Merge "Merge 4.9.320 into android-4.9-q" into android-4.9-q

This commit is contained in:
Treehugger Robot
2022-06-29 06:39:01 +00:00
100 changed files with 2994 additions and 2718 deletions

View File

@@ -3593,6 +3593,18 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
ramdisk_size= [RAM] Sizes of RAM disks in kilobytes
See Documentation/blockdev/ramdisk.txt.
random.trust_cpu={on,off}
[KNL] Enable or disable trusting the use of the
CPU's random number generator (if available) to
fully seed the kernel's CRNG. Default is controlled
by CONFIG_RANDOM_TRUST_CPU.
random.trust_bootloader={on,off}
[KNL] Enable or disable trusting the use of a
seed passed by the bootloader (if available) to
fully seed the kernel's CRNG. Default is controlled
by CONFIG_RANDOM_TRUST_BOOTLOADER.
rcu_nocbs= [KNL]
The argument is a cpu list, as described above.

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@@ -779,9 +779,40 @@ The kernel command line parameter printk.devkmsg= overrides this and is
a one-time setting until next reboot: once set, it cannot be changed by
this sysctl interface anymore.
==============================================================
pty
===
randomize_va_space:
See Documentation/filesystems/devpts.rst.
random
======
This is a directory, with the following entries:
* ``boot_id``: a UUID generated the first time this is retrieved, and
unvarying after that;
* ``uuid``: a UUID generated every time this is retrieved (this can
thus be used to generate UUIDs at will);
* ``entropy_avail``: the pool's entropy count, in bits;
* ``poolsize``: the entropy pool size, in bits;
* ``urandom_min_reseed_secs``: obsolete (used to determine the minimum
number of seconds between urandom pool reseeding). This file is
writable for compatibility purposes, but writing to it has no effect
on any RNG behavior;
* ``write_wakeup_threshold``: when the entropy count drops below this
(as a number of bits), processes waiting to write to ``/dev/random``
are woken up. This file is writable for compatibility purposes, but
writing to it has no effect on any RNG behavior.
randomize_va_space
==================
This option can be used to select the type of process address
space randomization that is used in the system, for architectures

View File

@@ -10079,6 +10079,7 @@ F: drivers/block/brd.c
RANDOM NUMBER DRIVER
M: "Theodore Ts'o" <tytso@mit.edu>
M: Jason A. Donenfeld <Jason@zx2c4.com>
S: Maintained
F: drivers/char/random.c

View File

@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
SUBLEVEL = 319
SUBLEVEL = 320
EXTRAVERSION =
NAME = Roaring Lionus

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@@ -27,5 +27,6 @@ static inline cycles_t get_cycles (void)
__asm__ __volatile__ ("rpcc %0" : "=r"(ret));
return ret;
}
#define get_cycles get_cycles
#endif

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@@ -14,5 +14,6 @@
typedef unsigned long cycles_t;
#define get_cycles() ({ cycles_t c; read_current_timer(&c) ? 0 : c; })
#define random_get_entropy() (((unsigned long)get_cycles()) ?: random_get_entropy_fallback())
#endif

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@@ -38,6 +38,7 @@ get_cycles (void)
ret = ia64_getreg(_IA64_REG_AR_ITC);
return ret;
}
#define get_cycles get_cycles
extern void ia64_cpu_local_tick (void);
extern unsigned long long ia64_native_sched_clock (void);

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@@ -34,7 +34,7 @@ static inline unsigned long random_get_entropy(void)
{
if (mach_random_get_entropy)
return mach_random_get_entropy();
return 0;
return random_get_entropy_fallback();
}
#define random_get_entropy random_get_entropy

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@@ -76,25 +76,24 @@ static inline cycles_t get_cycles(void)
else
return 0; /* no usable counter */
}
#define get_cycles get_cycles
/*
* Like get_cycles - but where c0_count is not available we desperately
* use c0_random in an attempt to get at least a little bit of entropy.
*
* R6000 and R6000A neither have a count register nor a random register.
* That leaves no entropy source in the CPU itself.
*/
static inline unsigned long random_get_entropy(void)
{
unsigned int prid = read_c0_prid();
unsigned int imp = prid & PRID_IMP_MASK;
unsigned int c0_random;
if (can_use_mips_counter(prid))
if (can_use_mips_counter(read_c0_prid()))
return read_c0_count();
else if (likely(imp != PRID_IMP_R6000 && imp != PRID_IMP_R6000A))
return read_c0_random();
if (cpu_has_3kex)
c0_random = (read_c0_random() >> 8) & 0x3f;
else
return 0; /* no usable register */
c0_random = read_c0_random() & 0x3f;
return (random_get_entropy_fallback() << 6) | (0x3f - c0_random);
}
#define random_get_entropy random_get_entropy

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@@ -20,5 +20,8 @@
typedef unsigned long cycles_t;
extern cycles_t get_cycles(void);
#define get_cycles get_cycles
#define random_get_entropy() (((unsigned long)get_cycles()) ?: random_get_entropy_fallback())
#endif

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@@ -11,9 +11,10 @@
typedef unsigned long cycles_t;
static inline cycles_t get_cycles (void)
static inline cycles_t get_cycles(void)
{
return mfctl(16);
}
#define get_cycles get_cycles
#endif

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@@ -5,27 +5,28 @@
#include <asm/machdep.h>
static inline int arch_get_random_long(unsigned long *v)
static inline bool arch_get_random_long(unsigned long *v)
{
return 0;
return false;
}
static inline int arch_get_random_int(unsigned int *v)
static inline bool arch_get_random_int(unsigned int *v)
{
return 0;
return false;
}
static inline int arch_get_random_seed_long(unsigned long *v)
static inline bool arch_get_random_seed_long(unsigned long *v)
{
if (ppc_md.get_random_seed)
return ppc_md.get_random_seed(v);
return 0;
return false;
}
static inline int arch_get_random_seed_int(unsigned int *v)
static inline bool arch_get_random_seed_int(unsigned int *v)
{
unsigned long val;
int rc;
bool rc;
rc = arch_get_random_seed_long(&val);
if (rc)
@@ -33,16 +34,6 @@ static inline int arch_get_random_seed_int(unsigned int *v)
return rc;
}
static inline int arch_has_random(void)
{
return 0;
}
static inline int arch_has_random_seed(void)
{
return !!ppc_md.get_random_seed;
}
#endif /* CONFIG_ARCH_RANDOM */
#ifdef CONFIG_PPC_POWERNV

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@@ -53,6 +53,7 @@ static inline cycles_t get_cycles(void)
return ret;
#endif
}
#define get_cycles get_cycles
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_TIMEX_H */

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@@ -168,6 +168,7 @@ static inline cycles_t get_cycles(void)
{
return (cycles_t) get_tod_clock() >> 2;
}
#define get_cycles get_cycles
int get_phys_clock(unsigned long long *clock);
void init_cpu_timer(void);

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@@ -595,7 +595,7 @@ void ptep_zap_key(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
PGSTE_GR_BIT | PGSTE_GC_BIT);
ptev = pte_val(*ptep);
if (!(ptev & _PAGE_INVALID) && (ptev & _PAGE_WRITE))
page_set_storage_key(ptev & PAGE_MASK, PAGE_DEFAULT_KEY, 1);
page_set_storage_key(ptev & PAGE_MASK, PAGE_DEFAULT_KEY, 0);
pgste_set_unlock(ptep, pgste);
preempt_enable();
}

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@@ -8,8 +8,6 @@
#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
/* XXX Maybe do something better at some point... -DaveM */
typedef unsigned long cycles_t;
#define get_cycles() (0)
#include <asm-generic/timex.h>
#endif

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@@ -1,13 +1,8 @@
#ifndef __UM_TIMEX_H
#define __UM_TIMEX_H
typedef unsigned long cycles_t;
static inline cycles_t get_cycles (void)
{
return 0;
}
#define CLOCK_TICK_RATE (HZ)
#include <asm-generic/timex.h>
#endif

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@@ -86,10 +86,6 @@ static inline bool rdseed_int(unsigned int *v)
return ok;
}
/* Conditional execution based on CPU type */
#define arch_has_random() static_cpu_has(X86_FEATURE_RDRAND)
#define arch_has_random_seed() static_cpu_has(X86_FEATURE_RDSEED)
/*
* These are the generic interfaces; they must not be declared if the
* stubs in <linux/random.h> are to be invoked,
@@ -99,22 +95,22 @@ static inline bool rdseed_int(unsigned int *v)
static inline bool arch_get_random_long(unsigned long *v)
{
return arch_has_random() ? rdrand_long(v) : false;
return static_cpu_has(X86_FEATURE_RDRAND) ? rdrand_long(v) : false;
}
static inline bool arch_get_random_int(unsigned int *v)
{
return arch_has_random() ? rdrand_int(v) : false;
return static_cpu_has(X86_FEATURE_RDRAND) ? rdrand_int(v) : false;
}
static inline bool arch_get_random_seed_long(unsigned long *v)
{
return arch_has_random_seed() ? rdseed_long(v) : false;
return static_cpu_has(X86_FEATURE_RDSEED) ? rdseed_long(v) : false;
}
static inline bool arch_get_random_seed_int(unsigned int *v)
{
return arch_has_random_seed() ? rdseed_int(v) : false;
return static_cpu_has(X86_FEATURE_RDSEED) ? rdseed_int(v) : false;
}
extern void x86_init_rdrand(struct cpuinfo_x86 *c);

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@@ -4,6 +4,15 @@
#include <asm/processor.h>
#include <asm/tsc.h>
static inline unsigned long random_get_entropy(void)
{
if (!IS_ENABLED(CONFIG_X86_TSC) &&
!cpu_feature_enabled(X86_FEATURE_TSC))
return random_get_entropy_fallback();
return rdtsc();
}
#define random_get_entropy random_get_entropy
/* Assume we use the PIT time source for the clock tick */
#define CLOCK_TICK_RATE PIT_TICK_RATE

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@@ -21,13 +21,12 @@ extern void disable_TSC(void);
static inline cycles_t get_cycles(void)
{
#ifndef CONFIG_X86_TSC
if (!boot_cpu_has(X86_FEATURE_TSC))
if (!IS_ENABLED(CONFIG_X86_TSC) &&
!cpu_feature_enabled(X86_FEATURE_TSC))
return 0;
#endif
return rdtsc();
}
#define get_cycles get_cycles
extern struct system_counterval_t convert_art_to_tsc(cycle_t art);

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@@ -30,10 +30,6 @@
extern unsigned long ccount_freq;
typedef unsigned long long cycles_t;
#define get_cycles() (0)
void local_timer_setup(unsigned cpu);
/*
@@ -69,4 +65,6 @@ static inline void set_linux_timer (unsigned long ccompare)
WSR_CCOMPARE(LINUX_TIMER, ccompare);
}
#include <asm-generic/timex.h>
#endif /* _XTENSA_TIMEX_H */

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@@ -219,6 +219,57 @@ static inline unsigned short drbg_sec_strength(drbg_flag_t flags)
}
}
/*
* FIPS 140-2 continuous self test for the noise source
* The test is performed on the noise source input data. Thus, the function
* implicitly knows the size of the buffer to be equal to the security
* strength.
*
* Note, this function disregards the nonce trailing the entropy data during
* initial seeding.
*
* drbg->drbg_mutex must have been taken.
*
* @drbg DRBG handle
* @entropy buffer of seed data to be checked
*
* return:
* 0 on success
* -EAGAIN on when the CTRNG is not yet primed
* < 0 on error
*/
static int drbg_fips_continuous_test(struct drbg_state *drbg,
const unsigned char *entropy)
{
unsigned short entropylen = drbg_sec_strength(drbg->core->flags);
int ret = 0;
if (!IS_ENABLED(CONFIG_CRYPTO_FIPS))
return 0;
/* skip test if we test the overall system */
if (list_empty(&drbg->test_data.list))
return 0;
/* only perform test in FIPS mode */
if (!fips_enabled)
return 0;
if (!drbg->fips_primed) {
/* Priming of FIPS test */
memcpy(drbg->prev, entropy, entropylen);
drbg->fips_primed = true;
/* priming: another round is needed */
return -EAGAIN;
}
ret = memcmp(drbg->prev, entropy, entropylen);
if (!ret)
panic("DRBG continuous self test failed\n");
memcpy(drbg->prev, entropy, entropylen);
/* the test shall pass when the two values are not equal */
return 0;
}
/*
* Convert an integer into a byte representation of this integer.
* The byte representation is big-endian
@@ -986,55 +1037,79 @@ static const struct drbg_state_ops drbg_hash_ops = {
******************************************************************/
static inline int __drbg_seed(struct drbg_state *drbg, struct list_head *seed,
int reseed)
int reseed, enum drbg_seed_state new_seed_state)
{
int ret = drbg->d_ops->update(drbg, seed, reseed);
if (ret)
return ret;
drbg->seeded = true;
drbg->seeded = new_seed_state;
/* 10.1.1.2 / 10.1.1.3 step 5 */
drbg->reseed_ctr = 1;
switch (drbg->seeded) {
case DRBG_SEED_STATE_UNSEEDED:
/* Impossible, but handle it to silence compiler warnings. */
case DRBG_SEED_STATE_PARTIAL:
/*
* Require frequent reseeds until the seed source is
* fully initialized.
*/
drbg->reseed_threshold = 50;
break;
case DRBG_SEED_STATE_FULL:
/*
* Seed source has become fully initialized, frequent
* reseeds no longer required.
*/
drbg->reseed_threshold = drbg_max_requests(drbg);
break;
}
return ret;
}
static void drbg_async_seed(struct work_struct *work)
static inline int drbg_get_random_bytes(struct drbg_state *drbg,
unsigned char *entropy,
unsigned int entropylen)
{
int ret;
do {
get_random_bytes(entropy, entropylen);
ret = drbg_fips_continuous_test(drbg, entropy);
if (ret && ret != -EAGAIN)
return ret;
} while (ret);
return 0;
}
static int drbg_seed_from_random(struct drbg_state *drbg)
{
struct drbg_string data;
LIST_HEAD(seedlist);
struct drbg_state *drbg = container_of(work, struct drbg_state,
seed_work);
unsigned int entropylen = drbg_sec_strength(drbg->core->flags);
unsigned char entropy[32];
int ret;
BUG_ON(!entropylen);
BUG_ON(entropylen > sizeof(entropy));
get_random_bytes(entropy, entropylen);
drbg_string_fill(&data, entropy, entropylen);
list_add_tail(&data.list, &seedlist);
mutex_lock(&drbg->drbg_mutex);
ret = drbg_get_random_bytes(drbg, entropy, entropylen);
if (ret)
goto out;
/* If nonblocking pool is initialized, deactivate Jitter RNG */
crypto_free_rng(drbg->jent);
drbg->jent = NULL;
/* Set seeded to false so that if __drbg_seed fails the
* next generate call will trigger a reseed.
*/
drbg->seeded = false;
__drbg_seed(drbg, &seedlist, true);
if (drbg->seeded)
drbg->reseed_threshold = drbg_max_requests(drbg);
mutex_unlock(&drbg->drbg_mutex);
ret = __drbg_seed(drbg, &seedlist, true, DRBG_SEED_STATE_FULL);
out:
memzero_explicit(entropy, entropylen);
return ret;
}
/*
@@ -1056,6 +1131,7 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
unsigned int entropylen = drbg_sec_strength(drbg->core->flags);
struct drbg_string data1;
LIST_HEAD(seedlist);
enum drbg_seed_state new_seed_state = DRBG_SEED_STATE_FULL;
/* 9.1 / 9.2 / 9.3.1 step 3 */
if (pers && pers->len > (drbg_max_addtl(drbg))) {
@@ -1083,7 +1159,12 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
BUG_ON((entropylen * 2) > sizeof(entropy));
/* Get seed from in-kernel /dev/urandom */
get_random_bytes(entropy, entropylen);
if (!rng_is_initialized())
new_seed_state = DRBG_SEED_STATE_PARTIAL;
ret = drbg_get_random_bytes(drbg, entropy, entropylen);
if (ret)
goto out;
if (!drbg->jent) {
drbg_string_fill(&data1, entropy, entropylen);
@@ -1096,7 +1177,23 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
entropylen);
if (ret) {
pr_devel("DRBG: jent failed with %d\n", ret);
return ret;
/*
* Do not treat the transient failure of the
* Jitter RNG as an error that needs to be
* reported. The combined number of the
* maximum reseed threshold times the maximum
* number of Jitter RNG transient errors is
* less than the reseed threshold required by
* SP800-90A allowing us to treat the
* transient errors as such.
*
* However, we mandate that at least the first
* seeding operation must succeed with the
* Jitter RNG.
*/
if (!reseed || ret != -EAGAIN)
goto out;
}
drbg_string_fill(&data1, entropy, entropylen * 2);
@@ -1121,8 +1218,9 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
memset(drbg->C, 0, drbg_statelen(drbg));
}
ret = __drbg_seed(drbg, &seedlist, reseed);
ret = __drbg_seed(drbg, &seedlist, reseed, new_seed_state);
out:
memzero_explicit(entropy, entropylen * 2);
return ret;
@@ -1144,6 +1242,11 @@ static inline void drbg_dealloc_state(struct drbg_state *drbg)
drbg->reseed_ctr = 0;
drbg->d_ops = NULL;
drbg->core = NULL;
if (IS_ENABLED(CONFIG_CRYPTO_FIPS)) {
kzfree(drbg->prev);
drbg->prev = NULL;
drbg->fips_primed = false;
}
}
/*
@@ -1213,6 +1316,14 @@ static inline int drbg_alloc_state(struct drbg_state *drbg)
drbg->scratchpad = PTR_ALIGN(drbg->scratchpadbuf, ret + 1);
}
if (IS_ENABLED(CONFIG_CRYPTO_FIPS)) {
drbg->prev = kzalloc(drbg_sec_strength(drbg->core->flags),
GFP_KERNEL);
if (!drbg->prev)
goto fini;
drbg->fips_primed = false;
}
return 0;
fini:
@@ -1285,19 +1396,25 @@ static int drbg_generate(struct drbg_state *drbg,
* here. The spec is a bit convoluted here, we make it simpler.
*/
if (drbg->reseed_threshold < drbg->reseed_ctr)
drbg->seeded = false;
drbg->seeded = DRBG_SEED_STATE_UNSEEDED;
if (drbg->pr || !drbg->seeded) {
if (drbg->pr || drbg->seeded == DRBG_SEED_STATE_UNSEEDED) {
pr_devel("DRBG: reseeding before generation (prediction "
"resistance: %s, state %s)\n",
drbg->pr ? "true" : "false",
drbg->seeded ? "seeded" : "unseeded");
(drbg->seeded == DRBG_SEED_STATE_FULL ?
"seeded" : "unseeded"));
/* 9.3.1 steps 7.1 through 7.3 */
len = drbg_seed(drbg, addtl, true);
if (len)
goto err;
/* 9.3.1 step 7.4 */
addtl = NULL;
} else if (rng_is_initialized() &&
drbg->seeded == DRBG_SEED_STATE_PARTIAL) {
len = drbg_seed_from_random(drbg);
if (len)
goto err;
}
if (addtl && 0 < addtl->len)
@@ -1390,51 +1507,15 @@ static int drbg_generate_long(struct drbg_state *drbg,
return 0;
}
static void drbg_schedule_async_seed(struct random_ready_callback *rdy)
{
struct drbg_state *drbg = container_of(rdy, struct drbg_state,
random_ready);
schedule_work(&drbg->seed_work);
}
static int drbg_prepare_hrng(struct drbg_state *drbg)
{
int err;
/* We do not need an HRNG in test mode. */
if (list_empty(&drbg->test_data.list))
return 0;
INIT_WORK(&drbg->seed_work, drbg_async_seed);
drbg->random_ready.owner = THIS_MODULE;
drbg->random_ready.func = drbg_schedule_async_seed;
err = add_random_ready_callback(&drbg->random_ready);
switch (err) {
case 0:
break;
case -EALREADY:
err = 0;
/* fall through */
default:
drbg->random_ready.func = NULL;
return err;
}
drbg->jent = crypto_alloc_rng("jitterentropy_rng", 0, 0);
/*
* Require frequent reseeds until the seed source is fully
* initialized.
*/
drbg->reseed_threshold = 50;
return err;
return 0;
}
/*
@@ -1477,7 +1558,7 @@ static int drbg_instantiate(struct drbg_state *drbg, struct drbg_string *pers,
if (!drbg->core) {
drbg->core = &drbg_cores[coreref];
drbg->pr = pr;
drbg->seeded = false;
drbg->seeded = DRBG_SEED_STATE_UNSEEDED;
drbg->reseed_threshold = drbg_max_requests(drbg);
ret = drbg_alloc_state(drbg);
@@ -1528,12 +1609,9 @@ free_everything:
*/
static int drbg_uninstantiate(struct drbg_state *drbg)
{
if (drbg->random_ready.func) {
del_random_ready_callback(&drbg->random_ready);
cancel_work_sync(&drbg->seed_work);
if (!IS_ERR_OR_NULL(drbg->jent))
crypto_free_rng(drbg->jent);
drbg->jent = NULL;
}
drbg->jent = NULL;
if (drbg->d_ops)
drbg->d_ops->crypto_fini(drbg);

