======================================
| [   21.055361][  T330] br1: port 1(vx10) entered forwarding state
| [   21.057242][  T330] ------------[ cut here ]------------
| [ 21.057564][ T330] WARNING: CPU: 3 PID: 330 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) 
| [   21.058185][  T330] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   21.059397][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.059784][ T330] 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) 
[ 21.060105][ T330] 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
[   21.061387][  T330] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   21.061781][  T330] RAX: 0000000000000000 RBX: ffff888004fc2000 RCX: 0000000000000001
[   21.062253][  T330] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   21.062714][  T330] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.063187][  T330] R10: ffffc90000597010 R11: ffffffffb70a8918 R12: 1ffff920000b2de2
[   21.063652][  T330] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888004fc2f08
[   21.064116][  T330] FS:  00007ff0ff578800(0000) GS:ffff888077237000(0000) knlGS:0000000000000000
[   21.064840][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.065444][  T330] CR2: 00000000004e5ce0 CR3: 000000000ca03002 CR4: 0000000000772ef0
[   21.065916][  T330] PKRU: 55555554
[   21.066330][  T330] Call Trace:
[   21.066566][  T330]  <TASK>
[ 21.066728][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.067039][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.067380][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.067689][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.068073][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.068399][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.068711][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.069028][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.069476][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.069715][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.070147][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.070505][ T330] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.070818][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.071134][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.071541][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.071852][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.072176][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.072488][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.072805][ T330] ? __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) 
[ 21.073120][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.073506][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.073816][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.074122][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.074441][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.074750][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.075071][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.075392][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 21.075703][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.076015][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.076340][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.076733][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.077050][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.077376][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.077697][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.078012][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.078328][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.078634][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.078939][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.079254][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.079568][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.079877][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.080211][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.080527][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.080833][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.081164][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.081469][ T330] ? 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) 
[ 21.081779][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.082097][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.082409][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.082722][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.083035][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.083355][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.083673][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.083984][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.084308][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.084718][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 21.085031][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.085353][ T330] ? __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) 
[ 21.085734][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.086051][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.086374][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.086692][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.086999][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.087319][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.087643][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 21.087949][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.088354][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.088670][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.088986][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.089303][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.089693][  T330] RIP: 0033:0x7ff0ff7451e7
[ 21.090015][ T330] 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)
[   21.091145][  T330] RSP: 002b:00007ffc5d31ea08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.091615][  T330] RAX: ffffffffffffffda RBX: 00007ffc5d31f130 RCX: 00007ff0ff7451e7
[   21.092087][  T330] RDX: 0000000000000000 RSI: 00007ffc5d31ea70 RDI: 0000000000000005
[   21.092564][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.093032][  T330] R10: 0000000007de9910 R11: 0000000000000246 R12: 0000000000000004
[   21.093505][  T330] R13: 00000000686e1349 R14: 0000000000499600 R15: 0000000000000000
| [   21.645430][  T335] ------------[ cut here ]------------
| [ 21.645756][ T335] WARNING: CPU: 2 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) 
| [   21.646478][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.647710][  T335] Tainted: [W]=WARN
[   21.647963][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.648389][ 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) 
[ 21.648733][ 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
[   21.649857][  T335] RSP: 0018:ffffc900006c6ef0 EFLAGS: 00010246
[   21.650267][  T335] RAX: 0000000000000000 RBX: ffff888004fc2000 RCX: 0000000000000001
[   21.650744][  T335] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   21.651239][  T335] RBP: ffffc900006c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.651717][  T335] R10: ffffc900006c7010 R11: ffffffffb70a8918 R12: 1ffff920000d8de2
[   21.652218][  T335] R13: 00000000000005dc R14: ffffc900006c7010 R15: ffff888004fc2f08
[   21.652700][  T335] FS:  00007f646a3ad800(0000) GS:ffff8880771b7000(0000) knlGS:0000000000000000
[   21.653285][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.653691][  T335] CR2: 00000000004e5de8 CR3: 000000000cc94002 CR4: 0000000000772ef0
[   21.654176][  T335] PKRU: 55555554
[   21.654421][  T335] Call Trace:
[   21.654666][  T335]  <TASK>
[ 21.654840][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.655196][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.655526][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.655848][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.656256][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.656585][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 21.656909][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.657253][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.657707][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.657959][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.658408][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.658780][ T335] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.659105][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.659437][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.659837][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.660176][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.660496][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.660821][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.661156][ 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) 
[ 21.661480][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.661877][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.662214][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.662539][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.662864][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.663203][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.663524][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.663841][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 21.664177][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.664496][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.664812][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.665288][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.665619][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.665944][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.666274][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.666598][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.666921][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.667247][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.667578][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.667894][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.668223][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.668546][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.668870][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.669203][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.669528][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.669858][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.670190][ 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) 
