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WARNING: CPU: 0 PID: 2003 at fs/direct-io.c:293 dio_complete+0x578/0x800 fs/direct-io.c:293
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2003 Comm: kworker/0:2 Not tainted 4.14.78+ #22
Workqueue: dio/sda1 dio_aio_complete_work
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:dio_complete+0x578/0x800 fs/direct-io.c:293
RSP: 0018:ffff8801cf7e7d10 EFLAGS: 00010297
RAX: ffff8801cfa9c680 RBX: ffff8801ce053a80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246
RBP: 0000000000010000 R08: 0000000000000001 R09: 0000000000000000
R10: ffff8801cfa9cf00 R11: 0000000000000001 R12: ffff8801c444d4d8
R13: 0000000000010000 R14: 0000000000000003 R15: ffff8801ce053b18
 process_one_work+0x86e/0x15c0 kernel/workqueue.c:2114
 worker_thread+0xdc/0x1000 kernel/workqueue.c:2248
 kthread+0x348/0x420 kernel/kthread.c:232
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402
Kernel Offset: 0x1ea00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..