View File

@@ -64,23 +64,6 @@ static inline u32 H(u32 x, u32 y, u32 z)
#define ROUND2(a,b,c,d,k,s) (a = lshift(a + G(b,c,d) + k + (u32)0x5A827999,s))
#define ROUND3(a,b,c,d,k,s) (a = lshift(a + H(b,c,d) + k + (u32)0x6ED9EBA1,s))
/* XXX: this stuff can be optimized */
static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
{
while (words--) {
__le32_to_cpus(buf);
buf++;
}
}
static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
{
while (words--) {
__cpu_to_le32s(buf);
buf++;
}
}
static void md4_transform(u32 *hash, u32 const *in)
{
u32 a, b, c, d;

View File

@@ -30,23 +30,6 @@ const u8 md5_zero_message_hash[MD5_DIGEST_SIZE] = {
};
EXPORT_SYMBOL_GPL(md5_zero_message_hash);
/* XXX: this stuff can be optimized */
static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
{
while (words--) {
__le32_to_cpus(buf);
buf++;
}
}
static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
{
while (words--) {
__cpu_to_le32s(buf);
buf++;
}
}
static inline void md5_transform_helper(struct md5_state *ctx)
{
le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32));

View File

@@ -6051,7 +6051,7 @@ struct ata_host *ata_host_alloc_pinfo(struct device *dev,
const struct ata_port_info * const * ppi,
int n_ports)
{
const struct ata_port_info *pi;
const struct ata_port_info *pi = &ata_dummy_port_info;
struct ata_host *host;
int i, j;
@@ -6059,7 +6059,7 @@ struct ata_host *ata_host_alloc_pinfo(struct device *dev,
if (!host)
return NULL;
for (i = 0, j = 0, pi = NULL; i < host->n_ports; i++) {
for (i = 0, j = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
if (ppi[j])

View File

@@ -593,5 +593,41 @@ config TILE_SROM
source "drivers/char/xillybus/Kconfig"
endmenu
config RANDOM_TRUST_CPU
bool "Initialize RNG using CPU RNG instructions"
default y
depends on ARCH_RANDOM
help
Initialize the RNG using random numbers supplied by the CPU's
RNG instructions (e.g. RDRAND), if supported and available. These
random numbers are never used directly, but are rather hashed into
the main input pool, and this happens regardless of whether or not
this option is enabled. Instead, this option controls whether the
they are credited and hence can initialize the RNG. Additionally,
other sources of randomness are always used, regardless of this
setting. Enabling this implies trusting that the CPU can supply high
quality and non-backdoored random numbers.
Say Y here unless you have reason to mistrust your CPU or believe
its RNG facilities may be faulty. This may also be configured at
boot time with "random.trust_cpu=on/off".
config RANDOM_TRUST_BOOTLOADER
bool "Initialize RNG using bootloader-supplied seed"
default y
help
Initialize the RNG using a seed supplied by the bootloader or boot
environment (e.g. EFI or a bootloader-generated device tree). This
seed is not used directly, but is rather hashed into the main input
pool, and this happens regardless of whether or not this option is
enabled. Instead, this option controls whether the seed is credited
and hence can initialize the RNG. Additionally, other sources of
randomness are always used, regardless of this setting. Enabling
this implies trusting that the bootloader can supply high quality and
non-backdoored seeds.
Say Y here unless you have reason to mistrust your bootloader or
believe its RNG facilities may be faulty. This may also be configured
at boot time with "random.trust_bootloader=on/off".
endmenu

View File

@@ -1,38 +1,18 @@
/*
Added support for the AMD Geode LX RNG
(c) Copyright 2004-2005 Advanced Micro Devices, Inc.
derived from
Hardware driver for the Intel/AMD/VIA Random Number Generators (RNG)
(c) Copyright 2003 Red Hat Inc <jgarzik@redhat.com>
derived from
Hardware driver for the AMD 768 Random Number Generator (RNG)
(c) Copyright 2001 Red Hat Inc <alan@redhat.com>
derived from
Hardware driver for Intel i810 Random Number Generator (RNG)
Copyright 2000,2001 Jeff Garzik <jgarzik@pobox.com>
Copyright 2000,2001 Philipp Rumpf <prumpf@mandrakesoft.com>
Added generic RNG API
Copyright 2006 Michael Buesch <m@bues.ch>
Copyright 2005 (c) MontaVista Software, Inc.
Please read Documentation/hw_random.txt for details on use.
----------------------------------------------------------
This software may be used and distributed according to the terms
of the GNU General Public License, incorporated herein by reference.
* hw_random/core.c: HWRNG core API
*
* Copyright 2006 Michael Buesch <m@bues.ch>
* Copyright 2005 (c) MontaVista Software, Inc.
*
* Please read Documentation/hw_random.txt for details on use.
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*/
#include <linux/device.h>
#include <linux/hw_random.h>
#include <linux/random.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/fs.h>
@@ -45,14 +25,13 @@
#include <linux/err.h>
#include <asm/uaccess.h>
#define RNG_MODULE_NAME "hw_random"
#define PFX RNG_MODULE_NAME ": "
#define RNG_MISCDEV_MINOR 183 /* official */
static struct hwrng *current_rng;
/* the current rng has been explicitly chosen by user via sysfs */
static int cur_rng_set_by_user;
static struct task_struct *hwrng_fill;
/* list of registered rngs, sorted decending by quality */
static LIST_HEAD(rng_list);
/* Protects rng_list and current_rng */
static DEFINE_MUTEX(rng_mutex);
@@ -296,7 +275,6 @@ out_put:
goto out;
}
static const struct file_operations rng_chrdev_ops = {
.owner = THIS_MODULE,
.open = rng_dev_open,
@@ -307,14 +285,13 @@ static const struct file_operations rng_chrdev_ops = {
static const struct attribute_group *rng_dev_groups[];
static struct miscdevice rng_miscdev = {
.minor = RNG_MISCDEV_MINOR,
.minor = HWRNG_MINOR,
.name = RNG_MODULE_NAME,
.nodename = "hwrng",
.fops = &rng_chrdev_ops,
.groups = rng_dev_groups,
};
static ssize_t hwrng_attr_current_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
@@ -329,6 +306,7 @@ static ssize_t hwrng_attr_current_store(struct device *dev,
list_for_each_entry(rng, &rng_list, list) {
if (sysfs_streq(rng->name, buf)) {
err = 0;
cur_rng_set_by_user = 1;
if (rng != current_rng)
err = set_current_rng(rng);
break;
@@ -377,16 +355,27 @@ static ssize_t hwrng_attr_available_show(struct device *dev,
return strlen(buf);
}
static ssize_t hwrng_attr_selected_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", cur_rng_set_by_user);
}
static DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR,
hwrng_attr_current_show,
hwrng_attr_current_store);
static DEVICE_ATTR(rng_available, S_IRUGO,
hwrng_attr_available_show,
NULL);
static DEVICE_ATTR(rng_selected, S_IRUGO,
hwrng_attr_selected_show,
NULL);
static struct attribute *rng_dev_attrs[] = {
&dev_attr_rng_current.attr,
&dev_attr_rng_available.attr,
&dev_attr_rng_selected.attr,
NULL
};
@@ -443,9 +432,9 @@ int hwrng_register(struct hwrng *rng)
{
int err = -EINVAL;
struct hwrng *old_rng, *tmp;
struct list_head *rng_list_ptr;
if (rng->name == NULL ||
(rng->data_read == NULL && rng->read == NULL))
if (!rng->name || (!rng->data_read && !rng->read))
goto out;
mutex_lock(&rng_mutex);
@@ -459,14 +448,27 @@ int hwrng_register(struct hwrng *rng)
init_completion(&rng->cleanup_done);
complete(&rng->cleanup_done);
/* rng_list is sorted by decreasing quality */
list_for_each(rng_list_ptr, &rng_list) {
tmp = list_entry(rng_list_ptr, struct hwrng, list);
if (tmp->quality < rng->quality)
break;
}
list_add_tail(&rng->list, rng_list_ptr);
old_rng = current_rng;
err = 0;
if (!old_rng) {
if (!old_rng ||
(!cur_rng_set_by_user && rng->quality > old_rng->quality)) {
/*
* Set new rng as current as the new rng source
* provides better entropy quality and was not
* chosen by userspace.
*/
err = set_current_rng(rng);
if (err)
goto out_unlock;
}
list_add_tail(&rng->list, &rng_list);
if (old_rng && !rng->init) {
/*
@@ -493,12 +495,13 @@ void hwrng_unregister(struct hwrng *rng)
list_del(&rng->list);
if (current_rng == rng) {
drop_current_rng();
cur_rng_set_by_user = 0;
/* rng_list is sorted by quality, use the best (=first) one */
if (!list_empty(&rng_list)) {
struct hwrng *tail;
struct hwrng *new_rng;
tail = list_entry(rng_list.prev, struct hwrng, list);
set_current_rng(tail);
new_rng = list_entry(rng_list.next, struct hwrng, list);
set_current_rng(new_rng);
}
}

File diff suppressed because it is too large Load Diff

View File

@@ -828,7 +828,7 @@ static void vmbus_isr(void)
tasklet_schedule(hv_context.msg_dpc[cpu]);
}
add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR, 0);
add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR);
}

View File

@@ -56,6 +56,7 @@ realview_gic_of_init(struct device_node *node, struct device_node *parent)
/* The PB11MPCore GIC needs to be configured in the syscon */
map = syscon_node_to_regmap(np);
of_node_put(np);
if (!IS_ERR(map)) {
/* new irq mode with no DCC */
regmap_write(map, REALVIEW_SYS_LOCK_OFFSET,

View File

@@ -982,7 +982,7 @@ static int get_cpu_number(struct device_node *dn)
{
const __be32 *cell;
u64 hwid;
int i;
int cpu;
cell = of_get_property(dn, "reg", NULL);
if (!cell)
@@ -996,9 +996,9 @@ static int get_cpu_number(struct device_node *dn)
if (hwid & ~MPIDR_HWID_BITMASK)
return -1;
for (i = 0; i < num_possible_cpus(); i++)
if (cpu_logical_map(i) == hwid)
return i;
for_each_possible_cpu(cpu)
if (cpu_logical_map(cpu) == hwid)
return cpu;
return -1;
}

View File

@@ -190,9 +190,9 @@ static int ssc_probe(struct platform_device *pdev)
clk_disable_unprepare(ssc->clk);
ssc->irq = platform_get_irq(pdev, 0);
if (!ssc->irq) {
if (ssc->irq < 0) {
dev_dbg(&pdev->dev, "could not get irq\n");
return -ENXIO;
return ssc->irq;
}
mutex_lock(&user_lock);

View File

@@ -527,6 +527,17 @@ static inline void mtk_rx_get_desc(struct mtk_rx_dma *rxd,
rxd->rxd4 = READ_ONCE(dma_rxd->rxd4);
}
static void *mtk_max_lro_buf_alloc(gfp_t gfp_mask)
{
unsigned int size = mtk_max_frag_size(MTK_MAX_LRO_RX_LENGTH);
unsigned long data;
data = __get_free_pages(gfp_mask | __GFP_COMP | __GFP_NOWARN,
get_order(size));
return (void *)data;
}
/* the qdma core needs scratch memory to be setup */
static int mtk_init_fq_dma(struct mtk_eth *eth)
{
@@ -928,7 +939,10 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
goto release_desc;
/* alloc new buffer */
new_data = napi_alloc_frag(ring->frag_size);
if (ring->frag_size <= PAGE_SIZE)
new_data = napi_alloc_frag(ring->frag_size);
else
new_data = mtk_max_lro_buf_alloc(GFP_ATOMIC);
if (unlikely(!new_data)) {
netdev->stats.rx_dropped++;
goto release_desc;
@@ -1231,7 +1245,10 @@ static int mtk_rx_alloc(struct mtk_eth *eth, int ring_no, int rx_flag)
return -ENOMEM;
for (i = 0; i < rx_dma_size; i++) {
ring->data[i] = netdev_alloc_frag(ring->frag_size);
if (ring->frag_size <= PAGE_SIZE)
ring->data[i] = netdev_alloc_frag(ring->frag_size);
else
ring->data[i] = mtk_max_lro_buf_alloc(GFP_KERNEL);
if (!ring->data[i])
return -ENOMEM;
}

View File

@@ -401,13 +401,25 @@ static void nfcmrvl_play_deferred(struct nfcmrvl_usb_drv_data *drv_data)
int err;
while ((urb = usb_get_from_anchor(&drv_data->deferred))) {
usb_anchor_urb(urb, &drv_data->tx_anchor);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)
if (err) {
kfree(urb->setup_packet);
usb_unanchor_urb(urb);
usb_free_urb(urb);
break;
}
drv_data->tx_in_flight++;
usb_free_urb(urb);
}
/* Cleanup the rest deferred urbs. */
while ((urb = usb_get_from_anchor(&drv_data->deferred))) {
kfree(urb->setup_packet);
usb_free_urb(urb);
}
usb_scuttle_anchored_urbs(&drv_data->deferred);
}
static int nfcmrvl_resume(struct usb_interface *intf)

View File

@@ -27,6 +27,7 @@
#include <linux/debugfs.h>
#include <linux/serial_core.h>
#include <linux/sysfs.h>
#include <linux/random.h>
#include <asm/setup.h> /* for COMMAND_LINE_SIZE */
#include <asm/page.h>
@@ -1092,6 +1093,7 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
int l = 0;
const char *p = NULL;
char *cmdline = data;
const void *rng_seed;
pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
@@ -1126,6 +1128,14 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
pr_debug("Command line is: %s\n", (char*)data);
rng_seed = of_get_flat_dt_prop(node, "rng-seed", &l);
if (rng_seed && l > 0) {
add_bootloader_randomness(rng_seed, l);
/* try to clear seed so it won't be found. */
fdt_nop_property(initial_boot_params, node, "rng-seed");
}
/* break now */
return 1;
}
@@ -1227,8 +1237,6 @@ bool __init early_init_dt_verify(void *params)
/* Setup flat device-tree pointer */
initial_boot_params = params;
of_fdt_crc32 = crc32_be(~0, initial_boot_params,
fdt_totalsize(initial_boot_params));
return true;
}
@@ -1254,6 +1262,8 @@ bool __init early_init_dt_scan(void *params)
return false;
early_init_dt_scan_nodes();
of_fdt_crc32 = crc32_be(~0, initial_boot_params,
fdt_totalsize(initial_boot_params));
return true;
}

View File

@@ -633,7 +633,8 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
else
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
if (ndlp->nlp_DID == Fabric_DID) {
if (vport->port_state <= LPFC_FDISC)
if (vport->port_state <= LPFC_FDISC ||
vport->fc_flag & FC_PT2PT)
goto out;
lpfc_linkdown_port(vport);
spin_lock_irq(shost->host_lock);

View File

@@ -333,8 +333,8 @@ struct PVSCSIRingReqDesc {
u8 tag;
u8 bus;
u8 target;
u8 vcpuHint;
u8 unused[59];
u16 vcpuHint;
u8 unused[58];
} __packed;
/*

View File

@@ -694,7 +694,7 @@ static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev)
if (!devpriv->usb_rx_buf)
return -ENOMEM;
size = max(usb_endpoint_maxp(devpriv->ep_rx), MIN_BUF_SIZE);
size = max(usb_endpoint_maxp(devpriv->ep_tx), MIN_BUF_SIZE);
devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL);
if (!devpriv->usb_tx_buf)
return -ENOMEM;

View File

@@ -1473,6 +1473,8 @@ static inline void __stop_tx(struct uart_8250_port *p)
if (em485) {
unsigned char lsr = serial_in(p, UART_LSR);
p->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS;
/*
* To provide required timeing and allow FIFO transfer,
* __stop_tx_rs485() must be called only when both FIFO and

View File

@@ -3034,6 +3034,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
}
udc->isp1301_i2c_client = isp1301_get_client(isp1301_node);
of_node_put(isp1301_node);
if (!udc->isp1301_i2c_client) {
retval = -EPROBE_DEFER;
goto phy_fail;

View File

@@ -172,6 +172,7 @@ static const struct usb_device_id edgeport_2port_id_table[] = {
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_E5805A) },
{ }
};
@@ -210,6 +211,7 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_E5805A) },
{ }
};

View File

@@ -215,6 +215,7 @@
//
// Definitions for other product IDs
#define ION_DEVICE_ID_MT4X56USB 0x1403 // OEM device
#define ION_DEVICE_ID_E5805A 0x1A01 // OEM device (rebranded Edgeport/4)
#define GENERATION_ID_FROM_USB_PRODUCT_ID(ProductId) \

View File

@@ -430,6 +430,8 @@ static void option_instat_callback(struct urb *urb);
#define CINTERION_PRODUCT_CLS8 0x00b0
#define CINTERION_PRODUCT_MV31_MBIM 0x00b3
#define CINTERION_PRODUCT_MV31_RMNET 0x00b7
#define CINTERION_PRODUCT_MV31_2_MBIM 0x00b8
#define CINTERION_PRODUCT_MV31_2_RMNET 0x00b9
#define CINTERION_PRODUCT_MV32_WA 0x00f1
#define CINTERION_PRODUCT_MV32_WB 0x00f2
@@ -1953,6 +1955,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3)},
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV31_RMNET, 0xff),
.driver_info = RSVD(0)},
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV31_2_MBIM, 0xff),
.driver_info = RSVD(3)},
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV31_2_RMNET, 0xff),
.driver_info = RSVD(0)},
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV32_WA, 0xff),
.driver_info = RSVD(3)},
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV32_WB, 0xff),

View File

@@ -630,6 +630,7 @@ static int vm_cmdline_set(const char *device,
if (!vm_cmdline_parent_registered) {
err = device_register(&vm_cmdline_parent);
if (err) {
put_device(&vm_cmdline_parent);
pr_err("Failed to register parent device!\n");
return err;
}

