This is a note to let you know that I've just added the patch titled fuse: annotate lock in fuse_reverse_inval_entry() 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: fuse-annotate-lock-in-fuse_reverse_inval_entry.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 bda9a71980e083699a0360963c0135657b73f47a Mon Sep 17 00:00:00 2001 From: Miklos Szeredi <mszeredi@xxxxxxxxxx> Date: Fri, 22 Oct 2021 17:03:01 +0200 Subject: fuse: annotate lock in fuse_reverse_inval_entry() From: Miklos Szeredi <mszeredi@xxxxxxxxxx> commit bda9a71980e083699a0360963c0135657b73f47a upstream. Add missing inode lock annotatation; found by syzbot. Reported-and-tested-by: syzbot+9f747458f5990eaa8d43@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/fuse/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1032,7 +1032,7 @@ int fuse_reverse_inval_entry(struct supe if (!parent) return -ENOENT; - inode_lock(parent); + inode_lock_nested(parent, I_MUTEX_PARENT); if (!S_ISDIR(parent->i_mode)) goto unlock; Patches currently in stable-queue which might be from mszeredi@xxxxxxxxxx are queue-5.4/ovl-fix-warning-in-ovl_create_real.patch queue-5.4/fuse-annotate-lock-in-fuse_reverse_inval_entry.patch