input: syz0 as /devices/virtual/input/input177
FAT-fs (loop1): bogus number of reserved sectors
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5001 at fs/kernfs/dir.c:494 kernfs_get+0x52/0x60 fs/kernfs/dir.c:494
FAT-fs (loop1): Can't find a valid FAT filesystem
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 5001 Comm: syz-executor.4 Not tainted 4.14.105 #26
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x10e lib/dump_stack.c:53
 panic+0x1d9/0x3c2 kernel/panic.c:182
FAT-fs (loop5): bogus number of reserved sectors
 __warn.cold+0x2f/0x3b kernel/panic.c:546
FAT-fs (loop5): Can't find a valid FAT filesystem
Kernel Offset: 0x2a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..