------------[ cut here ]------------
WARNING: CPU: 1 PID: 3928 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: 1 PID: 3928 Comm: udevd Not tainted 4.14.144+ #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:ffff8881dbb07c78 EFLAGS: 00010206
RAX: ffff88818310af00 RBX: ffff8881a3a89d80 RCX: 0000000000000001
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8881911577c8
RBP: ffff888191156e00 R08: ffff88821ffff05c R09: ffff88821ffff048
R10: ffff88821ffff057 R11: ffff88821ffff050 R12: ffff88819115749a
R13: ffff888191156e30 R14: 0000000000000000 R15: ffff88819115760c
 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:memcmp+0x33/0xb0 lib/string.c:861
RSP: 0018:ffff888181e8f5e8 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff10
RAX: ffff888181e8f6a6 RBX: ffff888181e8f6a6 RCX: 0000000000000005
RDX: ffff888181e8f6a6 RSI: ffff8881d5ac9c46 RDI: ffff888181e8f688
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff1b45b9d R11: ffffffff8da2dceb R12: ffff888181e8f700
R13: 000000000000000f R14: ffff888181e8f688 R15: ffff8881d5ac9c10
 find_stack lib/stackdepot.c:176 [inline]
 depot_save_stack+0x11d/0x418 lib/stackdepot.c:225
 save_stack mm/kasan/common.c:79 [inline]
 set_track mm/kasan/common.c:85 [inline]
 __kasan_slab_free+0x1b0/0x210 mm/kasan/common.c:457
 slab_free_hook mm/slub.c:1407 [inline]
 slab_free_freelist_hook mm/slub.c:1458 [inline]
 slab_free mm/slub.c:3039 [inline]
 kmem_cache_free+0xd7/0x3b0 mm/slub.c:3055
 pte_lock_deinit include/linux/mm.h:1798 [inline]
 pgtable_page_dtor include/linux/mm.h:1830 [inline]
 ___pte_free_tlb+0x39/0xa0 arch/x86/mm/pgtable.c:59
 __pte_free_tlb arch/x86/include/asm/pgalloc.h:73 [inline]
 free_pte_range mm/memory.c:449 [inline]
 free_pmd_range mm/memory.c:467 [inline]
 free_pud_range mm/memory.c:501 [inline]
 free_p4d_range mm/memory.c:534 [inline]
 free_pgd_range+0x491/0xb60 mm/memory.c:614
 free_pgtables+0x11c/0x1c0 mm/memory.c:646
 exit_mmap+0x222/0x440 mm/mmap.c:3073
 __mmput kernel/fork.c:940 [inline]
 mmput+0xeb/0x370 kernel/fork.c:961
 exec_mmap fs/exec.c:1039 [inline]
 flush_old_exec+0x80d/0x1a50 fs/exec.c:1271
 load_elf_binary+0x84f/0x4550 fs/binfmt_elf.c:855
 search_binary_handler fs/exec.c:1638 [inline]
 search_binary_handler+0x13f/0x6d0 fs/exec.c:1616
 exec_binprm fs/exec.c:1680 [inline]
 do_execveat_common.isra.0+0xf73/0x1bb0 fs/exec.c:1802
 do_execve fs/exec.c:1847 [inline]
 SYSC_execve fs/exec.c:1928 [inline]
 SyS_execve+0x34/0x40 fs/exec.c:1923
 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7fe70dd1a207
RSP: 002b:00007fff00fdd1d8 EFLAGS: 00000206 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fe70dd1a207
RDX: 000000000268d460 RSI: 00007fff00fdd2d0 RDI: 00007fff00fde2e0
RBP: 0000000000625500 R08: 000000000000012c R09: 000000000000012c
R10: 0000000000000000 R11: 0000000000000206 R12: 000000000268d460
R13: 0000000000000007 R14: 0000000002610030 R15: 0000000000000005
Kernel Offset: 0xa200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..