======================================
| [   21.753808][  T329] veth1: entered promiscuous mode
| [   21.755652][  T329] ------------[ cut here ]------------
| [ 21.756016][ T329] WARNING: CPU: 0 PID: 329 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) 
| [   21.756672][  T329] Modules linked in: bridge stp llc 8021q vrf veth
[   21.757850][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.758262][ T329] 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) 
[ 21.758882][ T329] 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
[   21.760091][  T329] RSP: 0018:ffffc90000676ef0 EFLAGS: 00010246
[   21.760508][  T329] RAX: 0000000000000000 RBX: ffff88800e5b2000 RCX: 0000000000000001
[   21.761037][  T329] RDX: 0000000000000000 RSI: ffffffffa909b941 RDI: ffffffffa88555e0
[   21.761530][  T329] RBP: ffffc90000676fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.762030][  T329] R10: ffffc90000677010 R11: ffffffffa9ea8918 R12: 1ffff920000cede2
[   21.762493][  T329] R13: 00000000000005dc R14: ffffc90000677010 R15: ffff88800e5b2f08
[   21.762974][  T329] FS:  00007f5024e12800(0000) GS:ffff88808b0b7000(0000) knlGS:0000000000000000
[   21.763523][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.763924][  T329] CR2: 00000000004e6890 CR3: 000000000f722006 CR4: 0000000000772ef0
[   21.764399][  T329] PKRU: 55555554
[   21.764631][  T329] Call Trace:
[   21.764886][  T329]  <TASK>
[ 21.765050][ T329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.765367][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.765687][ T329] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.766006][ T329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.766413][ T329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.766731][ T329] netif_set_mtu (net/core/dev.c:9652) 
[ 21.767049][ T329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.767367][ T329] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.767813][ T329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.768050][ T329] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.768497][ T329] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.768886][ T329] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.769201][ T329] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.769512][ T329] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.769937][ T329] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.770273][ T329] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.770586][ T329] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.770937][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.771269][ T329] ? __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) 
[ 21.771619][ T329] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.772032][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.772366][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.772689][ T329] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.773037][ T329] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.773364][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.773693][ T329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.774026][ T329] ? __create_object (mm/kmemleak.c:771) 
[ 21.774369][ T329] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.774694][ T329] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.775038][ T329] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.775444][ T329] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.775788][ T329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.776119][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.776446][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.776797][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.777121][ T329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.777440][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.777767][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.778120][ T329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.778448][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.778788][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.779108][ T329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.779433][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.779763][ T329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.780102][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.780410][ T329] ? 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) 
[ 21.780733][ T329] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.781098][ T329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.781422][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.781746][ T329] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.782067][ T329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.782376][ T329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.782698][ T329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.783023][ T329] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.783347][ T329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.783743][ T329] ___sys_sendmsg (net/socket.c:2670) 
[ 21.784058][ T329] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.784374][ T329] ? __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) 
[ 21.784763][ T329] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.785103][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.785425][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.785737][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.786068][ T329] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.786395][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.786716][ T329] __sys_sendmsg (net/socket.c:2700) 
[ 21.787031][ T329] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.787425][ T329] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.787766][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.788116][ T329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.788443][ T329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.788876][  T329] RIP: 0033:0x7f5024fdf1e7
[ 21.789217][ T329] 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)
[   21.790351][  T329] RSP: 002b:00007ffff62adc58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.790854][  T329] RAX: ffffffffffffffda RBX: 00007ffff62ae380 RCX: 00007f5024fdf1e7
[   21.791321][  T329] RDX: 0000000000000000 RSI: 00007ffff62adcc0 RDI: 0000000000000005
[   21.791805][  T329] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.792279][  T329] R10: 0000000023012910 R11: 0000000000000246 R12: 0000000000000004
[   21.792763][  T329] R13: 00000000686e3f80 R14: 0000000000499600 R15: 0000000000000000
| [   22.949536][  T342] ------------[ cut here ]------------
| [ 22.949910][ T342] WARNING: CPU: 3 PID: 342 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.950524][  T342] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.951919][  T342] Tainted: [W]=WARN
[   22.952169][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.952760][ T342] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.953090][ T342] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.954212][  T342] RSP: 0018:ffffc90000746ef0 EFLAGS: 00010246
[   22.954604][  T342] RAX: 0000000000000000 RBX: ffff888004e3a000 RCX: 0000000000000001
[   22.955078][  T342] RDX: 0000000000000000 RSI: ffffffffa909b941 RDI: ffffffffa88555e0
[   22.955540][  T342] RBP: ffffc90000746fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.956008][  T342] R10: ffffc90000747010 R11: ffffffffa9ea8918 R12: 1ffff920000e8de2
[   22.956484][  T342] R13: 00000000000005dc R14: ffffc90000747010 R15: ffff888004e3af08
[   22.956950][  T342] FS:  00007f9ee60df800(0000) GS:ffff88808b237000(0000) knlGS:0000000000000000