[ 21.670511][ T335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.670833][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.671161][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.671484][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.671808][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.672127][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.672477][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.672802][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.673121][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.673541][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 21.673858][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.674186][ 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) 
[ 21.674582][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.674908][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.675257][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.675587][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.675913][ 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) 
[ 21.676246][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.676579][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 21.676897][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.677311][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.677646][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.677972][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.678310][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.678710][  T335] RIP: 0033:0x7f646a57a1e7
[ 21.679045][ 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)
[   21.680183][  T335] RSP: 002b:00007ffe7ea97808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.680666][  T335] RAX: ffffffffffffffda RBX: 00007ffe7ea97f30 RCX: 00007f646a57a1e7
[   21.681148][  T335] RDX: 0000000000000000 RSI: 00007ffe7ea97870 RDI: 0000000000000005
[   21.681632][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.682103][  T335] R10: 00000000145af910 R11: 0000000000000246 R12: 0000000000000004
[   21.682602][  T335] R13: 00000000686e134a R14: 0000000000499600 R15: 0000000000000000
| [   21.917023][  T337] ------------[ cut here ]------------
| [ 21.917345][ T337] WARNING: CPU: 3 PID: 337 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.917942][  T337] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.919114][  T337] Tainted: [W]=WARN
[   21.919352][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.919730][ T337] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.920041][ T337] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.921126][  T337] RSP: 0018:ffffc900006b6ef0 EFLAGS: 00010246
[   21.921541][  T337] RAX: 0000000000000000 RBX: ffff888004fc2000 RCX: 0000000000000001
[   21.921997][  T337] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   21.922494][  T337] RBP: ffffc900006b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.922959][  T337] R10: ffffc900006b7010 R11: ffffffffb70a8918 R12: 1ffff920000d6de2
[   21.923428][  T337] R13: 00000000000005dc R14: ffffc900006b7010 R15: ffff888004fc2f08
[   21.923882][  T337] FS:  00007f16e514e800(0000) GS:ffff888077237000(0000) knlGS:0000000000000000
[   21.924425][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.924813][  T337] CR2: 00000000004e5aa8 CR3: 000000000cc8d005 CR4: 0000000000772ef0
[   21.925306][  T337] PKRU: 55555554
[   21.925536][  T337] Call Trace:
[   21.925768][  T337]  <TASK>
[ 21.926018][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.926344][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.926662][ T337] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.926967][ T337] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.927367][ T337] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.927675][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 21.927981][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.928307][ T337] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.928739][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.928970][ T337] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.929406][ T337] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.929762][ T337] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.930077][ T337] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.930394][ T337] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.930783][ T337] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.931085][ T337] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.931398][ T337] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.931720][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.932028][ T337] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.932339][ T337] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.932715][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.933023][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.933336][ T337] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.933642][ T337] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.933952][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.934266][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.934567][ T337] ? __create_object (mm/kmemleak.c:771) 
[ 21.934877][ T337] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.935202][ T337] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.935506][ T337] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.935885][ T337] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.936205][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.936520][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.936824][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.937135][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.937452][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.937754][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.938062][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.938375][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.938687][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.938998][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.939317][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.939624][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.939932][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.940257][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.940560][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.940866][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.941190][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.941493][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.941801][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.942111][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.942423][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.942737][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.943047][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.943364][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.943757][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 21.944061][ T337] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.944376][ T337] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.944757][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.945077][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.945396][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.945712][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.946021][ T337] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.946337][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.946658][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 21.946963][ T337] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.947353][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.947671][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.947983][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.948296][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.948735][  T337] RIP: 0033:0x7f16e531b1e7
[ 21.949051][ T337] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.950154][  T337] RSP: 002b:00007ffea03469e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.950614][  T337] RAX: ffffffffffffffda RBX: 00007ffea0347110 RCX: 00007f16e531b1e7
[   21.951072][  T337] RDX: 0000000000000000 RSI: 00007ffea0346a50 RDI: 0000000000000005
[   21.951544][  T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.952002][  T337] R10: 0000000006245910 R11: 0000000000000246 R12: 0000000000000004
[   21.952477][  T337] R13: 00000000686e134a R14: 0000000000499600 R15: 0000000000000000
| [   22.316988][  T340] ------------[ cut here ]------------
| [ 22.317518][ T340] WARNING: CPU: 2 PID: 340 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) 
| [   22.318312][  T340] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.319969][  T340] Tainted: [W]=WARN
[   22.320417][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.320937][ T340] 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) 
[ 22.321279][ T340] 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
[   22.322406][  T340] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   22.322808][  T340] RAX: 0000000000000000 RBX: ffff888004fc2000 RCX: 0000000000000001
[   22.323296][  T340] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   22.323769][  T340] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.324293][  T340] R10: ffffc90000577010 R11: ffffffffb70a8918 R12: 1ffff920000aede2
[   22.324809][  T340] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff888004fc2f08
