======================================
| # [  157.479611] c1: entered promiscuous mode
| # [  157.485280] ------------[ cut here ]------------
| # [  157.485827] WARNING: CPU: 0 PID: 1383 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| # [  157.487027] Modules linked in: bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
# [  157.489872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  157.490629] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
# [ 157.491261] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
# [  157.493319] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
# [  157.494064] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
# [  157.494977] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
# [  157.495879] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
# [  157.497006] R10: ffffc90000597010 R11: ffffffff9af798a0 R12: 1ffff920000b2de2
# [  157.497950] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800b44af08
# [  157.498863] FS:  00007efea987f800(0000) GS:ffff8880996a7000(0000) knlGS:0000000000000000
# [  157.499870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  157.500613] CR2: 00000000004e6888 CR3: 000000000c0c2003 CR4: 0000000000772ef0
# [  157.501507] PKRU: 55555554
# [  157.501947] Call Trace:
# [  157.502404]  <TASK>
# [  157.502700] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  157.503326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  157.503915] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  157.504511] netif_set_mtu (net/core/dev.c:9652) 
# [  157.505078] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  157.505720] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  157.506174] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  157.506974] br_add_if (net/bridge/br_if.c:697) bridge 
# [  157.507672] do_set_master (net/core/rtnetlink.c:2948) 
# [  157.508276] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  157.508862] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  157.509604] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  157.510197] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  157.510773] ? __kernel_text_address (kernel/extable.c:79) 
# [  157.511381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  157.511977] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
# [  157.512573] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  157.513323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  157.513915] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  157.514514] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  157.515088] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  157.515691] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  157.516297] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  157.516628] ? __create_object (mm/kmemleak.c:771) 
# [  157.516954] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  157.517301] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  157.517628] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  157.518029] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  157.518368] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  157.518700] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  157.519026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  157.519370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  157.519694] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  157.520015] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  157.520347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  157.520671] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  157.520992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  157.521336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  157.521671] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  157.521993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  157.522326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  157.522669] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  157.522991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
# [  157.523327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  157.523662] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  157.523988] ? __create_object (mm/kmemleak.c:771) 
# [  157.524317] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  157.524645] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  157.524970] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  157.525312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  157.525639] ? __kasan_kmalloc (mm/kasan/common.c:398) 
# [  157.525968] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  157.526318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  157.526642] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  157.527058] ___sys_sendmsg (net/socket.c:2670) 
# [  157.527398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  157.527722] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
# [  157.528140] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  157.528468] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  157.528802] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  157.529151] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  157.529477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  157.529799] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  157.530139] __sys_sendmsg (net/socket.c:2700) 
# [  157.530461] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  157.530785] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
# [  157.531133] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
# [  157.531560] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  157.531886] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  157.532299] RIP: 0033:0x7efea9a4c1e7
# [ 157.532647] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
# [  157.533853] RSP: 002b:00007ffd9a3164b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  157.534356] RAX: ffffffffffffffda RBX: 00007ffd9a316be0 RCX: 00007efea9a4c1e7
# [  157.534843] RDX: 0000000000000000 RSI: 00007ffd9a316520 RDI: 0000000000000005
# [  157.535341] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  157.535834] R10: 0000000039010910 R11: 0000000000000246 R12: 0000000000000003
# [  157.536347] R13: 00000000686e18fb R14: 0000000000499600 R15: 0000000000000000
| # [  158.353587] ------------[ cut here ]------------
| # [  158.353958] WARNING: CPU: 1 PID: 1388 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| # [  158.354623] Modules linked in: bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| # [  158.356915] Tainted: [W]=WARN
# [  158.357188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  158.357592] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
# [ 158.357922] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
# [  158.359086] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
# [  158.359516] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
# [  158.360020] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
# [  158.360504] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
# [  158.360990] R10: ffffc900005f7010 R11: ffffffff9b8b19b8 R12: 1ffff920000bede2
# [  158.361474] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff88800b44af08
# [  158.362000] FS:  00007f2e2a88c800(0000) GS:ffff888099727000(0000) knlGS:0000000000000000
# [  158.362566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  158.362991] CR2: 00000000004e6888 CR3: 000000000e1d2002 CR4: 0000000000772ef0
# [  158.363604] PKRU: 55555554
# [  158.363845] Call Trace:
# [  158.364088]  <TASK>
# [  158.364271] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  158.364590] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  158.364912] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
# [  158.365246] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# [  158.365640] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
# [  158.365961] netif_set_mtu (net/core/dev.c:9652) 
# [  158.366298] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  158.366640] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
# [  158.367090] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  158.367362] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  158.367796] br_add_if (net/bridge/br_if.c:697) bridge 
# [  158.368173] do_set_master (net/core/rtnetlink.c:2948) 
# [  158.368496] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  158.368824] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  158.369232] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  158.369549] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  158.369863] ? __kernel_text_address (kernel/extable.c:79) 
# [  158.370198] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  158.370519] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
# [  158.370835] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  158.371254] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  158.371575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  