[   22.957485][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.957876][  T342] CR2: 00000000004e6898 CR3: 000000000a5a8002 CR4: 0000000000772ef0
[   22.958340][  T342] PKRU: 55555554
[   22.958570][  T342] Call Trace:
[   22.958807][  T342]  <TASK>
[ 22.958968][ T342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.959277][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.959590][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.959918][ T342] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.960305][ T342] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.960619][ T342] netif_set_mtu (net/core/dev.c:9652) 
[ 22.960935][ T342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.961253][ T342] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.961683][ T342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.961943][ T342] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.962361][ T342] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.962713][ T342] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.963039][ T342] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.963350][ T342] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.963736][ T342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.964050][ T342] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.964355][ T342] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.964665][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.964983][ T342] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.965293][ T342] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.965671][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.965986][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.966290][ T342] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.966592][ T342] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.966906][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.967212][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.967521][ T342] ? __create_object (mm/kmemleak.c:771) 
[ 22.967839][ T342] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.968148][ T342] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.968454][ T342] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.968841][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.969152][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.969502][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.969827][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.970149][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.970454][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.970755][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.971073][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.971377][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.971683][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.972004][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.972322][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.972629][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.972946][ T342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.973265][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.973570][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.973887][ T342] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.974199][ T342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.974536][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.974852][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.975163][ T342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.975471][ T342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.975795][ T342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.976107][ T342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.976415][ T342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.976820][ T342] ___sys_sendmsg (net/socket.c:2670) 
[ 22.977127][ T342] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.977431][ T342] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.977826][ T342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.978137][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.978445][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.978759][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.979593][ T342] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.980074][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.980556][ T342] __sys_sendmsg (net/socket.c:2700) 
[ 22.981035][ T342] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.981616][ T342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.982131][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.982604][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.983100][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.983697][  T342] RIP: 0033:0x7f9ee62ac1e7
[ 22.984195][ T342] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.985858][  T342] RSP: 002b:00007ffeaef38a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.986594][  T342] RAX: ffffffffffffffda RBX: 00007ffeaef39170 RCX: 00007f9ee62ac1e7
[   22.987306][  T342] RDX: 0000000000000000 RSI: 00007ffeaef38ab0 RDI: 0000000000000005
[   22.988002][  T342] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.988680][  T342] R10: 0000000008cb1910 R11: 0000000000000246 R12: 0000000000000004
[   22.989393][  T342] R13: 00000000686e3f81 R14: 0000000000499600 R15: 0000000000000000
| [   35.723709][  T406] ------------[ cut here ]------------
| [ 35.724071][ T406] WARNING: CPU: 3 PID: 406 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.724720][  T406] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.726804][  T406] Tainted: [W]=WARN
[   35.727049][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.727439][ T406] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.727759][ T406] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.728894][  T406] RSP: 0018:ffffc90000946f70 EFLAGS: 00010246
[   35.729314][  T406] RAX: 0000000000000000 RBX: ffff88800e5b2000 RCX: 0000000000000001
[   35.729829][  T406] RDX: 0000000000000000 RSI: ffffffffa909b941 RDI: ffffffffa88555e0
[   35.730314][  T406] RBP: ffffc90000947058 R08: 0000000000000000 R09: 0000000000000000
[   35.730828][  T406] R10: ffffc90000947088 R11: ffffffffa5400130 R12: 1ffff92000128df2
[   35.731287][  T406] R13: 00000000000005dc R14: ffffc90000947088 R15: ffff88800e5b2f08
[   35.731800][  T406] FS:  00007f2675b2c800(0000) GS:ffff88808b237000(0000) knlGS:0000000000000000
[   35.732337][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.732727][  T406] CR2: 00000000004e7398 CR3: 0000000009648003 CR4: 0000000000772ef0
[   35.733220][  T406] PKRU: 55555554
[   35.733463][  T406] Call Trace:
[   35.733712][  T406]  <TASK>
[ 35.733879][ T406] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.734269][ T406] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.734695][ T406] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.735032][ T406] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.735347][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.735664][ T406] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.736004][ T406] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.736308][ T406] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.736624][ T406] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.736967][ T406] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.737286][ T406] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.737591][ T406] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.737999][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.738328][ T406] netif_set_mtu (net/core/dev.c:9652) 
