======================================
| [   22.092466][  T327] veth1: entered promiscuous mode
| [   22.095017][  T327] ------------[ cut here ]------------
| [ 22.095421][ T327] WARNING: CPU: 2 PID: 327 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) 
| [   22.096096][  T327] Modules linked in: bridge stp llc 8021q vrf veth
[   22.098692][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.099118][ T327] 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) 
[ 22.099464][ T327] 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
[   22.100605][  T327] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   22.101027][  T327] RAX: 0000000000000000 RBX: ffff88800f54a000 RCX: 0000000000000001
[   22.101517][  T327] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[   22.102024][  T327] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.102533][  T327] R10: ffffc90000607010 R11: ffffffff884a8918 R12: 1ffff920000c0de2
[   22.103051][  T327] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800f54af08
[   22.103536][  T327] FS:  00007ff2331a6800(0000) GS:ffff8880acbb7000(0000) knlGS:0000000000000000
[   22.104093][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.104509][  T327] CR2: 00000000004e5aa8 CR3: 000000000a134002 CR4: 0000000000772ef0
[   22.105007][  T327] PKRU: 55555554
[   22.105265][  T327] Call Trace:
[   22.105524][  T327]  <TASK>
[ 22.105701][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.106039][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.106378][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.106700][ T327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.107112][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.107445][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 22.107768][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.108115][ T327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.108556][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.109038][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.109473][ T327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.109866][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.110211][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.110537][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.110950][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.111539][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.111941][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.112276][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.112838][ T327] ? __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) 
[ 22.113159][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.113557][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.113897][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.114220][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.114538][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.114868][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.115637][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.115967][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 22.116300][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.116854][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.117184][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.117577][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.118144][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.118469][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.119026][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.119571][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.119917][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.120232][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.120775][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.121100][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.121425][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.121755][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.122091][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.122424][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.122743][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.123080][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.123617][ T327] ? 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) 
[ 22.123940][ T327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.124262][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.124579][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.125142][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.125469][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.125793][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.126137][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.126470][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.126794][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.127208][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 22.127532][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.127862][ T327] ? __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) 
[ 22.128260][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.128579][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.128908][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.129234][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.129553][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.129918][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.130468][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 22.130785][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.131182][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.131509][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.132059][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.132381][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.132773][  T327] RIP: 0033:0x7ff2333731e7
[ 22.133128][ T327] 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)
[   22.134473][  T327] RSP: 002b:00007ffc602bca98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.135187][  T327] RAX: ffffffffffffffda RBX: 00007ffc602bd1c0 RCX: 00007ff2333731e7
[   22.135828][  T327] RDX: 0000000000000000 RSI: 00007ffc602bcb00 RDI: 0000000000000005
[   22.136315][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.137021][  T327] R10: 000000002ad8a910 R11: 0000000000000246 R12: 0000000000000004
[   22.137502][  T327] R13: 00000000686e0dc2 R14: 0000000000499600 R15: 0000000000000000
| [   22.490767][  T331] ------------[ cut here ]------------
| [ 22.491133][ T331] WARNING: CPU: 2 PID: 331 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) 
| [   22.491760][  T331] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.492828][  T331] Tainted: [W]=WARN
[   22.493077][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.493481][ T331] 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) 
[ 22.493819][ T331] 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
[   22.494930][  T331] RSP: 0018:ffffc90000af6ef0 EFLAGS: 00010246
[   22.495333][  T331] RAX: 0000000000000000 RBX: ffff88800f54a000 RCX: 0000000000000001
[   22.495821][  T331] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[   22.496293][  T331] RBP: ffffc90000af6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.496765][  T331] R10: ffffc90000af7010 R11: ffffffff884a8918 R12: 1ffff9200015ede2
[   22.497450][  T331] R13: 00000000000005dc R14: ffffc90000af7010 R15: ffff88800f54af08
[   22.498119][  T331] FS:  00007f03fc967800(0000) GS:ffff8880acbb7000(0000) knlGS:0000000000000000
[   22.498908][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.499550][  T331] CR2: 00000000004e5ab0 CR3: 000000000aa13002 CR4: 0000000000772ef0
[   22.500240][  T331] PKRU: 55555554
[   22.500625][  T331] Call Trace:
[   22.500926][  T331]  <TASK>
[ 22.501109][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.501433][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.501758][ T331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.502094][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.502494][ T331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.502847][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 22.503175][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.503513][ T331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.503980][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.504231][ T331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.504659][ T331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.505029][ T331] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.505359][ T331] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.505681][ T331] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.506103][ T331] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.506425][ T331] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.506742][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.507078][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.507405][ T331] ? __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) 
[ 22.507729][ T331] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.508149][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.508471][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.508790][ T331] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.509122][ T331] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.509444][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.509776][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.510106][ T331] ? __create_object (mm/kmemleak.c:771) 
[ 22.510430][ T331] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.510756][ T331] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.511083][ T331] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.511478][ T331] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.511802][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.512148][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.512467][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.512791][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.513121][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.513441][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.513761][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.514091][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.514413][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.514733][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.515068][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.515392][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.515720][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.516077][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.516397][ T331] ? 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) 
