======================================
| [   23.960069][  T350] br1: port 1(vx10) entered forwarding state
| [   23.961367][  T350] ------------[ cut here ]------------
| [ 23.961735][ T350] WARNING: CPU: 3 PID: 350 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) 
| [   23.962400][  T350] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.963891][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.964291][ T350] 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) 
[ 23.964617][ T350] 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
[   23.965748][  T350] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[   23.966153][  T350] RAX: 0000000000000000 RBX: ffff88800ff92000 RCX: 0000000000000001
[   23.966641][  T350] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   23.967114][  T350] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.967586][  T350] R10: ffffc90000547010 R11: ffffffffb9aa8918 R12: 1ffff920000a8de2
[   23.968075][  T350] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff88800ff92f08
[   23.968548][  T350] FS:  00007fadfe217800(0000) GS:ffff88807b637000(0000) knlGS:0000000000000000
[   23.969108][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.969503][  T350] CR2: 00000000004e5ce0 CR3: 000000001117d006 CR4: 0000000000772ef0
[   23.969990][  T350] PKRU: 55555554
[   23.970422][  T350] Call Trace:
[   23.970669][  T350]  <TASK>
[ 23.970849][ T350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.971169][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.971491][ T350] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.971820][ T350] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.972213][ T350] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.972535][ T350] netif_set_mtu (net/core/dev.c:9652) 
[ 23.972868][ T350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.973197][ T350] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.973667][ T350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.973905][ T350] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.974344][ T350] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.974726][ T350] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.975055][ T350] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.975381][ T350] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.975798][ T350] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.976114][ T350] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.976429][ T350] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.976755][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.977072][ T350] ? __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) 
[ 23.977390][ T350] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.977791][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.978104][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.978416][ T350] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.978745][ T350] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.979058][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.979374][ T350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.979704][ T350] ? __create_object (mm/kmemleak.c:771) 
[ 23.980026][ T350] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.980341][ T350] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.980665][ T350] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.981069][ T350] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.981388][ T350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.981717][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.982039][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.982365][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.982700][ T350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.983022][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.983347][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.983674][ T350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.984003][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.984337][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.984675][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.984996][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.985318][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.985667][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.985987][ T350] ? 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) 
[ 23.986578][ T350] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.986916][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.987240][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.987574][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.987907][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.988231][ T350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.988562][ T350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.989126][ T350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.989449][ T350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.989873][ T350] ___sys_sendmsg (net/socket.c:2670) 
[ 23.990197][ T350] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.990521][ T350] ? __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) 
[ 23.991203][ T350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.991529][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.991863][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.992212][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.992534][ T350] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.992868][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.993421][ T350] __sys_sendmsg (net/socket.c:2700) 
[ 23.993760][ T350] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.994387][ T350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.994729][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.995045][ T350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.995461][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.996106][  T350] RIP: 0033:0x7fadfe3e41e7
[ 23.996448][ T350] 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)
[   23.997614][  T350] RSP: 002b:00007ffc712a0008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.998117][  T350] RAX: ffffffffffffffda RBX: 00007ffc712a0730 RCX: 00007fadfe3e41e7
[   23.998622][  T350] RDX: 0000000000000000 RSI: 00007ffc712a0070 RDI: 0000000000000005
[   23.999120][  T350] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.999604][  T350] R10: 000000001bb77910 R11: 0000000000000246 R12: 0000000000000004
[   24.000083][  T350] R13: 00000000686e1b97 R14: 0000000000499600 R15: 0000000000000000
| [   24.473074][  T355] ------------[ cut here ]------------
| [ 24.473375][ T355] WARNING: CPU: 3 PID: 355 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) 
| [   24.473984][  T355] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.475267][  T355] Tainted: [W]=WARN
[   24.475503][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.475891][ T355] 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) 
[ 24.476206][ T355] 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
[   24.478015][  T355] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[   24.478405][  T355] RAX: 0000000000000000 RBX: ffff88800ff92000 RCX: 0000000000000001
[   24.478876][  T355] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   24.479337][  T355] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.479800][  T355] R10: ffffc900005f7010 R11: ffffffffb9aa8918 R12: 1ffff920000bede2
[   24.480257][  T355] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff88800ff92f08
[   24.480721][  T355] FS:  00007f3be7444800(0000) GS:ffff88807b637000(0000) knlGS:0000000000000000
[   24.481273][  T355] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.481667][  T355] CR2: 00000000004e5de8 CR3: 000000000c7b2002 CR4: 0000000000772ef0
[   24.482124][  T355] PKRU: 55555554
[   24.482354][  T355] Call Trace:
[   24.482581][  T355]  <TASK>
[ 24.482747][ T355] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.483052][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.483371][ T355] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.483689][ T355] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.484070][ T355] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.484386][ T355] netif_set_mtu (net/core/dev.c:9652) 
[ 24.484702][ T355] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.485030][ T355] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.485459][ T355] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.485702][ T355] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.486122][ T355] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.486474][ T355] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.486794][ T355] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.487104][ T355] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.487488][ T355] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.487803][ T355] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.488109][ T355] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.488421][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.488736][ T355] ? __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) 
[ 24.489041][ T355] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.489420][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.489750][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.490055][ T355] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.490358][ T355] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.490673][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.490992][ T355] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.491297][ T355] ? __create_object (mm/kmemleak.c:771) 
[ 24.491604][ T355] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.491915][ T355] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.492221][ T355] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.492600][ T355] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.492929][ T355] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.493243][ T355] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.493549][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.493869][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.494176][ T355] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.494481][ T355] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.494797][ T355] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.495103][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.495420][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.495739][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.496053][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.496361][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.496674][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.496990][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.497294][ T355] ? 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) 
[ 24.497612][ T355] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.497931][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.498248][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.498561][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.498884][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.499192][ T355] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.499507][ T355] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.499824][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.500132][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.500521][ T355] ___sys_sendmsg (net/socket.c:2670) 
[ 24.500842][ T355] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.501149][ T355] ? __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) 
[ 24.501531][ T355] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.501849][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.502161][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.502472][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.502787][ T355] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.503095][ T355] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.503408][ T355] __sys_sendmsg (net/socket.c:2700) 
[ 24.503723][ T355] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.504104][ T355] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.504427][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.504748][ T355] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.505057][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.505433][  T355] RIP: 0033:0x7f3be76111e7
[ 24.505758][ T355] 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)
[   24.506871][  T355] RSP: 002b:00007ffe58447c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.507336][  T355] RAX: ffffffffffffffda RBX: 00007ffe58448360 RCX: 00007f3be76111e7
[   24.507802][  T355] RDX: 0000000000000000 RSI: 00007ffe58447ca0 RDI: 0000000000000005
[   24.508265][  T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.508730][  T355] R10: 00000000242e4910 R11: 0000000000000246 R12: 0000000000000004
[   24.509188][  T355] R13: 00000000686e1b98 R14: 0000000000499600 R15: 0000000000000000
| [   24.737146][  T357] ------------[ cut here ]------------
| [ 24.737472][ T357] WARNING: CPU: 2 PID: 357 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) 
| [   24.738099][  T357] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.739588][  T357] Tainted: [W]=WARN
[   24.739841][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.740231][ T357] 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) 
[ 24.740557][ T357] 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
[   24.741670][  T357] RSP: 0018:ffffc90000646ef0 EFLAGS: 00010246
[   24.742068][  T357] RAX: 0000000000000000 RBX: ffff88800ff92000 RCX: 0000000000000001
[   24.742531][  T357] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   24.743560][  T357] RBP: ffffc90000646fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.744046][  T357] R10: ffffc90000647010 R11: ffffffffb9aa8918 R12: 1ffff920000c8de2
[   24.744560][  T357] R13: 00000000000005dc R14: ffffc90000647010 R15: ffff88800ff92f08
[   24.745047][  T357] FS:  00007f2f9eb63800(0000) GS:ffff88807b5b7000(0000) knlGS:0000000000000000
[   24.745589][  T357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.745992][  T357] CR2: 00000000004e5aa8 CR3: 000000000c7f0002 CR4: 0000000000772ef0
[   24.746466][  T357] PKRU: 55555554
[   24.746717][  T357] Call Trace:
[   24.746958][  T357]  <TASK>
[ 24.747129][ T357] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.747449][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.747785][ T357] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.748104][ T357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.748493][ T357] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.748828][ T357] netif_set_mtu (net/core/dev.c:9652) 
[ 24.749151][ T357] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.749482][ T357] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.749934][ T357] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.750181][ T357] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.750613][ T357] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.751009][ T357] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.751331][ T357] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.751665][ T357] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.752064][ T357] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.752384][ T357] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.752712][ T357] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.753036][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.753358][ T357] ? __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) 
[ 24.753684][ T357] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.754070][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.754389][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.754731][ T357] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.755048][ T357] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.755365][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.755700][ T357] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.756016][ T357] ? __create_object (mm/kmemleak.c:771) 
[ 24.756337][ T357] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.756668][ T357] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.756984][ T357] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.757377][ T357] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.757713][ T357] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.758037][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.758355][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.758688][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.759006][ T357] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.759324][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.759650][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.759968][ T357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.760285][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.760607][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.760956][ T357] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.761276][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.761593][ T357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.761932][ T357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.762247][ T357] ? 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) 
[ 24.762567][ T357] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.762898][ T357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.763218][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.763539][ T357] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.763872][ T357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.764189][ T357] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.764511][ T357] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.764845][ T357] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.765163][ T357] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.765570][ T357] ___sys_sendmsg (net/socket.c:2670) 
[ 24.765899][ T357] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.766215][ T357] ? __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) 
[ 24.766608][ T357] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.766940][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.767260][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.767585][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.767917][ T357] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.768235][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.768559][ T357] __sys_sendmsg (net/socket.c:2700) 
[ 24.768885][ T357] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.769274][ T357] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.769605][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.769934][ T357] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.770262][ T357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.770661][  T357] RIP: 0033:0x7f2f9ed301e7
[ 24.770999][ T357] 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)
[   24.772106][  T357] RSP: 002b:00007ffe8bba9708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.772585][  T357] RAX: ffffffffffffffda RBX: 00007ffe8bba9e30 RCX: 00007f2f9ed301e7
[   24.773064][  T357] RDX: 0000000000000000 RSI: 00007ffe8bba9770 RDI: 0000000000000005
[   24.773533][  T357] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.774014][  T357] R10: 000000002b1d6910 R11: 0000000000000246 R12: 0000000000000004
[   24.774490][  T357] R13: 00000000686e1b98 R14: 0000000000499600 R15: 0000000000000000
| [   25.361483][  T363] ------------[ cut here ]------------
| [ 25.361807][ T363] WARNING: CPU: 0 PID: 363 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) 
| [   25.362424][  T363] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   25.363732][  T363] Tainted: [W]=WARN
[   25.363962][  T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.364368][ T363] 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) 
[ 25.364694][ T363] 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
[   25.365839][  T363] RSP: 0018:ffffc900006d6ef0 EFLAGS: 00010246
[   25.366255][  T363] RAX: 0000000000000000 RBX: ffff88800ff92000 RCX: 0000000000000001
[   25.366721][  T363] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   25.367200][  T363] RBP: ffffc900006d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.367681][  T363] R10: ffffc900006d7010 R11: ffffffffb9aa8918 R12: 1ffff920000dade2
[   25.368161][  T363] R13: 00000000000005dc R14: ffffc900006d7010 R15: ffff88800ff92f08
[   25.368618][  T363] FS:  00007fc9859e6800(0000) GS:ffff88807b4b7000(0000) knlGS:0000000000000000
[   25.369443][  T363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.369980][  T363] CR2: 00000000004e5ab0 CR3: 000000000a50a006 CR4: 0000000000772ef0
[   25.370459][  T363] PKRU: 55555554
[   25.370833][  T363] Call Trace:
[   25.371067][  T363]  <TASK>
[ 25.371239][ T363] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.371546][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.371865][ T363] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.372168][ T363] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.372582][ T363] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.372914][ T363] netif_set_mtu (net/core/dev.c:9652) 
[ 25.373225][ T363] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.373555][ T363] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.373995][ T363] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.374233][ T363] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.374675][ T363] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.375030][ T363] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.375353][ T363] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.375673][ T363] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.376057][ T363] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.376371][ T363] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.376694][ T363] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.377007][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.377317][ T363] ? __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) 
[ 25.377648][ T363] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.378027][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.378334][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.378674][ T363] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.378981][ T363] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.379287][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.379603][ T363] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.379921][ T363] ? __create_object (mm/kmemleak.c:771) 
[ 25.380231][ T363] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.380546][ T363] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.380884][ T363] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.381263][ T363] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.381589][ T363] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.381914][ T363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.382221][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.382540][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.382856][ T363] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.383158][ T363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.383567][ T363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.383886][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.384195][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.384502][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.384864][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.385177][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.385478][ T363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.385821][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.386125][ T363] ? 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) 
[ 25.386429][ T363] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.386758][ T363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.387065][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.387374][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.387704][ T363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.388019][ T363] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.388331][ T363] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.388671][ T363] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.388981][ T363] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.389372][ T363] ___sys_sendmsg (net/socket.c:2670) 
