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Smack: fix another vsscanf out of bounds
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 23 Jul 2020 15:22:19 +0000 (18:22 +0300)
committerCasey Schaufler <casey@schaufler-ca.com>
Mon, 27 Jul 2020 20:35:03 +0000 (13:35 -0700)
commita6bd4f6d9b07452b0b19842044a6c3ea384b0b88
tree0f8604f6e759a170eb0e6c5e8e25edd9b0fbc231tree | snapshot
parentbeb4ee6770a89646659e6a2178538d2b13e2654ecommit | diff
Smack: fix another vsscanf out of bounds

This is similar to commit 84e99e58e8d1 ("Smack: slab-out-of-bounds in
vsscanf") where we added a bounds check on "rule".

Reported-by: syzbot+a22c6092d003d6fe1122@syzkaller.appspotmail.com
Fixes: f7112e6c9abf ("Smack: allow for significantly longer Smack labels v4")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
security/smack/smackfs.c diff | blob | history
Domain: System / Kernel;