[ 22.516722][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.517054][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.517372][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.517702][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.518048][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.518369][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.518697][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.519036][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.519357][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.519769][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 22.520117][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.520443][ T331] ? __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) 
[ 22.520855][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.521177][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.521498][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.521840][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.522161][ T331] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.522478][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.522803][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 22.523144][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.523540][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.523891][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.524213][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.524532][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.524938][  T331] RIP: 0033:0x7f03fcb341e7
[ 22.525270][ T331] 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)
[   22.526398][  T331] RSP: 002b:00007ffe9aad1948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.526889][  T331] RAX: ffffffffffffffda RBX: 00007ffe9aad2070 RCX: 00007f03fcb341e7
[   22.527362][  T331] RDX: 0000000000000000 RSI: 00007ffe9aad19b0 RDI: 0000000000000005
[   22.527866][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.528338][  T331] R10: 00000000046a4910 R11: 0000000000000246 R12: 0000000000000004
[   22.528825][  T331] R13: 00000000686e0dc3 R14: 0000000000499600 R15: 0000000000000000
| [  113.224905][ T2117] ------------[ cut here ]------------
| [ 113.225478][ T2117] WARNING: CPU: 0 PID: 2117 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) 
| [  113.226555][ T2117] Modules linked in: bridge stp llc 8021q vrf veth
| [  113.228421][ T2117] Tainted: [W]=WARN
[  113.228832][ T2117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.229482][ T2117] 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) 
[ 113.231164][ T2117] 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
[  113.233129][ T2117] RSP: 0018:ffffc90003cf6f70 EFLAGS: 00010246
[  113.233805][ T2117] RAX: 0000000000000000 RBX: ffff88800f54a000 RCX: 0000000000000001
[  113.234634][ T2117] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  113.235466][ T2117] RBP: ffffc90003cf7058 R08: 0000000000000000 R09: 0000000000000000
[  113.236281][ T2117] R10: ffffc90003cf7088 R11: ffffffff83a00130 R12: 1ffff9200079edf2
[  113.237089][ T2117] R13: 00000000000005dc R14: ffffc90003cf7088 R15: ffff88800f54af08
[  113.237899][ T2117] FS:  00007fc4a1a58800(0000) GS:ffff8880acab7000(0000) knlGS:0000000000000000
[  113.238853][ T2117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.239523][ T2117] CR2: 00000000004e5ab0 CR3: 000000000f6b4006 CR4: 0000000000772ef0
[  113.240351][ T2117] PKRU: 55555554
[  113.240740][ T2117] Call Trace:
[  113.241175][ T2117]  <TASK>
[ 113.241431][ T2117] ? __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) 
[ 113.242098][ T2117] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.242714][ T2117] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.243264][ T2117] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.243799][ T2117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.244341][ T2117] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.244886][ T2117] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.245412][ T2117] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.245970][ T2117] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.246509][ T2117] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.247053][ T2117] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.247584][ T2117] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.248262][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.248834][ T2117] netif_set_mtu (net/core/dev.c:9652) 
[ 113.249368][ T2117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.249956][ T2117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.250360][ T2117] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.251108][ T2117] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.251682][ T2117] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.252235][ T2117] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.252775][ T2117] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.253337][ T2117] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.254028][ T2117] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.254561][ T2117] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.255119][ T2117] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.255655][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.256202][ T2117] ? __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) 
[ 113.256742][ T2117] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.257417][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.257966][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.258494][ T2117] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.259048][ T2117] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.259575][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.259994][ T2117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.260310][ T2117] ? __create_object (mm/kmemleak.c:771) 
[ 113.260630][ T2117] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.260953][ T2117] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.261266][ T2117] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.261647][ T2117] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.261980][ T2117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.262297][ T2117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.262608][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.262938][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.263249][ T2117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.263564][ T2117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.263884][ T2117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.264196][ T2117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.264511][ T2117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.264831][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.265148][ T2117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.265462][ T2117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.265772][ T2117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.266104][ T2117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.266412][ T2117] ? 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) 
[ 113.266737][ T2117] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.267058][ T2117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.267370][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.267686][ T2117] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.268011][ T2117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.268326][ T2117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.268642][ T2117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.268975][ T2117] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.269287][ T2117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.269686][ T2117] ___sys_sendmsg (net/socket.c:2670) 
[ 113.270019][ T2117] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.270331][ T2117] ? __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) 
[ 113.270718][ T2117] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.271040][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.271359][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.271673][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.271988][ T2117] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.272304][ T2117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.272628][ T2117] __sys_sendmsg (net/socket.c:2700) 
[ 113.272941][ T2117] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.273322][ T2117] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.273650][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.273970][ T2117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.274280][ T2117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.274666][ T2117] RIP: 0033:0x7fc4a1c251e7
[ 113.275004][ T2117] 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)
[  113.276126][ T2117] RSP: 002b:00007ffcaa9acf58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.276601][ T2117] RAX: ffffffffffffffda RBX: 00007ffcaa9ad680 RCX: 00007fc4a1c251e7
[  113.277078][ T2117] RDX: 0000000000000000 RSI: 00007ffcaa9acfc0 RDI: 0000000000000005
[  113.277552][ T2117] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.278032][ T2117] R10: 00007fc4a1b22ee8 R11: 0000000000000246 R12: 0000000000000003
[  113.278499][ T2117] R13: 00000000686e0e1d R14: 0000000000499600 R15: 0000000000000000
| [  113.530279][ T2119] ------------[ cut here ]------------
| [ 113.530648][ T2119] WARNING: CPU: 1 PID: 2119 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) 
| [  113.532080][ T2119] Modules linked in: bridge stp llc 8021q vrf veth
| [  113.533172][ T2119] Tainted: [W]=WARN
[  113.533415][ T2119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.533835][ T2119] 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) 
[ 113.534174][ T2119] 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
[  113.535419][ T2119] RSP: 0018:ffffc90003d16f70 EFLAGS: 00010246
[  113.535838][ T2119] RAX: 0000000000000000 RBX: ffff88800f54a000 RCX: 0000000000000001
[  113.536349][ T2119] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  113.536849][ T2119] RBP: ffffc90003d17058 R08: 0000000000000000 R09: 0000000000000000
[  113.537330][ T2119] R10: ffffc90003d17088 R11: ffffffff87b79160 R12: 1ffff920007a2df2
[  113.537822][ T2119] R13: 00000000000005dc R14: ffffc90003d17088 R15: ffff88800f54af08
[  113.538304][ T2119] FS:  00007f5b8ea78800(0000) GS:ffff8880acb37000(0000) knlGS:0000000000000000
