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authorIngo Molnar <mingo@kernel.org>2015-10-14 16:05:18 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-14 16:05:18 +0200
commitc7d77a7980e434c3af17de19e3348157f9b9ccce (patch)
treeb32c5988ce8239b80c83e94c22d68f5eb0fb84da /fs/sysfs/mount.c
parent0ce423b6492a02be11662bfaa837dd16945aad3e (diff)
parent8a53554e12e98d1759205afd7b8e9e2ea0936f48 (diff)
Merge branch 'x86/urgent' into core/efi, to pick up a pending EFI fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/sysfs/mount.c')
-rw-r--r--fs/sysfs/mount.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 1c6ac6fcee9f..f3db82071cfb 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -40,6 +40,10 @@ static struct dentry *sysfs_mount(struct file_system_type *fs_type,
SYSFS_MAGIC, &new_sb, ns);
if (IS_ERR(root) || !new_sb)
kobj_ns_drop(KOBJ_NS_TYPE_NET, ns);
+ else if (new_sb)
+ /* Userspace would break if executables appear on sysfs */
+ root->d_sb->s_iflags |= SB_I_NOEXEC;
+
return root;
}