From d96d873324ec8f92a7534a0a2348e02b62103ad9 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Thu, 27 Jan 2022 18:49:43 +0800 Subject: [PATCH] fuse: annotate lock in fuse_reverse_inval_entry() stable inclusion from linux-4.19.222 commit 55e0c283fa6857e66acfc44984ceea893e1b8451 -------------------------------- 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 Signed-off-by: Yang Yingliang --- 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 29d8aa4844ff..b468ccb296c3 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1002,7 +1002,7 @@ 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; -- GitLab