This is a note to let you know that I've just added the patch titled
ext4: unlock xattr_sem properly in ext4_inline_data_truncate()
to the 5.4-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:
ext4-unlock-xattr_sem-properly-in-ext4_inline_data_truncate.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 7067b2619017d51e71686ca9756b454de0e5826a Mon Sep 17 00:00:00 2001
From: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
Date: Tue, 3 Nov 2020 10:29:02 +0800
Subject: ext4: unlock xattr_sem properly in ext4_inline_data_truncate()
From: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
commit 7067b2619017d51e71686ca9756b454de0e5826a upstream.
It takes xattr_sem to check inline data again but without unlock it
in case not have. So unlock it before return.
Fixes: aef1c8513c1f ("ext4: let ext4_truncate handle inline data correctly")
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Tao Ma <boyu.mt@xxxxxxxxxx>
Signed-off-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx>
Link: https://lore.kernel.org/r/1604370542-124630-1-git-send-email-joseph.qi@xxxxxxxxxxxxxxxxx
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Cc: stable@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ext4/inline.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -1918,6 +1918,7 @@ int ext4_inline_data_truncate(struct ino
ext4_write_lock_xattr(inode, &no_expand);
if (!ext4_has_inline_data(inode)) {
+ ext4_write_unlock_xattr(inode, &no_expand);
*has_inline = 0;
ext4_journal_stop(handle);
return 0;
Patches currently in stable-queue which might be from joseph.qi@xxxxxxxxxxxxxxxxx are
queue-5.4/ocfs2-initialize-ip_next_orphan.patch
queue-5.4/ext4-unlock-xattr_sem-properly-in-ext4_inline_data_truncate.patch