[  113.538884][ T2119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.539286][ T2119] CR2: 00000000004e5aa8 CR3: 0000000004e6f003 CR4: 0000000000772ef0
[  113.539774][ T2119] PKRU: 55555554
[  113.540203][ T2119] Call Trace:
[  113.540447][ T2119]  <TASK>
[ 113.540609][ T2119] ? __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) 
[ 113.541201][ T2119] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.541567][ T2119] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.542039][ T2119] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.542360][ T2119] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.542679][ T2119] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.543481][ T2119] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.544394][ T2119] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.544955][ T2119] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.545513][ T2119] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.546045][ T2119] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.546635][ T2119] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.547329][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.547945][ T2119] netif_set_mtu (net/core/dev.c:9652) 
[ 113.548502][ T2119] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.549106][ T2119] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.549524][ T2119] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.550313][ T2119] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.550943][ T2119] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.551500][ T2119] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.552089][ T2119] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.552640][ T2119] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.553354][ T2119] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.553912][ T2119] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.554459][ T2119] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.555032][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.555593][ T2119] ? __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) 
[ 113.556135][ T2119] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.556840][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.557384][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.557948][ T2119] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.558508][ T2119] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.559090][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.559667][ T2119] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.560240][ T2119] ? __create_object (mm/kmemleak.c:771) 
[ 113.560794][ T2119] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.561366][ T2119] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.561930][ T2119] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.562619][ T2119] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.563211][ T2119] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.563774][ T2119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.564347][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.564922][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.565472][ T2119] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.566041][ T2119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.566592][ T2119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.567177][ T2119] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.567746][ T2119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.568313][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.568892][ T2119] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.569445][ T2119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.570013][ T2119] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.570588][ T2119] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.571155][ T2119] ? 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) 
[ 113.571708][ T2119] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.572269][ T2119] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.572839][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.573409][ T2119] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.573970][ T2119] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.574530][ T2119] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.575136][ T2119] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.575712][ T2119] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.576273][ T2119] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.576984][ T2119] ___sys_sendmsg (net/socket.c:2670) 
[ 113.577532][ T2119] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.578100][ T2119] ? __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) 
[ 113.578734][ T2119] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.579102][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.579424][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.579755][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.580257][ T2119] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.580832][ T2119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.581397][ T2119] __sys_sendmsg (net/socket.c:2700) 
[ 113.581845][ T2119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.582252][ T2119] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.582576][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.582931][ T2119] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.583246][ T2119] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.583625][ T2119] RIP: 0033:0x7f5b8ec451e7
[ 113.584052][ T2119] 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)
[  113.585753][ T2119] RSP: 002b:00007ffe84c01338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.586237][ T2119] RAX: ffffffffffffffda RBX: 00007ffe84c01a60 RCX: 00007f5b8ec451e7
[  113.586708][ T2119] RDX: 0000000000000000 RSI: 00007ffe84c013a0 RDI: 0000000000000005
[  113.587226][ T2119] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.587709][ T2119] R10: 00007f5b8eb42ee8 R11: 0000000000000246 R12: 0000000000000003
[  113.588238][ T2119] R13: 00000000686e0e1e R14: 0000000000499600 R15: 0000000000000000
| [  114.698193][ T2137] ------------[ cut here ]------------
| [ 114.698527][ T2137] WARNING: CPU: 1 PID: 2137 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) 
| [  114.700648][ T2137] Modules linked in: bridge stp llc 8021q vrf veth
| [  114.701754][ T2137] Tainted: [W]=WARN
[  114.702019][ T2137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.702444][ T2137] 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) 
[ 114.702776][ T2137] 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
[  114.703955][ T2137] RSP: 0018:ffffc90003d96ef0 EFLAGS: 00010246
[  114.704373][ T2137] RAX: 0000000000000000 RBX: ffff88800ed02000 RCX: 0000000000000001
[  114.704879][ T2137] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  114.705368][ T2137] RBP: ffffc90003d96fe0 R08: 0000000000000000 R09: 0000000000000000
[  114.705875][ T2137] R10: ffffc90003d97010 R11: ffffffff884a8918 R12: 1ffff920007b2de2
[  114.706399][ T2137] R13: 00000000000005dc R14: ffffc90003d97010 R15: ffff88800ed02f08
[  114.706906][ T2137] FS:  00007f06062a6800(0000) GS:ffff8880acb37000(0000) knlGS:0000000000000000
[  114.707465][ T2137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.707877][ T2137] CR2: 00000000004e5aa8 CR3: 000000000fc4e006 CR4: 0000000000772ef0
[  114.708358][ T2137] PKRU: 55555554
[  114.708598][ T2137] Call Trace:
[  114.708844][ T2137]  <TASK>
[ 114.709016][ T2137] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.709339][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.709664][ T2137] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.710017][ T2137] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.710419][ T2137] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.710738][ T2137] netif_set_mtu (net/core/dev.c:9652) 
[ 114.711117][ T2137] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.711466][ T2137] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.711935][ T2137] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.712187][ T2137] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.712625][ T2137] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.713003][ T2137] do_set_master (net/core/rtnetlink.c:2948) 
[ 114.713345][ T2137] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 114.713686][ T2137] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.714135][ T2137] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.714464][ T2137] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.714790][ T2137] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.715130][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.715460][ T2137] ? __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) 
[ 114.715780][ T2137] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.716197][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.716521][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.716845][ T2137] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.717164][ T2137] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.717485][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.717843][ T2137] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.718172][ T2137] ? __create_object (mm/kmemleak.c:771) 
[ 114.718511][ T2137] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.718851][ T2137] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.719172][ T2137] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.719571][ T2137] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.719920][ T2137] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.720257][ T2137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.720574][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.720912][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.721220][ T2137] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.721542][ T2137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.721883][ T2137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.722210][ T2137] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.722544][ T2137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.722880][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.723218][ T2137] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.723542][ T2137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.723882][ T2137] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.724216][ T2137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.724546][ T2137] ? 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) 
