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Steven Rostedt aecca7b459 ftrace: Do not add duplicate entries in subops manager ops 
commit 8eb4b09e0b upstream.

Check if a function is already in the manager ops of a subops. A manager
ops contains multiple subops, and if two or more subops are tracing the
same function, the manager ops only needs a single entry in its hash.

Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.226762894@goodmis.org
Fixes: 4f554e9556 ("ftrace: Add ftrace_set_filter_ips function")
Tested-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-03-07 16:56:40 +01:00
..
bpf
bpf: skip non exist keys in generic_map_lookup_batch
2025-03-07 16:56:38 +01:00
cgroup
cgroup: fix race between fork and cgroup.kill
2025-02-21 13:50:04 +01:00
configs
…
debug
kdb: Do not assume write() callback available
2025-02-21 13:50:09 +01:00
dma
dma-debug: fix a possible deadlock on radix_lock
2024-12-14 19:54:43 +01:00
entry
entry: Respect changes to system call number by trace_sys_enter()
2024-04-03 15:19:44 +02:00
events
uprobes: fix kernel info leak via "[uprobes]" vma
2024-10-17 15:22:05 +02:00
futex
futex: Don't include process MM in futex key on no-MMU
2023-11-20 11:51:50 +01:00
gcov
gcov: add support for GCC 14
2024-06-27 13:46:22 +02:00
irq
genirq: Make handle_enforce_irqctx() unconditionally available
2025-02-21 13:48:57 +01:00
kcsan
kcsan: Turn report_filterlist_lock into a raw_spinlock
2024-12-14 19:54:38 +01:00
livepatch
livepatch: Fix missing newline character in klp_resolve_symbols()
2023-11-20 11:52:10 +01:00
locking
lockdep: fix deadlock issue between lockdep and rcu
2024-10-17 15:21:27 +02:00
module
module: Fix KCOV-ignored file name
2024-10-17 15:21:27 +02:00
power
PM: hibernate: Add error handling for syscore_suspend()
2025-02-21 13:49:22 +01:00
printk
printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX
2025-02-21 13:49:30 +01:00
rcu
Revert "rcu-tasks: Fix access non-existent percpu rtpcp variable in rcu_tasks_need_gpcb()"
2025-01-02 10:30:55 +01:00
sched
sched: Don't try to catch up excess steal time.
2025-02-21 13:49:29 +01:00
time
clocksource: Use migrate_disable() to avoid calling get_random_u32() in atomic context
2025-02-21 13:50:06 +01:00
trace
ftrace: Do not add duplicate entries in subops manager ops
2025-03-07 16:56:40 +01:00
.gitignore
…
acct.c
acct: block access to kernel internal filesystems
2025-03-07 16:56:39 +01:00
async.c
async: Introduce async_schedule_dev_nocall()
2024-01-31 16:17:00 -08:00
audit_fsnotify.c
…
audit_tree.c
…
audit_watch.c
audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()
2023-11-28 17:07:08 +00:00
audit.c
audit: Send netlink ACK before setting connection in auditd_set
2024-02-05 20:12:47 +00:00
audit.h
…
auditfilter.c
ima: Avoid blocking in RCU read-side critical section
2024-07-11 12:47:16 +02:00
auditsc.c
audit,io_uring: io_uring openat triggers audit reference count underflow
2023-10-25 12:03:04 +02:00
backtracetest.c
…
bounds.c
bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS
2024-05-02 16:29:32 +02:00
capability.c
…
cfi.c
…
compat.c
sched_getaffinity: don't assume 'cpumask_size()' is fully initialized
2023-04-06 12:10:40 +02:00
configs.c
…
context_tracking.c
context_tracking: Fix noinstr vs KASAN
2023-03-10 09:33:45 +01:00
cpu_pm.c
…
cpu.c
hrtimers: Handle CPU state correctly on hotplug
2025-01-23 17:17:15 +01:00
crash_core.c
…
crash_dump.c
…
cred.c
cred: switch to using atomic_long_t
2023-12-20 17:00:20 +01:00
delayacct.c
…
dma.c
…
exec_domain.c
…
exit.c
mm: optimize the redundant loop of mm_update_owner_next()
2024-07-11 12:47:13 +02:00
extable.c
…
fail_function.c
kernel/fail_function: fix memory leak with using debugfs_lookup()
2023-03-11 13:55:39 +01:00
fork.c
posix-cpu-timers: Clear TICK_DEP_BIT_POSIX_TIMER on clone
2024-11-14 13:15:16 +01:00
freezer.c
…
