======================================
| 0
| xx__-> [   18.384720][  T296] ------------[ cut here ]------------
| [ 18.385169][ T296] WARNING: CPU: 0 PID: 296 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) 
| [   18.387377][  T296] Modules linked in: vrf veth
[   18.388258][  T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.388717][ T296] 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) 
[ 18.389011][ T296] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   18.390189][  T296] RSP: 0018:ffffc90000547140 EFLAGS: 00010246
[   18.390549][  T296] RAX: 0000000000000000 RBX: ffff888008f81000 RCX: 0000000000000001
[   18.390963][  T296] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   18.391391][  T296] RBP: ffffc90000547230 R08: ffff888005472000 R09: 0000000000000000
[   18.391802][  T296] R10: ffffc900005475c8 R11: ffffffff88a50668 R12: 1ffff920000a8e2c
[   18.392252][  T296] R13: 00000000000026ac R14: ffffc90000547880 R15: ffff88800a3f6de0
[   18.392680][  T296] FS:  00007f6e5ba7c800(0000) GS:ffff8880ac4b7000(0000) knlGS:0000000000000000
[   18.393168][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.393526][  T296] CR2: 00000000004e5aa0 CR3: 0000000002535002 CR4: 0000000000772ef0
[   18.393945][  T296] PKRU: 55555554
[   18.394154][  T296] Call Trace:
[   18.394371][  T296]  <TASK>
[ 18.394515][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.394799][ T296] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.395080][ T296] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.395364][ T296] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.395645][ T296] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.395921][ T296] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.396202][ T296] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.396496][ T296] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.396848][ T296] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.397142][ T296] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.397424][ T296] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.397701][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.397978][ T296] ? __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) 
[ 18.398255][ T296] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.398603][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.398880][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.399152][ T296] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.399437][ T296] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.399716][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.399990][ T296] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.400262][ T296] ? __create_object (mm/kmemleak.c:771) 
[ 18.400549][ T296] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.400827][ T296] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.401146][ T296] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.401533][ T296] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.401837][ T296] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.402137][ T296] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.402440][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.402738][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.403030][ T296] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.403338][ T296] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.403638][ T296] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.403931][ T296] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.404227][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.404534][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.404833][ T296] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.405130][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.405438][ T296] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.405745][ T296] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.406045][ T296] ? 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) 
[ 18.406352][ T296] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.406650][ T296] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.406951][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.407252][ T296] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.407559][ T296] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.407855][ T296] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.408157][ T296] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.408469][ T296] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.408775][ T296] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.409152][ T296] ___sys_sendmsg (net/socket.c:2670) 
[ 18.409454][ T296] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.409747][ T296] ? __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) 
[ 18.410110][ T296] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.410414][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.410712][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.411017][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.411321][ T296] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.411616][ T296] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.411917][ T296] __sys_sendmsg (net/socket.c:2700) 
[ 18.412205][ T296] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.412585][ T296] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.412894][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.413187][ T296] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.413497][ T296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.413862][  T296] RIP: 0033:0x7f6e5bc491e7
[ 18.414169][ T296] 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)
[   18.415221][  T296] RSP: 002b:00007ffca57b4178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.415684][  T296] RAX: ffffffffffffffda RBX: 00007ffca57b48a0 RCX: 00007f6e5bc491e7
[   18.416126][  T296] RDX: 0000000000000000 RSI: 00007ffca57b41e0 RDI: 0000000000000005
[   18.416574][  T296] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.417033][  T296] R10: 00007f6e5bb46ee8 R11: 0000000000000246 R12: 0000000000000004
[   18.417498][  T296] R13: 00000000686e350d R14: 0000000000499600 R15: 0000000000000000
| [   22.050980][  T349] ------------[ cut here ]------------
| [ 22.051300][ T349] WARNING: CPU: 1 PID: 349 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) 
| [   22.051918][  T349] Modules linked in: 8021q vrf veth
| [   22.052994][  T349] Tainted: [W]=WARN
[   22.053213][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.053584][ T349] 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) 
[ 22.053899][ T349] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   22.054926][  T349] RSP: 0018:ffffc900004d7140 EFLAGS: 00010246
[   22.055304][  T349] RAX: 0000000000000000 RBX: ffff888005619000 RCX: 0000000000000001
[   22.055742][  T349] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   22.056428][  T349] RBP: ffffc900004d7230 R08: ffff8880096f0800 R09: 0000000000000000
[   22.057209][  T349] R10: ffffc900004d75c8 R11: ffffffff88a50668 R12: 1ffff9200009ae2c
[   22.057989][  T349] R13: 00000000000026ac R14: ffffc900004d7880 R15: ffff88800a3f7be0
[   22.058772][  T349] FS:  00007f8acd06d800(0000) GS:ffff8880ac537000(0000) knlGS:0000000000000000
[   22.059669][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.060050][  T349] CR2: 00000000004e5ab8 CR3: 000000000de53001 CR4: 0000000000772ef0
[   22.060494][  T349] PKRU: 55555554
[   22.060710][  T349] Call Trace:
[   22.060968][  T349]  <TASK>
[ 22.061114][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.061572][ T349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.061853][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.062146][ T349] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.062557][ T349] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 22.062836][ T349] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.063127][ T349] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 22.063538][ T349] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.063898][ T349] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.064411][ T349] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.064831][ T349] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.065125][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.065418][ T349] ? __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) 
[ 22.065698][ T349] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.066054][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.066347][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.066629][ T349] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.066913][ T349] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.067213][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.067504][ T349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.067778][ T349] ? __create_object (mm/kmemleak.c:771) 
[ 22.068139][ T349] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.068435][ T349] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.068716][ T349] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.069074][ T349] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.069373][ T349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.069705][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.069989][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.070275][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.070565][ T349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.070842][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.071132][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.071418][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.071699][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.071992][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.072276][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.072564][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.072844][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.073142][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.073436][ T349] ? 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) 
[ 22.073717][ T349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.074010][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.074286][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.074609][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.074920][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.075204][ T349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.075501][ T349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.075786][ T349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.076077][ T349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.076444][ T349] ___sys_sendmsg (net/socket.c:2670) 
[ 22.076717][ T349] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.077062][ T349] ? __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) 
[ 22.077462][ T349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.077757][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.078055][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.078371][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.078664][ T349] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.078951][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.079240][ T349] __sys_sendmsg (net/socket.c:2700) 
[ 22.079540][ T349] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.079906][ T349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.080201][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.080502][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.080796][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.081146][  T349] RIP: 0033:0x7f8acd23a1e7
[ 22.081451][ T349] 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)
[   22.082481][  T349] RSP: 002b:00007ffce9b7a348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.082951][  T349] RAX: ffffffffffffffda RBX: 00007ffce9b7aa70 RCX: 00007f8acd23a1e7
[   22.083398][  T349] RDX: 0000000000000000 RSI: 00007ffce9b7a3b0 RDI: 0000000000000005
[   22.083819][  T349] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   22.084256][  T349] R10: 00007f8acd137ee8 R11: 0000000000000246 R12: 0000000000000004
[   22.084698][  T349] R13: 00000000686e3510 R14: 0000000000499600 R15: 0000000000000000
| [   24.392301][  T392] ------------[ cut here ]------------
| [ 24.392878][ T392] WARNING: CPU: 0 PID: 392 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) 
| [   24.393835][  T392] Modules linked in: 8021q vrf veth
| [   24.395368][  T392] Tainted: [W]=WARN
[   24.395744][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.396557][ T392] 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) 
[ 24.397115][ T392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   24.398892][  T392] RSP: 0018:ffffc90000507140 EFLAGS: 00010246
[   24.399531][  T392] RAX: 0000000000000000 RBX: ffff888007e11000 RCX: 0000000000000001
[   24.400254][  T392] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   24.401018][  T392] RBP: ffffc90000507230 R08: ffff888009b95000 R09: 0000000000000000
[   24.401752][  T392] R10: ffffc900005075c8 R11: ffffffff88a50668 R12: 1ffff920000a0e2c
[   24.402503][  T392] R13: 00000000000026ac R14: ffffc90000507880 R15: ffff8880098c6de0
[   24.403224][  T392] FS:  00007f3c46f9c800(0000) GS:ffff8880ac4b7000(0000) knlGS:0000000000000000
[   24.404086][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.404724][  T392] CR2: 00000000004e5aa8 CR3: 000000000e88c006 CR4: 0000000000772ef0
[   24.405462][  T392] PKRU: 55555554
[   24.405821][  T392] Call Trace:
[   24.406181][  T392]  <TASK>
[ 24.406450][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.406955][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.407461][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.407956][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.408463][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 24.408979][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 24.409490][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 24.409997][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.410649][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.411141][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.411650][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.412151][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.412686][ T392] ? __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) 
[ 24.413168][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.413781][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.414254][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.414757][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.415223][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.415728][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.416203][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.416705][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 24.417205][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.417703][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.418175][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.418784][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.419264][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.419817][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.420288][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.420803][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.421289][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.421791][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.422270][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.422769][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.423250][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.423761][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.424247][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.424749][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.425235][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.425760][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.426237][ T392] ? 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) 
[ 24.426745][ T392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.427238][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.427746][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.428250][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.428785][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.429286][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.429816][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.430336][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.430845][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.431505][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 24.432005][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.432522][ T392] ? __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) 
