======================================
| [   21.009598][  T328] br1: port 1(vx10) entered forwarding state
| [   21.010861][  T328] ------------[ cut here ]------------
| [ 21.011248][ T328] WARNING: CPU: 2 PID: 328 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) 
| [   21.011981][  T328] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   21.014294][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.014771][ T328] 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) 
[ 21.015159][ T328] 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
[   21.016434][  T328] RSP: 0018:ffffc90000666ef0 EFLAGS: 00010246
[   21.016900][  T328] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   21.017450][  T328] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   21.018015][  T328] RBP: ffffc90000666fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.018573][  T328] R10: ffffc90000667010 R11: ffffffffb0ca8918 R12: 1ffff920000ccde2
[   21.019147][  T328] R13: 00000000000005dc R14: ffffc90000667010 R15: ffff88800b9f2f08
[   21.019692][  T328] FS:  00007fa2c8154800(0000) GS:ffff8880843b7000(0000) knlGS:0000000000000000
[   21.020545][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.021005][  T328] CR2: 00000000004e5ce0 CR3: 000000000ba5e005 CR4: 0000000000772ef0
[   21.021561][  T328] PKRU: 55555554
[   21.021844][  T328] Call Trace:
[   21.022122][  T328]  <TASK>
[ 21.022328][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.022709][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.023100][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.023468][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.023938][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.024308][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 21.024693][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.025072][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.025590][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.025880][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.026395][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.026819][ T328] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.027203][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.027579][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.028047][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.028419][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.028813][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.029218][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.029599][ T328] ? __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) 
[ 21.029977][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.030429][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.030807][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.031173][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.031556][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.031923][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.032285][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.032670][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 21.033037][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.033412][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.033786][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.034242][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.034638][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.035034][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.035402][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.035784][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.036148][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.036509][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.036894][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.037275][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.037661][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.038053][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.038438][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.038817][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.039205][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.039610][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.039990][ T328] ? 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) 
[ 21.040366][ T328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.040753][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.041150][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.041521][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.041927][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.042309][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.042697][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.043077][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.043464][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.043934][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 21.044312][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.044714][ T328] ? __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) 
[ 21.045178][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.045571][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.045962][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.046341][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.046727][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.047105][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.047500][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 21.047878][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.048344][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.048838][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.049187][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.049782][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.050428][  T328] RIP: 0033:0x7fa2c83211e7
[ 21.050778][ T328] 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)
[   21.052125][  T328] RSP: 002b:00007fff661948b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.052614][  T328] RAX: ffffffffffffffda RBX: 00007fff66194fe0 RCX: 00007fa2c83211e7
[   21.053091][  T328] RDX: 0000000000000000 RSI: 00007fff66194920 RDI: 0000000000000005
[   21.053571][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.054042][  T328] R10: 000000002f1d1910 R11: 0000000000000246 R12: 0000000000000004
[   21.054516][  T328] R13: 00000000686e481a R14: 0000000000499600 R15: 0000000000000000
| [   21.538319][  T333] ------------[ cut here ]------------
| [ 21.538633][ T333] WARNING: CPU: 0 PID: 333 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) 
| [   21.539252][  T333] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.540455][  T333] Tainted: [W]=WARN
[   21.540698][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.541171][ T333] 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) 
[ 21.541485][ T333] 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
[   21.542586][  T333] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   21.542981][  T333] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   21.543449][  T333] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   21.543939][  T333] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.544395][  T333] R10: ffffc900005c7010 R11: ffffffffb0ca8918 R12: 1ffff920000b8de2
[   21.544855][  T333] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff88800b9f2f08
[   21.545312][  T333] FS:  00007f24ed9a1800(0000) GS:ffff8880842b7000(0000) knlGS:0000000000000000
[   21.545860][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.546249][  T333] CR2: 00000000004e5de8 CR3: 000000000f829001 CR4: 0000000000772ef0
[   21.546717][  T333] PKRU: 55555554
[   21.546947][  T333] Call Trace:
[   21.547175][  T333]  <TASK>
[ 21.547334][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.547650][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.547961][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.548272][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.548664][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.548984][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.549297][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.549624][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.550053][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.550289][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.550720][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.551073][ T333] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.551386][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.551712][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.552107][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.552436][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.552758][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.553072][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.553385][ T333] ? __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) 
[ 21.553700][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.554082][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.554391][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.554711][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.555018][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.555323][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.555636][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.555942][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 21.556248][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.556562][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.556870][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.557251][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.557577][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.557895][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.558203][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.558515][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.558831][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.559146][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.559457][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.559773][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.560083][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.560397][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.560717][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.561029][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.561342][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.561667][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.561973][ T333] ? 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) 
