======================================
| [   79.056365][  T628] veth1: entered promiscuous mode
| [   79.058643][  T628] ------------[ cut here ]------------
| [ 79.059003][ T628] WARNING: CPU: 2 PID: 628 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   79.059686][  T628] Modules linked in: bridge stp llc vrf macvlan veth
[   79.060956][  T628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.061370][ T628] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 79.061813][ T628] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   79.062974][  T628] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   79.063399][  T628] RAX: 0000000000000000 RBX: ffff888004f8a000 RCX: 0000000000000001
[   79.063907][  T628] RDX: 0000000000000000 RSI: ffffffffb5a9b941 RDI: ffffffffb52555e0
[   79.064401][  T628] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   79.064888][  T628] R10: ffffc900005d7010 R11: ffffffffb68a8918 R12: 1ffff920000bade2
[   79.065373][  T628] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff888004f8af08
[   79.065875][  T628] FS:  00007efd9eb73800(0000) GS:ffff88807e7b7000(0000) knlGS:0000000000000000
[   79.066454][  T628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.066908][  T628] CR2: 00000000004e5aa8 CR3: 0000000014261002 CR4: 0000000000772ef0
[   79.067409][  T628] PKRU: 55555554
[   79.067675][  T628] Call Trace:
[   79.067931][  T628]  <TASK>
[ 79.068109][ T628] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 79.068458][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.068823][ T628] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 79.069156][ T628] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 79.069586][ T628] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 79.069933][ T628] netif_set_mtu (net/core/dev.c:9652) 
[ 79.070271][ T628] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 79.070639][ T628] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 79.071109][ T628] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 79.071372][ T628] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 79.071831][ T628] br_add_if (net/bridge/br_if.c:697) bridge 
[ 79.072200][ T628] do_set_master (net/core/rtnetlink.c:2948) 
[ 79.072523][ T628] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 79.072872][ T628] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 79.073277][ T628] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 79.073613][ T628] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 79.073929][ T628] ? __kernel_text_address (kernel/extable.c:79) 
[ 79.074270][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.074603][ T628] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 79.074926][ T628] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 79.075316][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.075645][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.076034][ T628] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 79.076353][ T628] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 79.076686][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.077004][ T628] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 79.077319][ T628] ? __create_object (mm/kmemleak.c:771) 
[ 79.077656][ T628] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 79.077976][ T628] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 79.078310][ T628] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 79.078712][ T628] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 79.079040][ T628] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 79.079363][ T628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 79.079687][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.080063][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.080393][ T628] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 79.080806][ T628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 79.081173][ T628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 79.081496][ T628] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 79.081853][ T628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 79.082177][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.082514][ T628] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 79.082865][ T628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 79.083198][ T628] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 79.083550][ T628] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 79.083932][ T628] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 79.084276][ T628] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 79.084625][ T628] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 79.084958][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.085294][ T628] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 79.085639][ T628] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 79.085981][ T628] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 79.086330][ T628] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 79.086688][ T628] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 79.087019][ T628] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 79.087443][ T628] ___sys_sendmsg (net/socket.c:2670) 
[ 79.087828][ T628] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 79.088174][ T628] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 79.088606][ T628] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 79.088948][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.089288][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.089638][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.089984][ T628] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 79.090327][ T628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 79.090699][ T628] __sys_sendmsg (net/socket.c:2700) 
