======================================
| [   20.211234][  T327] br1: port 1(vx10) entered forwarding state
| [   20.212362][  T327] ------------[ cut here ]------------
| [ 20.212670][ T327] WARNING: CPU: 0 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) 
| [   20.213304][  T327] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   20.214487][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.214876][ 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) 
[ 20.215193][ 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
[   20.216304][  T327] RSP: 0018:ffffc900004a6ef0 EFLAGS: 00010246
[   20.216700][  T327] RAX: 0000000000000000 RBX: ffff88800cb32000 RCX: 0000000000000001
[   20.217180][  T327] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   20.217645][  T327] RBP: ffffc900004a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.218242][  T327] R10: ffffc900004a7010 R11: ffffffffbaaa8918 R12: 1ffff92000094de2
[   20.218702][  T327] R13: 00000000000005dc R14: ffffc900004a7010 R15: ffff88800cb32f08
[   20.219198][  T327] FS:  00007fec3b9e8800(0000) GS:ffff8880736b7000(0000) knlGS:0000000000000000
[   20.219752][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.220149][  T327] CR2: 000055a906d5adec CR3: 000000000c007001 CR4: 0000000000772ef0
[   20.220613][  T327] PKRU: 55555554
[   20.220855][  T327] Call Trace:
[   20.221096][  T327]  <TASK>
[ 20.221260][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.221576][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.221897][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.222206][ T327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.222595][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.222913][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 20.223234][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.223554][ T327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.224004][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.224241][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.224666][ T327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.225028][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.225342][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.225663][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.226060][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.226367][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.226668][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.226988][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.227301][ 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) 
[ 20.227616][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.228005][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.228316][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.228621][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.228937][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.229246][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.229552][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.229866][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 20.230184][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.230491][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.230808][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.231190][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.231510][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.231828][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.232134][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.232447][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.232773][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.233080][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.233389][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.233693][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.234509][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.235276][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.235594][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.235924][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.236234][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.236552][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.236865][ 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) 
[ 20.237174][ T327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.237483][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.237797][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.238120][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.238427][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.238742][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.239058][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.239368][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.239671][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.240069][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 20.240385][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.240688][ 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) 
[ 20.241295][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.241603][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.241919][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.242667][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.243200][ 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) 
[ 20.243513][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.244060][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 20.244368][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.244969][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.245287][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.245596][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.245908][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.246286][  T327] RIP: 0033:0x7fec3bbb51e7
[ 20.246615][ 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)
[   20.247720][  T327] RSP: 002b:00007ffdacf227b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.248182][  T327] RAX: ffffffffffffffda RBX: 00007ffdacf22ee0 RCX: 00007fec3bbb51e7
[   20.248652][  T327] RDX: 0000000000000000 RSI: 00007ffdacf22820 RDI: 0000000000000005
[   20.249342][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.249816][  T327] R10: 0000000003772910 R11: 0000000000000246 R12: 0000000000000004
[   20.250274][  T327] R13: 00000000686e1e56 R14: 0000000000499600 R15: 0000000000000000
| [   20.729733][  T332] ------------[ cut here ]------------
| [ 20.730041][ T332] WARNING: CPU: 3 PID: 332 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.730643][  T332] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   20.731834][  T332] Tainted: [W]=WARN
[   20.732067][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.732445][ T332] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.732769][ T332] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.733870][  T332] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   20.734269][  T332] RAX: 0000000000000000 RBX: ffff88800cb32000 RCX: 0000000000000001
[   20.734736][  T332] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   20.735193][  T332] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.735654][  T332] R10: ffffc90000557010 R11: ffffffffbaaa8918 R12: 1ffff920000aade2
[   20.736118][  T332] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff88800cb32f08
[   20.736574][  T332] FS:  00007fe6ddf30800(0000) GS:ffff888073837000(0000) knlGS:0000000000000000
[   20.737114][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.737502][  T332] CR2: 00000000004e5de8 CR3: 000000000fff3003 CR4: 0000000000772ef0
[   20.737973][  T332] PKRU: 55555554
[   20.738202][  T332] Call Trace:
[   20.738428][  T332]  <TASK>
[ 20.738598][ T332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.738940][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.739255][ T332] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.739564][ T332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.739958][ T332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.740275][ T332] netif_set_mtu (net/core/dev.c:9652) 
[ 20.740579][ T332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.740904][ T332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.741335][ T332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.741567][ T332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.741996][ T332] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.742353][ T332] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.742667][ T332] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.742996][ T332] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.743384][ T332] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.743689][ T332] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.744010][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.744329][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.744638][ T332] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.744952][ T332] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.745341][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.745648][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.745963][ T332] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.746267][ T332] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.746584][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.746901][ T332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.747206][ T332] ? __create_object (mm/kmemleak.c:771) 