158.371956] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  158.372291] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  158.372612] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  158.372927] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  158.373257] ? __create_object (mm/kmemleak.c:771) 
# [  158.373576] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  158.373931] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  158.374260] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  158.374651] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  158.374985] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  158.375612] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  158.376214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  158.376824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  158.377427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  158.378013] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  158.378593] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  158.379204] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  158.379797] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  158.380404] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  158.381003] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  158.381609] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  158.382193] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  158.382657] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  158.382996] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
# [  158.383353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  158.383688] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  158.384128] ? __create_object (mm/kmemleak.c:771) 
# [  158.384447] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  158.384775] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  158.385127] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  158.385446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  158.385768] ? __kasan_kmalloc (mm/kasan/common.c:398) 
# [  158.386122] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  158.386455] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  158.386772] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  158.387408] ___sys_sendmsg (net/socket.c:2670) 
# [  158.387729] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  158.388056] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
# [  158.388468] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  158.388792] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  158.389136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  158.389464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  158.389782] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  158.390135] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  158.390468] __sys_sendmsg (net/socket.c:2700) 
# [  158.390786] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  158.391169] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
# [  158.391521] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
# [  158.391940] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  158.392304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  158.392703] RIP: 0033:0x7f2e2aa591e7
# [ 158.393149] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
# [  158.395253] RSP: 002b:00007ffc9c02a548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  158.395875] RAX: ffffffffffffffda RBX: 00007ffc9c02ac70 RCX: 00007f2e2aa591e7
# [  158.396432] RDX: 0000000000000000 RSI: 00007ffc9c02a5b0 RDI: 0000000000000005
# [  158.396911] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  158.397416] R10: 000000002639c910 R11: 0000000000000246 R12: 0000000000000003
# [  158.397904] R13: 00000000686e18fc R14: 0000000000499600 R15: 0000000000000000
| # [  159.175745] ------------[ cut here ]------------
| # [  159.176080] WARNING: CPU: 3 PID: 1393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| # [  159.176748] Modules linked in: bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| # [  159.178404] Tainted: [W]=WARN
# [  159.178642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  159.179045] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
# [ 159.179595] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
# [  159.180985] RSP: 0018:ffffc90001316ef0 EFLAGS: 00010246
# [  159.181651] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
# [  159.182331] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
# [  159.182810] RBP: ffffc90001316fe0 R08: 0000000000000000 R09: 0000000000000000
# [  159.183395] R10: ffffc90001317010 R11: ffffffff9af798a0 R12: 1ffff92000262de2
# [  159.183882] R13: 00000000000005dc R14: ffffc90001317010 R15: ffff88800b44af08
# [  159.184380] FS:  00007f0fa2722800(0000) GS:ffff888099827000(0000) knlGS:0000000000000000
# [  159.184938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  159.185339] CR2: 00000000004e6888 CR3: 000000000e1a0005 CR4: 0000000000772ef0
# [  159.185819] PKRU: 55555554
# [  159.186066] Call Trace:
# [  159.186357]  <TASK>
# [  159.186536] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  159.186886] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  159.187245] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  159.187579] netif_set_mtu (net/core/dev.c:9652) 
# [  159.187908] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  159.188262] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  159.188514] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  159.188996] br_add_if (net/bridge/br_if.c:697) bridge 
# [  159.189392] do_set_master (net/core/rtnetlink.c:2948) 
# [  159.189712] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  159.190060] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  159.190470] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  159.190792] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  159.191133] ? __kernel_text_address (kernel/extable.c:79) 
# [  159.191476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  159.191788] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
# [  159.192115] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  159.192525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  159.192859] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  159.193187] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  159.193516] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  159.193835] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  159.194192] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  159.194507] ? __create_object (mm/kmemleak.c:771) 
# [  159.194822] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  159.195175] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  159.195552] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  159.195963] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  159.196344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  159.196695] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  159.197049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  159.197423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  159.197769] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  159.198110] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  159.198428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  159.198760] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  159.199074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  159.199415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  159.199731] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  159.200061] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  159.200383] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  159.200706] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  159.201040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
# [  159.201391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  159.201747] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  159.202075] ? __create_object (mm/kmemleak.c:771) 
# [  159.202411] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  159.202774] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  159.203147] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  159.203492] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  159.203829] ? __kasan_kmalloc (mm/kasan/common.c:398) 
# [  159.204190] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  159.204547] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  159.204892] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  159.205317] ___sys_sendmsg (net/socket.c:2670) 
# [  159.205659] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  159.205988] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
# [  159.206455] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  159.206812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  159.207166] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  159.207526] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  159.207868] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  159.208223] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  159.208567] __sys_sendmsg (net/socket.c:2700) 
# [  159.208905] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  159.209249] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
# [  159.209603] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
# [  159.210030] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  159.210371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  159.210794] RIP: 0033:0x7f0fa28ef1e7
# [ 159.211167] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
# [  159.212402] RSP: 002b:00007ffebc570d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  159.212925] RAX: ffffffffffffffda RBX: 00007ffebc5714b0 RCX: 00007f0fa28ef1e7
# [  159.213440] RDX: 0000000000000000 RSI: 00007ffebc570df0 RDI: 0000000000000005
# [  159.213957] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  159.214479] R10: 0000000012ad1910 R11: 0000000000000246 R12: 0000000000000003
# [  159.214985] R13: 00000000686e18fc R14: 0000000000499600 R15: 0000000000000000
| # [  160.020842] ------------[ cut here ]------------
| # [  160.022188] WARNING: CPU: 0 PID: 1398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| # [  160.022917] Modules linked in: bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| # [  160.024623] Tainted: [W]=WARN
# [  160.024904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  160.025375] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
# [ 160.025716] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
# [  160.026911] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
# [  160.027342] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
# [  160.027825] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
# [  160.028353] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
# [  160.028857] R10: ffffc90000537010 R11: ffffffff9b8b19b8 R12: 1ffff920000a6de2
# [  160.029417] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800b44af08
# [  160.029951] FS:  00007f02b3e3c800(0000) GS:ffff8880996a7000(0000) knlGS:0000000000000000
# [  160.030726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  160.031312] CR2: 00000000004e5770 CR3: 000000000e1d3002 CR4: 0000000000772ef0
# [  160.032173] PKRU: 55555554
# [  160.032523] Call Trace:
# [  160.032962]  <TASK>
# [  160.033279] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  160.033869] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  160.034489] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
# [  160.035087] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# [  160.035835] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
# [  160.036476] netif_set_mtu (net/core/dev.c:9652) 
# [  160.037079] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  160.037723] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
# [  160.038566] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  160.039023] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  160.039879] br_add_if (net/bridge/br_if.c:697) bridge 
# [  160.040584] do_set_master (net/core/rtnetlink.c:2948) 
# [  160.041198] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  160.041763] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  160.042262] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  160.042673] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  160.043053] ? __kernel_text_address (kernel/extable.c:79) 
# [  160.043459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  160.043802] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
# [  160.044148] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  160.044660] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  160.045041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  160.045434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  160.045774] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  160.046167] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  160.046538] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  160.046876] ? __create_object (mm/kmemleak.c:771) 
# [  160.047218] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  160.047557] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  160.047924] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  160.048355] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  160.048706] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  160.049035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  160.049371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  160.049714] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  160.050042] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  160.050376] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  160.050781] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  160.051124] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  160.051452] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  160.051801] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  160.052240] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  160.052576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  160.052920] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  160.053272] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  160.053696] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
# [  160.054022] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  160.054384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  160.054790] ? __create_object (mm/kmemleak.c:771) 
# [  160.055215] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  160.055584] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  160.056211] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  160.056649] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  160.057056] ? __kasan_kmalloc (mm/kasan/common.c:398) 
# [  160.057414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  160.057760] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  160.058156] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  160.058692] ___sys_sendmsg (net/socket.c:2670) 
# [  160.059081] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  160.059472] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
# [  160.060002] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  160.060486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  160.061055] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  160.061656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  160.062247] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  160.062853] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  160.063475] __sys_sendmsg (net/socket.c:2700) 
# [  160.064073] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  160.064450] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
# [  160.064814] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
# [  160.065267] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  160.065695] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  160.066180] RIP: 0033:0x7f02b40091e7
# [ 160.066557] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
# [  160.068224] RSP: 002b:00007ffe51224fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  160.068871] RAX: ffffffffffffffda RBX: 00007ffe51225700 RCX: 00007f02b40091e7
# [  160.069545] RDX: 0000000000000000 RSI: 00007ffe51225040 RDI: 0000000000000005
# [  160.070402] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  160.071307] R10: 000000000d40c910 R11: 0000000000000246 R12: 0000000000000003
# [  160.072224] R13: 00000000686e18fd R14: 0000000000499600 R15: 0000000000000000
| [  157.479611][ T1383] c1: entered promiscuous mode
| [  157.485280][ T1383] ------------[ cut here ]------------
| [ 157.485827][ T1383] WARNING: CPU: 0 PID: 1383 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  157.487027][ T1383] Modules linked in: bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[  157.489872][ T1383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.490629][ T1383] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 157.491261][ T1383] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  157.493319][ T1383] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[  157.494064][ T1383] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  157.494977][ T1383] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
[  157.495879][ T1383] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[  157.497006][ T1383] R10: ffffc90000597010 R11: ffffffff9af798a0 R12: 1ffff920000b2de2
[  157.497950][ T1383] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800b44af08
[  157.498863][ T1383] FS:  00007efea987f800(0000) GS:ffff8880996a7000(0000) knlGS:0000000000000000
[  157.499870][ T1383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  157.500613][ T1383] CR2: 00000000004e6888 CR3: 000000000c0c2003 CR4: 0000000000772ef0
[  157.501507][ T1383] PKRU: 55555554
[  157.501947][ T1383] Call Trace:
[  157.502404][ T1383]  <TASK>
[ 157.502700][ T1383] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 157.503326][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.503915][ T1383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 157.504511][ T1383] netif_set_mtu (net/core/dev.c:9652) 
