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| author | Mike Galbraith <efault@gmx.de> | 2010-12-16 15:09:52 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-01-04 15:10:34 +0100 |
| commit | 4f8219875a0dad2cfad9e93a3fafcd9626db98d2 (patch) | |
| tree | 050e09c752c2b0f6045f85247c64890cf5d4ec48 /security | |
| parent | sched: Remove redundant CONFIG_CGROUP_SCHED ifdef (diff) | |
| download | linux-4f8219875a0dad2cfad9e93a3fafcd9626db98d2.tar.xz linux-4f8219875a0dad2cfad9e93a3fafcd9626db98d2.zip | |
sched, autogroup: Fix potential access to freed memory
Oleg pointed out that the /proc interface kref_get() useage may race with
the final put during autogroup_move_group(). A signal->autogroup assignment
may be in flight when the /proc interface dereference, leaving them taking
a reference to an already dead group.
Reported-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1292508592.5940.28.camel@maggy.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions