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(parent: bed936f) | patch
[PATCH] pi-futex: Validate futex type instead of oopsing
authorThomas Gleixner <tglx@linutronix.de>
Mon, 10 Jul 2006 11:44:30 +0000 (04:44 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 10 Jul 2006 20:24:18 +0000 (13:24 -0700)
commit06a9ec291b3aec9c7e36af0a10ad2b556bd7e84f
treea98c1293470967bfa93e250b99b6a0ff129e3deetree | snapshot (tar.gz zip)
parentbed936f7eab946c60170bc92a1aea597da158e02commit | diff
[PATCH] pi-futex: Validate futex type instead of oopsing

Calling futex_lock_pi is called with a reference to a non PI futex and
waiters exist already, lookup_pi_state() oopses due to pi_state == NULL.
Check this condition and return -EINVAL to userspace.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jakub Jelinek <jakub@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
kernel/futex.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)