[   22.325324][  T340] FS:  00007f59ab059800(0000) GS:ffff8880771b7000(0000) knlGS:0000000000000000
[   22.325874][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.326292][  T340] CR2: 00000000004e5ab0 CR3: 000000000cc94003 CR4: 0000000000772ef0
[   22.326777][  T340] PKRU: 55555554
[   22.327022][  T340] Call Trace:
[   22.327279][  T340]  <TASK>
[ 22.327453][ T340] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.327778][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.328113][ T340] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.328454][ T340] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.328873][ T340] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.329209][ T340] netif_set_mtu (net/core/dev.c:9652) 
[ 22.329539][ T340] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.329873][ T340] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.330332][ T340] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.330578][ T340] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.331011][ T340] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.331401][ T340] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.331728][ T340] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.332055][ T340] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.332468][ T340] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.332787][ T340] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.333105][ T340] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.333437][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.333767][ T340] ? __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) 
[ 22.334097][ T340] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.334504][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.334824][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.335158][ T340] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.335476][ T340] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.335795][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.336125][ T340] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.336456][ T340] ? __create_object (mm/kmemleak.c:771) 
[ 22.336778][ T340] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.337096][ T340] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.337423][ T340] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.337815][ T340] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.338135][ T340] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.338487][ T340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.338810][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.339134][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.339467][ T340] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.339792][ T340] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.340112][ T340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.340450][ T340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.340773][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.341099][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.341433][ T340] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.341756][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.342075][ T340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.342416][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.342736][ T340] ? 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) 
[ 22.343054][ T340] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.343405][ T340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.343722][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.344045][ T340] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.344378][ T340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.344701][ T340] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.345033][ T340] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.345373][ T340] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.345689][ T340] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.346097][ T340] ___sys_sendmsg (net/socket.c:2670) 
[ 22.346425][ T340] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.346744][ T340] ? __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) 
[ 22.347134][ T340] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.347464][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.347784][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.348105][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.348440][ T340] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.348759][ T340] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.349085][ T340] __sys_sendmsg (net/socket.c:2700) 
[ 22.349408][ T340] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.349799][ T340] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.350128][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.350460][ T340] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.350781][ T340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.351185][  T340] RIP: 0033:0x7f59ab2261e7
[ 22.351541][ T340] 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)
[   22.352653][  T340] RSP: 002b:00007ffe7c523a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.353390][  T340] RAX: ffffffffffffffda RBX: 00007ffe7c524160 RCX: 00007f59ab2261e7
[   22.353860][  T340] RDX: 0000000000000000 RSI: 00007ffe7c523aa0 RDI: 0000000000000005
[   22.354334][  T340] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.354798][  T340] R10: 00000000088a7910 R11: 0000000000000246 R12: 0000000000000004
[   22.355289][  T340] R13: 00000000686e134b R14: 0000000000499600 R15: 0000000000000000
| [   31.564746][  T425] ------------[ cut here ]------------
| [ 31.565238][ T425] WARNING: CPU: 2 PID: 425 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) 
| [   31.566107][  T425] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.567826][  T425] Tainted: [W]=WARN
[   31.568109][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.568589][ T425] 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) 
[ 31.569018][ T425] 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
[   31.570294][  T425] RSP: 0018:ffffc900006a6ef0 EFLAGS: 00010246
[   31.570806][  T425] RAX: 0000000000000000 RBX: ffff88800bd7a000 RCX: 0000000000000001
[   31.571540][  T425] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   31.572157][  T425] RBP: ffffc900006a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.572771][  T425] R10: ffffc900006a7010 R11: ffffffffb6779160 R12: 1ffff920000d4de2
[   31.573412][  T425] R13: 00000000000005dc R14: ffffc900006a7010 R15: ffff88800bd7af08
[   31.573943][  T425] FS:  00007fabaa242800(0000) GS:ffff8880771b7000(0000) knlGS:0000000000000000
[   31.574600][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.575074][  T425] CR2: 00000000004e5ce0 CR3: 00000000102dd005 CR4: 0000000000772ef0
[   31.575651][  T425] PKRU: 55555554
[   31.575933][  T425] Call Trace:
[   31.576220][  T425]  <TASK>
[ 31.576419][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.576815][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.577188][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.577549][ T425] netif_set_mtu (net/core/dev.c:9652) 
[ 31.577896][ T425] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.578269][ T425] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.578533][ T425] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.579086][ T425] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.579501][ T425] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.579898][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.580347][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.580772][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.581131][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.581492][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.581920][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.582306][ T425] ? __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) 
[ 31.582792][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.583288][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.583636][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.583985][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.584333][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.584668][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.585004][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.585359][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 31.585701][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.586038][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.586415][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.586840][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.587205][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.587548][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.587956][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.588410][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.588807][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.589151][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.589487][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.589850][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.590224][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.590586][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.590927][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.591332][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.591674][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.592023][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.592447][ T425] ? 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) 
[ 31.592790][ T425] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.593130][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.593479][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.593818][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.594244][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.594617][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.594985][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.595372][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.595756][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.596278][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 31.596702][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.597117][ T425] ? __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) 