[ 24.433122][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.433626][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.434085][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.434617][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.435010][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.435440][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.435827][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 24.436222][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.436715][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.437160][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.437667][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.438131][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.438724][  T392] RIP: 0033:0x7f3c471691e7
[ 24.439209][ T392] 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)
[   24.440918][  T392] RSP: 002b:00007ffda9cbd7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.441652][  T392] RAX: ffffffffffffffda RBX: 00007ffda9cbdee0 RCX: 00007f3c471691e7
[   24.442383][  T392] RDX: 0000000000000000 RSI: 00007ffda9cbd820 RDI: 0000000000000005
[   24.443066][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   24.443738][  T392] R10: 00007f3c47066ee8 R11: 0000000000000246 R12: 0000000000000004
[   24.444434][  T392] R13: 00000000686e3513 R14: 0000000000499600 R15: 0000000000000000
| [   24.978924][  T406] ------------[ cut here ]------------
| [ 24.979668][ T406] WARNING: CPU: 3 PID: 406 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) 
| [   24.980693][  T406] Modules linked in: 8021q vrf veth
| [   24.982263][  T406] Tainted: [W]=WARN
[   24.982667][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.983259][ T406] 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) 
[ 24.983812][ T406] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   24.985681][  T406] RSP: 0018:ffffc900008c7140 EFLAGS: 00010246
[   24.986271][  T406] RAX: 0000000000000000 RBX: ffff888008424000 RCX: 0000000000000001
[   24.987032][  T406] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   24.987789][  T406] RBP: ffffc900008c7230 R08: ffff88800bcaa000 R09: 0000000000000000
[   24.988562][  T406] R10: ffffc900008c75c8 R11: ffffffff88a50668 R12: 1ffff92000118e2c
[   24.989367][  T406] R13: 00000000000026ac R14: ffffc900008c7880 R15: ffff888004d74760
[   24.990180][  T406] FS:  00007f8798a2f800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[   24.991088][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.991734][  T406] CR2: 00000000004e5ab0 CR3: 0000000004cd9003 CR4: 0000000000772ef0
[   24.992507][  T406] PKRU: 55555554
[   24.992887][  T406] Call Trace:
[   24.993264][  T406]  <TASK>
[ 24.993538][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.994064][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.994615][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.995117][ T406] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.995633][ T406] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 24.996148][ T406] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 24.996675][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 24.997205][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.997865][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.998385][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.998889][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.999434][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.999949][ T406] ? __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) 
[ 25.000468][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.001091][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.001616][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.002119][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.002636][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.003162][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.003676][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.004174][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 25.004695][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.005202][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.005723][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.006344][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.006870][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.007443][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.007937][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.008471][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.008973][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.009488][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.009988][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.010505][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.011027][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.011572][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.012090][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.012609][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.013106][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.013648][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.014139][ T406] ? 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) 
[ 25.014671][ T406] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.015212][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.015733][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.016252][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.016780][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.017295][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.017824][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.018360][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.018875][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.019513][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 25.020010][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.020523][ T406] ? __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) 
[ 25.021152][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.021664][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.022181][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.022722][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.023245][ T406] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.023763][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.024293][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 25.024812][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.025450][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.025965][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.026498][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.027019][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.027650][  T406] RIP: 0033:0x7f8798bfc1e7
[ 25.028165][ T406] 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)
[   25.029983][  T406] RSP: 002b:00007fff0a344938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.030757][  T406] RAX: ffffffffffffffda RBX: 00007fff0a345060 RCX: 00007f8798bfc1e7
[   25.031535][  T406] RDX: 0000000000000000 RSI: 00007fff0a3449a0 RDI: 0000000000000005
[   25.032297][  T406] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.033064][  T406] R10: 00007f8798af9ee8 R11: 0000000000000246 R12: 0000000000000004
[   25.033840][  T406] R13: 00000000686e3513 R14: 0000000000499600 R15: 0000000000000000
| [   26.630860][  T433] ------------[ cut here ]------------
| [ 26.631275][ T433] WARNING: CPU: 3 PID: 433 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) 
| [   26.632008][  T433] Modules linked in: bridge stp llc 8021q vrf veth
| [   26.633185][  T433] Tainted: [W]=WARN
[   26.633471][  T433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.633940][ T433] 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) 
[ 26.634279][ T433] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   26.635536][  T433] RSP: 0018:ffffc900008a6ef0 EFLAGS: 00010246
[   26.636022][  T433] RAX: 0000000000000000 RBX: ffff888008e2a000 RCX: 0000000000000001
[   26.636644][  T433] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   26.637270][  T433] RBP: ffffc900008a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.637851][  T433] R10: ffffc900008a7010 R11: ffffffff88aa8918 R12: 1ffff92000114de2
[   26.638403][  T433] R13: 00000000000026ac R14: ffffc900008a7010 R15: ffff888008e2af08
[   26.638933][  T433] FS:  00007f4504a5d800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[   26.639578][  T433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.640024][  T433] CR2: 0000000000406141 CR3: 000000000a47d002 CR4: 0000000000772ef0
[   26.640575][  T433] PKRU: 55555554
[   26.640830][  T433] Call Trace:
[   26.641108][  T433]  <TASK>
[ 26.641282][ T433] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.641645][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.642037][ T433] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.642415][ T433] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.642835][ T433] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.643201][ T433] netif_set_mtu (net/core/dev.c:9652) 
[ 26.643595][ T433] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.643995][ T433] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.644602][ T433] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.644923][ T433] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.645505][ T433] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.645948][ T433] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.646301][ T433] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.646701][ T433] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.647160][ T433] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.647517][ T433] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.647891][ T433] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.648239][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.648605][ T433] ? __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) 
[ 26.648955][ T433] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.649457][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.649828][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.650202][ T433] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.650572][ T433] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.650884][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.651214][ T433] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.651644][ T433] ? __create_object (mm/kmemleak.c:771) 
[ 26.652033][ T433] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.652431][ T433] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.652764][ T433] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.653164][ T433] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.653494][ T433] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.653811][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.654136][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.654467][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.654880][ T433] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.655221][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.655547][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.655862][ T433] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.656332][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.656788][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.657189][ T433] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.657620][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.658061][ T433] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.658518][ T433] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.658831][ T433] ? 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) 
[ 26.659208][ T433] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.659646][ T433] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.659959][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.660290][ T433] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.660644][ T433] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.661093][ T433] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.661429][ T433] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.661841][ T433] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.662172][ T433] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.662668][ T433] ___sys_sendmsg (net/socket.c:2670) 
[ 26.663097][ T433] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.663429][ T433] ? __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) 
[ 26.663930][ T433] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.664489][ T433] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.665005][ T433] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.665576][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.666117][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.666696][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.667270][ T433] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 26.667846][ T433] __sys_sendmsg (net/socket.c:2700) 
[ 26.668435][ T433] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 26.669136][ T433] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.669725][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.670302][ T433] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.670884][ T433] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.671602][  T433] RIP: 0033:0x7f4504c2a1e7
[ 26.672180][ T433] 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)
[   26.674218][  T433] RSP: 002b:00007ffc083666c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.675069][  T433] RAX: ffffffffffffffda RBX: 00007ffc08366df0 RCX: 00007f4504c2a1e7
[   26.675908][  T433] RDX: 0000000000000000 RSI: 00007ffc08366730 RDI: 0000000000000005
[   26.676770][  T433] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.677646][  T433] R10: 00000000335ee910 R11: 0000000000000246 R12: 0000000000000004
[   26.678508][  T433] R13: 00000000686e3515 R14: 0000000000499600 R15: 0000000000000000
| [   26.920702][  T438] ------------[ cut here ]------------
| [ 26.921039][ T438] WARNING: CPU: 3 PID: 438 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) 
| [   26.921691][  T438] Modules linked in: bridge stp llc 8021q vrf veth
| [   26.922807][  T438] Tainted: [W]=WARN
[   26.923043][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.923437][ T438] 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) 
[ 26.923758][ T438] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   26.924863][  T438] RSP: 0018:ffffc90000516ef0 EFLAGS: 00010246
[   26.925253][  T438] RAX: 0000000000000000 RBX: ffff888008e2a000 RCX: 0000000000000001
[   26.925720][  T438] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   26.926185][  T438] RBP: ffffc90000516fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.926656][  T438] R10: ffffc90000517010 R11: ffffffff88aa8918 R12: 1ffff920000a2de2
[   26.927127][  T438] R13: 00000000000026ac R14: ffffc90000517010 R15: ffff888008e2af08
[   26.927614][  T438] FS:  00007f44eaba1800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[   26.928156][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.928770][  T438] CR2: 00000000004e5410 CR3: 000000000e9b9001 CR4: 0000000000772ef0
[   26.929239][  T438] PKRU: 55555554
[   26.929496][  T438] Call Trace:
[   26.929729][  T438]  <TASK>
[ 26.929889][ T438] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.930200][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.930558][ T438] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.930880][ T438] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.931264][ T438] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.931595][ T438] netif_set_mtu (net/core/dev.c:9652) 
[ 26.931907][ T438] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.932226][ T438] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.932664][ T438] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.932900][ T438] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.933336][ T438] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.933690][ T438] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.934006][ T438] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.934328][ T438] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.934717][ T438] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.935026][ T438] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.935353][ T438] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.935679][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.936006][ T438] ? __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) 
