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[IA64] Handle count==0 in sn2_ptc_proc_write()
authorCliff Wickman <cpw@sgi.com>
Tue, 24 Jun 2008 17:20:06 +0000 (10:20 -0700)
committerTony Luck <tony.luck@intel.com>
Tue, 24 Jun 2008 17:20:06 +0000 (10:20 -0700)
commit8097110d179b874d91c6495330c2b96c991e8c6e
tree8ca93d3c7758953f468e5b25708d68dfd732b307tree | snapshot
parent2826f8c0f4c97b7db33e2a680f184d828eb7a785commit | diff
[IA64] Handle count==0 in sn2_ptc_proc_write()

The fix applied in e0c6d97c65e0784aade7e97b9411f245a6c543e7
"security hole in sn2_ptc_proc_write" didn't take into account
the case where count==0 (which results in a buffer underrun
when adding the trailing '\0').  Thanks to Andi Kleen for
pointing this out.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
arch/ia64/sn/kernel/sn2/sn2_smp.c diff | blob | history
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