======================================
| 0
| xx__-> [   17.711022][  T303] ------------[ cut here ]------------
| [ 17.711497][ T303] WARNING: CPU: 0 PID: 303 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) 
| [   17.712283][  T303] Modules linked in: vrf veth
[   17.713149][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.713511][ T303] 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) 
[ 17.713812][ T303] 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
[   17.714807][  T303] RSP: 0018:ffffc90000577140 EFLAGS: 00010246
[   17.715160][  T303] RAX: 0000000000000000 RBX: ffff88800934c000 RCX: 0000000000000001
[   17.715588][  T303] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   17.716054][  T303] RBP: ffffc90000577230 R08: ffff888009fc5000 R09: 0000000000000000
[   17.716474][  T303] R10: ffffc900005775c8 R11: ffffffff9e450668 R12: 1ffff920000aee2c
[   17.716897][  T303] R13: 0000000000002710 R14: ffffc90000577880 R15: ffff888008b418e0
[   17.717346][  T303] FS:  00007f8cd1f8f800(0000) GS:ffff888096ab7000(0000) knlGS:0000000000000000
[   17.717843][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.718473][  T303] CR2: 00000000004e5aa0 CR3: 000000000950a002 CR4: 0000000000772ef0
[   17.718902][  T303] PKRU: 55555554
[   17.719114][  T303] Call Trace:
[   17.719323][  T303]  <TASK>
[ 17.719469][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.719788][ T303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.720067][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.720365][ T303] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.720662][ T303] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.720960][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.721273][ T303] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.721565][ T303] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.721923][ T303] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.722199][ T303] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.722474][ T303] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.722765][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.723046][ T303] ? __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) 
[ 17.723321][ T303] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.723662][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.723954][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.724228][ T303] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.724525][ T303] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.724816][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.725096][ T303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.725373][ T303] ? __create_object (mm/kmemleak.c:771) 
[ 17.725652][ T303] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.725950][ T303] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.726228][ T303] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.726576][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.726870][ T303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.727158][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.727434][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.727727][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.728006][ T303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.728284][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.728560][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.728841][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.729119][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.729410][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.729704][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.729985][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.730264][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.730556][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.730839][ T303] ? 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) 
[ 17.731122][ T303] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.731405][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.731697][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.731978][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.732263][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.732541][ T303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.732835][ T303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.733118][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.733398][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.733779][ T303] ___sys_sendmsg (net/socket.c:2670) 
[ 17.734055][ T303] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.734334][ T303] ? __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) 
[ 17.734693][ T303] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.734973][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.735255][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.735537][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.735885][ T303] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.736173][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.736456][ T303] __sys_sendmsg (net/socket.c:2700) 
[ 17.736743][ T303] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.737089][ T303] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.737377][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.737700][ T303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.737981][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.738333][  T303] RIP: 0033:0x7f8cd215c1e7
[ 17.738624][ T303] 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)
[   17.739628][  T303] RSP: 002b:00007ffc4a4cb7f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.740096][  T303] RAX: ffffffffffffffda RBX: 00007ffc4a4cbf20 RCX: 00007f8cd215c1e7
[   17.740524][  T303] RDX: 0000000000000000 RSI: 00007ffc4a4cb860 RDI: 0000000000000005
[   17.740976][  T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   17.741402][  T303] R10: 00007f8cd2059ee8 R11: 0000000000000246 R12: 0000000000000004
[   17.741854][  T303] R13: 00000000686e203a R14: 0000000000499600 R15: 0000000000000000
| [   20.262391][  T345] ------------[ cut here ]------------
| [ 20.263226][ T345] WARNING: CPU: 2 PID: 345 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) 
| [   20.263824][  T345] Modules linked in: 8021q vrf veth
| [   20.264722][  T345] Tainted: [W]=WARN
[   20.264953][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.265315][ T345] 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) 
[ 20.265619][ T345] 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
[   20.266681][  T345] RSP: 0018:ffffc90000637140 EFLAGS: 00010246
[   20.267052][  T345] RAX: 0000000000000000 RBX: ffff88800b66c000 RCX: 0000000000000001
[   20.267495][  T345] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   20.267944][  T345] RBP: ffffc90000637230 R08: ffff88800a3ea000 R09: 0000000000000000
[   20.268381][  T345] R10: ffffc900006375c8 R11: ffffffff9e450668 R12: 1ffff920000c6e2c
[   20.268824][  T345] R13: 0000000000002710 R14: ffffc90000637880 R15: ffff888008fa98e0
[   20.269264][  T345] FS:  00007f8c71952800(0000) GS:ffff888096bb7000(0000) knlGS:0000000000000000
[   20.269781][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.270148][  T345] CR2: 00000000004e5ab8 CR3: 000000000e195005 CR4: 0000000000772ef0
[   20.270586][  T345] PKRU: 55555554
[   20.270832][  T345] Call Trace:
[   20.271057][  T345]  <TASK>
[ 20.271214][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.271511][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.271821][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.272123][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.272412][ T345] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.272717][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.273012][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.273315][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.273700][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.273999][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.274287][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.274583][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.274893][ T345] ? __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) 
[ 20.275196][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.275553][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.275875][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.276171][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.276461][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.276768][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.277060][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.277360][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 20.277684][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.277980][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.278278][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.278638][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.278956][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.279258][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.279554][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.279868][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.280161][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.280455][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.280783][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.281073][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.281377][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.281689][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.281986][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.282277][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.282567][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.282887][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.283180][ T345] ? 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) 
[ 20.283474][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.283789][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.284087][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.284380][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.284687][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.284977][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.285282][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.285578][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.285912][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.286282][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 20.286571][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.286876][ T345] ? __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) 
[ 20.287239][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.287530][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.287838][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.288139][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.288429][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.288735][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.289045][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 20.289334][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.289707][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.290013][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.290312][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.290606][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.290979][  T345] RIP: 0033:0x7f8c71b1f1e7
[ 20.291282][ T345] 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)
[   20.292300][  T345] RSP: 002b:00007ffcdc9daf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.292761][  T345] RAX: ffffffffffffffda RBX: 00007ffcdc9db670 RCX: 00007f8c71b1f1e7
[   20.293195][  T345] RDX: 0000000000000000 RSI: 00007ffcdc9dafb0 RDI: 0000000000000005
[   20.293617][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.294056][  T345] R10: 00007f8c71a1cee8 R11: 0000000000000246 R12: 0000000000000004
[   20.294493][  T345] R13: 00000000686e203c R14: 0000000000499600 R15: 0000000000000000
| [   23.650238][  T403] ------------[ cut here ]------------
| [ 23.650608][ T403] WARNING: CPU: 2 PID: 403 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) 
| [   23.651855][  T403] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.652981][  T403] Tainted: [W]=WARN
[   23.653215][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.653580][ T403] 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) 
[ 23.653905][ T403] 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
[   23.654934][  T403] RSP: 0018:ffffc90000737140 EFLAGS: 00010246
[   23.655301][  T403] RAX: 0000000000000000 RBX: ffff8880076d9000 RCX: 0000000000000001
[   23.655756][  T403] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   23.656199][  T403] RBP: ffffc90000737230 R08: ffff888008ecb800 R09: 0000000000000000
[   23.656638][  T403] R10: ffffc900007375c8 R11: ffffffff9e450668 R12: 1ffff920000e6e2c
[   23.657083][  T403] R13: 0000000000002710 R14: ffffc90000737880 R15: ffff88800a2cb160
