This is a note to let you know that I've just added the patch titled Revert "configfs: fix a race in configfs_lookup()" to the 5.10-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: revert-configfs-fix-a-race-in-configfs_lookup.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From ef42517c4b0abdd6e2f62072c4730732a1eb949d Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Date: Thu, 21 Sep 2023 09:14:16 +0200 Subject: Revert "configfs: fix a race in configfs_lookup()" From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> This reverts commit c709c7ca020a52ef6530733a9a5f014bd6b71937 which is commit c42dd069be8dfc9b2239a5c89e73bbd08ab35de0 upstream. It was backported incorrectly, and will come back later in a way that actually works. Cc: Sishuai Gong <sishuai@xxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Cc: Kyle Zeng <zengyhkyle@xxxxxxxxx> Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/27f978f3-11ca-6054-5160-ab66d4c918bc@xxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/configfs/dir.c | 2 -- 1 file changed, 2 deletions(-) --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -479,7 +479,6 @@ static struct dentry * configfs_lookup(s if (!configfs_dirent_is_ready(parent_sd)) goto out; - spin_lock(&configfs_dirent_lock); list_for_each_entry(sd, &parent_sd->s_children, s_sibling) { if (sd->s_type & CONFIGFS_NOT_PINNED) { const unsigned char * name = configfs_get_name(sd); @@ -492,7 +491,6 @@ static struct dentry * configfs_lookup(s break; } } - spin_unlock(&configfs_dirent_lock); if (!found) { /* Patches currently in stable-queue which might be from gregkh@xxxxxxxxxxxxxxxxxxx are queue-5.10/revert-configfs-fix-a-race-in-configfs_lookup.patch