[ 26.936329][ T438] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.936713][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.937073][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.937416][ T438] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.937747][ T438] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.938072][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.938408][ T438] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.938731][ T438] ? __create_object (mm/kmemleak.c:771) 
[ 26.939061][ T438] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.939409][ T438] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.939737][ T438] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.940147][ T438] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.940489][ T438] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.940818][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.941144][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.941489][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.941816][ T438] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.942140][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.942477][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.942802][ T438] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.943126][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.943455][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.943771][ T438] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.944080][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.944398][ T438] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.944718][ T438] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.945028][ T438] ? 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) 
[ 26.945346][ T438] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.945658][ T438] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.945965][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.946275][ T438] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.946591][ T438] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.946898][ T438] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.947219][ T438] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.947556][ T438] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.947864][ T438] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.948258][ T438] ___sys_sendmsg (net/socket.c:2670) 
[ 26.948571][ T438] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.948880][ T438] ? __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) 
[ 26.949265][ T438] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.949598][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.949911][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.950228][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.950548][ T438] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.950874][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.951206][ T438] __sys_sendmsg (net/socket.c:2700) 
[ 26.951543][ T438] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.951949][ T438] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.952291][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.952624][ T438] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.952951][ T438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.953365][  T438] RIP: 0033:0x7f44ead6e1e7
[ 26.953700][ T438] 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)
[   26.954873][  T438] RSP: 002b:00007ffc0429b278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.955376][  T438] RAX: ffffffffffffffda RBX: 00007ffc0429b9a0 RCX: 00007f44ead6e1e7
[   26.955863][  T438] RDX: 0000000000000000 RSI: 00007ffc0429b2e0 RDI: 0000000000000005
[   26.956354][  T438] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.956849][  T438] R10: 00000000033cf910 R11: 0000000000000246 R12: 0000000000000004
[   26.957355][  T438] R13: 00000000686e3515 R14: 0000000000499600 R15: 0000000000000000
| [   28.734139][  T479] ------------[ cut here ]------------
| [ 28.734550][ T479] WARNING: CPU: 0 PID: 479 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) 
| [   28.735248][  T479] Modules linked in: bridge stp llc 8021q vrf veth
| [   28.736465][  T479] Tainted: [W]=WARN
[   28.736746][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.737201][ T479] 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) 
[ 28.737620][ T479] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   28.738881][  T479] RSP: 0018:ffffc90000856ef0 EFLAGS: 00010246
[   28.739332][  T479] RAX: 0000000000000000 RBX: ffff88800ed1a000 RCX: 0000000000000001
[   28.739869][  T479] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   28.740435][  T479] RBP: ffffc90000856fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.740962][  T479] R10: ffffc90000857010 R11: ffffffff88aa8918 R12: 1ffff9200010ade2
[   28.741522][  T479] R13: 00000000000026ac R14: ffffc90000857010 R15: ffff88800ed1af08
[   28.742091][  T479] FS:  00007f3155972800(0000) GS:ffff8880ac4b7000(0000) knlGS:0000000000000000
[   28.742716][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.743167][  T479] CR2: 00000000004e5418 CR3: 000000000be21005 CR4: 0000000000772ef0
[   28.743706][  T479] PKRU: 55555554
[   28.743985][  T479] Call Trace:
[   28.744250][  T479]  <TASK>
[ 28.744445][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.744801][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.745163][ T479] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 28.745523][ T479] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 28.745966][ T479] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 28.746330][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 28.746696][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.747075][ T479] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 28.747580][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.747853][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.748342][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.748750][ T479] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.749128][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.749514][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.749978][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.750349][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.750704][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.751074][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.751459][ T479] ? __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) 
[ 28.751859][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.752330][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.752703][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.753065][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.753428][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.753789][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.754153][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.754520][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 28.754903][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.755288][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.755667][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.756113][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.756487][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.756911][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.757296][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.757679][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.758038][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.758403][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.758785][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.759136][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.759503][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.759868][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.760228][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.760634][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.761022][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.761402][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.761751][ T479] ? 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) 
[ 28.762120][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.762493][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.762853][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.763227][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.763609][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.763963][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.764350][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.764774][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.765128][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.765599][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 28.765957][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.766318][ T479] ? __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) 
[ 28.766759][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.767140][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.767516][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.767926][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.768296][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.768706][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.769091][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 28.769458][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.769907][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.770275][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.770653][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.771041][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.771519][  T479] RIP: 0033:0x7f3155b3f1e7
[ 28.771908][ T479] 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)
[   28.773220][  T479] RSP: 002b:00007fff5544c298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.773763][  T479] RAX: ffffffffffffffda RBX: 00007fff5544c9c0 RCX: 00007f3155b3f1e7
[   28.774298][  T479] RDX: 0000000000000000 RSI: 00007fff5544c300 RDI: 0000000000000005
[   28.774838][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.775355][  T479] R10: 000000003a6a5910 R11: 0000000000000246 R12: 0000000000000004
[   28.775866][  T479] R13: 00000000686e3517 R14: 0000000000499600 R15: 0000000000000000
| [   28.977791][  T484] ------------[ cut here ]------------
| [ 28.978143][ T484] WARNING: CPU: 1 PID: 484 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) 
| [   28.978784][  T484] Modules linked in: bridge stp llc 8021q vrf veth
| [   28.979921][  T484] Tainted: [W]=WARN
[   28.980163][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.980722][ T484] 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) 
[ 28.981056][ T484] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   28.982199][  T484] RSP: 0018:ffffc900008a6ef0 EFLAGS: 00010246
[   28.982611][  T484] RAX: 0000000000000000 RBX: ffff88800ed1a000 RCX: 0000000000000001
[   28.983088][  T484] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   28.983588][  T484] RBP: ffffc900008a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.984069][  T484] R10: ffffc900008a7010 R11: ffffffff88aa8918 R12: 1ffff92000114de2
[   28.984541][  T484] R13: 00000000000026ac R14: ffffc900008a7010 R15: ffff88800ed1af08
[   28.985013][  T484] FS:  00007f2dcf189800(0000) GS:ffff8880ac537000(0000) knlGS:0000000000000000
[   28.985564][  T484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.985987][  T484] CR2: 00000000004e5418 CR3: 000000000ed33005 CR4: 0000000000772ef0
[   28.986466][  T484] PKRU: 55555554
[   28.986702][  T484] Call Trace:
[   28.986933][  T484]  <TASK>
[ 28.987118][ T484] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.987450][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.987764][ T484] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 28.988074][ T484] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 28.988483][ T484] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 28.988794][ T484] netif_set_mtu (net/core/dev.c:9652) 
[ 28.989112][ T484] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.989438][ T484] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 28.989892][ T484] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.990138][ T484] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.990571][ T484] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.990937][ T484] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.991257][ T484] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.991589][ T484] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.991990][ T484] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.992324][ T484] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.992628][ T484] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.992944][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.993251][ T484] ? __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) 
[ 28.993568][ T484] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.993953][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.994261][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.994578][ T484] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.994884][ T484] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.995196][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.995522][ T484] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.995825][ T484] ? __create_object (mm/kmemleak.c:771) 
[ 28.996137][ T484] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.996450][ T484] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.996755][ T484] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.997150][ T484] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.997474][ T484] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.997788][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.998094][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.998418][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.998726][ T484] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.999027][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.999356][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.999661][ T484] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.999965][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.000290][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.000611][ T484] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.000918][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.001226][ T484] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.001557][ T484] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.001860][ T484] ? 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) 
[ 29.002168][ T484] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.002486][ T484] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.002790][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.003113][ T484] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.003444][ T484] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.003756][ T484] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.004071][ T484] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.004391][ T484] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.004699][ T484] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.005090][ T484] ___sys_sendmsg (net/socket.c:2670) 
[ 29.005402][ T484] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.005713][ T484] ? __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) 
[ 29.006098][ T484] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.006415][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.006724][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.007051][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.007420][ T484] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.007751][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.008066][ T484] __sys_sendmsg (net/socket.c:2700) 
[ 29.008383][ T484] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.008761][ T484] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.009081][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.009400][ T484] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.009711][ T484] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.010093][  T484] RIP: 0033:0x7f2dcf3561e7
[ 29.010420][ T484] 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)
[   29.011570][  T484] RSP: 002b:00007ffe69045de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.012036][  T484] RAX: ffffffffffffffda RBX: 00007ffe69046510 RCX: 00007f2dcf3561e7
[   29.012505][  T484] RDX: 0000000000000000 RSI: 00007ffe69045e50 RDI: 0000000000000005