View File

@@ -656,14 +656,10 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,
if (stat->st_result_mask & P9_STATS_NLINK)
set_nlink(inode, stat->st_nlink);
if (stat->st_result_mask & P9_STATS_MODE) {
inode->i_mode = stat->st_mode;
if ((S_ISBLK(inode->i_mode)) ||
(S_ISCHR(inode->i_mode)))
init_special_inode(inode, inode->i_mode,
inode->i_rdev);
mode = stat->st_mode & S_IALLUGO;
mode |= inode->i_mode & ~S_IALLUGO;
inode->i_mode = mode;
}
if (stat->st_result_mask & P9_STATS_RDEV)
inode->i_rdev = new_decode_dev(stat->st_rdev);
if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE) &&
stat->st_result_mask & P9_STATS_SIZE)
v9fs_i_size_write(inode, stat->st_size);

View File

@@ -3143,6 +3143,15 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
size = size >> bsbits;
start = start_off >> bsbits;
/*
* For tiny groups (smaller than 8MB) the chosen allocation
* alignment may be larger than group size. Make sure the
* alignment does not move allocation to a different group which
* makes mballoc fail assertions later.
*/
start = max(start, rounddown(ac->ac_o_ex.fe_logical,
(ext4_lblk_t)EXT4_BLOCKS_PER_GROUP(ac->ac_sb)));
/* don't cover already allocated blocks in selected range */
if (ar->pleft && start <= ar->lleft) {
size -= ar->lleft + 1 - start;

View File

@@ -1697,7 +1697,8 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
struct dx_hash_info *hinfo)
{
unsigned blocksize = dir->i_sb->s_blocksize;
unsigned count, continued;
unsigned continued;
int count;
struct buffer_head *bh2;
ext4_lblk_t newblock;
u32 hash2;

View File

@@ -51,6 +51,16 @@ int ext4_resize_begin(struct super_block *sb)
if (!capable(CAP_SYS_RESOURCE))
return -EPERM;
/*
* If the reserved GDT blocks is non-zero, the resize_inode feature
* should always be set.
*/
if (EXT4_SB(sb)->s_es->s_reserved_gdt_blocks &&
!ext4_has_feature_resize_inode(sb)) {
ext4_error(sb, "resize_inode disabled but reserved GDT blocks non-zero");
return -EFSCORRUPTED;
}
/*
* If we are not using the primary superblock/GDT copy don't resize,
* because the user tools have no way of handling this. Probably a

View File

@@ -996,7 +996,17 @@ static int fuse_copy_page(struct fuse_copy_state *cs, struct page **pagep,
while (count) {
if (cs->write && cs->pipebufs && page) {
return fuse_ref_page(cs, page, offset, count);
/*
* Can't control lifetime of pipe buffers, so always
* copy user pages.
*/
if (cs->req->user_pages) {
err = fuse_copy_fill(cs);
if (err)
return err;
} else {
return fuse_ref_page(cs, page, offset, count);
}
} else if (!cs->len) {
if (cs->move_pages && page &&
offset == 0 && count == PAGE_SIZE) {

View File

@@ -1319,6 +1319,7 @@ static int fuse_get_user_pages(struct fuse_req *req, struct iov_iter *ii,
(PAGE_SIZE - ret) & (PAGE_SIZE - 1);
}
req->user_pages = true;
if (write)
req->in.argpages = 1;
else

View File

@@ -310,6 +310,8 @@ struct fuse_req {
/** refcount */
atomic_t count;
bool user_pages;
/** Unique ID for the interrupt request */
u64 intr_unique;

View File

@@ -1753,6 +1753,12 @@ lookup_again:
/* Fallthrough */
case -EAGAIN:
break;
case -ENODATA:
/* The server returned NFS4ERR_LAYOUTUNAVAILABLE */
pnfs_layout_set_fail_bit(
lo, pnfs_iomode_to_fail_bit(iomode));
lseg = NULL;
goto out_put_layout_hdr;
default:
if (!nfs_error_is_fatal(PTR_ERR(lseg))) {
pnfs_layout_clear_fail_bit(lo, pnfs_iomode_to_fail_bit(iomode));

102
include/crypto/blake2s.h Normal file
View File

@@ -0,0 +1,102 @@
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/*
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#ifndef _CRYPTO_BLAKE2S_H
#define _CRYPTO_BLAKE2S_H
#include <linux/bug.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
enum blake2s_lengths {
BLAKE2S_BLOCK_SIZE = 64,
BLAKE2S_HASH_SIZE = 32,
BLAKE2S_KEY_SIZE = 32,
BLAKE2S_128_HASH_SIZE = 16,
BLAKE2S_160_HASH_SIZE = 20,
BLAKE2S_224_HASH_SIZE = 28,
BLAKE2S_256_HASH_SIZE = 32,
};
struct blake2s_state {
u32 h[8];
u32 t[2];
u32 f[2];
u8 buf[BLAKE2S_BLOCK_SIZE];
unsigned int buflen;
unsigned int outlen;
};
enum blake2s_iv {
BLAKE2S_IV0 = 0x6A09E667UL,
BLAKE2S_IV1 = 0xBB67AE85UL,
BLAKE2S_IV2 = 0x3C6EF372UL,
BLAKE2S_IV3 = 0xA54FF53AUL,
BLAKE2S_IV4 = 0x510E527FUL,
BLAKE2S_IV5 = 0x9B05688CUL,
BLAKE2S_IV6 = 0x1F83D9ABUL,
BLAKE2S_IV7 = 0x5BE0CD19UL,
};
void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen);
void blake2s_final(struct blake2s_state *state, u8 *out);
static inline void blake2s_init_param(struct blake2s_state *state,
const u32 param)
{
*state = (struct blake2s_state){{
BLAKE2S_IV0 ^ param,
BLAKE2S_IV1,
BLAKE2S_IV2,
BLAKE2S_IV3,
BLAKE2S_IV4,
BLAKE2S_IV5,
BLAKE2S_IV6,
BLAKE2S_IV7,
}};
}
static inline void blake2s_init(struct blake2s_state *state,
const size_t outlen)
{
blake2s_init_param(state, 0x01010000 | outlen);
state->outlen = outlen;
}
static inline void blake2s_init_key(struct blake2s_state *state,
const size_t outlen, const void *key,
const size_t keylen)
{
WARN_ON(IS_ENABLED(DEBUG) && (!outlen || outlen > BLAKE2S_HASH_SIZE ||
!key || !keylen || keylen > BLAKE2S_KEY_SIZE));
blake2s_init_param(state, 0x01010000 | keylen << 8 | outlen);
memcpy(state->buf, key, keylen);
state->buflen = BLAKE2S_BLOCK_SIZE;
state->outlen = outlen;
}
static inline void blake2s(u8 *out, const u8 *in, const u8 *key,
const size_t outlen, const size_t inlen,
const size_t keylen)
{
struct blake2s_state state;
WARN_ON(IS_ENABLED(DEBUG) && ((!in && inlen > 0) || !out || !outlen ||
outlen > BLAKE2S_HASH_SIZE || keylen > BLAKE2S_KEY_SIZE ||
(!key && keylen)));
if (keylen)
blake2s_init_key(&state, outlen, key, keylen);
else
blake2s_init(&state, outlen);
blake2s_update(&state, in, inlen);
blake2s_final(&state, out);
}
#endif /* _CRYPTO_BLAKE2S_H */

View File

@@ -22,7 +22,9 @@
#define CHACHA_IV_SIZE 16
#define CHACHA_KEY_SIZE 32
#define CHACHA20_KEY_SIZE 32
#define CHACHA_BLOCK_SIZE 64
#define CHACHA20_BLOCK_SIZE 64
/* 192-bit nonce, then 64-bit stream position */
#define XCHACHA_IV_SIZE 32
@@ -51,4 +53,19 @@ int crypto_chacha_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
int crypto_xchacha_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
struct scatterlist *src, unsigned int nbytes);
enum chacha_constants { /* expand 32-byte k */
CHACHA_CONSTANT_EXPA = 0x61707865U,
CHACHA_CONSTANT_ND_3 = 0x3320646eU,
CHACHA_CONSTANT_2_BY = 0x79622d32U,
CHACHA_CONSTANT_TE_K = 0x6b206574U
};
static inline void chacha_init_consts(u32 *state)
{
state[0] = CHACHA_CONSTANT_EXPA;
state[1] = CHACHA_CONSTANT_ND_3;
state[2] = CHACHA_CONSTANT_2_BY;
state[3] = CHACHA_CONSTANT_TE_K;
}
#endif /* _CRYPTO_CHACHA_H */

View File

@@ -105,6 +105,12 @@ struct drbg_test_data {
struct drbg_string *testentropy; /* TEST PARAMETER: test entropy */
};
enum drbg_seed_state {
DRBG_SEED_STATE_UNSEEDED,
DRBG_SEED_STATE_PARTIAL, /* Seeded with !rng_is_initialized() */
DRBG_SEED_STATE_FULL,
};
struct drbg_state {
struct mutex drbg_mutex; /* lock around DRBG */
unsigned char *V; /* internal state 10.1.1.1 1a) */
@@ -129,14 +135,14 @@ struct drbg_state {
struct completion ctr_completion; /* CTR mode async handler */
int ctr_async_err; /* CTR mode async error */
bool seeded; /* DRBG fully seeded? */
enum drbg_seed_state seeded; /* DRBG fully seeded? */
bool pr; /* Prediction resistance enabled? */
struct work_struct seed_work; /* asynchronous seeding support */
bool fips_primed; /* Continuous test primed? */
unsigned char *prev; /* FIPS 140-2 continuous test value */
struct crypto_rng *jent;
const struct drbg_state_ops *d_ops;
const struct drbg_core *core;
struct drbg_string test_data;
struct random_ready_callback random_ready;
};
static inline __u8 drbg_statelen(struct drbg_state *drbg)
@@ -184,11 +190,7 @@ static inline size_t drbg_max_addtl(struct drbg_state *drbg)
static inline size_t drbg_max_requests(struct drbg_state *drbg)
{
/* SP800-90A requires 2**48 maximum requests before reseeding */
#if (__BITS_PER_LONG == 32)
return SIZE_MAX;
#else
return (1UL<<48);
#endif
return (1<<20);
}
/*

View File

@@ -0,0 +1,19 @@
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
#ifndef _CRYPTO_INTERNAL_BLAKE2S_H
#define _CRYPTO_INTERNAL_BLAKE2S_H
#include <crypto/blake2s.h>
void blake2s_compress_generic(struct blake2s_state *state,const u8 *block,
size_t nblocks, const u32 inc);
void blake2s_compress_arch(struct blake2s_state *state,const u8 *block,
size_t nblocks, const u32 inc);
static inline void blake2s_set_lastblock(struct blake2s_state *state)
{
state->f[0] = -1;
}
#endif /* _CRYPTO_INTERNAL_BLAKE2S_H */

View File

@@ -155,6 +155,23 @@ static inline void le64_add_cpu(__le64 *var, u64 val)
*var = cpu_to_le64(le64_to_cpu(*var) + val);
}
/* XXX: this stuff can be optimized */
static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
{
while (words--) {
__le32_to_cpus(buf);
buf++;
}
}
static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
{
while (words--) {
__cpu_to_le32s(buf);
buf++;
}
}
static inline void be16_add_cpu(__be16 *var, u16 val)
{
*var = cpu_to_be16(be16_to_cpu(*var) + val);

View File

@@ -29,6 +29,7 @@ enum cpuhp_state {
CPUHP_ACPI_CPUDRV_DEAD,
CPUHP_S390_PFAULT_DEAD,
CPUHP_BLK_MQ_DEAD,
CPUHP_RANDOM_PREPARE,
CPUHP_WORKQUEUE_PREP,
CPUHP_POWER_NUMA_PREPARE,
CPUHP_HRTIMERS_PREPARE,
@@ -119,6 +120,7 @@ enum cpuhp_state {
CPUHP_AP_PERF_ARM_CCN_ONLINE,
CPUHP_AP_PERF_ARM_L2X0_ONLINE,
CPUHP_AP_WORKQUEUE_ONLINE,
CPUHP_AP_RANDOM_ONLINE,
CPUHP_AP_RCUTREE_ONLINE,
CPUHP_AP_NOTIFY_ONLINE,
CPUHP_AP_ONLINE_DYN,

View File

@@ -60,7 +60,5 @@ extern int devm_hwrng_register(struct device *dev, struct hwrng *rng);
/** Unregister a Hardware Random Number Generator driver. */
extern void hwrng_unregister(struct hwrng *rng);
extern void devm_hwrng_unregister(struct device *dve, struct hwrng *rng);
/** Feed random bits into the pool. */
extern void add_hwgenerator_randomness(const char *buffer, size_t count, size_t entropy);
#endif /* LINUX_HWRANDOM_H_ */

View File

@@ -31,6 +31,7 @@
#define SGI_MMTIMER 153
#define STORE_QUEUE_MINOR 155 /* unused */
#define I2O_MINOR 166
#define HWRNG_MINOR 183
#define MICROCODE_MINOR 184
#define VFIO_MINOR 196
#define TUN_MINOR 200

View File

@@ -2062,6 +2062,8 @@ extern int install_special_mapping(struct mm_struct *mm,
unsigned long addr, unsigned long len,
unsigned long flags, struct page **pages);
unsigned long randomize_page(unsigned long start, unsigned long range);
extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
extern unsigned long mmap_region(struct file *file, unsigned long addr,

View File

@@ -274,6 +274,8 @@ do { \
#define net_get_random_once(buf, nbytes) \
get_random_once((buf), (nbytes))
#define net_get_random_once_wait(buf, nbytes) \
get_random_once_wait((buf), (nbytes))
int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
size_t num, size_t len);

View File

@@ -53,5 +53,7 @@ void __do_once_done(bool *done, struct static_key *once_key,
#define get_random_once(buf, nbytes) \
DO_ONCE(get_random_bytes, (buf), (nbytes))
#define get_random_once_wait(buf, nbytes) \
DO_ONCE(get_random_bytes_wait, (buf), (nbytes)) \
#endif /* _LINUX_ONCE_H */

View File

@@ -10,6 +10,7 @@
#include <linux/types.h>
#include <linux/percpu.h>
#include <linux/siphash.h>
u32 prandom_u32(void);
void prandom_bytes(void *buf, size_t nbytes);
@@ -21,15 +22,10 @@ void prandom_reseed_late(void);
* The core SipHash round function. Each line can be executed in
* parallel given enough CPU resources.
*/
#define PRND_SIPROUND(v0, v1, v2, v3) ( \
v0 += v1, v1 = rol64(v1, 13), v2 += v3, v3 = rol64(v3, 16), \
v1 ^= v0, v0 = rol64(v0, 32), v3 ^= v2, \
v0 += v3, v3 = rol64(v3, 21), v2 += v1, v1 = rol64(v1, 17), \
v3 ^= v0, v1 ^= v2, v2 = rol64(v2, 32) \
)
#define PRND_SIPROUND(v0, v1, v2, v3) SIPHASH_PERMUTATION(v0, v1, v2, v3)
#define PRND_K0 (0x736f6d6570736575 ^ 0x6c7967656e657261)
#define PRND_K1 (0x646f72616e646f6d ^ 0x7465646279746573)
#define PRND_K0 (SIPHASH_CONST_0 ^ SIPHASH_CONST_2)
#define PRND_K1 (SIPHASH_CONST_1 ^ SIPHASH_CONST_3)
#elif BITS_PER_LONG == 32
/*
@@ -37,14 +33,9 @@ void prandom_reseed_late(void);
* This is weaker, but 32-bit machines are not used for high-traffic
* applications, so there is less output for an attacker to analyze.
*/
#define PRND_SIPROUND(v0, v1, v2, v3) ( \
v0 += v1, v1 = rol32(v1, 5), v2 += v3, v3 = rol32(v3, 8), \
v1 ^= v0, v0 = rol32(v0, 16), v3 ^= v2, \
v0 += v3, v3 = rol32(v3, 7), v2 += v1, v1 = rol32(v1, 13), \
v3 ^= v0, v1 ^= v2, v2 = rol32(v2, 16) \
)
#define PRND_K0 0x6c796765
#define PRND_K1 0x74656462
#define PRND_SIPROUND(v0, v1, v2, v3) HSIPHASH_PERMUTATION(v0, v1, v2, v3)
#define PRND_K0 (HSIPHASH_CONST_0 ^ HSIPHASH_CONST_2)
#define PRND_K1 (HSIPHASH_CONST_1 ^ HSIPHASH_CONST_3)
#else
#error Unsupported BITS_PER_LONG

View File

@@ -1,50 +1,78 @@
/*
* include/linux/random.h
*
* Include file for the random number generator.
*/
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_RANDOM_H
#define _LINUX_RANDOM_H
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/once.h>
#include <uapi/linux/random.h>
struct random_ready_callback {
struct list_head list;
void (*func)(struct random_ready_callback *rdy);
struct module *owner;
};
struct notifier_block;
extern void add_device_randomness(const void *, unsigned int);
void add_device_randomness(const void *buf, size_t len);
void __init add_bootloader_randomness(const void *buf, size_t len);
void add_input_randomness(unsigned int type, unsigned int code,
unsigned int value) __latent_entropy;
void add_interrupt_randomness(int irq) __latent_entropy;
void add_hwgenerator_randomness(const void *buf, size_t len, size_t entropy);
#if defined(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) && !defined(__CHECKER__)
#if defined(LATENT_ENTROPY_PLUGIN) && !defined(__CHECKER__)
static inline void add_latent_entropy(void)
{
add_device_randomness((const void *)&latent_entropy,
sizeof(latent_entropy));
add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy));
}
#else
static inline void add_latent_entropy(void) {}
static inline void add_latent_entropy(void) { }
#endif
extern void add_input_randomness(unsigned int type, unsigned int code,
unsigned int value) __latent_entropy;
extern void add_interrupt_randomness(int irq, int irq_flags) __latent_entropy;
extern void get_random_bytes(void *buf, int nbytes);
extern int add_random_ready_callback(struct random_ready_callback *rdy);
extern void del_random_ready_callback(struct random_ready_callback *rdy);
extern void get_random_bytes_arch(void *buf, int nbytes);
#ifndef MODULE
extern const struct file_operations random_fops, urandom_fops;
void get_random_bytes(void *buf, size_t len);
size_t __must_check get_random_bytes_arch(void *buf, size_t len);
u32 get_random_u32(void);
u64 get_random_u64(void);
static inline unsigned int get_random_int(void)
{
return get_random_u32();
}
static inline unsigned long get_random_long(void)
{
#if BITS_PER_LONG == 64
return get_random_u64();
#else
return get_random_u32();
#endif
}
unsigned int get_random_int(void);
unsigned long get_random_long(void);
unsigned long randomize_page(unsigned long start, unsigned long range);
int __init random_init(const char *command_line);
bool rng_is_initialized(void);
int wait_for_random_bytes(void);
int register_random_ready_notifier(struct notifier_block *nb);
int unregister_random_ready_notifier(struct notifier_block *nb);
/* Calls wait_for_random_bytes() and then calls get_random_bytes(buf, nbytes).
* Returns the result of the call to wait_for_random_bytes. */
static inline int get_random_bytes_wait(void *buf, size_t nbytes)
{
int ret = wait_for_random_bytes();
get_random_bytes(buf, nbytes);
return ret;
}
#define declare_get_random_var_wait(name, ret_type) \
static inline int get_random_ ## name ## _wait(ret_type *out) { \
int ret = wait_for_random_bytes(); \
if (unlikely(ret)) \
return ret; \
*out = get_random_ ## name(); \
return 0; \
}
declare_get_random_var_wait(u32, u32)
declare_get_random_var_wait(u64, u32)
declare_get_random_var_wait(int, unsigned int)
declare_get_random_var_wait(long, unsigned long)
#undef declare_get_random_var
/*
* This is designed to be standalone for just prandom
@@ -56,30 +84,39 @@ unsigned long randomize_page(unsigned long start, unsigned long range);
#ifdef CONFIG_ARCH_RANDOM
# include <asm/archrandom.h>
#else
static inline bool arch_get_random_long(unsigned long *v)
static inline bool __must_check arch_get_random_long(unsigned long *v) { return false; }
static inline bool __must_check arch_get_random_int(unsigned int *v) { return false; }
static inline bool __must_check arch_get_random_seed_long(unsigned long *v) { return false; }
static inline bool __must_check arch_get_random_seed_int(unsigned int *v) { return false; }
#endif
/*
* Called from the boot CPU during startup; not valid to call once
* secondary CPUs are up and preemption is possible.
*/
#ifndef arch_get_random_seed_long_early
static inline bool __init arch_get_random_seed_long_early(unsigned long *v)
{
return 0;
}
static inline bool arch_get_random_int(unsigned int *v)
{
return 0;
}
static inline bool arch_has_random(void)
{
return 0;
}
static inline bool arch_get_random_seed_long(unsigned long *v)
{
return 0;
}
static inline bool arch_get_random_seed_int(unsigned int *v)
{
return 0;
}
static inline bool arch_has_random_seed(void)
{
return 0;
WARN_ON(system_state != SYSTEM_BOOTING);
return arch_get_random_seed_long(v);
}
#endif
#ifndef arch_get_random_long_early
static inline bool __init arch_get_random_long_early(unsigned long *v)
{
WARN_ON(system_state != SYSTEM_BOOTING);
return arch_get_random_long(v);
}
#endif
#ifdef CONFIG_SMP
int random_prepare_cpu(unsigned int cpu);
int random_online_cpu(unsigned int cpu);
#endif
#ifndef MODULE
extern const struct file_operations random_fops, urandom_fops;
#endif
#endif /* _LINUX_RANDOM_H */