gen_kheaders.sh
kheaders: Ignore silly-rename files
2025-01-23 17:17:11 +01:00
groups.c
…
hung_task.c
…
iomem.c
…
irq_work.c
…
jump_label.c
jump_label: Fix static_key_slow_dec() yet again
2024-10-17 15:21:29 +02:00
kallsyms_internal.h
kallsyms: Reduce the memory occupied by kallsyms_seqs_of_names[]
2023-10-25 12:03:16 +02:00
kallsyms.c
kallsyms: Add helper kallsyms_on_each_match_symbol()
2023-10-25 12:03:16 +02:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: mark in_softirq_really() as __always_inline
2025-01-09 13:30:05 +01:00
kexec_core.c
kexec: fix a memory leak in crash_shrink_memory()
2023-07-19 16:21:08 +02:00
kexec_elf.c
…
kexec_file.c
kexec: support purgatories with .text.hot sections
2023-06-21 16:00:55 +02:00
kexec_internal.h
…
kexec.c
kernel: kexec: copy user-array safely
2023-11-28 17:06:57 +00:00
kheaders.c
kheaders: Use array declaration instead of char
2023-05-11 23:03:02 +09:00
kmod.c
…
kprobes.c
kprobes: Fix to check symbol prefixes correctly
2024-08-14 13:52:54 +02:00
ksysfs.c
…
kthread.c
kthread: unpark only parked kthread
2024-10-17 15:22:28 +02:00
latencytop.c
…
Makefile
kernel/numa.c: Move logging out of numa.h
2024-06-12 11:03:16 +02:00
module_signature.c
…
notifier.c
…
nsproxy.c
…
numa.c
kernel/numa.c: Move logging out of numa.h
2024-06-12 11:03:16 +02:00
padata.c
padata: avoid UAF for reorder_work
2025-02-21 13:49:09 +01:00
panic.c
panic: Flush kernel log buffer at the end
2024-04-13 13:04:54 +02:00
params.c
…
pid_namespace.c
pid: Replace struct pid 1-element array with flex-array
2024-08-29 17:30:18 +02:00
pid.c
pid: Replace struct pid 1-element array with flex-array
2024-08-29 17:30:18 +02:00
profile.c
profiling: remove profile=sleep support
2024-08-14 13:52:50 +02:00
ptrace.c
…
range.c
…
reboot.c
kernel/reboot: emergency_restart: Set correct system_state
2023-11-28 17:07:13 +00:00
regset.c
…
relay.c
relayfs: fix out-of-bounds access in relay_file_read
2023-05-11 23:03:03 +09:00
resource_kunit.c
…
resource.c
resource: fix region_intersects() vs add_memory_driver_managed()
2024-10-17 15:21:55 +02:00
rseq.c
rseq: Use pr_warn_once() when deprecated/unknown ABI flags are encountered
2022-11-14 09:58:32 +01:00
scftorture.c
scftorture: Forgive memory-allocation failure if KASAN
2023-09-23 11:11:00 +02:00
scs.c
…
seccomp.c
…
signal.c
signal: restore the override_rlimit logic
2024-11-14 13:15:18 +01:00
smp.c
smp: Add missing destroy_work_on_stack() call in smp_call_on_cpu()
2024-09-12 11:10:24 +02:00
smpboot.c
…
smpboot.h
…
softirq.c
softirq: Allow raising SCHED_SOFTIRQ from SMP-call-function on RT kernel
2025-02-01 18:30:06 +01:00
stackleak.c
…
stacktrace.c
…
static_call_inline.c
x86/static-call: provide a way to do very early static-call updates
2024-12-19 18:08:58 +01:00
static_call.c
…
stop_machine.c
…
sys_ni.c
syscalls: fix compat_sys_io_pgetevents_time64 usage
2024-07-05 09:31:59 +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
proc: proc_skip_spaces() shouldn't think it is working on C strings
2022-12-05 12:09:06 -08:00
task_work.c
task_work: Introduce task_work_cancel() again
2024-08-03 08:49:34 +02:00
taskstats.c
…
torture.c
torture: Fix hang during kthread shutdown phase
2023-03-10 09:34:07 +01:00
tracepoint.c
…
tsacct.c
…
ucount.c
ucounts: fix counter leak in inc_rlimit_get_ucounts()
2024-11-14 13:15:19 +01:00
uid16.c
…
uid16.h
…
umh.c
freezer,umh: Fix call_usermode_helper_exec() vs SIGKILL
2023-02-22 12:59:50 +01:00
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 17:06:57 +00:00
watchdog_hld.c
watchdog/perf: properly initialize the turbo mode timestamp and rearm counter
2024-08-03 08:49:42 +02:00
watchdog.c
watchdog: move softlockup_panic back to early_param
2023-11-28 17:07:09 +00:00
workqueue_internal.h
…
workqueue.c
workqueue: Improve scalability of workqueue watchdog touch
2024-09-12 11:10:27 +02:00