[   23.657515][  T403] FS:  00007f820047c800(0000) GS:ffff888096bb7000(0000) knlGS:0000000000000000
[   23.658026][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.658403][  T403] CR2: 00000000004e5aa8 CR3: 000000000a457003 CR4: 0000000000772ef0
[   23.658851][  T403] PKRU: 55555554
[   23.659075][  T403] Call Trace:
[   23.659294][  T403]  <TASK>
[ 23.659450][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.659778][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.660070][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.660362][ T403] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.660655][ T403] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.660966][ T403] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.661262][ T403] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.661561][ T403] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.661942][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.662235][ T403] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.662531][ T403] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.662834][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.663130][ T403] ? __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) 
[ 23.663421][ T403] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.663792][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.664085][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.664371][ T403] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.664678][ T403] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.664977][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.665269][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.665555][ T403] ? __create_object (mm/kmemleak.c:771) 
[ 23.665877][ T403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.666171][ T403] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.666461][ T403] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.666843][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.667148][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.667444][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.667751][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.668091][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.668388][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.668695][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.668987][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.669274][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.669577][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.669880][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.670176][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.670466][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.670772][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.671072][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.671360][ T403] ? 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) 
[ 23.671656][ T403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.671962][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.672248][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.672541][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.672866][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.673158][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.673456][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.673772][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.674064][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.674430][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 23.674729][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.675020][ T403] ? __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) 
[ 23.675381][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.675684][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.675992][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.676287][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.676580][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.676882][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.677186][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 23.677476][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.677843][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.678148][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.678443][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.678746][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.679104][  T403] RIP: 0033:0x7f82006491e7
[ 23.679406][ T403] 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)
[   23.680428][  T403] RSP: 002b:00007ffc8526fc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.680874][  T403] RAX: ffffffffffffffda RBX: 00007ffc85270330 RCX: 00007f82006491e7
[   23.681307][  T403] RDX: 0000000000000000 RSI: 00007ffc8526fc70 RDI: 0000000000000005
[   23.681746][  T403] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   23.682176][  T403] R10: 00007f8200546ee8 R11: 0000000000000246 R12: 0000000000000004
[   23.682604][  T403] R13: 00000000686e2040 R14: 0000000000499600 R15: 0000000000000000
| [   24.148955][  T415] ------------[ cut here ]------------
| [ 24.149303][ T415] WARNING: CPU: 2 PID: 415 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) 
| [   24.150317][  T415] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.151588][  T415] Tainted: [W]=WARN
[   24.151850][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.152249][ T415] 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) 
[ 24.152594][ T415] 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
[   24.153744][  T415] RSP: 0018:ffffc90000516ef0 EFLAGS: 00010246
[   24.154150][  T415] RAX: 0000000000000000 RBX: ffff88800bf6a000 RCX: 0000000000000001
[   24.154636][  T415] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   24.155126][  T415] RBP: ffffc90000516fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.155604][  T415] R10: ffffc90000517010 R11: ffffffff9e4a8918 R12: 1ffff920000a2de2
[   24.156107][  T415] R13: 0000000000002710 R14: ffffc90000517010 R15: ffff88800bf6af08
[   24.156583][  T415] FS:  00007f06ff74c800(0000) GS:ffff888096bb7000(0000) knlGS:0000000000000000
[   24.157151][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.157560][  T415] CR2: 00000000004e5410 CR3: 000000000e2ea004 CR4: 0000000000772ef0
[   24.158048][  T415] PKRU: 55555554
[   24.158303][  T415] Call Trace:
[   24.158550][  T415]  <TASK>
[ 24.158733][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.159056][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.159389][ T415] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.159726][ T415] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.160127][ T415] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.160452][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 24.160789][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.161125][ T415] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.161574][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.161830][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.162279][ T415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.162687][ T415] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.163024][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.163360][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.163776][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.164098][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.164420][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.164769][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.165098][ T415] ? __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) 
[ 24.165421][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.165839][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.166165][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.166484][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.166810][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.167133][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.167460][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.167946][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 24.168419][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.168894][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.169305][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.169707][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.170035][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.170362][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.170691][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.171020][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.171349][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.171679][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.172007][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.172326][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.172660][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.172996][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.173327][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.173653][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.173993][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.174324][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.174646][ T415] ? 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) 
[ 24.174980][ T415] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.175309][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.175632][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.175982][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.176322][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.176649][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.176996][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.177331][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.177648][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.178070][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 24.178391][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.178732][ T415] ? __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) 
[ 24.179133][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.179460][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.179798][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.180130][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.180454][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.180785][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.181124][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 24.181746][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.182147][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.182478][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.183042][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.183374][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.183777][  T415] RIP: 0033:0x7f06ff9191e7
[ 24.184116][ T415] 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)
[   24.186177][  T415] RSP: 002b:00007fff7a27d4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.186661][  T415] RAX: ffffffffffffffda RBX: 00007fff7a27dc20 RCX: 00007f06ff9191e7
[   24.187149][  T415] RDX: 0000000000000000 RSI: 00007fff7a27d560 RDI: 0000000000000005
[   24.187626][  T415] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.188121][  T415] R10: 000000000ce28910 R11: 0000000000000246 R12: 0000000000000004
[   24.188596][  T415] R13: 00000000686e2040 R14: 0000000000499600 R15: 0000000000000000
| [   24.849865][  T432] ------------[ cut here ]------------
| [ 24.850239][ T432] WARNING: CPU: 2 PID: 432 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) 
| [   24.850907][  T432] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.852198][  T432] Tainted: [W]=WARN
[   24.852459][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.853116][ T432] 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) 
[ 24.853558][ T432] 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
[   24.854742][  T432] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[   24.855163][  T432] RAX: 0000000000000000 RBX: ffff88800a54a000 RCX: 0000000000000001
[   24.855658][  T432] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   24.856185][  T432] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.856698][  T432] R10: ffffc90000547010 R11: ffffffff9e4a8918 R12: 1ffff920000a8de2
[   24.857190][  T432] R13: 0000000000002710 R14: ffffc90000547010 R15: ffff88800a54af08
[   24.857705][  T432] FS:  00007efe57df2800(0000) GS:ffff888096bb7000(0000) knlGS:0000000000000000
[   24.858285][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.858717][  T432] CR2: 00000000004e5418 CR3: 000000000fe6f001 CR4: 0000000000772ef0
[   24.859220][  T432] PKRU: 55555554
[   24.859477][  T432] Call Trace:
[   24.859742][  T432]  <TASK>