[ 35.738645][ T406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.738987][ T406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.739229][ T406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.739646][ T406] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.740032][ T406] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.740384][ T406] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.740696][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.741036][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.741423][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.741790][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.742098][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.742429][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.742754][ T406] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.743077][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.743455][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.743765][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.744091][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.744395][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.744712][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.745045][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.745365][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 35.745672][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.745989][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.746313][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.746695][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.747020][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.747335][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.747646][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.747964][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.748394][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.748706][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.749041][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.749353][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.749663][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.750038][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.750358][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.750665][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.751014][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.751378][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.751702][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.752029][ T406] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.752343][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.752661][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.753000][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.753313][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.753622][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.754012][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.754323][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.754629][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.755036][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 35.755344][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.755653][ T406] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.756069][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.756428][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.756748][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.757086][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.757400][ T406] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.757709][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.758029][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 35.758337][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.758715][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.759041][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.759378][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.759687][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.760118][  T406] RIP: 0033:0x7f2675cf91e7
[ 35.760439][ T406] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.761544][  T406] RSP: 002b:00007ffc4723f398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.762024][  T406] RAX: ffffffffffffffda RBX: 00007ffc4723fac0 RCX: 00007f2675cf91e7
[   35.762510][  T406] RDX: 0000000000000000 RSI: 00007ffc4723f400 RDI: 0000000000000005
[   35.762985][  T406] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.763456][  T406] R10: 00007f2675bf6ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.763927][  T406] R13: 00000000686e3f8e R14: 0000000000499600 R15: 0000000000000000
| [   35.899916][  T407] ------------[ cut here ]------------
| [ 35.900337][ T407] WARNING: CPU: 2 PID: 407 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) 
| [   35.901119][  T407] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.902285][  T407] Tainted: [W]=WARN
[   35.902559][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.903035][ T407] 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) 
[ 35.903401][ T407] 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
[   35.904730][  T407] RSP: 0018:ffffc90000956f70 EFLAGS: 00010246
[   35.905208][  T407] RAX: 0000000000000000 RBX: ffff888004e3a000 RCX: 0000000000000001
[   35.905751][  T407] RDX: 0000000000000000 RSI: ffffffffa909b941 RDI: ffffffffa88555e0
[   35.906349][  T407] RBP: ffffc90000957058 R08: 0000000000000000 R09: 0000000000000000
[   35.906879][  T407] R10: ffffc90000957088 R11: ffffffffa9579160 R12: 1ffff9200012adf2
[   35.907404][  T407] R13: 00000000000005dc R14: ffffc90000957088 R15: ffff888004e3af08
[   35.907981][  T407] FS:  00007f58c10a6800(0000) GS:ffff88808b1b7000(0000) knlGS:0000000000000000
[   35.908573][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.909082][  T407] CR2: 00000000004e73a8 CR3: 000000000bd47002 CR4: 0000000000772ef0
[   35.909618][  T407] PKRU: 55555554
[   35.909945][  T407] Call Trace:
[   35.910221][  T407]  <TASK>
[ 35.910432][ T407] ? __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) 
[ 35.910888][ T407] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.911310][ T407] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.911690][ T407] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.912050][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.912413][ T407] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.912910][ T407] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.913496][ T407] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.913864][ T407] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.914270][ T407] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.914650][ T407] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.915115][ T407] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.915592][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.915974][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 35.916345][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.916706][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.917021][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.917562][ T407] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.917982][ T407] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.918357][ T407] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.918727][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.919095][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.919564][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.920020][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.920431][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.920825][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.921178][ T407] ? __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) 