[   29.012965][  T484] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.013441][  T484] R10: 0000000004b76910 R11: 0000000000000246 R12: 0000000000000004
[   29.013905][  T484] R13: 00000000686e3517 R14: 0000000000499600 R15: 0000000000000000
| [   30.878446][  T525] ------------[ cut here ]------------
| [ 30.878777][ T525] WARNING: CPU: 3 PID: 525 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) 
| [   30.879995][  T525] Modules linked in: bridge stp llc 8021q vrf veth
| [   30.881208][  T525] Tainted: [W]=WARN
[   30.881488][  T525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.881922][ T525] 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) 
[ 30.882286][ T525] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   30.883550][  T525] RSP: 0018:ffffc90000966ef0 EFLAGS: 00010246
[   30.884009][  T525] RAX: 0000000000000000 RBX: ffff88800bc22000 RCX: 0000000000000001
[   30.884543][  T525] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   30.885092][  T525] RBP: ffffc90000966fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.885691][  T525] R10: ffffc90000967010 R11: ffffffff88aa8918 R12: 1ffff9200012cde2
[   30.886256][  T525] R13: 00000000000026ac R14: ffffc90000967010 R15: ffff88800bc22f08
[   30.886789][  T525] FS:  00007fdbc512e800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[   30.887523][  T525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.888031][  T525] CR2: 00000000004e5420 CR3: 000000000dc9c003 CR4: 0000000000772ef0
[   30.888602][  T525] PKRU: 55555554
[   30.888893][  T525] Call Trace:
[   30.889210][  T525]  <TASK>
[ 30.889437][ T525] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.889855][ T525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.890281][ T525] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.890735][ T525] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.891244][ T525] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.891638][ T525] netif_set_mtu (net/core/dev.c:9652) 
[ 30.892031][ T525] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.892444][ T525] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.892996][ T525] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.893285][ T525] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.893818][ T525] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.894293][ T525] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.894723][ T525] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.895106][ T525] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.895589][ T525] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.895955][ T525] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.896357][ T525] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.896759][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.897145][ T525] ? __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) 
[ 30.897546][ T525] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.897988][ T525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.898425][ T525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.898765][ T525] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.899100][ T525] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.899442][ T525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.899846][ T525] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.900261][ T525] ? __create_object (mm/kmemleak.c:771) 
[ 30.900671][ T525] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.901074][ T525] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.901489][ T525] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.902002][ T525] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.902470][ T525] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.902860][ T525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.903240][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.903634][ T525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.904052][ T525] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.904447][ T525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.904861][ T525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.905290][ T525] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.905722][ T525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.906152][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.906553][ T525] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.906979][ T525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.907374][ T525] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.907779][ T525] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.908196][ T525] ? 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) 
[ 30.908587][ T525] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.908984][ T525] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.909332][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.909663][ T525] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.910015][ T525] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.910407][ T525] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.910761][ T525] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.911147][ T525] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.911538][ T525] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.912053][ T525] ___sys_sendmsg (net/socket.c:2670) 
[ 30.912469][ T525] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.912876][ T525] ? __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) 
[ 30.913355][ T525] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.913759][ T525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.914149][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.914555][ T525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.914925][ T525] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.915278][ T525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.915662][ T525] __sys_sendmsg (net/socket.c:2700) 
[ 30.916031][ T525] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.916508][ T525] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.916895][ T525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.917275][ T525] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.917646][ T525] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.918082][  T525] RIP: 0033:0x7fdbc52fb1e7
[ 30.918470][ T525] 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)
[   30.919619][  T525] RSP: 002b:00007fff80dd00d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.920090][  T525] RAX: ffffffffffffffda RBX: 00007fff80dd0800 RCX: 00007fdbc52fb1e7
[   30.920565][  T525] RDX: 0000000000000000 RSI: 00007fff80dd0140 RDI: 0000000000000005
[   30.921030][  T525] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.921523][  T525] R10: 000000002a81b910 R11: 0000000000000246 R12: 0000000000000004
[   30.921989][  T525] R13: 00000000686e3519 R14: 0000000000499600 R15: 0000000000000000
| [   31.119045][  T530] ------------[ cut here ]------------
| [ 31.119463][ T530] WARNING: CPU: 3 PID: 530 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) 
| [   31.120112][  T530] Modules linked in: bridge stp llc 8021q vrf veth
| [   31.121580][  T530] Tainted: [W]=WARN
[   31.121840][  T530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.122283][ T530] 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) 
[ 31.122697][ T530] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   31.123984][  T530] RSP: 0018:ffffc900009a6ef0 EFLAGS: 00010246
[   31.124477][  T530] RAX: 0000000000000000 RBX: ffff88800bc22000 RCX: 0000000000000001
[   31.125013][  T530] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[   31.125604][  T530] RBP: ffffc900009a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.126165][  T530] R10: ffffc900009a7010 R11: ffffffff88aa8918 R12: 1ffff92000134de2
[   31.126721][  T530] R13: 00000000000026ac R14: ffffc900009a7010 R15: ffff88800bc22f08
[   31.127264][  T530] FS:  00007f9170e78800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[   31.127904][  T530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.128344][  T530] CR2: 00000000004e5420 CR3: 000000000e93e002 CR4: 0000000000772ef0
[   31.128895][  T530] PKRU: 55555554
[   31.129182][  T530] Call Trace:
[   31.129451][  T530]  <TASK>
[ 31.129612][ T530] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.129929][ T530] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.130247][ T530] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.130571][ T530] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.130964][ T530] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.131281][ T530] netif_set_mtu (net/core/dev.c:9652) 
[ 31.131604][ T530] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.131943][ T530] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.132475][ T530] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.132796][ T530] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.133390][ T530] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.133818][ T530] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.134203][ T530] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.134581][ T530] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.135025][ T530] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.135391][ T530] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.135719][ T530] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.136106][ T530] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.136436][ T530] ? __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) 
[ 31.136751][ T530] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.137173][ T530] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.137532][ T530] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.137891][ T530] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.138247][ T530] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.138636][ T530] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.139003][ T530] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.139376][ T530] ? __create_object (mm/kmemleak.c:771) 
[ 31.139756][ T530] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.140118][ T530] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.140494][ T530] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.140943][ T530] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.141340][ T530] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.141708][ T530] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.142058][ T530] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.142443][ T530] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.142795][ T530] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.143169][ T530] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.143658][ T530] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.144046][ T530] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.144431][ T530] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.144795][ T530] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.145153][ T530] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.145525][ T530] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.145885][ T530] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.146282][ T530] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.146637][ T530] ? 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) 
[ 31.147005][ T530] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.147381][ T530] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.147738][ T530] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.148067][ T530] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.148413][ T530] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.148774][ T530] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.149131][ T530] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.149519][ T530] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.149883][ T530] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.150387][ T530] ___sys_sendmsg (net/socket.c:2670) 
[ 31.150739][ T530] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.151112][ T530] ? __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) 
[ 31.151590][ T530] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.151955][ T530] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.152333][ T530] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.152707][ T530] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.153076][ T530] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.153521][ T530] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.153895][ T530] __sys_sendmsg (net/socket.c:2700) 
[ 31.154247][ T530] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.154685][ T530] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.155094][ T530] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.155502][ T530] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.155913][ T530] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.156373][  T530] RIP: 0033:0x7f91710451e7
[ 31.156784][ T530] 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)
[   31.158190][  T530] RSP: 002b:00007ffd969cb268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.158694][  T530] RAX: ffffffffffffffda RBX: 00007ffd969cb990 RCX: 00007f91710451e7
[   31.159235][  T530] RDX: 0000000000000000 RSI: 00007ffd969cb2d0 RDI: 0000000000000005
[   31.159768][  T530] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.160257][  T530] R10: 000000002a4db910 R11: 0000000000000246 R12: 0000000000000004
[   31.160754][  T530] R13: 00000000686e3519 R14: 0000000000499600 R15: 0000000000000000
| [  462.151531][ T1973] ------------[ cut here ]------------
| [ 462.151875][ T1973] WARNING: CPU: 2 PID: 1973 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) 
| [  462.152523][ T1973] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  462.153763][ T1973] Tainted: [W]=WARN
[  462.154007][ T1973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 462.154411][ T1973] 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) 
[ 462.154742][ T1973] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  462.155856][ T1973] RSP: 0018:ffffc900016f6f70 EFLAGS: 00010246
[  462.156253][ T1973] RAX: 0000000000000000 RBX: ffff88800bc22000 RCX: 0000000000000001
[  462.156743][ T1973] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  462.157213][ T1973] RBP: ffffc900016f7058 R08: 0000000000000000 R09: 0000000000000000
[  462.158342][ T1973] R10: ffffc900016f7088 R11: ffffffff84000130 R12: 1ffff920002dedf2
[  462.158828][ T1973] R13: 00000000000026ac R14: ffffc900016f7088 R15: ffff88800bc22f08
[  462.159298][ T1973] FS:  00007f3a0441b800(0000) GS:ffff8880ac5b7000(0000) knlGS:0000000000000000
[  462.159878][ T1973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.160291][ T1973] CR2: 00000000004e5638 CR3: 000000000a55b003 CR4: 0000000000772ef0
[  462.160811][ T1973] PKRU: 55555554
[  462.161065][ T1973] Call Trace:
[  462.161321][ T1973]  <TASK>
[ 462.161494][ T1973] ? __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) 
[ 462.161892][ T1973] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 462.162259][ T1973] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 462.162591][ T1973] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 462.162911][ T1973] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 462.163234][ T1973] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 462.163576][ T1973] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 462.163893][ T1973] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 462.164216][ T1973] ? ___sys_sendmsg (net/socket.c:2670) 
[ 462.164563][ T1973] ? __sys_sendmsg (net/socket.c:2700) 
[ 462.164886][ T1973] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 462.165202][ T1973] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 462.165639][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.166021][ T1973] netif_set_mtu (net/core/dev.c:9652) 
[ 462.166357][ T1973] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 462.166693][ T1973] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 462.166944][ T1973] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 462.167397][ T1973] br_del_if (net/bridge/br_if.c:743) bridge 
[ 462.167767][ T1973] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 462.168085][ T1973] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 462.168456][ T1973] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 462.168788][ T1973] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 462.169190][ T1973] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 462.169526][ T1973] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 462.169859][ T1973] ? __kernel_text_address (kernel/extable.c:79) 
[ 462.170181][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.170511][ T1973] ? __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) 