[ 21.562280][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.562596][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.562905][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.563215][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.563535][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.563845][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.564162][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.564472][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.564788][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.565186][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.565493][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.565806][ T333] ? __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) 
[ 21.566193][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.566501][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.566818][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.567132][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.567435][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.567748][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.568061][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.568364][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.568752][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.569079][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.569389][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.569703][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.570092][  T333] RIP: 0033:0x7f24edb6e1e7
[ 21.570407][ T333] 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)
[   21.571537][  T333] RSP: 002b:00007ffc84b52238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.572010][  T333] RAX: ffffffffffffffda RBX: 00007ffc84b52960 RCX: 00007f24edb6e1e7
[   21.572475][  T333] RDX: 0000000000000000 RSI: 00007ffc84b522a0 RDI: 0000000000000005
[   21.572941][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.573401][  T333] R10: 00000000229c8910 R11: 0000000000000246 R12: 0000000000000004
[   21.573865][  T333] R13: 00000000686e481b R14: 0000000000499600 R15: 0000000000000000
| [   21.814946][  T335] ------------[ cut here ]------------
| [ 21.815255][ T335] WARNING: CPU: 0 PID: 335 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) 
| [   21.815869][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.817042][  T335] Tainted: [W]=WARN
[   21.817279][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.817669][ T335] 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) 
[ 21.817983][ T335] 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
[   21.819113][  T335] RSP: 0018:ffffc90000636ef0 EFLAGS: 00010246
[   21.819504][  T335] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   21.819967][  T335] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   21.820420][  T335] RBP: ffffc90000636fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.820888][  T335] R10: ffffc90000637010 R11: ffffffffb0ca8918 R12: 1ffff920000c6de2
[   21.821347][  T335] R13: 00000000000005dc R14: ffffc90000637010 R15: ffff88800b9f2f08
[   21.821809][  T335] FS:  00007fe712e12800(0000) GS:ffff8880842b7000(0000) knlGS:0000000000000000
[   21.822347][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.822737][  T335] CR2: 00000000004e5aa8 CR3: 000000000aa50004 CR4: 0000000000772ef0
[   21.823198][  T335] PKRU: 55555554
[   21.823433][  T335] Call Trace:
[   21.823672][  T335]  <TASK>
[ 21.823832][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.824140][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.824452][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.824766][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.825148][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.825453][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 21.825772][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.826086][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.826515][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.826756][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.827171][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.827523][ T335] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.827846][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.828157][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.828547][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.828848][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.829157][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.829466][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.829800][ T335] ? __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) 
[ 21.830106][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.830481][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.830794][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.831096][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.831399][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.831710][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.832016][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.832318][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 21.832638][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.832944][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.833246][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.833631][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.833942][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.834250][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.834562][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.834876][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.835186][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.835486][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.835803][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.836107][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.836412][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.836725][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.837036][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.837346][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.837660][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.837977][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.838280][ T335] ? 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) 
[ 21.838594][ T335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.838901][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.839212][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.839522][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.839837][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.840140][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.840448][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.840767][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.841072][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.841459][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 21.841774][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.842077][ T335] ? __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) 
[ 21.842453][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.842765][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.843072][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.843379][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.843689][ T335] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.843996][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.844304][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 21.844610][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.844986][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.845299][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.845640][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.845945][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.846317][  T335] RIP: 0033:0x7fe712fdf1e7
[ 21.846640][ T335] 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)
[   21.847719][  T335] RSP: 002b:00007ffcb505ec88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.848174][  T335] RAX: ffffffffffffffda RBX: 00007ffcb505f3b0 RCX: 00007fe712fdf1e7
[   21.848638][  T335] RDX: 0000000000000000 RSI: 00007ffcb505ecf0 RDI: 0000000000000005
[   21.849098][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.849556][  T335] R10: 0000000025a39910 R11: 0000000000000246 R12: 0000000000000004
[   21.850007][  T335] R13: 00000000686e481b R14: 0000000000499600 R15: 0000000000000000
| [   22.206377][  T338] ------------[ cut here ]------------
| [ 22.206728][ T338] WARNING: CPU: 2 PID: 338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.207350][  T338] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.208574][  T338] Tainted: [W]=WARN
[   22.208816][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.209220][ T338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.209556][ T338] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.210676][  T338] RSP: 0018:ffffc90000b06ef0 EFLAGS: 00010246
[   22.211182][  T338] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   22.211664][  T338] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   22.212135][  T338] RBP: ffffc90000b06fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.212611][  T338] R10: ffffc90000b07010 R11: ffffffffb0ca8918 R12: 1ffff92000160de2
[   22.213102][  T338] R13: 00000000000005dc R14: ffffc90000b07010 R15: ffff88800b9f2f08
[   22.213576][  T338] FS:  00007f31a6ee6800(0000) GS:ffff8880843b7000(0000) knlGS:0000000000000000
