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guoweikang 885109aa0c ftrace: Fix regression with module command in stack_trace_filter 
commit 45af52e7d3 upstream.

When executing the following command:

    # echo "write*:mod:ext3" > /sys/kernel/tracing/stack_trace_filter

The current mod command causes a null pointer dereference. While commit
0f17976568 ("ftrace: Fix regression with module command in stack_trace_filter")
has addressed part of the issue, it left a corner case unhandled, which still
results in a kernel crash.

Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/20241120052750.275463-1-guoweikang.kernel@gmail.com
Fixes: 04ec7bb642 ("tracing: Have the trace_array hold the list of registered func probes");
Signed-off-by: guoweikang <guoweikang.kernel@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-12-14 19:50:33 +01:00
..
bpf
bpf: use kvzmalloc to allocate BPF verifier environment
2024-11-17 15:06:25 +01:00
cgroup
cgroup: Fix potential overflow issue when checking max_depth
2024-11-08 16:25:51 +01:00
configs
…
debug
kdb: Use the passed prompt in kdb_position_cursor()
2024-08-19 05:45:22 +02:00
dma
dma-mapping: benchmark: Don't starve others when doing the test
2024-09-12 11:07:48 +02:00
entry
entry: Respect changes to system call number by trace_sys_enter()
2024-04-10 16:18:46 +02:00
events
uprobes: fix kernel info leak via "[uprobes]" vma
2024-10-17 15:11:45 +02:00
futex
futex: Don't include process MM in futex key on no-MMU
2023-11-20 11:08:13 +01:00
gcov
gcov: add support for GCC 14
2024-07-05 09:14:34 +02:00
irq
genirq/irqdesc: Honor caller provided affinity in alloc_desc()
2024-08-19 05:45:46 +02:00
kcsan
kcsan: Don't expect 64 bits atomic builtins from 32 bits architectures
2023-07-23 13:47:12 +02:00
livepatch
livepatch: Fix missing newline character in klp_resolve_symbols()
2023-11-20 11:08:25 +01:00
locking
lockdep: fix deadlock issue between lockdep and rcu
2024-10-17 15:11:18 +02:00
power
PM: suspend: Set mem_sleep_current during kernel command line setup
2024-04-10 16:18:36 +02:00
printk
printk: Update @console_may_schedule in console_trylock_spinning()
2024-04-10 16:18:47 +02:00
rcu
rcuscale: Provide clear error when async specified without primitives
2024-10-17 15:11:29 +02:00
sched
sched/smt: Fix unbalance sched_smt_present dec/inc
2024-08-19 05:45:47 +02:00
time
posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime()
2024-11-01 01:52:37 +01:00
trace
ftrace: Fix regression with module command in stack_trace_filter
2024-12-14 19:50:33 +01:00
.gitignore
…
acct.c
…
async.c
async: Introduce async_schedule_dev_nocall()
2024-02-23 08:54:25 +01:00
audit_fsnotify.c
fsnotify: make allow_dups a property of the group
2024-04-10 16:19:02 +02:00
audit_tree.c
fsnotify: pass flags argument to fsnotify_alloc_group()
2024-04-10 16:19:02 +02:00
audit_watch.c
fsnotify: pass flags argument to fsnotify_alloc_group()
2024-04-10 16:19:02 +02:00
audit.c
audit: Send netlink ACK before setting connection in auditd_set
2024-02-23 08:54:37 +01:00
audit.h
…
auditfilter.c
ima: Avoid blocking in RCU read-side critical section
2024-07-18 13:07:34 +02:00
auditsc.c
audit: fix possible soft lockup in __audit_inode_child()
2023-09-19 12:22:39 +02:00
backtracetest.c
…
bounds.c
bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS
2024-05-02 16:24:50 +02:00
capability.c
…
cfi.c
…
compat.c
…
configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
cpu/hotplug: Fix dynstate assignment in __cpuhp_setup_state_cpuslocked()
2024-07-05 09:14:48 +02:00
crash_core.c
…
crash_dump.c
…
cred.c
cred: switch to using atomic_long_t
2023-12-20 15:17:37 +01:00
delayacct.c
…
dma.c
…
exec_domain.c
…
exit.c
mm: optimize the redundant loop of mm_update_owner_next()
2024-07-18 13:07:32 +02:00
extable.c
…
fail_function.c
…
fork.c
