Mailing List Archive

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);

-
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