View File

@@ -136,4 +136,32 @@ static inline u32 hsiphash(const void *data, size_t len,
return ___hsiphash_aligned(data, len, key);
}
/*
* These macros expose the raw SipHash and HalfSipHash permutations.
* Do not use them directly! If you think you have a use for them,
* be sure to CC the maintainer of this file explaining why.
*/
#define SIPHASH_PERMUTATION(a, b, c, d) ( \
(a) += (b), (b) = rol64((b), 13), (b) ^= (a), (a) = rol64((a), 32), \
(c) += (d), (d) = rol64((d), 16), (d) ^= (c), \
(a) += (d), (d) = rol64((d), 21), (d) ^= (a), \
(c) += (b), (b) = rol64((b), 17), (b) ^= (c), (c) = rol64((c), 32))
#define SIPHASH_CONST_0 0x736f6d6570736575ULL
#define SIPHASH_CONST_1 0x646f72616e646f6dULL
#define SIPHASH_CONST_2 0x6c7967656e657261ULL
#define SIPHASH_CONST_3 0x7465646279746573ULL
#define HSIPHASH_PERMUTATION(a, b, c, d) ( \
(a) += (b), (b) = rol32((b), 5), (b) ^= (a), (a) = rol32((a), 16), \
(c) += (d), (d) = rol32((d), 8), (d) ^= (c), \
(a) += (d), (d) = rol32((d), 7), (d) ^= (a), \
(c) += (b), (b) = rol32((b), 13), (b) ^= (c), (c) = rol32((c), 16))
#define HSIPHASH_CONST_0 0U
#define HSIPHASH_CONST_1 0U
#define HSIPHASH_CONST_2 0x6c796765U
#define HSIPHASH_CONST_3 0x74656462U
#endif /* _LINUX_SIPHASH_H */

View File

@@ -6,6 +6,7 @@
# define swab16 __swab16
# define swab32 __swab32
# define swab64 __swab64
# define swab __swab
# define swahw32 __swahw32
# define swahb32 __swahb32
# define swab16p __swab16p

View File

@@ -62,6 +62,8 @@
#include <linux/types.h>
#include <linux/param.h>
unsigned long random_get_entropy_fallback(void);
#include <asm/timex.h>
#ifndef random_get_entropy
@@ -74,8 +76,14 @@
*
* By default we use get_cycles() for this purpose, but individual
* architectures may override this in their asm/timex.h header file.
* If a given arch does not have get_cycles(), then we fallback to
* using random_get_entropy_fallback().
*/
#define random_get_entropy() get_cycles()
#ifdef get_cycles
#define random_get_entropy() ((unsigned long)get_cycles())
#else
#define random_get_entropy() random_get_entropy_fallback()
#endif
#endif
/*

View File

@@ -23,6 +23,7 @@
* not including trailing NUL.
*/
#define UUID_STRING_LEN 36
#define UUID_SIZE 16
static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2)
{

View File

@@ -382,7 +382,7 @@ static inline void sk_rcv_saddr_set(struct sock *sk, __be32 addr)
}
int __inet_hash_connect(struct inet_timewait_death_row *death_row,
struct sock *sk, u32 port_offset,
struct sock *sk, u64 port_offset,
int (*check_established)(struct inet_timewait_death_row *,
struct sock *, __u16,
struct inet_timewait_sock **));

View File

@@ -3,8 +3,8 @@
#include <linux/types.h>
u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport);
u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
u64 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport);
u64 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
__be16 dport);
__u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
__be16 sport, __be16 dport);

View File

@@ -1,315 +0,0 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM random
#if !defined(_TRACE_RANDOM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_RANDOM_H
#include <linux/writeback.h>
#include <linux/tracepoint.h>
TRACE_EVENT(add_device_randomness,
TP_PROTO(int bytes, unsigned long IP),
TP_ARGS(bytes, IP),
TP_STRUCT__entry(
__field( int, bytes )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->bytes = bytes;
__entry->IP = IP;
),
TP_printk("bytes %d caller %pS",
__entry->bytes, (void *)__entry->IP)
);
DECLARE_EVENT_CLASS(random__mix_pool_bytes,
TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
TP_ARGS(pool_name, bytes, IP),
TP_STRUCT__entry(
__field( const char *, pool_name )
__field( int, bytes )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->pool_name = pool_name;
__entry->bytes = bytes;
__entry->IP = IP;
),
TP_printk("%s pool: bytes %d caller %pS",
__entry->pool_name, __entry->bytes, (void *)__entry->IP)
);
DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes,
TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
TP_ARGS(pool_name, bytes, IP)
);
DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes_nolock,
TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
TP_ARGS(pool_name, bytes, IP)
);
TRACE_EVENT(credit_entropy_bits,
TP_PROTO(const char *pool_name, int bits, int entropy_count,
int entropy_total, unsigned long IP),
TP_ARGS(pool_name, bits, entropy_count, entropy_total, IP),
TP_STRUCT__entry(
__field( const char *, pool_name )
__field( int, bits )
__field( int, entropy_count )
__field( int, entropy_total )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->pool_name = pool_name;
__entry->bits = bits;
__entry->entropy_count = entropy_count;
__entry->entropy_total = entropy_total;
__entry->IP = IP;
),
TP_printk("%s pool: bits %d entropy_count %d entropy_total %d "
"caller %pS", __entry->pool_name, __entry->bits,
__entry->entropy_count, __entry->entropy_total,
(void *)__entry->IP)
);
TRACE_EVENT(push_to_pool,
TP_PROTO(const char *pool_name, int pool_bits, int input_bits),
TP_ARGS(pool_name, pool_bits, input_bits),
TP_STRUCT__entry(
__field( const char *, pool_name )
__field( int, pool_bits )
__field( int, input_bits )
),
TP_fast_assign(
__entry->pool_name = pool_name;
__entry->pool_bits = pool_bits;
__entry->input_bits = input_bits;
),
TP_printk("%s: pool_bits %d input_pool_bits %d",
__entry->pool_name, __entry->pool_bits,
__entry->input_bits)
);
TRACE_EVENT(debit_entropy,
TP_PROTO(const char *pool_name, int debit_bits),
TP_ARGS(pool_name, debit_bits),
TP_STRUCT__entry(
__field( const char *, pool_name )
__field( int, debit_bits )
),
TP_fast_assign(
__entry->pool_name = pool_name;
__entry->debit_bits = debit_bits;
),
TP_printk("%s: debit_bits %d", __entry->pool_name,
__entry->debit_bits)
);
TRACE_EVENT(add_input_randomness,
TP_PROTO(int input_bits),
TP_ARGS(input_bits),
TP_STRUCT__entry(
__field( int, input_bits )
),
TP_fast_assign(
__entry->input_bits = input_bits;
),
TP_printk("input_pool_bits %d", __entry->input_bits)
);
TRACE_EVENT(add_disk_randomness,
TP_PROTO(dev_t dev, int input_bits),
TP_ARGS(dev, input_bits),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( int, input_bits )
),
TP_fast_assign(
__entry->dev = dev;
__entry->input_bits = input_bits;
),
TP_printk("dev %d,%d input_pool_bits %d", MAJOR(__entry->dev),
MINOR(__entry->dev), __entry->input_bits)
);
TRACE_EVENT(xfer_secondary_pool,
TP_PROTO(const char *pool_name, int xfer_bits, int request_bits,
int pool_entropy, int input_entropy),
TP_ARGS(pool_name, xfer_bits, request_bits, pool_entropy,
input_entropy),
TP_STRUCT__entry(
__field( const char *, pool_name )
__field( int, xfer_bits )
__field( int, request_bits )
__field( int, pool_entropy )
__field( int, input_entropy )
),
TP_fast_assign(
__entry->pool_name = pool_name;
__entry->xfer_bits = xfer_bits;
__entry->request_bits = request_bits;
__entry->pool_entropy = pool_entropy;
__entry->input_entropy = input_entropy;
),
TP_printk("pool %s xfer_bits %d request_bits %d pool_entropy %d "
"input_entropy %d", __entry->pool_name, __entry->xfer_bits,
__entry->request_bits, __entry->pool_entropy,
__entry->input_entropy)
);
DECLARE_EVENT_CLASS(random__get_random_bytes,
TP_PROTO(int nbytes, unsigned long IP),
TP_ARGS(nbytes, IP),
TP_STRUCT__entry(
__field( int, nbytes )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->nbytes = nbytes;
__entry->IP = IP;
),
TP_printk("nbytes %d caller %pS", __entry->nbytes, (void *)__entry->IP)
);
DEFINE_EVENT(random__get_random_bytes, get_random_bytes,
TP_PROTO(int nbytes, unsigned long IP),
TP_ARGS(nbytes, IP)
);
DEFINE_EVENT(random__get_random_bytes, get_random_bytes_arch,
TP_PROTO(int nbytes, unsigned long IP),
TP_ARGS(nbytes, IP)
);
DECLARE_EVENT_CLASS(random__extract_entropy,
TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
unsigned long IP),
TP_ARGS(pool_name, nbytes, entropy_count, IP),
TP_STRUCT__entry(
__field( const char *, pool_name )
__field( int, nbytes )
__field( int, entropy_count )
__field(unsigned long, IP )
),
TP_fast_assign(
__entry->pool_name = pool_name;
__entry->nbytes = nbytes;
__entry->entropy_count = entropy_count;
__entry->IP = IP;
),
TP_printk("%s pool: nbytes %d entropy_count %d caller %pS",
__entry->pool_name, __entry->nbytes, __entry->entropy_count,
(void *)__entry->IP)
);
DEFINE_EVENT(random__extract_entropy, extract_entropy,
TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
unsigned long IP),
TP_ARGS(pool_name, nbytes, entropy_count, IP)
);
DEFINE_EVENT(random__extract_entropy, extract_entropy_user,
TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
unsigned long IP),
TP_ARGS(pool_name, nbytes, entropy_count, IP)
);
TRACE_EVENT(random_read,
TP_PROTO(int got_bits, int need_bits, int pool_left, int input_left),
TP_ARGS(got_bits, need_bits, pool_left, input_left),
TP_STRUCT__entry(
__field( int, got_bits )
__field( int, need_bits )
__field( int, pool_left )
__field( int, input_left )
),
TP_fast_assign(
__entry->got_bits = got_bits;
__entry->need_bits = need_bits;
__entry->pool_left = pool_left;
__entry->input_left = input_left;
),
TP_printk("got_bits %d still_needed_bits %d "
"blocking_pool_entropy_left %d input_entropy_left %d",
__entry->got_bits, __entry->got_bits, __entry->pool_left,
__entry->input_left)
);
TRACE_EVENT(urandom_read,
TP_PROTO(int got_bits, int pool_left, int input_left),
TP_ARGS(got_bits, pool_left, input_left),
TP_STRUCT__entry(
__field( int, got_bits )
__field( int, pool_left )
__field( int, input_left )
),
TP_fast_assign(
__entry->got_bits = got_bits;
__entry->pool_left = pool_left;
__entry->input_left = input_left;
),
TP_printk("got_bits %d nonblocking_pool_entropy_left %d "
"input_entropy_left %d", __entry->got_bits,
__entry->pool_left, __entry->input_left)
);
#endif /* _TRACE_RANDOM_H */
/* This part must be outside protection */
#include <trace/define_trace.h>

View File

@@ -47,9 +47,11 @@ struct rand_pool_info {
* Flags for getrandom(2)
*
* GRND_NONBLOCK Don't block and return EAGAIN instead
* GRND_RANDOM Use the /dev/random pool instead of /dev/urandom
* GRND_RANDOM No effect
* GRND_INSECURE Return non-cryptographic random bytes
*/
#define GRND_NONBLOCK 0x0001
#define GRND_RANDOM 0x0002
#define GRND_INSECURE 0x0004
#endif /* _UAPI_LINUX_RANDOM_H */

View File

@@ -3,6 +3,7 @@
#include <linux/types.h>
#include <linux/compiler.h>
#include <asm/bitsperlong.h>
#include <asm/swab.h>
/*
@@ -131,6 +132,15 @@ static inline __attribute_const__ __u32 __fswahb32(__u32 val)
__fswab64(x))
#endif
static __always_inline unsigned long __swab(const unsigned long y)
{
#if BITS_PER_LONG == 64
return __swab64(y);
#else /* BITS_PER_LONG == 32 */
return __swab32(y);
#endif
}
/**
* __swahw32 - return a word-swapped 32-bit value
* @x: value to wordswap

View File

@@ -490,6 +490,7 @@ asmlinkage __visible void __init start_kernel(void)
/*
* Set up the the initial canary ASAP:
*/
add_latent_entropy();
boot_init_stack_canary();
cgroup_init_early();
@@ -578,6 +579,17 @@ asmlinkage __visible void __init start_kernel(void)
softirq_init();
timekeeping_init();
time_init();
/*
* For best initial stack canary entropy, prepare it after:
* - setup_arch() for any UEFI RNG entropy and boot cmdline access
* - timekeeping_init() for ktime entropy used in random_init()
* - time_init() for making random_get_entropy() work on some platforms
* - random_init() to initialize the RNG from from early entropy sources
*/
random_init(command_line);
boot_init_stack_canary();
sched_clock_postinit();
printk_nmi_init();
perf_event_init();

View File

@@ -26,6 +26,7 @@
#include <linux/smpboot.h>
#include <linux/relay.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <trace/events/power.h>
#define CREATE_TRACE_POINTS
@@ -1411,6 +1412,11 @@ static struct cpuhp_step cpuhp_bp_states[] = {
.startup.single = perf_event_init_cpu,
.teardown.single = perf_event_exit_cpu,
},
[CPUHP_RANDOM_PREPARE] = {
.name = "random:prepare",
.startup.single = random_prepare_cpu,
.teardown.single = NULL,
},
[CPUHP_WORKQUEUE_PREP] = {
.name = "workqueue:prepare",
.startup.single = workqueue_prepare_cpu,
@@ -1536,6 +1542,11 @@ static struct cpuhp_step cpuhp_ap_states[] = {
.startup.single = workqueue_online_cpu,
.teardown.single = workqueue_offline_cpu,
},
[CPUHP_AP_RANDOM_ONLINE] = {
.name = "random:online",
.startup.single = random_online_cpu,
.teardown.single = NULL,
},
[CPUHP_AP_RCUTREE_ONLINE] = {
.name = "RCU/tree:online",
.startup.single = rcutree_online_cpu,

View File

@@ -184,7 +184,7 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc)
retval = __handle_irq_event_percpu(desc, &flags);
add_interrupt_randomness(desc->irq_data.irq, flags);
add_interrupt_randomness(desc->irq_data.irq);
if (!noirqdebug)
note_interrupt(desc, retval);

View File

@@ -20,6 +20,7 @@
#include <linux/clocksource.h>
#include <linux/jiffies.h>
#include <linux/time.h>
#include <linux/timex.h>
#include <linux/tick.h>
#include <linux/stop_machine.h>
#include <linux/pvclock_gtod.h>
@@ -2302,6 +2303,21 @@ ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq, ktime_t *offs_real,
return base;
}
/**
* random_get_entropy_fallback - Returns the raw clock source value,
* used by random.c for platforms with no valid random_get_entropy().
*/
unsigned long random_get_entropy_fallback(void)
{
struct tk_read_base *tkr = &tk_core.timekeeper.tkr_mono;
struct clocksource *clock = READ_ONCE(tkr->clock);
if (unlikely(timekeeping_suspended || !clock))
return 0;
return clock->read(clock);
}
EXPORT_SYMBOL_GPL(random_get_entropy_fallback);
/**
* do_adjtimex() - Accessor function to NTP __do_adjtimex function
*/

View File

@@ -1186,6 +1186,33 @@ config STACKTRACE
It is also used by various kernel debugging features that require
stack trace generation.
config WARN_ALL_UNSEEDED_RANDOM
bool "Warn for all uses of unseeded randomness"
default n
help
Some parts of the kernel contain bugs relating to their use of
cryptographically secure random numbers before it's actually possible
to generate those numbers securely. This setting ensures that these
flaws don't go unnoticed, by enabling a message, should this ever
occur. This will allow people with obscure setups to know when things
are going wrong, so that they might contact developers about fixing
it.
Unfortunately, on some models of some architectures getting
a fully seeded CRNG is extremely difficult, and so this can
result in dmesg getting spammed for a surprisingly long
time. This is really bad from a security perspective, and
so architecture maintainers really need to do what they can
to get the CRNG seeded sooner after the system is booted.
However, since users cannot do anything actionable to
address this, by default this option is disabled.
Say Y here if you want to receive warnings for all uses of
unseeded randomness. This will be of use primarily for
those developers interersted in improving the security of
Linux kernels running on their architecture (or
subarchitecture).
config DEBUG_KOBJECT
bool "kobject debugging"
depends on DEBUG_KERNEL

View File

@@ -237,3 +237,5 @@ KASAN_SANITIZE_ubsan.o := n
CFLAGS_ubsan.o := $(call cc-option, -fno-stack-protector) $(DISABLE_STACKLEAK_PLUGIN)
obj-$(CONFIG_SBITMAP) += sbitmap.o
obj-y += crypto/

7
lib/crypto/Makefile Normal file
View File

@@ -0,0 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
obj-y += libblake2s.o
libblake2s-y += blake2s.o blake2s-generic.o
ifneq ($(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS),y)
libblake2s-y += blake2s-selftest.o
endif