[ 25.389694][ T363] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.390000][ T363] ? __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) 
[ 25.390378][ T363] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.390698][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.391048][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.391357][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.391677][ T363] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.391999][ T363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.392311][ T363] __sys_sendmsg (net/socket.c:2700) 
[ 25.392613][ T363] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.393020][ T363] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.393342][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.393660][ T363] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.393980][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.394362][  T363] RIP: 0033:0x7fc985bb31e7
[ 25.394687][ T363] 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)
[   25.395796][  T363] RSP: 002b:00007ffd964e6dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.396275][  T363] RAX: ffffffffffffffda RBX: 00007ffd964e74f0 RCX: 00007fc985bb31e7
[   25.396750][  T363] RDX: 0000000000000000 RSI: 00007ffd964e6e30 RDI: 0000000000000005
[   25.397244][  T363] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.397709][  T363] R10: 000000000f493910 R11: 0000000000000246 R12: 0000000000000004
[   25.398188][  T363] R13: 00000000686e1b99 R14: 0000000000499600 R15: 0000000000000000
| [   30.242671][  T413] ------------[ cut here ]------------
| [ 30.242994][ T413] WARNING: CPU: 0 PID: 413 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.243602][  T413] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.244875][  T413] Tainted: [W]=WARN
[   30.245114][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.245495][ T413] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.245819][ T413] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.246909][  T413] RSP: 0018:ffffc90000bf6ef0 EFLAGS: 00010246
[   30.247299][  T413] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   30.247771][  T413] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   30.248224][  T413] RBP: ffffc90000bf6fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.248687][  T413] R10: ffffc90000bf7010 R11: ffffffffb9179160 R12: 1ffff9200017ede2
[   30.249150][  T413] R13: 00000000000005dc R14: ffffc90000bf7010 R15: ffff88800981af08
[   30.249604][  T413] FS:  00007fbea543f800(0000) GS:ffff88807b4b7000(0000) knlGS:0000000000000000
[   30.250142][  T413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.250524][  T413] CR2: 00000000004e6898 CR3: 000000001113f005 CR4: 0000000000772ef0
[   30.251012][  T413] PKRU: 55555554
[   30.251244][  T413] Call Trace:
[   30.251473][  T413]  <TASK>
[ 30.251644][ T413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.251954][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.252267][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.252572][ T413] netif_set_mtu (net/core/dev.c:9652) 
[ 30.252886][ T413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.253206][ T413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.253445][ T413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.253880][ T413] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.254233][ T413] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.254544][ T413] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.254862][ T413] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.255248][ T413] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.255552][ T413] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.255869][ T413] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.256179][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.256490][ T413] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.256802][ T413] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.257178][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.257484][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.257795][ T413] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.258102][ T413] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.258406][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.258717][ T413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.259018][ T413] ? __create_object (mm/kmemleak.c:771) 
[ 30.259328][ T413] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.259649][ T413] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.259953][ T413] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.260333][ T413] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.260669][ T413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.260988][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.261290][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.261598][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.261910][ T413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.262212][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.262517][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.262835][ T413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.263142][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.263449][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.263766][ T413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.264070][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.264375][ T413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.264700][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.265007][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.265314][ T413] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.265622][ T413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.265937][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.266247][ T413] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.266558][ T413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.266873][ T413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.267190][ T413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.267502][ T413] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.267813][ T413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.268204][ T413] ___sys_sendmsg (net/socket.c:2670) 
[ 30.268506][ T413] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.268817][ T413] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.269200][ T413] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.269509][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.269825][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.270135][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.270439][ T413] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.270758][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.271073][ T413] __sys_sendmsg (net/socket.c:2700) 
[ 30.271374][ T413] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.271757][ T413] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.272074][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.272379][ T413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.272691][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.273067][  T413] RIP: 0033:0x7fbea560c1e7
[ 30.273381][ T413] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.274474][  T413] RSP: 002b:00007fff8d52daa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.274943][  T413] RAX: ffffffffffffffda RBX: 00007fff8d52e1d0 RCX: 00007fbea560c1e7
[   30.275398][  T413] RDX: 0000000000000000 RSI: 00007fff8d52db10 RDI: 0000000000000005
[   30.275860][  T413] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.276318][  T413] R10: 0000000004534910 R11: 0000000000000246 R12: 0000000000000004
[   30.276784][  T413] R13: 00000000686e1b9e R14: 0000000000499600 R15: 0000000000000000
| [   31.347140][  T421] ------------[ cut here ]------------
| [ 31.347449][ T421] WARNING: CPU: 0 PID: 421 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) 
| [   31.348059][  T421] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   31.350035][  T421] Tainted: [W]=WARN
[   31.350265][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.350675][ T421] 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) 
[ 31.351006][ T421] 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