[ 79.091047][ T628] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 79.091468][ T628] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 79.091893][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.092241][ T628] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 79.092593][ T628] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   79.093022][  T628] RIP: 0033:0x7efd9ed401e7
[ 79.093371][ T628] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   79.094546][  T628] RSP: 002b:00007fff85a51358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   79.095082][  T628] RAX: ffffffffffffffda RBX: 00007fff85a51a80 RCX: 00007efd9ed401e7
[   79.095592][  T628] RDX: 0000000000000000 RSI: 00007fff85a513c0 RDI: 0000000000000005
[   79.096149][  T628] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   79.096655][  T628] R10: 000000000ecd1910 R11: 0000000000000246 R12: 0000000000000003
[   79.097152][  T628] R13: 00000000686e37b7 R14: 0000000000499600 R15: 0000000000000000
| [  121.612398][  T846] ------------[ cut here ]------------
| [ 121.612970][ T846] WARNING: CPU: 3 PID: 846 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) 
| [  121.614064][  T846] Modules linked in: bridge stp llc vrf macvlan veth
| [  121.615908][  T846] Tainted: [W]=WARN
[  121.616337][  T846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.617004][ T846] 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) 
[ 121.617549][ T846] 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
[  121.619447][  T846] RSP: 0000:ffffc90000756ef0 EFLAGS: 00010246
[  121.620141][  T846] RAX: 0000000000000000 RBX: ffff88800b502000 RCX: 0000000000000001
[  121.620987][  T846] RDX: 0000000000000000 RSI: ffffffffb5a9b941 RDI: ffffffffb52555e0
[  121.621827][  T846] RBP: ffffc90000756fe0 R08: 0000000000000000 R09: 0000000000000000
[  121.622629][  T846] R10: ffffc90000757010 R11: ffffffffb68a8918 R12: 1ffff920000eade2
[  121.623437][  T846] R13: 00000000000005dc R14: ffffc90000757010 R15: ffff88800b502f08
[  121.624276][  T846] FS:  00007fe21006d800(0000) GS:ffff88807e837000(0000) knlGS:0000000000000000
[  121.625290][  T846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.625968][  T846] CR2: 0000000000406141 CR3: 0000000015d56001 CR4: 0000000000772ef0
[  121.626808][  T846] PKRU: 55555554
[  121.627230][  T846] Call Trace:
[  121.627651][  T846]  <TASK>
[ 121.627939][ T846] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.628503][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.629097][ T846] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.629665][ T846] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.630357][ T846] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.630903][ T846] netif_set_mtu (net/core/dev.c:9652) 
[ 121.631438][ T846] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.632020][ T846] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.632815][ T846] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.633235][ T846] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.636016][ T846] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.637026][ T846] do_set_master (net/core/rtnetlink.c:2948) 
[ 121.637598][ T846] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 121.638131][ T846] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 121.638839][ T846] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 121.639364][ T846] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 121.639909][ T846] ? __kernel_text_address (kernel/extable.c:79) 
[ 121.640487][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.641057][ T846] ? __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) 
[ 121.641605][ T846] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 121.642273][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.642826][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.643322][ T846] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 121.643937][ T846] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 121.644490][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.645052][ T846] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.645608][ T846] ? __create_object (mm/kmemleak.c:771) 
[ 121.646167][ T846] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 121.647213][ T846] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 121.647791][ T846] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 121.648462][ T846] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 121.649040][ T846] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.649622][ T846] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.650168][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.651179][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.651743][ T846] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.652285][ T846] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.652856][ T846] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.653402][ T846] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.653933][ T846] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.654480][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.655012][ T846] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.655435][ T846] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.656828][ T846] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.657343][ T846] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.657851][ T846] ? 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) 
[ 121.658383][ T846] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 121.659369][ T846] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.659925][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.660489][ T846] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.661056][ T846] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.661823][ T846] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.662170][ T846] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.662501][ T846] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.662841][ T846] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.663477][ T846] ___sys_sendmsg (net/socket.c:2670) 