[ 20.747512][ T332] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.747835][ T332] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.748140][ T332] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.748521][ T332] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.748845][ T332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.749155][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.749459][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.749783][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.750096][ T332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.750400][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.750706][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.751018][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.751325][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.751633][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.751969][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.752277][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.752592][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.752917][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.753225][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.753533][ T332] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.753852][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.754169][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.754481][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.754804][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.755112][ T332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.755426][ T332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.755750][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.756056][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.756449][ T332] ___sys_sendmsg (net/socket.c:2670) 
[ 20.756759][ T332] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.757072][ T332] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.757456][ T332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.757775][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.758084][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.758395][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.758700][ T332] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.759013][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.759334][ T332] __sys_sendmsg (net/socket.c:2700) 
[ 20.759639][ T332] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.760024][ T332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.760343][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.760653][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.760965][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.761350][  T332] RIP: 0033:0x7fe6de0fd1e7
[ 20.761672][ T332] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.762773][  T332] RSP: 002b:00007ffe58c09f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.763240][  T332] RAX: ffffffffffffffda RBX: 00007ffe58c0a680 RCX: 00007fe6de0fd1e7
[   20.763696][  T332] RDX: 0000000000000000 RSI: 00007ffe58c09fc0 RDI: 0000000000000005
[   20.764174][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.764635][  T332] R10: 0000000018343910 R11: 0000000000000246 R12: 0000000000000004
[   20.765108][  T332] R13: 00000000686e1e57 R14: 0000000000499600 R15: 0000000000000000
| [   21.000754][  T334] ------------[ cut here ]------------
| [ 21.001089][ T334] WARNING: CPU: 2 PID: 334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.001703][  T334] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.003160][  T334] Tainted: [W]=WARN
[   21.003403][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.003812][ T334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.004152][ T334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.005262][  T334] RSP: 0018:ffffc900006a6ef0 EFLAGS: 00010246
[   21.005661][  T334] RAX: 0000000000000000 RBX: ffff88800cb32000 RCX: 0000000000000001
[   21.006290][  T334] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   21.006922][  T334] RBP: ffffc900006a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.007644][  T334] R10: ffffc900006a7010 R11: ffffffffbaaa8918 R12: 1ffff920000d4de2
[   21.008354][  T334] R13: 00000000000005dc R14: ffffc900006a7010 R15: ffff88800cb32f08
[   21.008850][  T334] FS:  00007f671f9a8800(0000) GS:ffff8880737b7000(0000) knlGS:0000000000000000
[   21.009406][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.009814][  T334] CR2: 00000000004e5aa8 CR3: 00000000097c0003 CR4: 0000000000772ef0
[   21.010286][  T334] PKRU: 55555554
[   21.010528][  T334] Call Trace:
[   21.010782][  T334]  <TASK>
[ 21.010954][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.011273][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.011596][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.011929][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.012323][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.012644][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 21.012986][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.013321][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.013776][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.014034][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.014470][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.014851][ T334] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.015175][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.015498][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.015909][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.016226][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.016549][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.016892][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.017223][ T334] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.017542][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.017945][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.018268][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.018582][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.018916][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.019234][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.019552][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.019875][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 21.020194][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.020511][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.020865][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.021262][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.021594][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.021930][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.022248][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.022570][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.022899][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.023214][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.023531][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.023856][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.024189][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.024510][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.024852][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.025175][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.025490][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.025834][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.026150][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.026481][ T334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.026812][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.027126][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.027446][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.027776][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.028091][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.028416][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.028761][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.029084][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.029486][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 21.029814][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.030134][ T334] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.030529][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.030860][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.031189][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.031509][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.031840][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.032154][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.032477][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 21.032814][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.033211][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.033545][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.033879][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.034209][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.034594][  T334] RIP: 0033:0x7f671fb751e7
[ 21.034935][ T334] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.036045][  T334] RSP: 002b:00007ffd7a79bb08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.036515][  T334] RAX: ffffffffffffffda RBX: 00007ffd7a79c230 RCX: 00007f671fb751e7
[   21.037006][  T334] RDX: 0000000000000000 RSI: 00007ffd7a79bb70 RDI: 0000000000000005
[   21.037475][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.037960][  T334] R10: 000000001cc33910 R11: 0000000000000246 R12: 0000000000000004
[   21.038427][  T334] R13: 00000000686e1e57 R14: 0000000000499600 R15: 0000000000000000
| [   21.352556][  T337] ------------[ cut here ]------------
| [ 21.352908][ T337] WARNING: CPU: 2 PID: 337 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.353529][  T337] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.355647][  T337] Tainted: [W]=WARN
[   21.355911][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.356310][ T337] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.356646][ T337] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.357767][  T337] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   21.358175][  T337] RAX: 0000000000000000 RBX: ffff88800cb32000 RCX: 0000000000000001
[   21.358646][  T337] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   21.359126][  T337] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.359598][  T337] R10: ffffc90000597010 R11: ffffffffbaaa8918 R12: 1ffff920000b2de2
