This is a note to let you know that I've just added the patch titled
mnt: If fs_fully_visible fails call put_filesystem.
to the 4.4-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:
mnt-if-fs_fully_visible-fails-call-put_filesystem.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 97c1df3e54e811aed484a036a798b4b25d002ecf Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Date: Mon, 6 Jun 2016 15:36:07 -0500
Subject: mnt: If fs_fully_visible fails call put_filesystem.
From: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
commit 97c1df3e54e811aed484a036a798b4b25d002ecf upstream.
Add this trivial missing error handling.
Fixes: 1b852bceb0d1 ("mnt: Refactor the logic for mounting sysfs and proc in a user namespace")
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/namespace.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2401,8 +2401,10 @@ static int do_new_mount(struct path *pat
mnt_flags |= MNT_NODEV | MNT_LOCK_NODEV;
}
if (type->fs_flags & FS_USERNS_VISIBLE) {
- if (!fs_fully_visible(type, &mnt_flags))
+ if (!fs_fully_visible(type, &mnt_flags)) {
+ put_filesystem(type);
return -EPERM;
+ }
}
}
Patches currently in stable-queue which might be from ebiederm@xxxxxxxxxxxx are
queue-4.4/mnt-fs_fully_visible-test-the-proper-mount-for-mnt_locked.patch
queue-4.4/mnt-if-fs_fully_visible-fails-call-put_filesystem.patch
queue-4.4/mnt-account-for-ms_rdonly-in-fs_fully_visible.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html