[ 121.663860][ T846] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 121.664427][ T846] ? __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) 
[ 121.665161][ T846] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.666187][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.666757][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.667338][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.667911][ T846] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 121.668473][ T846] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.668828][ T846] __sys_sendmsg (net/socket.c:2700) 
[ 121.669155][ T846] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 121.669562][ T846] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.669928][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.670249][ T846] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.670605][ T846] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.671021][  T846] RIP: 0033:0x7fe21023a1e7
[ 121.671355][ T846] 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)
[  121.673576][  T846] RSP: 002b:00007ffc6bb27388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.674465][  T846] RAX: ffffffffffffffda RBX: 00007ffc6bb27ab0 RCX: 00007fe21023a1e7
[  121.675336][  T846] RDX: 0000000000000000 RSI: 00007ffc6bb273f0 RDI: 0000000000000005
[  121.676198][  T846] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  121.677053][  T846] R10: 0000000027a45910 R11: 0000000000000246 R12: 0000000000000003
[  121.678357][  T846] R13: 00000000686e37e2 R14: 0000000000499600 R15: 0000000000000000
| [  223.469233][ T1427] ------------[ cut here ]------------
| [ 223.469586][ T1427] WARNING: CPU: 2 PID: 1427 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) 
| [  223.470215][ T1427] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  223.472614][ T1427] Tainted: [W]=WARN
[  223.472859][ T1427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 223.473257][ T1427] 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) 
[ 223.473638][ T1427] 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
[  223.474843][ T1427] RSP: 0018:ffffc90000fa6ef0 EFLAGS: 00010246
[  223.475255][ T1427] RAX: 0000000000000000 RBX: ffff88800b502000 RCX: 0000000000000001
[  223.475742][ T1427] RDX: 0000000000000000 RSI: ffffffffb5a9b941 RDI: ffffffffb52555e0
[  223.476250][ T1427] RBP: ffffc90000fa6fe0 R08: 0000000000000000 R09: 0000000000000000
[  223.476743][ T1427] R10: ffffc90000fa7010 R11: ffffffffb68a8918 R12: 1ffff920001f4de2
[  223.477215][ T1427] R13: 00000000000005dc R14: ffffc90000fa7010 R15: ffff88800b502f08
[  223.477699][ T1427] FS:  00007ff552d6f800(0000) GS:ffff88807e7b7000(0000) knlGS:0000000000000000
[  223.478287][ T1427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  223.478714][ T1427] CR2: 00007f5c010177b0 CR3: 000000000b5c8004 CR4: 0000000000772ef0
[  223.479260][ T1427] PKRU: 55555554
[  223.479509][ T1427] Call Trace:
[  223.479767][ T1427]  <TASK>
[ 223.479939][ T1427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 223.480288][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.480713][ T1427] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 223.481047][ T1427] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 223.481467][ T1427] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 223.481809][ T1427] netif_set_mtu (net/core/dev.c:9652) 
[ 223.482135][ T1427] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 223.482469][ T1427] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 223.482934][ T1427] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 223.483211][ T1427] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 223.483672][ T1427] br_add_if (net/bridge/br_if.c:697) bridge 
[ 223.484045][ T1427] ? cycle_netdev (drivers/net/vrf.c:1055) vrf 
[ 223.484370][ T1427] do_set_master (net/core/rtnetlink.c:2948) 
[ 223.484714][ T1427] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 223.485059][ T1427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 223.485463][ T1427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 223.485844][ T1427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 223.486168][ T1427] ? __kernel_text_address (kernel/extable.c:79) 
[ 223.486494][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.486834][ T1427] ? __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) 
[ 223.487186][ T1427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 223.487592][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.487919][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.488238][ T1427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 223.488579][ T1427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 223.488904][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.489223][ T1427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 223.489541][ T1427] ? __create_object (mm/kmemleak.c:771) 
[ 223.489876][ T1427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 223.490204][ T1427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 223.490523][ T1427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 223.490964][ T1427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 223.491292][ T1427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 223.491627][ T1427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 223.491948][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.492277][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.492607][ T1427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 223.492928][ T1427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 223.493339][ T1427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 223.493680][ T1427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 223.494003][ T1427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 223.494326][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.494662][ T1427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 223.494985][ T1427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 223.495328][ T1427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 223.495698][ T1427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 223.496026][ T1427] ? 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) 