[   21.360085][  T337] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800cb32f08
[   21.360555][  T337] FS:  00007f4c592ce800(0000) GS:ffff8880737b7000(0000) knlGS:0000000000000000
[   21.361112][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.361510][  T337] CR2: 00000000004e5ab0 CR3: 000000000c03e001 CR4: 0000000000772ef0
[   21.361994][  T337] PKRU: 55555554
[   21.362248][  T337] Call Trace:
[   21.362490][  T337]  <TASK>
[ 21.362662][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.362995][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.363328][ T337] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.363651][ T337] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.364066][ T337] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.364396][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 21.364733][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.365065][ T337] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.365509][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.365768][ T337] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.366202][ T337] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.366577][ T337] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.366925][ T337] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.367258][ T337] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.367660][ T337] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.367996][ T337] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.368315][ T337] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.368644][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.368978][ T337] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.369304][ T337] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.369696][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.370029][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.370346][ T337] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.370665][ T337] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.370997][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.371319][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.371633][ T337] ? __create_object (mm/kmemleak.c:771) 
[ 21.371976][ T337] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.372296][ T337] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.372617][ T337] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.373021][ T337] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.373351][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.373674][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.374013][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.374342][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.374670][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.375000][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.375322][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.375639][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.375969][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.376291][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.376615][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.376969][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.377294][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.377622][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.377952][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.378272][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.378593][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.378922][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.379257][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.379580][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.379908][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.380237][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.380559][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.380888][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.381292][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 21.381621][ T337] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.381949][ T337] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.382346][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.382667][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.383002][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.383326][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.383649][ T337] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.383991][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.384323][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 21.384639][ T337] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.385041][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.385371][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.385699][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.386029][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.386423][  T337] RIP: 0033:0x7f4c5949b1e7
[ 21.386763][ T337] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.387877][  T337] RSP: 002b:00007ffc2ca5b938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.388353][  T337] RAX: ffffffffffffffda RBX: 00007ffc2ca5c060 RCX: 00007f4c5949b1e7
[   21.388840][  T337] RDX: 0000000000000000 RSI: 00007ffc2ca5b9a0 RDI: 0000000000000005
[   21.389308][  T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.389793][  T337] R10: 0000000010611910 R11: 0000000000000246 R12: 0000000000000004
[   21.390262][  T337] R13: 00000000686e1e58 R14: 0000000000499600 R15: 0000000000000000
| [   29.928920][  T424] ------------[ cut here ]------------
| [ 29.929274][ T424] WARNING: CPU: 2 PID: 424 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) 
| [   29.929936][  T424] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   29.931244][  T424] Tainted: [W]=WARN
[   29.931488][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.931894][ T424] 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) 
[ 29.932226][ T424] 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
[   29.933339][  T424] RSP: 0018:ffffc90000b76ef0 EFLAGS: 00010246
[   29.933758][  T424] RAX: 0000000000000000 RBX: ffff88800fef2000 RCX: 0000000000000001
[   29.934260][  T424] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   29.934746][  T424] RBP: ffffc90000b76fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.935218][  T424] R10: ffffc90000b77010 R11: ffffffffba179160 R12: 1ffff9200016ede2
[   29.935699][  T424] R13: 00000000000005dc R14: ffffc90000b77010 R15: ffff88800fef2f08
[   29.936183][  T424] FS:  00007f0bf0af1800(0000) GS:ffff8880737b7000(0000) knlGS:0000000000000000
[   29.936739][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.937146][  T424] CR2: 00000000004e5ce0 CR3: 000000000c2c7004 CR4: 0000000000772ef0
[   29.937620][  T424] PKRU: 55555554
[   29.937871][  T424] Call Trace:
[   29.938109][  T424]  <TASK>
[ 29.938280][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.938611][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.938953][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.939285][ T424] netif_set_mtu (net/core/dev.c:9652) 
[ 29.939610][ T424] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.939961][ T424] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.940212][ T424] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.940662][ T424] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.941043][ T424] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.941371][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.941695][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.942114][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.942432][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.942761][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.943084][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.943418][ T424] ? __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) 
[ 29.943754][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.944158][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.944477][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.944810][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.945126][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.945445][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.945782][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.946098][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 29.946423][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.946758][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.947080][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.947471][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.947812][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.948136][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.948466][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.948804][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.949129][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.949442][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.949783][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.950096][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.950421][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.950767][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.951102][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.951419][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.951753][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.952079][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.952392][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.952741][ T424] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.953067][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.953396][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.953738][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.954071][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.954399][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.954738][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.955062][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.955377][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.955798][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 29.956112][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.956430][ T424] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.956835][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.957156][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.957476][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.957816][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.958136][ T424] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.958452][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.958800][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 29.959118][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.959507][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.959852][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.960170][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.960495][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.960899][  T424] RIP: 0033:0x7f0bf0cbe1e7
