Yun Zhou 7ad5c2f4df seq_buf: Fix overflow in seq_buf_putmem_hex() ...

commit d3b16034a24a112bb83aeb669ac5b9b01f744bb7 upstream.

There's two variables being increased in that loop (i and j), and i
follows the raw data, and j follows what is being written into the buffer.
We should compare 'i' to MAX_MEMHEX_BYTES or compare 'j' to HEX_CHARS.
Otherwise, if 'j' goes bigger than HEX_CHARS, it will overflow the
destination buffer.

Link: https://lore.kernel.org/lkml/20210625122453.5e2fe304@oasis.local.home/
Link: https://lkml.kernel.org/r/20210626032156.47889-1-yun.zhou@windriver.com

Cc: stable@vger.kernel.org
Fixes: 5e3ca0ec76 ("ftrace: introduce the "hex" output method")
Signed-off-by: Yun Zhou <yun.zhou@windriver.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-07-20 16:22:40 +02:00

..

842

crypto: 842 - Add CRC and validation support

2015-10-14 22:23:17 +08:00

fonts

Fonts: Replace discarded const qualifier

2020-11-10 10:22:19 +01:00

lz4

lib: lz4: fixed zram with lz4 on big endian machines

2016-05-04 14:48:41 -07:00

lzo

lzo: check for length overrun in variable length encoding.

2014-09-28 11:08:01 +02:00

mpi

lib/mpi: Fix 64-bit MIPS build with Clang

2020-06-20 10:23:20 +02:00

raid6

lib: raid6: fix awk build warnings

2019-12-21 10:35:22 +01:00

reed_solomon

rslib: Fix handling of of caller provided syndrome

2019-08-04 09:34:48 +02:00

xz

lib/xz: enable all filters by default in Kconfig

2014-06-04 16:54:18 -07:00

zlib_deflate

zlib_deflate/deftree: remove bi_reverse()

2015-09-10 13:29:01 -07:00

zlib_inflate

lib/zlib: remove outdated and incorrect pre-increment optimization

2020-06-29 20:07:53 -04:00

.gitignore

…

argv_split.c

argv_split(): teach it to handle mutable strings

2013-04-29 18:28:19 -07:00

asn1_decoder.c

ASN.1: check for error from ASN1_OP_END__ACT actions

2017-12-16 10:33:48 +01:00

assoc_array.c

assoc_array: Fix shortcut creation

2019-03-23 08:44:33 +01:00

atomic64_test.c

x86/cpufeature: Carve out X86_FEATURE_*

2018-07-17 11:31:44 +02:00

atomic64.c

atomic: Provide atomic_{or,xor,and}

2015-07-27 14:06:24 +02:00

audit.c

syscalls: implement execveat() system call

2014-12-13 12:42:51 -08:00

bcd.c

…

bch.c

…

bitmap.c

bitmap: Add bitmap_alloc(), bitmap_zalloc() and bitmap_free()

2020-01-29 10:21:52 +01:00

bitrev.c

ARM: 8187/1: add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction

2014-12-22 16:43:06 +00:00

bsearch.c

kprobes: Prohibit probing on bsearch()

2019-04-27 09:33:51 +02:00

btree.c

treewide: Remove old email address

2015-11-23 09:44:58 +01:00

bug.c

module: Sanitize RCU usage and locking

2015-05-28 11:31:52 +09:30

build_OID_registry

X.509: do not emit any informational output

2013-06-19 17:54:06 +02:00

bust_spinlocks.c

…

check_signature.c

…

checksum.c

lib/checksum.c: fix build for generic csum_tcpudp_nofold

2015-01-29 11:57:38 -08:00

clz_ctz.c

lib/clz_ctz.c: add prototype declarations in lib/clz_ctz.c

2014-04-03 16:21:12 -07:00

clz_tab.c

…

cmdline.c

lib/cmdline.c: fix get_options() overflow while parsing ranges

2017-06-29 12:48:51 +02:00

compat_audit.c

audit: Add generic compat syscall support

2014-03-20 10:11:35 -04:00

cordic.c

…

cpu_rmap.c

sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()

2015-05-27 15:22:15 +02:00

cpu-notifier-error-inject.c

…

cpumask.c

sched/fair, cpumask: Export for_each_cpu_wrap()

2020-05-27 16:40:27 +02:00

crc7.c

lib/crc7: Shift crc7() output left 1 bit

2014-05-16 14:26:52 -04:00

crc8.c

…

crc16.c

…

crc32.c

lib/crc32.c: fix trivial typo in preprocessor condition

2020-10-29 09:03:06 +01:00

crc32defs.h

…

crc-ccitt.c

…

crc-itu-t.c

lib: crc-itu-t.[ch] fix 0x0x prefix in integer constants

2015-05-26 15:26:43 +02:00

crc-t10dif.c

lib: introduce crc_t10dif_update()

2015-05-30 22:42:24 -07:00

ctype.c

…

debug_info.c

kbuild: include core debug info when DEBUG_INFO_REDUCED

2015-06-11 15:08:32 +02:00

debug_locks.c

locking/lockdep: Fix debug_locks off performance problem

2018-11-21 09:27:31 +01:00

debugobjects.c

debugobjects: avoid recursive calls with kmemleak

2018-12-17 21:55:12 +01:00

dec_and_lock.c

…

decompress_bunzip2.c

lib/decompressors: use real out buf size for gunzip with kernel

2015-09-10 13:29:01 -07:00

decompress_inflate.c

lib/decompressors: use real out buf size for gunzip with kernel

2015-09-10 13:29:01 -07:00

decompress_unlz4.c

lib/decompressors: use real out buf size for gunzip with kernel

2015-09-10 13:29:01 -07:00

decompress_unlzma.c

lib/decompress_unlzma: Do a NULL check for pointer

2015-09-10 13:29:01 -07:00

decompress_unlzo.c

lib/decompressors: use real out buf size for gunzip with kernel

2015-09-10 13:29:01 -07:00

decompress_unxz.c

lib/decompressors: use real out buf size for gunzip with kernel

2015-09-10 13:29:01 -07:00

decompress.c

lib/decompress: set the compressor name to NULL on error

2015-07-17 16:39:54 -07:00

devres.c

devres: allow const resource arguments

2020-01-29 10:21:45 +01:00

digsig.c

lib/digsig: fix dereference of NULL user_key_payload

2017-10-27 10:23:17 +02:00

div64.c

lib/div64.c: off by one in shift

2019-04-27 09:33:59 +02:00

dma-debug.c

dma-debug: add a schedule point in debug_dma_dump_mappings()

2020-01-04 13:34:27 +01:00

dump_stack.c

dump_stack: avoid the livelock of the dump_lock

2019-11-12 19:13:19 +01:00

dynamic_debug.c

dyndbg: fix a BUG_ON in ddebug_describe_flags

2020-08-21 10:52:59 +02:00

dynamic_queue_limits.c

lib/dynamic_queue_limits.c: simplify includes

2015-02-12 18:54:15 -08:00

earlycpio.c

earlycpio.c: Fix the confusing comment of find_cpio_data().

2013-08-14 23:24:01 +02:00

extable.c

…

fault-inject.c

fault-inject: fix inverted interval/probability values in printk

2015-10-23 17:55:10 +09:00

fdt_empty_tree.c

lib: add fdt_empty_tree.c

2014-04-30 19:49:37 +01:00

fdt_ro.c

…

fdt_rw.c

…

fdt_strerror.c

…

fdt_sw.c

…

fdt_wip.c

…

fdt.c

…

find_bit.c

lib: rename lib/find_next_bit.c to lib/find_bit.c

2015-04-17 09:03:54 -04:00

flex_array.c

reciprocal_divide: update/correction of the algorithm

2014-01-21 23:17:20 -08:00

flex_proportions.c

proportions: add @gfp to init functions

2014-09-08 09:51:30 +09:00

gcd.c

…

gen_crc32table.c

lib: crc32: constify crc32 lookup table

2015-02-13 21:21:35 -08:00

genalloc.c

lib/genalloc: fix the overflow when size is too big

2021-01-12 19:47:54 +01:00

glob.c

lib/glob.c: add CONFIG_GLOB_SELFTEST

2014-08-06 18:01:25 -07:00

halfmd4.c

lib/halfmd4.c: use rol32 inline function in the ROUND macro

2015-11-06 17:50:42 -08:00

hexdump.c

lib/hexdump.c: truncate output in case of overflow

2015-11-06 17:50:42 -08:00

hweight.c

x86/hweight: Get rid of the special calling convention

2018-04-24 09:32:04 +02:00

idr.c

mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd

2015-11-06 17:50:42 -08:00

inflate.c

…

int_sqrt.c

lib/int_sqrt: optimize initial value compute

2019-04-27 09:33:47 +02:00

interval_tree_test.c

lib/interval_tree_test.c: allow users to limit scope of endpoint

2018-12-21 14:09:49 +01:00

interval_tree.c

lib/interval_tree.c: simplify includes

2015-02-12 18:54:15 -08:00

iomap_copy.c

…

iomap.c

Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP

2014-04-07 16:36:11 -07:00

iommu-common.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

2015-11-05 16:34:48 -08:00

iommu-helper.c

…

ioremap.c

ioremap: Update pgtable free interfaces with addr

2018-08-17 20:56:45 +02:00

iov_iter.c

iov_iter_fault_in_readable() should do nothing in xarray case

2021-07-20 16:22:30 +02:00

irq_regs.c

…

is_single_threaded.c

lib/is_single_threaded.c: change current_is_single_threaded() to use for_each_thread()

