EXT4-fs (sda1): shut down requested (0)
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(sem->owner != get_current())
WARNING: CPU: 0 PID: 4473 at kernel/locking/rwsem.c:133 up_write+0x1c6/0x210 kernel/locking/rwsem.c:133
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 4473 Comm: syzkaller097542 Not tainted 4.16.0+ #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b9/0x29f lib/dump_stack.c:53
 panic+0x22f/0x4de kernel/panic.c:183
 __warn.cold.8+0x163/0x1a3 kernel/panic.c:547
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1bc/0x470 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:991
RIP: 0010:up_write+0x1c6/0x210 kernel/locking/rwsem.c:133
RSP: 0018:ffff8801b9587670 EFLAGS: 00010286
RAX: 0000000000000030 RBX: ffff8801cd7d8f00 RCX: ffffffff815ecc1d
RDX: 0000000000000000 RSI: ffffffff815f1a01 RDI: 0000000000000001
RBP: ffff8801b95876f8 R08: ffff8801ad4a6140 R09: fffffbfff1170628
R10: fffffbfff1170628 R11: ffffffff88b83143 R12: 1ffff100372b0ece
R13: dffffc0000000000 R14: ffff8801b95876d0 R15: ffff8801cd7d8f58
 percpu_up_write+0xcd/0x110 kernel/locking/percpu-rwsem.c:183
 sb_freeze_unlock fs/super.c:1390 [inline]
 thaw_super+0x205/0x270 fs/super.c:1524
 thaw_bdev+0x162/0x1a0 fs/block_dev.c:555
 ext4_shutdown fs/ext4/ioctl.c:486 [inline]
 ext4_ioctl+0x12da/0x4190 fs/ext4/ioctl.c:1043
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x1cf/0x1650 fs/ioctl.c:684
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
 SYSC_ioctl fs/ioctl.c:708 [inline]
 SyS_ioctl+0x24/0x30 fs/ioctl.c:706
 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43fcb9
RSP: 002b:00007ffcd3fefe38 EFLAGS: 00000213 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9
RDX: 0000000020000a80 RSI: 000000008004587d RDI: 0000000000000003
RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
R10: 00000000004002c8 R11: 0000000000000213 R12: 00000000004015e0
R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..