[ 29.961227][ T424] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.962346][  T424] RSP: 002b:00007ffd1b25fe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.962838][  T424] RAX: ffffffffffffffda RBX: 00007ffd1b260530 RCX: 00007f0bf0cbe1e7
[   29.963307][  T424] RDX: 0000000000000000 RSI: 00007ffd1b25fe70 RDI: 0000000000000005
[   29.963802][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.964293][  T424] R10: 000000002fefc910 R11: 0000000000000246 R12: 0000000000000004
[   29.964782][  T424] R13: 00000000686e1e60 R14: 0000000000499600 R15: 0000000000000000
| [   30.447358][  T428] ------------[ cut here ]------------
| [ 30.447673][ T428] WARNING: CPU: 0 PID: 428 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.448284][  T428] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   30.449692][  T428] Tainted: [W]=WARN
[   30.449930][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.450314][ T428] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.450625][ T428] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.451720][  T428] RSP: 0018:ffffc90000ba6ef0 EFLAGS: 00010246
[   30.452108][  T428] RAX: 0000000000000000 RBX: ffff88800fef2000 RCX: 0000000000000001
[   30.452560][  T428] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   30.453020][  T428] RBP: ffffc90000ba6fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.453474][  T428] R10: ffffc90000ba7010 R11: ffffffffbaaa8918 R12: 1ffff92000174de2
[   30.453938][  T428] R13: 00000000000005dc R14: ffffc90000ba7010 R15: ffff88800fef2f08
[   30.454417][  T428] FS:  00007fc41db92800(0000) GS:ffff8880736b7000(0000) knlGS:0000000000000000
[   30.454989][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.455371][  T428] CR2: 00000000004e5de8 CR3: 0000000011655005 CR4: 0000000000772ef0
[   30.455834][  T428] PKRU: 55555554
[   30.456067][  T428] Call Trace:
[   30.456295][  T428]  <TASK>
[ 30.456451][ T428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.456768][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.457090][ T428] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.457396][ T428] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.457784][ T428] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.458092][ T428] netif_set_mtu (net/core/dev.c:9652) 
[ 30.458407][ T428] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.458731][ T428] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.459159][ T428] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.459387][ T428] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.459813][ T428] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.460164][ T428] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.460474][ T428] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.460799][ T428] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.461185][ T428] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.461493][ T428] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.461805][ T428] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.462113][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.462419][ T428] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.462735][ T428] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.463118][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.463424][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.463738][ T428] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.464050][ T428] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.464352][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.464657][ T428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.464966][ T428] ? __create_object (mm/kmemleak.c:771) 
[ 30.465278][ T428] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.465584][ T428] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.465895][ T428] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.466273][ T428] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.466582][ T428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.466905][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.467205][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.467516][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.467836][ T428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.468138][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.468448][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.468767][ T428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.469073][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.469382][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.469690][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.470006][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.470318][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.470631][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.470943][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.471250][ T428] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.471553][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.471863][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.472174][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.472478][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.472793][ T428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.473105][ T428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.473414][ T428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.473728][ T428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.474127][ T428] ___sys_sendmsg (net/socket.c:2670) 
[ 30.474430][ T428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.474748][ T428] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.475127][ T428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.475436][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.475753][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.476066][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.476372][ T428] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.476676][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.477004][ T428] __sys_sendmsg (net/socket.c:2700) 
[ 30.477304][ T428] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.477680][ T428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.478004][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.478313][ T428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.478617][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.479005][  T428] RIP: 0033:0x7fc41dd5f1e7
[ 30.479328][ T428] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.480416][  T428] RSP: 002b:00007ffd0b1aff48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.480885][  T428] RAX: ffffffffffffffda RBX: 00007ffd0b1b0670 RCX: 00007fc41dd5f1e7
[   30.481346][  T428] RDX: 0000000000000000 RSI: 00007ffd0b1affb0 RDI: 0000000000000005
[   30.481816][  T428] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.482268][  T428] R10: 0000000035cf4910 R11: 0000000000000246 R12: 0000000000000004
[   30.482732][  T428] R13: 00000000686e1e61 R14: 0000000000499600 R15: 0000000000000000
| [   30.709757][  T430] ------------[ cut here ]------------
| [ 30.710068][ T430] WARNING: CPU: 3 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.710673][  T430] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   30.712796][  T430] Tainted: [W]=WARN
[   30.713032][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.713410][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.713733][ T430] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.714834][  T430] RSP: 0018:ffffc90000bc6ef0 EFLAGS: 00010246
[   30.715222][  T430] RAX: 0000000000000000 RBX: ffff88800fef2000 RCX: 0000000000000001
[   30.715675][  T430] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   30.716177][  T430] RBP: ffffc90000bc6fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.716631][  T430] R10: ffffc90000bc7010 R11: ffffffffba179160 R12: 1ffff92000178de2
[   30.717093][  T430] R13: 00000000000005dc R14: ffffc90000bc7010 R15: ffff88800fef2f08
[   30.717548][  T430] FS:  00007f63ad687800(0000) GS:ffff888073837000(0000) knlGS:0000000000000000
[   30.718097][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.718482][  T430] CR2: 00000000004e6890 CR3: 0000000011655004 CR4: 0000000000772ef0
[   30.719134][  T430] PKRU: 55555554
[   30.719364][  T430] Call Trace:
[   30.719593][  T430]  <TASK>
