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linux/kernel/sched
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Mathieu Desnoyers bbd0b03150 sched/rseq: Fix concurrency ID handling of usermodehelper kthreads 
sched_mm_cid_after_execve() does not expect NULL t->mm, but it may happen
if a usermodehelper kthread fails when attempting to execute a binary.

sched_mm_cid_fork() can be issued from a usermodehelper kthread, which
has t->flags PF_KTHREAD set.

Fixes: af7f588d8f73 ("sched: Introduce per-memory-map concurrency ID")
Reported-by: kernel test robot <yujie.liu@intel.com>
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/oe-lkp/202212301353.5c959d72-yujie.liu@intel.com
2023-01-02 16:34:12 +01:00
..
autogroup.c
sched/all: Change all BUG_ON() instances in the scheduler to WARN_ON_ONCE()
2022-08-12 11:25:10 +02:00
autogroup.h
sched/headers: Add header guard to kernel/sched/stats.h and kernel/sched/autogroup.h
2022-02-23 08:22:00 +01:00
build_policy.c
sched: Fix missing prototype warnings
2022-05-01 10:03:43 +02:00
build_utility.c
sched: Fix missing prototype warnings
2022-05-01 10:03:43 +02:00
clock.c
sched/clock: Use try_cmpxchg64 in sched_clock_{local,remote}
2022-05-19 23:46:09 +02:00
completion.c
sched/completion: Add wait_for_completion_state()
2022-09-07 21:53:49 +02:00
core_sched.c
sched: Rename task_running() to task_on_cpu()
2022-09-07 21:53:47 +02:00
core.c
sched/rseq: Fix concurrency ID handling of usermodehelper kthreads
2023-01-02 16:34:12 +01:00
cpuacct.c
Merge branch 'sched/fast-headers' into sched/core
2022-03-15 09:05:05 +01:00
cpudeadline.c
sched/core: Introduce sched_asym_cpucap_active()
2022-08-02 12:32:45 +02:00
cpudeadline.h
…
cpufreq_schedutil.c
Revert "cpufreq: schedutil: Move max CPU capacity to sugov_policy"
2022-11-22 19:56:52 +01:00
cpufreq.c
sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there
2022-02-23 10:58:33 +01:00
cpupri.c
sched/all: Change all BUG_ON() instances in the scheduler to WARN_ON_ONCE()
2022-08-12 11:25:10 +02:00
cpupri.h
sched/cpupri: Add CPUPRI_HIGHER
2020-10-29 11:00:30 +01:00
cputime.c
cputime: remove cputime_to_nsecs fallback
2022-12-27 12:52:17 +01:00
deadline.c
sched: Introduce affinity_context
2022-10-27 11:01:21 +02:00
debug.c
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
fair.c
sched/core: Adjusting the order of scanning CPU
2022-12-27 12:52:17 +01:00
features.h
sched/fair: Introduce SIS_UTIL to search idle CPU based on sum of util_avg
2022-06-28 09:08:30 +02:00
idle.c
context_tracking: Take idle eqs entrypoints over RCU
2022-07-05 13:32:16 -07:00
isolation.c
sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there
2022-02-23 10:58:33 +01:00
loadavg.c
sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there
2022-02-23 10:58:33 +01:00
Makefile
sched/headers: Introduce kernel/sched/build_policy.c and build multiple .c files there
2022-02-23 10:58:33 +01:00
membarrier.c
sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there
2022-02-23 10:58:33 +01:00
pelt.c
sched/headers: Introduce kernel/sched/build_policy.c and build multiple .c files there
2022-02-23 10:58:33 +01:00
pelt.h
sched/fair: Decay task PELT values during wakeup migration
2022-06-28 09:17:46 +02:00
psi.c
sched/psi: Stop relying on timer_pending() for poll_work rescheduling
2022-10-30 10:12:14 +01:00
rt.c
sched: Introduce struct balance_callback to avoid CFI mismatches
2022-10-17 16:41:25 +02:00
sched-pelt.h
sched/fair: Fix "runnable_avg_yN_inv" not used warnings
2019-06-17 12:15:58 +02:00
sched.h
sched: Make const-safe
2022-12-27 12:52:16 +01:00
smp.h
smp: Rename flush_smp_call_function_from_idle()
2022-05-01 10:03:43 +02:00
stats.c
sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there
2022-02-23 10:58:33 +01:00
stats.h
sched/psi: Use task->psi_flags to clear in CPU migration
2022-10-30 10:12:15 +01:00
stop_task.c
sched: Add update_current_exec_runtime helper
2022-08-27 00:05:35 +02:00
swait.c
sched/headers: Introduce kernel/sched/build_utility.c and build multiple .c files there
2022-02-23 10:58:33 +01:00
topology.c
sched/topology: Add __init for init_defrootdomain
2022-12-27 12:52:09 +01:00
wait_bit.c
wait_on_bit: add an acquire memory barrier
2022-08-26 09:30:25 -07:00
wait.c
wait: Return number of exclusive waiters awaken
2022-11-16 11:33:03 -07:00