[ 157.505078][ T1383] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 157.505720][ T1383] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 157.506174][ T1383] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 157.506974][ T1383] br_add_if (net/bridge/br_if.c:697) bridge 
[ 157.507672][ T1383] do_set_master (net/core/rtnetlink.c:2948) 
[ 157.508276][ T1383] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 157.508862][ T1383] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 157.509604][ T1383] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 157.510197][ T1383] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 157.510773][ T1383] ? __kernel_text_address (kernel/extable.c:79) 
[ 157.511381][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.511977][ T1383] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 157.512573][ T1383] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 157.513323][ T1383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.513915][ T1383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 157.514514][ T1383] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 157.515088][ T1383] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 157.515691][ T1383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 157.516297][ T1383] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 157.516628][ T1383] ? __create_object (mm/kmemleak.c:771) 
[ 157.516954][ T1383] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 157.517301][ T1383] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 157.517628][ T1383] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 157.518029][ T1383] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 157.518368][ T1383] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 157.518700][ T1383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.519026][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.519370][ T1383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 157.519694][ T1383] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 157.520015][ T1383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.520347][ T1383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 157.520671][ T1383] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 157.520992][ T1383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.521336][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.521671][ T1383] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 157.521993][ T1383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 157.522326][ T1383] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 157.522669][ T1383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 157.522991][ T1383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 157.523327][ T1383] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 157.523662][ T1383] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 157.523988][ T1383] ? __create_object (mm/kmemleak.c:771) 
[ 157.524317][ T1383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.524645][ T1383] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 157.524970][ T1383] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 157.525312][ T1383] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 157.525639][ T1383] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 157.525968][ T1383] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 157.526318][ T1383] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 157.526642][ T1383] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 157.527058][ T1383] ___sys_sendmsg (net/socket.c:2670) 
[ 157.527398][ T1383] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 157.527722][ T1383] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 157.528140][ T1383] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 157.528468][ T1383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 157.528802][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 157.529151][ T1383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 157.529477][ T1383] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 157.529799][ T1383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 157.530139][ T1383] __sys_sendmsg (net/socket.c:2700) 
[ 157.530461][ T1383] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 157.530785][ T1383] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
[ 157.531133][ T1383] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
[ 157.531560][ T1383] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 157.531886][ T1383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.532299][ T1383] RIP: 0033:0x7efea9a4c1e7
[ 157.532647][ T1383] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  157.533853][ T1383] RSP: 002b:00007ffd9a3164b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.534356][ T1383] RAX: ffffffffffffffda RBX: 00007ffd9a316be0 RCX: 00007efea9a4c1e7
[  157.534843][ T1383] RDX: 0000000000000000 RSI: 00007ffd9a316520 RDI: 0000000000000005
[  157.535341][ T1383] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  157.535834][ T1383] R10: 0000000039010910 R11: 0000000000000246 R12: 0000000000000003
[  157.536347][ T1383] R13: 00000000686e18fb R14: 0000000000499600 R15: 0000000000000000
| [  158.353587][ T1388] ------------[ cut here ]------------
| [ 158.353958][ T1388] WARNING: CPU: 1 PID: 1388 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  158.354623][ T1388] Modules linked in: bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  158.356915][ T1388] Tainted: [W]=WARN
[  158.357188][ T1388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.357592][ T1388] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 158.357922][ T1388] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.359086][ T1388] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[  158.359516][ T1388] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  158.360020][ T1388] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
[  158.360504][ T1388] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[  158.360990][ T1388] R10: ffffc900005f7010 R11: ffffffff9b8b19b8 R12: 1ffff920000bede2
[  158.361474][ T1388] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff88800b44af08
[  158.362000][ T1388] FS:  00007f2e2a88c800(0000) GS:ffff888099727000(0000) knlGS:0000000000000000
[  158.362566][ T1388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.362991][ T1388] CR2: 00000000004e6888 CR3: 000000000e1d2002 CR4: 0000000000772ef0
[  158.363604][ T1388] PKRU: 55555554
[  158.363845][ T1388] Call Trace:
[  158.364088][ T1388]  <TASK>
[ 158.364271][ T1388] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.364590][ T1388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 158.364912][ T1388] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 158.365246][ T1388] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 158.365640][ T1388] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 158.365961][ T1388] netif_set_mtu (net/core/dev.c:9652) 
[ 158.366298][ T1388] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.366640][ T1388] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 158.367090][ T1388] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.367362][ T1388] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 158.367796][ T1388] br_add_if (net/bridge/br_if.c:697) bridge 
[ 158.368173][ T1388] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.368496][ T1388] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 158.368824][ T1388] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 158.369232][ T1388] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 158.369549][ T1388] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 158.369863][ T1388] ? __kernel_text_address (kernel/extable.c:79) 
[ 158.370198][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.370519][ T1388] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 158.370835][ T1388] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 158.371254][ T1388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.371575][ T1388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.371956][ T1388] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 158.372291][ T1388] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 158.372612][ T1388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 158.372927][ T1388] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.373257][ T1388] ? __create_object (mm/kmemleak.c:771) 