[ 114.724887][ T2137] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.725220][ T2137] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.725538][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.725884][ T2137] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.726223][ T2137] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.726545][ T2137] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.726884][ T2137] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.727208][ T2137] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.727526][ T2137] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.727941][ T2137] ___sys_sendmsg (net/socket.c:2670) 
[ 114.728257][ T2137] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.728583][ T2137] ? __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) 
[ 114.728988][ T2137] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.729313][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.729637][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.729994][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.730317][ T2137] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.730636][ T2137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.731006][ T2137] __sys_sendmsg (net/socket.c:2700) 
[ 114.731330][ T2137] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.731725][ T2137] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.732102][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.732427][ T2137] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.732748][ T2137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.733152][ T2137] RIP: 0033:0x7f06064731e7
[ 114.733514][ T2137] 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)
[  114.734706][ T2137] RSP: 002b:00007ffde14e4c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.735217][ T2137] RAX: ffffffffffffffda RBX: 00007ffde14e5330 RCX: 00007f06064731e7
[  114.735699][ T2137] RDX: 0000000000000000 RSI: 00007ffde14e4c70 RDI: 0000000000000005
[  114.736204][ T2137] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  114.736691][ T2137] R10: 0000000014a84910 R11: 0000000000000246 R12: 0000000000000004
[  114.737179][ T2137] R13: 00000000686e0e1f R14: 0000000000499600 R15: 0000000000000000
| [  115.356518][ T2142] ------------[ cut here ]------------
| [ 115.356953][ T2142] WARNING: CPU: 0 PID: 2142 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) 
| [  115.357711][ T2142] Modules linked in: bridge stp llc 8021q vrf veth
| [  115.358963][ T2142] Tainted: [W]=WARN
[  115.359201][ T2142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.359600][ T2142] 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) 
[ 115.359970][ T2142] 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
[  115.361149][ T2142] RSP: 0018:ffffc90003da6ef0 EFLAGS: 00010246
[  115.361544][ T2142] RAX: 0000000000000000 RBX: ffff88800ed02000 RCX: 0000000000000001
[  115.362028][ T2142] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  115.362484][ T2142] RBP: ffffc90003da6fe0 R08: 0000000000000000 R09: 0000000000000000
[  115.362967][ T2142] R10: ffffc90003da7010 R11: ffffffff884a8918 R12: 1ffff920007b4de2
[  115.363455][ T2142] R13: 00000000000005dc R14: ffffc90003da7010 R15: ffff88800ed02f08
[  115.363922][ T2142] FS:  00007fb169dcf800(0000) GS:ffff8880acab7000(0000) knlGS:0000000000000000
[  115.364468][ T2142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.364892][ T2142] CR2: 00000000004e5ab0 CR3: 000000000b4c3005 CR4: 0000000000772ef0
[  115.365396][ T2142] PKRU: 55555554
[  115.365643][ T2142] Call Trace:
[  115.365883][ T2142]  <TASK>
[ 115.366044][ T2142] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.366355][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.366668][ T2142] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.366999][ T2142] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.367379][ T2142] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.367698][ T2142] netif_set_mtu (net/core/dev.c:9652) 
[ 115.368019][ T2142] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.368339][ T2142] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.368767][ T2142] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.369049][ T2142] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.369479][ T2142] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.369849][ T2142] do_set_master (net/core/rtnetlink.c:2948) 
[ 115.370205][ T2142] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 115.370526][ T2142] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 115.370927][ T2142] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.371236][ T2142] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.371544][ T2142] ? __kernel_text_address (kernel/extable.c:79) 
[ 115.371872][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.372212][ T2142] ? __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) 
[ 115.372528][ T2142] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 115.372948][ T2142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.373275][ T2142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.373591][ T2142] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 115.373937][ T2142] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 115.374258][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.374570][ T2142] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.374894][ T2142] ? __create_object (mm/kmemleak.c:771) 
[ 115.375255][ T2142] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 115.375589][ T2142] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 115.375920][ T2142] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 115.376313][ T2142] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 115.376632][ T2142] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.376971][ T2142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.377305][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.377639][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.377998][ T2142] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.378323][ T2142] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.378653][ T2142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.378980][ T2142] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.379317][ T2142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.379637][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.379986][ T2142] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.380303][ T2142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.380663][ T2142] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.381010][ T2142] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.381342][ T2142] ? 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) 
[ 115.381651][ T2142] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.381984][ T2142] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.382313][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.382643][ T2142] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.382982][ T2142] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.383301][ T2142] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.383624][ T2142] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.383941][ T2142] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.384244][ T2142] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.384647][ T2142] ___sys_sendmsg (net/socket.c:2670) 
[ 115.384961][ T2142] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 115.385269][ T2142] ? __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) 
[ 115.385648][ T2142] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.385965][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.386272][ T2142] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.386580][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.386894][ T2142] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 115.387200][ T2142] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.387529][ T2142] __sys_sendmsg (net/socket.c:2700) 
[ 115.387845][ T2142] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 115.388234][ T2142] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.388551][ T2142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.388881][ T2142] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.389221][ T2142] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.389618][ T2142] RIP: 0033:0x7fb169f9c1e7
[ 115.389970][ T2142] 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)
[  115.391108][ T2142] RSP: 002b:00007ffddc9ba218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.391619][ T2142] RAX: ffffffffffffffda RBX: 00007ffddc9ba940 RCX: 00007fb169f9c1e7
[  115.392098][ T2142] RDX: 0000000000000000 RSI: 00007ffddc9ba280 RDI: 0000000000000005
[  115.392589][ T2142] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  115.393053][ T2142] R10: 0000000034955910 R11: 0000000000000246 R12: 0000000000000004
[  115.393516][ T2142] R13: 00000000686e0e20 R14: 0000000000499600 R15: 0000000000000000
| [  205.147969][ T3935] ------------[ cut here ]------------
| [ 205.148308][ T3935] WARNING: CPU: 3 PID: 3935 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) 
| [  205.148931][ T3935] Modules linked in: bridge stp llc 8021q vrf veth
| [  205.150036][ T3935] Tainted: [W]=WARN
[  205.150273][ T3935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 205.150662][ T3935] 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) 
[ 205.150992][ T3935] 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
[  205.152089][ T3935] RSP: 0018:ffffc90007336f70 EFLAGS: 00010246
[  205.152482][ T3935] RAX: 0000000000000000 RBX: ffff88800ed02000 RCX: 0000000000000001
[  205.152972][ T3935] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  205.153436][ T3935] RBP: ffffc90007337058 R08: 0000000000000000 R09: 0000000000000000
[  205.153905][ T3935] R10: ffffc90007337088 R11: ffffffff87b79160 R12: 1ffff92000e66df2
[  205.154366][ T3935] R13: 00000000000005dc R14: ffffc90007337088 R15: ffff88800ed02f08
[  205.154835][ T3935] FS:  00007f235b99c800(0000) GS:ffff8880acc37000(0000) knlGS:0000000000000000
[  205.155377][ T3935] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  205.155759][ T3935] CR2: 00000000004e5ab0 CR3: 000000000ebb2006 CR4: 0000000000772ef0
[  205.156227][ T3935] PKRU: 55555554
[  205.156458][ T3935] Call Trace:
[  205.156684][ T3935]  <TASK>
[ 205.156857][ T3935] ? __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) 