[ 30.719778][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.720107][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.720431][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.720749][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 30.721057][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.721376][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.721607][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.722043][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.722397][ T430] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.722711][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.723030][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.723416][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.723727][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.724069][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.724382][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.724690][ T430] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.725014][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.725391][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.725697][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.726005][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.726310][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.726615][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.727002][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.727308][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 30.727623][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.727971][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.728276][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.728653][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.728976][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.729289][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.729601][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.729932][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.730249][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.730558][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.730879][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.731190][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.731497][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.731847][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.732163][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.732475][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.732793][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.733110][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.733418][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.733733][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.734052][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.734360][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.734678][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.734997][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.735302][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.735614][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.735961][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.736267][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.736658][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 30.736976][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.737280][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.737661][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.737976][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.738285][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.738597][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.738919][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.739232][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.739542][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 30.739882][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.740262][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.740578][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.740896][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.741202][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.741585][  T430] RIP: 0033:0x7f63ad8541e7
[ 30.741907][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.742996][  T430] RSP: 002b:00007ffdc18ad3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.743455][  T430] RAX: ffffffffffffffda RBX: 00007ffdc18adaf0 RCX: 00007f63ad8541e7
[   30.743955][  T430] RDX: 0000000000000000 RSI: 00007ffdc18ad430 RDI: 0000000000000005
[   30.744423][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.744886][  T430] R10: 0000000017be3910 R11: 0000000000000246 R12: 0000000000000004
[   30.745343][  T430] R13: 00000000686e1e61 R14: 0000000000499600 R15: 0000000000000000
| [   31.116301][  T433] ------------[ cut here ]------------
| [ 31.116628][ T433] WARNING: CPU: 2 PID: 433 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.117260][  T433] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.118694][  T433] Tainted: [W]=WARN
[   31.118949][  T433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.119348][ T433] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.119674][ T433] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.120799][  T433] RSP: 0018:ffffc90000bf6ef0 EFLAGS: 00010246
[   31.121200][  T433] RAX: 0000000000000000 RBX: ffff88800fef2000 RCX: 0000000000000001
[   31.121674][  T433] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   31.122166][  T433] RBP: ffffc90000bf6fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.122641][  T433] R10: ffffc90000bf7010 R11: ffffffffbaaa8918 R12: 1ffff9200017ede2
[   31.123130][  T433] R13: 00000000000005dc R14: ffffc90000bf7010 R15: ffff88800fef2f08
[   31.123603][  T433] FS:  00007f8f25599800(0000) GS:ffff8880737b7000(0000) knlGS:0000000000000000
[   31.124178][  T433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.124576][  T433] CR2: 00000000004e6890 CR3: 0000000011646006 CR4: 0000000000772ef0
[   31.125059][  T433] PKRU: 55555554
[   31.125305][  T433] Call Trace:
[   31.125547][  T433]  <TASK>
[ 31.125746][ T433] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.126073][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.126407][ T433] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.126738][ T433] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.127137][ T433] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.127463][ T433] netif_set_mtu (net/core/dev.c:9652) 
[ 31.127796][ T433] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.128131][ T433] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.128574][ T433] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.128841][ T433] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.129277][ T433] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.129644][ T433] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.129981][ T433] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.130307][ T433] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.130706][ T433] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.131048][ T433] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.131365][ T433] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.131690][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.132027][ T433] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.132350][ T433] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.132753][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.133076][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.133393][ T433] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.133732][ T433] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.134061][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.134392][ T433] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.134705][ T433] ? __create_object (mm/kmemleak.c:771) 
[ 31.135042][ T433] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.135361][ T433] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.135680][ T433] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.136094][ T433] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.136418][ T433] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.136750][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.137069][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.137410][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.137745][ T433] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.138061][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.138381][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.138705][ T433] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.139040][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.139363][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.139689][ T433] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.140022][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.140343][ T433] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.140675][ T433] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.141010][ T433] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.141337][ T433] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.141658][ T433] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.141986][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.142307][ T433] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.142631][ T433] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.142961][ T433] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.143295][ T433] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.143616][ T433] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.143944][ T433] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.144369][ T433] ___sys_sendmsg (net/socket.c:2670) 
[ 31.144689][ T433] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.145020][ T433] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.145414][ T433] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.145753][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.146077][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.146399][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.146732][ T433] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.147049][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.147376][ T433] __sys_sendmsg (net/socket.c:2700) 