[ 462.170842][ T1973] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 462.171236][ T1973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.171582][ T1973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.171903][ T1973] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 462.172221][ T1973] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 462.172581][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.172906][ T1973] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 462.173224][ T1973] ? __create_object (mm/kmemleak.c:771) 
[ 462.173591][ T1973] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 462.173913][ T1973] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 462.174229][ T1973] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 462.174636][ T1973] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 462.174960][ T1973] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 462.175284][ T1973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.175610][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.175941][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.176259][ T1973] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 462.176607][ T1973] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.176934][ T1973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.177254][ T1973] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 462.177600][ T1973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.177924][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.178248][ T1973] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 462.178587][ T1973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.178906][ T1973] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 462.179236][ T1973] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 462.179569][ T1973] ? 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) 
[ 462.179893][ T1973] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 462.180214][ T1973] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 462.180565][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.180903][ T1973] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 462.181228][ T1973] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 462.181558][ T1973] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 462.181888][ T1973] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 462.182209][ T1973] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 462.182551][ T1973] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 462.182956][ T1973] ___sys_sendmsg (net/socket.c:2670) 
[ 462.183282][ T1973] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 462.183669][ T1973] ? __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) 
[ 462.184070][ T1973] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 462.184428][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.184757][ T1973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.185082][ T1973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.185412][ T1973] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 462.185738][ T1973] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.186066][ T1973] __sys_sendmsg (net/socket.c:2700) 
[ 462.186391][ T1973] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 462.186783][ T1973] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 462.187113][ T1973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.187467][ T1973] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 462.187815][ T1973] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.188216][ T1973] RIP: 0033:0x7f3a045e81e7
[ 462.188580][ T1973] 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)
[  462.189728][ T1973] RSP: 002b:00007ffe97afec98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.190203][ T1973] RAX: ffffffffffffffda RBX: 00007ffe97aff3c0 RCX: 00007f3a045e81e7
[  462.190692][ T1973] RDX: 0000000000000000 RSI: 00007ffe97afed00 RDI: 0000000000000005
[  462.191157][ T1973] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  462.191678][ T1973] R10: 00007f3a044e5ee8 R11: 0000000000000246 R12: 0000000000000003
[  462.192169][ T1973] R13: 00000000686e36c8 R14: 0000000000499600 R15: 0000000000000000
| [  462.365766][ T1975] ------------[ cut here ]------------
| [ 462.366123][ T1975] WARNING: CPU: 3 PID: 1975 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) 
| [  462.366772][ T1975] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  462.368183][ T1975] Tainted: [W]=WARN
[  462.368437][ T1975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 462.368840][ T1975] 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) 
[ 462.369172][ T1975] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  462.370325][ T1975] RSP: 0018:ffffc90001676f70 EFLAGS: 00010246
[  462.370729][ T1975] RAX: 0000000000000000 RBX: ffff88800bc22000 RCX: 0000000000000001
[  462.371210][ T1975] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  462.371700][ T1975] RBP: ffffc90001677058 R08: 0000000000000000 R09: 0000000000000000
[  462.372204][ T1975] R10: ffffc90001677088 R11: ffffffff88179160 R12: 1ffff920002cedf2
[  462.372695][ T1975] R13: 00000000000005dc R14: ffffc90001677088 R15: ffff88800bc22f08
[  462.373175][ T1975] FS:  00007f4e07a14800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[  462.373745][ T1975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.374168][ T1975] CR2: 00000000004e73e8 CR3: 00000000050a2002 CR4: 0000000000772ef0
[  462.374660][ T1975] PKRU: 55555554
[  462.374902][ T1975] Call Trace:
[  462.375140][ T1975]  <TASK>
[ 462.375303][ T1975] ? __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) 
[ 462.375714][ T1975] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 462.376080][ T1975] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 462.376406][ T1975] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 462.376730][ T1975] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 462.377050][ T1975] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 462.377380][ T1975] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 462.377714][ T1975] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 462.378037][ T1975] ? ___sys_sendmsg (net/socket.c:2670) 
[ 462.378368][ T1975] ? __sys_sendmsg (net/socket.c:2700) 
[ 462.378690][ T1975] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 462.379018][ T1975] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 462.379427][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.379758][ T1975] netif_set_mtu (net/core/dev.c:9652) 
[ 462.380080][ T1975] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 462.380425][ T1975] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 462.380669][ T1975] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 462.381114][ T1975] br_del_if (net/bridge/br_if.c:743) bridge 
[ 462.381479][ T1975] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 462.381807][ T1975] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 462.382135][ T1975] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 462.382468][ T1975] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 462.382874][ T1975] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 462.383193][ T1975] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 462.383521][ T1975] ? __kernel_text_address (kernel/extable.c:79) 
[ 462.383848][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.384179][ T1975] ? __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) 
[ 462.384513][ T1975] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 462.384910][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.385232][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.385559][ T1975] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 462.385881][ T1975] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 462.386203][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.386533][ T1975] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 462.386842][ T1975] ? __create_object (mm/kmemleak.c:771) 
[ 462.387161][ T1975] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 462.387509][ T1975] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 462.387836][ T1975] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 462.388234][ T1975] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 462.388572][ T1975] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 462.388899][ T1975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.389225][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.389561][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.389884][ T1975] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 462.390201][ T1975] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.390542][ T1975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.390865][ T1975] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 462.391186][ T1975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.391525][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.391854][ T1975] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 462.392176][ T1975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.392507][ T1975] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 462.392839][ T1975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 462.393155][ T1975] ? 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) 
[ 462.393483][ T1975] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 462.393814][ T1975] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 462.394132][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.394464][ T1975] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 462.394789][ T1975] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 462.395112][ T1975] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 462.395448][ T1975] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 462.395771][ T1975] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 462.396091][ T1975] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 462.396521][ T1975] ___sys_sendmsg (net/socket.c:2670) 
[ 462.396839][ T1975] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 462.397161][ T1975] ? __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) 
[ 462.397586][ T1975] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 462.397911][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.398254][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.398591][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.398922][ T1975] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 462.399241][ T1975] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.399579][ T1975] __sys_sendmsg (net/socket.c:2700) 
[ 462.399898][ T1975] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 462.400444][ T1975] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 462.400838][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.401166][ T1975] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 462.401509][ T1975] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.402122][ T1975] RIP: 0033:0x7f4e07be11e7
[ 462.402666][ T1975] 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)
[  462.404563][ T1975] RSP: 002b:00007ffc19601038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.405413][ T1975] RAX: ffffffffffffffda RBX: 00007ffc19601760 RCX: 00007f4e07be11e7
[  462.406185][ T1975] RDX: 0000000000000000 RSI: 00007ffc196010a0 RDI: 0000000000000005
[  462.407001][ T1975] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  462.407854][ T1975] R10: 00007f4e07adeee8 R11: 0000000000000246 R12: 0000000000000003
[  462.408530][ T1975] R13: 00000000686e36c9 R14: 0000000000499600 R15: 0000000000000000
| [  463.583968][ T1991] ------------[ cut here ]------------
| [ 463.584364][ T1991] WARNING: CPU: 0 PID: 1991 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) 
| [  463.585015][ T1991] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  463.586648][ T1991] Tainted: [W]=WARN
[  463.586907][ T1991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 463.587364][ T1991] 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) 
[ 463.587728][ T1991] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  463.588967][ T1991] RSP: 0018:ffffc90001796f70 EFLAGS: 00010246
[  463.589379][ T1991] RAX: 0000000000000000 RBX: ffff88800ed1a000 RCX: 0000000000000001
[  463.589859][ T1991] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  463.591538][ T1991] RBP: ffffc90001797058 R08: 0000000000000000 R09: 0000000000000000
[  463.592097][ T1991] R10: ffffc90001797088 R11: ffffffff88179160 R12: 1ffff920002f2df2
[  463.592653][ T1991] R13: 00000000000026ac R14: ffffc90001797088 R15: ffff88800ed1af08
[  463.593185][ T1991] FS:  00007f21bc59f800(0000) GS:ffff8880ac4b7000(0000) knlGS:0000000000000000
[  463.593855][ T1991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.594322][ T1991] CR2: 00000000004e5630 CR3: 000000000a473004 CR4: 0000000000772ef0
[  463.594862][ T1991] PKRU: 55555554
[  463.595177][ T1991] Call Trace:
[  463.595483][ T1991]  <TASK>
[ 463.595702][ T1991] ? __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) 
[ 463.596183][ T1991] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 463.596636][ T1991] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 463.597004][ T1991] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.597372][ T1991] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 463.597711][ T1991] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.598068][ T1991] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.598397][ T1991] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.598759][ T1991] ? ___sys_sendmsg (net/socket.c:2670) 
[ 463.599067][ T1991] ? __sys_sendmsg (net/socket.c:2700) 
[ 463.599417][ T1991] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.599733][ T1991] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 463.600137][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.600509][ T1991] netif_set_mtu (net/core/dev.c:9652) 
[ 463.600850][ T1991] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 463.601217][ T1991] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 463.601511][ T1991] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 463.602019][ T1991] br_del_if (net/bridge/br_if.c:743) bridge 
[ 463.602430][ T1991] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 463.602827][ T1991] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 463.603216][ T1991] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.603611][ T1991] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 463.604092][ T1991] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 463.604457][ T1991] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 463.604784][ T1991] ? __kernel_text_address (kernel/extable.c:79) 
[ 463.605146][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.605692][ T1991] ? __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) 
[ 463.606130][ T1991] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 463.606592][ T1991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.606938][ T1991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.607285][ T1991] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 463.607659][ T1991] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 463.608024][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.608414][ T1991] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 463.608754][ T1991] ? __create_object (mm/kmemleak.c:771) 
[ 463.609070][ T1991] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 463.609400][ T1991] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 463.609723][ T1991] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 463.610110][ T1991] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 463.610433][ T1991] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 463.610750][ T1991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.611060][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.611417][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.611745][ T1991] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 463.612062][ T1991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.612394][ T1991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.612701][ T1991] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 463.613031][ T1991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.613360][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.613682][ T1991] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 463.614008][ T1991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.614328][ T1991] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 463.614650][ T1991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 463.614952][ T1991] ? 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) 