[ 35.921526][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.921954][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.922321][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.922662][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.923047][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.923468][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.923824][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.924215][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 35.924587][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.924954][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.925331][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.925792][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.926154][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.926530][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.926935][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.927294][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.927726][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.928064][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.928412][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.928767][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.929152][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.929526][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.929921][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.930275][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.930653][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.931125][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.931516][ T407] ? 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) 
[ 35.931938][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.932328][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.932672][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.933088][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.933446][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.933828][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.934177][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.934533][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.934899][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.935355][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 35.935730][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.936120][ T407] ? __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) 
[ 35.936562][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.936950][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.937313][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.937740][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.938108][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.938472][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.938900][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 35.939249][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.939762][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.940195][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.940581][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.940947][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.941381][  T407] RIP: 0033:0x7f58c12731e7
[ 35.941799][ T407] 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)
[   35.943105][  T407] RSP: 002b:00007fff48ef5dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.943844][  T407] RAX: ffffffffffffffda RBX: 00007fff48ef64f0 RCX: 00007f58c12731e7
[   35.944837][  T407] RDX: 0000000000000000 RSI: 00007fff48ef5e30 RDI: 0000000000000005
[   35.945371][  T407] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.945939][  T407] R10: 00007f58c1170ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.946497][  T407] R13: 00000000686e3f8e R14: 0000000000499600 R15: 0000000000000000
| [   38.170037][  T409] ------------[ cut here ]------------
| [ 38.170396][ T409] WARNING: CPU: 1 PID: 409 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) 
| [   38.172440][  T409] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.173583][  T409] Tainted: [W]=WARN
[   38.173870][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.174288][ T409] 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) 
[ 38.174633][ T409] 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
[   38.175814][  T409] RSP: 0018:ffffc90000976ef0 EFLAGS: 00010246
[   38.176236][  T409] RAX: 0000000000000000 RBX: ffff888004e3a000 RCX: 0000000000000001
[   38.176733][  T409] RDX: 0000000000000000 RSI: ffffffffa909b941 RDI: ffffffffa88555e0
[   38.177236][  T409] RBP: ffffc90000976fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.177729][  T409] R10: ffffc90000977010 R11: ffffffffa9ea8918 R12: 1ffff9200012ede2
[   38.178253][  T409] R13: 00000000000005dc R14: ffffc90000977010 R15: ffff888004e3af08
[   38.178753][  T409] FS:  00007f53250c1800(0000) GS:ffff88808b137000(0000) knlGS:0000000000000000
[   38.179342][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.179770][  T409] CR2: 00000000004e6898 CR3: 000000000af5b005 CR4: 0000000000772ef0
[   38.180290][  T409] PKRU: 55555554
[   38.180544][  T409] Call Trace:
[   38.180802][  T409]  <TASK>
[ 38.180980][ T409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.181312][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.181651][ T409] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.182015][ T409] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.182429][ T409] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.182765][ T409] netif_set_mtu (net/core/dev.c:9652) 
[ 38.183120][ T409] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.183459][ T409] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.183985][ T409] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.184237][ T409] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.184688][ T409] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.185071][ T409] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.185411][ T409] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.185753][ T409] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.186203][ T409] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.186539][ T409] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.186879][ T409] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.187214][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.187550][ T409] ? __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) 
[ 38.187891][ T409] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.188308][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.188636][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.188968][ T409] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.189301][ T409] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.189633][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.190013][ T409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.190343][ T409] ? __create_object (mm/kmemleak.c:771) 
[ 38.190683][ T409] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.191026][ T409] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.191357][ T409] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.191767][ T409] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.192127][ T409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.192467][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.192808][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.193151][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.193486][ T409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.193842][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.194177][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.194510][ T409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.194852][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.195184][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.195521][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.195868][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.196200][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.196540][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.196877][ T409] ? 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) 
