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| author |   Lubomir Rintel <lkundrak@v3.sk> | 2009-06-07 16:23:48 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-06-07 16:31:23 +0200 |
| commit | 3aa6b186f86c5d06d6d92d14311ffed51f091f40 (patch) | |
| tree | cd14cfebf638976d203f2441f6786da41689262b /kernel/rtmutex.c | |
| parent | x86: Add quirk for reboot stalls on a Dell Optiplex 360 (diff) | |
| download | wireguard-linux-3aa6b186f86c5d06d6d92d14311ffed51f091f40.tar.xz wireguard-linux-3aa6b186f86c5d06d6d92d14311ffed51f091f40.zip | |
x86: Fix non-lazy GS handling in sys_vm86()
This fixes a stack corruption panic or null dereference oops
due to a bad GS in resume_userspace() when returning from
sys_vm86() and calling lockdep_sys_exit().
Only a problem when CONFIG_LOCKDEP and CONFIG_CC_STACKPROTECTOR
enabled.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Cc: H. Peter Anvin <hpa@zytor.com>
LKML-Reference: <1244384628.2323.4.camel@bimbo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/rtmutex.c')
0 files changed, 0 insertions, 0 deletions