[ 463.615275][ T1991] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.615613][ T1991] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 463.615925][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.616257][ T1991] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.616578][ T1991] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 463.616884][ T1991] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 463.617196][ T1991] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.617534][ T1991] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 463.617841][ T1991] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 463.618238][ T1991] ___sys_sendmsg (net/socket.c:2670) 
[ 463.618552][ T1991] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 463.618855][ T1991] ? __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) 
[ 463.619233][ T1991] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 463.619547][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.619859][ T1991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.620168][ T1991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.620486][ T1991] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 463.620801][ T1991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.621117][ T1991] __sys_sendmsg (net/socket.c:2700) 
[ 463.621434][ T1991] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 463.621810][ T1991] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 463.622150][ T1991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.622472][ T1991] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.622780][ T1991] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.623182][ T1991] RIP: 0033:0x7f21bc76c1e7
[ 463.623507][ T1991] 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)
[  463.624592][ T1991] RSP: 002b:00007ffea3b86298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.625060][ T1991] RAX: ffffffffffffffda RBX: 00007ffea3b869c0 RCX: 00007f21bc76c1e7
[  463.625540][ T1991] RDX: 0000000000000000 RSI: 00007ffea3b86300 RDI: 0000000000000005
[  463.626008][ T1991] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  463.626471][ T1991] R10: 00007f21bc669ee8 R11: 0000000000000246 R12: 0000000000000003
[  463.626929][ T1991] R13: 00000000686e36ca R14: 0000000000499600 R15: 0000000000000000
| [  463.805200][ T1993] ------------[ cut here ]------------
| [ 463.805645][ T1993] WARNING: CPU: 2 PID: 1993 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) 
| [  463.806364][ T1993] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  463.807782][ T1993] Tainted: [W]=WARN
[  463.808080][ T1993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 463.808539][ T1993] 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) 
[ 463.808919][ T1993] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  463.810201][ T1993] RSP: 0018:ffffc90001766f70 EFLAGS: 00010246
[  463.810666][ T1993] RAX: 0000000000000000 RBX: ffff88800ed1a000 RCX: 0000000000000001
[  463.811204][ T1993] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  463.811767][ T1993] RBP: ffffc90001767058 R08: 0000000000000000 R09: 0000000000000000
[  463.812327][ T1993] R10: ffffc90001767088 R11: ffffffff88179160 R12: 1ffff920002ecdf2
[  463.812873][ T1993] R13: 00000000000005dc R14: ffffc90001767088 R15: ffff88800ed1af08
[  463.813366][ T1993] FS:  00007f0f78b98800(0000) GS:ffff8880ac5b7000(0000) knlGS:0000000000000000
[  463.813915][ T1993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.814329][ T1993] CR2: 00000000004e73d0 CR3: 0000000008c7f002 CR4: 0000000000772ef0
[  463.814807][ T1993] PKRU: 55555554
[  463.815057][ T1993] Call Trace:
[  463.815304][ T1993]  <TASK>
[ 463.815499][ T1993] ? __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) 
[ 463.815895][ T1993] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 463.816261][ T1993] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 463.816593][ T1993] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.816915][ T1993] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 463.817230][ T1993] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.817588][ T1993] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.817912][ T1993] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.818236][ T1993] ? ___sys_sendmsg (net/socket.c:2670) 
[ 463.818565][ T1993] ? __sys_sendmsg (net/socket.c:2700) 
[ 463.818888][ T1993] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.819243][ T1993] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 463.819679][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.820040][ T1993] netif_set_mtu (net/core/dev.c:9652) 
[ 463.820397][ T1993] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 463.820756][ T1993] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 463.821024][ T1993] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 463.821503][ T1993] br_del_if (net/bridge/br_if.c:743) bridge 
[ 463.821904][ T1993] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 463.822225][ T1993] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 463.822595][ T1993] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.822961][ T1993] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 463.823416][ T1993] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 463.823760][ T1993] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 463.824105][ T1993] ? __kernel_text_address (kernel/extable.c:79) 
[ 463.824457][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.824794][ T1993] ? __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) 
[ 463.825113][ T1993] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 463.825539][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.825861][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.826183][ T1993] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 463.826510][ T1993] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 463.826829][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.827160][ T1993] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 463.827506][ T1993] ? __create_object (mm/kmemleak.c:771) 
[ 463.827832][ T1993] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 463.828161][ T1993] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 463.828488][ T1993] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 463.828880][ T1993] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 463.829203][ T1993] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 463.829539][ T1993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.829854][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.830179][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.830504][ T1993] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 463.830826][ T1993] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.831142][ T1993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.831480][ T1993] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 463.831802][ T1993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.832123][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.832457][ T1993] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 463.832776][ T1993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.833100][ T1993] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 463.833439][ T1993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 463.833756][ T1993] ? 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) 
[ 463.834073][ T1993] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.834405][ T1993] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 463.834743][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.835071][ T1993] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.835428][ T1993] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 463.835751][ T1993] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 463.836083][ T1993] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.836417][ T1993] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 463.836738][ T1993] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 463.837149][ T1993] ___sys_sendmsg (net/socket.c:2670) 
[ 463.837475][ T1993] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 463.837819][ T1993] ? __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) 
[ 463.838212][ T1993] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 463.838566][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.838889][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.839229][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.839598][ T1993] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 463.839934][ T1993] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.840268][ T1993] __sys_sendmsg (net/socket.c:2700) 
[ 463.840601][ T1993] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 463.841006][ T1993] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 463.841348][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.841668][ T1993] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.842003][ T1993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.842417][ T1993] RIP: 0033:0x7f0f78d651e7
[ 463.842749][ T1993] 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)
[  463.843924][ T1993] RSP: 002b:00007ffc3fc0a6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.844426][ T1993] RAX: ffffffffffffffda RBX: 00007ffc3fc0adf0 RCX: 00007f0f78d651e7
[  463.844901][ T1993] RDX: 0000000000000000 RSI: 00007ffc3fc0a730 RDI: 0000000000000005
[  463.845379][ T1993] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  463.845846][ T1993] R10: 00007f0f78c62ee8 R11: 0000000000000246 R12: 0000000000000003
[  463.846320][ T1993] R13: 00000000686e36ca R14: 0000000000499600 R15: 0000000000000000
| [  464.997955][ T2007] ------------[ cut here ]------------
| [ 464.998331][ T2007] WARNING: CPU: 0 PID: 2007 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) 
| [  464.998968][ T2007] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  465.001177][ T2007] Tainted: [W]=WARN
[  465.001431][ T2007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 465.001838][ T2007] 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) 
[ 465.002191][ T2007] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  465.003342][ T2007] RSP: 0018:ffffc90001796f70 EFLAGS: 00010246
[  465.003746][ T2007] RAX: 0000000000000000 RBX: ffff888008e2a000 RCX: 0000000000000001
[  465.004227][ T2007] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  465.004725][ T2007] RBP: ffffc90001797058 R08: 0000000000000000 R09: 0000000000000000
[  465.005221][ T2007] R10: ffffc90001797088 R11: ffffffff88179160 R12: 1ffff920002f2df2
[  465.005734][ T2007] R13: 00000000000026ac R14: ffffc90001797088 R15: ffff888008e2af08
[  465.006234][ T2007] FS:  00007fcccf941800(0000) GS:ffff8880ac4b7000(0000) knlGS:0000000000000000
[  465.006805][ T2007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.007203][ T2007] CR2: 00000000004e5628 CR3: 000000000bea2005 CR4: 0000000000772ef0
[  465.007699][ T2007] PKRU: 55555554
[  465.007944][ T2007] Call Trace:
[  465.008181][ T2007]  <TASK>
[ 465.008349][ T2007] ? __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) 
[ 465.008760][ T2007] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 465.009150][ T2007] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.009493][ T2007] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.009812][ T2007] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 465.010136][ T2007] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.010469][ T2007] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.010785][ T2007] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.011117][ T2007] ? ___sys_sendmsg (net/socket.c:2670) 
[ 465.011443][ T2007] ? __sys_sendmsg (net/socket.c:2700) 
[ 465.011758][ T2007] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.012099][ T2007] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 465.012520][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.012847][ T2007] netif_set_mtu (net/core/dev.c:9652) 
[ 465.013173][ T2007] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 465.013517][ T2007] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 465.013758][ T2007] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 465.014203][ T2007] br_del_if (net/bridge/br_if.c:743) bridge 
[ 465.014595][ T2007] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 465.014914][ T2007] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.015255][ T2007] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.015589][ T2007] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 465.015995][ T2007] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 465.016324][ T2007] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 465.016638][ T2007] ? __kernel_text_address (kernel/extable.c:79) 
[ 465.016956][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.017277][ T2007] ? __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) 
[ 465.017631][ T2007] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 465.018035][ T2007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.018366][ T2007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.018686][ T2007] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 465.019003][ T2007] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 465.019334][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.019652][ T2007] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 465.019966][ T2007] ? __create_object (mm/kmemleak.c:771) 
[ 465.020286][ T2007] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 465.020648][ T2007] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 465.020968][ T2007] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 465.021374][ T2007] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 465.021701][ T2007] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 465.022023][ T2007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.022352][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.022677][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.022998][ T2007] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 465.023330][ T2007] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.023667][ T2007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.023996][ T2007] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 465.024334][ T2007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.024665][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.024999][ T2007] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 465.025339][ T2007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.025685][ T2007] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 465.026056][ T2007] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 465.026473][ T2007] ? 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) 
[ 465.026803][ T2007] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.027124][ T2007] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 465.027453][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.027791][ T2007] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.028129][ T2007] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 465.028485][ T2007] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 465.028820][ T2007] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.029142][ T2007] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 465.029499][ T2007] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 465.029919][ T2007] ___sys_sendmsg (net/socket.c:2670) 
[ 465.030245][ T2007] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 465.030584][ T2007] ? __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) 
[ 465.030996][ T2007] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 465.031334][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.031674][ T2007] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.032003][ T2007] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.032338][ T2007] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 465.032661][ T2007] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.032996][ T2007] __sys_sendmsg (net/socket.c:2700) 
[ 465.033337][ T2007] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 465.033755][ T2007] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 465.034093][ T2007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.034432][ T2007] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.034769][ T2007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.035169][ T2007] RIP: 0033:0x7fcccfb0e1e7
[ 465.035527][ T2007] 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)
[  465.036718][ T2007] RSP: 002b:00007ffe0be8fe78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.037259][ T2007] RAX: ffffffffffffffda RBX: 00007ffe0be905a0 RCX: 00007fcccfb0e1e7