[   22.214121][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.214512][  T338] CR2: 00000000004e5ab0 CR3: 0000000009687001 CR4: 0000000000772ef0
[   22.215030][  T338] PKRU: 55555554
[   22.215282][  T338] Call Trace:
[   22.215523][  T338]  <TASK>
[ 22.215709][ T338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.216029][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.216354][ T338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.216694][ T338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.217086][ T338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.217405][ T338] netif_set_mtu (net/core/dev.c:9652) 
[ 22.217735][ T338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.218066][ T338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.218506][ T338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.218784][ T338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.219230][ T338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.219607][ T338] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.219932][ T338] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.220255][ T338] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.220664][ T338] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.220979][ T338] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.221303][ T338] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.221634][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.221957][ T338] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.222276][ T338] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.222696][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.223020][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.223334][ T338] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.223671][ T338] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.223990][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.224309][ T338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.224651][ T338] ? __create_object (mm/kmemleak.c:771) 
[ 22.224974][ T338] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.225290][ T338] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.225618][ T338] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.226008][ T338] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.226340][ T338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.226683][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.227000][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.227321][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.227651][ T338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.227964][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.228284][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.228610][ T338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.228946][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.229269][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.229604][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.229923][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.230242][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.230592][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.230909][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.231233][ T338] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.231565][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.231878][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.232200][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.232518][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.232847][ T338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.233170][ T338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.233497][ T338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.233822][ T338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.234223][ T338] ___sys_sendmsg (net/socket.c:2670) 
[ 22.234554][ T338] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.234878][ T338] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.235268][ T338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.235600][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.235923][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.236246][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.236572][ T338] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.236888][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.237210][ T338] __sys_sendmsg (net/socket.c:2700) 
[ 22.237535][ T338] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.237932][ T338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.238268][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.238606][ T338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.238932][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.239326][  T338] RIP: 0033:0x7f31a70b31e7
[ 22.239666][ T338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.240772][  T338] RSP: 002b:00007ffd69063038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.241245][  T338] RAX: ffffffffffffffda RBX: 00007ffd69063760 RCX: 00007f31a70b31e7
[   22.241720][  T338] RDX: 0000000000000000 RSI: 00007ffd690630a0 RDI: 0000000000000005
[   22.242187][  T338] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.242679][  T338] R10: 000000002845b910 R11: 0000000000000246 R12: 0000000000000004
[   22.243145][  T338] R13: 00000000686e481b R14: 0000000000499600 R15: 0000000000000000
| [   31.220353][  T431] ------------[ cut here ]------------
| [ 31.220686][ T431] WARNING: CPU: 1 PID: 431 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) 
| [   31.221291][  T431] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.222558][  T431] Tainted: [W]=WARN
[   31.222786][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.223167][ T431] 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) 
[ 31.223478][ T431] 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
[   31.224578][  T431] RSP: 0018:ffffc90000c16ef0 EFLAGS: 00010246
[   31.224961][  T431] RAX: 0000000000000000 RBX: ffff88800f16a000 RCX: 0000000000000001
[   31.225411][  T431] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   31.225872][  T431] RBP: ffffc90000c16fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.226330][  T431] R10: ffffc90000c17010 R11: ffffffffb0379160 R12: 1ffff92000182de2
[   31.226788][  T431] R13: 00000000000005dc R14: ffffc90000c17010 R15: ffff88800f16af08
[   31.227242][  T431] FS:  00007f7037741800(0000) GS:ffff888084337000(0000) knlGS:0000000000000000
[   31.227784][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.228172][  T431] CR2: 00000000004e5ce0 CR3: 000000000f092004 CR4: 0000000000772ef0
[   31.228645][  T431] PKRU: 55555554
[   31.228876][  T431] Call Trace:
[   31.229112][  T431]  <TASK>
[ 31.229268][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.229600][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.229916][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.230223][ T431] netif_set_mtu (net/core/dev.c:9652) 
[ 31.230541][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.230859][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.231091][ T431] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.231517][ T431] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.231881][ T431] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.232191][ T431] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.232499][ T431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.232908][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.233212][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.233517][ T431] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.233834][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.234144][ T431] ? __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) 
[ 31.234446][ T431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.234836][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.235143][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.235447][ T431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.235760][ T431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.236065][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.236370][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.236689][ T431] ? __create_object (mm/kmemleak.c:771) 
[ 31.236995][ T431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.237301][ T431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.237612][ T431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.237997][ T431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.238308][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.238627][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.238941][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.239258][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.239570][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.239873][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.240179][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.240483][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.240812][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.241120][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.241428][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.241743][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.242051][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.242366][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.242679][ T431] ? 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) 
[ 31.242983][ T431] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.243288][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.243596][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.243904][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.244213][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.244517][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.244850][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.245158][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.245460][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.245891][ T431] ___sys_sendmsg (net/socket.c:2670) 