[ 205.157245][ T3935] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 205.157589][ T3935] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 205.157906][ T3935] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 205.158216][ T3935] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 205.158518][ T3935] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 205.158832][ T3935] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 205.159134][ T3935] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 205.159442][ T3935] ? ___sys_sendmsg (net/socket.c:2670) 
[ 205.159751][ T3935] ? __sys_sendmsg (net/socket.c:2700) 
[ 205.160073][ T3935] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 205.160379][ T3935] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 205.160753][ T3935] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.161085][ T3935] netif_set_mtu (net/core/dev.c:9652) 
[ 205.161393][ T3935] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 205.161711][ T3935] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 205.161958][ T3935] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 205.162385][ T3935] br_del_if (net/bridge/br_if.c:743) bridge 
[ 205.162716][ T3935] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 205.163031][ T3935] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 205.163340][ T3935] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 205.163648][ T3935] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 205.164058][ T3935] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 205.164366][ T3935] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 205.164674][ T3935] ? __kernel_text_address (kernel/extable.c:79) 
[ 205.165002][ T3935] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.165312][ T3935] ? __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) 
[ 205.165616][ T3935] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 205.165999][ T3935] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.166305][ T3935] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.166611][ T3935] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 205.166924][ T3935] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 205.167230][ T3935] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.167532][ T3935] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 205.167842][ T3935] ? __create_object (mm/kmemleak.c:771) 
[ 205.168147][ T3935] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 205.168454][ T3935] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 205.168755][ T3935] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 205.169148][ T3935] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 205.169474][ T3935] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 205.169784][ T3935] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 205.170105][ T3935] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.170417][ T3935] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.170721][ T3935] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 205.171028][ T3935] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 205.171334][ T3935] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 205.171640][ T3935] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 205.171954][ T3935] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 205.172262][ T3935] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.172574][ T3935] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 205.172894][ T3935] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 205.173198][ T3935] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 205.173515][ T3935] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 205.173831][ T3935] ? 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) 
[ 205.174146][ T3935] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 205.174455][ T3935] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 205.174763][ T3935] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.175082][ T3935] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 205.175390][ T3935] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 205.175695][ T3935] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 205.176013][ T3935] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 205.176324][ T3935] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 205.176630][ T3935] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 205.177039][ T3935] ___sys_sendmsg (net/socket.c:2670) 
[ 205.177343][ T3935] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 205.177648][ T3935] ? __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) 
[ 205.178036][ T3935] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 205.178343][ T3935] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.178656][ T3935] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.178975][ T3935] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.179279][ T3935] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 205.179579][ T3935] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 205.179915][ T3935] __sys_sendmsg (net/socket.c:2700) 
[ 205.180217][ T3935] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 205.180590][ T3935] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 205.180934][ T3935] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.181240][ T3935] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 205.181546][ T3935] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  205.181937][ T3935] RIP: 0033:0x7f235bb691e7
[ 205.182254][ T3935] 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)
[  205.183350][ T3935] RSP: 002b:00007ffc971e8fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  205.183824][ T3935] RAX: ffffffffffffffda RBX: 00007ffc971e9700 RCX: 00007f235bb691e7
[  205.184283][ T3935] RDX: 0000000000000000 RSI: 00007ffc971e9040 RDI: 0000000000000005
[  205.184737][ T3935] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  205.185215][ T3935] R10: 00007f235ba66ee8 R11: 0000000000000246 R12: 0000000000000003
[  205.185669][ T3935] R13: 00000000686e0e79 R14: 0000000000499600 R15: 0000000000000000
| [  205.416807][ T3937] ------------[ cut here ]------------
| [ 205.417144][ T3937] WARNING: CPU: 1 PID: 3937 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) 
| [  205.417757][ T3937] Modules linked in: bridge stp llc 8021q vrf veth
| [  205.418782][ T3937] Tainted: [W]=WARN
[  205.419022][ T3937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 205.419402][ T3937] 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) 
[ 205.419722][ T3937] 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
[  205.420847][ T3937] RSP: 0018:ffffc90007356f70 EFLAGS: 00010246
[  205.421234][ T3937] RAX: 0000000000000000 RBX: ffff88800ed02000 RCX: 0000000000000001
[  205.421690][ T3937] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  205.423359][ T3937] RBP: ffffc90007357058 R08: 0000000000000000 R09: 0000000000000000
[  205.423833][ T3937] R10: ffffc90007357088 R11: ffffffff87b79160 R12: 1ffff92000e6adf2
[  205.424288][ T3937] R13: 00000000000005dc R14: ffffc90007357088 R15: ffff88800ed02f08
[  205.424744][ T3937] FS:  00007effab631800(0000) GS:ffff8880acb37000(0000) knlGS:0000000000000000
[  205.425305][ T3937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  205.425691][ T3937] CR2: 00000000004e5aa8 CR3: 000000000e984005 CR4: 0000000000772ef0
[  205.426159][ T3937] PKRU: 55555554
[  205.426387][ T3937] Call Trace:
[  205.426614][ T3937]  <TASK>
[ 205.426771][ T3937] ? __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) 
[ 205.427165][ T3937] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 205.427511][ T3937] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 205.427826][ T3937] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 205.428131][ T3937] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 205.428436][ T3937] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 205.428739][ T3937] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 205.429064][ T3937] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 205.429370][ T3937] ? ___sys_sendmsg (net/socket.c:2670) 
[ 205.429678][ T3937] ? __sys_sendmsg (net/socket.c:2700) 
[ 205.429999][ T3937] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 205.430300][ T3937] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 205.430674][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.430997][ T3937] netif_set_mtu (net/core/dev.c:9652) 
[ 205.431302][ T3937] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 205.431622][ T3937] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 205.431868][ T3937] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 205.432282][ T3937] br_del_if (net/bridge/br_if.c:743) bridge 
[ 205.432615][ T3937] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 205.432938][ T3937] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 205.433248][ T3937] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 205.433555][ T3937] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 205.433946][ T3937] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 205.434253][ T3937] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 205.434555][ T3937] ? __kernel_text_address (kernel/extable.c:79) 
[ 205.434872][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.435179][ T3937] ? __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) 
[ 205.435482][ T3937] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 205.435867][ T3937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.436173][ T3937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.436476][ T3937] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 205.436784][ T3937] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 205.437106][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.437413][ T3937] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 205.437714][ T3937] ? __create_object (mm/kmemleak.c:771) 
[ 205.438045][ T3937] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 205.438353][ T3937] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 205.438659][ T3937] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 205.439050][ T3937] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 205.439361][ T3937] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 205.439670][ T3937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 205.439990][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.440304][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.440610][ T3937] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 205.440927][ T3937] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 205.441233][ T3937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 205.441544][ T3937] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 205.441856][ T3937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 205.442163][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.442472][ T3937] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 205.442778][ T3937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 205.443092][ T3937] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 205.443407][ T3937] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 205.443713][ T3937] ? 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) 