View File

@@ -0,0 +1,111 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*
* This is an implementation of the BLAKE2s hash and PRF functions.
*
* Information: https://blake2.net/
*
*/
#include <crypto/internal/blake2s.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/bug.h>
#include <asm/unaligned.h>
static const u8 blake2s_sigma[10][16] = {
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 },
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 },
{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 },
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 },
{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 },
};
static inline void blake2s_increment_counter(struct blake2s_state *state,
const u32 inc)
{
state->t[0] += inc;
state->t[1] += (state->t[0] < inc);
}
void blake2s_compress_generic(struct blake2s_state *state,const u8 *block,
size_t nblocks, const u32 inc)
{
u32 m[16];
u32 v[16];
int i;
WARN_ON(IS_ENABLED(DEBUG) &&
(nblocks > 1 && inc != BLAKE2S_BLOCK_SIZE));
while (nblocks > 0) {
blake2s_increment_counter(state, inc);
memcpy(m, block, BLAKE2S_BLOCK_SIZE);
le32_to_cpu_array(m, ARRAY_SIZE(m));
memcpy(v, state->h, 32);
v[ 8] = BLAKE2S_IV0;
v[ 9] = BLAKE2S_IV1;
v[10] = BLAKE2S_IV2;
v[11] = BLAKE2S_IV3;
v[12] = BLAKE2S_IV4 ^ state->t[0];
v[13] = BLAKE2S_IV5 ^ state->t[1];
v[14] = BLAKE2S_IV6 ^ state->f[0];
v[15] = BLAKE2S_IV7 ^ state->f[1];
#define G(r, i, a, b, c, d) do { \
a += b + m[blake2s_sigma[r][2 * i + 0]]; \
d = ror32(d ^ a, 16); \
c += d; \
b = ror32(b ^ c, 12); \
a += b + m[blake2s_sigma[r][2 * i + 1]]; \
d = ror32(d ^ a, 8); \
c += d; \
b = ror32(b ^ c, 7); \
} while (0)
#define ROUND(r) do { \
G(r, 0, v[0], v[ 4], v[ 8], v[12]); \
G(r, 1, v[1], v[ 5], v[ 9], v[13]); \
G(r, 2, v[2], v[ 6], v[10], v[14]); \
G(r, 3, v[3], v[ 7], v[11], v[15]); \
G(r, 4, v[0], v[ 5], v[10], v[15]); \
G(r, 5, v[1], v[ 6], v[11], v[12]); \
G(r, 6, v[2], v[ 7], v[ 8], v[13]); \
G(r, 7, v[3], v[ 4], v[ 9], v[14]); \
} while (0)
ROUND(0);
ROUND(1);
ROUND(2);
ROUND(3);
ROUND(4);
ROUND(5);
ROUND(6);
ROUND(7);
ROUND(8);
ROUND(9);
#undef G
#undef ROUND
for (i = 0; i < 8; ++i)
state->h[i] ^= v[i] ^ v[i + 8];
block += BLAKE2S_BLOCK_SIZE;
--nblocks;
}
}
EXPORT_SYMBOL(blake2s_compress_generic);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("BLAKE2s hash function");
MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");

