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| author | James Morris <james.morris@microsoft.com> | 2019-01-16 15:41:11 -0800 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2019-01-16 15:41:11 -0800 |
| commit | a5795fd38ee8194451ba3f281f075301a3696ce2 (patch) | |
| tree | e1081bd211b1ea0857073db96b05d65e896012ac /Documentation/kernel-hacking/locking.rst | |
| parent | 9474f4e7cd71a633fa1ef93b7daefd44bbdfd482 (diff) | |
| download | linux-a5795fd38ee8194451ba3f281f075301a3696ce2.tar.gz | |
LSM: Check for NULL cred-security on free
From: Casey Schaufler <casey@schaufler-ca.com>
Check that the cred security blob has been set before trying
to clean it up. There is a case during credential initialization
that could result in this.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Reported-by: syzbot+69ca07954461f189e808@syzkaller.appspotmail.com
Diffstat (limited to 'Documentation/kernel-hacking/locking.rst')
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