[ 31.147693][ T433] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.148106][ T433] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.148444][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.148777][ T433] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.149101][ T433] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.149493][  T433] RIP: 0033:0x7f8f257661e7
[ 31.149836][ T433] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.150961][  T433] RSP: 002b:00007ffc3797f828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.151443][  T433] RAX: ffffffffffffffda RBX: 00007ffc3797ff50 RCX: 00007f8f257661e7
[   31.151927][  T433] RDX: 0000000000000000 RSI: 00007ffc3797f890 RDI: 0000000000000005
[   31.152398][  T433] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.152890][  T433] R10: 0000000028f23910 R11: 0000000000000246 R12: 0000000000000004
[   31.153361][  T433] R13: 00000000686e1e61 R14: 0000000000499600 R15: 0000000000000000
| [   64.358366][  T675] ------------[ cut here ]------------
| [ 64.358782][ T675] WARNING: CPU: 2 PID: 675 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) 
| [   64.359481][  T675] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   64.360949][  T675] Tainted: [W]=WARN
[   64.361229][  T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.361673][ T675] 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) 
[ 64.362058][ T675] 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
[   64.363320][  T675] RSP: 0018:ffffc900013f6f70 EFLAGS: 00010246
[   64.363788][  T675] RAX: 0000000000000000 RBX: ffff88800cb32000 RCX: 0000000000000001
[   64.364335][  T675] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   64.364874][  T675] RBP: ffffc900013f7058 R08: 0000000000000000 R09: 0000000000000000
[   64.365405][  T675] R10: ffffc900013f7088 R11: ffffffffb6000130 R12: 1ffff9200027edf2
[   64.365951][  T675] R13: 00000000000005dc R14: ffffc900013f7088 R15: ffff88800cb32f08
[   64.366495][  T675] FS:  00007f102cf2a800(0000) GS:ffff8880737b7000(0000) knlGS:0000000000000000
[   64.367145][  T675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.367593][  T675] CR2: 00000000004e5ab0 CR3: 000000000f8e6005 CR4: 0000000000772ef0
[   64.368138][  T675] PKRU: 55555554
[   64.368423][  T675] Call Trace:
[   64.368698][  T675]  <TASK>
[ 64.368899][ T675] ? __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) 
[ 64.369348][ T675] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 64.369783][ T675] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.370154][ T675] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.370513][ T675] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.370882][ T675] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.371250][ T675] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.371613][ T675] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.371994][ T675] ? ___sys_sendmsg (net/socket.c:2670) 
[ 64.372359][ T675] ? __sys_sendmsg (net/socket.c:2700) 
[ 64.372748][ T675] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.373109][ T675] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 64.373548][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.373929][ T675] netif_set_mtu (net/core/dev.c:9652) 
[ 64.374313][ T675] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 64.374689][ T675] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 64.374978][ T675] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 64.375479][ T675] br_del_if (net/bridge/br_if.c:743) bridge 
[ 64.375906][ T675] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 64.376270][ T675] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.376634][ T675] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.376995][ T675] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 64.377444][ T675] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.377816][ T675] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.378178][ T675] ? __kernel_text_address (kernel/extable.c:79) 
[ 64.378551][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.378934][ T675] ? __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) 
[ 64.379296][ T675] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 64.379749][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.380112][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.380467][ T675] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 64.380837][ T675] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 64.381208][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.381565][ T675] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 64.381932][ T675] ? __create_object (mm/kmemleak.c:771) 
[ 64.382291][ T675] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.382648][ T675] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 64.383021][ T675] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 64.383461][ T675] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 64.383838][ T675] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 64.384230][ T675] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.384591][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.384968][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.385331][ T675] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 64.385685][ T675] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.386058][ T675] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.386419][ T675] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 64.386789][ T675] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.387160][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.387522][ T675] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 64.387893][ T675] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.388252][ T675] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 64.388620][ T675] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 64.388988][ T675] ? 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) 
[ 64.389359][ T675] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.389731][ T675] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 64.390089][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.390454][ T675] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.390825][ T675] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 64.391182][ T675] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 64.391551][ T675] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.391929][ T675] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 64.392299][ T675] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 64.392764][ T675] ___sys_sendmsg (net/socket.c:2670) 
[ 64.393127][ T675] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 64.393482][ T675] ? __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) 
[ 64.393934][ T675] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 64.394313][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.394676][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.395062][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.395422][ T675] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 64.395790][ T675] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.396157][ T675] __sys_sendmsg (net/socket.c:2700) 
[ 64.396511][ T675] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 64.396960][ T675] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 64.397330][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.397710][ T675] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.398085][ T675] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.398523][  T675] RIP: 0033:0x7f102d0f71e7
[ 64.398902][ T675] 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)
[   64.400148][  T675] RSP: 002b:00007ffe5f4e9c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.400682][  T675] RAX: ffffffffffffffda RBX: 00007ffe5f4ea360 RCX: 00007f102d0f71e7
[   64.401218][  T675] RDX: 0000000000000000 RSI: 00007ffe5f4e9ca0 RDI: 0000000000000005
[   64.401754][  T675] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   64.402284][  T675] R10: 00007f102cff4ee8 R11: 0000000000000246 R12: 0000000000000003
[   64.402826][  T675] R13: 00000000686e1e83 R14: 0000000000499600 R15: 0000000000000000
| [   64.740436][  T678] ------------[ cut here ]------------
| [ 64.740784][ T678] WARNING: CPU: 0 PID: 678 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) 
| [   64.741413][  T678] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   64.743589][  T678] Tainted: [W]=WARN
[   64.743847][  T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.744262][ T678] 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) 
[ 64.744592][ T678] 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
[   64.745752][  T678] RSP: 0018:ffffc90001416f70 EFLAGS: 00010246
[   64.746162][  T678] RAX: 0000000000000000 RBX: ffff88800cb32000 RCX: 0000000000000001
[   64.746665][  T678] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   64.747159][  T678] RBP: ffffc90001417058 R08: 0000000000000000 R09: 0000000000000000
[   64.747643][  T678] R10: ffffc90001417088 R11: ffffffffba179160 R12: 1ffff92000282df2
[   64.748144][  T678] R13: 00000000000005dc R14: ffffc90001417088 R15: ffff88800cb32f08
[   64.748624][  T678] FS:  00007ff8c4ba8800(0000) GS:ffff8880736b7000(0000) knlGS:0000000000000000
[   64.749195][  T678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.749605][  T678] CR2: 00000000004e5aa8 CR3: 00000000060bf001 CR4: 0000000000772ef0
[   64.750109][  T678] PKRU: 55555554
[   64.750351][  T678] Call Trace:
[   64.750594][  T678]  <TASK>
[ 64.750768][ T678] ? __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) 
