smackfs: Prevent underflow in smk_set_cipso()
There is a upper bound to "catlen" but no lower bound to prevent negatives. I don't see that this necessarily causes a problem but we may as well be safe. Fixes: e114e473 ("Smack: Simplified Mandatory Access Control Kernel") Signed-off-by:Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by:
Casey Schaufler <casey@schaufler-ca.com>
parent
c47b6584
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