[ 38.197212][ T409] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.197551][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.197900][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.198250][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.198588][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.198938][ T409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.199285][ T409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.199625][ T409] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.199979][ T409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.200404][ T409] ___sys_sendmsg (net/socket.c:2670) 
[ 38.200739][ T409] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.201078][ T409] ? __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) 
[ 38.201491][ T409] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.201853][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.202187][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.202524][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.202860][ T409] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.203198][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.203534][ T409] __sys_sendmsg (net/socket.c:2700) 
[ 38.203867][ T409] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.204271][ T409] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.204611][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.204948][ T409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.205279][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.205688][  T409] RIP: 0033:0x7f532528e1e7
[ 38.206055][ T409] 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)
[   38.207234][  T409] RSP: 002b:00007ffef4ea35b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.207733][  T409] RAX: ffffffffffffffda RBX: 00007ffef4ea3ce0 RCX: 00007f532528e1e7
[   38.208251][  T409] RDX: 0000000000000000 RSI: 00007ffef4ea3620 RDI: 0000000000000005
[   38.208742][  T409] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.209247][  T409] R10: 00000000012bc910 R11: 0000000000000246 R12: 0000000000000004
[   38.209739][  T409] R13: 00000000686e3f90 R14: 0000000000499600 R15: 0000000000000000
| [   38.333066][  T410] ------------[ cut here ]------------
| [ 38.333395][ T410] WARNING: CPU: 3 PID: 410 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) 
| [   38.334059][  T410] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.335144][  T410] Tainted: [W]=WARN
[   38.335388][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.335800][ T410] 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) 
[ 38.336141][ T410] 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
[   38.338301][  T410] RSP: 0018:ffffc90000986ef0 EFLAGS: 00010246
[   38.338732][  T410] RAX: 0000000000000000 RBX: ffff88800e5b2000 RCX: 0000000000000001
[   38.339248][  T410] RDX: 0000000000000000 RSI: ffffffffa909b941 RDI: ffffffffa88555e0
[   38.339743][  T410] RBP: ffffc90000986fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.340248][  T410] R10: ffffc90000987010 R11: ffffffffa9ea8918 R12: 1ffff92000130de2
[   38.340730][  T410] R13: 00000000000005dc R14: ffffc90000987010 R15: ffff88800e5b2f08
[   38.341219][  T410] FS:  00007f5d58808800(0000) GS:ffff88808b237000(0000) knlGS:0000000000000000
[   38.341800][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.342209][  T410] CR2: 00000000004e6890 CR3: 000000000a77b002 CR4: 0000000000772ef0
[   38.342699][  T410] PKRU: 55555554
[   38.342952][  T410] Call Trace:
[   38.343202][  T410]  <TASK>
[ 38.343372][ T410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.343714][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.344057][ T410] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.344390][ T410] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.344807][ T410] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.345137][ T410] netif_set_mtu (net/core/dev.c:9652) 
[ 38.345467][ T410] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.345817][ T410] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.346280][ T410] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.346532][ T410] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.347003][ T410] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.347373][ T410] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.347708][ T410] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.348052][ T410] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.348464][ T410] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.348810][ T410] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.349134][ T410] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.349458][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.349841][ T410] ? __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) 
[ 38.350175][ T410] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.350571][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.350914][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.351249][ T410] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.351575][ T410] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.351917][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.352243][ T410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.352566][ T410] ? __create_object (mm/kmemleak.c:771) 
[ 38.352912][ T410] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.353239][ T410] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.353562][ T410] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.353984][ T410] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.354315][ T410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.354647][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.354979][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.355307][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.355630][ T410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.355967][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.356303][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.356625][ T410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.356963][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.357294][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.357622][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.357960][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.358284][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.358617][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.358962][ T410] ? 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) 
[ 38.359284][ T410] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.359608][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.359958][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.360287][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.360613][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.360955][ T410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.361292][ T410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.361618][ T410] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.361954][ T410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.362368][ T410] ___sys_sendmsg (net/socket.c:2670) 
[ 38.362690][ T410] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.363025][ T410] ? __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) 