[ 158.373576][ T1388] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 158.373931][ T1388] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 158.374260][ T1388] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 158.374651][ T1388] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 158.374985][ T1388] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.375612][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.376214][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.376824][ T1388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 158.377427][ T1388] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.378013][ T1388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.378593][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.379204][ T1388] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.379797][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.380404][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.381003][ T1388] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.381609][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.382193][ T1388] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.382657][ T1388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.382996][ T1388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 158.383353][ T1388] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 158.383688][ T1388] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.384128][ T1388] ? __create_object (mm/kmemleak.c:771) 
[ 158.384447][ T1388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.384775][ T1388] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.385127][ T1388] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.385446][ T1388] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.385768][ T1388] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 158.386122][ T1388] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.386455][ T1388] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.386772][ T1388] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.387408][ T1388] ___sys_sendmsg (net/socket.c:2670) 
[ 158.387729][ T1388] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 158.388056][ T1388] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 158.388468][ T1388] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.388792][ T1388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 158.389136][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.389464][ T1388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 158.389782][ T1388] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 158.390135][ T1388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.390468][ T1388] __sys_sendmsg (net/socket.c:2700) 
[ 158.390786][ T1388] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.391169][ T1388] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
[ 158.391521][ T1388] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
[ 158.391940][ T1388] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.392304][ T1388] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.392703][ T1388] RIP: 0033:0x7f2e2aa591e7
[ 158.393149][ T1388] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  158.395253][ T1388] RSP: 002b:00007ffc9c02a548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.395875][ T1388] RAX: ffffffffffffffda RBX: 00007ffc9c02ac70 RCX: 00007f2e2aa591e7
[  158.396432][ T1388] RDX: 0000000000000000 RSI: 00007ffc9c02a5b0 RDI: 0000000000000005
[  158.396911][ T1388] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  158.397416][ T1388] R10: 000000002639c910 R11: 0000000000000246 R12: 0000000000000003
[  158.397904][ T1388] R13: 00000000686e18fc R14: 0000000000499600 R15: 0000000000000000
| [  159.175745][ T1393] ------------[ cut here ]------------
| [ 159.176080][ T1393] WARNING: CPU: 3 PID: 1393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  159.176748][ T1393] Modules linked in: bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  159.178404][ T1393] Tainted: [W]=WARN
[  159.178642][ T1393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 159.179045][ T1393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 159.179595][ T1393] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  159.180985][ T1393] RSP: 0018:ffffc90001316ef0 EFLAGS: 00010246
[  159.181651][ T1393] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  159.182331][ T1393] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
[  159.182810][ T1393] RBP: ffffc90001316fe0 R08: 0000000000000000 R09: 0000000000000000
[  159.183395][ T1393] R10: ffffc90001317010 R11: ffffffff9af798a0 R12: 1ffff92000262de2
[  159.183882][ T1393] R13: 00000000000005dc R14: ffffc90001317010 R15: ffff88800b44af08
[  159.184380][ T1393] FS:  00007f0fa2722800(0000) GS:ffff888099827000(0000) knlGS:0000000000000000
[  159.184938][ T1393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  159.185339][ T1393] CR2: 00000000004e6888 CR3: 000000000e1a0005 CR4: 0000000000772ef0
[  159.185819][ T1393] PKRU: 55555554
[  159.186066][ T1393] Call Trace:
[  159.186357][ T1393]  <TASK>
[ 159.186536][ T1393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 159.186886][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.187245][ T1393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 159.187579][ T1393] netif_set_mtu (net/core/dev.c:9652) 
[ 159.187908][ T1393] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 159.188262][ T1393] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 159.188514][ T1393] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 159.188996][ T1393] br_add_if (net/bridge/br_if.c:697) bridge 
[ 159.189392][ T1393] do_set_master (net/core/rtnetlink.c:2948) 
[ 159.189712][ T1393] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 159.190060][ T1393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 159.190470][ T1393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 159.190792][ T1393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 159.191133][ T1393] ? __kernel_text_address (kernel/extable.c:79) 
[ 159.191476][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.191788][ T1393] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 159.192115][ T1393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 159.192525][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.192859][ T1393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 159.193187][ T1393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 159.193516][ T1393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 159.193835][ T1393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 159.194192][ T1393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 159.194507][ T1393] ? __create_object (mm/kmemleak.c:771) 
[ 159.194822][ T1393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 159.195175][ T1393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 159.195552][ T1393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 159.195963][ T1393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 159.196344][ T1393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 159.196695][ T1393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.197049][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.197423][ T1393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 159.197769][ T1393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 159.198110][ T1393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.198428][ T1393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 159.198760][ T1393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 159.199074][ T1393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.199415][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.199731][ T1393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 159.200061][ T1393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 159.200383][ T1393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 159.200706][ T1393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 159.201040][ T1393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 159.201391][ T1393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 159.201747][ T1393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 159.202075][ T1393] ? __create_object (mm/kmemleak.c:771) 
[ 159.202411][ T1393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.202774][ T1393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 159.203147][ T1393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 159.203492][ T1393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 159.203829][ T1393] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 159.204190][ T1393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 159.204547][ T1393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 159.204892][ T1393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 159.205317][ T1393] ___sys_sendmsg (net/socket.c:2670) 
[ 159.205659][ T1393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 159.205988][ T1393] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 159.206455][ T1393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 159.206812][ T1393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 159.207166][ T1393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 159.207526][ T1393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 159.207868][ T1393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 159.208223][ T1393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 159.208567][ T1393] __sys_sendmsg (net/socket.c:2700) 
[ 159.208905][ T1393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 159.209249][ T1393] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