[ 205.444026][ T3937] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 205.444335][ T3937] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 205.444638][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.444967][ T3937] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 205.445275][ T3937] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 205.445579][ T3937] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 205.445902][ T3937] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 205.446206][ T3937] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 205.446508][ T3937] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 205.446905][ T3937] ___sys_sendmsg (net/socket.c:2670) 
[ 205.447207][ T3937] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 205.447508][ T3937] ? __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) 
[ 205.447895][ T3937] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 205.448207][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.448514][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.448849][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.449155][ T3937] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 205.449457][ T3937] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 205.449766][ T3937] __sys_sendmsg (net/socket.c:2700) 
[ 205.450085][ T3937] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 205.450461][ T3937] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 205.450786][ T3937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.451102][ T3937] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 205.451407][ T3937] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  205.451782][ T3937] RIP: 0033:0x7effab7fe1e7
[ 205.452105][ T3937] 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)
[  205.453213][ T3937] RSP: 002b:00007ffe2c6cd168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  205.453676][ T3937] RAX: ffffffffffffffda RBX: 00007ffe2c6cd890 RCX: 00007effab7fe1e7
[  205.454143][ T3937] RDX: 0000000000000000 RSI: 00007ffe2c6cd1d0 RDI: 0000000000000005
[  205.454600][ T3937] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  205.455069][ T3937] R10: 00007effab6fbee8 R11: 0000000000000246 R12: 0000000000000003
[  205.455524][ T3937] R13: 00000000686e0e7a R14: 0000000000499600 R15: 0000000000000000
| [  206.525540][ T3955] ------------[ cut here ]------------
| [ 206.525871][ T3955] WARNING: CPU: 1 PID: 3955 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) 
| [  206.526490][ T3955] Modules linked in: bridge stp llc 8021q vrf veth
| [  206.527518][ T3955] Tainted: [W]=WARN
[  206.527748][ T3955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 206.528136][ T3955] 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) 
[ 206.528465][ T3955] 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
[  206.529596][ T3955] RSP: 0018:ffffc900073d6ef0 EFLAGS: 00010246
[  206.530159][ T3955] RAX: 0000000000000000 RBX: ffff88800f54a000 RCX: 0000000000000001
[  206.530630][ T3955] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  206.531253][ T3955] RBP: ffffc900073d6fe0 R08: 0000000000000000 R09: 0000000000000000
[  206.531711][ T3955] R10: ffffc900073d7010 R11: ffffffff884a8918 R12: 1ffff92000e7ade2
[  206.532317][ T3955] R13: 00000000000005dc R14: ffffc900073d7010 R15: ffff88800f54af08
[  206.532801][ T3955] FS:  00007f612a665800(0000) GS:ffff8880acb37000(0000) knlGS:0000000000000000
[  206.533497][ T3955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  206.534032][ T3955] CR2: 00000000004e5aa8 CR3: 000000000e96c005 CR4: 0000000000772ef0
[  206.534498][ T3955] PKRU: 55555554
[  206.534731][ T3955] Call Trace:
[  206.535125][ T3955]  <TASK>
[ 206.535293][ T3955] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 206.535600][ T3955] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.536123][ T3955] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 206.536431][ T3955] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 206.536808][ T3955] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 206.537307][ T3955] netif_set_mtu (net/core/dev.c:9652) 
[ 206.537625][ T3955] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 206.538088][ T3955] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 206.538532][ T3955] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 206.538767][ T3955] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 206.539199][ T3955] br_add_if (net/bridge/br_if.c:697) bridge 
[ 206.539543][ T3955] do_set_master (net/core/rtnetlink.c:2948) 
[ 206.539875][ T3955] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 206.540186][ T3955] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 206.540595][ T3955] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 206.540927][ T3955] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 206.541283][ T3955] ? __kernel_text_address (kernel/extable.c:79) 
[ 206.541599][ T3955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.541921][ T3955] ? __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) 
[ 206.542231][ T3955] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 206.542609][ T3955] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 206.542931][ T3955] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 206.543238][ T3955] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 206.543540][ T3955] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 206.543868][ T3955] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.544173][ T3955] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 206.544473][ T3955] ? __create_object (mm/kmemleak.c:771) 
[ 206.544783][ T3955] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 206.545107][ T3955] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 206.545431][ T3955] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 206.545825][ T3955] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 206.546143][ T3955] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 206.546453][ T3955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 206.546755][ T3955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.547085][ T3955] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.547400][ T3955] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 206.547703][ T3955] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 206.548029][ T3955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 206.548333][ T3955] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 206.548639][ T3955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 206.548963][ T3955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.549275][ T3955] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 206.549581][ T3955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 206.549905][ T3955] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 206.550229][ T3955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 206.550534][ T3955] ? 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) 
[ 206.550854][ T3955] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 206.551165][ T3955] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 206.551469][ T3955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.551789][ T3955] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 206.552114][ T3955] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 206.552426][ T3955] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 206.552738][ T3955] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 206.553064][ T3955] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 206.553371][ T3955] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 206.553763][ T3955] ___sys_sendmsg (net/socket.c:2670) 
[ 206.554074][ T3955] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 206.554378][ T3955] ? __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) 
[ 206.554770][ T3955] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 206.555087][ T3955] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.555394][ T3955] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.555709][ T3955] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.556018][ T3955] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 206.556322][ T3955] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 206.556638][ T3955] __sys_sendmsg (net/socket.c:2700) 
[ 206.556957][ T3955] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 206.557350][ T3955] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 206.557678][ T3955] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 206.557994][ T3955] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 206.558314][ T3955] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  206.558704][ T3955] RIP: 0033:0x7f612a8321e7
[ 206.559033][ T3955] 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)
[  206.560167][ T3955] RSP: 002b:00007fff7fc20fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  206.560632][ T3955] RAX: ffffffffffffffda RBX: 00007fff7fc216f0 RCX: 00007f612a8321e7
[  206.561106][ T3955] RDX: 0000000000000000 RSI: 00007fff7fc21030 RDI: 0000000000000005
[  206.561571][ T3955] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  206.562035][ T3955] R10: 000000003b9d5910 R11: 0000000000000246 R12: 0000000000000004
[  206.562500][ T3955] R13: 00000000686e0e7b R14: 0000000000499600 R15: 0000000000000000
| [  207.168909][ T3960] ------------[ cut here ]------------
| [ 207.169233][ T3960] WARNING: CPU: 2 PID: 3960 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) 
| [  207.169877][ T3960] Modules linked in: bridge stp llc 8021q vrf veth
| [  207.170934][ T3960] Tainted: [W]=WARN
[  207.171178][ T3960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 207.171570][ T3960] 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) 
[ 207.171911][ T3960] 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
[  207.173065][ T3960] RSP: 0018:ffffc90007426ef0 EFLAGS: 00010246
[  207.173470][ T3960] RAX: 0000000000000000 RBX: ffff88800f54a000 RCX: 0000000000000001