View File

@@ -0,0 +1,591 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#include <crypto/blake2s.h>
#include <linux/string.h>
/*
* blake2s_testvecs[] generated with the program below (using libb2-dev and
* libssl-dev [OpenSSL])
*
* #include <blake2.h>
* #include <stdint.h>
* #include <stdio.h>
*
* #include <openssl/evp.h>
*
* #define BLAKE2S_TESTVEC_COUNT 256
*
* static void print_vec(const uint8_t vec[], int len)
* {
* int i;
*
* printf(" { ");
* for (i = 0; i < len; i++) {
* if (i && (i % 12) == 0)
* printf("\n ");
* printf("0x%02x, ", vec[i]);
* }
* printf("},\n");
* }
*
* int main(void)
* {
* uint8_t key[BLAKE2S_KEYBYTES];
* uint8_t buf[BLAKE2S_TESTVEC_COUNT];
* uint8_t hash[BLAKE2S_OUTBYTES];
* int i, j;
*
* key[0] = key[1] = 1;
* for (i = 2; i < BLAKE2S_KEYBYTES; ++i)
* key[i] = key[i - 2] + key[i - 1];
*
* for (i = 0; i < BLAKE2S_TESTVEC_COUNT; ++i)
* buf[i] = (uint8_t)i;
*
* printf("static const u8 blake2s_testvecs[][BLAKE2S_HASH_SIZE] __initconst = {\n");
*
* for (i = 0; i < BLAKE2S_TESTVEC_COUNT; ++i) {
* int outlen = 1 + i % BLAKE2S_OUTBYTES;
* int keylen = (13 * i) % (BLAKE2S_KEYBYTES + 1);
*
* blake2s(hash, buf, key + BLAKE2S_KEYBYTES - keylen, outlen, i,
* keylen);
* print_vec(hash, outlen);
* }
* printf("};\n\n");
*
* return 0;
*}
*/
static const u8 blake2s_testvecs[][BLAKE2S_HASH_SIZE] __initconst = {
{ 0xa1, },
{ 0x7c, 0x89, },
{ 0x74, 0x0e, 0xd4, },
{ 0x47, 0x0c, 0x21, 0x15, },
{ 0x18, 0xd6, 0x9c, 0xa6, 0xc4, },
{ 0x13, 0x5d, 0x16, 0x63, 0x2e, 0xf9, },
{ 0x2c, 0xb5, 0x04, 0xb7, 0x99, 0xe2, 0x73, },
{ 0x9a, 0x0f, 0xd2, 0x39, 0xd6, 0x68, 0x1b, 0x92, },
{ 0xc8, 0xde, 0x7a, 0xea, 0x2f, 0xf4, 0xd2, 0xe3, 0x2b, },
{ 0x5b, 0xf9, 0x43, 0x52, 0x0c, 0x12, 0xba, 0xb5, 0x93, 0x9f, },
{ 0xc6, 0x2c, 0x4e, 0x80, 0xfc, 0x32, 0x5b, 0x33, 0xb8, 0xb8, 0x0a, },
{ 0xa7, 0x5c, 0xfd, 0x3a, 0xcc, 0xbf, 0x90, 0xca, 0xb7, 0x97, 0xde, 0xd8, },
{ 0x66, 0xca, 0x3c, 0xc4, 0x19, 0xef, 0x92, 0x66, 0x3f, 0x21, 0x8f, 0xda,
0xb7, },
{ 0xba, 0xe5, 0xbb, 0x30, 0x25, 0x94, 0x6d, 0xc3, 0x89, 0x09, 0xc4, 0x25,
0x52, 0x3e, },
{ 0xa2, 0xef, 0x0e, 0x52, 0x0b, 0x5f, 0xa2, 0x01, 0x6d, 0x0a, 0x25, 0xbc,
0x57, 0xe2, 0x27, },
{ 0x4f, 0xe0, 0xf9, 0x52, 0x12, 0xda, 0x84, 0xb7, 0xab, 0xae, 0xb0, 0xa6,
0x47, 0x2a, 0xc7, 0xf5, },
{ 0x56, 0xe7, 0xa8, 0x1c, 0x4c, 0xca, 0xed, 0x90, 0x31, 0xec, 0x87, 0x43,
0xe7, 0x72, 0x08, 0xec, 0xbe, },
{ 0x7e, 0xdf, 0x80, 0x1c, 0x93, 0x33, 0xfd, 0x53, 0x44, 0xba, 0xfd, 0x96,
0xe1, 0xbb, 0xb5, 0x65, 0xa5, 0x00, },
{ 0xec, 0x6b, 0xed, 0xf7, 0x7b, 0x62, 0x1d, 0x7d, 0xf4, 0x82, 0xf3, 0x1e,
0x18, 0xff, 0x2b, 0xc4, 0x06, 0x20, 0x2a, },
{ 0x74, 0x98, 0xd7, 0x68, 0x63, 0xed, 0x87, 0xe4, 0x5d, 0x8d, 0x9e, 0x1d,
0xfd, 0x2a, 0xbb, 0x86, 0xac, 0xe9, 0x2a, 0x89, },
{ 0x89, 0xc3, 0x88, 0xce, 0x2b, 0x33, 0x1e, 0x10, 0xd1, 0x37, 0x20, 0x86,
0x28, 0x43, 0x70, 0xd9, 0xfb, 0x96, 0xd9, 0xb5, 0xd3, },
{ 0xcb, 0x56, 0x74, 0x41, 0x8d, 0x80, 0x01, 0x9a, 0x6b, 0x38, 0xe1, 0x41,
0xad, 0x9c, 0x62, 0x74, 0xce, 0x35, 0xd5, 0x6c, 0x89, 0x6e, },
{ 0x79, 0xaf, 0x94, 0x59, 0x99, 0x26, 0xe1, 0xc9, 0x34, 0xfe, 0x7c, 0x22,
0xf7, 0x43, 0xd7, 0x65, 0xd4, 0x48, 0x18, 0xac, 0x3d, 0xfd, 0x93, },
{ 0x85, 0x0d, 0xff, 0xb8, 0x3e, 0x87, 0x41, 0xb0, 0x95, 0xd3, 0x3d, 0x00,
0x47, 0x55, 0x9e, 0xd2, 0x69, 0xea, 0xbf, 0xe9, 0x7a, 0x2d, 0x61, 0x45, },
{ 0x03, 0xe0, 0x85, 0xec, 0x54, 0xb5, 0x16, 0x53, 0xa8, 0xc4, 0x71, 0xe9,
0x6a, 0xe7, 0xcb, 0xc4, 0x15, 0x02, 0xfc, 0x34, 0xa4, 0xa4, 0x28, 0x13,
0xd1, },
{ 0xe3, 0x34, 0x4b, 0xe1, 0xd0, 0x4b, 0x55, 0x61, 0x8f, 0xc0, 0x24, 0x05,
0xe6, 0xe0, 0x3d, 0x70, 0x24, 0x4d, 0xda, 0xb8, 0x91, 0x05, 0x29, 0x07,
0x01, 0x3e, },
{ 0x61, 0xff, 0x01, 0x72, 0xb1, 0x4d, 0xf6, 0xfe, 0xd1, 0xd1, 0x08, 0x74,
0xe6, 0x91, 0x44, 0xeb, 0x61, 0xda, 0x40, 0xaf, 0xfc, 0x8c, 0x91, 0x6b,
0xec, 0x13, 0xed, },
{ 0xd4, 0x40, 0xd2, 0xa0, 0x7f, 0xc1, 0x58, 0x0c, 0x85, 0xa0, 0x86, 0xc7,
0x86, 0xb9, 0x61, 0xc9, 0xea, 0x19, 0x86, 0x1f, 0xab, 0x07, 0xce, 0x37,
0x72, 0x67, 0x09, 0xfc, },
{ 0x9e, 0xf8, 0x18, 0x67, 0x93, 0x10, 0x9b, 0x39, 0x75, 0xe8, 0x8b, 0x38,
0x82, 0x7d, 0xb8, 0xb7, 0xa5, 0xaf, 0xe6, 0x6a, 0x22, 0x5e, 0x1f, 0x9c,
0x95, 0x29, 0x19, 0xf2, 0x4b, },
{ 0xc8, 0x62, 0x25, 0xf5, 0x98, 0xc9, 0xea, 0xe5, 0x29, 0x3a, 0xd3, 0x22,
0xeb, 0xeb, 0x07, 0x7c, 0x15, 0x07, 0xee, 0x15, 0x61, 0xbb, 0x05, 0x30,
0x99, 0x7f, 0x11, 0xf6, 0x0a, 0x1d, },
{ 0x68, 0x70, 0xf7, 0x90, 0xa1, 0x8b, 0x1f, 0x0f, 0xbb, 0xce, 0xd2, 0x0e,
0x33, 0x1f, 0x7f, 0xa9, 0x78, 0xa8, 0xa6, 0x81, 0x66, 0xab, 0x8d, 0xcd,
0x58, 0x55, 0x3a, 0x0b, 0x7a, 0xdb, 0xb5, },
{ 0xdd, 0x35, 0xd2, 0xb4, 0xf6, 0xc7, 0xea, 0xab, 0x64, 0x24, 0x4e, 0xfe,
0xe5, 0x3d, 0x4e, 0x95, 0x8b, 0x6d, 0x6c, 0xbc, 0xb0, 0xf8, 0x88, 0x61,
0x09, 0xb7, 0x78, 0xa3, 0x31, 0xfe, 0xd9, 0x2f, },
{ 0x0a, },
{ 0x6e, 0xd4, },
{ 0x64, 0xe9, 0xd1, },
{ 0x30, 0xdd, 0x71, 0xef, },
{ 0x11, 0xb5, 0x0c, 0x87, 0xc9, },
{ 0x06, 0x1c, 0x6d, 0x04, 0x82, 0xd0, },
{ 0x5c, 0x42, 0x0b, 0xee, 0xc5, 0x9c, 0xb2, },
{ 0xe8, 0x29, 0xd6, 0xb4, 0x5d, 0xf7, 0x2b, 0x93, },
{ 0x18, 0xca, 0x27, 0x72, 0x43, 0x39, 0x16, 0xbc, 0x6a, },
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{ 0xbb, 0x3a, 0x78, 0x6b, 0x02, 0x1d, 0x0b, 0x16, 0xe3, 0xb2, 0x9a, },
{ 0xb8, 0xb4, 0x0b, 0xe5, 0xd4, 0x1d, 0x0d, 0x85, 0x49, 0x91, 0x35, 0xfa, },
{ 0x6d, 0x48, 0x2a, 0x0c, 0x42, 0x08, 0xbd, 0xa9, 0x78, 0x6f, 0x18, 0xaf,
0xe2, },
{ 0x10, 0x45, 0xd4, 0x58, 0x88, 0xec, 0x4e, 0x1e, 0xf6, 0x14, 0x92, 0x64,
0x7e, 0xb0, },
{ 0x8b, 0x0b, 0x95, 0xee, 0x92, 0xc6, 0x3b, 0x91, 0xf1, 0x1e, 0xeb, 0x51,
0x98, 0x0a, 0x8d, },
{ 0xa3, 0x50, 0x4d, 0xa5, 0x1d, 0x03, 0x68, 0xe9, 0x57, 0x78, 0xd6, 0x04,
0xf1, 0xc3, 0x94, 0xd8, },
{ 0xb8, 0x66, 0x6e, 0xdd, 0x46, 0x15, 0xae, 0x3d, 0x83, 0x7e, 0xcf, 0xe7,
0x2c, 0xe8, 0x8f, 0xc7, 0x34, },
{ 0x2e, 0xc0, 0x1f, 0x29, 0xea, 0xf6, 0xb9, 0xe2, 0xc2, 0x93, 0xeb, 0x41,
0x0d, 0xf0, 0x0a, 0x13, 0x0e, 0xa2, },
{ 0x71, 0xb8, 0x33, 0xa9, 0x1b, 0xac, 0xf1, 0xb5, 0x42, 0x8f, 0x5e, 0x81,
0x34, 0x43, 0xb7, 0xa4, 0x18, 0x5c, 0x47, },
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0x1c, 0x5e, 0xa0, 0x2b, 0x33, 0x96, 0x5a, 0x58, },
{ 0xe3, 0x09, 0x05, 0xa9, 0xeb, 0x48, 0x13, 0xad, 0x71, 0x88, 0x81, 0x9a,
0x3e, 0x2c, 0xe1, 0x23, 0x99, 0x13, 0x35, 0x9f, 0xb5, },
{ 0xb7, 0x86, 0x2d, 0x16, 0xe1, 0x04, 0x00, 0x47, 0x47, 0x61, 0x31, 0xfb,
0x14, 0xac, 0xd8, 0xe9, 0xe3, 0x49, 0xbd, 0xf7, 0x9c, 0x3f, },
{ 0x7f, 0xd9, 0x95, 0xa8, 0xa7, 0xa0, 0xcc, 0xba, 0xef, 0xb1, 0x0a, 0xa9,
0x21, 0x62, 0x08, 0x0f, 0x1b, 0xff, 0x7b, 0x9d, 0xae, 0xb2, 0x95, },
{ 0x85, 0x99, 0xea, 0x33, 0xe0, 0x56, 0xff, 0x13, 0xc6, 0x61, 0x8c, 0xf9,
0x57, 0x05, 0x03, 0x11, 0xf9, 0xfb, 0x3a, 0xf7, 0xce, 0xbb, 0x52, 0x30, },
{ 0xb2, 0x72, 0x9c, 0xf8, 0x77, 0x4e, 0x8f, 0x6b, 0x01, 0x6c, 0xff, 0x4e,
0x4f, 0x02, 0xd2, 0xbc, 0xeb, 0x51, 0x28, 0x99, 0x50, 0xab, 0xc4, 0x42,
0xe3, },
{ 0x8b, 0x0a, 0xb5, 0x90, 0x8f, 0xf5, 0x7b, 0xdd, 0xba, 0x47, 0x37, 0xc9,
0x2a, 0xd5, 0x4b, 0x25, 0x08, 0x8b, 0x02, 0x17, 0xa7, 0x9e, 0x6b, 0x6e,
0xe3, 0x90, },
{ 0x90, 0xdd, 0xf7, 0x75, 0xa7, 0xa3, 0x99, 0x5e, 0x5b, 0x7d, 0x75, 0xc3,
0x39, 0x6b, 0xa0, 0xe2, 0x44, 0x53, 0xb1, 0x9e, 0xc8, 0xf1, 0x77, 0x10,
0x58, 0x06, 0x9a, },
{ 0x99, 0x52, 0xf0, 0x49, 0xa8, 0x8c, 0xec, 0xa6, 0x97, 0x32, 0x13, 0xb5,
0xf7, 0xa3, 0x8e, 0xfb, 0x4b, 0x59, 0x31, 0x3d, 0x01, 0x59, 0x98, 0x5d,
0x53, 0x03, 0x1a, 0x39, },
{ 0x9f, 0xe0, 0xc2, 0xe5, 0x5d, 0x93, 0xd6, 0x9b, 0x47, 0x8f, 0x9b, 0xe0,
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0xd4, 0x36, 0xb1, 0xac, 0x73, },
{ 0x30, 0x32, 0x20, 0x3b, 0x10, 0x28, 0xec, 0x1f, 0x4f, 0x9b, 0x47, 0x59,
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0x2c, 0xf0, 0x9e, 0x8d, 0xbf, 0xd5, },
{ 0x2a, 0x37, 0x73, 0x7f, 0xf9, 0x96, 0x19, 0xaa, 0x25, 0xd8, 0x13, 0x28,
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0x26, 0x0c, 0xb7, 0x87, 0x66, 0x0b, 0x5f, },
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0x02, 0xf6, 0x47, 0xee, 0x81, 0xdd, 0xb9, 0x06, },
{ 0x9d, },
{ 0x9d, 0x7d, },
{ 0xfd, 0xc3, 0xda, },
{ 0xe8, 0x82, 0xcd, 0x21, },
{ 0xc3, 0x1d, 0x42, 0x4c, 0x74, },
{ 0xe9, 0xda, 0xf1, 0xa2, 0xe5, 0x7c, },
{ 0x52, 0xb8, 0x6f, 0x81, 0x5c, 0x3a, 0x4c, },
{ 0x5b, 0x39, 0x26, 0xfc, 0x92, 0x5e, 0xe0, 0x49, },
{ 0x59, 0xe4, 0x7c, 0x93, 0x1c, 0xf9, 0x28, 0x93, 0xde, },
{ 0xde, 0xdf, 0xb2, 0x43, 0x61, 0x0b, 0x86, 0x16, 0x4c, 0x2e, },
{ 0x14, 0x8f, 0x75, 0x51, 0xaf, 0xb9, 0xee, 0x51, 0x5a, 0xae, 0x23, },
{ 0x43, 0x5f, 0x50, 0xd5, 0x70, 0xb0, 0x5b, 0x87, 0xf5, 0xd9, 0xb3, 0x6d, },
{ 0x66, 0x0a, 0x64, 0x93, 0x79, 0x71, 0x94, 0x40, 0xb7, 0x68, 0x2d, 0xd3,
0x63, },
{ 0x15, 0x00, 0xc4, 0x0c, 0x7d, 0x1b, 0x10, 0xa9, 0x73, 0x1b, 0x90, 0x6f,
0xe6, 0xa9, },
{ 0x34, 0x75, 0xf3, 0x86, 0x8f, 0x56, 0xcf, 0x2a, 0x0a, 0xf2, 0x62, 0x0a,
0xf6, 0x0e, 0x20, },
{ 0xb1, 0xde, 0xc9, 0xf5, 0xdb, 0xf3, 0x2f, 0x4c, 0xd6, 0x41, 0x7d, 0x39,
0x18, 0x3e, 0xc7, 0xc3, },
{ 0xc5, 0x89, 0xb2, 0xf8, 0xb8, 0xc0, 0xa3, 0xb9, 0x3b, 0x10, 0x6d, 0x7c,
0x92, 0xfc, 0x7f, 0x34, 0x41, },
{ 0xc4, 0xd8, 0xef, 0xba, 0xef, 0xd2, 0xaa, 0xc5, 0x6c, 0x8e, 0x3e, 0xbb,
0x12, 0xfc, 0x0f, 0x72, 0xbf, 0x0f, },
{ 0xdd, 0x91, 0xd1, 0x15, 0x9e, 0x7d, 0xf8, 0xc1, 0xb9, 0x14, 0x63, 0x96,
0xb5, 0xcb, 0x83, 0x1d, 0x35, 0x1c, 0xec, },
{ 0xa9, 0xf8, 0x52, 0xc9, 0x67, 0x76, 0x2b, 0xad, 0xfb, 0xd8, 0x3a, 0xa6,
0x74, 0x02, 0xae, 0xb8, 0x25, 0x2c, 0x63, 0x49, },
{ 0x77, 0x1f, 0x66, 0x70, 0xfd, 0x50, 0x29, 0xaa, 0xeb, 0xdc, 0xee, 0xba,
0x75, 0x98, 0xdc, 0x93, 0x12, 0x3f, 0xdc, 0x7c, 0x38, },
{ 0xe2, 0xe1, 0x89, 0x5c, 0x37, 0x38, 0x6a, 0xa3, 0x40, 0xac, 0x3f, 0xb0,
0xca, 0xfc, 0xa7, 0xf3, 0xea, 0xf9, 0x0f, 0x5d, 0x8e, 0x39, },
{ 0x0f, 0x67, 0xc8, 0x38, 0x01, 0xb1, 0xb7, 0xb8, 0xa2, 0xe7, 0x0a, 0x6d,
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{ 0x13, 0xe1, 0x36, 0x30, 0xfe, 0xc6, 0x01, 0x8a, 0xa1, 0x63, 0x96, 0x59,
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{ 0xa3, 0x9e, 0xce, 0xda, 0x42, 0xee, 0x8c, 0x6c, 0x5a, 0x7d, 0xdc, 0x89,
0x02, 0x77, 0xdd, 0xe7, 0x95, 0xbb, 0xff, 0x0d, 0xa4, 0xb5, 0x38, 0x1e,
0xaf, },
{ 0x9a, 0xf6, 0xb5, 0x9a, 0x4f, 0xa9, 0x4f, 0x2c, 0x35, 0x3c, 0x24, 0xdc,
0x97, 0x6f, 0xd9, 0xa1, 0x7d, 0x1a, 0x85, 0x0b, 0xf5, 0xda, 0x2e, 0xe7,
0xb1, 0x1d, },
{ 0x84, 0x1e, 0x8e, 0x3d, 0x45, 0xa5, 0xf2, 0x27, 0xf3, 0x31, 0xfe, 0xb9,
0xfb, 0xc5, 0x45, 0x99, 0x99, 0xdd, 0x93, 0x43, 0x02, 0xee, 0x58, 0xaf,
0xee, 0x6a, 0xbe, },
{ 0x07, 0x2f, 0xc0, 0xa2, 0x04, 0xc4, 0xab, 0x7c, 0x26, 0xbb, 0xa8, 0xd8,
0xe3, 0x1c, 0x75, 0x15, 0x64, 0x5d, 0x02, 0x6a, 0xf0, 0x86, 0xe9, 0xcd,
0x5c, 0xef, 0xa3, 0x25, },
{ 0x2f, 0x3b, 0x1f, 0xb5, 0x91, 0x8f, 0x86, 0xe0, 0xdc, 0x31, 0x48, 0xb6,
0xa1, 0x8c, 0xfd, 0x75, 0xbb, 0x7d, 0x3d, 0xc1, 0xf0, 0x10, 0x9a, 0xd8,
0x4b, 0x0e, 0xe3, 0x94, 0x9f, },
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0x6f, 0xa4, 0x53, 0x88, 0xd8, 0xcf, 0x4d, 0x45, 0x42, 0x62, 0xdb, 0xdf,
0xf8, 0x45, 0xc2, 0x13, 0xec, 0x35, },
{ 0x06, 0x3c, 0xe3, 0x2c, 0x15, 0xc6, 0x43, 0x03, 0x81, 0xfb, 0x08, 0x76,
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0x28, 0x3f, 0x3e, 0x9d, 0x2c, 0x44, 0x54, },
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0x40, 0x97, 0xbd, 0xd4, 0xed, 0xfa, 0x5e, 0x28, },
{ 0x02, },
{ 0x52, 0xa8, },
{ 0x38, 0x25, 0x0d, },
{ 0xe3, 0x04, 0xd4, 0x92, },
{ 0x97, 0xdb, 0xf7, 0x81, 0xca, },
{ 0x8a, 0x56, 0x9d, 0x62, 0x56, 0xcc, },
{ 0xa1, 0x8e, 0x3c, 0x72, 0x8f, 0x63, 0x03, },
{ 0xf7, 0xf3, 0x39, 0x09, 0x0a, 0xa1, 0xbb, 0x23, },
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{ 0x1b, 0x4b, 0xf5, 0xd6, 0x4f, 0x05, 0x75, 0x91, 0x4c, 0x7f, },
{ 0x4c, 0x8c, 0x25, 0x20, 0x21, 0xcb, 0xc2, 0x4b, 0x3a, 0x5b, 0x8d, },
{ 0x56, 0xe2, 0x77, 0xa0, 0xb6, 0x9f, 0x81, 0xec, 0x83, 0x75, 0xc4, 0xf9, },
{ 0x71, 0x70, 0x0f, 0xad, 0x4d, 0x35, 0x81, 0x9d, 0x88, 0x69, 0xf9, 0xaa,
0xd3, },
{ 0x50, 0x6e, 0x86, 0x6e, 0x43, 0xc0, 0xc2, 0x44, 0xc2, 0xe2, 0xa0, 0x1c,
0xb7, 0x9a, },
{ 0xe4, 0x7e, 0x72, 0xc6, 0x12, 0x8e, 0x7c, 0xfc, 0xbd, 0xe2, 0x08, 0x31,
0x3d, 0x47, 0x3d, },
{ 0x08, 0x97, 0x5b, 0x80, 0xae, 0xc4, 0x1d, 0x50, 0x77, 0xdf, 0x1f, 0xd0,
0x24, 0xf0, 0x17, 0xc0, },
{ 0x01, 0xb6, 0x29, 0xf4, 0xaf, 0x78, 0x5f, 0xb6, 0x91, 0xdd, 0x76, 0x76,
0xd2, 0xfd, 0x0c, 0x47, 0x40, },
{ 0xa1, 0xd8, 0x09, 0x97, 0x7a, 0xa6, 0xc8, 0x94, 0xf6, 0x91, 0x7b, 0xae,
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{ 0x12, 0xd5, 0x53, 0x7d, 0x9a, 0xb0, 0xbe, 0xd9, 0xed, 0xe9, 0x9e, 0xee,
0x61, 0x5b, 0x42, 0xf2, 0xc0, 0x73, 0xc0, },
{ 0xd5, 0x77, 0xd6, 0x5c, 0x6e, 0xa5, 0x69, 0x2b, 0x3b, 0x8c, 0xd6, 0x7d,
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{ 0xa4, 0x98, 0x80, 0xca, 0x22, 0xcf, 0x6a, 0xab, 0x5e, 0x40, 0x0d, 0x61,
0x08, 0x21, 0xef, 0xc0, 0x6c, 0x52, 0xb4, 0xb0, 0x53, },
{ 0xbf, 0xaf, 0x8f, 0x3b, 0x7a, 0x97, 0x33, 0xe5, 0xca, 0x07, 0x37, 0xfd,
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{ 0x16, 0x22, 0xe1, 0xbc, 0x99, 0x4e, 0x01, 0xf0, 0xfa, 0xff, 0x8f, 0xa5,
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0x98, 0x83, 0x52, 0xe2, 0x25, 0xee, 0xe9, 0xf5, 0xe1, 0x17, 0xf0, 0x5c,
0xae, },
{ 0xc3, 0x76, 0x37, 0xde, 0x95, 0x8c, 0xca, 0x2b, 0x0c, 0x23, 0xe7, 0xb5,
0x38, 0x70, 0x61, 0xcc, 0xff, 0xd3, 0x95, 0x7b, 0xf3, 0xff, 0x1f, 0x9d,
0x59, 0x00, },
{ 0x0c, 0x19, 0x52, 0x05, 0x22, 0x53, 0xcb, 0x48, 0xd7, 0x10, 0x0e, 0x7e,
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0x5a, 0x2c, 0x3b, },
{ 0xe1, 0x9d, 0x70, 0x70, 0x28, 0xec, 0x86, 0x40, 0x55, 0x33, 0x56, 0xda,
0x88, 0xca, 0xee, 0xc8, 0x6a, 0x20, 0xb1, 0xe5, 0x3d, 0x57, 0xf8, 0x3c,
0x10, 0x07, 0x2a, 0xc4, },
{ 0x0b, 0xae, 0xf1, 0xc4, 0x79, 0xee, 0x1b, 0x3d, 0x27, 0x35, 0x8d, 0x14,
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0xee, 0xa1, 0x74, 0xd6, 0x71, },
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0x96, 0xcb, 0x13, 0xf9, 0xdf, 0xfd, },
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{ 0x30, 0xf1, 0xc4, 0x8e, 0x05, 0x90, 0x2a, 0x97, 0x63, 0x94, 0x46, 0xff,
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0x98, 0x9d, 0x76, 0x6c, 0x9d, 0xa8, 0xd6, 0x8a, },
{ 0xbe, },
{ 0x17, 0x6c, },
{ 0x1a, 0x42, 0x4f, },
{ 0xba, 0xaf, 0xb7, 0x65, },
{ 0xc2, 0x63, 0x43, 0x6a, 0xea, },
{ 0xe4, 0x4d, 0xad, 0xf2, 0x0b, 0x02, },
{ 0x04, 0xc7, 0xc4, 0x7f, 0xa9, 0x2b, 0xce, },
{ 0x66, 0xf6, 0x67, 0xcb, 0x03, 0x53, 0xc8, 0xf1, },
{ 0x56, 0xa3, 0x60, 0x78, 0xc9, 0x5f, 0x70, 0x1b, 0x5e, },
{ 0x99, 0xff, 0x81, 0x7c, 0x13, 0x3c, 0x29, 0x79, 0x4b, 0x65, },
{ 0x51, 0x10, 0x50, 0x93, 0x01, 0x93, 0xb7, 0x01, 0xc9, 0x18, 0xb7, },
{ 0x8e, 0x3c, 0x42, 0x1e, 0x5e, 0x7d, 0xc1, 0x50, 0x70, 0x1f, 0x00, 0x98, },
{ 0x5f, 0xd9, 0x9b, 0xc8, 0xd7, 0xb2, 0x72, 0x62, 0x1a, 0x1e, 0xba, 0x92,
0xe9, },
{ 0x70, 0x2b, 0xba, 0xfe, 0xad, 0x5d, 0x96, 0x3f, 0x27, 0xc2, 0x41, 0x6d,
0xc4, 0xb3, },
{ 0xae, 0xe0, 0xd5, 0xd4, 0xc7, 0xae, 0x15, 0x5e, 0xdc, 0xdd, 0x33, 0x60,
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{ 0x79, 0x8e, 0xbc, 0x9e, 0x20, 0xb9, 0x19, 0x4b, 0x63, 0x80, 0xf3, 0x16,
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{ 0xc2, 0x0e, 0x85, 0xa0, 0x0b, 0x9a, 0xb0, 0xec, 0xde, 0x38, 0xd3, 0x10,
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{ 0x0e, 0x3b, 0x75, 0x80, 0x67, 0x14, 0x0c, 0x02, 0x90, 0xd6, 0xb3, 0x02,
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{ 0x79, 0xb5, 0xe9, 0x5d, 0x52, 0x4d, 0xf7, 0x59, 0xf4, 0x2e, 0x27, 0xdd,
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0x26, },
{ 0xdf, 0x75, 0x16, 0x10, 0x1b, 0x5e, 0x81, 0xc3, 0xc8, 0xde, 0x34, 0x24,
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0xf4, 0x1d, },
{ 0xcd, 0x21, 0x93, 0x6e, 0x5b, 0xa0, 0x26, 0x2b, 0x21, 0x0e, 0xa0, 0xb9,
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0x4e, 0x29, 0x26, },
{ 0x73, 0x7f, 0x0e, 0x3b, 0x0b, 0x5c, 0xf9, 0x60, 0xaa, 0x88, 0xa1, 0x09,
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0x1a, 0x5b, 0xff, 0xc9, },
{ 0xd3, 0x3c, 0x61, 0x71, 0x44, 0x7e, 0x31, 0x74, 0x98, 0x9d, 0x9a, 0xd2,
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0xbf, 0xf6, 0xbe, 0x3c, 0x40, },
{ 0x31, 0x99, 0x31, 0x9f, 0xaa, 0x43, 0x2e, 0x77, 0x3e, 0x74, 0x26, 0x31,
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{ 0xa4, 0x27, 0x80, 0x67, 0x81, 0x2a, 0xa7, 0x62, 0xf7, 0x6e, 0xda, 0xd4,
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0x76, 0x70, 0x12, 0x44, 0xc4, 0xdb, 0xf5, 0x7a, },
{ 0x1f, },
{ 0x82, 0x60, },
{ 0xcc, 0xe3, 0x08, },
{ 0x56, 0x17, 0xe4, 0x59, },
{ 0xe2, 0xd7, 0x9e, 0xc4, 0x4c, },
{ 0xb2, 0xad, 0xd3, 0x78, 0x58, 0x5a, },
{ 0xce, 0x43, 0xb4, 0x02, 0x96, 0xab, 0x3c, },
{ 0xe6, 0x05, 0x1a, 0x73, 0x22, 0x32, 0xbb, 0x77, },
{ 0x23, 0xe7, 0xda, 0xfe, 0x2c, 0xef, 0x8c, 0x22, 0xec, },
{ 0xe9, 0x8e, 0x55, 0x38, 0xd1, 0xd7, 0x35, 0x23, 0x98, 0xc7, },
{ 0xb5, 0x81, 0x1a, 0xe5, 0xb5, 0xa5, 0xd9, 0x4d, 0xca, 0x41, 0xe7, },
{ 0x41, 0x16, 0x16, 0x95, 0x8d, 0x9e, 0x0c, 0xea, 0x8c, 0x71, 0x9a, 0xc1, },
{ 0x7c, 0x33, 0xc0, 0xa4, 0x00, 0x62, 0xea, 0x60, 0x67, 0xe4, 0x20, 0xbc,
0x5b, },
{ 0xdb, 0xb1, 0xdc, 0xfd, 0x08, 0xc0, 0xde, 0x82, 0xd1, 0xde, 0x38, 0xc0,
0x90, 0x48, },
{ 0x37, 0x18, 0x2e, 0x0d, 0x61, 0xaa, 0x61, 0xd7, 0x86, 0x20, 0x16, 0x60,
0x04, 0xd9, 0xd5, },
{ 0xb0, 0xcf, 0x2c, 0x4c, 0x5e, 0x5b, 0x4f, 0x2a, 0x23, 0x25, 0x58, 0x47,
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{ 0x91, 0xa0, 0xa3, 0x86, 0x4e, 0xe0, 0x72, 0x38, 0x06, 0x67, 0x59, 0x5c,
0x70, 0x25, 0xdb, 0x33, 0x27, },
{ 0x44, 0x58, 0x66, 0xb8, 0x58, 0xc7, 0x13, 0xed, 0x4c, 0xc0, 0xf4, 0x9a,
0x1e, 0x67, 0x75, 0x33, 0xb6, 0xb8, },
{ 0x7f, 0x98, 0x4a, 0x8e, 0x50, 0xa2, 0x5c, 0xcd, 0x59, 0xde, 0x72, 0xb3,
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{ 0x80, 0x96, 0x49, 0x1a, 0x59, 0xa2, 0xc5, 0xd5, 0xa7, 0x20, 0x8a, 0xb7,
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{ 0x6b, 0xb7, 0x2b, 0x26, 0x62, 0x14, 0x70, 0x19, 0x3d, 0x4d, 0xac, 0xac,
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{ 0x20, 0xa8, 0xc0, 0xfd, 0x63, 0x3d, 0x6e, 0x98, 0xcf, 0x0c, 0x49, 0x98,
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{ 0xc8, 0xe8, 0xdd, 0xdf, 0x69, 0x30, 0x01, 0xc2, 0x0f, 0x7e, 0x2f, 0x11,
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{ 0xdb, 0x61, 0xc0, 0xe2, 0x2e, 0x49, 0x07, 0x31, 0x1d, 0x91, 0x42, 0x8a,
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{ 0x0c, 0x89, 0x55, 0x0c, 0x1f, 0x59, 0x2c, 0x9d, 0x1b, 0x29, 0x1d, 0x41,
0x1d, 0xe6, 0x47, 0x8f, 0x8c, 0x2b, 0xea, 0x8f, 0xf0, 0xff, 0x21, 0x70,
0x88, },
{ 0x12, 0x18, 0x95, 0xa6, 0x59, 0xb1, 0x31, 0x24, 0x45, 0x67, 0x55, 0xa4,
0x1a, 0x2d, 0x48, 0x67, 0x1b, 0x43, 0x88, 0x2d, 0x8e, 0xa0, 0x70, 0xb3,
0xc6, 0xbb, },
{ 0xe7, 0xb1, 0x1d, 0xb2, 0x76, 0x4d, 0x68, 0x68, 0x68, 0x23, 0x02, 0x55,
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0x55, 0xfd, 0x4f, },
{ 0x8c, 0x87, 0x5a, 0x08, 0x3a, 0x73, 0xad, 0x61, 0xe1, 0xe7, 0x99, 0x7e,
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0x42, 0x64, 0x3b, 0x1a, },
{ 0x39, 0xc1, 0x99, 0xcf, 0x22, 0xbf, 0x16, 0x8f, 0x9f, 0x80, 0x7f, 0x95,
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0x1d, 0x60, 0x8f, 0x8a, 0x1d, },
{ 0x9b, 0x6e, 0x08, 0x09, 0x06, 0x73, 0xab, 0x68, 0x02, 0x62, 0x1a, 0xe4,
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{ 0x1d, 0xb4, 0xc6, 0xe1, 0xb1, 0x4b, 0xe3, 0xf2, 0xe2, 0x1a, 0x73, 0x1b,
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0xb0, 0xf7, 0xcc, 0x12, 0xfa, 0x35, 0x46, },
{ 0x49, 0x45, 0x97, 0x11, 0x0f, 0x1c, 0x60, 0x8e, 0xe8, 0x47, 0x30, 0xcf,
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0x24, 0xab, 0x37, 0xff, 0x83, 0xc2, 0xe1, 0x3a, },
{ 0x60, },
{ 0x24, 0x26, },
{ 0x47, 0xeb, 0xc9, },
{ 0x4a, 0xd0, 0xbc, 0xf0, },
{ 0x8e, 0x2b, 0xc9, 0x85, 0x3c, },
{ 0xa2, 0x07, 0x15, 0xb8, 0x12, 0x74, },
{ 0x0f, 0xdb, 0x5b, 0x33, 0x69, 0xfe, 0x4b, },
{ 0xa2, 0x86, 0x54, 0xf4, 0xfd, 0xb2, 0xd4, 0xe6, },
{ 0xbb, 0x84, 0x78, 0x49, 0x27, 0x8e, 0x61, 0xda, 0x60, },
{ 0x04, 0xc3, 0xcd, 0xaa, 0x8f, 0xa7, 0x03, 0xc9, 0xf9, 0xb6, },
{ 0xf8, 0x27, 0x1d, 0x61, 0xdc, 0x21, 0x42, 0xdd, 0xad, 0x92, 0x40, },
{ 0x12, 0x87, 0xdf, 0xc2, 0x41, 0x45, 0x5a, 0x36, 0x48, 0x5b, 0x51, 0x2b, },
{ 0xbb, 0x37, 0x5d, 0x1f, 0xf1, 0x68, 0x7a, 0xc4, 0xa5, 0xd2, 0xa4, 0x91,
0x8d, },
{ 0x5b, 0x27, 0xd1, 0x04, 0x54, 0x52, 0x9f, 0xa3, 0x47, 0x86, 0x33, 0x33,
0xbf, 0xa0, },
{ 0xcf, 0x04, 0xea, 0xf8, 0x03, 0x2a, 0x43, 0xff, 0xa6, 0x68, 0x21, 0x4c,
0xd5, 0x4b, 0xed, },
{ 0xaf, 0xb8, 0xbc, 0x63, 0x0f, 0x18, 0x4d, 0xe2, 0x7a, 0xdd, 0x46, 0x44,
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{ 0x3e, 0xdc, 0x36, 0xe4, 0x89, 0xb1, 0xfa, 0xc6, 0x40, 0x93, 0x2e, 0x75,
0xb2, 0x15, 0xd1, 0xb1, 0x10, },
{ 0x6c, 0xd8, 0x20, 0x3b, 0x82, 0x79, 0xf9, 0xc8, 0xbc, 0x9d, 0xe0, 0x35,
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{ 0x78, 0x65, 0x2c, 0xbe, 0x35, 0x67, 0xdc, 0x78, 0xd4, 0x41, 0xf6, 0xc9,
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{ 0x8a, 0x7f, 0xb1, 0x33, 0x8f, 0x0c, 0x3c, 0x0a, 0x06, 0x61, 0xf0, 0x47,
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{ 0x65, 0x91, 0xf1, 0xe6, 0xb3, 0x96, 0xd3, 0x8c, 0xc2, 0x4a, 0x59, 0x35,
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{ 0x5f, 0x08, 0x87, 0x80, 0x56, 0x25, 0x89, 0x77, 0x61, 0x8c, 0x64, 0xa1,
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{ 0x23, 0x87, 0x1d, 0xed, 0x6f, 0xf2, 0x91, 0x90, 0xe2, 0xfe, 0x43, 0x21,
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{ 0x90, 0x47, 0x9a, 0x9e, 0x3a, 0xdf, 0xf3, 0xc9, 0x4c, 0x1e, 0xa7, 0xd4,
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{ 0xb1, 0x67, 0x60, 0x45, 0xb0, 0x96, 0xc5, 0x15, 0x9f, 0x4d, 0x26, 0xd7,
0x9d, 0xf1, 0xf5, 0x6d, 0x21, 0x00, 0x94, 0x31, 0x64, 0x94, 0xd3, 0xa7,
0xd3, },
{ 0x02, 0x3e, 0xaf, 0xf3, 0x79, 0x73, 0xa5, 0xf5, 0xcc, 0x7a, 0x7f, 0xfb,
0x79, 0x2b, 0x85, 0x8c, 0x88, 0x72, 0x06, 0xbe, 0xfe, 0xaf, 0xc1, 0x16,
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{ 0x2a, 0xb0, 0x1a, 0xe5, 0xaa, 0x6e, 0xb3, 0xae, 0x53, 0x85, 0x33, 0x80,
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0x55, 0xd1, 0xa9, },
{ 0x90, 0xd8, 0x0c, 0xc0, 0x93, 0x4b, 0x4f, 0x9e, 0x65, 0x6c, 0xa1, 0x54,
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0xef, 0xb0, 0x00, 0x8d, },
{ 0xed, 0x9c, 0x49, 0xcd, 0xc2, 0xde, 0x38, 0x0e, 0xe9, 0x98, 0x6c, 0xc8,
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0x1c, 0x9f, 0x8b, 0xf3, 0xcb, },
{ 0xac, 0xe7, 0x92, 0x16, 0xb4, 0x14, 0xa0, 0xe4, 0x04, 0x79, 0xa2, 0xf4,
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{ 0x68, 0x63, 0x85, 0x57, 0x95, 0x9e, 0x42, 0x27, 0x41, 0x43, 0x42, 0x02,
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{ 0x7e, },
{ 0x1e, 0x21, },
{ 0x26, 0xd3, 0xdd, },
{ 0x2c, 0xd4, 0xb3, 0x3d, },
{ 0x86, 0x7b, 0x76, 0x3c, 0xf0, },
{ 0x12, 0xc3, 0x70, 0x1d, 0x55, 0x18, },
{ 0x96, 0xc2, 0xbd, 0x61, 0x55, 0xf4, 0x24, },
{ 0x20, 0x51, 0xf7, 0x86, 0x58, 0x8f, 0x07, 0x2a, },
{ 0x93, 0x15, 0xa8, 0x1d, 0xda, 0x97, 0xee, 0x0e, 0x6c, },
{ 0x39, 0x93, 0xdf, 0xd5, 0x0e, 0xca, 0xdc, 0x7a, 0x92, 0xce, },
{ 0x60, 0xd5, 0xfd, 0xf5, 0x1b, 0x26, 0x82, 0x26, 0x73, 0x02, 0xbc, },
{ 0x98, 0xf2, 0x34, 0xe1, 0xf5, 0xfb, 0x00, 0xac, 0x10, 0x4a, 0x38, 0x9f, },
{ 0xda, 0x3a, 0x92, 0x8a, 0xd0, 0xcd, 0x12, 0xcd, 0x15, 0xbb, 0xab, 0x77,
0x66, },
{ 0xa2, 0x92, 0x1a, 0xe5, 0xca, 0x0c, 0x30, 0x75, 0xeb, 0xaf, 0x00, 0x31,
0x55, 0x66, },
{ 0x06, 0xea, 0xfd, 0x3e, 0x86, 0x38, 0x62, 0x4e, 0xa9, 0x12, 0xa4, 0x12,
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{ 0xe4, 0x71, 0x7b, 0x94, 0xdb, 0xa0, 0xd2, 0xff, 0x9b, 0xeb, 0xad, 0x8e,
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{ 0x25, 0x5a, 0x77, 0x71, 0x41, 0x0e, 0x7a, 0xe9, 0xed, 0x0c, 0x10, 0xef,
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{ 0xee, 0xe2, 0xa3, 0x67, 0x64, 0x1d, 0xc6, 0x04, 0xc4, 0xe1, 0x68, 0xd2,
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{ 0xe0, 0xf6, 0x4d, 0x8f, 0x68, 0xfc, 0x06, 0x7e, 0x18, 0x79, 0x7f, 0x2b,
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{ 0x3d, 0x35, 0x88, 0x9f, 0x2e, 0xcf, 0x96, 0x45, 0x07, 0x60, 0x71, 0x94,
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{ 0x43, 0xcf, 0x98, 0xf7, 0x2d, 0xf4, 0x17, 0xe7, 0x8c, 0x05, 0x2d, 0x9b,
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{ 0x8e, 0x73, 0x9a, 0x78, 0x11, 0xfe, 0x48, 0xa0, 0x3b, 0x1a, 0x26, 0xdf,
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{ 0xe8, 0x47, 0x71, 0xc7, 0x3e, 0xdf, 0xb5, 0x13, 0xb9, 0x85, 0x13, 0xa8,
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{ 0xfb, 0xc0, 0x8c, 0x03, 0x21, 0xb3, 0xc4, 0xb5, 0x43, 0x32, 0x6c, 0xea,
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{ 0x55, 0xf8, 0xf3, 0x00, 0x76, 0x09, 0xef, 0x69, 0x5d, 0xd2, 0x8a, 0xf2,
0x65, 0xc3, 0xcb, 0x9b, 0x43, 0xfd, 0xb1, 0x7e, 0x7f, 0xa1, 0x94, 0xb0,
0xd7, },
{ 0xaa, 0x13, 0xc1, 0x51, 0x40, 0x6d, 0x8d, 0x4c, 0x0a, 0x95, 0x64, 0x7b,
0xd1, 0x96, 0xb6, 0x56, 0xb4, 0x5b, 0xcf, 0xd6, 0xd9, 0x15, 0x97, 0xdd,
0xb6, 0xef, },
{ 0xaf, 0xb7, 0x36, 0xb0, 0x04, 0xdb, 0xd7, 0x9c, 0x9a, 0x44, 0xc4, 0xf6,
0x1f, 0x12, 0x21, 0x2d, 0x59, 0x30, 0x54, 0xab, 0x27, 0x61, 0xa3, 0x57,
0xef, 0xf8, 0x53, },
{ 0x97, 0x34, 0x45, 0x3e, 0xce, 0x7c, 0x35, 0xa2, 0xda, 0x9f, 0x4b, 0x46,
0x6c, 0x11, 0x67, 0xff, 0x2f, 0x76, 0x58, 0x15, 0x71, 0xfa, 0x44, 0x89,
0x89, 0xfd, 0xf7, 0x99, },
{ 0x1f, 0xb1, 0x62, 0xeb, 0x83, 0xc5, 0x9c, 0x89, 0xf9, 0x2c, 0xd2, 0x03,
0x61, 0xbc, 0xbb, 0xa5, 0x74, 0x0e, 0x9b, 0x7e, 0x82, 0x3e, 0x70, 0x0a,
0xa9, 0x8f, 0x2b, 0x59, 0xfb, },
{ 0xf8, 0xca, 0x5e, 0x3a, 0x4f, 0x9e, 0x10, 0x69, 0x10, 0xd5, 0x4c, 0xeb,
0x1a, 0x0f, 0x3c, 0x6a, 0x98, 0xf5, 0xb0, 0x97, 0x5b, 0x37, 0x2f, 0x0d,
0xbd, 0x42, 0x4b, 0x69, 0xa1, 0x82, },
{ 0x12, 0x8c, 0x6d, 0x52, 0x08, 0xef, 0x74, 0xb2, 0xe6, 0xaa, 0xd3, 0xb0,
0x26, 0xb0, 0xd9, 0x94, 0xb6, 0x11, 0x45, 0x0e, 0x36, 0x71, 0x14, 0x2d,
0x41, 0x8c, 0x21, 0x53, 0x31, 0xe9, 0x68, },
{ 0xee, 0xea, 0x0d, 0x89, 0x47, 0x7e, 0x72, 0xd1, 0xd8, 0xce, 0x58, 0x4c,
0x94, 0x1f, 0x0d, 0x51, 0x08, 0xa3, 0xb6, 0x3d, 0xe7, 0x82, 0x46, 0x92,
0xd6, 0x98, 0x6b, 0x07, 0x10, 0x65, 0x52, 0x65, },
};
bool __init blake2s_selftest(void)
{
u8 key[BLAKE2S_KEY_SIZE];
u8 buf[ARRAY_SIZE(blake2s_testvecs)];
u8 hash[BLAKE2S_HASH_SIZE];
struct blake2s_state state;
bool success = true;
int i, l;
key[0] = key[1] = 1;
for (i = 2; i < sizeof(key); ++i)
key[i] = key[i - 2] + key[i - 1];
for (i = 0; i < sizeof(buf); ++i)
buf[i] = (u8)i;
for (i = l = 0; i < ARRAY_SIZE(blake2s_testvecs); l = (l + 37) % ++i) {
int outlen = 1 + i % BLAKE2S_HASH_SIZE;
int keylen = (13 * i) % (BLAKE2S_KEY_SIZE + 1);
blake2s(hash, buf, key + BLAKE2S_KEY_SIZE - keylen, outlen, i,
keylen);
if (memcmp(hash, blake2s_testvecs[i], outlen)) {
pr_err("blake2s self-test %d: FAIL\n", i + 1);
success = false;
}
if (!keylen)
blake2s_init(&state, outlen);
else
blake2s_init_key(&state, outlen,
key + BLAKE2S_KEY_SIZE - keylen,
keylen);
blake2s_update(&state, buf, l);
blake2s_update(&state, buf + l, i - l);
blake2s_final(&state, hash);
if (memcmp(hash, blake2s_testvecs[i], outlen)) {
pr_err("blake2s init/update/final self-test %d: FAIL\n",
i + 1);
success = false;
}
}
return success;
}

