[PATCH] x86_64: Fix canonical checking for segment registers in ptrace

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Allowed user programs to set a non canonical segment base, which would cause
oopses in the kernel later.

Credit-to: Alexander Nyberg <alexn@dsv.su.se>

 For identifying and reporting this bug.

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 2005-05-16 21:53:30 -07:00 • committed by Linus Torvalds

parent d1099e8a18

commit f6b8d4778c

1 changed files with 4 additions and 4 deletions

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arch/x86_64/kernel/ptrace.c

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