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| author | Michal Hocko <[email protected]> | 2016-06-03 21:55:55 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-06-03 23:02:56 +0000 |
| commit | cbdcf7f78900625de35173961b9b95cde22bce45 (patch) | |
| tree | 313e8398a476f95583156893e8459c3f3592201a /fs/jbd2/commit.c | |
| parent | mm, page_alloc: prevent infinite loop in buffered_rmqueue() (diff) | |
| download | kernel-cbdcf7f78900625de35173961b9b95cde22bce45.tar.gz kernel-cbdcf7f78900625de35173961b9b95cde22bce45.zip | |
mm, oom_reaper: do not use siglock in try_oom_reaper()
Oleg has noted that siglock usage in try_oom_reaper is both pointless
and dangerous. signal_group_exit can be checked lockless. The problem
is that sighand becomes NULL in __exit_signal so we can crash.
Fixes: 3ef22dfff239 ("oom, oom_reaper: try to reap tasks which skip regular OOM killer path")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Michal Hocko <[email protected]>
Suggested-by: Oleg Nesterov <[email protected]>
Cc: Tetsuo Handa <[email protected]>
Cc: David Rientjes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions