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Smack: slab-out-of-bounds in vsscanf
authorCasey Schaufler <casey@schaufler-ca.com>
Thu, 9 Apr 2020 23:35:28 +0000 (16:35 -0700)
committerCasey Schaufler <casey@schaufler-ca.com>
Wed, 6 May 2020 21:46:26 +0000 (14:46 -0700)
commit84e99e58e8d1e26f04c097f4266e431a33987f36
tree5df5e8a1d8ee64a1d9eb1ffec91a1e2c354cc61dtree | snapshot
parent092c94aed3e1bb0946fc7ba176cc3b4376d9910fcommit | diff
Smack: slab-out-of-bounds in vsscanf

Add barrier to soob. Return -EOVERFLOW if the buffer
is exceeded.

Suggested-by: Hillf Danton <hdanton@sina.com>
Reported-by: syzbot+bfdd4a2f07be52351350@syzkaller.appspotmail.com
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
security/smack/smackfs.c diff | blob | history
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