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| author | Ahmed S. Darwish <darwish.07@gmail.com> | 2008-03-19 17:00:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-19 18:53:36 -0700 |
| commit | 1d252fb870aa9cd227c4beb1a226ecd434f57f28 (patch) | |
| tree | 4a7b956c01487454b139e1df271518f36ca32285 /Documentation/tty.txt | |
| parent | 4ebf89845bea44a164d1fbb8fa319379ec7132de (diff) | |
| download | talos-obmc-linux-1d252fb870aa9cd227c4beb1a226ecd434f57f28.tar.gz talos-obmc-linux-1d252fb870aa9cd227c4beb1a226ecd434f57f28.zip | |
smack: do not dereference NULL ipc object
In the SYSV ipc msgctl(),semctl(),shmctl() family, if the user passed *_INFO
as the desired operation, no specific object is meant to be controlled and
only system-wide information is returned. This leads to a NULL IPC object in
the LSM hooks if the _INFO flag is given.
Avoid dereferencing this NULL pointer in Smack ipc *ctl() methods.
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/tty.txt')
0 files changed, 0 insertions, 0 deletions
