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| author | Jann Horn <jannh@google.com> | 2019-07-16 18:20:47 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-07-25 16:37:05 +0300 |
| commit | cb361d8cdef69990f6b4504dc1fd9a594d983c97 (patch) | |
| tree | cde527557b6259487a11df5f30a652ab965cda41 /kernel/locking/rwsem.c | |
| parent | 16d51a590a8ce3befb1308e0e7ab77f3b661af33 (diff) | |
| download | linux-cb361d8cdef69990f6b4504dc1fd9a594d983c97.tar.xz | |
sched/fair: Use RCU accessors consistently for ->numa_group
The old code used RCU annotations and accessors inconsistently for
->numa_group, which can lead to use-after-frees and NULL dereferences.
Let all accesses to ->numa_group use proper RCU helpers to prevent such
issues.
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Fixes: 8c8a743c5087 ("sched/numa: Use {cpu, pid} to create task groups for shared faults")
Link: https://lkml.kernel.org/r/20190716152047.14424-3-jannh@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking/rwsem.c')
0 files changed, 0 insertions, 0 deletions