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kernel_realme_nemo/kernel
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Phil Chang ceb48d2491 hrtimer: Prevent queuing of hrtimer without a function callback 
[ Upstream commit 5a830bbce3af16833fe0092dec47b6dd30279825 ]

The hrtimer function callback must not be NULL. It has to be specified by
the call side but it is not validated by the hrtimer code. When a hrtimer
is queued without a function callback, the kernel crashes with a null
pointer dereference when trying to execute the callback in __run_hrtimer().

Introduce a validation before queuing the hrtimer in
hrtimer_start_range_ns().

[anna-maria: Rephrase commit message]

Signed-off-by: Phil Chang <phil.chang@mediatek.com>
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit ccef3adcb84816a30b8e535c8c4fcb167904e7b1)
[Vegard: fix conflicts in context due to missing commit
 138a6b7ae4dedde5513678f57b275eee19c41b6a ("hrtimer: Factor out
 __hrtimer_start_range_ns()").]
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
2025-12-24 11:21:29 +00:00
..
bpf
bpf: Fix stackmap overflow check on 32-bit arches
2025-12-24 11:17:31 +00:00
cgroup
sched/fair: Allow disabling sched_balance_newidle with sched_relax_domain_level
2025-12-24 11:20:30 +00:00
configs
kernel: Import oplus changes
2021-12-25 18:05:37 +05:30
debug
kdb: Use the passed prompt in kdb_position_cursor()
2025-12-24 11:21:13 +00:00
events
perf: Prevent passing zero nr_pages to rb_alloc_aux()
2025-12-24 11:21:06 +00:00
gcov
gcov: add support for GCC 14
2025-12-24 11:20:48 +00:00
irq
treewide: Suppress overly verbose log spam
2025-08-31 22:18:28 +05:30
keventupload
kernel: Import oplus changes
2021-12-25 18:05:37 +05:30
livepatch
livepatch: fix race between fork and KLP transition
2022-10-26 13:16:57 +02:00
locking
treewide: Drop OPLUS_FEATURE_HUNG_TASK_ENHANCE
2024-03-05 23:02:35 +05:30
power
PM: suspend: Set mem_sleep_current during kernel command line setup
2025-12-24 11:19:56 +00:00
printk
printk: Update @console_may_schedule in console_trylock_spinning()
2025-12-24 11:20:02 +00:00
rcu
rcutorture: Fix rcu_torture_one_read() pipe_count overflow comment
2025-12-24 11:20:46 +00:00
sched
sched/fair: Allow disabling sched_balance_newidle with sched_relax_domain_level
2025-12-24 11:20:30 +00:00
special_opt
kernel: Import oplus changes
2021-12-25 18:05:37 +05:30
time
hrtimer: Prevent queuing of hrtimer without a function callback
2025-12-24 11:21:29 +00:00
trace
tracing: Fix overflow in get_free_elt()
2025-12-24 11:21:21 +00:00
uifirst
kernel: Fix Wimplicit-int
2022-08-17 15:18:46 +05:30
.gitignore
…
acct.c
acct: fix potential integer overflow in encode_comp_t()
2023-01-18 09:26:30 +01:00
async.c
treewide: Remove uninitialized_var() usage
2023-08-11 11:33:32 +02:00
audit_fsnotify.c
audit: fix potential double free on error path from fsnotify_add_inode_mark
2022-09-05 10:25:02 +02:00
audit_tree.c
…
audit_watch.c
audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()
2023-11-28 16:45:44 +00:00
audit.c
audit: Send netlink ACK before setting connection in auditd_set
2025-12-24 11:17:01 +00:00
audit.h
audit: fix a net reference leak in audit_list_rules_send()
2020-06-20 10:25:10 +02:00
auditfilter.c
audit: fix a net reference leak in audit_list_rules_send()
2020-06-20 10:25:10 +02:00
auditsc.c
audit: fix possible soft lockup in __audit_inode_child()
2023-09-23 10:46:56 +02:00
backtracetest.c
…
bounds.c
…
capability.c
…
cfi.c
kernel: Import oplus changes
2021-12-25 18:05:37 +05:30
compat.c
sched_getaffinity: don't assume 'cpumask_size()' is fully initialized
2023-04-05 11:14:19 +02:00
configs.c
…
context_tracking.c
…
cpu_pm.c
kernel: Import oplus changes
2021-12-25 18:05:37 +05:30
cpu.c
kernel/cpu: Silence abundance of logspam
2025-09-21 09:20:42 +00:00
crash_core.c
…
crash_dump.c
…
cred.c
cred: switch to using atomic_long_t
2023-12-20 15:32:35 +01:00
delayacct.c
…
dma.c
…
exec_domain.c
…
exit.c
mm: optimize the redundant loop of mm_update_owner_next()
2025-12-24 11:20:57 +00:00
extable.c
kernel/extable.c: use address-of operator on section symbols
2023-06-09 10:22:53 +02:00
fork.c
BACKPORT: cgroup: cgroup v2 freezer
2023-10-31 18:44:28 +05:30
freezer.c
…
futex.c
Merge '4.14.322' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git into lineage-20
2023-08-20 12:32:54 +05:30
gen_kheaders.sh
[ALPS04973279] cpio: set relative path for kernel
2020-05-22 20:19:37 +08:00