[   31.352100][  T421] RSP: 0018:ffffc90000c56ef0 EFLAGS: 00010246
[   31.352486][  T421] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   31.352951][  T421] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   31.353408][  T421] RBP: ffffc90000c56fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.353870][  T421] R10: ffffc90000c57010 R11: ffffffffb9179160 R12: 1ffff9200018ade2
[   31.354323][  T421] R13: 00000000000005dc R14: ffffc90000c57010 R15: ffff88800981af08
[   31.354786][  T421] FS:  00007f792d361800(0000) GS:ffff88807b4b7000(0000) knlGS:0000000000000000
[   31.355319][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.355714][  T421] CR2: 00000000004e5ce0 CR3: 000000000e450005 CR4: 0000000000772ef0
[   31.356173][  T421] PKRU: 55555554
[   31.356403][  T421] Call Trace:
[   31.356632][  T421]  <TASK>
[ 31.356806][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.357112][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.357426][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.357742][ T421] netif_set_mtu (net/core/dev.c:9652) 
[ 31.358048][ T421] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.358370][ T421] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.358601][ T421] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.359039][ T421] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.359389][ T421] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.359710][ T421] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.360020][ T421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.360407][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.360723][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.361044][ T421] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.361353][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.361673][ T421] ? __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) 
[ 31.361980][ T421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.362358][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.362678][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.362985][ T421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.363288][ T421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.363596][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.363912][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.364215][ T421] ? __create_object (mm/kmemleak.c:771) 
[ 31.364521][ T421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.364836][ T421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.365145][ T421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.365524][ T421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.365850][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.366167][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.366473][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.366795][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.367103][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.367408][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.367728][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.368031][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.368338][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.368662][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.368972][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.369278][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.369582][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.369911][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.370216][ T421] ? 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) 
[ 31.370524][ T421] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.370864][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.371169][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.371478][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.371799][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.372109][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.372423][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.372743][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.373046][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.373435][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 31.373745][ T421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.374049][ T421] ? __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) 
[ 31.374431][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.374750][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.375060][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.375371][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.375686][ T421] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.375990][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.376301][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 31.376608][ T421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.376993][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.377311][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.377617][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.377932][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.378309][  T421] RIP: 0033:0x7f792d52e1e7
[ 31.378623][ T421] 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)
[   31.379725][  T421] RSP: 002b:00007fff15350368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.380204][  T421] RAX: ffffffffffffffda RBX: 00007fff15350a90 RCX: 00007f792d52e1e7
[   31.380671][  T421] RDX: 0000000000000000 RSI: 00007fff153503d0 RDI: 0000000000000005
[   31.381182][  T421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.381659][  T421] R10: 000000000f95b910 R11: 0000000000000246 R12: 0000000000000004
[   31.382117][  T421] R13: 00000000686e1b9f R14: 0000000000499600 R15: 0000000000000000
| [   32.245382][  T428] ------------[ cut here ]------------
| [ 32.245729][ T428] WARNING: CPU: 1 PID: 428 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.246355][  T428] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   32.247714][  T428] Tainted: [W]=WARN
[   32.247956][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.248350][ T428] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.248693][ T428] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.249845][  T428] RSP: 0018:ffffc90000cc6ef0 EFLAGS: 00010246
[   32.250245][  T428] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   32.250756][  T428] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   32.251235][  T428] RBP: ffffc90000cc6fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.253229][  T428] R10: ffffc90000cc7010 R11: ffffffffb9aa8918 R12: 1ffff92000198de2
[   32.253754][  T428] R13: 00000000000005dc R14: ffffc90000cc7010 R15: ffff88800981af08
[   32.254233][  T428] FS:  00007f54e95d8800(0000) GS:ffff88807b537000(0000) knlGS:0000000000000000
[   32.254820][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.255224][  T428] CR2: 00000000004e5de8 CR3: 00000000110c4002 CR4: 0000000000772ef0
[   32.255735][  T428] PKRU: 55555554
[   32.255974][  T428] Call Trace:
[   32.256216][  T428]  <TASK>
[ 32.256382][ T428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.256725][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.257054][ T428] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.257375][ T428] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.257796][ T428] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.258124][ T428] netif_set_mtu (net/core/dev.c:9652) 
[ 32.258444][ T428] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.258800][ T428] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.259248][ T428] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.259488][ T428] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.259951][ T428] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.260323][ T428] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.260670][ T428] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.261009][ T428] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.261414][ T428] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.261758][ T428] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.262082][ T428] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.262407][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.262780][ T428] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.263106][ T428] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.263502][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.263839][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.264158][ T428] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.264475][ T428] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.264817][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.265137][ T428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.265460][ T428] ? __create_object (mm/kmemleak.c:771) 
