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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> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| smack_access.c | ||
| smack_lsm.c | ||
| smack.h | ||
| smackfs.c | ||