[ 64.751178][ T678] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 64.751558][ T678] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.751892][ T678] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.752213][ T678] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.752540][ T678] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.752874][ T678] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.753190][ T678] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.753512][ T678] ? ___sys_sendmsg (net/socket.c:2670) 
[ 64.753846][ T678] ? __sys_sendmsg (net/socket.c:2700) 
[ 64.754177][ T678] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.754501][ T678] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 64.754911][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.755254][ T678] netif_set_mtu (net/core/dev.c:9652) 
[ 64.755578][ T678] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 64.755921][ T678] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 64.756168][ T678] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 64.756614][ T678] br_del_if (net/bridge/br_if.c:743) bridge 
[ 64.756981][ T678] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 64.757305][ T678] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.757630][ T678] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.757972][ T678] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 64.758377][ T678] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.758701][ T678] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.759030][ T678] ? __kernel_text_address (kernel/extable.c:79) 
[ 64.759355][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.759682][ T678] ? __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) 
[ 64.760021][ T678] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 64.760419][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.760751][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.761073][ T678] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 64.761397][ T678] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 64.761737][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.762064][ T678] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 64.762382][ T678] ? __create_object (mm/kmemleak.c:771) 
[ 64.762734][ T678] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.763062][ T678] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 64.763383][ T678] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 64.763793][ T678] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 64.764130][ T678] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 64.764460][ T678] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.764806][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.765140][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.765468][ T678] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 64.765798][ T678] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.766122][ T678] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.766470][ T678] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 64.766807][ T678] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.767135][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.767460][ T678] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 64.767795][ T678] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.768117][ T678] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 64.768448][ T678] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 64.768781][ T678] ? 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) 
[ 64.769103][ T678] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.769427][ T678] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 64.769762][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.770101][ T678] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.770423][ T678] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 64.770755][ T678] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 64.771085][ T678] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.771410][ T678] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 64.771739][ T678] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 64.772155][ T678] ___sys_sendmsg (net/socket.c:2670) 
[ 64.772481][ T678] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 64.772816][ T678] ? __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) 
[ 64.773218][ T678] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 64.773540][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.773872][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.774210][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.774530][ T678] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 64.774870][ T678] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.775198][ T678] __sys_sendmsg (net/socket.c:2700) 
[ 64.775515][ T678] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 64.775921][ T678] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 64.776254][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.776598][ T678] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.776934][ T678] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.777339][  T678] RIP: 0033:0x7ff8c4d751e7
[ 64.777683][ T678] 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)
[   64.778839][  T678] RSP: 002b:00007ffd871d5798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.779329][  T678] RAX: ffffffffffffffda RBX: 00007ffd871d5ec0 RCX: 00007ff8c4d751e7
[   64.779829][  T678] RDX: 0000000000000000 RSI: 00007ffd871d5800 RDI: 0000000000000005
[   64.780309][  T678] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   64.780798][  T678] R10: 00007ff8c4c72ee8 R11: 0000000000000246 R12: 0000000000000003
[   64.781277][  T678] R13: 00000000686e1e83 R14: 0000000000499600 R15: 0000000000000000
| [   65.086790][  T680] ------------[ cut here ]------------
| [ 65.087111][ T680] WARNING: CPU: 0 PID: 680 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) 
| [   65.087756][  T680] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   65.089041][  T680] Tainted: [W]=WARN
[   65.089274][  T680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.089654][ T680] 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) 
[ 65.089977][ T680] 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
[   65.091077][  T680] RSP: 0018:ffffc90001426f70 EFLAGS: 00010246
[   65.091464][  T680] RAX: 0000000000000000 RBX: ffff88800cb32000 RCX: 0000000000000001
[   65.091940][  T680] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   65.092397][  T680] RBP: ffffc90001427058 R08: 0000000000000000 R09: 0000000000000000
[   65.093470][  T680] R10: ffffc90001427088 R11: ffffffffba179160 R12: 1ffff92000284df2
[   65.093939][  T680] R13: 00000000000005dc R14: ffffc90001427088 R15: ffff88800cb32f08
[   65.094400][  T680] FS:  00007f6c5fc84800(0000) GS:ffff8880736b7000(0000) knlGS:0000000000000000
[   65.094939][  T680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.095329][  T680] CR2: 00000000004e5de8 CR3: 00000000060bf003 CR4: 0000000000772ef0
[   65.095807][  T680] PKRU: 55555554
[   65.096045][  T680] Call Trace:
[   65.096276][  T680]  <TASK>
[ 65.096430][ T680] ? __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) 
[ 65.096821][ T680] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 65.097178][ T680] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 65.097490][ T680] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.097802][ T680] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.098108][ T680] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 65.098413][ T680] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.098729][ T680] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.099039][ T680] ? ___sys_sendmsg (net/socket.c:2670) 
[ 65.099344][ T680] ? __sys_sendmsg (net/socket.c:2700) 
[ 65.099647][ T680] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.100037][ T680] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 65.100421][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.100745][ T680] netif_set_mtu (net/core/dev.c:9652) 
[ 65.101052][ T680] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 65.101374][ T680] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 65.101605][ T680] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 65.102033][ T680] br_del_if (net/bridge/br_if.c:743) bridge 
[ 65.102380][ T680] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 65.102686][ T680] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 65.103021][ T680] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.103329][ T680] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.103733][ T680] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.104036][ T680] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.104350][ T680] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.104663][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.104980][ T680] ? __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) 
[ 65.105284][ T680] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.105661][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.105976][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.106277][ T680] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.106579][ T680] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.106892][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.107202][ T680] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.107510][ T680] ? __create_object (mm/kmemleak.c:771) 
[ 65.107834][ T680] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.108170][ T680] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.108476][ T680] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.108863][ T680] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.109173][ T680] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.109488][ T680] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.109803][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.110114][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.110420][ T680] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.110730][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.111041][ T680] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.111344][ T680] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.111650][ T680] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.111983][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.112292][ T680] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.112596][ T680] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.112911][ T680] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.113226][ T680] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.113529][ T680] ? 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) 
