md: md0 stopped.
md: md0 stopped.
md: md0 stopped.
md: md0 stopped.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7283 at drivers/md/md.c:7167 md_ioctl+0x34b7/0x4bd0 drivers/md/md.c:7167
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7283 Comm: syz-executor.2 Not tainted 4.14.126 #20
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+0x138/0x19c lib/dump_stack.c:53
 panic+0x1f2/0x426 kernel/panic.c:182
 __warn.cold+0x2f/0x36 kernel/panic.c:546
 report_bug+0x216/0x254 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:960
RIP: 0010:md_ioctl+0x34b7/0x4bd0 drivers/md/md.c:7167
RSP: 0018:ffff888090e1fa20 EFLAGS: 00010297
RAX: ffff888096984200 RBX: 0000000000000932 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff888090e1fc68 R08: ffff88809b51ae88 R09: ffffffff88c7f1f0
R10: ffff888090e1fa10 R11: ffff888096984200 R12: ffff88809b51ae80
R13: ffff88809a26a7c0 R14: ffff88809b51aea8 R15: ffff88809b51b048
 __blkdev_driver_ioctl block/ioctl.c:297 [inline]
 blkdev_ioctl+0x96b/0x1860 block/ioctl.c:594
 block_ioctl+0xde/0x120 fs/block_dev.c:1881
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4592c9
RSP: 002b:00007f8eccd8cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9
RDX: 0000000000000000 RSI: 0000000000000932 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8eccd8d6d4
R13: 00000000004c08ad R14: 00000000004d33e0 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..