The patch below does not apply to the 3.7-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From b1e0318b8cd4bdbb0fbc48967b0350483ad9bd69 Mon Sep 17 00:00:00 2001
From: Al Viro <[email protected]>
Date: Sat, 19 Jan 2013 22:13:34 -0500
Subject: [PATCH] sys_clone() needs asmlinkage_protect

Cc: [email protected]
Signed-off-by: Al Viro <[email protected]>

diff --git a/kernel/fork.c b/kernel/fork.c
index a31b823..e05cff2 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1660,8 +1660,10 @@ SYSCALL_DEFINE5(clone, unsigned long, clone_flags, 
unsigned long, newsp,
                 int, tls_val)
 #endif
 {
-       return do_fork(clone_flags, newsp, 0,
-               parent_tidptr, child_tidptr);
+       long ret = do_fork(clone_flags, newsp, 0, parent_tidptr, child_tidptr);
+       asmlinkage_protect(5, ret, clone_flags, newsp,
+                       parent_tidptr, child_tidptr, tls_val);
+       return ret;
 }
 #endif
 

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