================================================ [ BUG: lock held when returning to user space! ] 4.9.124+ #32 Not tainted ------------------------------------------------ syz-executor5/18802 is leaving the kernel with locks still held! 1 lock held by syz-executor5/18802: #0: (&fi->mutex){+.+.+.}, at: [] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362 f2fs_msg: 6 callbacks suppressed F2FS-fs (loop1): Unable to read 1th superblock F2FS-fs (loop1): Unable to read 2th superblock F2FS-fs (loop1): Unable to read 1th superblock F2FS-fs (loop1): Unable to read 2th superblock F2FS-fs (loop1): Unable to read 1th superblock F2FS-fs (loop1): Unable to read 2th superblock F2FS-fs (loop1): Unable to read 1th superblock F2FS-fs (loop1): Unable to read 2th superblock