[ 31.246198][ T431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.246505][ T431] ? __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) 
[ 31.246893][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.247199][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.247509][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.247826][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.248129][ T431] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.248431][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.248763][ T431] __sys_sendmsg (net/socket.c:2700) 
[ 31.249080][ T431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.249452][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.249777][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.250080][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.250384][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.250770][  T431] RIP: 0033:0x7f703790e1e7
[ 31.251084][ T431] 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)
[   31.252171][  T431] RSP: 002b:00007ffc850f9ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.252647][  T431] RAX: ffffffffffffffda RBX: 00007ffc850fa620 RCX: 00007f703790e1e7
[   31.253098][  T431] RDX: 0000000000000000 RSI: 00007ffc850f9f60 RDI: 0000000000000005
[   31.253560][  T431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.254010][  T431] R10: 00000000347b6910 R11: 0000000000000246 R12: 0000000000000004
[   31.254457][  T431] R13: 00000000686e4824 R14: 0000000000499600 R15: 0000000000000000
| [   31.786900][  T436] ------------[ cut here ]------------
| [ 31.787201][ T436] WARNING: CPU: 1 PID: 436 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) 
| [   31.787811][  T436] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.789314][  T436] Tainted: [W]=WARN
[   31.789561][  T436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.789945][ T436] 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) 
[ 31.790258][ T436] 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
[   31.791370][  T436] RSP: 0018:ffffc900004f6ef0 EFLAGS: 00010246
[   31.791764][  T436] RAX: 0000000000000000 RBX: ffff88800f16a000 RCX: 0000000000000001
[   31.792218][  T436] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   31.792746][  T436] RBP: ffffc900004f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.793233][  T436] R10: ffffc900004f7010 R11: ffffffffb0ca8918 R12: 1ffff9200009ede2
[   31.793719][  T436] R13: 00000000000005dc R14: ffffc900004f7010 R15: ffff88800f16af08
[   31.794203][  T436] FS:  00007f0dfb7e3800(0000) GS:ffff888084337000(0000) knlGS:0000000000000000
[   31.794786][  T436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.795185][  T436] CR2: 00000000004e5de8 CR3: 0000000005afc002 CR4: 0000000000772ef0
[   31.795681][  T436] PKRU: 55555554
[   31.795922][  T436] Call Trace:
[   31.796161][  T436]  <TASK>
[ 31.796326][ T436] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.796661][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.796988][ T436] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.797308][ T436] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.797724][ T436] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.798047][ T436] netif_set_mtu (net/core/dev.c:9652) 
[ 31.798365][ T436] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.798716][ T436] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.799174][ T436] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.799417][ T436] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.799866][ T436] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.800236][ T436] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.800586][ T436] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.800907][ T436] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.801311][ T436] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.801639][ T436] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.801961][ T436] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.802284][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.802638][ T436] ? __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) 
[ 31.802957][ T436] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.803353][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.803683][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.803999][ T436] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.804317][ T436] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.804641][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.804964][ T436] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.805281][ T436] ? __create_object (mm/kmemleak.c:771) 
[ 31.805616][ T436] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.805935][ T436] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.806248][ T436] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.806673][ T436] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.806998][ T436] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.807319][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.807648][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.807970][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.808283][ T436] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.808614][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.808952][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.809271][ T436] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.809600][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.809929][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.810254][ T436] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.810596][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.810919][ T436] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.811249][ T436] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.811577][ T436] ? 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) 
[ 31.811899][ T436] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.812230][ T436] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.812564][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.812887][ T436] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.813208][ T436] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.813540][ T436] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.813868][ T436] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.814192][ T436] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.814510][ T436] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.814947][ T436] ___sys_sendmsg (net/socket.c:2670) 
[ 31.815266][ T436] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.815593][ T436] ? __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) 
[ 31.815990][ T436] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.816313][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.816643][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.816971][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.817294][ T436] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.817626][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.817951][ T436] __sys_sendmsg (net/socket.c:2700) 
[ 31.818267][ T436] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.818690][ T436] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.819034][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.819352][ T436] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.819690][ T436] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.820087][  T436] RIP: 0033:0x7f0dfb9b01e7
[ 31.820419][ T436] 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)
[   31.821564][  T436] RSP: 002b:00007ffc186e1d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.822054][  T436] RAX: ffffffffffffffda RBX: 00007ffc186e24c0 RCX: 00007f0dfb9b01e7
[   31.822560][  T436] RDX: 0000000000000000 RSI: 00007ffc186e1e00 RDI: 0000000000000005
[   31.823040][  T436] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.823520][  T436] R10: 000000000b05d910 R11: 0000000000000246 R12: 0000000000000004
[   31.824014][  T436] R13: 00000000686e4825 R14: 0000000000499600 R15: 0000000000000000
| [   32.058025][  T438] ------------[ cut here ]------------
| [ 32.058354][ T438] WARNING: CPU: 2 PID: 438 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) 
| [   32.059201][  T438] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.060508][  T438] Tainted: [W]=WARN
[   32.060767][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.061159][ T438] 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) 
[ 32.061485][ T438] 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
[   32.062781][  T438] RSP: 0018:ffffc90000ba6ef0 EFLAGS: 00010246
[   32.063176][  T438] RAX: 0000000000000000 RBX: ffff88800f16a000 RCX: 0000000000000001
[   32.063652][  T438] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   32.064129][  T438] RBP: ffffc90000ba6fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.064605][  T438] R10: ffffc90000ba7010 R11: ffffffffb0ca8918 R12: 1ffff92000174de2
[   32.065072][  T438] R13: 00000000000005dc R14: ffffc90000ba7010 R15: ffff88800f16af08
[   32.065546][  T438] FS:  00007fcf54f02800(0000) GS:ffff8880843b7000(0000) knlGS:0000000000000000
[   32.066093][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.066487][  T438] CR2: 00000000004e6890 CR3: 000000000c533005 CR4: 0000000000772ef0
[   32.066965][  T438] PKRU: 55555554
[   32.067208][  T438] Call Trace:
[   32.067448][  T438]  <TASK>
[ 32.067629][ T438] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.067945][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.068274][ T438] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.068600][ T438] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.068998][ T438] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.069319][ T438] netif_set_mtu (net/core/dev.c:9652) 