[ 32.265802][ T428] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.266127][ T428] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.266450][ T428] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.266881][ T428] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.267209][ T428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.267534][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.267885][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.268214][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.268531][ T428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.268873][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.269194][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.269516][ T428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.269852][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.270175][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.270505][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.270875][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.271200][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.271534][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.271876][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.272199][ T428] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.272524][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.272871][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.273198][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.273524][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.273867][ T428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.274197][ T428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.274524][ T428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.274870][ T428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.275284][ T428] ___sys_sendmsg (net/socket.c:2670) 
[ 32.275606][ T428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.275950][ T428] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.276351][ T428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.276689][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.277001][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.277311][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.277626][ T428] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.277951][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.278261][ T428] __sys_sendmsg (net/socket.c:2700) 
[ 32.278567][ T428] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.279001][ T428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.279319][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.279655][ T428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.279965][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.280346][  T428] RIP: 0033:0x7f54e97a51e7
[ 32.280681][ T428] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.281800][  T428] RSP: 002b:00007ffdbb6ea118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.282268][  T428] RAX: ffffffffffffffda RBX: 00007ffdbb6ea840 RCX: 00007f54e97a51e7
[   32.282758][  T428] RDX: 0000000000000000 RSI: 00007ffdbb6ea180 RDI: 0000000000000005
[   32.283214][  T428] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.283695][  T428] R10: 000000001e497910 R11: 0000000000000246 R12: 0000000000000004
[   32.284183][  T428] R13: 00000000686e1ba0 R14: 0000000000499600 R15: 0000000000000000
| [   36.749419][  T470] ------------[ cut here ]------------
| [ 36.749785][ T470] WARNING: CPU: 0 PID: 470 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) 
| [   36.750403][  T470] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   36.751684][  T470] Tainted: [W]=WARN
[   36.751914][  T470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.752300][ T470] 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) 
[ 36.752613][ T470] 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
[   36.753703][  T470] RSP: 0018:ffffc90000e86ef0 EFLAGS: 00010246
[   36.754088][  T470] RAX: 0000000000000000 RBX: ffff88800602a000 RCX: 0000000000000001
[   36.754549][  T470] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   36.755022][  T470] RBP: ffffc90000e86fe0 R08: 0000000000000000 R09: 0000000000000000
[   36.755485][  T470] R10: ffffc90000e87010 R11: ffffffffb9179160 R12: 1ffff920001d0de2
[   36.755950][  T470] R13: 00000000000005dc R14: ffffc90000e87010 R15: ffff88800602af08
[   36.756407][  T470] FS:  00007fa91d615800(0000) GS:ffff88807b4b7000(0000) knlGS:0000000000000000
[   36.756949][  T470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.757333][  T470] CR2: 00000000004e6898 CR3: 000000000e7e2005 CR4: 0000000000772ef0
[   36.757797][  T470] PKRU: 55555554
[   36.758024][  T470] Call Trace:
[   36.758254][  T470]  <TASK>
[ 36.758419][ T470] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.758746][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.759066][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.759373][ T470] netif_set_mtu (net/core/dev.c:9652) 
[ 36.759689][ T470] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.760017][ T470] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.760262][ T470] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.760709][ T470] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.761073][ T470] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.761381][ T470] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.761697][ T470] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.762083][ T470] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.762388][ T470] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.762715][ T470] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.763027][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.763336][ T470] ? __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) 
[ 36.763651][ T470] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.764029][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.764335][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.764649][ T470] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.764953][ T470] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.765264][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.765567][ T470] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.765876][ T470] ? __create_object (mm/kmemleak.c:771) 
[ 36.766184][ T470] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.766487][ T470] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.766806][ T470] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.767184][ T470] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.767492][ T470] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.767821][ T470] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.768124][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.768434][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.768744][ T470] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.769043][ T470] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.769349][ T470] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.769662][ T470] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.769966][ T470] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.770278][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.770591][ T470] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.770925][ T470] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.771230][ T470] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.771546][ T470] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.771857][ T470] ? 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) 
