sys_clone() needs asmlinkage_protect

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 4 insertions, 2 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index a31b823b3c2d..e05cff2429b5 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