[ 159.209603][ T1393] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
[ 159.210030][ T1393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 159.210371][ T1393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  159.210794][ T1393] RIP: 0033:0x7f0fa28ef1e7
[ 159.211167][ T1393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  159.212402][ T1393] RSP: 002b:00007ffebc570d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  159.212925][ T1393] RAX: ffffffffffffffda RBX: 00007ffebc5714b0 RCX: 00007f0fa28ef1e7
[  159.213440][ T1393] RDX: 0000000000000000 RSI: 00007ffebc570df0 RDI: 0000000000000005
[  159.213957][ T1393] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  159.214479][ T1393] R10: 0000000012ad1910 R11: 0000000000000246 R12: 0000000000000003
[  159.214985][ T1393] R13: 00000000686e18fc R14: 0000000000499600 R15: 0000000000000000
| [  160.020842][ T1398] ------------[ cut here ]------------
| [ 160.022188][ T1398] WARNING: CPU: 0 PID: 1398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  160.022917][ T1398] Modules linked in: bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  160.024623][ T1398] Tainted: [W]=WARN
[  160.024904][ T1398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.025375][ T1398] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 160.025716][ T1398] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.026911][ T1398] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[  160.027342][ T1398] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  160.027825][ T1398] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
[  160.028353][ T1398] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[  160.028857][ T1398] R10: ffffc90000537010 R11: ffffffff9b8b19b8 R12: 1ffff920000a6de2
[  160.029417][ T1398] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800b44af08
[  160.029951][ T1398] FS:  00007f02b3e3c800(0000) GS:ffff8880996a7000(0000) knlGS:0000000000000000
[  160.030726][ T1398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.031312][ T1398] CR2: 00000000004e5770 CR3: 000000000e1d3002 CR4: 0000000000772ef0
[  160.032173][ T1398] PKRU: 55555554
[  160.032523][ T1398] Call Trace:
[  160.032962][ T1398]  <TASK>
[ 160.033279][ T1398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.033869][ T1398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.034489][ T1398] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 160.035087][ T1398] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 160.035835][ T1398] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 160.036476][ T1398] netif_set_mtu (net/core/dev.c:9652) 
[ 160.037079][ T1398] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.037723][ T1398] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 160.038566][ T1398] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.039023][ T1398] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.039879][ T1398] br_add_if (net/bridge/br_if.c:697) bridge 
[ 160.040584][ T1398] do_set_master (net/core/rtnetlink.c:2948) 
[ 160.041198][ T1398] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.041763][ T1398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 160.042262][ T1398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 160.042673][ T1398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 160.043053][ T1398] ? __kernel_text_address (kernel/extable.c:79) 
[ 160.043459][ T1398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.043802][ T1398] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 160.044148][ T1398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 160.044660][ T1398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.045041][ T1398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.045434][ T1398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 160.045774][ T1398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 160.046167][ T1398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.046538][ T1398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.046876][ T1398] ? __create_object (mm/kmemleak.c:771) 
[ 160.047218][ T1398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 160.047557][ T1398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 160.047924][ T1398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 160.048355][ T1398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 160.048706][ T1398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.049035][ T1398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.049371][ T1398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.049714][ T1398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.050042][ T1398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.050376][ T1398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.050781][ T1398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.051124][ T1398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.051452][ T1398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.051801][ T1398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.052240][ T1398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.052576][ T1398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.052920][ T1398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.053272][ T1398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.053696][ T1398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 160.054022][ T1398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.054384][ T1398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.054790][ T1398] ? __create_object (mm/kmemleak.c:771) 
[ 160.055215][ T1398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.055584][ T1398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.056211][ T1398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.056649][ T1398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.057056][ T1398] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 160.057414][ T1398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.057760][ T1398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.058156][ T1398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.058692][ T1398] ___sys_sendmsg (net/socket.c:2670) 
[ 160.059081][ T1398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 160.059472][ T1398] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 160.060002][ T1398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.060486][ T1398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.061055][ T1398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.061656][ T1398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.062247][ T1398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 160.062853][ T1398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.063475][ T1398] __sys_sendmsg (net/socket.c:2700) 
[ 160.064073][ T1398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.064450][ T1398] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
[ 160.064814][ T1398] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
[ 160.065267][ T1398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.065695][ T1398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.066180][ T1398] RIP: 0033:0x7f02b40091e7
[ 160.066557][ T1398] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  160.068224][ T1398] RSP: 002b:00007ffe51224fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.068871][ T1398] RAX: ffffffffffffffda RBX: 00007ffe51225700 RCX: 00007f02b40091e7
[  160.069545][ T1398] RDX: 0000000000000000 RSI: 00007ffe51225040 RDI: 0000000000000005
[  160.070402][ T1398] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  160.071307][ T1398] R10: 000000000d40c910 R11: 0000000000000246 R12: 0000000000000003
[  160.072224][ T1398] R13: 00000000686e18fd R14: 0000000000499600 R15: 0000000000000000
| [  175.225792][   T69] ------------[ cut here ]------------
| [ 175.226129][ T69] WARNING: CPU: 1 PID: 69 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  175.226851][   T69] Modules linked in: nf_conntrack_netlink nfnetlink_queue nft_queue nft_ct nf_conntrack br_netfilter bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  175.228989][   T69] Tainted: [W]=WARN
[  175.229239][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  175.229628][   T69] Workqueue: netns cleanup_net
[ 175.229959][ T69] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 175.230290][ T69] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  175.231440][   T69] RSP: 0018:ffffc900004a75b0 EFLAGS: 00010246
[  175.231839][   T69] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  175.232336][   T69] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
[  175.232892][   T69] RBP: ffffc900004a76a0 R08: 0000000000000000 R09: 0000000000000000
[  175.233427][   T69] R10: ffffc900004a76d0 R11: ffffffff976914d8 R12: 1ffff92000094eba
[  175.233990][   T69] R13: 00000000000005dc R14: ffffc900004a76d0 R15: ffff88800b44af08
[  175.234471][   T69] FS:  0000000000000000(0000) GS:ffff888099727000(0000) knlGS:0000000000000000
