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(parent: f7da9cd) | patch
smack: off by one error
authorAlan Cox <alan@linux.intel.com>
Thu, 26 Jul 2012 21:47:11 +0000 (14:47 -0700)
committerJames Morris <james.l.morris@oracle.com>
Mon, 30 Jul 2012 05:04:17 +0000 (15:04 +1000)
commit3b9fc37280c521b086943f9aedda767f5bf3b2d3
treec76cc02753da4df5d11e516d8e9373e5f0426b24tree | snapshot
parentf7da9cdf45cbbad5029d4858dcbc0134e06084edcommit | diff
smack: off by one error

Consider the input case of a rule that consists entirely of non space
symbols followed by a \0. Say 64 + \0

In this case strlen(data) = 64
kzalloc of subject and object are 64 byte objects
sscanfdata, "%s %s %s", subject, ...)

will put 65 bytes into subject.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Cc: stable@vger.kernel.org
Signed-off-by: James Morris <james.l.morris@oracle.com>
security/smack/smackfs.c diff | blob | history
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