[ 24.859926][ T432] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.860265][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.860612][ T432] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.860964][ T432] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.861384][ T432] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.861736][ T432] netif_set_mtu (net/core/dev.c:9652) 
[ 24.862076][ T432] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.862426][ T432] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.862899][ T432] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.863159][ T432] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.863623][ T432] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.864020][ T432] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.864363][ T432] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.864716][ T432] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.865134][ T432] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.865471][ T432] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.865827][ T432] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.866182][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.866529][ T432] ? __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) 
[ 24.866892][ T432] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.867306][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.867650][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.867977][ T432] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.868295][ T432] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.868628][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.868955][ T432] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.869268][ T432] ? __create_object (mm/kmemleak.c:771) 
[ 24.869594][ T432] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.869924][ T432] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.870241][ T432] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.870637][ T432] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.870976][ T432] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.871299][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.871621][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.871958][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.872275][ T432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.872592][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.872918][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.873236][ T432] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.873571][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.873921][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.874263][ T432] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.874600][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.874931][ T432] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.875260][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.875576][ T432] ? 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) 
[ 24.875920][ T432] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.876245][ T432] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.876599][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.876936][ T432] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.877259][ T432] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.877589][ T432] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.877945][ T432] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.878287][ T432] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.878627][ T432] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.879042][ T432] ___sys_sendmsg (net/socket.c:2670) 
[ 24.879360][ T432] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.879687][ T432] ? __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) 
[ 24.880086][ T432] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.880408][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.880745][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.881070][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.881401][ T432] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.881733][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.882064][ T432] __sys_sendmsg (net/socket.c:2700) 
[ 24.882381][ T432] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.882780][ T432] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.883107][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.883435][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.883761][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.884153][  T432] RIP: 0033:0x7efe57fbf1e7
[ 24.884481][ T432] 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)
[   24.885597][  T432] RSP: 002b:00007ffc6bf38bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.886104][  T432] RAX: ffffffffffffffda RBX: 00007ffc6bf39300 RCX: 00007efe57fbf1e7
[   24.886574][  T432] RDX: 0000000000000000 RSI: 00007ffc6bf38c40 RDI: 0000000000000005
[   24.887048][  T432] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.887528][  T432] R10: 000000000b95d910 R11: 0000000000000246 R12: 0000000000000004
[   24.888014][  T432] R13: 00000000686e2041 R14: 0000000000499600 R15: 0000000000000000
| [   25.544774][  T450] ------------[ cut here ]------------
| [ 25.545186][ T450] WARNING: CPU: 3 PID: 450 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) 
| [   25.545757][  T450] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.546867][  T450] Tainted: [W]=WARN
[   25.547083][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.547430][ T450] 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) 
[ 25.547728][ T450] 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
[   25.548733][  T450] RSP: 0018:ffffc900005f7140 EFLAGS: 00010246
[   25.549100][  T450] RAX: 0000000000000000 RBX: ffff88800b669000 RCX: 0000000000000001
[   25.549514][  T450] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   25.549936][  T450] RBP: ffffc900005f7230 R08: ffff8880094f5000 R09: 0000000000000000
[   25.550349][  T450] R10: ffffc900005f75c8 R11: ffffffff9e450668 R12: 1ffff920000bee2c
[   25.550779][  T450] R13: 0000000000002710 R14: ffffc900005f7880 R15: ffff88800a2c8e60
[   25.551206][  T450] FS:  00007f7cf538a800(0000) GS:ffff888096c37000(0000) knlGS:0000000000000000
[   25.551699][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.552045][  T450] CR2: 00000000004e5ab0 CR3: 000000001069f001 CR4: 0000000000772ef0
[   25.552461][  T450] PKRU: 55555554
[   25.552682][  T450] Call Trace:
[   25.552894][  T450]  <TASK>
[ 25.553035][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.553320][ T450] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.553594][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.553886][ T450] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.554163][ T450] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.554442][ T450] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.554743][ T450] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.555033][ T450] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.555381][ T450] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.555657][ T450] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.555955][ T450] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.556236][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.556516][ T450] ? __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) 
[ 25.556822][ T450] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.557168][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.557447][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.557727][ T450] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.558002][ T450] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.558281][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.558555][ T450] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.558846][ T450] ? __create_object (mm/kmemleak.c:771) 
[ 25.559133][ T450] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.559411][ T450] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.559694][ T450] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.560037][ T450] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.560322][ T450] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.560604][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.560889][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.561173][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.561448][ T450] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.561729][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.562009][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.562284][ T450] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.562561][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.562863][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.563151][ T450] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.563438][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.563728][ T450] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.564015][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.564290][ T450] ? 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) 
[ 25.564568][ T450] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.564854][ T450] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.565130][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.565415][ T450] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.565700][ T450] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.566184][ T450] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.566469][ T450] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.566771][ T450] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.567047][ T450] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.567397][ T450] ___sys_sendmsg (net/socket.c:2670) 
[ 25.567687][ T450] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.567963][ T450] ? __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) 
[ 25.568305][ T450] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.568581][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.568868][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.569153][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.569430][ T450] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.569721][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.570007][ T450] __sys_sendmsg (net/socket.c:2700) 
[ 25.570283][ T450] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.570621][ T450] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.570928][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.571211][ T450] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.571488][ T450] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.571845][  T450] RIP: 0033:0x7f7cf55571e7
[ 25.572135][ T450] 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)
[   25.573130][  T450] RSP: 002b:00007fffa255ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.573549][  T450] RAX: ffffffffffffffda RBX: 00007fffa2560670 RCX: 00007f7cf55571e7
[   25.573979][  T450] RDX: 0000000000000000 RSI: 00007fffa255ffb0 RDI: 0000000000000005
[   25.574394][  T450] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.574825][  T450] R10: 00007f7cf5454ee8 R11: 0000000000000246 R12: 0000000000000004
[   25.575237][  T450] R13: 00000000686e2042 R14: 0000000000499600 R15: 0000000000000000
| [   26.045853][  T462] ------------[ cut here ]------------
| [ 26.046176][ T462] WARNING: CPU: 1 PID: 462 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) 
| [   26.047048][  T462] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.048471][  T462] Tainted: [W]=WARN
[   26.048890][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.049275][ T462] 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) 
[ 26.049593][ T462] 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
[   26.050852][  T462] RSP: 0018:ffffc900006c6ef0 EFLAGS: 00010246
[   26.051241][  T462] RAX: 0000000000000000 RBX: ffff88800bf6a000 RCX: 0000000000000001
[   26.051896][  T462] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   26.052366][  T462] RBP: ffffc900006c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.053084][  T462] R10: ffffc900006c7010 R11: ffffffff9e4a8918 R12: 1ffff920000d8de2
[   26.053546][  T462] R13: 0000000000002710 R14: ffffc900006c7010 R15: ffff88800bf6af08
[   26.054229][  T462] FS:  00007f9d40ae2800(0000) GS:ffff888096b37000(0000) knlGS:0000000000000000
[   26.055020][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.055413][  T462] CR2: 00000000004e5410 CR3: 0000000004f7e004 CR4: 0000000000772ef0
[   26.056103][  T462] PKRU: 55555554
[   26.056339][  T462] Call Trace:
[   26.056570][  T462]  <TASK>
[ 26.056882][ T462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.057198][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.057512][ T462] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.057973][ T462] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.058362][ T462] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.058843][ T462] netif_set_mtu (net/core/dev.c:9652) 