[ 31.597545][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.598066][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.598495][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.598933][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.599352][ T425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.599697][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.600042][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 31.600466][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.600905][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.601272][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.601642][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.601982][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.602405][  T425] RIP: 0033:0x7fabaa40f1e7
[ 31.602771][ T425] 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)
[   31.604035][  T425] RSP: 002b:00007ffca836be28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.604616][  T425] RAX: ffffffffffffffda RBX: 00007ffca836c550 RCX: 00007fabaa40f1e7
[   31.605237][  T425] RDX: 0000000000000000 RSI: 00007ffca836be90 RDI: 0000000000000005
[   31.605764][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.606327][  T425] R10: 0000000014e6b910 R11: 0000000000000246 R12: 0000000000000004
[   31.606815][  T425] R13: 00000000686e1354 R14: 0000000000499600 R15: 0000000000000000
| [   32.163934][  T429] ------------[ cut here ]------------
| [ 32.164359][ T429] WARNING: CPU: 2 PID: 429 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) 
| [   32.165067][  T429] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.166627][  T429] Tainted: [W]=WARN
[   32.166957][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.167426][ T429] 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) 
[ 32.167855][ T429] 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
[   32.169118][  T429] RSP: 0018:ffffc900009f6ef0 EFLAGS: 00010246
[   32.169594][  T429] RAX: 0000000000000000 RBX: ffff88800bd7a000 RCX: 0000000000000001
[   32.170221][  T429] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   32.170793][  T429] RBP: ffffc900009f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.171350][  T429] R10: ffffc900009f7010 R11: ffffffffb6779160 R12: 1ffff9200013ede2
[   32.171889][  T429] R13: 00000000000005dc R14: ffffc900009f7010 R15: ffff88800bd7af08
[   32.172700][  T429] FS:  00007f02379be800(0000) GS:ffff8880771b7000(0000) knlGS:0000000000000000
[   32.173721][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.174402][  T429] CR2: 00000000004e5de8 CR3: 0000000002738002 CR4: 0000000000772ef0
[   32.175122][  T429] PKRU: 55555554
[   32.175586][  T429] Call Trace:
[   32.176014][  T429]  <TASK>
[ 32.176287][ T429] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.176813][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.177201][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.177565][ T429] netif_set_mtu (net/core/dev.c:9652) 
[ 32.177924][ T429] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.178362][ T429] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.178709][ T429] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.179347][ T429] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.179790][ T429] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.180250][ T429] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.180617][ T429] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.181205][ T429] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.181615][ T429] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.182009][ T429] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.182364][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.182863][ T429] ? __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) 
[ 32.183209][ T429] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.183699][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.184026][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.184354][ T429] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.184684][ T429] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.185007][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.185405][ T429] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.185731][ T429] ? __create_object (mm/kmemleak.c:771) 
[ 32.186050][ T429] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.186395][ T429] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.186769][ T429] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.187187][ T429] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.187532][ T429] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.187939][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.188267][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.188674][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.188994][ T429] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.189319][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.189639][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.190034][ T429] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.190375][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.190695][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.191025][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.191420][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.191747][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.192185][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.192523][ T429] ? 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) 
[ 32.192851][ T429] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.193202][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.193524][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.193848][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.194184][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.194503][ T429] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.194825][ T429] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.195272][ T429] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.195592][ T429] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.196020][ T429] ___sys_sendmsg (net/socket.c:2670) 
[ 32.196356][ T429] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.196674][ T429] ? __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) 
[ 32.197114][ T429] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.197521][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.197852][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.198193][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.198533][ T429] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.198852][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.199281][ T429] __sys_sendmsg (net/socket.c:2700) 
[ 32.199768][ T429] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.200170][ T429] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.200507][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.200827][ T429] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.201166][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.201560][  T429] RIP: 0033:0x7f0237b8b1e7
[ 32.201892][ T429] 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)
[   32.203009][  T429] RSP: 002b:00007fff8ccb62c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.203506][  T429] RAX: ffffffffffffffda RBX: 00007fff8ccb69f0 RCX: 00007f0237b8b1e7
[   32.204000][  T429] RDX: 0000000000000000 RSI: 00007fff8ccb6330 RDI: 0000000000000005
[   32.204478][  T429] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.204949][  T429] R10: 0000000031eea910 R11: 0000000000000246 R12: 0000000000000004
[   32.205445][  T429] R13: 00000000686e1354 R14: 0000000000499600 R15: 0000000000000000
| [   32.488074][  T431] ------------[ cut here ]------------
| [ 32.488645][ 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) 
| [   32.489820][  T431] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.492095][  T431] Tainted: [W]=WARN
[   32.492542][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.493249][ 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) 
[ 32.493831][ 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
[   32.495848][  T431] RSP: 0018:ffffc90000a16ef0 EFLAGS: 00010246
[   32.496589][  T431] RAX: 0000000000000000 RBX: ffff88800bd7a000 RCX: 0000000000000001
[   32.497427][  T431] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   32.498264][  T431] RBP: ffffc90000a16fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.499077][  T431] R10: ffffc90000a17010 R11: ffffffffb70a8918 R12: 1ffff92000142de2
[   32.499927][  T431] R13: 00000000000005dc R14: ffffc90000a17010 R15: ffff88800bd7af08
[   32.500749][  T431] FS:  00007fcaca369800(0000) GS:ffff888077137000(0000) knlGS:0000000000000000
[   32.501717][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.502433][  T431] CR2: 00000000004e6890 CR3: 000000000b897001 CR4: 0000000000772ef0
[   32.503291][  T431] PKRU: 55555554
[   32.503719][  T431] Call Trace:
[   32.504105][  T431]  <TASK>
[ 32.504409][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.504976][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.505578][ T431] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.506133][ T431] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.506822][ T431] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.507387][ T431] netif_set_mtu (net/core/dev.c:9652) 