[ 32.069647][ T438] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.069974][ T438] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.070445][ T438] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.070713][ T438] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.071148][ T438] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.071509][ T438] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.071844][ T438] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.072166][ T438] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.072577][ T438] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.072894][ T438] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.073218][ T438] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.073547][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.073873][ T438] ? __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) 
[ 32.074190][ T438] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.074594][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.074920][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.075235][ T438] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.075567][ T438] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.075884][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.076201][ T438] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.076512][ T438] ? __create_object (mm/kmemleak.c:771) 
[ 32.076842][ T438] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.077158][ T438] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.077475][ T438] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.077882][ T438] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.078207][ T438] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.078536][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.078853][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.079186][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.079502][ T438] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.079825][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.080145][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.080465][ T438] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.080794][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.081114][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.081434][ T438] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.081760][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.082079][ T438] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.082407][ T438] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.082737][ T438] ? 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) 
[ 32.083090][ T438] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.083410][ T438] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.083733][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.084056][ T438] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.084375][ T438] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.084720][ T438] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.085042][ T438] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.085367][ T438] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.085694][ T438] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.086096][ T438] ___sys_sendmsg (net/socket.c:2670) 
[ 32.086410][ T438] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.086735][ T438] ? __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) 
[ 32.087127][ T438] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.087453][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.087783][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.088104][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.088428][ T438] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.088758][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.089100][ T438] __sys_sendmsg (net/socket.c:2700) 
[ 32.089414][ T438] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.089811][ T438] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.090144][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.090462][ T438] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.090790][ T438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.091175][  T438] RIP: 0033:0x7fcf550cf1e7
[ 32.091501][ T438] 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)
[   32.092603][  T438] RSP: 002b:00007ffdad90e958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.093070][  T438] RAX: ffffffffffffffda RBX: 00007ffdad90f080 RCX: 00007fcf550cf1e7
[   32.093545][  T438] RDX: 0000000000000000 RSI: 00007ffdad90e9c0 RDI: 0000000000000005
[   32.094008][  T438] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.094478][  T438] R10: 000000001d78d910 R11: 0000000000000246 R12: 0000000000000004
[   32.094954][  T438] R13: 00000000686e4825 R14: 0000000000499600 R15: 0000000000000000
| [   32.452611][  T441] ------------[ cut here ]------------
| [ 32.453014][ T441] WARNING: CPU: 1 PID: 441 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) 
| [   32.453808][  T441] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.455301][  T441] Tainted: [W]=WARN
[   32.455740][  T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.456142][ T441] 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) 
[ 32.456479][ T441] 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
[   32.457783][  T441] RSP: 0018:ffffc90000c36ef0 EFLAGS: 00010246
[   32.458190][  T441] RAX: 0000000000000000 RBX: ffff88800f16a000 RCX: 0000000000000001
[   32.458841][  T441] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   32.459331][  T441] RBP: ffffc90000c36fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.459992][  T441] R10: ffffc90000c37010 R11: ffffffffb0379160 R12: 1ffff92000186de2
[   32.460446][  T441] R13: 00000000000005dc R14: ffffc90000c37010 R15: ffff88800f16af08
[   32.461120][  T441] FS:  00007ffa714eb800(0000) GS:ffff888084337000(0000) knlGS:0000000000000000
[   32.461843][  T441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.462222][  T441] CR2: 00000000004e6890 CR3: 0000000005afc005 CR4: 0000000000772ef0
[   32.462838][  T441] PKRU: 55555554
[   32.463076][  T441] Call Trace:
[   32.463308][  T441]  <TASK>
[ 32.463480][ T441] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.463960][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.464290][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.464635][ T441] netif_set_mtu (net/core/dev.c:9652) 
[ 32.464945][ T441] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.465275][ T441] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.465506][ T441] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.465951][ T441] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.466312][ T441] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.466645][ T441] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.466954][ T441] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.467350][ T441] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.467684][ T441] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.468001][ T441] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.468314][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.468632][ T441] ? __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) 
[ 32.468951][ T441] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.469332][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.469645][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.469963][ T441] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.470264][ T441] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.470583][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.470888][ T441] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.471188][ T441] ? __create_object (mm/kmemleak.c:771) 
[ 32.471492][ T441] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.471816][ T441] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.472133][ T441] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.472517][ T441] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.472857][ T441] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.473190][ T441] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.473494][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.473825][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.474130][ T441] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.474429][ T441] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.474741][ T441] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.475057][ T441] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.475373][ T441] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.475718][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.476042][ T441] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.476348][ T441] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.476675][ T441] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.476991][ T441] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.477295][ T441] ? 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) 
[ 32.477615][ T441] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.477921][ T441] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.478224][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.478589][ T441] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.478897][ T441] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.479218][ T441] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.479562][ T441] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.479898][ T441] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.480206][ T441] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.480619][ T441] ___sys_sendmsg (net/socket.c:2670) 
[ 32.480926][ T441] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.481230][ T441] ? __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) 
[ 32.481617][ T441] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.481925][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.482232][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.482568][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.482872][ T441] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.483174][ T441] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.483485][ T441] __sys_sendmsg (net/socket.c:2700) 
