Josh PoimboeufandGreg Kroah-Hartman 5c63fb0b38 perf: Skip user unwind if the task is a kernel thread ...

[ Upstream commit 16ed389227 ]

If the task is not a user thread, there's no user stack to unwind.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250820180428.930791978@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-11-02 22:14:40 +09:00

..

bpf

bpf: Avoid RCU context warning when unpinning htab with internal structs

2025-10-19 16:30:45 +02:00

cgroup

cgroup: split cgroup_destroy_wq into 3 workqueues

2025-09-25 11:00:05 +02:00

configs

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debug

kdb: Use the passed prompt in kdb_position_cursor()

2024-08-03 08:54:34 +02:00

dma

dma-debug: don't report false positives with DMA_BOUNCE_UNALIGNED_KMALLOC

2025-10-29 14:07:02 +01:00

entry

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events

perf: Skip user unwind if the task is a kernel thread

2025-11-02 22:14:40 +09:00

futex

futex: Prevent use-after-free during requeue-PI

2025-10-02 13:42:52 +02:00

gcov

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irq

genirq: Make handle_enforce_irqctx() unconditionally available

2025-02-08 09:51:48 +01:00

kcsan

kcsan: test: Initialize dummy variable

2025-08-15 12:08:49 +02:00

livepatch

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locking

locking/lockdep: Decrease nr_unused_locks if lock unused in zap_class()

2025-04-25 10:45:29 +02:00

module

module: Prevent silent truncation of module name in delete_module(2)

2025-08-28 16:28:28 +02:00

power

PM: sleep: console: Fix the black screen issue

2025-08-28 16:28:17 +02:00

printk

printk: Check CON_SUSPEND when unblanking a console

2025-06-04 14:42:00 +02:00

rcu

rcu-tasks: Maintain real-time response in rcu_tasks_postscan()

2025-09-19 16:32:03 +02:00

sched

sched: Remove never used code in mm_cid_get()

2025-10-29 14:07:04 +01:00

time

hrtimers: Unconditionally update target CPU base after offline timer migration

2025-09-19 16:32:07 +02:00

trace

tracing: Fix race condition in kprobe initialization causing NULL pointer dereference

2025-10-19 16:30:58 +02:00

.gitignore

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acct.c

acct: block access to kernel internal filesystems

2025-02-27 04:10:52 -08:00

async.c

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audit_fsnotify.c

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audit_tree.c

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audit_watch.c

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audit.c

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audit.h

audit,module: restore audit logging in load failure case

2025-08-15 12:08:39 +02:00

auditfilter.c

ima: Avoid blocking in RCU read-side critical section

2024-07-11 12:49:18 +02:00

auditsc.c

audit,module: restore audit logging in load failure case

2025-08-15 12:08:39 +02:00

backtracetest.c

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bounds.c

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capability.c

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cfi.c

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compat.c

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configs.c

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context_tracking.c

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cpu_pm.c

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cpu.c

hrtimers: Handle CPU state correctly on hotplug

2025-01-23 17:21:17 +01:00

crash_core.c

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crash_dump.c

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cred.c

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delayacct.c

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dma.c

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exec_domain.c

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exit.c

perf: Fix sample vs do_exit()

2025-06-27 11:09:03 +01:00

extable.c

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fail_function.c

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fork.c

copy_sighand: Handle architectures where sizeof(unsigned long) < sizeof(u64)