[ 32.507961][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.508548][ T431] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.509325][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.509718][ T431] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.510488][ T431] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.511125][ T431] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.511725][ T431] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.512307][ T431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.513111][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.513676][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.514224][ T431] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.514785][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.515364][ 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) 
[ 32.515920][ T431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.516610][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.517178][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.517714][ T431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.518269][ T431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.518812][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.519373][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.519918][ T431] ? __create_object (mm/kmemleak.c:771) 
[ 32.520465][ T431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.521004][ T431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.521551][ T431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.522205][ T431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.522756][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.523327][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.523870][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.524456][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.525001][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.525576][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.526120][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.526676][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.527202][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.527761][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.528347][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.528832][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.529175][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.529497][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.529800][ 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) 
[ 32.530118][ T431] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.530440][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.530745][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.531071][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.531392][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.531697][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.532021][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.532342][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.532645][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.533052][ T431] ___sys_sendmsg (net/socket.c:2670) 
[ 32.533376][ T431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.533682][ 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) 
[ 32.534074][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.534395][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.534706][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.535048][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.535605][ 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) 
[ 32.536174][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.536737][ T431] __sys_sendmsg (net/socket.c:2700) 
[ 32.537296][ T431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.537968][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.538550][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.539087][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.539644][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.540092][  T431] RIP: 0033:0x7fcaca5361e7
[ 32.540424][ 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)
[   32.541544][  T431] RSP: 002b:00007fff60875f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.542016][  T431] RAX: ffffffffffffffda RBX: 00007fff60876680 RCX: 00007fcaca5361e7
[   32.542498][  T431] RDX: 0000000000000000 RSI: 00007fff60875fc0 RDI: 0000000000000005
[   32.542955][  T431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.543764][  T431] R10: 000000001977c910 R11: 0000000000000246 R12: 0000000000000004
[   32.544592][  T431] R13: 00000000686e1355 R14: 0000000000499600 R15: 0000000000000000
| [   32.888883][  T434] ------------[ cut here ]------------
| [ 32.889746][ T434] WARNING: CPU: 2 PID: 434 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) 
| [   32.890477][  T434] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.891929][  T434] Tainted: [W]=WARN
[   32.892239][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.892697][ T434] 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) 
[ 32.893074][ T434] 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
[   32.894318][  T434] RSP: 0018:ffffc90000a66ef0 EFLAGS: 00010246
[   32.894772][  T434] RAX: 0000000000000000 RBX: ffff88800bd7a000 RCX: 0000000000000001
[   32.895332][  T434] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   32.895865][  T434] RBP: ffffc90000a66fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.896430][  T434] R10: ffffc90000a67010 R11: ffffffffb70a8918 R12: 1ffff9200014cde2
[   32.896966][  T434] R13: 00000000000005dc R14: ffffc90000a67010 R15: ffff88800bd7af08
[   32.897523][  T434] FS:  00007f2824922800(0000) GS:ffff8880771b7000(0000) knlGS:0000000000000000
[   32.898153][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.898608][  T434] CR2: 00000000004e6890 CR3: 000000000fedf001 CR4: 0000000000772ef0
[   32.899150][  T434] PKRU: 55555554
[   32.899430][  T434] Call Trace:
[   32.899705][  T434]  <TASK>
[ 32.899901][ T434] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.900296][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.900672][ T434] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.901029][ T434] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.901507][ T434] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.901869][ T434] netif_set_mtu (net/core/dev.c:9652) 
[ 32.902245][ T434] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.902617][ T434] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.903126][ T434] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.903418][ T434] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.903912][ T434] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.904345][ T434] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.904719][ T434] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.905100][ T434] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.905577][ T434] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.905940][ T434] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.906310][ T434] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.906673][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.907036][ T434] ? __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) 
[ 32.907407][ T434] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.907848][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.908240][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.908610][ T434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.909002][ T434] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.909339][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.909678][ T434] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.909999][ T434] ? __create_object (mm/kmemleak.c:771) 
[ 32.910333][ T434] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.910652][ T434] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.911011][ T434] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.911471][ T434] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.911842][ T434] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.912236][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.912608][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.912972][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.913347][ T434] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.913718][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.914084][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.914451][ T434] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.914813][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.915197][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.915567][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.915925][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.916312][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.916701][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.917058][ T434] ? 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) 
[ 32.917433][ T434] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.917801][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.918169][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.918536][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.918899][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.919283][ T434] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.919656][ T434] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.920021][ T434] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.920405][ T434] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.920868][ T434] ___sys_sendmsg (net/socket.c:2670) 
[ 32.921240][ T434] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.921600][ T434] ? __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) 
[ 32.922058][ T434] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.922432][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.922796][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.923171][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.923531][ T434] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.923888][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.924278][ T434] __sys_sendmsg (net/socket.c:2700) 