[ 36.772163][ T470] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.772472][ T470] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.772782][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.773093][ T470] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.773400][ T470] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.773714][ T470] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.774028][ T470] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.774337][ T470] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.774663][ T470] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.775066][ T470] ___sys_sendmsg (net/socket.c:2670) 
[ 36.775377][ T470] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.775691][ T470] ? __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) 
[ 36.776072][ T470] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.776379][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.776698][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.777013][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.777315][ T470] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.777615][ T470] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.777938][ T470] __sys_sendmsg (net/socket.c:2700) 
[ 36.778238][ T470] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.778614][ T470] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.778952][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.779267][ T470] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.779577][ T470] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.779962][  T470] RIP: 0033:0x7fa91d7e21e7
[ 36.780275][ T470] 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)
[   36.781372][  T470] RSP: 002b:00007ffc9ddb8638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.781854][  T470] RAX: ffffffffffffffda RBX: 00007ffc9ddb8d60 RCX: 00007fa91d7e21e7
[   36.782310][  T470] RDX: 0000000000000000 RSI: 00007ffc9ddb86a0 RDI: 0000000000000005
[   36.782784][  T470] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.783239][  T470] R10: 000000000b188910 R11: 0000000000000246 R12: 0000000000000004
[   36.783712][  T470] R13: 00000000686e1ba4 R14: 0000000000499600 R15: 0000000000000000
| [   37.693697][  T478] ------------[ cut here ]------------
| [ 37.694119][ T478] WARNING: CPU: 1 PID: 478 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) 
| [   37.695191][  T478] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   37.697371][  T478] Tainted: [W]=WARN
[   37.697786][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.698454][ T478] 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) 
[ 37.699030][ T478] 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
[   37.700943][  T478] RSP: 0018:ffffc90000ee6ef0 EFLAGS: 00010246
[   37.701555][  T478] RAX: 0000000000000000 RBX: ffff88800602a000 RCX: 0000000000000001
[   37.702368][  T478] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   37.703178][  T478] RBP: ffffc90000ee6fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.703980][  T478] R10: ffffc90000ee7010 R11: ffffffffb9aa8918 R12: 1ffff920001dcde2
[   37.704683][  T478] R13: 00000000000005dc R14: ffffc90000ee7010 R15: ffff88800602af08
[   37.705471][  T478] FS:  00007f76d2133800(0000) GS:ffff88807b537000(0000) knlGS:0000000000000000
[   37.706440][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.707113][  T478] CR2: 00000000004e5ce0 CR3: 000000000b9d2006 CR4: 0000000000772ef0
[   37.707906][  T478] PKRU: 55555554
[   37.708300][  T478] Call Trace:
[   37.708717][  T478]  <TASK>
[ 37.709001][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.709556][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.710141][ T478] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 37.710695][ T478] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 37.711373][ T478] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 37.711930][ T478] netif_set_mtu (net/core/dev.c:9652) 
[ 37.712472][ T478] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.713053][ T478] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 37.713845][ T478] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.714255][ T478] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.715010][ T478] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.715629][ T478] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.716185][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.716747][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.717439][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.718004][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.718539][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.719093][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.719650][ T478] ? __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) 
[ 37.720189][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.720888][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.721435][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.722008][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.722545][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.723095][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.723655][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.724182][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 37.724742][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.725289][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.725899][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.726568][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.727139][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.727703][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.728247][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.728820][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.729360][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.729932][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.730491][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.731051][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.731590][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.732159][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.732737][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.733284][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.733860][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.734436][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.734985][ T478] ? 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) 
[ 37.735524][ T478] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.736083][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.736621][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.737180][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.737763][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.738325][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.738905][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.739449][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.740003][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.740716][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 37.741268][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.741844][ T478] ? __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) 
[ 37.742509][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.743078][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.743623][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.744179][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.744731][ T478] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.745268][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.745845][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 37.746335][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.746942][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.747438][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.747946][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.748456][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.749018][  T478] RIP: 0033:0x7f76d23001e7
[ 37.749462][ T478] 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)
[   37.751260][  T478] RSP: 002b:00007ffc54365ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.751757][  T478] RAX: ffffffffffffffda RBX: 00007ffc543661f0 RCX: 00007f76d23001e7
[   37.752213][  T478] RDX: 0000000000000000 RSI: 00007ffc54365b30 RDI: 0000000000000005