2015-11-06 17:50:42 -08:00

jedec_ddr_data.c

…

kasprintf.c

lib/kasprintf.c: introduce kvasprintf_const

2015-11-06 17:50:42 -08:00

Kconfig

lib: sw842: select crc32

2016-03-03 15:07:24 -08:00

Kconfig.debug

kmemleak: increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE default to 16K

2019-10-07 21:01:03 +02:00

Kconfig.kasan

mm, slub, kasan: enable user tracking by default with KASAN=y

2015-11-05 19:34:48 -08:00

Kconfig.kgdb

kdb: Allow access to sensitive commands to be restricted by default

2014-11-11 09:31:52 -06:00

Kconfig.kmemcheck

…

kfifo.c

Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"

2020-01-29 10:21:47 +01:00

klist.c

scsi: klist: Make it safe to use klists in atomic context

2018-10-10 08:52:05 +02:00

kobject_uevent.c

kobject_uevent: remove warning in init_uevent_argv()

2021-05-22 10:38:29 +02:00

kobject.c

kobject: Export kobject_get_unless_zero()

2020-01-14 20:02:59 +01:00

kstrtox.c

lib: add "on"/"off" support to kstrtobool

2016-10-28 03:01:31 -04:00

kstrtox.h

…

lcm.c

block: fix blk_stack_limits() regression due to lcm() change

2015-03-31 09:45:50 -06:00

libcrc32c.c

crypto: crc32c - Fix crc32c soft dependency

2016-02-17 12:31:04 -08:00

list_debug.c

…

list_sort.c

lib/list_sort: use late_initcall to hook in self tests

2015-06-16 14:12:35 -04:00

llist.c

lib/llist.c: fix data race in llist_del_first

2015-11-06 17:50:42 -08:00

locking-selftest-hardirq.h

…

locking-selftest-mutex.h

…

locking-selftest-rlock-hardirq.h

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locking-selftest-rlock-softirq.h

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locking-selftest-rlock.h

…

locking-selftest-rsem.h

…

locking-selftest-softirq.h

…

locking-selftest-spin-hardirq.h

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locking-selftest-spin-softirq.h

…

locking-selftest-spin.h

…

locking-selftest-wlock-hardirq.h

…

locking-selftest-wlock-softirq.h

…

locking-selftest-wlock.h

…

locking-selftest-wsem.h

…

locking-selftest.c

locking/lockdep: Revert qrwlock recusive stuff

2014-10-03 06:09:30 +02:00

lockref.c

locking/lockref: Remove homebrew cmpxchg64_relaxed() macro definition

2015-08-12 11:59:04 +02:00

lru_cache.c

lru_cache: remove use of seq_printf return value

2015-04-15 16:35:25 -07:00

Makefile

siphash: add cryptographically secure PRF

2019-09-06 10:18:12 +02:00

md5.c

lib/md5.c: simplify include

2015-02-12 18:54:15 -08:00

memory-notifier-error-inject.c

…

memweight.c

…

net_utils.c

mac_pton: Use bool not int return

2014-06-25 17:45:43 -07:00

nlattr.c

netlink: pad nla_memcpy dest buffer with zeroes

2015-03-31 14:07:24 -04:00

nmi_backtrace.c

ARM: 8439/1: Fix backtrace generation when IPI is masked

2015-10-03 16:40:51 +01:00

notifier-error-inject.c

…

notifier-error-inject.h

…

of-reconfig-notifier-error-inject.c

…

oid_registry.c

509: fix printing uninitialized stack memory when OID is empty

2018-02-25 11:03:40 +01:00

once.c

once: make helper generic for calling functions once

2015-10-08 05:26:36 -07:00

parser.c

lib/parser.c: put EXPORT_SYMBOLs in the conventional place

2014-01-23 16:36:55 -08:00

pci_iomap.c

Merge tag 'libnvdimm-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

2015-09-08 14:35:59 -07:00

percpu_counter.c

percpu_counter: batch size aware __percpu_counter_compare()