[  465.037783][ T2007] RDX: 0000000000000000 RSI: 00007ffe0be8fee0 RDI: 0000000000000005
[  465.038299][ T2007] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  465.038913][ T2007] R10: 00007fcccfa0bee8 R11: 0000000000000246 R12: 0000000000000003
[  465.039424][ T2007] R13: 00000000686e36cb R14: 0000000000499600 R15: 0000000000000000
| [  465.221754][ T2009] ------------[ cut here ]------------
| [ 465.222333][ T2009] WARNING: CPU: 3 PID: 2009 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) 
| [  465.223424][ T2009] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  465.225164][ T2009] Tainted: [W]=WARN
[  465.226344][ T2009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 465.226769][ T2009] 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) 
[ 465.227086][ T2009] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  465.228227][ T2009] RSP: 0018:ffffc900018aef70 EFLAGS: 00010246
[  465.228634][ T2009] RAX: 0000000000000000 RBX: ffff888008e2a000 RCX: 0000000000000001
[  465.229094][ T2009] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  465.229573][ T2009] RBP: ffffc900018af058 R08: 0000000000000000 R09: 0000000000000000
[  465.230030][ T2009] R10: ffffc900018af088 R11: ffffffff88179160 R12: 1ffff92000315df2
[  465.230715][ T2009] R13: 00000000000005dc R14: ffffc900018af088 R15: ffff888008e2af08
[  465.231548][ T2009] FS:  00007f4c5c640800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[  465.232518][ T2009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.233205][ T2009] CR2: 00000000004e73b8 CR3: 000000000debe005 CR4: 0000000000772ef0
[  465.233963][ T2009] PKRU: 55555554
[  465.234194][ T2009] Call Trace:
[  465.234475][ T2009]  <TASK>
[ 465.234631][ T2009] ? __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) 
[ 465.235016][ T2009] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 465.235415][ T2009] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.235723][ T2009] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.236025][ T2009] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 465.236438][ T2009] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.236909][ T2009] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.237264][ T2009] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.237594][ T2009] ? ___sys_sendmsg (net/socket.c:2670) 
[ 465.237896][ T2009] ? __sys_sendmsg (net/socket.c:2700) 
[ 465.238196][ T2009] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.238526][ T2009] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 465.238911][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.239230][ T2009] netif_set_mtu (net/core/dev.c:9652) 
[ 465.239585][ T2009] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 465.239909][ T2009] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 465.240140][ T2009] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 465.240860][ T2009] br_del_if (net/bridge/br_if.c:743) bridge 
[ 465.241213][ T2009] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 465.241542][ T2009] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 465.241858][ T2009] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 465.242173][ T2009] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 465.242569][ T2009] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 465.242874][ T2009] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 465.243181][ T2009] ? __kernel_text_address (kernel/extable.c:79) 
[ 465.243540][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.243850][ T2009] ? __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) 
[ 465.244164][ T2009] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 465.244553][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.244860][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.245166][ T2009] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 465.245484][ T2009] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 465.245789][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.246098][ T2009] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 465.246441][ T2009] ? __create_object (mm/kmemleak.c:771) 
[ 465.246753][ T2009] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 465.247059][ T2009] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 465.247420][ T2009] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 465.247815][ T2009] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 465.248126][ T2009] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 465.248450][ T2009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.248753][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.249071][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.249387][ T2009] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 465.249688][ T2009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.249995][ T2009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 465.250300][ T2009] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 465.250614][ T2009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.250922][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.251231][ T2009] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 465.251607][ T2009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 465.251915][ T2009] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 465.252231][ T2009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 465.252542][ T2009] ? 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) 
[ 465.252850][ T2009] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 465.253159][ T2009] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 465.253476][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.253788][ T2009] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 465.254098][ T2009] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 465.254412][ T2009] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 465.254750][ T2009] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 465.255059][ T2009] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 465.255402][ T2009] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 465.255794][ T2009] ___sys_sendmsg (net/socket.c:2670) 
[ 465.256101][ T2009] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 465.256415][ T2009] ? __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) 
[ 465.256795][ T2009] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 465.257103][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.257421][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 465.257746][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 465.258085][ T2009] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 465.258424][ T2009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 465.258754][ T2009] __sys_sendmsg (net/socket.c:2700) 
[ 465.259071][ T2009] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 465.259475][ T2009] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 465.259804][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 465.260126][ T2009] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 465.260491][ T2009] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  465.260897][ T2009] RIP: 0033:0x7f4c5c80d1e7
[ 465.261228][ T2009] 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)
[  465.262383][ T2009] RSP: 002b:00007ffd2cd3ae98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.262871][ T2009] RAX: ffffffffffffffda RBX: 00007ffd2cd3b5c0 RCX: 00007f4c5c80d1e7
[  465.263376][ T2009] RDX: 0000000000000000 RSI: 00007ffd2cd3af00 RDI: 0000000000000005
[  465.263831][ T2009] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  465.264286][ T2009] R10: 00007f4c5c70aee8 R11: 0000000000000246 R12: 0000000000000003
[  465.264750][ T2009] R13: 00000000686e36cb R14: 0000000000499600 R15: 0000000000000000
| [  465.991356][ T2017] ------------[ cut here ]------------
| [ 465.991688][ T2017] WARNING: CPU: 1 PID: 2017 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) 
| [  465.992267][ T2017] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  465.993438][ T2017] Tainted: [W]=WARN
[  465.993687][ T2017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 465.994037][ T2017] 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) 
[ 465.994967][ T2017] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  465.995970][ T2017] RSP: 0018:ffffc900018df140 EFLAGS: 00010246
[  465.996329][ T2017] RAX: 0000000000000000 RBX: ffff888008424000 RCX: 0000000000000001
[  465.996789][ T2017] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  465.997227][ T2017] RBP: ffffc900018df230 R08: ffff8880050f0800 R09: 0000000000000000
[  465.997697][ T2017] R10: ffffc900018df5c8 R11: ffffffff88a50668 R12: 1ffff9200031be2c
[  465.998167][ T2017] R13: 00000000000005dc R14: ffffc900018df880 R15: ffff888004e2fbe0
[  465.998627][ T2017] FS:  00007fc4b834c800(0000) GS:ffff8880ac537000(0000) knlGS:0000000000000000
[  465.999153][ T2017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.999540][ T2017] CR2: 00000000004e5ab0 CR3: 000000000abca002 CR4: 0000000000772ef0
[  465.999992][ T2017] PKRU: 55555554
[  466.000216][ T2017] Call Trace:
[  466.000476][ T2017]  <TASK>
[ 466.000630][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.000918][ T2017] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 466.001210][ T2017] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.001517][ T2017] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 466.001829][ T2017] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 466.002109][ T2017] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 466.002402][ T2017] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 466.002688][ T2017] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 466.003061][ T2017] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 466.003359][ T2017] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 466.003652][ T2017] ? __kernel_text_address (kernel/extable.c:79) 
[ 466.003930][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.004210][ T2017] ? __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) 
[ 466.004514][ T2017] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 466.004859][ T2017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.005150][ T2017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.005468][ T2017] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 466.005771][ T2017] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 466.006064][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.006346][ T2017] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 466.006636][ T2017] ? __create_object (mm/kmemleak.c:771) 
[ 466.006914][ T2017] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 466.007201][ T2017] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 466.007513][ T2017] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 466.007866][ T2017] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 466.008151][ T2017] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 466.008455][ T2017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.008730][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.009014][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.009301][ T2017] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 466.009636][ T2017] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.009923][ T2017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.010197][ T2017] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 466.010498][ T2017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.010776][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.011055][ T2017] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 466.011345][ T2017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.011637][ T2017] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 466.011922][ T2017] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 466.012195][ T2017] ? 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) 
[ 466.012496][ T2017] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 466.012784][ T2017] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 466.013059][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.013382][ T2017] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.013690][ T2017] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 466.013977][ T2017] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 466.014262][ T2017] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.014568][ T2017] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 466.014848][ T2017] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 466.015208][ T2017] ___sys_sendmsg (net/socket.c:2670) 
[ 466.015514][ T2017] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 466.015805][ T2017] ? __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) 
[ 466.016164][ T2017] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 466.016457][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.016744][ T2017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.017025][ T2017] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.017297][ T2017] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 466.017609][ T2017] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.017932][ T2017] __sys_sendmsg (net/socket.c:2700) 
[ 466.018209][ T2017] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 466.018574][ T2017] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 466.018862][ T2017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.019144][ T2017] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.019456][ T2017] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.019816][ T2017] RIP: 0033:0x7fc4b85191e7
[ 466.020125][ T2017] 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)
[  466.021133][ T2017] RSP: 002b:00007ffef85fa9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.021583][ T2017] RAX: ffffffffffffffda RBX: 00007ffef85fb0d0 RCX: 00007fc4b85191e7
[  466.022039][ T2017] RDX: 0000000000000000 RSI: 00007ffef85faa10 RDI: 0000000000000005
[  466.022461][ T2017] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  466.022872][ T2017] R10: 00007fc4b8416ee8 R11: 0000000000000246 R12: 0000000000000004
[  466.023279][ T2017] R13: 00000000686e36cc R14: 0000000000499600 R15: 0000000000000000
| [  466.359494][ T2022] ------------[ cut here ]------------
| [ 466.359864][ T2022] WARNING: CPU: 3 PID: 2022 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) 
| [  466.360763][ T2022] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  466.361989][ T2022] Tainted: [W]=WARN
[  466.362232][ T2022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 466.362633][ T2022] 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) 
[ 466.362958][ T2022] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  466.364090][ T2022] RSP: 0018:ffffc9000190f140 EFLAGS: 00010246
[  466.364499][ T2022] RAX: 0000000000000000 RBX: ffff888007e11000 RCX: 0000000000000001
[  466.364971][ T2022] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  466.365456][ T2022] RBP: ffffc9000190f230 R08: ffff88800fbf3800 R09: 0000000000000000
[  466.365928][ T2022] R10: ffffc9000190f5c8 R11: ffffffff88a50668 R12: 1ffff92000321e2c
[  466.366406][ T2022] R13: 00000000000005dc R14: ffffc9000190f880 R15: ffff888002a47be0
[  466.366874][ T2022] FS:  00007fe75c8c7800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[  466.367425][ T2022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.367843][ T2022] CR2: 00000000004e5aa8 CR3: 000000000de54001 CR4: 0000000000772ef0
[  466.368327][ T2022] PKRU: 55555554
[  466.368564][ T2022] Call Trace:
[  466.368799][ T2022]  <TASK>
[ 466.368959][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.369287][ T2022] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 466.369614][ T2022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.369938][ T2022] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 466.370253][ T2022] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 466.370577][ T2022] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 466.370894][ T2022] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 466.371215][ T2022] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 466.371621][ T2022] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 466.371942][ T2022] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 466.372254][ T2022] ? __kernel_text_address (kernel/extable.c:79) 
[ 466.372580][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.372900][ T2022] ? __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) 