2025-10-19 16:30:48 +02:00

freezer.c

sched,freezer: Remove unnecessary warning in __thaw_task

2025-08-15 12:09:07 +02:00

gen_kheaders.sh

kheaders: Ignore silly-rename files

2025-01-23 17:21:13 +01:00

groups.c

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hung_task.c

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iomem.c

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irq_work.c

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jump_label.c

jump_label: Fix static_key_slow_dec() yet again

2024-10-10 11:57:13 +02:00

kallsyms_internal.h

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kallsyms_selftest.c

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kallsyms_selftest.h

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kallsyms.c

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kcmp.c

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Kconfig.freezer

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Kconfig.hz

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Kconfig.kexec

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Kconfig.locks

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Kconfig.preempt

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kcov.c

kcov: mark in_softirq_really() as __always_inline

2025-01-09 13:32:07 +01:00

kexec_core.c

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kexec_elf.c

kexec: initialize ELF lowest address to ULONG_MAX

2025-04-10 14:37:34 +02:00

kexec_file.c

kexec_file: fix elfcorehdr digest exclusion when CONFIG_CRASH_HOTPLUG=y

2024-09-12 11:11:27 +02:00

kexec_internal.h

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kexec.c

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kheaders.c

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kprobes.c

kprobes: Fix to check symbol prefixes correctly

2024-08-14 13:58:51 +02:00

ksyms_common.c

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ksysfs.c

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kthread.c

kthread: unpark only parked kthread

2024-10-17 15:24:37 +02:00

latencytop.c

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Makefile

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module_signature.c

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notifier.c

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nsproxy.c

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numa.c

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padata.c

padata: Reset next CPU when reorder sequence wraps around

2025-10-23 16:16:41 +02:00

panic.c

objtool, panic: Disable SMAP in __stack_chk_fail()

2025-05-02 07:50:55 +02:00

params.c

module: ensure that kobject_put() is safe for module type kobjects

2025-05-18 08:24:08 +02:00

pid_namespace.c

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pid_sysctl.h

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pid.c

pid: Add a judgment for ns null in pid_nr_ns

2025-10-19 16:31:01 +02:00

profile.c

profiling: remove profile=sleep support

2024-08-14 13:58:47 +02:00

ptrace.c

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range.c

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reboot.c

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regset.c

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relay.c

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resource_kunit.c

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resource.c

resource: fix false warning in __request_region()

2025-08-01 09:47:31 +01:00

rseq.c

rseq: Protect event mask against membarrier IPI

2025-10-19 16:30:59 +02:00

scftorture.c

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scs.c

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seccomp.c

seccomp: Fix a race with WAIT_KILLABLE_RECV if the tracer replies too fast

2025-10-15 11:57:48 +02:00

signal.c

posix-timers: Target group sigqueue to current task only if not exiting

2024-12-09 10:33:11 +01:00

smp.c

smp: Fix up and expand the smp_call_function_many() kerneldoc

2025-10-15 11:57:53 +02:00

smpboot.c

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smpboot.h

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softirq.c

lockdep: Fix wait context check on softirq for PREEMPT_RT

2025-06-04 14:41:55 +02:00

stackleak.c

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stacktrace.c

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static_call_inline.c

x86/static-call: provide a way to do very early static-call updates

2024-12-19 18:11:36 +01:00

static_call.c

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stop_machine.c

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sys_ni.c

syscalls: fix compat_sys_io_pgetevents_time64 usage

2024-07-05 09:34:04 +02:00

sys.c

kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths

2025-10-19 16:30:50 +02:00

sysctl-test.c

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sysctl.c

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task_work.c

task_work: make TWA_NMI_CURRENT handling conditional on IRQ_WORK

2024-11-01 01:58:34 +01:00

taskstats.c

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torture.c

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tracepoint.c

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tsacct.c

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ucount.c

ucount: fix atomic_long_inc_below() argument type

2025-08-15 12:08:57 +02:00

uid16.c

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uid16.h

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umh.c

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up.c

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user_namespace.c

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user-return-notifier.c

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user.c

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usermode_driver.c

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utsname_sysctl.c

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utsname.c

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vhost_task.c

vhost: Take a reference on the task in struct vhost_task.

2025-10-02 13:42:51 +02:00

watch_queue.c

watch_queue: fix pipe accounting mismatch

2025-04-10 14:37:25 +02:00

watchdog_buddy.c

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watchdog_perf.c

watchdog/perf: properly initialize the turbo mode timestamp and rearm counter

2024-08-03 08:54:29 +02:00

watchdog.c

watchdog: fix watchdog may detect false positive of softlockup

2025-06-27 11:08:49 +01:00

workqueue_internal.h

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workqueue.c

workqueue: Do not warn when cancelling WQ_MEM_RECLAIM work from !WQ_MEM_RECLAIM worker

2025-01-17 13:36:25 +01:00