2015-05-29 07:39:34 +10:00

percpu_ida.c

mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM

2015-11-06 17:50:42 -08:00

percpu_test.c

percpu: add test module for various percpu operations

2013-11-13 12:09:11 +09:00

percpu-refcount.c

percpu_ref: make INIT_ATOMIC and switch_to_atomic() sticky

2014-09-24 13:31:50 -04:00

plist.c

lib/plist.c: remove redundant include

2015-02-12 18:54:16 -08:00

pm-notifier-error-inject.c

…

proportions.c

treewide: Remove old email address

2015-11-23 09:44:58 +01:00

radix-tree.c

radix-tree: fix race in gang lookup

2016-02-25 12:01:23 -08:00

random32.c

random32: make prandom_u32() output unpredictable

2020-11-18 18:25:02 +01:00

ratelimit.c

…

rational.c

…

rbtree_test.c

lib/rbtree-test: lower default params

2018-12-21 14:09:49 +01:00

rbtree.c

rbtree: Make lockless searches non-fatal

2015-05-28 11:32:04 +09:30

reciprocal_div.c

reciprocal_divide: update/correction of the algorithm

2014-01-21 23:17:20 -08:00

rhashtable.c

rhashtable: add schedule points

2019-02-08 11:25:31 +01:00

scatterlist.c

lib/scatterlist.c: adjust indentation in __sg_alloc_table

2020-02-28 15:39:09 +01:00

seq_buf.c

seq_buf: Fix overflow in seq_buf_putmem_hex()

2021-07-20 16:22:40 +02:00

sg_split.c

lib: scatterlist: add sg splitting function

2015-08-24 14:28:01 -06:00

sha1.c

lib: EXPORT_SYMBOL sha_init

2015-03-23 22:12:08 -04:00

show_mem.c

lib/show_mem.c: correct reserved memory calculation

2015-09-08 15:35:28 -07:00

siphash.c

siphash: implement HalfSipHash1-3 for hash tables

2019-09-06 10:18:13 +02:00

smp_processor_id.c

percpu: add preemption checks to __this_cpu ops

2014-04-07 16:36:14 -07:00

sort.c

lib/sort: Add 64 bit swap function

2015-06-25 17:00:40 -07:00

stmp_device.c

lib/stmp_device.c: replace module.h include

2015-02-12 18:54:16 -08:00

string_helpers.c

string_helpers: fix precision loss for some inputs

2016-02-25 12:01:21 -08:00

string.c

lib/string: Add strscpy_pad() function

2021-02-23 13:58:12 +01:00

strncpy_from_user.c

mm/uaccess: Use 'unsigned long' to placate UBSAN warnings on older GCC versions

2019-06-11 12:23:56 +02:00

strnlen_user.c

mm/uaccess: Use 'unsigned long' to placate UBSAN warnings on older GCC versions

2019-06-11 12:23:56 +02:00

swiotlb.c

swiotlb: fix "x86: Don't panic if can not alloc buffer for swiotlb"

2020-11-18 18:25:01 +01:00

syscall.c

lib/syscall.c: unexport task_current_syscall()

2014-04-03 16:21:06 -07:00

test_bpf.c

bpf: fix selftests/bpf test_kmod.sh failure when CONFIG_BPF_JIT_ALWAYS_ON=y

2018-05-30 07:48:56 +02:00

test_firmware.c

test: firmware_class: report errors properly on failure

2017-11-15 17:13:13 +01:00

test_kasan.c

lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more()

2020-02-14 16:29:55 -05:00

test_module.c

test: add minimal module for verification testing

2014-01-23 16:36:57 -08:00

test_printf.c

test_printf: test printf family at runtime

2015-11-06 17:50:42 -08:00

test_rhashtable.c

rhashtable-test: extend to test concurrency

2015-08-17 14:33:47 -07:00

test_siphash.c

siphash: implement HalfSipHash1-3 for hash tables

2019-09-06 10:18:13 +02:00

test_static_key_base.c

locking/static_keys: Provide a selftest

2015-08-03 11:51:12 +02:00

test_static_keys.c

locking/static_keys: Make verify_keys() static

2015-08-05 09:53:40 +02:00

test_user_copy.c

usercopy: Adjust tests to deal with SMAP/PAN

2017-06-14 13:16:27 +02:00

test-hexdump.c

test_hexdump: use memcpy instead of strncpy

2019-02-20 10:13:14 +01:00

test-kstrtox.c

kstrto*: accept "-0" for signed conversion

2015-09-10 13:29:01 -07:00

test-string_helpers.c

lib/test-string_helpers.c: fix and improve string_get_size() tests

2016-05-11 11:21:26 +02:00

textsearch.c

lib/textsearch.c: remove textsearch_put reference from comments

2014-10-14 02:18:14 +02:00

timerqueue.c

timerqueue: Let timerqueue_add/del return information

2015-04-22 17:06:49 +02:00

ts_bm.c

…

ts_fsm.c

…

ts_kmp.c

…

ucs2_string.c

lib/ucs2_string: Correct ucs2 -> utf8 conversion

2016-03-03 15:07:09 -08:00

usercopy.c

Kconfig: consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECKS

2013-04-30 17:04:09 -07:00

uuid.c

uuid: use prandom_bytes()

2013-04-29 18:28:42 -07:00

vsprintf.c

lib/vsprintf: Remove atomic-unsafe support for %pCr

2018-07-03 11:21:27 +02:00