[ 223.496351][ T1427] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 223.496733][ T1427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 223.497055][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.497382][ T1427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 223.497717][ T1427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 223.498066][ T1427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 223.498404][ T1427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 223.498908][ T1427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 223.499270][ T1427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 223.499691][ T1427] ___sys_sendmsg (net/socket.c:2670) 
[ 223.500014][ T1427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 223.500359][ T1427] ? __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) 
[ 223.500905][ T1427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 223.501266][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.501610][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.501939][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.502260][ T1427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 223.502592][ T1427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 223.502923][ T1427] __sys_sendmsg (net/socket.c:2700) 
[ 223.503242][ T1427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 223.503651][ T1427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 223.503993][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.504315][ T1427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 223.504653][ T1427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  223.505049][ T1427] RIP: 0033:0x7ff552f3c1e7
[ 223.505380][ T1427] 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)
[  223.506517][ T1427] RSP: 002b:00007ffe8a44af58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  223.507017][ T1427] RAX: ffffffffffffffda RBX: 00007ffe8a44b680 RCX: 00007ff552f3c1e7
[  223.507491][ T1427] RDX: 0000000000000000 RSI: 00007ffe8a44afc0 RDI: 0000000000000005
[  223.507979][ T1427] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  223.508467][ T1427] R10: 0000000030b21910 R11: 0000000000000246 R12: 0000000000000003
[  223.508978][ T1427] R13: 00000000686e3848 R14: 0000000000499600 R15: 0000000000000000
| [  279.604071][ T1762] ------------[ cut here ]------------
| [ 279.604427][ T1762] WARNING: CPU: 0 PID: 1762 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) 
| [  279.605144][ T1762] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  279.606411][ T1762] Tainted: [W]=WARN
[  279.606682][ T1762] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 279.607123][ T1762] 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) 
[ 279.607483][ T1762] 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
[  279.608694][ T1762] RSP: 0018:ffffc90001a66ef0 EFLAGS: 00010246
[  279.609128][ T1762] RAX: 0000000000000000 RBX: ffff88800b502000 RCX: 0000000000000001
[  279.609645][ T1762] RDX: 0000000000000000 RSI: ffffffffb5a9b941 RDI: ffffffffb52555e0
[  279.610153][ T1762] RBP: ffffc90001a66fe0 R08: 0000000000000000 R09: 0000000000000000
[  279.610680][ T1762] R10: ffffc90001a67010 R11: ffffffffb68a8918 R12: 1ffff9200034cde2
[  279.611191][ T1762] R13: 00000000000005dc R14: ffffc90001a67010 R15: ffff88800b502f08
[  279.611710][ T1762] FS:  00007f86a7f0d800(0000) GS:ffff88807e6b7000(0000) knlGS:0000000000000000
[  279.612297][ T1762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  279.612732][ T1762] CR2: 00000000004e5aa8 CR3: 0000000009dd6001 CR4: 0000000000772ef0
[  279.613243][ T1762] PKRU: 55555554
[  279.613504][ T1762] Call Trace:
[  279.613770][ T1762]  <TASK>
[ 279.613948][ T1762] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 279.614290][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 279.614668][ T1762] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 279.615010][ T1762] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 279.615447][ T1762] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 279.615797][ T1762] netif_set_mtu (net/core/dev.c:9652) 
[ 279.616143][ T1762] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 279.616494][ T1762] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 279.617059][ T1762] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 279.617323][ T1762] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 279.617806][ T1762] br_add_if (net/bridge/br_if.c:697) bridge 
[ 279.618194][ T1762] ? cycle_netdev (drivers/net/vrf.c:1055) vrf 
[ 279.618553][ T1762] do_set_master (net/core/rtnetlink.c:2948) 
[ 279.618928][ T1762] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 279.619277][ T1762] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 279.619728][ T1762] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 279.620082][ T1762] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 279.620426][ T1762] ? __kernel_text_address (kernel/extable.c:79) 
[ 279.620811][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 279.621156][ T1762] ? __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) 
[ 279.621517][ T1762] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 279.621968][ T1762] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 279.622313][ T1762] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 279.622676][ T1762] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 279.623019][ T1762] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 279.623363][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 279.623711][ T1762] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 279.624069][ T1762] ? __create_object (mm/kmemleak.c:771) 