[  207.173951][ T3960] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  207.174430][ T3960] RBP: ffffc90007426fe0 R08: 0000000000000000 R09: 0000000000000000
[  207.174913][ T3960] R10: ffffc90007427010 R11: ffffffff884a8918 R12: 1ffff92000e84de2
[  207.175382][ T3960] R13: 00000000000005dc R14: ffffc90007427010 R15: ffff88800f54af08
[  207.175859][ T3960] FS:  00007f3ff7ffb800(0000) GS:ffff8880acbb7000(0000) knlGS:0000000000000000
[  207.176409][ T3960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  207.176805][ T3960] CR2: 00000000004e5ab0 CR3: 000000000f312006 CR4: 0000000000772ef0
[  207.177289][ T3960] PKRU: 55555554
[  207.177530][ T3960] Call Trace:
[  207.177776][ T3960]  <TASK>
[ 207.177959][ T3960] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 207.178288][ T3960] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 207.178611][ T3960] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 207.178936][ T3960] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 207.179331][ T3960] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 207.179664][ T3960] netif_set_mtu (net/core/dev.c:9652) 
[ 207.180031][ T3960] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 207.180375][ T3960] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 207.180826][ T3960] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 207.181076][ T3960] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 207.181503][ T3960] br_add_if (net/bridge/br_if.c:697) bridge 
[ 207.181871][ T3960] do_set_master (net/core/rtnetlink.c:2948) 
[ 207.182195][ T3960] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 207.182520][ T3960] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 207.182946][ T3960] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 207.183266][ T3960] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 207.183581][ T3960] ? __kernel_text_address (kernel/extable.c:79) 
[ 207.183913][ T3960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 207.184235][ T3960] ? __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) 
[ 207.184554][ T3960] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 207.184956][ T3960] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 207.185303][ T3960] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 207.185617][ T3960] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 207.185947][ T3960] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 207.186264][ T3960] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 207.186582][ T3960] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 207.186908][ T3960] ? __create_object (mm/kmemleak.c:771) 
[ 207.187228][ T3960] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 207.187545][ T3960] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 207.187877][ T3960] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 207.188267][ T3960] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 207.188593][ T3960] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 207.188926][ T3960] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 207.189246][ T3960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 207.189568][ T3960] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 207.189904][ T3960] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 207.190223][ T3960] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 207.190543][ T3960] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 207.190871][ T3960] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 207.191188][ T3960] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 207.191510][ T3960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 207.191839][ T3960] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 207.192164][ T3960] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 207.192480][ T3960] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 207.192839][ T3960] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 207.193155][ T3960] ? 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) 
[ 207.193474][ T3960] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 207.193792][ T3960] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 207.194117][ T3960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 207.194439][ T3960] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 207.194762][ T3960] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 207.195091][ T3960] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 207.195421][ T3960] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 207.195744][ T3960] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 207.196071][ T3960] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 207.196476][ T3960] ___sys_sendmsg (net/socket.c:2670) 
[ 207.196791][ T3960] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 207.197116][ T3960] ? __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) 
[ 207.197511][ T3960] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 207.197839][ T3960] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 207.198162][ T3960] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 207.198482][ T3960] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 207.198799][ T3960] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 207.199126][ T3960] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 207.199451][ T3960] __sys_sendmsg (net/socket.c:2700) 
[ 207.199775][ T3960] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 207.200186][ T3960] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 207.200515][ T3960] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 207.201291][ T3960] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 207.201628][ T3960] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  207.202036][ T3960] RIP: 0033:0x7f3ff81c81e7
[ 207.202367][ T3960] 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)
[  207.203499][ T3960] RSP: 002b:00007ffdeb3c3e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  207.203983][ T3960] RAX: ffffffffffffffda RBX: 00007ffdeb3c45b0 RCX: 00007f3ff81c81e7
[  207.204454][ T3960] RDX: 0000000000000000 RSI: 00007ffdeb3c3ef0 RDI: 0000000000000005
[  207.204937][ T3960] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  207.205509][ T3960] R10: 0000000010b7a910 R11: 0000000000000246 R12: 0000000000000004
[  207.205994][ T3960] R13: 00000000686e0e7b R14: 0000000000499600 R15: 0000000000000000
| [  395.205737][ T7811] ------------[ cut here ]------------
| [ 395.206096][ T7811] WARNING: CPU: 0 PID: 7811 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) 
| [  395.206729][ T7811] Modules linked in: bridge stp llc 8021q vrf veth
| [  395.207809][ T7811] Tainted: [W]=WARN
[  395.208075][ T7811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 395.208476][ T7811] 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) 
[ 395.208805][ T7811] 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
[  395.209964][ T7811] RSP: 0018:ffffc90008de6f70 EFLAGS: 00010246
[  395.210389][ T7811] RAX: 0000000000000000 RBX: ffff88800f54a000 RCX: 0000000000000001
[  395.210879][ T7811] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  395.211357][ T7811] RBP: ffffc90008de7058 R08: 0000000000000000 R09: 0000000000000000
[  395.211854][ T7811] R10: ffffc90008de7088 R11: ffffffff87b79160 R12: 1ffff920011bcdf2
[  395.212340][ T7811] R13: 00000000000005dc R14: ffffc90008de7088 R15: ffff88800f54af08
[  395.212826][ T7811] FS:  00007f4096212800(0000) GS:ffff8880acab7000(0000) knlGS:0000000000000000
[  395.213386][ T7811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  395.213791][ T7811] CR2: 00000000004e5ab0 CR3: 000000000f098003 CR4: 0000000000772ef0
[  395.214277][ T7811] PKRU: 55555554
[  395.214519][ T7811] Call Trace:
[  395.214756][ T7811]  <TASK>
[ 395.214926][ T7811] ? __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) 
[ 395.215329][ T7811] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 395.215708][ T7811] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.216041][ T7811] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.216359][ T7811] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 395.216675][ T7811] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.217003][ T7811] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.217327][ T7811] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.217653][ T7811] ? ___sys_sendmsg (net/socket.c:2670) 
[ 395.217979][ T7811] ? __sys_sendmsg (net/socket.c:2700) 
[ 395.218295][ T7811] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.218626][ T7811] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 395.219033][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.219359][ T7811] netif_set_mtu (net/core/dev.c:9652) 
[ 395.219679][ T7811] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 395.220020][ T7811] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 395.220276][ T7811] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 395.220705][ T7811] br_del_if (net/bridge/br_if.c:743) bridge 
[ 395.221074][ T7811] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 395.221397][ T7811] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.221723][ T7811] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.222054][ T7811] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 395.222462][ T7811] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 395.222779][ T7811] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 395.223104][ T7811] ? __kernel_text_address (kernel/extable.c:79) 
[ 395.223439][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.223764][ T7811] ? __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) 
[ 395.224091][ T7811] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 395.224488][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.224821][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.225140][ T7811] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 395.225459][ T7811] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 395.225783][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.226120][ T7811] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 395.226438][ T7811] ? __create_object (mm/kmemleak.c:771) 
