Re: [PATCH BUGFIX -rc5] Smack: Do not dereference NULL ipc object

[Chris Wright]

* Ahmed S. Darwish (darwish.07@xxxxxxxxx) wrote:
> 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.

Casey, this looks quite legit to me.  Can you ack please.

thanks,
-chris
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