[ 466.373212][ T2022] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 466.373609][ T2022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.373928][ T2022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.374239][ T2022] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 466.374568][ T2022] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 466.374885][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.375199][ T2022] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 466.375520][ T2022] ? __create_object (mm/kmemleak.c:771) 
[ 466.375836][ T2022] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 466.376152][ T2022] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 466.376474][ T2022] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 466.376866][ T2022] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 466.377186][ T2022] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 466.377528][ T2022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.377849][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.378169][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.378493][ T2022] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 466.378806][ T2022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.379128][ T2022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.379457][ T2022] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 466.379772][ T2022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.380091][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.380425][ T2022] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 466.380742][ T2022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.381055][ T2022] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 466.381389][ T2022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 466.381708][ T2022] ? 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) 
[ 466.382021][ T2022] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 466.382346][ T2022] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 466.382660][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.382977][ T2022] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.383294][ T2022] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 466.383618][ T2022] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 466.383949][ T2022] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.384267][ T2022] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 466.384589][ T2022] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 466.384993][ T2022] ___sys_sendmsg (net/socket.c:2670) 
[ 466.385304][ T2022] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 466.385628][ T2022] ? __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) 
[ 466.386017][ T2022] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 466.386347][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.386667][ T2022] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.386987][ T2022] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.387299][ T2022] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 466.387640][ T2022] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.387963][ T2022] __sys_sendmsg (net/socket.c:2700) 
[ 466.388282][ T2022] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 466.388683][ T2022] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 466.389014][ T2022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.389342][ T2022] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.389674][ T2022] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.390066][ T2022] RIP: 0033:0x7fe75ca941e7
[ 466.390401][ T2022] 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)
[  466.391543][ T2022] RSP: 002b:00007ffc8294f558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.392019][ T2022] RAX: ffffffffffffffda RBX: 00007ffc8294fc80 RCX: 00007fe75ca941e7
[  466.392500][ T2022] RDX: 0000000000000000 RSI: 00007ffc8294f5c0 RDI: 0000000000000005
[  466.392968][ T2022] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  466.393454][ T2022] R10: 00007fe75c991ee8 R11: 0000000000000246 R12: 0000000000000004
[  466.393921][ T2022] R13: 00000000686e36cd R14: 0000000000499600 R15: 0000000000000000
| [  467.291047][ T2033] ------------[ cut here ]------------
| [ 467.291597][ T2033] WARNING: CPU: 3 PID: 2033 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) 
| [  467.292164][ T2033] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  467.293258][ T2033] Tainted: [W]=WARN
[  467.293479][ T2033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 467.293835][ T2033] 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) 
[ 467.294134][ T2033] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  467.295155][ T2033] RSP: 0018:ffffc900018df140 EFLAGS: 00010246
[  467.295521][ T2033] RAX: 0000000000000000 RBX: ffff888005619000 RCX: 0000000000000001
[  467.295939][ T2033] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  467.296378][ T2033] RBP: ffffc900018df230 R08: ffff88800b5bd000 R09: 0000000000000000
[  467.296793][ T2033] R10: ffffc900018df5c8 R11: ffffffff88a50668 R12: 1ffff9200031be2c
[  467.297244][ T2033] R13: 00000000000005dc R14: ffffc900018df880 R15: ffff88800dd534e0
[  467.297795][ T2033] FS:  00007f60d7fff800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[  467.298649][ T2033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.299256][ T2033] CR2: 00000000004e5ab8 CR3: 000000000b785001 CR4: 0000000000772ef0
[  467.300266][ T2033] PKRU: 55555554
[  467.300674][ T2033] Call Trace:
[  467.300938][ T2033]  <TASK>
[ 467.301144][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.301809][ T2033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 467.302171][ T2033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.302648][ T2033] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 467.303134][ T2033] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 467.303623][ T2033] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 467.304112][ T2033] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 467.304613][ T2033] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 467.305231][ T2033] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 467.305721][ T2033] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 467.306195][ T2033] ? __kernel_text_address (kernel/extable.c:79) 
[ 467.306694][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.307184][ T2033] ? __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) 
[ 467.307692][ T2033] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 467.308295][ T2033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.308795][ T2033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.309239][ T2033] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 467.309663][ T2033] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 467.310146][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.310638][ T2033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 467.311117][ T2033] ? __create_object (mm/kmemleak.c:771) 
[ 467.311611][ T2033] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 467.312082][ T2033] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 467.312577][ T2033] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 467.313078][ T2033] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 467.313570][ T2033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 467.314063][ T2033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 467.314568][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.315063][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.315566][ T2033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 467.316045][ T2033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.316548][ T2033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 467.317032][ T2033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 467.317537][ T2033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 467.318026][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.318497][ T2033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 467.318862][ T2033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 467.319338][ T2033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 467.319847][ T2033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 467.320348][ T2033] ? 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) 
[ 467.320836][ T2033] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 467.321345][ T2033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 467.321834][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.322351][ T2033] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 467.322850][ T2033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 467.323360][ T2033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 467.323857][ T2033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 467.324363][ T2033] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 467.324846][ T2033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 467.325479][ T2033] ___sys_sendmsg (net/socket.c:2670) 
[ 467.325954][ T2033] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 467.326443][ T2033] ? __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) 
[ 467.327047][ T2033] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 467.327564][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.328061][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.328576][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.329072][ T2033] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 467.329563][ T2033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.330059][ T2033] __sys_sendmsg (net/socket.c:2700) 
[ 467.330552][ T2033] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 467.331149][ T2033] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 467.331683][ T2033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.332181][ T2033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 467.332690][ T2033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  467.333282][ T2033] RIP: 0033:0x7f60d81cc1e7
[ 467.333789][ T2033] 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)
[  467.335343][ T2033] RSP: 002b:00007ffdfea8d018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.336077][ T2033] RAX: ffffffffffffffda RBX: 00007ffdfea8d740 RCX: 00007f60d81cc1e7
[  467.336820][ T2033] RDX: 0000000000000000 RSI: 00007ffdfea8d080 RDI: 0000000000000005
[  467.337561][ T2033] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  467.338283][ T2033] R10: 00007f60d80c9ee8 R11: 0000000000000246 R12: 0000000000000004
[  467.339040][ T2033] R13: 00000000686e36ce R14: 0000000000499600 R15: 0000000000000000
| [  468.754730][ T2047] ------------[ cut here ]------------
| [ 468.755155][ T2047] WARNING: CPU: 3 PID: 2047 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) 
| [  468.756057][ T2047] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  468.757153][ T2047] Tainted: [W]=WARN
[  468.757389][ T2047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 468.757755][ T2047] 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) 
[ 468.758051][ T2047] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[  468.759063][ T2047] RSP: 0018:ffffc9000197f140 EFLAGS: 00010246
[  468.759466][ T2047] RAX: 0000000000000000 RBX: ffff888008f81000 RCX: 0000000000000001
[  468.759914][ T2047] RDX: 0000000000000000 RSI: ffffffff87c9b941 RDI: ffffffff874555e0
[  468.760361][ T2047] RBP: ffffc9000197f230 R08: ffff88800ecab800 R09: 0000000000000000
[  468.760786][ T2047] R10: ffffc9000197f5c8 R11: ffffffff88a50668 R12: 1ffff9200032fe2c
[  468.761209][ T2047] R13: 00000000000005dc R14: ffffc9000197f880 R15: ffff888002a458e0
[  468.761649][ T2047] FS:  00007fcea80be800(0000) GS:ffff8880ac637000(0000) knlGS:0000000000000000
[  468.762139][ T2047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.762535][ T2047] CR2: 00000000004e5aa0 CR3: 000000000b702005 CR4: 0000000000772ef0
[  468.762964][ T2047] PKRU: 55555554
[  468.763177][ T2047] Call Trace:
[  468.763407][ T2047]  <TASK>
[ 468.763588][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.763897][ T2047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 468.764192][ T2047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.764525][ T2047] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 468.764830][ T2047] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 468.765127][ T2047] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 468.765451][ T2047] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 468.765757][ T2047] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 468.766146][ T2047] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 468.766466][ T2047] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 468.766764][ T2047] ? __kernel_text_address (kernel/extable.c:79) 
[ 468.767062][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.767389][ T2047] ? __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) 
[ 468.767698][ T2047] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 468.768056][ T2047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.768360][ T2047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.768646][ T2047] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 468.768921][ T2047] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 468.769201][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.769521][ T2047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 468.769799][ T2047] ? __create_object (mm/kmemleak.c:771) 
[ 468.770080][ T2047] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 468.770386][ T2047] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 468.770677][ T2047] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 468.771026][ T2047] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 468.771335][ T2047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 468.771624][ T2047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 468.771905][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.772190][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.772488][ T2047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 468.772763][ T2047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.773046][ T2047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 468.773344][ T2047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 468.773626][ T2047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.773906][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.774208][ T2047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 468.774539][ T2047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.774827][ T2047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 468.775136][ T2047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 468.775451][ T2047] ? 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) 
[ 468.775745][ T2047] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 468.776041][ T2047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 468.776369][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.776667][ T2047] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 468.776966][ T2047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 468.777261][ T2047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 468.777600][ T2047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 468.777901][ T2047] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 468.778193][ T2047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 468.778597][ T2047] ___sys_sendmsg (net/socket.c:2670) 
[ 468.778885][ T2047] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 468.779162][ T2047] ? __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) 
[ 468.779538][ T2047] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 468.779822][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.780104][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.780410][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.780689][ T2047] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 468.780975][ T2047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.781259][ T2047] __sys_sendmsg (net/socket.c:2700) 
[ 468.781554][ T2047] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 468.781894][ T2047] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 468.782182][ T2047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.782484][ T2047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 468.782764][ T2047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.783115][ T2047] RIP: 0033:0x7fcea828b1e7
[ 468.783448][ T2047] 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)
[  468.784462][ T2047] RSP: 002b:00007fff34c6bed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.784882][ T2047] RAX: ffffffffffffffda RBX: 00007fff34c6c600 RCX: 00007fcea828b1e7
[  468.785305][ T2047] RDX: 0000000000000000 RSI: 00007fff34c6bf40 RDI: 0000000000000005
[  468.785767][ T2047] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  468.786192][ T2047] R10: 00007fcea8188ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if