[ 32.924654][ T434] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.925118][ T434] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.925509][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.925878][ T434] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.926258][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.926704][  T434] RIP: 0033:0x7f2824aef1e7
[ 32.927076][ T434] 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)
[   32.928335][  T434] RSP: 002b:00007ffd17dc5728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.928872][  T434] RAX: ffffffffffffffda RBX: 00007ffd17dc5e50 RCX: 00007f2824aef1e7
[   32.929415][  T434] RDX: 0000000000000000 RSI: 00007ffd17dc5790 RDI: 0000000000000005
[   32.929956][  T434] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.930500][  T434] R10: 000000002913e910 R11: 0000000000000246 R12: 0000000000000004
[   32.931030][  T434] R13: 00000000686e1355 R14: 0000000000499600 R15: 0000000000000000
| [   67.153666][  T674] ------------[ cut here ]------------
| [ 67.154008][ T674] WARNING: CPU: 0 PID: 674 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) 
| [   67.154655][  T674] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   67.155939][  T674] Tainted: [W]=WARN
[   67.156188][  T674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 67.156581][ T674] 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) 
[ 67.156904][ T674] 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
[   67.157997][  T674] RSP: 0018:ffffc900013def70 EFLAGS: 00010246
[   67.158434][  T674] RAX: 0000000000000000 RBX: ffff888004fc2000 RCX: 0000000000000001
[   67.158903][  T674] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   67.159376][  T674] RBP: ffffc900013df058 R08: 0000000000000000 R09: 0000000000000000
[   67.159829][  T674] R10: ffffc900013df088 R11: ffffffffb2600130 R12: 1ffff9200027bdf2
[   67.160293][  T674] R13: 00000000000005dc R14: ffffc900013df088 R15: ffff888004fc2f08
[   67.160760][  T674] FS:  00007f35f7d9a800(0000) GS:ffff8880770b7000(0000) knlGS:0000000000000000
[   67.161318][  T674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.161710][  T674] CR2: 00000000004e5ab0 CR3: 000000000fd0d006 CR4: 0000000000772ef0
[   67.162194][  T674] PKRU: 55555554
[   67.162424][  T674] Call Trace:
[   67.162653][  T674]  <TASK>
[ 67.162820][ T674] ? __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) 
[ 67.163261][ T674] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 67.163625][ T674] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 67.163944][ T674] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 67.164280][ T674] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 67.164606][ T674] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 67.164943][ T674] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.165316][ T674] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.165642][ T674] ? ___sys_sendmsg (net/socket.c:2670) 
[ 67.165954][ T674] ? __sys_sendmsg (net/socket.c:2700) 
[ 67.166286][ T674] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.166613][ T674] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 67.166990][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.167315][ T674] netif_set_mtu (net/core/dev.c:9652) 
[ 67.167626][ T674] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 67.167955][ T674] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 67.168205][ T674] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 67.168637][ T674] br_del_if (net/bridge/br_if.c:743) bridge 
[ 67.168994][ T674] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 67.169316][ T674] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 67.169630][ T674] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 67.169942][ T674] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 67.170386][ T674] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 67.170692][ T674] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 67.170999][ T674] ? __kernel_text_address (kernel/extable.c:79) 
[ 67.171340][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.171647][ T674] ? __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) 
[ 67.171951][ T674] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 67.172339][ T674] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.172657][ T674] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.172959][ T674] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 67.173273][ T674] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 67.173577][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.173878][ T674] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 67.174199][ T674] ? __create_object (mm/kmemleak.c:771) 
[ 67.174510][ T674] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 67.174814][ T674] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 67.175154][ T674] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 67.175532][ T674] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 67.175846][ T674] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 67.176165][ T674] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.176471][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.176788][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.177097][ T674] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 67.177411][ T674] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.177725][ T674] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.178027][ T674] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 67.178354][ T674] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.178661][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.178969][ T674] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 67.179285][ T674] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.179593][ T674] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 67.179918][ T674] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 67.180232][ T674] ? 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) 
[ 67.180536][ T674] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 67.180843][ T674] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 67.181153][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.181466][ T674] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.181770][ T674] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 67.182088][ T674] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 67.182419][ T674] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.182732][ T674] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 67.183034][ T674] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 67.183433][ T674] ___sys_sendmsg (net/socket.c:2670) 
[ 67.183734][ T674] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 67.184053][ T674] ? __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) 
[ 67.184450][ T674] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 67.184757][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.185072][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.185394][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.185700][ T674] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 67.186003][ T674] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.186336][ T674] __sys_sendmsg (net/socket.c:2700) 
[ 67.186644][ T674] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 67.187025][ T674] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 67.187355][ T674] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.187666][ T674] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.187969][ T674] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   67.188355][  T674] RIP: 0033:0x7f35f7f671e7
[ 67.188679][ T674] 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)
[   67.189774][  T674] RSP: 002b:00007fffb29f2368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   67.190254][  T674] RAX: ffffffffffffffda RBX: 00007fffb29f2a90 RCX: 00007f35f7f671e7
[   67.190813][  T674] RDX: 0000000000000000 RSI: 00007fffb29f23d0 RDI: 0000000000000005
[   67.191286][  T674] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   67.191744][  T674] R10: 00007f35f7e64ee8 R11: 0000000000000246 R12: 0000000000000003
[   67.192211][  T674] R13: 00000000686e1377 R14: 0000000000499600 R15: 0000000000000000
| [   67.576459][  T677] ------------[ cut here ]------------
| [ 67.576789][ T677] WARNING: CPU: 1 PID: 677 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) 
| [   67.578439][  T677] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   67.579843][  T677] Tainted: [W]=WARN
[   67.580075][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 67.580694][ T677] 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) 
[ 67.581260][ T677] 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
[   67.582628][  T677] RSP: 0018:ffffc9000130ef70 EFLAGS: 00010246
[   67.583070][  T677] RAX: 0000000000000000 RBX: ffff888004fc2000 RCX: 0000000000000001
[   67.583655][  T677] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   67.584223][  T677] RBP: ffffc9000130f058 R08: 0000000000000000 R09: 0000000000000000
[   67.584780][  T677] R10: ffffc9000130f088 R11: ffffffffb6779160 R12: 1ffff92000261df2
[   67.585384][  T677] R13: 00000000000005dc R14: ffffc9000130f088 R15: ffff888004fc2f08
[   67.585841][  T677] FS:  00007f1d27781800(0000) GS:ffff888077137000(0000) knlGS:0000000000000000
[   67.586528][  T677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.586914][  T677] CR2: 00000000004e5aa8 CR3: 000000000b893004 CR4: 0000000000772ef0
[   67.587552][  T677] PKRU: 55555554
[   67.587833][  T677] Call Trace:
[   67.588116][  T677]  <TASK>
[ 67.588369][ T677] ? __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) 
[ 67.589053][ T677] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 67.589686][ T677] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 67.590078][ T677] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 67.590486][ T677] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 67.590896][ T677] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 67.591283][ T677] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.591644][ T677] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.592007][ T677] ? ___sys_sendmsg (net/socket.c:2670) 
