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authorKirill Korotaev <dev@sw.ru>2006-08-13 23:24:23 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-08-14 12:54:29 -0700
commit6997a6faaa129a1c91775f7344c8d371a05178ea (patch)
treed1dbf57afc7d561620ad1b192ae031fd234b085a /kernel/futex.c
parent012c437d03cb299814e58ac8d574f7510f5989a5 (diff)
[PATCH] sys_getppid oopses on debug kernel
sys_getppid() optimization can access a freed memory. On kernels with DEBUG_SLAB turned ON, this results in Oops. As Dave Hansen noted, this optimization is also unsafe for memory hotplug. So this patch always takes the lock to be safe. [oleg@tv-sign.ru: simplifications] Signed-off-by: Kirill Korotaev <dev@openvz.org> Cc: <stable@kernel.org> Cc: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'kernel/futex.c')
0 files changed, 0 insertions, 0 deletions