[ 32.483798][ T441] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.484187][ T441] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.484517][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.484841][ T441] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.485159][ T441] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.485549][  T441] RIP: 0033:0x7ffa716b81e7
[ 32.485863][ T441] 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)
[   32.486992][  T441] RSP: 002b:00007ffd85f54528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.487462][  T441] RAX: ffffffffffffffda RBX: 00007ffd85f54c50 RCX: 00007ffa716b81e7
[   32.487924][  T441] RDX: 0000000000000000 RSI: 00007ffd85f54590 RDI: 0000000000000005
[   32.488387][  T441] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.488852][  T441] R10: 0000000023748910 R11: 0000000000000246 R12: 0000000000000004
[   32.489339][  T441] R13: 00000000686e4826 R14: 0000000000499600 R15: 0000000000000000
| [   72.966513][  T813] ------------[ cut here ]------------
| [ 72.966984][ T813] WARNING: CPU: 3 PID: 813 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) 
| [   72.967594][  T813] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   72.969000][  T813] Tainted: [W]=WARN
[   72.969231][  T813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 72.969615][ T813] 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) 
[ 72.969926][ T813] 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
[   72.971013][  T813] RSP: 0018:ffffc90000cbef70 EFLAGS: 00010246
[   72.971395][  T813] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   72.971861][  T813] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   72.972319][  T813] RBP: ffffc90000cbf058 R08: 0000000000000000 R09: 0000000000000000
[   72.972780][  T813] R10: ffffc90000cbf088 R11: ffffffffad1224d4 R12: 1ffff92000197df2
[   72.973234][  T813] R13: 00000000000005dc R14: ffffc90000cbf088 R15: ffff88800b9f2f08
[   72.973691][  T813] FS:  00007fe700e33800(0000) GS:ffff888084437000(0000) knlGS:0000000000000000
[   72.974224][  T813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.974616][  T813] CR2: 00000000004e5ab0 CR3: 000000000f3ac005 CR4: 0000000000772ef0
[   72.975072][  T813] PKRU: 55555554
[   72.975299][  T813] Call Trace:
[   72.975535][  T813]  <TASK>
[ 72.975692][ T813] ? __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) 
[ 72.976074][ T813] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 72.976420][ T813] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 72.976734][ T813] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 72.977041][ T813] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 72.977344][ T813] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 72.977655][ T813] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 72.977955][ T813] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 72.978257][ T813] ? ___sys_sendmsg (net/socket.c:2670) 
[ 72.978565][ T813] ? __sys_sendmsg (net/socket.c:2700) 
[ 72.978864][ T813] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 72.979179][ T813] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 72.979564][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.979885][ T813] netif_set_mtu (net/core/dev.c:9652) 
[ 72.980193][ T813] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 72.980517][ T813] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 72.980775][ T813] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 72.981201][ T813] br_del_if (net/bridge/br_if.c:743) bridge 
[ 72.981547][ T813] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 72.981851][ T813] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 72.982157][ T813] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 72.982463][ T813] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 72.982854][ T813] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 72.983155][ T813] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 72.983459][ T813] ? __kernel_text_address (kernel/extable.c:79) 
[ 72.983778][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.984083][ T813] ? __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) 
[ 72.984384][ T813] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 72.984770][ T813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.985073][ T813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.985372][ T813] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 72.985684][ T813] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 72.985990][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.986291][ T813] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 72.986599][ T813] ? __create_object (mm/kmemleak.c:771) 
[ 72.986903][ T813] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 72.987207][ T813] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 72.987507][ T813] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 72.987893][ T813] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 72.988205][ T813] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 72.988512][ T813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.988822][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.989143][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.989444][ T813] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 72.989753][ T813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.990057][ T813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.990357][ T813] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 72.990681][ T813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.990991][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.991296][ T813] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 72.991605][ T813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.991909][ T813] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 72.992223][ T813] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 72.992537][ T813] ? 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) 
[ 72.992846][ T813] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 72.993153][ T813] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 72.993455][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.993771][ T813] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 72.994080][ T813] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 72.994383][ T813] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 72.994700][ T813] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 72.995007][ T813] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 72.995313][ T813] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 72.995708][ T813] ___sys_sendmsg (net/socket.c:2670) 
[ 72.996007][ T813] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 72.996309][ T813] ? __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) 
[ 72.996694][ T813] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 72.997001][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.997311][ T813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.997628][ T813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.997931][ T813] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 72.998233][ T813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.998556][ T813] __sys_sendmsg (net/socket.c:2700) 
[ 72.998858][ T813] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 72.999277][ T813] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 72.999618][ T813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.999926][ T813] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.000229][ T813] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.000617][  T813] RIP: 0033:0x7fe7010001e7
[ 73.000928][ T813] 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)
[   73.002018][  T813] RSP: 002b:00007ffd4427ac88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.002475][  T813] RAX: ffffffffffffffda RBX: 00007ffd4427b3b0 RCX: 00007fe7010001e7
[   73.002936][  T813] RDX: 0000000000000000 RSI: 00007ffd4427acf0 RDI: 0000000000000005
[   73.003390][  T813] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   73.003859][  T813] R10: 00007fe700efdee8 R11: 0000000000000246 R12: 0000000000000003
[   73.004312][  T813] R13: 00000000686e484e R14: 0000000000499600 R15: 0000000000000000
| [   73.328881][  T816] ------------[ cut here ]------------
| [ 73.329208][ T816] WARNING: CPU: 3 PID: 816 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) 
| [   73.330295][  T816] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   73.331720][  T816] Tainted: [W]=WARN
[   73.331950][  T816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.332327][ T816] 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) 
[ 73.332654][ T816] 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
[   73.333757][  T816] RSP: 0018:ffffc90000c2ef70 EFLAGS: 00010246
[   73.334141][  T816] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   73.334606][  T816] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   73.335059][  T816] RBP: ffffc90000c2f058 R08: 0000000000000000 R09: 0000000000000000
[   73.335519][  T816] R10: ffffc90000c2f088 R11: ffffffffb0379160 R12: 1ffff92000185df2
[   73.335978][  T816] R13: 00000000000005dc R14: ffffc90000c2f088 R15: ffff88800b9f2f08
[   73.336443][  T816] FS:  00007fd51ddeb800(0000) GS:ffff888084437000(0000) knlGS:0000000000000000
[   73.336978][  T816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.337362][  T816] CR2: 00000000004e5aa8 CR3: 00000000029f2003 CR4: 0000000000772ef0
[   73.337835][  T816] PKRU: 55555554
[   73.338067][  T816] Call Trace:
[   73.338295][  T816]  <TASK>
[ 73.338447][ T816] ? __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) 