78
lib/crypto/blake2s.c Normal file
View File

@@ -0,0 +1,78 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*
* This is an implementation of the BLAKE2s hash and PRF functions.
*
* Information: https://blake2.net/
*
*/
#include <crypto/internal/blake2s.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/bug.h>
#include <asm/unaligned.h>
bool blake2s_selftest(void);
void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen)
{
const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen;
if (unlikely(!inlen))
return;
if (inlen > fill) {
memcpy(state->buf + state->buflen, in, fill);
blake2s_compress_generic(state, state->buf, 1,
BLAKE2S_BLOCK_SIZE);
state->buflen = 0;
in += fill;
inlen -= fill;
}
if (inlen > BLAKE2S_BLOCK_SIZE) {
const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE);
/* Hash one less (full) block than strictly possible */
blake2s_compress_generic(state, in, nblocks - 1,
BLAKE2S_BLOCK_SIZE);
in += BLAKE2S_BLOCK_SIZE * (nblocks - 1);
inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1);
}
memcpy(state->buf + state->buflen, in, inlen);
state->buflen += inlen;
}
EXPORT_SYMBOL(blake2s_update);
void blake2s_final(struct blake2s_state *state, u8 *out)
{
WARN_ON(IS_ENABLED(DEBUG) && !out);
blake2s_set_lastblock(state);
memset(state->buf + state->buflen, 0,
BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */
blake2s_compress_generic(state, state->buf, 1, state->buflen);
cpu_to_le32_array(state->h, ARRAY_SIZE(state->h));
memcpy(out, state->h, state->outlen);
memzero_explicit(state, sizeof(*state));
}
EXPORT_SYMBOL(blake2s_final);
static int __init mod_init(void)
{
if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) &&
WARN_ON(!blake2s_selftest()))
return -ENODEV;
return 0;
}
static void __exit mod_exit(void)
{
}
module_init(mod_init);
module_exit(mod_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("BLAKE2s hash function");
MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");

View File

@@ -133,18 +133,6 @@ EXPORT_SYMBOL(find_last_bit);
#ifdef __BIG_ENDIAN
/* include/linux/byteorder does not support "unsigned long" type */
static inline unsigned long ext2_swab(const unsigned long y)
{
#if BITS_PER_LONG == 64
return (unsigned long) __swab64((u64) y);
#elif BITS_PER_LONG == 32
return (unsigned long) __swab32((u32) y);
#else
#error BITS_PER_LONG not defined
#endif
}
#if !defined(find_next_bit_le) || !defined(find_next_zero_bit_le)
static unsigned long _find_next_bit_le(const unsigned long *addr,
unsigned long nbits, unsigned long start, unsigned long invert)
@@ -157,7 +145,7 @@ static unsigned long _find_next_bit_le(const unsigned long *addr,
tmp = addr[start / BITS_PER_LONG] ^ invert;
/* Handle 1st word. */
tmp &= ext2_swab(BITMAP_FIRST_WORD_MASK(start));
tmp &= swab(BITMAP_FIRST_WORD_MASK(start));
start = round_down(start, BITS_PER_LONG);
while (!tmp) {
@@ -168,7 +156,7 @@ static unsigned long _find_next_bit_le(const unsigned long *addr,
tmp = addr[start / BITS_PER_LONG] ^ invert;
}
return min(start + __ffs(ext2_swab(tmp)), nbits);
return min(start + __ffs(swab(tmp)), nbits);
}
#endif

View File

@@ -37,6 +37,9 @@
#include <linux/jiffies.h>
#include <linux/random.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/notifier.h>
#include <asm/unaligned.h>
/**
@@ -543,9 +546,11 @@ static void prandom_reseed(unsigned long dontcare)
* To avoid worrying about whether it's safe to delay that interrupt
* long enough to seed all CPUs, just schedule an immediate timer event.
*/
static void prandom_timer_start(struct random_ready_callback *unused)
static int prandom_timer_start(struct notifier_block *nb,
unsigned long action, void *data)
{
mod_timer(&seed_timer, jiffies);
return 0;
}
/*
@@ -554,13 +559,13 @@ static void prandom_timer_start(struct random_ready_callback *unused)
*/
static int __init prandom_init_late(void)
{
static struct random_ready_callback random_ready = {
.func = prandom_timer_start
static struct notifier_block random_ready = {
.notifier_call = prandom_timer_start
};
int ret = add_random_ready_callback(&random_ready);
int ret = register_random_ready_notifier(&random_ready);
if (ret == -EALREADY) {
prandom_timer_start(&random_ready);
prandom_timer_start(&random_ready, 0, NULL);
ret = 0;
}
return ret;