[ 26.059150][ T462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.059465][ T462] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.060092][ T462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.060337][ T462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.060923][ T462] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.061278][ T462] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.061592][ T462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.062051][ T462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.062443][ T462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.062910][ T462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.063227][ T462] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.063541][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.064010][ T462] ? __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) 
[ 26.064321][ T462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.064741][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.065053][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.065357][ T462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.065686][ T462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.066006][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.066313][ T462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.066615][ T462] ? __create_object (mm/kmemleak.c:771) 
[ 26.066937][ T462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.067247][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.067551][ T462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.067945][ T462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.068277][ T462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.068589][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.068906][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.069219][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.069529][ T462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.069844][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.070154][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.070460][ T462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.070794][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.071113][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.071424][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.071748][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.072067][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.072387][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.072699][ T462] ? 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) 
[ 26.073016][ T462] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.073325][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.073636][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.073960][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.074272][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.074581][ T462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.074904][ T462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.075230][ T462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.075534][ T462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.075961][ T462] ___sys_sendmsg (net/socket.c:2670) 
[ 26.076271][ T462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.076579][ T462] ? __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) 
[ 26.076971][ T462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.077285][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.077606][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.077929][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.078236][ T462] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.078547][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.078881][ T462] __sys_sendmsg (net/socket.c:2700) 
[ 26.079191][ T462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.079569][ T462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.079922][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.080235][ T462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.080545][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.080939][  T462] RIP: 0033:0x7f9d40caf1e7
[ 26.081259][ T462] 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)
[   26.082378][  T462] RSP: 002b:00007ffc10ab75e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.082855][  T462] RAX: ffffffffffffffda RBX: 00007ffc10ab7d10 RCX: 00007f9d40caf1e7
[   26.083313][  T462] RDX: 0000000000000000 RSI: 00007ffc10ab7650 RDI: 0000000000000005
[   26.083789][  T462] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.084270][  T462] R10: 0000000024204910 R11: 0000000000000246 R12: 0000000000000004
[   26.084801][  T462] R13: 00000000686e2042 R14: 0000000000499600 R15: 0000000000000000
| [   26.760759][  T479] ------------[ cut here ]------------
| [ 26.761117][ T479] WARNING: CPU: 2 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) 
| [   26.763047][  T479] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.764333][  T479] Tainted: [W]=WARN
[   26.764586][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.765023][ 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) 
[ 26.765394][ 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
[   26.766573][  T479] RSP: 0018:ffffc9000096eef0 EFLAGS: 00010246
[   26.766999][  T479] RAX: 0000000000000000 RBX: ffff88800a54a000 RCX: 0000000000000001
[   26.767518][  T479] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   26.768019][  T479] RBP: ffffc9000096efe0 R08: 0000000000000000 R09: 0000000000000000
[   26.768507][  T479] R10: ffffc9000096f010 R11: ffffffff9e4a8918 R12: 1ffff9200012dde2
[   26.769018][  T479] R13: 0000000000002710 R14: ffffc9000096f010 R15: ffff88800a54af08
[   26.769498][  T479] FS:  00007fd7e8f55800(0000) GS:ffff888096bb7000(0000) knlGS:0000000000000000
[   26.770110][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.770515][  T479] CR2: 00000000004e5418 CR3: 00000000028cb003 CR4: 0000000000772ef0
[   26.771000][  T479] PKRU: 55555554
[   26.771246][  T479] Call Trace:
[   26.771489][  T479]  <TASK>
[ 26.771674][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.772007][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.772352][ T479] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.772712][ T479] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.773117][ T479] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.773454][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 26.773790][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.774127][ T479] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.774572][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.774839][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.775287][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.775660][ T479] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.776055][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.776381][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.776826][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.777161][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.777481][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.777840][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.778176][ 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) 
[ 26.778506][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.778921][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.779251][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.779569][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.779914][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.780236][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.780560][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.780892][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 26.781222][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.781543][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.781881][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.782295][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.782639][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.782984][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.783315][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.783642][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.783982][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.784308][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.784639][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.784990][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.785322][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.785653][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.786050][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.786386][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.786733][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.787075][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.787408][ 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) 
[ 26.787744][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.788087][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.788411][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.788751][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.789087][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.789412][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.789760][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.790103][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.790432][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.790863][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 26.791190][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.791520][ 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) 
[ 26.791947][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.792285][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.792613][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.792951][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.793274][ 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) 
[ 26.793592][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.793936][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 26.794291][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.794703][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.795042][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.795386][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.795718][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.796171][  T479] RIP: 0033:0x7fd7e91221e7
[ 26.796504][ 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)
[   26.797698][  T479] RSP: 002b:00007fffc030e918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.798181][  T479] RAX: ffffffffffffffda RBX: 00007fffc030f040 RCX: 00007fd7e91221e7
[   26.798702][  T479] RDX: 0000000000000000 RSI: 00007fffc030e980 RDI: 0000000000000005
[   26.799183][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.799707][  T479] R10: 000000000f223910 R11: 0000000000000246 R12: 0000000000000004
[   26.800236][  T479] R13: 00000000686e2043 R14: 0000000000499600 R15: 0000000000000000
| [   55.827971][  T628] ------------[ cut here ]------------
| [ 55.828349][ T628] WARNING: CPU: 2 PID: 628 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) 
| [   55.829096][  T628] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   55.830474][  T628] Tainted: [W]=WARN
[   55.830741][  T628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.831164][ T628] 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) 
[ 55.831510][ T628] 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
[   55.832683][  T628] RSP: 0018:ffffc90000706f70 EFLAGS: 00010246
[   55.833111][  T628] RAX: 0000000000000000 RBX: ffff88800a54a000 RCX: 0000000000000001
[   55.833608][  T628] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   55.834115][  T628] RBP: ffffc90000707058 R08: 0000000000000000 R09: 0000000000000000
[   55.834616][  T628] R10: ffffc90000707088 R11: ffffffff99a00130 R12: 1ffff920000e0df2
[   55.835125][  T628] R13: 0000000000002710 R14: ffffc90000707088 R15: ffff88800a54af08
[   55.835624][  T628] FS:  00007fe80483b800(0000) GS:ffff888096bb7000(0000) knlGS:0000000000000000
[   55.836233][  T628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.836657][  T628] CR2: 00000000004e5630 CR3: 00000000025c0005 CR4: 0000000000772ef0
[   55.837196][  T628] PKRU: 55555554
[   55.837462][  T628] Call Trace:
[   55.837741][  T628]  <TASK>
[ 55.837926][ T628] ? __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) 
[ 55.838353][ T628] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.838749][ T628] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.839072][ T628] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.839393][ T628] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.839727][ T628] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.840061][ T628] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.840377][ T628] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.840720][ T628] ? ___sys_sendmsg (net/socket.c:2670) 