[ 73.338839][ T816] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 73.339204][ T816] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 73.339507][ T816] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.339817][ T816] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.340121][ T816] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 73.340425][ T816] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.340732][ T816] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.341039][ T816] ? ___sys_sendmsg (net/socket.c:2670) 
[ 73.341343][ T816] ? __sys_sendmsg (net/socket.c:2700) 
[ 73.341665][ T816] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.341965][ T816] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 73.342347][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.342670][ T816] netif_set_mtu (net/core/dev.c:9652) 
[ 73.342973][ T816] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.343295][ T816] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.343540][ T816] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 73.343954][ T816] br_del_if (net/bridge/br_if.c:743) bridge 
[ 73.344292][ T816] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 73.344610][ T816] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 73.344916][ T816] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.345227][ T816] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 73.345627][ T816] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.345934][ T816] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.346235][ T816] ? __kernel_text_address (kernel/extable.c:79) 
[ 73.346549][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.346859][ T816] ? __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) 
[ 73.347162][ T816] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 73.347544][ T816] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.347848][ T816] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.348155][ T816] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 73.348454][ T816] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 73.348764][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.349088][ T816] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.349389][ T816] ? __create_object (mm/kmemleak.c:771) 
[ 73.349713][ T816] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.350019][ T816] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 73.350323][ T816] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 73.350712][ T816] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 73.351022][ T816] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.351329][ T816] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.351639][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.351954][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.352257][ T816] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.352565][ T816] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.352876][ T816] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.353180][ T816] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.353483][ T816] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.353811][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.354127][ T816] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.354432][ T816] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.354763][ T816] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.355082][ T816] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.355392][ T816] ? 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) 
[ 73.355708][ T816] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 73.356014][ T816] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.356318][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.356634][ T816] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.356941][ T816] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.357246][ T816] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.357581][ T816] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.357895][ T816] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.358201][ T816] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.358596][ T816] ___sys_sendmsg (net/socket.c:2670) 
[ 73.358896][ T816] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 73.359211][ T816] ? __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) 
[ 73.359596][ T816] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.359909][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.360219][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.360545][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.360849][ T816] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 73.361150][ T816] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.361464][ T816] __sys_sendmsg (net/socket.c:2700) 
[ 73.361787][ T816] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 73.362176][ T816] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.362490][ T816] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.362804][ T816] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.363109][ T816] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.363488][  T816] RIP: 0033:0x7fd51dfb81e7
[ 73.363814][ T816] 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)
[   73.364914][  T816] RSP: 002b:00007ffe0e3ece58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.365380][  T816] RAX: ffffffffffffffda RBX: 00007ffe0e3ed580 RCX: 00007fd51dfb81e7
[   73.365859][  T816] RDX: 0000000000000000 RSI: 00007ffe0e3ecec0 RDI: 0000000000000005
[   73.366322][  T816] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   73.366788][  T816] R10: 00007fd51deb5ee8 R11: 0000000000000246 R12: 0000000000000003
[   73.367243][  T816] R13: 00000000686e484f R14: 0000000000499600 R15: 0000000000000000
| [   73.596775][  T818] ------------[ cut here ]------------
| [ 73.597113][ T818] WARNING: CPU: 2 PID: 818 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) 
| [   73.597739][  T818] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   73.599198][  T818] Tainted: [W]=WARN
[   73.599447][  T818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.599852][ T818] 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) 
[ 73.600177][ T818] 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
[   73.602186][  T818] RSP: 0018:ffffc90000cdef70 EFLAGS: 00010246
[   73.602604][  T818] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   73.603081][  T818] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   73.603551][  T818] RBP: ffffc90000cdf058 R08: 0000000000000000 R09: 0000000000000000
[   73.604018][  T818] R10: ffffc90000cdf088 R11: ffffffffb0379160 R12: 1ffff9200019bdf2
[   73.604484][  T818] R13: 00000000000005dc R14: ffffc90000cdf088 R15: ffff88800b9f2f08
[   73.604967][  T818] FS:  00007fdc2c6c7800(0000) GS:ffff8880843b7000(0000) knlGS:0000000000000000
[   73.605508][  T818] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.605907][  T818] CR2: 00000000004e5de8 CR3: 000000000f055003 CR4: 0000000000772ef0
[   73.606373][  T818] PKRU: 55555554
[   73.606636][  T818] Call Trace:
[   73.606878][  T818]  <TASK>
[ 73.607043][ T818] ? __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) 
[ 73.607436][ T818] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 73.607801][ T818] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 73.608121][ T818] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.608434][ T818] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.608759][ T818] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 73.609107][ T818] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.609424][ T818] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.609751][ T818] ? ___sys_sendmsg (net/socket.c:2670) 
[ 73.610066][ T818] ? __sys_sendmsg (net/socket.c:2700) 
[ 73.610379][ T818] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.610704][ T818] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 73.611091][ T818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.611417][ T818] netif_set_mtu (net/core/dev.c:9652) 
[ 73.611754][ T818] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.612088][ T818] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.612329][ T818] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 73.612774][ T818] br_del_if (net/bridge/br_if.c:743) bridge 
[ 73.613122][ T818] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 73.613438][ T818] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 73.613769][ T818] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.614104][ T818] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 73.614499][ T818] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.614825][ T818] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.615139][ T818] ? __kernel_text_address (kernel/extable.c:79) 
[ 73.615458][ T818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.615802][ T818] ? __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) 
[ 73.616117][ T818] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 73.616513][ T818] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.616843][ T818] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.617159][ T818] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 73.617474][ T818] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 73.617798][ T818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.618115][ T818] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.618428][ T818] ? __create_object (mm/kmemleak.c:771) 
[ 73.618755][ T818] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.619100][ T818] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 73.619415][ T818] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 73.619815][ T818] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 73.620137][ T818] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.620462][ T818] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.620785][ T818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.621109][ T818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.621429][ T818] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.621756][ T818] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.622072][ T818] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.622388][ T818] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.622712][ T818] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.623031][ T818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.623349][ T818] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.623677][ T818] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.623998][ T818] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.624325][ T818] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.624647][ T818] ? 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) 