[ 38.363430][ T410] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.363763][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.364103][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.364433][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.364755][ T410] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.365092][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.365444][ T410] __sys_sendmsg (net/socket.c:2700) 
[ 38.365762][ T410] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.366187][ T410] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.366522][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.366859][ T410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.367192][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.367591][  T410] RIP: 0033:0x7f5d589d51e7
[ 38.367935][ T410] 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)
[   38.369105][  T410] RSP: 002b:00007ffd3118c3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.369598][  T410] RAX: ffffffffffffffda RBX: 00007ffd3118cad0 RCX: 00007f5d589d51e7
[   38.370106][  T410] RDX: 0000000000000000 RSI: 00007ffd3118c410 RDI: 0000000000000005
[   38.370592][  T410] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.371082][  T410] R10: 000000000c7d2910 R11: 0000000000000246 R12: 0000000000000004
[   38.371563][  T410] R13: 00000000686e3f90 R14: 0000000000499600 R15: 0000000000000000
| [   45.020505][  T462] ------------[ cut here ]------------
| [ 45.020848][ 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) 
| [   45.021455][  T462] Modules linked in: bridge stp llc 8021q vrf veth
| [   45.022493][  T462] Tainted: [W]=WARN
[   45.022727][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.023119][ 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) 
[ 45.023438][ 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
[   45.024541][  T462] RSP: 0018:ffffc90000c66f70 EFLAGS: 00010246
[   45.024936][  T462] RAX: 0000000000000000 RBX: ffff888004e3a000 RCX: 0000000000000001
[   45.025397][  T462] RDX: 0000000000000000 RSI: ffffffffa909b941 RDI: ffffffffa88555e0
[   45.025871][  T462] RBP: ffffc90000c67058 R08: 0000000000000000 R09: 0000000000000000
[   45.026328][  T462] R10: ffffc90000c67088 R11: ffffffffa9579160 R12: 1ffff9200018cdf2
[   45.026938][  T462] R13: 00000000000005dc R14: ffffc90000c67088 R15: ffff888004e3af08
[   45.027394][  T462] FS:  00007f2630236800(0000) GS:ffff88808b137000(0000) knlGS:0000000000000000
[   45.028136][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.028560][  T462] CR2: 00000000004e73a8 CR3: 000000000ac08002 CR4: 0000000000772ef0
[   45.029167][  T462] PKRU: 55555554
[   45.029398][  T462] Call Trace:
[   45.029627][  T462]  <TASK>
[ 45.029937][ 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) 
[ 45.030326][ T462] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 45.030679][ T462] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 45.031197][ T462] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.031504][ T462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.032065][ T462] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.032376][ T462] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.032680][ T462] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.032998][ T462] ? ___sys_sendmsg (net/socket.c:2670) 
[ 45.033303][ T462] ? __sys_sendmsg (net/socket.c:2700) 
[ 45.033608][ T462] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.033921][ T462] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 45.034299][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.034614][ T462] netif_set_mtu (net/core/dev.c:9652) 
[ 45.034929][ T462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.035250][ T462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.035480][ T462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 45.035912][ T462] br_del_if (net/bridge/br_if.c:743) bridge 
[ 45.036255][ T462] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 45.036563][ T462] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 45.036878][ T462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.037189][ T462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.037574][ T462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.037883][ T462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.038186][ T462] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.038498][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.038810][ 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) 
[ 45.039116][ T462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.039497][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.039837][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.040137][ T462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.040442][ T462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.040749][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.041058][ T462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.041358][ T462] ? __create_object (mm/kmemleak.c:771) 
[ 45.041664][ T462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.041979][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.042284][ T462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.042664][ T462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.042985][ T462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.043302][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.043614][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.043932][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.044235][ T462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.044534][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.044845][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.045145][ T462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.045449][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.045761][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.046077][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.046380][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.046685][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.047007][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.047308][ 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) 
[ 45.047619][ T462] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.047936][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.048239][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.048546][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.048866][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.049169][ T462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.049480][ T462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.049823][ T462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.050137][ T462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.050524][ T462] ___sys_sendmsg (net/socket.c:2670) 
[ 45.050832][ T462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.051136][ 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) 
[ 45.051515][ T462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.051829][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.052135][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.052447][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.052748][ 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) 
[ 45.053060][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.053374][ T462] __sys_sendmsg (net/socket.c:2700) 
[ 45.053676][ T462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.054059][ T462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.054373][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.054683][ T462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.054995][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.055403][  T462] RIP: 0033:0x7f26304031e7
