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mount_fs: suppress MAC on MS_SUBMOUNT as well as MS_KERNMOUNT
author
Al Viro
<viro@zeniv.linux.org.uk>
Thu, 20 Dec 2018 08:16:27 +0000
(
03:16
-0500)
committer
Al Viro
<viro@zeniv.linux.org.uk>
Fri, 21 Dec 2018 16:51:23 +0000
(11:51 -0500)
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/super.c
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diff --git
a/fs/super.c
b/fs/super.c
index a5511c4ba69bce481454d8a9fd75f14e96b91fc5..48e25eba846533dc0ae6b213e522d8bf52254087 100644
(file)
--- a/
fs/super.c
+++ b/
fs/super.c
@@
-1277,7
+1277,7
@@
mount_fs(struct file_system_type *type, int flags, const char *name, void *data)
if (error)
goto out_sb;
- if (!(flags &
MS_KERNMOUNT
)) {
+ if (!(flags &
(MS_KERNMOUNT|MS_SUBMOUNT)
)) {
error = security_sb_kern_mount(sb);
if (error)
goto out_sb;