[ 73.624966][ T818] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 73.625285][ T818] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.625620][ T818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.625942][ T818] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.626269][ T818] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.626596][ T818] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.626919][ T818] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.627237][ T818] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.627562][ T818] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.627962][ T818] ___sys_sendmsg (net/socket.c:2670) 
[ 73.628276][ T818] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 73.628610][ T818] ? __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) 
[ 73.629024][ T818] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.629344][ T818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.629675][ T818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.629997][ T818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.630312][ T818] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 73.630639][ T818] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.630969][ T818] __sys_sendmsg (net/socket.c:2700) 
[ 73.631281][ T818] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 73.631681][ T818] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.632008][ T818] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.632324][ T818] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.632650][ T818] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.633037][  T818] RIP: 0033:0x7fdc2c8941e7
[ 73.633367][ T818] 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)
[   73.634463][  T818] RSP: 002b:00007fff61334268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.634941][  T818] RAX: ffffffffffffffda RBX: 00007fff61334990 RCX: 00007fdc2c8941e7
[   73.635412][  T818] RDX: 0000000000000000 RSI: 00007fff613342d0 RDI: 0000000000000005
[   73.635886][  T818] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   73.636354][  T818] R10: 00007fdc2c791ee8 R11: 0000000000000246 R12: 0000000000000003
[   73.636827][  T818] R13: 00000000686e484f R14: 0000000000499600 R15: 0000000000000000
| [   74.103347][  T822] ------------[ cut here ]------------
| [ 74.103710][ T822] WARNING: CPU: 3 PID: 822 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) 
| [   74.104346][  T822] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   74.106015][  T822] Tainted: [W]=WARN
[   74.106303][  T822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.106716][ T822] 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) 
[ 74.107075][ T822] 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
[   74.108442][  T822] RSP: 0018:ffffc90000d0ef70 EFLAGS: 00010246
[   74.109096][  T822] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   74.109590][  T822] RDX: 0000000000000000 RSI: ffffffffafe9b941 RDI: ffffffffaf6555e0
[   74.110065][  T822] RBP: ffffc90000d0f058 R08: 0000000000000000 R09: 0000000000000000
[   74.112309][  T822] R10: ffffc90000d0f088 R11: ffffffffb0379160 R12: 1ffff920001a1df2
[   74.112826][  T822] R13: 00000000000005dc R14: ffffc90000d0f088 R15: ffff88800b9f2f08
[   74.113305][  T822] FS:  00007f4d43987800(0000) GS:ffff888084437000(0000) knlGS:0000000000000000
[   74.113896][  T822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.114288][  T822] CR2: 00000000004e5ce0 CR3: 000000000f478001 CR4: 0000000000772ef0
[   74.114761][  T822] PKRU: 55555554
[   74.115002][  T822] Call Trace:
[   74.115239][  T822]  <TASK>
[ 74.115400][ T822] ? __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) 
[ 74.115807][ T822] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 74.116170][ T822] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 74.116489][ T822] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.116822][ T822] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.117151][ T822] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 74.117470][ T822] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.117800][ T822] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.118119][ T822] ? ___sys_sendmsg (net/socket.c:2670) 
[ 74.118435][ T822] ? __sys_sendmsg (net/socket.c:2700) 
[ 74.118763][ T822] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.119090][ T822] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 74.119486][ T822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.119826][ T822] netif_set_mtu (net/core/dev.c:9652) 
[ 74.120145][ T822] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.120479][ T822] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.120726][ T822] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 74.121161][ T822] br_del_if (net/bridge/br_if.c:743) bridge 
[ 74.121512][ T822] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 74.121837][ T822] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 74.122159][ T822] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.122485][ T822] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.122898][ T822] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.123226][ T822] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.123555][ T822] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.123879][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.124203][ T822] ? __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) 
[ 74.124537][ T822] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.124930][ T822] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.125248][ T822] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.125573][ T822] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.125890][ T822] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.126212][ T822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.126541][ T822] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.126856][ T822] ? __create_object (mm/kmemleak.c:771) 
[ 74.127184][ T822] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.127503][ T822] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.127848][ T822] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.128245][ T822] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.128575][ T822] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.128900][ T822] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.129225][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.129558][ T822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.129886][ T822] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.130199][ T822] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.130520][ T822] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.130851][ T822] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.131176][ T822] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.131500][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.131834][ T822] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.132162][ T822] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.132482][ T822] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.132821][ T822] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.133139][ T822] ? 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) 
[ 74.133459][ T822] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 74.133790][ T822] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.134107][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.134440][ T822] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.134772][ T822] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.135094][ T822] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.135422][ T822] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.135754][ T822] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.136072][ T822] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.136484][ T822] ___sys_sendmsg (net/socket.c:2670) 
[ 74.136816][ T822] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.137136][ T822] ? __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) 
[ 74.137551][ T822] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.137876][ T822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.138199][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.138521][ T822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.138857][ T822] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.139189][ T822] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.139514][ T822] __sys_sendmsg (net/socket.c:2700) 
[ 74.139846][ T822] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.140240][ T822] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.140576][ T822] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.140894][ T822] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.141213][ T822] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.141616][  T822] RIP: 0033:0x7f4d43b541e7
[ 74.141948][ T822] 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)
[   74.143123][  T822] RSP: 002b:00007ffdd381ad98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.143621][  T822] RAX: ffffffffffffffda RBX: 00007ffdd381b4c0 RCX: 00007f4d43b541e7
[   74.144104][  T822] RDX: 0000000000000000 RSI: 00007ffdd381ae00 RDI: 0000000000000005
[   74.144592][  T822] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   74.145068][  T822] R10: 00007f4d43a51ee8 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