[ 55.841037][ T628] ? __sys_sendmsg (net/socket.c:2700) 
[ 55.841354][ T628] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.841687][ T628] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 55.842078][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.842409][ T628] netif_set_mtu (net/core/dev.c:9652) 
[ 55.842772][ T628] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.843107][ T628] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.843359][ T628] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.843835][ T628] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.844206][ T628] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 55.844540][ T628] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.844926][ T628] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.845282][ T628] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 55.845746][ T628] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 55.846105][ T628] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 55.846463][ T628] ? __kernel_text_address (kernel/extable.c:79) 
[ 55.846815][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.847156][ T628] ? __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) 
[ 55.847493][ T628] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 55.847931][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.848270][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.848601][ T628] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 55.848938][ T628] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 55.849261][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.849594][ T628] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.849928][ T628] ? __create_object (mm/kmemleak.c:771) 
[ 55.850251][ T628] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 55.850591][ T628] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 55.850928][ T628] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.851334][ T628] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 55.851684][ T628] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.852035][ T628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.852362][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.852709][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.853034][ T628] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.853364][ T628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.853700][ T628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.854023][ T628] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.854349][ T628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.854694][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.855057][ T628] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.855380][ T628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.855741][ T628] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.856101][ T628] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.856451][ T628] ? 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) 
[ 55.856796][ T628] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.857126][ T628] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.857451][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.857797][ T628] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.858126][ T628] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.858451][ T628] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.858796][ T628] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.859132][ T628] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.859454][ T628] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.859873][ T628] ___sys_sendmsg (net/socket.c:2670) 
[ 55.860190][ T628] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.860548][ T628] ? __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) 
[ 55.860966][ T628] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.861303][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.861626][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.861984][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.862329][ T628] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.862678][ T628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.863028][ T628] __sys_sendmsg (net/socket.c:2700) 
[ 55.863371][ T628] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.863792][ T628] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.864135][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.864472][ T628] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.864816][ T628] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.865227][  T628] RIP: 0033:0x7fe804a081e7
[ 55.865572][ T628] 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)
[   55.866755][  T628] RSP: 002b:00007fff9376bdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.867253][  T628] RAX: ffffffffffffffda RBX: 00007fff9376c4e0 RCX: 00007fe804a081e7
[   55.867763][  T628] RDX: 0000000000000000 RSI: 00007fff9376be20 RDI: 0000000000000005
[   55.868271][  T628] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   55.868776][  T628] R10: 00007fe804905ee8 R11: 0000000000000246 R12: 0000000000000003
[   55.869275][  T628] R13: 00000000686e2060 R14: 0000000000499600 R15: 0000000000000000
| [   56.360106][  T636] ------------[ cut here ]------------
| [ 56.360472][ T636] WARNING: CPU: 2 PID: 636 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) 
| [   56.361694][  T636] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   56.363123][  T636] Tainted: [W]=WARN
[   56.363431][  T636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.363927][ T636] 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) 
[ 56.364279][ T636] 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
[   56.365397][  T636] RSP: 0018:ffffc90000516f70 EFLAGS: 00010246
[   56.365834][  T636] RAX: 0000000000000000 RBX: ffff88800bf6a000 RCX: 0000000000000001
[   56.366366][  T636] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   56.366852][  T636] RBP: ffffc90000517058 R08: 0000000000000000 R09: 0000000000000000
[   56.367325][  T636] R10: ffffc90000517088 R11: ffffffff9db79160 R12: 1ffff920000a2df2
[   56.367820][  T636] R13: 0000000000002710 R14: ffffc90000517088 R15: ffff88800bf6af08
[   56.368350][  T636] FS:  00007fcd4c057800(0000) GS:ffff888096bb7000(0000) knlGS:0000000000000000
[   56.368916][  T636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.369363][  T636] CR2: 00000000004e5628 CR3: 000000000bfbb003 CR4: 0000000000772ef0
[   56.369879][  T636] PKRU: 55555554
[   56.370126][  T636] Call Trace:
[   56.370371][  T636]  <TASK>
[ 56.370540][ T636] ? __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) 
[ 56.370964][ T636] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 56.371326][ T636] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 56.371703][ T636] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.372024][ T636] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.372342][ T636] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.372693][ T636] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.373041][ T636] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.373368][ T636] ? ___sys_sendmsg (net/socket.c:2670) 
[ 56.373701][ T636] ? __sys_sendmsg (net/socket.c:2700) 
[ 56.374055][ T636] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.374375][ T636] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 56.374778][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.375110][ T636] netif_set_mtu (net/core/dev.c:9652) 
[ 56.375430][ T636] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.375788][ T636] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.376062][ T636] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 56.376503][ T636] br_del_if (net/bridge/br_if.c:743) bridge 
[ 56.376875][ T636] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 56.377212][ T636] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 56.377541][ T636] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.377875][ T636] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.378282][ T636] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.378608][ T636] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.378951][ T636] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.379299][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.379634][ T636] ? __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) 
[ 56.379990][ T636] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.380394][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.380723][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.381049][ T636] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.381364][ T636] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.381696][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.382016][ T636] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.382331][ T636] ? __create_object (mm/kmemleak.c:771) 
[ 56.382652][ T636] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.382979][ T636] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.383300][ T636] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.383739][ T636] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.384077][ T636] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.384431][ T636] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.384765][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.385095][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.385414][ T636] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.385758][ T636] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.386124][ T636] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.386441][ T636] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.386769][ T636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.387093][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.387413][ T636] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.387757][ T636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.388078][ T636] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.388410][ T636] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.388747][ T636] ? 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) 
[ 56.389071][ T636] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.389391][ T636] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.389723][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.390052][ T636] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.390372][ T636] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.390709][ T636] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.391058][ T636] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.391381][ T636] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.391722][ T636] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.392126][ T636] ___sys_sendmsg (net/socket.c:2670) 
[ 56.392444][ T636] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.392771][ T636] ? __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) 
[ 56.393164][ T636] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.393507][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.393841][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.394172][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.394489][ T636] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.394820][ T636] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.395149][ T636] __sys_sendmsg (net/socket.c:2700) 
[ 56.395468][ T636] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.395905][ T636] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.396241][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.396560][ T636] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.396895][ T636] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.397286][  T636] RIP: 0033:0x7fcd4c2241e7
[ 56.397632][ T636] 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)
[   56.398757][  T636] RSP: 002b:00007fff249883e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.399231][  T636] RAX: ffffffffffffffda RBX: 00007fff24988b10 RCX: 00007fcd4c2241e7
[   56.399732][  T636] RDX: 0000000000000000 RSI: 00007fff24988450 RDI: 0000000000000005
[   56.400211][  T636] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   56.400689][  T636] R10: 00007fcd4c121ee8 R11: 0000000000000246 R12: 0000000000000003
[   56.401158][  T636] R13: 00000000686e2061 R14: 0000000000499600 R15: 0000000000000000
| [   56.736477][  T640] ------------[ cut here ]------------
| [ 56.736824][ T640] WARNING: CPU: 3 PID: 640 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) 
| [   56.737381][  T640] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   56.738570][  T640] Tainted: [W]=WARN
[   56.738791][  T640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.739139][ T640] 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) 
[ 56.739425][ T640] 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
[   56.740445][  T640] RSP: 0018:ffffc90000757140 EFLAGS: 00010246
