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[PATCH] Add the __stack_chk_fail() function
authorArjan van de Ven <arjan@linux.intel.com>
Tue, 26 Sep 2006 08:52:39 +0000 (10:52 +0200)
committerAndi Kleen <andi@basil.nowhere.org>
Tue, 26 Sep 2006 08:52:39 +0000 (10:52 +0200)
commit3162f751d04086a9d006342de63ac8f44fe0f72a
treebe702f29e5604621898e394ef387c2617334bb65tree | snapshot (tar.gz zip)
parent0a4254058037eb172758961d0a5b94f4320a1425commit | diff
[PATCH] Add the __stack_chk_fail() function

GCC emits a call to a __stack_chk_fail() function when the stack canary is
not matching the expected value.

Since this is a bad security issue; lets panic the kernel rather than limping
along; the kernel really can't be trusted anymore when this happens.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andi Kleen <ak@suse.de>
CC: Andi Kleen <ak@suse.de>
kernel/panic.c diff | blob | blame | history