groups.c
…
hung_task.c
treewide: Drop OPLUS_FEATURE_HUNG_TASK_ENHANCE
2024-03-05 23:02:35 +05:30
irq_work.c
[ALPS04993096] sched_mon: implement schedule monitor v2
2020-03-22 19:33:11 +08:00
jump_label.c
…
kallsyms.c
ANDROID: kallsyms: strip hashes from function names with ThinLTO
2020-01-29 17:06:43 -08:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
kernel: Kconfig.hz: add interface for setting 50Hz tick rate
2024-01-13 17:19:48 +05:30
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
BACKPORT: kcov: remote coverage support
2020-01-13 19:40:11 +00:00
kexec_core.c
kexec: fix a memory leak in crash_shrink_memory()
2023-08-11 11:33:34 +02:00
kexec_file.c
kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add]
2022-07-02 16:18:11 +02:00
kexec_internal.h
…
kexec.c
…
kheaders.c
…
kmod.c
kmod: make request_module() return an error when autoloading is disabled
2020-04-24 08:00:44 +02:00
kprobes.c
kprobes: Fix possible use-after-free issue on kprobe registration
2025-12-24 11:20:10 +00:00
ksysfs.c
…
kthread.c
kthread: prevent deadlock when kthread_mod_delayed_work() races with kthread_cancel_delayed_work_sync()
2021-07-11 12:48:13 +02:00
latencytop.c
…
Makefile
kernel: Use the stock defconfig for /proc/config.gz
2025-09-21 09:20:42 +00:00
memremap.c
…
module_signing.c
…
module-internal.h
…
module.c
Merge '4.14.326' of https://android.googlesource.com/kernel/common into lineage-20
2023-10-31 18:41:02 +05:30
notifier.c
x86/mm: split vmalloc_sync_all()
2020-04-02 16:34:20 +02:00
nsproxy.c
…
padata.c
crypto: pcrypt - Fix hungtask for PADATA_RESET
2023-11-28 16:45:43 +00:00
panic_flush.c
kernel: Import oplus changes
2021-12-25 18:05:37 +05:30
panic.c
treewide: Drop OPLUS_FEATURE_PHOENIX
2024-03-05 23:06:18 +05:30
params.c
params: lift param_set_uint_minmax to common code
2025-12-24 11:20:33 +00:00
pid_namespace.c
memcg: enable accounting for pids in nested pid namespaces
2021-09-22 11:45:32 +02:00
pid.c
…
profile.c
profiling: fix shift too large makes kernel panic
2022-08-25 11:11:24 +02:00
ptrace.c
ptrace: Reimplement PTRACE_KILL by always sending SIGKILL
2022-06-14 16:53:43 +02:00
range.c
…
reboot.c
reboot: fix overflow parsing reboot cpu number
2020-11-18 18:28:02 +01:00
relay.c
kernel/relay.c: fix memleak on destroy relay channel
2020-08-26 10:29:54 +02:00
resource.c
[ALPS04120147] Security: Google Patch [CVE-2015-8944][CVE-2014-9900]
2020-03-03 01:59:31 +08:00
scs.c
ANDROID: scs: fix recursive spinlock in scs_check_usage
2020-06-02 16:13:43 +00:00
seccomp.c
seccomp: Invalidate seccomp mode to catch death failures
2022-02-16 12:44:52 +01:00
signal.c
treewide: Drop OPPO/OPLUS HANS
2024-03-13 19:48:50 +05:30
smp.c
Merge branch 'android-4.14-stable' of https://android.googlesource.com/kernel/common into lineage-19.1
2022-04-28 21:02:36 +05:30
smpboot.c
kthread: Extract KTHREAD_IS_PER_CPU
2021-02-07 14:47:41 +01:00
smpboot.h
…
softirq.c
Merge branch 'deprecated/android-4.14-stable' of https://android.googlesource.com/kernel/common into fourteen
2024-02-17 18:12:52 +05:30
stacktrace.c
…
stop_machine.c
[ALPS04150619] sched/hmp: Replace stopper thread wakeup function
2020-03-03 02:02:12 +08:00
sys_ni.c
sys_ni: Remove duplicate cond_syscall(sys_madvise) entry
2022-08-17 15:18:33 +05:30
sys.c
getrusage: use sig->stats_lock rather than lock_task_sighand()
2025-12-24 11:17:25 +00:00
sysctl_binary.c
…
sysctl.c
sched/rt: Disallow writing invalid values to sched_rt_period_us
2025-12-24 11:17:16 +00:00
task_work.c
…
taskstats.c
taskstats: fix data-race
2020-01-09 10:17:53 +01:00
test_kprobes.c
…
torture.c
…
tracepoint.c
tracepoint: Do not fail unregistering a probe due to memory failure
2021-03-03 18:22:47 +01:00
tsacct.c
taskstats: Cleanup the use of task->exit_code
2022-02-23 11:57:34 +01:00
ucount.c
…
uid16.c
…
umh.c
usermodehelper: reset umask to default before executing user process
2020-10-14 09:51:10 +02:00
up.c
smp: Fix smp_call_function_single_async prototype
2021-05-22 10:57:35 +02:00
user_namespace.c
…
user-return-notifier.c
…
user.c
…
utsname_sysctl.c
…
utsname.c
…
watchdog_hld.c
watchdog/perf: properly initialize the turbo mode timestamp and rearm counter
2025-12-24 11:21:12 +00:00
watchdog.c
watchdog/softlockup: Enforce that timestamp is valid on boot
2020-02-28 16:36:05 +01:00
workqueue_internal.h
…
workqueue.c
scsi: zfcp: workqueue: set description for port work items with their WWPN as context
2025-12-24 11:17:49 +00:00