[   56.740814][  T640] RAX: 0000000000000000 RBX: ffff88800b669000 RCX: 0000000000000001
[   56.741230][  T640] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   56.741653][  T640] RBP: ffffc90000757230 R08: ffff88800ba4b800 R09: 0000000000000000
[   56.742590][  T640] R10: ffffc900007575c8 R11: ffffffff9e450668 R12: 1ffff920000eae2c
[   56.743075][  T640] R13: 00000000000005dc R14: ffffc90000757880 R15: ffff888008fab160
[   56.743522][  T640] FS:  00007ff2a2be3800(0000) GS:ffff888096c37000(0000) knlGS:0000000000000000
[   56.744017][  T640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.744375][  T640] CR2: 00000000004e5ab0 CR3: 000000000b41b004 CR4: 0000000000772ef0
[   56.744811][  T640] PKRU: 55555554
[   56.745021][  T640] Call Trace:
[   56.745229][  T640]  <TASK>
[ 56.745403][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.745700][ T640] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.745987][ T640] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.746274][ T640] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.746551][ T640] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 56.746841][ T640] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 56.747124][ T640] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 56.747406][ T640] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.747762][ T640] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.748046][ T640] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.748321][ T640] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.748601][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.748931][ T640] ? __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) 
[ 56.749207][ T640] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.749547][ T640] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.749833][ T640] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.750107][ T640] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.750387][ T640] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.750701][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.750982][ T640] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.751261][ T640] ? __create_object (mm/kmemleak.c:771) 
[ 56.751546][ T640] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.751835][ T640] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.752113][ T640] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.752464][ T640] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.752800][ T640] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.753085][ T640] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.753362][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.753643][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.753945][ T640] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.754218][ T640] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.754495][ T640] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.754813][ T640] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.755111][ T640] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.755391][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.755706][ T640] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.756099][ T640] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.756387][ T640] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.756705][ T640] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.756993][ T640] ? 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) 
[ 56.757270][ T640] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.757549][ T640] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.757848][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.758132][ T640] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.758409][ T640] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.758697][ T640] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.758989][ T640] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.759269][ T640] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.759558][ T640] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.759933][ T640] ___sys_sendmsg (net/socket.c:2670) 
[ 56.760233][ T640] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.760507][ T640] ? __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) 
[ 56.760872][ T640] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.761160][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.761439][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.761727][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.762004][ T640] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.762279][ T640] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.762561][ T640] __sys_sendmsg (net/socket.c:2700) 
[ 56.762842][ T640] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.763193][ T640] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.763573][ T640] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.764078][ T640] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.764504][ T640] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.764981][  T640] RIP: 0033:0x7ff2a2db01e7
[ 56.765362][ T640] 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)
[   56.766774][  T640] RSP: 002b:00007fffc3a554a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.767402][  T640] RAX: ffffffffffffffda RBX: 00007fffc3a55bd0 RCX: 00007ff2a2db01e7
[   56.768029][  T640] RDX: 0000000000000000 RSI: 00007fffc3a55510 RDI: 0000000000000005
[   56.768569][  T640] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   56.769296][  T640] R10: 00007ff2a2cadee8 R11: 0000000000000246 R12: 0000000000000004
[   56.769848][  T640] R13: 00000000686e2061 R14: 0000000000499600 R15: 0000000000000000
| [   57.220984][  T646] ------------[ cut here ]------------
| [ 57.221572][ T646] WARNING: CPU: 2 PID: 646 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) 
| [   57.223547][  T646] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.225952][  T646] Tainted: [W]=WARN
[   57.226420][  T646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.227157][ T646] 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) 
[ 57.227784][ T646] 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
[   57.229870][  T646] RSP: 0018:ffffc900007d6f70 EFLAGS: 00010246
[   57.230595][  T646] RAX: 0000000000000000 RBX: ffff88800a54a000 RCX: 0000000000000001
[   57.231468][  T646] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   57.232336][  T646] RBP: ffffc900007d7058 R08: 0000000000000000 R09: 0000000000000000
[   57.233203][  T646] R10: ffffc900007d7088 R11: ffffffff9db79160 R12: 1ffff920000fadf2
[   57.234102][  T646] R13: 00000000000005dc R14: ffffc900007d7088 R15: ffff88800a54af08
[   57.234976][  T646] FS:  00007f5e7f7eb800(0000) GS:ffff888096bb7000(0000) knlGS:0000000000000000
[   57.235993][  T646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.236756][  T646] CR2: 00000000004e73c0 CR3: 000000000e1ba004 CR4: 0000000000772ef0
[   57.237625][  T646] PKRU: 55555554
[   57.238105][  T646] Call Trace:
[   57.238542][  T646]  <TASK>
[ 57.238869][ T646] ? __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) 
[ 57.239576][ T646] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 57.240240][ T646] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.240821][ T646] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.241392][ T646] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.242016][ T646] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.242602][ T646] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.243176][ T646] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.243780][ T646] ? ___sys_sendmsg (net/socket.c:2670) 
[ 57.244347][ T646] ? __sys_sendmsg (net/socket.c:2700) 
[ 57.244882][ T646] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.245240][ T646] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 57.245774][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.246388][ T646] netif_set_mtu (net/core/dev.c:9652) 
[ 57.247010][ T646] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.247623][ T646] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.248078][ T646] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 57.248876][ T646] br_del_if (net/bridge/br_if.c:743) bridge 
[ 57.249486][ T646] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 57.250066][ T646] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.250644][ T646] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.251218][ T646] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.251943][ T646] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.252504][ T646] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.253070][ T646] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.253641][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.254249][ T646] ? __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) 
[ 57.254851][ T646] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.255539][ T646] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.256124][ T646] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.256708][ T646] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.257279][ T646] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.257902][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.258492][ T646] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.259103][ T646] ? __create_object (mm/kmemleak.c:771) 
[ 57.259713][ T646] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.260280][ T646] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.260845][ T646] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.261530][ T646] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.262120][ T646] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.262697][ T646] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.263242][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.263849][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.264368][ T646] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.264931][ T646] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.265483][ T646] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.266082][ T646] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.266644][ T646] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.267225][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.267821][ T646] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.268410][ T646] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.268968][ T646] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.269337][ T646] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.269727][ T646] ? 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) 
[ 57.270249][ T646] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.270837][ T646] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.271400][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.272007][ T646] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.272595][ T646] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.273197][ T646] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.273836][ T646] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.274403][ T646] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.274993][ T646] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.275706][ T646] ___sys_sendmsg (net/socket.c:2670) 
[ 57.276195][ T646] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.276533][ T646] ? __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) 
[ 57.276963][ T646] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.277306][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.277647][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.278016][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.278359][ T646] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.278716][ T646] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.279059][ T646] __sys_sendmsg (net/socket.c:2700) 
[ 57.279392][ T646] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.279820][ T646] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.280166][ T646] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.280503][ T646] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.280857][ T646] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.281283][  T646] RIP: 0033:0x7f5e7f9b81e7
[ 57.281629][ T646] 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)
[   57.282807][  T646] RSP: 002b:00007ffdb09df4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.283307][  T646] RAX: ffffffffffffffda RBX: 00007ffdb09dfbf0 RCX: 00007f5e7f9b81e7
[   57.283821][  T646] RDX: 0000000000000000 RSI: 00007ffdb09df530 RDI: 0000000000000005
[   57.284321][  T646] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.284838][  T646] R10: 00007f5e7f8b5ee8 R11: 0000000000000246 R12: 0000000000000003
[   57.285335][  T646] R13: 00000000686e2061 R14: 0000000000499600 R15: 0000000000000000
| [   57.767068][  T652] ------------[ cut here ]------------