[ 67.592514][ T677] ? __sys_sendmsg (net/socket.c:2700) 
[ 67.593042][ T677] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.593590][ T677] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 67.594277][ T677] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.594847][ T677] netif_set_mtu (net/core/dev.c:9652) 
[ 67.595443][ T677] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 67.596018][ T677] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 67.596442][ T677] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 67.596928][ T677] br_del_if (net/bridge/br_if.c:743) bridge 
[ 67.597296][ T677] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 67.597608][ T677] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 67.597932][ T677] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 67.598270][ T677] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 67.598715][ T677] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 67.599023][ T677] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 67.599366][ T677] ? __kernel_text_address (kernel/extable.c:79) 
[ 67.599674][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.599984][ T677] ? __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) 
[ 67.600326][ T677] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 67.600708][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.601016][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.601345][ T677] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 67.601650][ T677] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 67.601954][ T677] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.602283][ T677] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 67.602587][ T677] ? __create_object (mm/kmemleak.c:771) 
[ 67.602900][ T677] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 67.603232][ T677] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 67.603541][ T677] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 67.603921][ T677] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 67.604293][ T677] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 67.604797][ T677] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.605113][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.605461][ T677] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.605769][ T677] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 67.606071][ T677] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.606405][ T677] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.606713][ T677] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 67.607019][ T677] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.607418][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.607786][ T677] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 67.608182][ T677] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.608586][ T677] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 67.608967][ T677] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 67.609350][ T677] ? 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) 
[ 67.609745][ T677] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 67.610209][ T677] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 67.610677][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.611003][ T677] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.611436][ T677] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 67.611749][ T677] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 67.612063][ T677] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.612542][ T677] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 67.612863][ T677] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 67.613284][ T677] ___sys_sendmsg (net/socket.c:2670) 
[ 67.613599][ T677] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 67.614005][ T677] ? __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) 
[ 67.614480][ T677] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 67.614801][ T677] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.615288][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.615678][ T677] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.616134][ T677] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 67.616668][ T677] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.616984][ T677] __sys_sendmsg (net/socket.c:2700) 
[ 67.617394][ T677] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 67.617777][ T677] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 67.618092][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.618507][ T677] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.618902][ T677] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   67.619328][  T677] RIP: 0033:0x7f1d2794e1e7
[ 67.619789][ T677] 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)
[   67.621258][  T677] RSP: 002b:00007fff325787c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   67.621819][  T677] RAX: ffffffffffffffda RBX: 00007fff32578ef0 RCX: 00007f1d2794e1e7
[   67.622315][  T677] RDX: 0000000000000000 RSI: 00007fff32578830 RDI: 0000000000000005
[   67.622770][  T677] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   67.623409][  T677] R10: 00007f1d2784bee8 R11: 0000000000000246 R12: 0000000000000003
[   67.623991][  T677] R13: 00000000686e1378 R14: 0000000000499600 R15: 0000000000000000
| [   67.932495][  T679] ------------[ cut here ]------------
| [ 67.933090][ T679] WARNING: CPU: 2 PID: 679 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) 
| [   67.935046][  T679] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   67.936502][  T679] Tainted: [W]=WARN
[   67.936750][  T679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 67.937160][ T679] 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) 
[ 67.937497][ T679] 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
[   67.938623][  T679] RSP: 0018:ffffc900013fef70 EFLAGS: 00010246
[   67.939035][  T679] RAX: 0000000000000000 RBX: ffff888004fc2000 RCX: 0000000000000001
[   67.939522][  T679] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   67.940002][  T679] RBP: ffffc900013ff058 R08: 0000000000000000 R09: 0000000000000000
[   67.940495][  T679] R10: ffffc900013ff088 R11: ffffffffb6779160 R12: 1ffff9200027fdf2
[   67.940965][  T679] R13: 00000000000005dc R14: ffffc900013ff088 R15: ffff888004fc2f08
[   67.941450][  T679] FS:  00007f9c0d7ef800(0000) GS:ffff8880771b7000(0000) knlGS:0000000000000000
[   67.941998][  T679] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.942568][  T679] CR2: 00000000004e5de8 CR3: 000000000b893004 CR4: 0000000000772ef0
[   67.943282][  T679] PKRU: 55555554
[   67.943979][  T679] Call Trace:
[   67.944792][  T679]  <TASK>
[ 67.945549][ T679] ? __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) 
[ 67.946160][ T679] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 67.946535][ T679] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 67.946859][ T679] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 67.947202][ T679] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 67.947522][ T679] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 67.947844][ T679] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.948178][ T679] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.948501][ T679] ? ___sys_sendmsg (net/socket.c:2670) 
[ 67.948822][ T679] ? __sys_sendmsg (net/socket.c:2700) 
[ 67.949163][ T679] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.949485][ T679] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 67.949888][ T679] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.950233][ T679] netif_set_mtu (net/core/dev.c:9652) 
[ 67.950559][ T679] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 67.950895][ T679] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 67.951152][ T679] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 67.951594][ T679] br_del_if (net/bridge/br_if.c:743) bridge 
[ 67.951947][ T679] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 67.952296][ T679] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 67.952620][ T679] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 67.952941][ T679] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 67.953370][ T679] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 67.953690][ T679] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 67.954011][ T679] ? __kernel_text_address (kernel/extable.c:79) 
[ 67.954356][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.954684][ T679] ? __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) 
[ 67.955002][ T679] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 67.955418][ T679] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.955739][ T679] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.956059][ T679] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 67.956388][ T679] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 67.956708][ T679] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.957022][ T679] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 67.957375][ T679] ? __create_object (mm/kmemleak.c:771) 
[ 67.957699][ T679] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 67.958017][ T679] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 67.958345][ T679] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 67.958740][ T679] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 67.959063][ T679] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 67.959397][ T679] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.959723][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.960045][ T679] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.960372][ T679] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 67.960688][ T679] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.961007][ T679] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.961353][ T679] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 67.961681][ T679] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.962001][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.962344][ T679] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 67.962665][ T679] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.962985][ T679] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 67.963327][ T679] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 67.963642][ T679] ? 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) 
