1 files changed, 2 insertions, 0 deletions

diff --git a/fs/proc/root.c b/fs/proc/root.c
index 68feb0f70e63..361ab4ee42fc 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -134,6 +134,8 @@ static struct dentry *proc_mount(struct file_system_type *fs_type,
                 }
 
                 sb->s_flags |= MS_ACTIVE;
+                /* User space would break if executables appear on proc */
+                sb->s_iflags |= SB_I_NOEXEC;
         }
 
         return dget(sb->s_root);