| [ 57.767401][ T652] WARNING: CPU: 3 PID: 652 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) 
| [   57.768025][  T652] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.769287][  T652] Tainted: [W]=WARN
[   57.769519][  T652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.771171][ T652] 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) 
[ 57.771491][ T652] 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
[   57.772606][  T652] RSP: 0018:ffffc90000736f70 EFLAGS: 00010246
[   57.773126][  T652] RAX: 0000000000000000 RBX: ffff88800bf6a000 RCX: 0000000000000001
[   57.773586][  T652] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   57.774053][  T652] RBP: ffffc90000737058 R08: 0000000000000000 R09: 0000000000000000
[   57.774522][  T652] R10: ffffc90000737088 R11: ffffffff9db79160 R12: 1ffff920000e6df2
[   57.774998][  T652] R13: 00000000000005dc R14: ffffc90000737088 R15: ffff88800bf6af08
[   57.775457][  T652] FS:  00007fcb28924800(0000) GS:ffff888096c37000(0000) knlGS:0000000000000000
[   57.776028][  T652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.776416][  T652] CR2: 00000000004e73b8 CR3: 000000000a05f005 CR4: 0000000000772ef0
[   57.776889][  T652] PKRU: 55555554
[   57.777120][  T652] Call Trace:
[   57.777349][  T652]  <TASK>
[ 57.777504][ T652] ? __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) 
[ 57.777919][ T652] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 57.778270][ T652] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.778580][ T652] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.778892][ T652] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.779238][ T652] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.779547][ T652] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.779856][ T652] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.780162][ T652] ? ___sys_sendmsg (net/socket.c:2670) 
[ 57.780466][ T652] ? __sys_sendmsg (net/socket.c:2700) 
[ 57.780797][ T652] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.781101][ T652] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 57.781476][ T652] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.781803][ T652] netif_set_mtu (net/core/dev.c:9652) 
[ 57.782112][ T652] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.782462][ T652] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.782700][ T652] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 57.783116][ T652] br_del_if (net/bridge/br_if.c:743) bridge 
[ 57.783455][ T652] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 57.783770][ T652] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.784077][ T652] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.784392][ T652] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.784788][ T652] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.785095][ T652] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.785398][ T652] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.785746][ T652] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.786080][ T652] ? __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) 
[ 57.786410][ T652] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.786795][ T652] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.787118][ T652] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.787425][ T652] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.787738][ T652] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.788047][ T652] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.788352][ T652] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.788658][ T652] ? __create_object (mm/kmemleak.c:771) 
[ 57.788987][ T652] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.789292][ T652] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.789617][ T652] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.790033][ T652] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.790350][ T652] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.790689][ T652] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.790993][ T652] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.791306][ T652] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.791617][ T652] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.791931][ T652] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.792239][ T652] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.792546][ T652] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.792856][ T652] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.793161][ T652] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.793525][ T652] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.793853][ T652] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.794163][ T652] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.794483][ T652] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.794798][ T652] ? 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) 
[ 57.795108][ T652] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.795416][ T652] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.795729][ T652] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.796066][ T652] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.796374][ T652] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.796697][ T652] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.797010][ T652] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.797321][ T652] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.797624][ T652] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.798022][ T652] ___sys_sendmsg (net/socket.c:2670) 
[ 57.798332][ T652] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.798640][ T652] ? __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) 
[ 57.799048][ T652] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.799356][ T652] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.799676][ T652] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.799992][ T652] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.800299][ T652] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.800619][ T652] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.800947][ T652] __sys_sendmsg (net/socket.c:2700) 
[ 57.801248][ T652] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.801623][ T652] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.801963][ T652] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.802283][ T652] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.802605][ T652] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.803009][  T652] RIP: 0033:0x7fcb28af11e7
[ 57.803352][ T652] 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)
[   57.804509][  T652] RSP: 002b:00007ffe3a2173b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.805001][  T652] RAX: ffffffffffffffda RBX: 00007ffe3a217ae0 RCX: 00007fcb28af11e7
[   57.805490][  T652] RDX: 0000000000000000 RSI: 00007ffe3a217420 RDI: 0000000000000005
[   57.805989][  T652] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.806471][  T652] R10: 00007fcb289eeee8 R11: 0000000000000246 R12: 0000000000000003
[   57.806963][  T652] R13: 00000000686e2062 R14: 0000000000499600 R15: 0000000000000000
| [   58.171739][  T656] ------------[ cut here ]------------
| [ 58.172082][ T656] WARNING: CPU: 3 PID: 656 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) 
| [   58.172647][  T656] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   58.174043][  T656] Tainted: [W]=WARN
[   58.174258][  T656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.174609][ T656] 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) 
[ 58.174938][ T656] 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
[   58.176053][  T656] RSP: 0018:ffffc9000095f140 EFLAGS: 00010246
[   58.176409][  T656] RAX: 0000000000000000 RBX: ffff8880076d9000 RCX: 0000000000000001
[   58.176839][  T656] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   58.177268][  T656] RBP: ffffc9000095f230 R08: ffff88800255d000 R09: 0000000000000000
[   58.177703][  T656] R10: ffffc9000095f5c8 R11: ffffffff9e450668 R12: 1ffff9200012be2c
[   58.178261][  T656] R13: 00000000000005dc R14: ffffc9000095f880 R15: ffff8880057c3160
[   58.178971][  T656] FS:  00007fecf49d2800(0000) GS:ffff888096c37000(0000) knlGS:0000000000000000
[   58.179456][  T656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.179819][  T656] CR2: 00000000004e5aa8 CR3: 00000000098d3005 CR4: 0000000000772ef0
[   58.180329][  T656] PKRU: 55555554
[   58.180559][  T656] Call Trace:
[   58.180839][  T656]  <TASK>
[ 58.181058][ T656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.181535][ T656] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.181926][ T656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.182333][ T656] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 58.182628][ T656] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 58.182921][ T656] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 58.183201][ T656] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 58.183482][ T656] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 58.183844][ T656] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 58.184119][ T656] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 58.184401][ T656] ? __kernel_text_address (kernel/extable.c:79) 
[ 58.184702][ T656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.184987][ T656] ? __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) 
[ 58.185266][ T656] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 58.185605][ T656] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.185906][ T656] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.186180][ T656] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 58.186458][ T656] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 58.186748][ T656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.187051][ T656] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 58.187324][ T656] ? __create_object (mm/kmemleak.c:771) 
[ 58.187604][ T656] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 58.187892][ T656] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 58.188175][ T656] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 58.188521][ T656] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 58.188815][ T656] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 58.189134][ T656] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.189406][ T656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.189698][ T656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.189976][ T656] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 58.190268][ T656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.190543][ T656] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.190826][ T656] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 58.191109][ T656] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.191386][ T656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.191701][ T656] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 58.191976][ T656] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.192249][ T656] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 58.192538][ T656] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 58.192852][ T656] ? 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) 
[ 58.193201][ T656] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 58.193538][ T656] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 58.193901][ T656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.194288][ T656] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.194578][ T656] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 58.194907][ T656] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 58.195269][ T656] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.195632][ T656] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 58.195992][ T656] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 58.196428][ T656] ___sys_sendmsg (net/socket.c:2670) 
[ 58.196760][ T656] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.197069][ T656] ? __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) 
[ 58.197465][ T656] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 58.197814][ T656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.198163][ T656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.198518][ T656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.198815][ T656] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 58.199153][ T656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.199482][ T656] __sys_sendmsg (net/socket.c:2700) 
[ 58.199838][ T656] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 58.200253][ T656] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 58.200595][ T656] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.200914][ T656] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.201243][ T656] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.201631][  T656] RIP: 0033:0x7fecf4b9f1e7
[ 58.202045][ T656] 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)
