================================================ [ BUG: lock held when returning to user space! ] 4.9.124+ #34 Not tainted ------------------------------------------------ syz-executor2/27625 is leaving the kernel with locks still held! 1 lock held by syz-executor2/27625: #0: (&fi->mutex){+.+.+.}, at: [] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362 mmap: syz-executor5 (27849) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. FAT-fs (loop5): invalid media value (0xc6) FAT-fs (loop5): Can't find a valid FAT filesystem FAT-fs (loop5): invalid media value (0xc6) FAT-fs (loop5): Can't find a valid FAT filesystem FAT-fs (loop2): codepage cp437 not found FAT-fs (loop2): Unrecognized mount option "system.posix_acl_access" or missing value