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Merge branch 'audit.b3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit...
[linux-2.6-microblaze.git]
/
ipc
/
shm.c
diff --git
a/ipc/shm.c
b/ipc/shm.c
index
a88c8a0
..
6f9615c
100644
(file)
--- a/
ipc/shm.c
+++ b/
ipc/shm.c
@@
-814,6
+814,9
@@
asmlinkage long sys_shmdt(char __user *shmaddr)
loff_t size = 0;
int retval = -EINVAL;
+ if (addr & ~PAGE_MASK)
+ return retval;
+
down_write(&mm->mmap_sem);
/*