[  175.235123][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  175.235563][   T69] CR2: 00007ffbc720e160 CR3: 000000000e1bc005 CR4: 0000000000772ef0
[  175.236162][   T69] PKRU: 55555554
[  175.236492][   T69] Call Trace:
[  175.236836][   T69]  <TASK>
[ 175.237129][ T69] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 175.237695][ T69] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 175.238412][ T69] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 175.239043][ T69] ? br_device_event (net/bridge/br.c:141) bridge 
[ 175.239682][ T69] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 175.240254][ T69] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 175.240778][ T69] ? cleanup_net (net/core/net_namespace.c:684) 
[ 175.241163][ T69] ? process_one_work (kernel/workqueue.c:3238) 
[ 175.241616][ T69] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 175.242062][ T69] ? kthread (kernel/kthread.c:464) 
[ 175.242315][ T69] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 175.242670][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 175.243057][ T69] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 175.243528][ T69] netif_set_mtu (net/core/dev.c:9652) 
[ 175.244039][ T69] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 175.244646][ T69] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 175.245072][ T69] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 175.245859][ T69] br_del_if (net/bridge/br_if.c:743) bridge 
[ 175.246401][ T69] br_device_event (net/bridge/br.c:141) bridge 
[ 175.246763][ T69] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 175.247207][ T69] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 175.247644][ T69] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 175.248067][ T69] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 175.248488][ T69] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 175.248822][ T69] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 175.249217][ T69] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 175.249729][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 175.250170][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 175.250658][ T69] default_device_exit_batch (net/core/dev.c:12673) 
[ 175.251069][ T69] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 175.251482][ T69] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 175.251893][ T69] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 175.252315][ T69] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 175.252681][ T69] cleanup_net (net/core/net_namespace.c:684) 
[ 175.253048][ T69] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 175.253464][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 175.253808][ T69] process_one_work (kernel/workqueue.c:3238) 
[ 175.254247][ T69] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 175.254573][ T69] ? assign_work (kernel/workqueue.c:1200) 
[ 175.254960][ T69] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 175.255334][ T69] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 175.255757][ T69] kthread (kernel/kthread.c:464) 
[ 175.256047][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 175.256431][ T69] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 175.256834][ T69] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 175.257171][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 175.257576][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 175.257996][ T69] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 175.258323][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 175.258720][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  176.040770][   T69] ------------[ cut here ]------------
| [ 176.041147][ T69] WARNING: CPU: 3 PID: 69 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  176.041722][   T69] Modules linked in: nf_conntrack_netlink nfnetlink_queue nft_queue nft_ct nf_conntrack br_netfilter bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  176.043844][   T69] Tainted: [W]=WARN
[  176.044120][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  176.044511][   T69] Workqueue: netns cleanup_net
[ 176.044848][ T69] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 176.045188][ T69] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  176.046379][   T69] RSP: 0018:ffffc900004a75b0 EFLAGS: 00010246
[  176.046798][   T69] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  176.047280][   T69] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
[  176.047773][   T69] RBP: ffffc900004a76a0 R08: 0000000000000000 R09: 0000000000000000
[  176.048286][   T69] R10: ffffc900004a76d0 R11: ffffffff9af798a0 R12: 1ffff92000094eba
[  176.048769][   T69] R13: 00000000000005dc R14: ffffc900004a76d0 R15: ffff88800b44af08
[  176.049277][   T69] FS:  0000000000000000(0000) GS:ffff888099827000(0000) knlGS:0000000000000000
[  176.049839][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  176.050255][   T69] CR2: 00007fed42e35000 CR3: 0000000029536006 CR4: 0000000000772ef0
[  176.050729][   T69] PKRU: 55555554
[  176.050965][   T69] Call Trace:
[  176.051206][   T69]  <TASK>
[ 176.051366][ T69] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 176.051698][ T69] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 176.052088][ T69] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 176.052456][ T69] ? br_device_event (net/bridge/br.c:141) bridge 
[ 176.052853][ T69] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 176.053182][ T69] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 176.053514][ T69] ? cleanup_net (net/core/net_namespace.c:684) 
[ 176.053833][ T69] ? process_one_work (kernel/workqueue.c:3238) 
[ 176.054170][ T69] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 176.054491][ T69] ? kthread (kernel/kthread.c:464) 
[ 176.054733][ T69] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 176.055074][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 176.055399][ T69] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.055725][ T69] netif_set_mtu (net/core/dev.c:9652) 
[ 176.056042][ T69] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 176.056396][ T69] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 176.056637][ T69] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 176.057074][ T69] br_del_if (net/bridge/br_if.c:743) bridge 
[ 176.057443][ T69] br_device_event (net/bridge/br.c:141) bridge 
[ 176.057793][ T69] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 176.058233][ T69] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 176.058666][ T69] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 176.058988][ T69] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 176.059393][ T69] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 176.059707][ T69] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 176.060110][ T69] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 176.060508][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 176.060900][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 176.061305][ T69] default_device_exit_batch (net/core/dev.c:12673) 
[ 176.061621][ T69] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 176.062020][ T69] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 176.062356][ T69] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 176.062671][ T69] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 176.062995][ T69] cleanup_net (net/core/net_namespace.c:684) 
[ 176.063323][ T69] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 176.063641][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.063962][ T69] process_one_work (kernel/workqueue.c:3238) 
[ 176.064295][ T69] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 176.064617][ T69] ? assign_work (kernel/workqueue.c:1200) 
[ 176.064943][ T69] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 176.065277][ T69] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 176.065596][ T69] kthread (kernel/kthread.c:464) 
[ 176.065835][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 176.066154][ T69] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 176.066476][ T69] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 176.066792][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.067114][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 176.067439][ T69] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 176.067757][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 176.068070][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  176.684951][   T69] ------------[ cut here ]------------
| [ 176.685466][ T69] WARNING: CPU: 1 PID: 69 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  176.686383][   T69] Modules linked in: nf_conntrack_netlink nfnetlink_queue nft_queue nft_ct nf_conntrack br_netfilter bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  176.688454][   T69] Tainted: [W]=WARN
[  176.688692][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  176.689131][   T69] Workqueue: netns cleanup_net
[ 176.689480][ T69] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 176.689800][ T69] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  176.690968][   T69] RSP: 0018:ffffc900004a75b0 EFLAGS: 00010246
