>Sending -1 as the shmid to shmat will cause an oops. 2.2.16 caught this
>with simple boundry checking, so replace the lines
>if (!shm_sb || (shmid % SEQ_MULTIPLIER) == zero_id)
return -EINVAL;
>with
>if (!shm_sb || shmid < 0 || (shmid % SEQ_MULTIPLIER) == zero_id)
return -EINVAL;
-1 shmid is causing oops only when used with superuser privileges,
otherwise it returns -EINVAL.
regards
Anil
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