[   58.203127][  T656] RSP: 002b:00007fff78ac9568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   58.203562][  T656] RAX: ffffffffffffffda RBX: 00007fff78ac9c90 RCX: 00007fecf4b9f1e7
[   58.203997][  T656] RDX: 0000000000000000 RSI: 00007fff78ac95d0 RDI: 0000000000000005
[   58.204414][  T656] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   58.204854][  T656] R10: 00007fecf4a9cee8 R11: 0000000000000246 R12: 0000000000000004
[   58.205287][  T656] R13: 00000000686e2062 R14: 0000000000499600 R15: 0000000000000000
| [   59.498355][  T670] ------------[ cut here ]------------
| [ 59.499110][ T670] WARNING: CPU: 0 PID: 670 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) 
| [   59.499674][  T670] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   59.500873][  T670] Tainted: [W]=WARN
[   59.501081][  T670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.501426][ T670] 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) 
[ 59.501720][ T670] 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
[   59.502711][  T670] RSP: 0018:ffffc9000099f140 EFLAGS: 00010246
[   59.503059][  T670] RAX: 0000000000000000 RBX: ffff88800b66c000 RCX: 0000000000000001
[   59.503471][  T670] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   59.503888][  T670] RBP: ffffc9000099f230 R08: ffff88800b73a000 R09: 0000000000000000
[   59.504307][  T670] R10: ffffc9000099f5c8 R11: ffffffff9e450668 R12: 1ffff92000133e2c
[   59.504727][  T670] R13: 00000000000005dc R14: ffffc9000099f880 R15: ffff88800f925c60
[   59.505151][  T670] FS:  00007f9567416800(0000) GS:ffff888096ab7000(0000) knlGS:0000000000000000
[   59.505631][  T670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.506017][  T670] CR2: 00000000004e5ab8 CR3: 000000000ede7005 CR4: 0000000000772ef0
[   59.506446][  T670] PKRU: 55555554
[   59.506658][  T670] Call Trace:
[   59.506875][  T670]  <TASK>
[ 59.507019][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.507309][ T670] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.507589][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.507882][ T670] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 59.508166][ T670] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 59.508450][ T670] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 59.508750][ T670] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 59.509031][ T670] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.509381][ T670] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.509657][ T670] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.509940][ T670] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.510218][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.510500][ T670] ? __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) 
[ 59.510795][ T670] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.511139][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.511421][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.511705][ T670] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.511981][ T670] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.512258][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.512537][ T670] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.512827][ T670] ? __create_object (mm/kmemleak.c:771) 
[ 59.513109][ T670] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.513386][ T670] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.513663][ T670] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.514019][ T670] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.514305][ T670] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.514583][ T670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.514869][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.515161][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.515438][ T670] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.515764][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.516054][ T670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.516337][ T670] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.516646][ T670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.516940][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.517228][ T670] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.517507][ T670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.517798][ T670] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.518086][ T670] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.518360][ T670] ? 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) 
[ 59.518637][ T670] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.518930][ T670] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.519216][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.519498][ T670] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.519791][ T670] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.520071][ T670] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.520361][ T670] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.520652][ T670] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.520940][ T670] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.521301][ T670] ___sys_sendmsg (net/socket.c:2670) 
[ 59.521665][ T670] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.521956][ T670] ? __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) 
[ 59.522303][ T670] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.522582][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.522876][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.523157][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.523442][ T670] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.523734][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.524020][ T670] __sys_sendmsg (net/socket.c:2700) 
[ 59.524297][ T670] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.524641][ T670] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.524944][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.525224][ T670] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.525499][ T670] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.525880][  T670] RIP: 0033:0x7f95675e31e7
[ 59.526169][ T670] 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)
[   59.527165][  T670] RSP: 002b:00007ffd8a7635e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.527590][  T670] RAX: ffffffffffffffda RBX: 00007ffd8a763d10 RCX: 00007f95675e31e7
[   59.528016][  T670] RDX: 0000000000000000 RSI: 00007ffd8a763650 RDI: 0000000000000005
[   59.528432][  T670] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   59.528888][  T670] R10: 00007f95674e0ee8 R11: 0000000000000246 R12: 0000000000000004
[   59.529302][  T670] R13: 00000000686e2064 R14: 0000000000499600 R15: 0000000000000000
| [   60.756503][  T682] ------------[ cut here ]------------
| [ 60.756855][ T682] WARNING: CPU: 0 PID: 682 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) 
| [   60.757410][  T682] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   60.758595][  T682] Tainted: [W]=WARN
[   60.758828][  T682] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.759181][ T682] 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) 
[ 60.759467][ T682] 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
[   60.760480][  T682] RSP: 0018:ffffc90000a97140 EFLAGS: 00010246
[   60.760856][  T682] RAX: 0000000000000000 RBX: ffff88800934c000 RCX: 0000000000000001
[   60.761273][  T682] RDX: 0000000000000000 RSI: ffffffff9d69b941 RDI: ffffffff9ce555e0
[   60.761716][  T682] RBP: ffffc90000a97230 R08: ffff88800998e800 R09: 0000000000000000
[   60.762145][  T682] R10: ffffc90000a975c8 R11: ffffffff9e450668 R12: 1ffff92000152e2c
[   60.762571][  T682] R13: 00000000000005dc R14: ffffc90000a97880 R15: ffff88800e239560
[   60.763014][  T682] FS:  00007f8798423800(0000) GS:ffff888096ab7000(0000) knlGS:0000000000000000
[   60.763498][  T682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.763872][  T682] CR2: 00000000004e5aa0 CR3: 000000000bb36006 CR4: 0000000000772ef0
[   60.764288][  T682] PKRU: 55555554
[   60.764493][  T682] Call Trace:
[   60.764713][  T682]  <TASK>
[ 60.764860][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.765146][ T682] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.765426][ T682] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.765729][ T682] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 60.766020][ T682] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 60.766297][ T682] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 60.766575][ T682] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 60.766881][ T682] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.767236][ T682] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.767518][ T682] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.767827][ T682] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.768119][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.768398][ T682] ? __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) 
[ 60.768711][ T682] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.769066][ T682] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.769343][ T682] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.769616][ T682] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.769922][ T682] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.770201][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.770476][ T682] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.770798][ T682] ? __create_object (mm/kmemleak.c:771) 
[ 60.771078][ T682] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.771363][ T682] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.771640][ T682] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.772011][ T682] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.772294][ T682] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.772574][ T682] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.772873][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.773159][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.773436][ T682] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.773738][ T682] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.774019][ T682] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.774291][ T682] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.774565][ T682] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.774862][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.775143][ T682] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.775418][ T682] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.775721][ T682] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.776021][ T682] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.776295][ T682] ? 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) 
[ 60.776572][ T682] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.776877][ T682] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.777152][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.777435][ T682] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.777746][ T682] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.778027][ T682] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.778314][ T682] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.778597][ T682] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.778896][ T682] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.779249][ T682] ___sys_sendmsg (net/socket.c:2670) 
[ 60.779521][ T682] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.779827][ T682] ? __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) 
[ 60.780172][ T682] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.780451][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.780751][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.781036][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.781317][ T682] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.781593][ T682] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.781904][ T682] __sys_sendmsg (net/socket.c:2700) 
[ 60.782182][ T682] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.782519][ T682] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.782827][ T682] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.783106][ T682] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.783382][ T682] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.783743][  T682] RIP: 0033:0x7f87985f01e7
[ 60.784033][ T682] 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)
[   60.785035][  T682] RSP: 002b:00007ffff1d52348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.785450][  T682] RAX: ffffffffffffffda RBX: 00007ffff1d52a70 RCX: 00007f87985f01e7
[   60.785901][  T682] RDX: 0000000000000000 RSI: 00007ffff1d523b0 RDI: 0000000000000005
[   60.786320][  T682] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   60.786757][  T682] R10: 00007f87984edee8 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