From 464b7cda4695e516c9921353b7a066c26aadc612 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Fri, 22 Oct 2021 17:03:01 +0200 Subject: [PATCH] fuse: annotate lock in fuse_reverse_inval_entry() commit bda9a71980e083699a0360963c0135657b73f47a upstream. Add missing inode lock annotatation; found by syzbot. Reported-and-tested-by: syzbot+9f747458f5990eaa8d43@syzkaller.appspotmail.com Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/fuse/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 9af23f436558..b41cc537eb31 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -973,7 +973,7 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid, if (!parent) return -ENOENT; - inode_lock(parent); + inode_lock_nested(parent, I_MUTEX_PARENT); if (!S_ISDIR(parent->i_mode)) goto unlock;