protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
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WARNING: CPU: 0 PID: 27240 at fs/direct-io.c:293 dio_complete+0x671/0x800 fs/direct-io.c:293
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 27240 Comm: syz-executor.2 Not tainted 4.14.112 #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'kvm' (ffff8880a6e4eb90): kobject_uevent_env
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 panic+0x1f2/0x438 kernel/panic.c:182
kobject: 'kvm' (ffff8880a6e4eb90): fill_kobj_path: path = '/devices/virtual/misc/kvm'
 __warn.cold+0x2f/0x34 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:944
RIP: 0010:dio_complete+0x671/0x800 fs/direct-io.c:293
RSP: 0018:ffff88806323f678 EFLAGS: 00010212
RAX: 0000000000040000 RBX: 00000000000bfe00 RCX: ffffc9000c661000
RDX: 000000000000fe2b RSI: ffffffff819a9291 RDI: ffff8880959145bc
RBP: ffff88806323f6c0 R08: ffff88809b6ea000 R09: 0000000000000003
R10: 0000000000000000 R11: ffff88809b6ea000 R12: ffff88805f7e4f00
R13: 00000000000bfe00 R14: ffff8880959147b8 R15: 0000000000000000
 do_blockdev_direct_IO+0x530e/0x7fc0 fs/direct-io.c:1374
 __blockdev_direct_IO+0xa1/0xd0 fs/direct-io.c:1400
 ext4_direct_IO_write fs/ext4/inode.c:3697 [inline]
 ext4_direct_IO+0x70d/0x1890 fs/ext4/inode.c:3827
 generic_file_direct_write+0x1ec/0x430 mm/filemap.c:2927
 __generic_file_write_iter+0x2bc/0x5b0 mm/filemap.c:3106
 ext4_file_write_iter+0x2c0/0xfd0 fs/ext4/file.c:264
 call_write_iter include/linux/fs.h:1774 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x4ae/0x6c0 fs/read_write.c:482
 vfs_write+0x198/0x500 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xb8/0x180 fs/read_write.c:581
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x458c29
RSP: 002b:00007fd9558fcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29
RDX: 00000000000bfe00 RSI: 0000000020000200 RDI: 0000000000000007
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9558fd6d4
R13: 00000000004c86c5 R14: 00000000004dee40 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..