posix-cpu-timers: Clear TICK_DEP_BIT_POSIX_TIMER on clone
2024-11-14 13:13:39 +01:00
freezer.c
…
gen_kheaders.sh
kheaders: explicitly define file modes for archived headers
2024-07-05 09:14:37 +02:00
groups.c
…
hung_task.c
…
iomem.c
…
irq_work.c
…
jump_label.c
…
kallsyms.c
kallsyms: Make kallsyms_on_each_symbol generally available
2023-12-13 18:36:45 +01:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: properly check for softirq context
2024-08-19 05:45:46 +02:00
kexec_core.c
kexec: fix a memory leak in crash_shrink_memory()
2023-07-23 13:46:52 +02:00
kexec_elf.c
…
kexec_file.c
kexec: support purgatories with .text.hot sections
2023-06-21 15:59:14 +02:00
kexec_internal.h
panic, kexec: make __crash_kexec() NMI safe
2023-04-20 12:13:57 +02:00
kexec.c
kernel: kexec: copy user-array safely
2023-11-28 16:56:16 +00:00
kheaders.c
kheaders: Use array declaration instead of char
2023-05-11 23:00:17 +09:00
kmod.c
…
kprobes.c
kprobes: Fix to check symbol prefixes correctly
2024-08-19 05:45:42 +02:00
ksysfs.c
kexec: turn all kexec_mutex acquisitions into trylocks
2023-04-20 12:13:57 +02:00
kthread.c
kthread: unpark only parked kthread
2024-10-17 15:12:00 +02:00
latencytop.c
…
Makefile
…
module_signature.c
…
module_signing.c
…
module-internal.h
…
module.c
NFSD: Remove svc_serv_ops::svo_module
2024-04-10 16:19:01 +02:00
notifier.c
…
nsproxy.c
…
padata.c
padata: use integer wrap around to prevent deadlock on seq_nr overflow
2024-10-17 15:11:16 +02:00
panic.c
panic: Flush kernel log buffer at the end
2024-04-13 13:01:43 +02:00
params.c
…
pid_namespace.c
zap_pid_ns_processes: clear TIF_NOTIFY_SIGNAL along with TIF_SIGPENDING
2024-07-05 09:14:24 +02:00
pid.c
…
profile.c
profiling: remove profile=sleep support
2024-08-19 05:45:39 +02:00
ptrace.c
…
range.c
…
reboot.c
kernel/reboot: emergency_restart: Set correct system_state
2023-11-28 16:56:31 +00:00
regset.c
…
relay.c
relayfs: fix out-of-bounds access in relay_file_read
2023-05-11 23:00:18 +09:00
resource_kunit.c
…
resource.c
resource: fix region_intersects() vs add_memory_driver_managed()
2024-10-17 15:11:59 +02:00
rseq.c
…
scftorture.c
scftorture: Forgive memory-allocation failure if KASAN
2023-09-23 11:09:55 +02:00
scs.c
…
seccomp.c
…
signal.c
signal: Replace BUG_ON()s
2024-10-17 15:11:27 +02:00
smp.c
smp: Add missing destroy_work_on_stack() call in smp_call_on_cpu()
2024-09-12 11:07:49 +02:00
smpboot.c
…
smpboot.h
…
softirq.c
softirq: Fix suspicious RCU usage in __do_softirq()
2024-06-16 13:39:15 +02:00
stackleak.c
…
stacktrace.c
…
static_call_inline.c
static_call: Replace pointless WARN_ON() in static_call_module_notify()
2024-10-17 15:11:19 +02:00
static_call.c
…
stop_machine.c
…
sys_ni.c
syscalls: fix compat_sys_io_pgetevents_time64 usage
2024-07-05 09:14:50 +02:00
sys.c
getrusage: use sig->stats_lock rather than lock_task_sighand()
2024-03-15 10:48:22 -04:00
sysctl-test.c
…
sysctl.c
sched/rt: Disallow writing invalid values to sched_rt_period_us
2024-03-01 13:21:43 +01:00
task_work.c
task_work: Introduce task_work_cancel() again
2024-08-19 05:45:13 +02:00
taskstats.c
…
test_kprobes.c
…
torture.c
torture: Fix hang during kthread shutdown phase
2023-08-30 16:18:19 +02:00
tracepoint.c
…
tsacct.c
…
ucount.c
ucounts: fix counter leak in inc_rlimit_get_ucounts()
2024-11-14 13:13:42 +01:00
uid16.c
…
uid16.h
…
umh.c
…
up.c
…
user_namespace.c
…
user-return-notifier.c
…
user.c
…
usermode_driver.c
…
utsname_sysctl.c
…
utsname.c
…
watch_queue.c
kernel: watch_queue: copy user-array safely
2023-11-28 16:56:16 +00:00
watchdog_hld.c
watchdog/perf: properly initialize the turbo mode timestamp and rearm counter
2024-08-19 05:45:20 +02:00
watchdog.c
watchdog: move softlockup_panic back to early_param
2023-11-28 16:56:28 +00:00
workqueue_internal.h
…
workqueue.c
workqueue: Improve scalability of workqueue watchdog touch
2024-09-12 11:07:52 +02:00