[  176.691387][   T69] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  176.691878][   T69] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
[  176.692372][   T69] RBP: ffffc900004a76a0 R08: 0000000000000000 R09: 0000000000000000
[  176.692839][   T69] R10: ffffc900004a76d0 R11: ffffffff9af798a0 R12: 1ffff92000094eba
[  176.693334][   T69] R13: 00000000000005dc R14: ffffc900004a76d0 R15: ffff88800b44af08
[  176.693811][   T69] FS:  0000000000000000(0000) GS:ffff888099727000(0000) knlGS:0000000000000000
[  176.694390][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  176.694790][   T69] CR2: 00007f1352af4000 CR3: 0000000029536001 CR4: 0000000000772ef0
[  176.695287][   T69] PKRU: 55555554
[  176.695525][   T69] Call Trace:
[  176.695762][   T69]  <TASK>
[ 176.695921][ T69] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 176.696267][ T69] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 176.696683][ T69] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 176.697053][ T69] ? br_device_event (net/bridge/br.c:141) bridge 
[ 176.697422][ T69] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 176.697735][ T69] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 176.698046][ T69] ? cleanup_net (net/core/net_namespace.c:684) 
[ 176.698379][ T69] ? process_one_work (kernel/workqueue.c:3238) 
[ 176.698694][ T69] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 176.699005][ T69] ? kthread (kernel/kthread.c:464) 
[ 176.699273][ T69] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 176.699586][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 176.699902][ T69] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.700249][ T69] netif_set_mtu (net/core/dev.c:9652) 
[ 176.700563][ T69] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 176.700895][ T69] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 176.701154][ T69] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 176.701588][ T69] br_del_if (net/bridge/br_if.c:743) bridge 
[ 176.701942][ T69] br_device_event (net/bridge/br.c:141) bridge 
[ 176.702318][ T69] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 176.702745][ T69] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 176.703197][ T69] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 176.703521][ T69] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 176.703913][ T69] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 176.704253][ T69] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 176.704649][ T69] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 176.705033][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 176.705449][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 176.705846][ T69] default_device_exit_batch (net/core/dev.c:12673) 
[ 176.706185][ T69] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 176.706596][ T69] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 176.706918][ T69] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 176.707251][ T69] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 176.707572][ T69] cleanup_net (net/core/net_namespace.c:684) 
[ 176.707889][ T69] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 176.708229][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.708549][ T69] process_one_work (kernel/workqueue.c:3238) 
[ 176.708872][ T69] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 176.709225][ T69] ? assign_work (kernel/workqueue.c:1200) 
[ 176.709542][ T69] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 176.709867][ T69] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 176.710214][ T69] kthread (kernel/kthread.c:464) 
[ 176.710453][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 176.710763][ T69] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 176.711074][ T69] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 176.711414][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.711731][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 176.712045][ T69] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 176.712376][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 176.712691][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  177.342598][   T69] ------------[ cut here ]------------
| [ 177.342964][ T69] WARNING: CPU: 3 PID: 69 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  177.343571][   T69] Modules linked in: nf_conntrack_netlink nfnetlink_queue nft_queue nft_ct nf_conntrack br_netfilter bridge stp llc tcp_diag nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  177.345758][   T69] Tainted: [W]=WARN
[  177.346013][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  177.346457][   T69] Workqueue: netns cleanup_net
[ 177.346830][ T69] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 177.347194][ T69] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  177.348509][   T69] RSP: 0018:ffffc900004a75b0 EFLAGS: 00010246
[  177.348989][   T69] RAX: 0000000000000000 RBX: ffff88800b44a000 RCX: 0000000000000001
[  177.349481][   T69] RDX: 0000000000000000 RSI: ffffffff9aa9f52e RDI: ffffffff9a25a5a0
[  177.349960][   T69] RBP: ffffc900004a76a0 R08: 0000000000000000 R09: 0000000000000000
[  177.350464][   T69] R10: ffffc900004a76d0 R11: ffffffff9af798a0 R12: 1ffff92000094eba
[  177.350951][   T69] R13: 00000000000005dc R14: ffffc900004a76d0 R15: ffff88800b44af08
[  177.351449][   T69] FS:  0000000000000000(0000) GS:ffff888099827000(0000) knlGS:0000000000000000
[  177.352013][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  177.352449][   T69] CR2: 000055ef4529cdec CR3: 0000000029536001 CR4: 0000000000772ef0
[  177.352927][   T69] PKRU: 55555554
[  177.353207][   T69] Call Trace:
[  177.353629][   T69]  <TASK>
[ 177.353915][ T69] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 177.354490][ T69] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 177.355204][ T69] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 177.355856][ T69] ? br_device_event (net/bridge/br.c:141) bridge 
[ 177.356510][ T69] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 177.357084][ T69] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 177.357662][ T69] ? cleanup_net (net/core/net_namespace.c:684) 
[ 177.358241][ T69] ? process_one_work (kernel/workqueue.c:3238) 
[ 177.358799][ T69] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 177.359330][ T69] ? kthread (kernel/kthread.c:464) 
[ 177.359576][ T69] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 177.359897][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 177.360243][ T69] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 177.360571][ T69] netif_set_mtu (net/core/dev.c:9652) 
[ 177.360895][ T69] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 177.361251][ T69] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 177.361490][ T69] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 177.361935][ T69] br_del_if (net/bridge/br_if.c:743) bridge 
[ 177.362323][ T69] br_device_event (net/bridge/br.c:141) bridge 
[ 177.362670][ T69] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 177.363212][ T69] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 177.363649][ T69] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 177.363969][ T69] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 177.364385][ T69] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 177.364699][ T69] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 177.365104][ T69] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 177.365506][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 177.365894][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 177.366319][ T69] default_device_exit_batch (net/core/dev.c:12673) 
[ 177.366637][ T69] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 177.367030][ T69] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 177.367383][ T69] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 177.367699][ T69] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 177.368020][ T69] cleanup_net (net/core/net_namespace.c:684) 
[ 177.368360][ T69] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 177.368677][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 177.368995][ T69] process_one_work (kernel/workqueue.c:3238) 
[ 177.369341][ T69] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 177.369663][ T69] ? assign_work (kernel/workqueue.c:1200) 
[ 177.369987][ T69] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 177.370338][ T69] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 177.370655][ T69] kthread (kernel/kthread.c:464) 
[ 177.370893][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 177.371284][ T69] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 177.371851][ T69] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 177.372429][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 177.372845][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 177.373191][ T69] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 177.373503][ T69] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if