======================================
| [ 193.076921][ T243] jump_label: Fatal kernel bug, unexpected op at tcp_inbound_hash+0x1a7/0x870 [ffffffffa8c4e9b7] (eb 50 0f 1f 44 != 66 90 0f 1f 00)) size:2 1 
| [  193.078181][  T243] ------------[ cut here ]------------
| [  193.078855][  T243] kernel BUG at arch/x86/kernel/jump_label.c:73!
| [  193.079121][  T243] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
[  193.079671][  T243] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  193.080122][  T243] Workqueue: events jump_label_update_timeout
[ 193.080382][ T243] RIP: 0010:__jump_label_patch (arch/x86/kernel/jump_label.c:73) 
[ 193.080649][ T243] Code: 0f 0b 90 0f 0b 49 c7 c4 00 5f c2 ab 41 56 45 89 f9 4d 89 e0 4c 89 e9 4c 89 ea 4c 89 ee 48 c7 c7 00 b3 45 a9 e8 9b b9 26 00 90 <0f> 0b be 04 00 00 00 e8 5e cc 8f 00 e9 39 ff ff ff 4c 89 e7 48 89
All code
========
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	0f 0b                	ud2
   5:	49 c7 c4 00 5f c2 ab 	mov    $0xffffffffabc25f00,%r12
   c:	41 56                	push   %r14
   e:	45 89 f9             	mov    %r15d,%r9d
  11:	4d 89 e0             	mov    %r12,%r8
  14:	4c 89 e9             	mov    %r13,%rcx
  17:	4c 89 ea             	mov    %r13,%rdx
  1a:	4c 89 ee             	mov    %r13,%rsi
  1d:	48 c7 c7 00 b3 45 a9 	mov    $0xffffffffa945b300,%rdi
  24:	e8 9b b9 26 00       	call   0x26b9c4
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	be 04 00 00 00       	mov    $0x4,%esi
  31:	e8 5e cc 8f 00       	call   0x8fcc94
  36:	e9 39 ff ff ff       	jmp    0xffffffffffffff74
  3b:	4c 89 e7             	mov    %r12,%rdi
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	be 04 00 00 00       	mov    $0x4,%esi
   7:	e8 5e cc 8f 00       	call   0x8fcc6a
   c:	e9 39 ff ff ff       	jmp    0xffffffffffffff4a
  11:	4c 89 e7             	mov    %r12,%rdi
  14:	48                   	rex.W
  15:	89                   	.byte 0x89
[  193.081368][  T243] RSP: 0018:ffffc9000058fc08 EFLAGS: 00010246
[  193.081625][  T243] RAX: 0000000000000090 RBX: 0000000000000000 RCX: 1ffffffff543b650
[  193.081945][  T243] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
[  193.082242][  T243] RBP: ffffc9000058fc48 R08: 0000000000000000 R09: fffffbfff543b650
[  193.082547][  T243] R10: 0000000000000003 R11: 205d333432542020 R12: ffffffffa945f501
[  193.082850][  T243] R13: ffffffffa8c4e9b7 R14: 0000000000000001 R15: 0000000000000002
[  193.083159][  T243] FS:  0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  193.083685][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  193.083940][  T243] CR2: 000000003f63e218 CR3: 00000000020c6003 CR4: 0000000000770ef0
[  193.084242][  T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  193.084541][  T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  193.084841][  T243] PKRU: 55555554
[  193.084997][  T243] Call Trace:
[  193.085143][  T243]  <TASK>
[ 193.085245][ T243] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[ 193.085399][ T243] ? do_trap (arch/x86/kernel/traps.c:114 arch/x86/kernel/traps.c:155) 
[ 193.085554][ T243] ? __jump_label_patch (arch/x86/kernel/jump_label.c:73) 
[ 193.085727][ T243] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:176) 
[ 193.085927][ T243] ? __jump_label_patch (arch/x86/kernel/jump_label.c:73) 
[ 193.086126][ T243] ? __jump_label_patch (arch/x86/kernel/jump_label.c:73) 
[ 193.086329][ T243] ? handle_invalid_op (arch/x86/kernel/traps.c:214) 
[ 193.086526][ T243] ? __jump_label_patch (arch/x86/kernel/jump_label.c:73) 
[ 193.086729][ T243] ? exc_invalid_op (arch/x86/kernel/traps.c:266) 
[ 193.086938][ T243] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 193.087143][ T243] ? tcp_inbound_hash (./arch/x86/include/asm/jump_label.h:27 ./include/net/tcp.h:2776 net/ipv4/tcp.c:4566) 
[ 193.087383][ T243] ? __jump_label_patch (arch/x86/kernel/jump_label.c:73) 
[ 193.087582][ T243] ? __jump_label_patch (arch/x86/kernel/jump_label.c:73) 
[ 193.087783][ T243] arch_jump_label_transform_queue (./include/linux/jump_label.h:125 arch/x86/kernel/jump_label.c:138) 
[ 193.088036][ T243] ? kernel_text_address (kernel/extable.c:99) 
[ 193.088236][ T243] __jump_label_update (kernel/jump_label.c:493) 
[ 193.088464][ T243] ? jump_label_update (kernel/jump_label.c:890) 
[ 193.088670][ T243] __static_key_slow_dec_cpuslocked.part.0 (./include/linux/mutex.h:196 kernel/jump_label.c:291) 
[ 193.088921][ T243] jump_label_update_timeout (kernel/jump_label.c:310) 
[ 193.089119][ T243] process_one_work (kernel/workqueue.c:3231) 
[ 193.089321][ T243] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 193.089520][ T243] ? __pfx_process_one_work (kernel/workqueue.c:3133) 
[ 193.089709][ T243] ? assign_work (kernel/workqueue.c:1202) 
[ 193.089913][ T243] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3390) 
[ 193.090108][ T243] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 193.090351][ T243] ? __pfx_worker_thread (kernel/workqueue.c:3339) 
[ 193.090555][ T243] ? __pfx_worker_thread (kernel/workqueue.c:3339) 
[ 193.090749][ T243] kthread (kernel/kthread.c:389) 
[ 193.090901][ T243] ? __pfx_kthread (kernel/kthread.c:342) 
[ 193.091092][ T243] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 193.091291][ T243] ? __pfx_kthread (kernel/kthread.c:342) 


Finger prints:
__jump_label_patch:arch_jump_label_transform_queue:__jump_label_update:jump_label_update_timeout:process_one_work