[ 279.624423][ T1762] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 279.624782][ T1762] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 279.625156][ T1762] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 279.625597][ T1762] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 279.625957][ T1762] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 279.626319][ T1762] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 279.626678][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 279.627136][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 279.627608][ T1762] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 279.628060][ T1762] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 279.628475][ T1762] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 279.628854][ T1762] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 279.629208][ T1762] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 279.629551][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 279.629937][ T1762] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 279.630298][ T1762] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 279.630670][ T1762] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 279.631115][ T1762] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 279.631514][ T1762] ? 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) 
[ 279.631873][ T1762] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 279.632231][ T1762] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 279.632583][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 279.632928][ T1762] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 279.633269][ T1762] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 279.633616][ T1762] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 279.633973][ T1762] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 279.634343][ T1762] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 279.634695][ T1762] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 279.635139][ T1762] ___sys_sendmsg (net/socket.c:2670) 
[ 279.635486][ T1762] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 279.635843][ T1762] ? __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) 
[ 279.636274][ T1762] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 279.636632][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 279.636976][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 279.637320][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 279.637673][ T1762] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 279.638048][ T1762] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 279.638397][ T1762] __sys_sendmsg (net/socket.c:2700) 
[ 279.638762][ T1762] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 279.639191][ T1762] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 279.639547][ T1762] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 279.639912][ T1762] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 279.640264][ T1762] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  279.640734][ T1762] RIP: 0033:0x7f86a80da1e7
[ 279.641087][ T1762] 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)
[  279.642875][ T1762] RSP: 002b:00007ffd45c2a268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  279.643765][ T1762] RAX: ffffffffffffffda RBX: 00007ffd45c2a990 RCX: 00007f86a80da1e7
[  279.644416][ T1762] RDX: 0000000000000000 RSI: 00007ffd45c2a2d0 RDI: 0000000000000005
[  279.645034][ T1762] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  279.645762][ T1762] R10: 0000000012770910 R11: 0000000000000246 R12: 0000000000000003
[  279.646632][ T1762] R13: 00000000686e3880 R14: 0000000000499600 R15: 0000000000000000
| [  332.526765][ T2069] ------------[ cut here ]------------
| [ 332.527102][ T2069] WARNING: CPU: 2 PID: 2069 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) 
| [  332.527753][ T2069] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  332.528925][ T2069] Tainted: [W]=WARN
[  332.529172][ T2069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 332.529560][ T2069] 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) 
[ 332.529950][ T2069] 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
[  332.532717][ T2069] RSP: 0018:ffffc90002286ef0 EFLAGS: 00010246
[  332.533687][ T2069] RAX: 0000000000000000 RBX: ffff888004f8a000 RCX: 0000000000000001
[  332.534553][ T2069] RDX: 0000000000000000 RSI: ffffffffb5a9b941 RDI: ffffffffb52555e0
[  332.535426][ T2069] RBP: ffffc90002286fe0 R08: 0000000000000000 R09: 0000000000000000
[  332.536326][ T2069] R10: ffffc90002287010 R11: ffffffffb68a8918 R12: 1ffff92000450de2
[  332.537252][ T2069] R13: 00000000000005dc R14: ffffc90002287010 R15: ffff888004f8af08
[  332.538152][ T2069] FS:  00007f3eab9a8800(0000) GS:ffff88807e7b7000(0000) knlGS:0000000000000000
[  332.539173][ T2069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  332.539925][ T2069] CR2: 00000000004e5aa8 CR3: 0000000015d63003 CR4: 0000000000772ef0
[  332.540836][ T2069] PKRU: 55555554
[  332.541110][ T2069] Call Trace:
[  332.541354][ T2069]  <TASK>
[ 332.541526][ T2069] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 332.541863][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 332.542189][ T2069] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 332.542507][ T2069] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 332.542920][ T2069] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 332.543241][ T2069] netif_set_mtu (net/core/dev.c:9652) 
[ 332.543575][ T2069] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 332.543909][ T2069] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 332.544358][ T2069] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 332.544617][ T2069] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 332.545075][ T2069] br_add_if (net/bridge/br_if.c:697) bridge 