[ 45.055719][ 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)
[   45.056814][  T462] RSP: 002b:00007ffda2a10478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.057273][  T462] RAX: ffffffffffffffda RBX: 00007ffda2a10ba0 RCX: 00007f26304031e7
[   45.057729][  T462] RDX: 0000000000000000 RSI: 00007ffda2a104e0 RDI: 0000000000000005
[   45.058191][  T462] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   45.058662][  T462] R10: 00007f2630300ee8 R11: 0000000000000246 R12: 0000000000000003
[   45.059165][  T462] R13: 00000000686e3f97 R14: 0000000000499600 R15: 0000000000000000
| [   45.764620][  T469] ------------[ cut here ]------------
| [ 45.765177][ T469] WARNING: CPU: 0 PID: 469 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) 
| [   45.765801][  T469] Modules linked in: bridge stp llc 8021q vrf veth
| [   45.766836][  T469] Tainted: [W]=WARN
[   45.767069][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.767457][ T469] 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) 
[ 45.767793][ T469] 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
[   45.768904][  T469] RSP: 0018:ffffc90000596f70 EFLAGS: 00010246
[   45.769397][  T469] RAX: 0000000000000000 RBX: ffff88800e5b2000 RCX: 0000000000000001
[   45.769889][  T469] RDX: 0000000000000000 RSI: ffffffffa909b941 RDI: ffffffffa88555e0
[   45.770347][  T469] RBP: ffffc90000597058 R08: 0000000000000000 R09: 0000000000000000
[   45.770897][  T469] R10: ffffc90000597088 R11: ffffffffa9579160 R12: 1ffff920000b2df2
[   45.771359][  T469] R13: 00000000000005dc R14: ffffc90000597088 R15: ffff88800e5b2f08
[   45.771852][  T469] FS:  00007f1172376800(0000) GS:ffff88808b0b7000(0000) knlGS:0000000000000000
[   45.772386][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.772807][  T469] CR2: 00000000004e7398 CR3: 000000000bc73003 CR4: 0000000000772ef0
[   45.773268][  T469] PKRU: 55555554
[   45.773498][  T469] Call Trace:
[   45.773747][  T469]  <TASK>
[ 45.773913][ T469] ? __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) 
[ 45.774297][ T469] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 45.774661][ T469] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 45.774979][ T469] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.775287][ T469] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.775590][ T469] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.775927][ T469] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.776228][ T469] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.776533][ T469] ? ___sys_sendmsg (net/socket.c:2670) 
[ 45.776862][ T469] ? __sys_sendmsg (net/socket.c:2700) 
[ 45.777167][ T469] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.777468][ T469] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 45.777865][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.778182][ T469] netif_set_mtu (net/core/dev.c:9652) 
[ 45.778495][ T469] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.778835][ T469] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.779069][ T469] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 45.779497][ T469] br_del_if (net/bridge/br_if.c:743) bridge 
[ 45.779866][ T469] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 45.780171][ T469] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 45.780479][ T469] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.780815][ T469] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.781212][ T469] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.781519][ T469] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.781847][ T469] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.782159][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.782466][ T469] ? __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) 
[ 45.782828][ T469] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.783211][ T469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.783517][ T469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.783852][ T469] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.784156][ T469] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.784463][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.784767][ T469] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.785078][ T469] ? __create_object (mm/kmemleak.c:771) 
[ 45.785388][ T469] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.785697][ T469] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.786010][ T469] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.786388][ T469] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.786699][ T469] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.787016][ T469] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.787322][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.787633][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.787946][ T469] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.788251][ T469] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.788556][ T469] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.788868][ T469] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.789177][ T469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.789485][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.789811][ T469] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.790117][ T469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.790428][ T469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.790744][ T469] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.791056][ T469] ? 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) 
[ 45.791363][ T469] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 45.791671][ T469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.791983][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.792296][ T469] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.792609][ T469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.792923][ T469] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.793236][ T469] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.793544][ T469] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.793861][ T469] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.794252][ T469] ___sys_sendmsg (net/socket.c:2670) 
[ 45.794552][ T469] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.794871][ T469] ? __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) 
[ 45.795252][ T469] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.795557][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.795871][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.796183][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.796487][ T469] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.796802][ T469] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.797112][ T469] __sys_sendmsg (net/socket.c:2700) 
[ 45.797417][ T469] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.797805][ T469] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.798123][ T469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.798429][ T469] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.798738][ T469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.799129][  T469] RIP: 0033:0x7f11725431e7
[ 45.799446][ T469] 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)
[   45.800566][  T469] RSP: 002b:00007ffc267e66b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.801034][  T469] RAX: ffffffffffffffda RBX: 00007ffc267e6de0 RCX: 00007f11725431e7
[   45.801492][  T469] RDX: 0000000000000000 RSI: 00007ffc267e6720 RDI: 0000000000000005
[   45.801963][  T469] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   45.802418][  T469] R10: 00007f1172440ee8 R11: 0000000000000246 R12: 0000000000000003


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