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WARNING: CPU: 0 PID: 532 at fs/ext4/ext4_jbd2.c:271 __ext4_handle_dirty_metadata+0x291/0x480 fs/ext4/ext4_jbd2.c:271
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 532 Comm: syz-executor3 Not tainted 4.14.73+ #15
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 panic+0x1bf/0x3a4 kernel/panic.c:181
 __warn.cold.7+0x148/0x185 kernel/panic.c:542
 report_bug+0x1f7/0x26c lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 do_error_trap+0x1ba/0x2c0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:944
RIP: 0010:__ext4_handle_dirty_metadata+0x291/0x480 fs/ext4/ext4_jbd2.c:271
RSP: 0018:ffff88019edf7800 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff88019a95b150 RCX: 0000000000001292
RDX: ffffffff816f0b71 RSI: ffffc90003d95000 RDI: ffff8801c40eff00
RBP: ffff8801c40eff00 R08: ffff88019a95b150 R09: ffffffffa233c8a0
R10: ffffffffa235aec0 R11: ffff880166b1a013 R12: 00000000ffffff8b
R13: ffff8801c40eff1c R14: 0000000000000000 R15: 0000000000000563
 write_end_fn+0x68/0x90 fs/ext4/inode.c:1379
 ext4_walk_page_buffers+0x9e/0x1a0 fs/ext4/inode.c:1097
 ext4_journalled_write_end+0x2e1/0x1110 fs/ext4/inode.c:1533
 generic_perform_write+0x294/0x430 mm/filemap.c:3048
 __generic_file_write_iter+0x345/0x540 mm/filemap.c:3162
 ext4_file_write_iter+0x4f6/0xe20 fs/ext4/file.c:264
 call_write_iter include/linux/fs.h:1782 [inline]
 new_sync_write fs/read_write.c:471 [inline]
 __vfs_write+0x417/0x5c0 fs/read_write.c:484
 vfs_write+0x17f/0x4d0 fs/read_write.c:546
 SYSC_write fs/read_write.c:593 [inline]
 SyS_write+0xc2/0x1a0 fs/read_write.c:585
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f8d2142dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579
RDX: 0000000000000014 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d2142e6d4
R13: 00000000004c5223 R14: 00000000004d88f8 R15: 00000000ffffffff
Kernel Offset: 0x20c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..