[ 395.226760][ T7811] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 395.227110][ T7811] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 395.227437][ T7811] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 395.227841][ T7811] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 395.228168][ T7811] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 395.228501][ T7811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.228835][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.229161][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.229492][ T7811] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 395.229794][ T7811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.230160][ T7811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.230481][ T7811] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 395.230804][ T7811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.231140][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.231464][ T7811] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 395.231782][ T7811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.232110][ T7811] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 395.232441][ T7811] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 395.232758][ T7811] ? 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) 
[ 395.233088][ T7811] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.233417][ T7811] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 395.233735][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.234068][ T7811] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.234390][ T7811] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 395.234709][ T7811] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 395.235047][ T7811] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.235373][ T7811] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 395.235695][ T7811] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 395.236113][ T7811] ___sys_sendmsg (net/socket.c:2670) 
[ 395.236428][ T7811] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 395.236747][ T7811] ? __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) 
[ 395.237157][ T7811] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 395.237479][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.237800][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.238140][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.238458][ T7811] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 395.238776][ T7811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.239110][ T7811] __sys_sendmsg (net/socket.c:2700) 
[ 395.239427][ T7811] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 395.239835][ T7811] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 395.240176][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.240498][ T7811] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.240838][ T7811] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  395.241235][ T7811] RIP: 0033:0x7f40963df1e7
[ 395.241567][ T7811] 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)
[  395.242702][ T7811] RSP: 002b:00007fffb9c65fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  395.243200][ T7811] RAX: ffffffffffffffda RBX: 00007fffb9c666f0 RCX: 00007f40963df1e7
[  395.243683][ T7811] RDX: 0000000000000000 RSI: 00007fffb9c66030 RDI: 0000000000000005
[  395.244168][ T7811] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  395.244648][ T7811] R10: 00007f40962dcee8 R11: 0000000000000246 R12: 0000000000000003
[  395.245143][ T7811] R13: 00000000686e0f37 R14: 0000000000499600 R15: 0000000000000000
| [  395.507757][ T7814] ------------[ cut here ]------------
| [ 395.508105][ T7814] WARNING: CPU: 1 PID: 7814 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) 
| [  395.508721][ T7814] Modules linked in: bridge stp llc 8021q vrf veth
| [  395.509820][ T7814] Tainted: [W]=WARN
[  395.510074][ T7814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 395.510464][ T7814] 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) 
[ 395.510784][ T7814] 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
[  395.511909][ T7814] RSP: 0018:ffffc90008dd6f70 EFLAGS: 00010246
[  395.512306][ T7814] RAX: 0000000000000000 RBX: ffff88800f54a000 RCX: 0000000000000001
[  395.512768][ T7814] RDX: 0000000000000000 RSI: ffffffff8769b941 RDI: ffffffff86e555e0
[  395.513413][ T7814] RBP: ffffc90008dd7058 R08: 0000000000000000 R09: 0000000000000000
[  395.513963][ T7814] R10: ffffc90008dd7088 R11: ffffffff87b79160 R12: 1ffff920011badf2
[  395.514419][ T7814] R13: 00000000000005dc R14: ffffc90008dd7088 R15: ffff88800f54af08
[  395.514892][ T7814] FS:  00007f30d68a5800(0000) GS:ffff8880acb37000(0000) knlGS:0000000000000000
[  395.515434][ T7814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  395.515827][ T7814] CR2: 00007fe0678ec658 CR3: 0000000004c4a002 CR4: 0000000000772ef0
[  395.516290][ T7814] PKRU: 55555554
[  395.516520][ T7814] Call Trace:
[  395.516754][ T7814]  <TASK>
[ 395.516921][ T7814] ? __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) 
[ 395.517332][ T7814] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 395.517680][ T7814] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.517999][ T7814] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.518307][ T7814] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 395.518612][ T7814] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.518935][ T7814] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.519240][ T7814] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.519549][ T7814] ? ___sys_sendmsg (net/socket.c:2670) 
[ 395.519864][ T7814] ? __sys_sendmsg (net/socket.c:2700) 
[ 395.520199][ T7814] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.520514][ T7814] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 395.520906][ T7814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.521228][ T7814] netif_set_mtu (net/core/dev.c:9652) 
[ 395.521536][ T7814] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 395.521874][ T7814] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 395.522115][ T7814] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 395.522538][ T7814] br_del_if (net/bridge/br_if.c:743) bridge 
[ 395.522890][ T7814] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 395.523199][ T7814] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.523513][ T7814] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.523832][ T7814] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 395.524219][ T7814] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 395.524523][ T7814] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 395.524839][ T7814] ? __kernel_text_address (kernel/extable.c:79) 
[ 395.525158][ T7814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.525467][ T7814] ? __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) 
[ 395.525775][ T7814] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 395.526163][ T7814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.526468][ T7814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.526769][ T7814] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 395.527084][ T7814] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 395.527398][ T7814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.527706][ T7814] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 395.528019][ T7814] ? __create_object (mm/kmemleak.c:771) 
[ 395.528326][ T7814] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 395.528634][ T7814] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 395.528951][ T7814] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 395.529330][ T7814] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 395.529651][ T7814] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 395.529973][ T7814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.530295][ T7814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.530607][ T7814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.530925][ T7814] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 395.531230][ T7814] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.531541][ T7814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.531856][ T7814] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 395.532172][ T7814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.532481][ T7814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.532795][ T7814] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 395.533112][ T7814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.533418][ T7814] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 395.533737][ T7814] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 395.534055][ T7814] ? 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) 
[ 395.534368][ T7814] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.534676][ T7814] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 395.534992][ T7814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.535303][ T7814] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.535610][ T7814] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 395.535925][ T7814] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 395.536236][ T7814] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.536545][ T7814] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 395.536867][ T7814] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 395.537259][ T7814] ___sys_sendmsg (net/socket.c:2670) 
[ 395.537567][ T7814] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 395.537885][ T7814] ? __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) 
[ 395.538271][ T7814] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 395.538577][ T7814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.538900][ T7814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.539216][ T7814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.539519][ T7814] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 395.539833][ T7814] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.540164][ T7814] __sys_sendmsg (net/socket.c:2700) 
[ 395.540466][ T7814] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 395.540857][ T7814] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 395.541175][ T7814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.541489][ T7814] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.541793][ T7814] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  395.542186][ T7814] RIP: 0033:0x7f30d6a721e7
[ 395.542503][ T7814] 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)
[  395.543604][ T7814] RSP: 002b:00007fff4cf81be8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  395.544075][ T7814] RAX: ffffffffffffffda RBX: 00007fff4cf82310 RCX: 00007f30d6a721e7
[  395.544536][ T7814] RDX: 0000000000000000 RSI: 00007fff4cf81c50 RDI: 0000000000000005
[  395.545001][ T7814] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  395.545468][ T7814] R10: 00007f30d696fee8 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