------------[ cut here ]------------
WARNING: CPU: 0 PID: 22715 at net/ipv4/tcp_timer.c:429 tcp_retransmit_timer+0x1a66/0x2590 net/ipv4/tcp_timer.c:429
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 22715 Comm: blkid Not tainted 4.14.145+ #0
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xca/0x134 lib/dump_stack.c:53
 panic+0x1ea/0x3d3 kernel/panic.c:182
 __warn.cold+0x2f/0x3a kernel/panic.c:546
 report_bug+0x20a/0x248 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+0x1bf/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:tcp_retransmit_timer+0x1a66/0x2590 net/ipv4/tcp_timer.c:429
RSP: 0018:ffff8881db807c78 EFLAGS: 00010206
RAX: ffff8881c3ab0000 RBX: ffff8881a19d3b00 RCX: 0000000000000001
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8881d47c1fc8
RBP: ffff8881d47c1600 R08: ffff88821ffff01c R09: ffff88821ffff008
R10: ffff88821ffff017 R11: ffff88821ffff010 R12: ffff8881d47c1c9a
R13: ffff8881d47c1630 R14: 0000000000000000 R15: ffff8881d47c1e0c
 tcp_write_timer_handler+0x43d/0x780 net/ipv4/tcp_timer.c:579
 tcp_write_timer+0xc9/0x170 net/ipv4/tcp_timer.c:597
 call_timer_fn+0x15b/0x6a0 kernel/time/timer.c:1279
 expire_timers+0x227/0x4c0 kernel/time/timer.c:1318
 __run_timers kernel/time/timer.c:1634 [inline]
 run_timer_softirq+0x1eb/0x5d0 kernel/time/timer.c:1647
 __do_softirq+0x234/0x9ec kernel/softirq.c:288
 invoke_softirq kernel/softirq.c:368 [inline]
 irq_exit+0x114/0x150 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:648 [inline]
 smp_apic_timer_interrupt+0x1a7/0x650 arch/x86/kernel/apic/apic.c:1102
 apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:lock_release+0x3de/0x740 kernel/locking/lockdep.c:4013
RSP: 0018:ffff8881c2847ce8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000007 RBX: 1ffff11038508fa0 RCX: 1ffff11038756104
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
RBP: ffff8881c3ab0000 R08: 0000000000000001 R09: 0000000000000000
R10: fffffbfff16c5b9d R11: ffffffff8b62dceb R12: 0000000000000000
R13: ffff8881c3ab0000 R14: 0000000000000001 R15: ffff8881c3ab0828
 slab_pre_alloc_hook mm/slab.h:418 [inline]
 slab_alloc_node mm/slub.c:2712 [inline]
 slab_alloc mm/slub.c:2800 [inline]
 kmem_cache_alloc+0x2b/0x360 mm/slub.c:2805
 getname_flags+0xc8/0x550 fs/namei.c:141
 do_sys_open+0x21f/0x590 fs/open.c:1090
 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f3b5596b120
RSP: 002b:00007ffe9c561f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ffe9c562fd0 RCX: 00007f3b5596b120
RDX: 00007ffe9c561fa2 RSI: 0000000000000000 RDI: 00007ffe9c561f90
RBP: 0000000000000701 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe9c564048
R13: 0000000000000000 R14: 00007f3b55e4c820 R15: 00007f3b55c422a2
Kernel Offset: 0x7e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..