[ 65.113842][ T680] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 65.114212][ T680] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.114516][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.114834][ T680] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.115141][ T680] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.115446][ T680] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.115774][ T680] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.116088][ T680] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.116396][ T680] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.116796][ T680] ___sys_sendmsg (net/socket.c:2670) 
[ 65.117095][ T680] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.117402][ T680] ? __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) 
[ 65.117790][ T680] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.118099][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.118460][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.118808][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.119130][ T680] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.119449][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.119795][ T680] __sys_sendmsg (net/socket.c:2700) 
[ 65.120120][ T680] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.120515][ T680] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.120854][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.121178][ T680] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.121505][ T680] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.121907][  T680] RIP: 0033:0x7f6c5fe511e7
[ 65.122240][ T680] 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)
[   65.123385][  T680] RSP: 002b:00007fffc8b2eea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.123896][  T680] RAX: ffffffffffffffda RBX: 00007fffc8b2f5d0 RCX: 00007f6c5fe511e7
[   65.124389][  T680] RDX: 0000000000000000 RSI: 00007fffc8b2ef10 RDI: 0000000000000005
[   65.124873][  T680] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.125351][  T680] R10: 00007f6c5fd4eee8 R11: 0000000000000246 R12: 0000000000000003
[   65.125840][  T680] R13: 00000000686e1e83 R14: 0000000000499600 R15: 0000000000000000
| [   65.631244][  T684] ------------[ cut here ]------------
| [ 65.631574][ T684] WARNING: CPU: 1 PID: 684 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) 
| [   65.632194][  T684] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   65.633483][  T684] Tainted: [W]=WARN
[   65.633731][  T684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.634129][ T684] 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) 
[ 65.634443][ T684] 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
[   65.635550][  T684] RSP: 0018:ffffc90001466f70 EFLAGS: 00010246
[   65.635949][  T684] RAX: 0000000000000000 RBX: ffff88800cb32000 RCX: 0000000000000001
[   65.636409][  T684] RDX: 0000000000000000 RSI: ffffffffb9c9b941 RDI: ffffffffb94555e0
[   65.636892][  T684] RBP: ffffc90001467058 R08: 0000000000000000 R09: 0000000000000000
[   65.637356][  T684] R10: ffffc90001467088 R11: ffffffffba179160 R12: 1ffff9200028cdf2
[   65.639042][  T684] R13: 00000000000005dc R14: ffffc90001467088 R15: ffff88800cb32f08
[   65.639503][  T684] FS:  00007f63c9af4800(0000) GS:ffff888073737000(0000) knlGS:0000000000000000
[   65.640046][  T684] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.640440][  T684] CR2: 00000000004e5ce0 CR3: 00000000093dd002 CR4: 0000000000772ef0
[   65.640927][  T684] PKRU: 55555554
[   65.641160][  T684] Call Trace:
[   65.641388][  T684]  <TASK>
[ 65.641550][ T684] ? __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) 
[ 65.641943][ T684] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 65.642297][ T684] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 65.642610][ T684] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.642922][ T684] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.643224][ T684] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 65.643530][ T684] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.643860][ T684] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.644179][ T684] ? ___sys_sendmsg (net/socket.c:2670) 
[ 65.644481][ T684] ? __sys_sendmsg (net/socket.c:2700) 
[ 65.644812][ T684] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.645130][ T684] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 65.645510][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.645836][ T684] netif_set_mtu (net/core/dev.c:9652) 
[ 65.646145][ T684] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 65.646469][ T684] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 65.646704][ T684] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 65.647141][ T684] br_del_if (net/bridge/br_if.c:743) bridge 
[ 65.647483][ T684] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 65.647802][ T684] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 65.648112][ T684] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.648420][ T684] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.648839][ T684] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.649146][ T684] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.649499][ T684] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.649838][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.650163][ T684] ? __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) 
[ 65.650482][ T684] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.650889][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.651213][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.651533][ T684] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.651863][ T684] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.652195][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.652514][ T684] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.652855][ T684] ? __create_object (mm/kmemleak.c:771) 
[ 65.653171][ T684] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.653487][ T684] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.653825][ T684] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.654246][ T684] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.654565][ T684] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.654905][ T684] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.655227][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.655554][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.655886][ T684] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.656206][ T684] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.656528][ T684] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.656868][ T684] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.657197][ T684] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.657533][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.657871][ T684] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.658194][ T684] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.658515][ T684] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.658852][ T684] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.659169][ T684] ? 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) 
[ 65.659491][ T684] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 65.659827][ T684] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.660148][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.660473][ T684] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.660822][ T684] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.661141][ T684] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.661468][ T684] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.661803][ T684] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.662125][ T684] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.662532][ T684] ___sys_sendmsg (net/socket.c:2670) 
[ 65.662857][ T684] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.663175][ T684] ? __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) 
[ 65.663570][ T684] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.663900][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.664233][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.664562][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.664901][ T684] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.665221][ T684] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.665545][ T684] __sys_sendmsg (net/socket.c:2700) 
[ 65.665871][ T684] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.666266][ T684] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.666599][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.666935][ T684] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.667258][ T684] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.667657][  T684] RIP: 0033:0x7f63c9cc11e7
[ 65.668000][ T684] 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)
[   65.669151][  T684] RSP: 002b:00007ffd225ec9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.669645][  T684] RAX: ffffffffffffffda RBX: 00007ffd225ed110 RCX: 00007f63c9cc11e7
[   65.670132][  T684] RDX: 0000000000000000 RSI: 00007ffd225eca50 RDI: 0000000000000005
[   65.670612][  T684] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.671094][  T684] R10: 00007f63c9bbeee8 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