[PATCH] x86_64: Don't allow accesses below register frame in ptrace

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There was a "off by one quad word" error in there.  I don't think it is
exploitable because it will only store into a unused area, but better to plug
it.

Found and fixed by John Blackwood

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

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Andi Kleen 2005-05-20 14:27:56 -07:00 • committed by Linus Torvalds

parent b41e29398a

commit c4d1fcf3a2

1 changed files with 2 additions and 2 deletions

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arch/x86_64/kernel/ptrace.c

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