View File

@@ -9,6 +9,7 @@
#include <linux/export.h>
#include <linux/bitops.h>
#include <linux/cryptohash.h>
#include <linux/string.h>
#include <asm/unaligned.h>
/*
@@ -54,7 +55,8 @@
#define SHA_ROUND(t, input, fn, constant, A, B, C, D, E) do { \
__u32 TEMP = input(t); setW(t, TEMP); \
E += TEMP + rol32(A,5) + (fn) + (constant); \
B = ror32(B, 2); } while (0)
B = ror32(B, 2); \
TEMP = E; E = D; D = C; C = B; B = A; A = TEMP; } while (0)
#define T_0_15(t, A, B, C, D, E) SHA_ROUND(t, SHA_SRC, (((C^D)&B)^D) , 0x5a827999, A, B, C, D, E )
#define T_16_19(t, A, B, C, D, E) SHA_ROUND(t, SHA_MIX, (((C^D)&B)^D) , 0x5a827999, A, B, C, D, E )
@@ -81,6 +83,7 @@
void sha_transform(__u32 *digest, const char *data, __u32 *array)
{
__u32 A, B, C, D, E;
unsigned int i = 0;
A = digest[0];
B = digest[1];
@@ -89,94 +92,24 @@ void sha_transform(__u32 *digest, const char *data, __u32 *array)
E = digest[4];
/* Round 1 - iterations 0-16 take their input from 'data' */
T_0_15( 0, A, B, C, D, E);
T_0_15( 1, E, A, B, C, D);
T_0_15( 2, D, E, A, B, C);
T_0_15( 3, C, D, E, A, B);
T_0_15( 4, B, C, D, E, A);
T_0_15( 5, A, B, C, D, E);
T_0_15( 6, E, A, B, C, D);
T_0_15( 7, D, E, A, B, C);
T_0_15( 8, C, D, E, A, B);
T_0_15( 9, B, C, D, E, A);
T_0_15(10, A, B, C, D, E);
T_0_15(11, E, A, B, C, D);
T_0_15(12, D, E, A, B, C);
T_0_15(13, C, D, E, A, B);
T_0_15(14, B, C, D, E, A);
T_0_15(15, A, B, C, D, E);
for (; i < 16; ++i)
T_0_15(i, A, B, C, D, E);
/* Round 1 - tail. Input from 512-bit mixing array */
T_16_19(16, E, A, B, C, D);
T_16_19(17, D, E, A, B, C);
T_16_19(18, C, D, E, A, B);
T_16_19(19, B, C, D, E, A);
for (; i < 20; ++i)
T_16_19(i, A, B, C, D, E);
/* Round 2 */
T_20_39(20, A, B, C, D, E);
T_20_39(21, E, A, B, C, D);
T_20_39(22, D, E, A, B, C);
T_20_39(23, C, D, E, A, B);
T_20_39(24, B, C, D, E, A);
T_20_39(25, A, B, C, D, E);
T_20_39(26, E, A, B, C, D);
T_20_39(27, D, E, A, B, C);
T_20_39(28, C, D, E, A, B);
T_20_39(29, B, C, D, E, A);
T_20_39(30, A, B, C, D, E);
T_20_39(31, E, A, B, C, D);
T_20_39(32, D, E, A, B, C);
T_20_39(33, C, D, E, A, B);
T_20_39(34, B, C, D, E, A);
T_20_39(35, A, B, C, D, E);
T_20_39(36, E, A, B, C, D);
T_20_39(37, D, E, A, B, C);
T_20_39(38, C, D, E, A, B);
T_20_39(39, B, C, D, E, A);
for (; i < 40; ++i)
T_20_39(i, A, B, C, D, E);
/* Round 3 */
T_40_59(40, A, B, C, D, E);
T_40_59(41, E, A, B, C, D);
T_40_59(42, D, E, A, B, C);
T_40_59(43, C, D, E, A, B);
T_40_59(44, B, C, D, E, A);
T_40_59(45, A, B, C, D, E);
T_40_59(46, E, A, B, C, D);
T_40_59(47, D, E, A, B, C);
T_40_59(48, C, D, E, A, B);
T_40_59(49, B, C, D, E, A);
T_40_59(50, A, B, C, D, E);
T_40_59(51, E, A, B, C, D);
T_40_59(52, D, E, A, B, C);
T_40_59(53, C, D, E, A, B);
T_40_59(54, B, C, D, E, A);
T_40_59(55, A, B, C, D, E);
T_40_59(56, E, A, B, C, D);
T_40_59(57, D, E, A, B, C);
T_40_59(58, C, D, E, A, B);
T_40_59(59, B, C, D, E, A);
for (; i < 60; ++i)
T_40_59(i, A, B, C, D, E);
/* Round 4 */
T_60_79(60, A, B, C, D, E);
T_60_79(61, E, A, B, C, D);
T_60_79(62, D, E, A, B, C);
T_60_79(63, C, D, E, A, B);
T_60_79(64, B, C, D, E, A);
T_60_79(65, A, B, C, D, E);
T_60_79(66, E, A, B, C, D);
T_60_79(67, D, E, A, B, C);
T_60_79(68, C, D, E, A, B);
T_60_79(69, B, C, D, E, A);
T_60_79(70, A, B, C, D, E);
T_60_79(71, E, A, B, C, D);
T_60_79(72, D, E, A, B, C);
T_60_79(73, C, D, E, A, B);
T_60_79(74, B, C, D, E, A);
T_60_79(75, A, B, C, D, E);
T_60_79(76, E, A, B, C, D);
T_60_79(77, D, E, A, B, C);
T_60_79(78, C, D, E, A, B);
T_60_79(79, B, C, D, E, A);
for (; i < 80; ++i)
T_60_79(i, A, B, C, D, E);
digest[0] += A;
digest[1] += B;

View File

@@ -18,19 +18,13 @@
#include <asm/word-at-a-time.h>
#endif
#define SIPROUND \
do { \
v0 += v1; v1 = rol64(v1, 13); v1 ^= v0; v0 = rol64(v0, 32); \
v2 += v3; v3 = rol64(v3, 16); v3 ^= v2; \
v0 += v3; v3 = rol64(v3, 21); v3 ^= v0; \
v2 += v1; v1 = rol64(v1, 17); v1 ^= v2; v2 = rol64(v2, 32); \
} while (0)
#define SIPROUND SIPHASH_PERMUTATION(v0, v1, v2, v3)
#define PREAMBLE(len) \
u64 v0 = 0x736f6d6570736575ULL; \
u64 v1 = 0x646f72616e646f6dULL; \
u64 v2 = 0x6c7967656e657261ULL; \
u64 v3 = 0x7465646279746573ULL; \
u64 v0 = SIPHASH_CONST_0; \
u64 v1 = SIPHASH_CONST_1; \
u64 v2 = SIPHASH_CONST_2; \
u64 v3 = SIPHASH_CONST_3; \
u64 b = ((u64)(len)) << 56; \
v3 ^= key->key[1]; \
v2 ^= key->key[0]; \
@@ -389,19 +383,13 @@ u32 hsiphash_4u32(const u32 first, const u32 second, const u32 third,
}
EXPORT_SYMBOL(hsiphash_4u32);
#else
#define HSIPROUND \
do { \
v0 += v1; v1 = rol32(v1, 5); v1 ^= v0; v0 = rol32(v0, 16); \
v2 += v3; v3 = rol32(v3, 8); v3 ^= v2; \
v0 += v3; v3 = rol32(v3, 7); v3 ^= v0; \
v2 += v1; v1 = rol32(v1, 13); v1 ^= v2; v2 = rol32(v2, 16); \
} while (0)
#define HSIPROUND HSIPHASH_PERMUTATION(v0, v1, v2, v3)
#define HPREAMBLE(len) \
u32 v0 = 0; \
u32 v1 = 0; \
u32 v2 = 0x6c796765U; \
u32 v3 = 0x74656462U; \
u32 v0 = HSIPHASH_CONST_0; \
u32 v1 = HSIPHASH_CONST_1; \
u32 v2 = HSIPHASH_CONST_2; \
u32 v3 = HSIPHASH_CONST_3; \
u32 b = ((u32)(len)) << 24; \
v3 ^= key->key[1]; \
v2 ^= key->key[0]; \

View File

@@ -532,9 +532,14 @@ found:
*/
for (i = 0; i < nslots; i++)
io_tlb_orig_addr[index+i] = orig_addr + (i << IO_TLB_SHIFT);
if (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL)
swiotlb_bounce(orig_addr, tlb_addr, size, DMA_TO_DEVICE);
/*
* When dir == DMA_FROM_DEVICE we could omit the copy from the orig
* to the tlb buffer, if we knew for sure the device will
* overwirte the entire current content. But we don't. Thus
* unconditional bounce may prevent leaking swiotlb content (i.e.
* kernel memory) to user-space.
*/
swiotlb_bounce(orig_addr, tlb_addr, size, DMA_TO_DEVICE);
return tlb_addr;
}
EXPORT_SYMBOL_GPL(swiotlb_tbl_map_single);

View File

@@ -1548,19 +1548,21 @@ static void enable_ptr_key_workfn(struct work_struct *work)
static DECLARE_WORK(enable_ptr_key_work, enable_ptr_key_workfn);
static void fill_random_ptr_key(struct random_ready_callback *unused)
static int fill_random_ptr_key(struct notifier_block *nb,
unsigned long action, void *data)
{
/* This may be in an interrupt handler. */
queue_work(system_unbound_wq, &enable_ptr_key_work);
return 0;
}
static struct random_ready_callback random_ready = {
.func = fill_random_ptr_key
static struct notifier_block random_ready = {
.notifier_call = fill_random_ptr_key
};
static int __init initialize_ptr_random(void)
{
int ret = add_random_ready_callback(&random_ready);
int ret = register_random_ready_notifier(&random_ready);
if (!ret) {
return 0;

View File

@@ -11,6 +11,7 @@
#include <linux/mman.h>
#include <linux/hugetlb.h>
#include <linux/vmalloc.h>
#include <linux/random.h>
#include <asm/sections.h>
#include <asm/uaccess.h>
@@ -261,6 +262,38 @@ int vma_is_stack_for_current(struct vm_area_struct *vma)
return (vma->vm_start <= KSTK_ESP(t) && vma->vm_end >= KSTK_ESP(t));
}
/**
* randomize_page - Generate a random, page aligned address
* @start: The smallest acceptable address the caller will take.
* @range: The size of the area, starting at @start, within which the
* random address must fall.
*
* If @start + @range would overflow, @range is capped.
*
* NOTE: Historical use of randomize_range, which this replaces, presumed that
* @start was already page aligned. We now align it regardless.
*
* Return: A page aligned address within [start, start + range). On error,
* @start is returned.
*/
unsigned long randomize_page(unsigned long start, unsigned long range)
{
if (!PAGE_ALIGNED(start)) {
range -= PAGE_ALIGN(start) - start;
start = PAGE_ALIGN(start);
}
if (start > ULONG_MAX - range)
range = ULONG_MAX - start;
range >>= PAGE_SHIFT;
if (range == 0)
return start;
return start + (get_random_long() % range << PAGE_SHIFT);
}
#if defined(CONFIG_MMU) && !defined(HAVE_ARCH_PICK_MMAP_LAYOUT)
void arch_pick_mmap_layout(struct mm_struct *mm)
{

View File

@@ -62,7 +62,7 @@ __u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr,
}
EXPORT_SYMBOL(secure_tcpv6_sequence_number);
u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
u64 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
__be16 dport)
{
u32 secret[MD5_MESSAGE_BYTES / 4];
@@ -102,7 +102,7 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
return seq_scale(hash[0]);
}
u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
u64 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
{
u32 hash[MD5_DIGEST_WORDS];

View File

@@ -382,7 +382,7 @@ not_unique:
return -EADDRNOTAVAIL;
}
static u32 inet_sk_port_offset(const struct sock *sk)
static u64 inet_sk_port_offset(const struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
@@ -537,8 +537,21 @@ void inet_unhash(struct sock *sk)
}
EXPORT_SYMBOL_GPL(inet_unhash);
/* RFC 6056 3.3.4. Algorithm 4: Double-Hash Port Selection Algorithm
* Note that we use 32bit integers (vs RFC 'short integers')
* because 2^16 is not a multiple of num_ephemeral and this
* property might be used by clever attacker.
* RFC claims using TABLE_LENGTH=10 buckets gives an improvement, though
* attacks were since demonstrated, thus we use 65536 instead to really
* give more isolation and privacy, at the expense of 256kB of kernel
* memory.
*/
#define INET_TABLE_PERTURB_SHIFT 16
#define INET_TABLE_PERTURB_SIZE (1 << INET_TABLE_PERTURB_SHIFT)
static u32 *table_perturb;
int __inet_hash_connect(struct inet_timewait_death_row *death_row,
struct sock *sk, u32 port_offset,
struct sock *sk, u64 port_offset,
int (*check_established)(struct inet_timewait_death_row *,
struct sock *, __u16, struct inet_timewait_sock **))
{
@@ -550,7 +563,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
struct inet_bind_bucket *tb;
u32 remaining, offset;
int ret, i, low, high;
static u32 hint;
u32 index;
if (port) {
head = &hinfo->bhash[inet_bhashfn(net, port,
@@ -575,7 +588,13 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
if (likely(remaining > 1))
remaining &= ~1U;
offset = (hint + port_offset) % remaining;
net_get_random_once(table_perturb,
INET_TABLE_PERTURB_SIZE * sizeof(*table_perturb));
index = port_offset & (INET_TABLE_PERTURB_SIZE - 1);
offset = READ_ONCE(table_perturb[index]) + (port_offset >> 32);
offset %= remaining;
/* In first pass we try ports of @low parity.
* inet_csk_get_port() does the opposite choice.
*/
@@ -628,7 +647,13 @@ next_port:
return -EADDRNOTAVAIL;
ok:
hint += i + 2;
/* Here we want to add a little bit of randomness to the next source
* port that will be chosen. We use a max() with a random here so that
* on low contention the randomness is maximal and on high contention
* it may be inexistent.
*/
i = max_t(int, i, (prandom_u32() & 7) * 2);
WRITE_ONCE(table_perturb[index], READ_ONCE(table_perturb[index]) + i + 2);
/* Head lock still held and bh's disabled */
inet_bind_hash(sk, tb, port);
@@ -651,7 +676,7 @@ ok:
int inet_hash_connect(struct inet_timewait_death_row *death_row,
struct sock *sk)
{
u32 port_offset = 0;
u64 port_offset = 0;
if (!inet_sk(sk)->inet_num)
port_offset = inet_sk_port_offset(sk);
@@ -669,6 +694,15 @@ void inet_hashinfo_init(struct inet_hashinfo *h)
INIT_HLIST_NULLS_HEAD(&h->listening_hash[i].nulls_head,
i + LISTENING_NULLS_BASE);
}
if (h != &tcp_hashinfo)
return;
/* this one is used for source ports of outgoing connections */
table_perturb = kmalloc_array(INET_TABLE_PERTURB_SIZE,
sizeof(*table_perturb), GFP_KERNEL);
if (!table_perturb)
panic("TCP: failed to alloc table_perturb");
}
EXPORT_SYMBOL_GPL(inet_hashinfo_init);

View File

@@ -242,7 +242,7 @@ not_unique:
return -EADDRNOTAVAIL;
}
static u32 inet6_sk_port_offset(const struct sock *sk)
static u64 inet6_sk_port_offset(const struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
@@ -254,7 +254,7 @@ static u32 inet6_sk_port_offset(const struct sock *sk)
int inet6_hash_connect(struct inet_timewait_death_row *death_row,
struct sock *sk)
{
u32 port_offset = 0;
u64 port_offset = 0;
if (!inet_sk(sk)->inet_num)
port_offset = inet6_sk_port_offset(sk);

View File

@@ -517,14 +517,15 @@ static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
struct ipcm6_cookie ipc6;
int addr_len = msg->msg_namelen;
int transhdrlen = 4; /* zero session-id */
int ulen = len + transhdrlen;
int ulen;
int err;
/* Rough check on arithmetic overflow,
better check is made in ip6_append_data().
*/
if (len > INT_MAX)
if (len > INT_MAX - transhdrlen)
return -EMSGSIZE;
ulen = len + transhdrlen;
/* Mirror BSD error message compatibility */
if (msg->msg_flags & MSG_OOB)

View File

@@ -75,7 +75,7 @@ static unsigned int rpcrdma_max_call_header_size(unsigned int maxsegs)
/* Maximum Read list size */
maxsegs += 2; /* segment for head and tail buffers */
size = maxsegs * sizeof(struct rpcrdma_read_chunk);
size += maxsegs * sizeof(struct rpcrdma_read_chunk);
/* Minimal Read chunk size */
size += sizeof(__be32); /* segment count */
@@ -101,7 +101,7 @@ static unsigned int rpcrdma_max_reply_header_size(unsigned int maxsegs)
/* Maximum Write list size */
maxsegs += 2; /* segment for head and tail buffers */
size = sizeof(__be32); /* segment count */
size += sizeof(__be32); /* segment count */
size += maxsegs * sizeof(struct rpcrdma_segment);
size += sizeof(__be32); /* list discriminator */

View File

@@ -141,7 +141,9 @@ static DECLARE_TLV_DB_SCALE(mic_tlv, 1600, 100, 0);
static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
static DECLARE_TLV_DB_SCALE(mix_tlv, -50, 50, 0);
static DECLARE_TLV_DB_SCALE(pass_tlv, -6000, 50, 0);
static DECLARE_TLV_DB_SCALE(mix_tlv, -5150, 50, 0);
static DECLARE_TLV_DB_SCALE(beep_tlv, -56, 200, 0);
@@ -355,7 +357,7 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
CS42L52_SPKB_VOL, 0, 0x40, 0xC0, hl_tlv),
SOC_DOUBLE_R_SX_TLV("Bypass Volume", CS42L52_PASSTHRUA_VOL,
CS42L52_PASSTHRUB_VOL, 0, 0x88, 0x90, pga_tlv),
CS42L52_PASSTHRUB_VOL, 0, 0x88, 0x90, pass_tlv),
SOC_DOUBLE("Bypass Mute", CS42L52_MISC_CTL, 4, 5, 1, 0),
@@ -368,7 +370,7 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
CS42L52_ADCB_VOL, 0, 0xA0, 0x78, ipd_tlv),
SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume",
CS42L52_ADCA_MIXER_VOL, CS42L52_ADCB_MIXER_VOL,
0, 0x19, 0x7F, ipd_tlv),
0, 0x19, 0x7F, mix_tlv),
SOC_DOUBLE("ADC Switch", CS42L52_ADC_MISC_CTL, 0, 1, 1, 0),

View File

@@ -405,9 +405,9 @@ static const struct snd_kcontrol_new cs42l56_snd_controls[] = {
SOC_DOUBLE("ADC Boost Switch", CS42L56_GAIN_BIAS_CTL, 3, 2, 1, 1),
SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L56_HPA_VOLUME,
CS42L56_HPB_VOLUME, 0, 0x84, 0x48, hl_tlv),
CS42L56_HPB_VOLUME, 0, 0x44, 0x48, hl_tlv),
SOC_DOUBLE_R_SX_TLV("LineOut Volume", CS42L56_LOA_VOLUME,
CS42L56_LOB_VOLUME, 0, 0x84, 0x48, hl_tlv),
CS42L56_LOB_VOLUME, 0, 0x44, 0x48, hl_tlv),
SOC_SINGLE_TLV("Bass Shelving Volume", CS42L56_TONE_CTL,
0, 0x00, 1, tone_tlv),

View File

@@ -351,22 +351,22 @@ static const struct snd_kcontrol_new cs53l30_snd_controls[] = {
SOC_ENUM("ADC2 NG Delay", adc2_ng_delay_enum),
SOC_SINGLE_SX_TLV("ADC1A PGA Volume",
CS53L30_ADC1A_AFE_CTL, 0, 0x34, 0x18, pga_tlv),
CS53L30_ADC1A_AFE_CTL, 0, 0x34, 0x24, pga_tlv),
SOC_SINGLE_SX_TLV("ADC1B PGA Volume",
CS53L30_ADC1B_AFE_CTL, 0, 0x34, 0x18, pga_tlv),
CS53L30_ADC1B_AFE_CTL, 0, 0x34, 0x24, pga_tlv),
SOC_SINGLE_SX_TLV("ADC2A PGA Volume",
CS53L30_ADC2A_AFE_CTL, 0, 0x34, 0x18, pga_tlv),
CS53L30_ADC2A_AFE_CTL, 0, 0x34, 0x24, pga_tlv),
SOC_SINGLE_SX_TLV("ADC2B PGA Volume",
CS53L30_ADC2B_AFE_CTL, 0, 0x34, 0x18, pga_tlv),
CS53L30_ADC2B_AFE_CTL, 0, 0x34, 0x24, pga_tlv),
SOC_SINGLE_SX_TLV("ADC1A Digital Volume",
CS53L30_ADC1A_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv),
CS53L30_ADC1A_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv),
SOC_SINGLE_SX_TLV("ADC1B Digital Volume",
CS53L30_ADC1B_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv),
CS53L30_ADC1B_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv),
SOC_SINGLE_SX_TLV("ADC2A Digital Volume",
CS53L30_ADC2A_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv),
CS53L30_ADC2A_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv),
SOC_SINGLE_SX_TLV("ADC2B Digital Volume",
CS53L30_ADC2B_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv),
CS53L30_ADC2B_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv),
};
static const struct snd_soc_dapm_widget cs53l30_dapm_widgets[] = {

View File

@@ -3861,6 +3861,7 @@ static int wm8962_runtime_suspend(struct device *dev)
#endif
static const struct dev_pm_ops wm8962_pm = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
SET_RUNTIME_PM_OPS(wm8962_runtime_suspend, wm8962_runtime_resume, NULL)
};