[ 332.545450][ T2069] do_set_master (net/core/rtnetlink.c:2948) 
[ 332.545792][ T2069] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 332.546119][ T2069] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 332.546519][ T2069] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 332.546852][ T2069] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 332.547199][ T2069] ? __kernel_text_address (kernel/extable.c:79) 
[ 332.547533][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 332.547961][ T2069] ? __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) 
[ 332.548303][ T2069] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 332.548707][ T2069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 332.549032][ T2069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 332.549347][ T2069] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 332.549701][ T2069] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 332.550045][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 332.550385][ T2069] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 332.550708][ T2069] ? __create_object (mm/kmemleak.c:771) 
[ 332.551055][ T2069] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 332.551374][ T2069] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 332.551706][ T2069] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 332.552131][ T2069] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 332.552489][ T2069] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 332.552847][ T2069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 332.553167][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 332.553491][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 332.553851][ T2069] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 332.554194][ T2069] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 332.554519][ T2069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 332.554887][ T2069] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 332.555212][ T2069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 332.555587][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 332.555950][ T2069] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 332.556273][ T2069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 332.556641][ T2069] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 332.556981][ T2069] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 332.557298][ T2069] ? 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) 
[ 332.557679][ T2069] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 332.558037][ T2069] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 332.558353][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 332.558719][ T2069] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 332.559052][ T2069] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 332.559397][ T2069] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 332.559771][ T2069] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 332.560098][ T2069] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 332.560439][ T2069] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 332.560877][ T2069] ___sys_sendmsg (net/socket.c:2670) 
[ 332.561211][ T2069] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 332.561553][ T2069] ? __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) 
[ 332.562010][ T2069] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 332.562377][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 332.562727][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 332.563101][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 332.563420][ T2069] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 332.563769][ T2069] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 332.564140][ T2069] __sys_sendmsg (net/socket.c:2700) 
[ 332.564504][ T2069] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 332.564923][ T2069] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 332.565268][ T2069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 332.565604][ T2069] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 332.565935][ T2069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  332.566347][ T2069] RIP: 0033:0x7f3eabb751e7
[ 332.566701][ T2069] 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)
[  332.567922][ T2069] RSP: 002b:00007fff0f657cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  332.568457][ T2069] RAX: ffffffffffffffda RBX: 00007fff0f658420 RCX: 00007f3eabb751e7
[  332.568940][ T2069] RDX: 0000000000000000 RSI: 00007fff0f657d60 RDI: 0000000000000005
[  332.569417][ T2069] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  332.569902][ T2069] R10: 0000000032a2a910 R11: 0000000000000246 R12: 0000000000000003
[  332.570403][ T2069] R13: 00000000686e38b5 R14: 0000000000499600 R15: 0000000000000000
| [  376.129814][ T2293] ------------[ cut here ]------------
| [ 376.130148][ T2293] WARNING: CPU: 1 PID: 2293 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) 
| [  376.132175][ T2293] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  376.133361][ T2293] Tainted: [W]=WARN
[  376.133623][ T2293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 376.134033][ T2293] 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) 
[ 376.134370][ T2293] 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
[  376.135530][ T2293] RSP: 0018:ffffc90002856ef0 EFLAGS: 00010246
[  376.135956][ T2293] RAX: 0000000000000000 RBX: ffff88800b502000 RCX: 0000000000000001
[  376.136443][ T2293] RDX: 0000000000000000 RSI: ffffffffb5a9b941 RDI: ffffffffb52555e0
[  376.136943][ T2293] RBP: ffffc90002856fe0 R08: 0000000000000000 R09: 0000000000000000
[  376.137438][ T2293] R10: ffffc90002857010 R11: ffffffffb68a8918 R12: 1ffff9200050ade2
[  376.137944][ T2293] R13: 00000000000005dc R14: ffffc90002857010 R15: ffff88800b502f08
