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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-10-24 07:04:21 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-10-24 07:04:21 -1000 |
| commit | 6c62666d8879238578b727f8e0a821e90c88f87e (patch) | |
| tree | 81342b5ead319db4f94f1a125cb0e911c93402af /kernel | |
| parent | Merge tag 'x86_urgent_for_v5.15_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (diff) | |
| parent | sched/scs: Reset the shadow stack when idle_task_exit (diff) | |
| download | linux-dev-6c62666d8879238578b727f8e0a821e90c88f87e.tar.xz linux-dev-6c62666d8879238578b727f8e0a821e90c88f87e.zip | |
Merge tag 'sched_urgent_for_v5.15_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
"Reset clang's Shadow Call Stack on hotplug to prevent it from
overflowing"
* tag 'sched_urgent_for_v5.15_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/scs: Reset the shadow stack when idle_task_exit
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 1bba4128a3e6..f21714ea3db8 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -8795,6 +8795,7 @@ void idle_task_exit(void) finish_arch_post_lock_switch(); } + scs_task_reset(current); /* finish_cpu(), as ran on the BP, will clean up the active_mm state */ } |