Patch "Make stat/lstat/fstatat pass AT_NO_AUTOMOUNT to vfs_statx()" has been added to the 4.11-stable tree

This is a note to let you know that I've just added the patch titled

Make stat/lstat/fstatat pass AT_NO_AUTOMOUNT to vfs_statx()

to the 4.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
make-stat-lstat-fstatat-pass-at_no_automount-to-vfs_statx.patch
and it can be found in the queue-4.11 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: David Howells <[email protected]>
Date: Thu, 4 May 2017 23:30:16 +0100
Subject: Make stat/lstat/fstatat pass AT_NO_AUTOMOUNT to vfs_statx()

From: David Howells <[email protected]>

commit deccf497d804a4c5fca2dbfad2f104675a6f9102 upstream.

stat/lstat/fstatat need to pass AT_NO_AUTOMOUNT to vfs_statx() as the pre-statx code didn't set LOOKUP_AUTOMOUNT, even though fstatat() accepted the AT_NO_AUTOMOUNT flag.

---
 include/linux/fs.h |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

@@ -2921,17 +2921,19 @@ extern int vfs_statx_fd(unsigned int, st
 
 static inline int vfs_stat(const char __user *filename, struct kstat *stat)
 {
-	return vfs_statx(AT_FDCWD, filename, 0, stat, STATX_BASIC_STATS);
+	return vfs_statx(AT_FDCWD, filename, AT_NO_AUTOMOUNT,
+			 stat, STATX_BASIC_STATS);
 }
 static inline int vfs_lstat(const char __user *name, struct kstat *stat)
 {
-	return vfs_statx(AT_FDCWD, name, AT_SYMLINK_NOFOLLOW,
+	return vfs_statx(AT_FDCWD, name, AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT,
 			 stat, STATX_BASIC_STATS);
 }
 static inline int vfs_fstatat(int dfd, const char __user *filename,
 			      struct kstat *stat, int flags)
 {
-	return vfs_statx(dfd, filename, flags, stat, STATX_BASIC_STATS);
+	return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT,
+			 stat, STATX_BASIC_STATS);
 }
 static inline int vfs_fstat(int fd, struct kstat *stat)
 {

Patches currently in stable-queue which might be from [email protected] are

queue-4.11/make-stat-lstat-fstatat-pass-at_no_automount-to-vfs_statx.patch