[  376.138428][ T2293] FS:  00007fb8ab0a4800(0000) GS:ffff88807e737000(0000) knlGS:0000000000000000
[  376.139012][ T2293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  376.139427][ T2293] CR2: 00000000004e5aa8 CR3: 000000001402a002 CR4: 0000000000772ef0
[  376.139936][ T2293] PKRU: 55555554
[  376.140177][ T2293] Call Trace:
[  376.140420][ T2293]  <TASK>
[ 376.140597][ T2293] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 376.140933][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 376.141265][ T2293] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 376.141609][ T2293] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 376.142014][ T2293] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 376.142343][ T2293] netif_set_mtu (net/core/dev.c:9652) 
[ 376.142678][ T2293] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 376.143014][ T2293] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 376.143487][ T2293] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 376.143746][ T2293] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 376.144188][ T2293] br_add_if (net/bridge/br_if.c:697) bridge 
[ 376.144574][ T2293] do_set_master (net/core/rtnetlink.c:2948) 
[ 376.144917][ T2293] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 376.145243][ T2293] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 376.145685][ T2293] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 376.146010][ T2293] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 376.146331][ T2293] ? __kernel_text_address (kernel/extable.c:79) 
[ 376.146664][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.147001][ T2293] ? __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) 
[ 376.147329][ T2293] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 376.147744][ T2293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 376.148071][ T2293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 376.148401][ T2293] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 376.148734][ T2293] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 376.149055][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 376.149385][ T2293] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 376.149731][ T2293] ? __create_object (mm/kmemleak.c:771) 
[ 376.150058][ T2293] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 376.150378][ T2293] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 376.150713][ T2293] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 376.151127][ T2293] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 376.151457][ T2293] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 376.151796][ T2293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 376.152125][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.152454][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 376.152787][ T2293] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 376.153108][ T2293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 376.153430][ T2293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 376.153772][ T2293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 376.154096][ T2293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 376.154421][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.154763][ T2293] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 376.155087][ T2293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 376.155410][ T2293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 376.155768][ T2293] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 376.156092][ T2293] ? 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) 
[ 376.156415][ T2293] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 376.156756][ T2293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 376.157085][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.157421][ T2293] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 376.157756][ T2293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 376.158078][ T2293] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 376.158407][ T2293] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 376.158741][ T2293] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 376.159062][ T2293] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 376.159482][ T2293] ___sys_sendmsg (net/socket.c:2670) 
[ 376.159825][ T2293] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 376.160148][ T2293] ? __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) 
[ 376.160550][ T2293] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 376.160904][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 376.161230][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.161558][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 376.161893][ T2293] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 376.162234][ T2293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 376.162581][ T2293] __sys_sendmsg (net/socket.c:2700) 
[ 376.162904][ T2293] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 376.163303][ T2293] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 376.163648][ T2293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 376.163991][ T2293] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 376.164339][ T2293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  376.164753][ T2293] RIP: 0033:0x7fb8ab2711e7
[ 376.165086][ T2293] 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)
[  376.166235][ T2293] RSP: 002b:00007ffe1edf12c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  376.166735][ T2293] RAX: ffffffffffffffda RBX: 00007ffe1edf19f0 RCX: 00007fb8ab2711e7
[  376.167234][ T2293] RDX: 0000000000000000 RSI: 00007ffe1edf1330 RDI: 0000000000000005
[  376.167729][ T2293] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  376.168223][ T2293] R10: 0000000005b11910 R11: 0000000000000246 R12: 0000000000000003


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