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(parent: f29469f) | patch
sysctl: fix null checking in bin_dn_node_address()
authorXi Wang <xi.wang@gmail.com>
Thu, 28 Feb 2013 01:05:21 +0000 (17:05 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 28 Feb 2013 03:10:21 +0000 (19:10 -0800)
commit88efaaaff227f1f29df06d7aa8828c8de93d90fc
treeb293cff5791db36641d4c3e802d0c16c77bfe362tree | snapshot
parentf29469fa3d2a7351025097d3b12730ccad18fdf7commit | diff
sysctl: fix null checking in bin_dn_node_address()

The null check of `strchr() + 1' is broken, which is always non-null,
leading to OOB read.  Instead, check the result of strchr().

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/sysctl_binary.c diff | blob | history
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