[ 67.963958][ T679] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 67.964291][ T679] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 67.964614][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.964937][ T679] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.965298][ T679] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 67.965616][ T679] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 67.965943][ T679] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.966277][ T679] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 67.966591][ T679] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 67.967002][ T679] ___sys_sendmsg (net/socket.c:2670) 
[ 67.967332][ T679] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 67.967649][ T679] ? __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) 
[ 67.968043][ T679] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 67.968377][ T679] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.968699][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.969029][ T679] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.969383][ T679] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 67.969701][ T679] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.970025][ T679] __sys_sendmsg (net/socket.c:2700) 
[ 67.970351][ T679] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 67.970739][ T679] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 67.971068][ T679] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.971399][ T679] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.971718][ T679] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   67.972120][  T679] RIP: 0033:0x7f9c0d9bc1e7
[ 67.972463][ T679] 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)
[   67.973582][  T679] RSP: 002b:00007ffca409b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   67.974066][  T679] RAX: ffffffffffffffda RBX: 00007ffca409b7f0 RCX: 00007f9c0d9bc1e7
[   67.974553][  T679] RDX: 0000000000000000 RSI: 00007ffca409b130 RDI: 0000000000000005
[   67.975023][  T679] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   67.975517][  T679] R10: 00007f9c0d8b9ee8 R11: 0000000000000246 R12: 0000000000000003
[   67.975994][  T679] R13: 00000000686e1378 R14: 0000000000499600 R15: 0000000000000000
| [   68.486070][  T683] ------------[ cut here ]------------
| [ 68.486741][ T683] WARNING: CPU: 3 PID: 683 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) 
| [   68.487359][  T683] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   68.488635][  T683] Tainted: [W]=WARN
[   68.488868][  T683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.489261][ T683] 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) 
[ 68.489578][ T683] 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
[   68.490686][  T683] RSP: 0018:ffffc9000142ef70 EFLAGS: 00010246
[   68.491071][  T683] RAX: 0000000000000000 RBX: ffff888004fc2000 RCX: 0000000000000001
[   68.491541][  T683] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   68.491994][  T683] RBP: ffffc9000142f058 R08: 0000000000000000 R09: 0000000000000000
[   68.492465][  T683] R10: ffffc9000142f088 R11: ffffffffb6779160 R12: 1ffff92000285df2
[   68.492924][  T683] R13: 00000000000005dc R14: ffffc9000142f088 R15: ffff888004fc2f08
[   68.493388][  T683] FS:  00007f559ecbf800(0000) GS:ffff888077237000(0000) knlGS:0000000000000000
[   68.493921][  T683] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.494331][  T683] CR2: 00000000004e5ce0 CR3: 000000000fbb9006 CR4: 0000000000772ef0
[   68.494798][  T683] PKRU: 55555554
[   68.495029][  T683] Call Trace:
[   68.495279][  T683]  <TASK>
[ 68.495435][ T683] ? __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) 
[ 68.495818][ T683] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 68.496183][ T683] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 68.496488][ T683] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 68.496796][ T683] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 68.497099][ T683] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 68.497416][ T683] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 68.497719][ T683] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 68.498025][ T683] ? ___sys_sendmsg (net/socket.c:2670) 
[ 68.498343][ T683] ? __sys_sendmsg (net/socket.c:2700) 
[ 68.498647][ T683] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 68.498951][ T683] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 68.499345][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.499665][ T683] netif_set_mtu (net/core/dev.c:9652) 
[ 68.499972][ T683] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 68.500304][ T683] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 68.500539][ T683] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 68.500960][ T683] br_del_if (net/bridge/br_if.c:743) bridge 
[ 68.501324][ T683] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 68.501628][ T683] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 68.501944][ T683] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 68.502267][ T683] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 68.502654][ T683] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 68.502961][ T683] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 68.503277][ T683] ? __kernel_text_address (kernel/extable.c:79) 
[ 68.503587][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.503895][ T683] ? __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) 
[ 68.504216][ T683] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 68.504591][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.504899][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.505229][ T683] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 68.505536][ T683] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 68.505842][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.506163][ T683] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 68.506472][ T683] ? __create_object (mm/kmemleak.c:771) 
[ 68.506779][ T683] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 68.507084][ T683] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 68.507397][ T683] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 68.507778][ T683] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 68.508087][ T683] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 68.508405][ T683] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 68.508709][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.509022][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.509338][ T683] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 68.509641][ T683] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 68.509946][ T683] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 68.510264][ T683] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 68.510571][ T683] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 68.510878][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.511204][ T683] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 68.511513][ T683] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 68.511819][ T683] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 68.512135][ T683] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 68.512456][ T683] ? 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) 
[ 68.512762][ T683] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 68.513071][ T683] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 68.513389][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.513705][ T683] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 68.514014][ T683] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 68.514328][ T683] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 68.514642][ T683] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 68.514952][ T683] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 68.515280][ T683] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 68.515679][ T683] ___sys_sendmsg (net/socket.c:2670) 
[ 68.515982][ T683] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 68.516300][ T683] ? __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) 
[ 68.516683][ T683] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 68.516995][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.517315][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.517626][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.517935][ T683] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 68.518258][ T683] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 68.518574][ T683] __sys_sendmsg (net/socket.c:2700) 
[ 68.518877][ T683] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 68.519266][ T683] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 68.519585][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.519890][ T683] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 68.520207][ T683] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   68.520589][  T683] RIP: 0033:0x7f559ee8c1e7
[ 68.520904][ T683] 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)
[   68.522003][  T683] RSP: 002b:00007ffd5f251a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   68.522478][  T683] RAX: ffffffffffffffda RBX: 00007ffd5f252180 RCX: 00007f559ee8c1e7
[   68.522939][  T683] RDX: 0000000000000000 RSI: 00007ffd5f251ac0 RDI: 0000000000000005
[   68.523406][  T683] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   68.523862][  T683] R10: 00007f559ed89ee8 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