Messages in this thread Patch in this message | | | Date | Fri, 29 Jun 2007 18:46:28 +0200 | From | Alexander Graf <> | Subject | [PATCH] fix logic error in ipc compat semctl() |
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Hi,
when calling a semctl(IPC_STAT) without IPC_64 the check if the memory is unevaluated. This patch fixes this.
Signed-off-by: Alexander Graf <agraf@suse.de>
Index: linux/ipc/compat.c =================================================================== --- linux.orig/ipc/compat.c +++ linux/ipc/compat.c @@ -225,7 +225,7 @@ static inline int put_compat_semid_ds(st int err; if (!access_ok (VERIFY_WRITE, up, sizeof(*up))) - err = -EFAULT; + return -EFAULT; err = __put_compat_ipc_perm(&s->sem_perm, &up->sem_perm); err |= __put_user(s->sem_otime, &up->sem_otime); err |= __put_user(s->sem_ctime, &up->sem_ctime); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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