unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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fuse: annotate lock in fuse_reverse_inval_entry()

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Add missing inode lock annotatation; found by syzbot.

Reported-and-tested-by: syzbot+9f747458f5990eaa8d43@syzkaller.appspotmail.com
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2021-10-22 17:03:01 +02:00
parent 36ea23374d
commit bda9a71980
1 changed files with 1 additions and 1 deletions
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2
fs/fuse/dir.c
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@ -1079,7 +1079,7 @@ int fuse_reverse_inval_entry(struct fuse_conn *fc, 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;