[   37.752687][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.753147][  T478] R10: 000000003375f910 R11: 0000000000000246 R12: 0000000000000004
[   37.753604][  T478] R13: 00000000686e1ba5 R14: 0000000000499600 R15: 0000000000000000
| [   38.619187][  T485] ------------[ cut here ]------------
| [ 38.619488][ T485] WARNING: CPU: 0 PID: 485 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) 
| [   38.620929][  T485] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   38.622191][  T485] Tainted: [W]=WARN
[   38.622423][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.622810][ T485] 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) 
[ 38.623123][ T485] 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
[   38.624252][  T485] RSP: 0018:ffffc90000f56ef0 EFLAGS: 00010246
[   38.624651][  T485] RAX: 0000000000000000 RBX: ffff88800602a000 RCX: 0000000000000001
[   38.625105][  T485] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[   38.625561][  T485] RBP: ffffc90000f56fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.626038][  T485] R10: ffffc90000f57010 R11: ffffffffb9aa8918 R12: 1ffff920001eade2
[   38.626501][  T485] R13: 00000000000005dc R14: ffffc90000f57010 R15: ffff88800602af08
[   38.626978][  T485] FS:  00007f1d0a02c800(0000) GS:ffff88807b4b7000(0000) knlGS:0000000000000000
[   38.627537][  T485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.627944][  T485] CR2: 00000000004e5de8 CR3: 000000000fe6e006 CR4: 0000000000772ef0
[   38.628436][  T485] PKRU: 55555554
[   38.628689][  T485] Call Trace:
[   38.628930][  T485]  <TASK>
[ 38.629097][ T485] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.629420][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.629752][ T485] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.630085][ T485] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.630492][ T485] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.630863][ T485] netif_set_mtu (net/core/dev.c:9652) 
[ 38.631172][ T485] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.631487][ T485] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.631921][ T485] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.632153][ T485] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.632573][ T485] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.632937][ T485] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.633253][ T485] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.633562][ T485] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.633957][ T485] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.634278][ T485] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.634583][ T485] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.634926][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.635241][ T485] ? __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) 
[ 38.635546][ T485] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.635929][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.636249][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.636555][ T485] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.636875][ T485] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.637179][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.637482][ T485] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.637798][ T485] ? __create_object (mm/kmemleak.c:771) 
[ 38.638101][ T485] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.638405][ T485] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.638733][ T485] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.639108][ T485] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.639468][ T485] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.639823][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.640131][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.640443][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.640764][ T485] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.641070][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.641376][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.641688][ T485] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.641996][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.642303][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.642619][ T485] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.642949][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.643262][ T485] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.643580][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.643906][ T485] ? 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) 
[ 38.644227][ T485] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.644547][ T485] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.644869][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.645182][ T485] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.645501][ T485] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.645827][ T485] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.646154][ T485] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.646475][ T485] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.646789][ T485] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.647183][ T485] ___sys_sendmsg (net/socket.c:2670) 
[ 38.647486][ T485] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.647812][ T485] ? __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) 
[ 38.648207][ T485] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.648522][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.648839][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.649158][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.649478][ T485] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.649796][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.650112][ T485] __sys_sendmsg (net/socket.c:2700) 
[ 38.650426][ T485] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.650839][ T485] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.651164][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.651478][ T485] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.651792][ T485] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.652187][  T485] RIP: 0033:0x7f1d0a1f91e7
[ 38.652518][ T485] 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)
[   38.653646][  T485] RSP: 002b:00007fffc7fcd838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.654123][  T485] RAX: ffffffffffffffda RBX: 00007fffc7fcdf60 RCX: 00007f1d0a1f91e7
[   38.654590][  T485] RDX: 0000000000000000 RSI: 00007fffc7fcd8a0 RDI: 0000000000000005
[   38.655054][  T485] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.655507][  T485] R10: 000000003fdc8910 R11: 0000000000000246 R12: 0000000000000004
[   38.655968][  T485] R13: 00000000686e1ba6 R14: 0000000000499600 R15: 0000000000000000
| [  152.471045][  T782] ------------[ cut here ]------------
| [ 152.471364][ T782] WARNING: CPU: 3 PID: 782 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) 
| [  152.471994][  T782] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  152.473346][  T782] Tainted: [W]=WARN
[  152.473577][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.473981][ T782] 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) 
[ 152.474301][ T782] 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
[  152.475434][  T782] RSP: 0018:ffffc90000f16f70 EFLAGS: 00010246
[  152.475852][  T782] RAX: 0000000000000000 RBX: ffff88800ff92000 RCX: 0000000000000001
[  152.476372][  T782] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[  152.476851][  T782] RBP: ffffc90000f17058 R08: 0000000000000000 R09: 0000000000000000
[  152.477314][  T782] R10: ffffc90000f17088 R11: ffffffffb5000130 R12: 1ffff920001e2df2
[  152.477793][  T782] R13: 00000000000005dc R14: ffffc90000f17088 R15: ffff88800ff92f08
[  152.478264][  T782] FS:  00007f69a00ab800(0000) GS:ffff88807b637000(0000) knlGS:0000000000000000
[  152.478854][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.479318][  T782] CR2: 00000000004e5ab0 CR3: 000000000c4c1003 CR4: 0000000000772ef0
[  152.479834][  T782] PKRU: 55555554
[  152.480116][  T782] Call Trace:
[  152.480383][  T782]  <TASK>
[ 152.480550][ T782] ? __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) 
[ 152.481111][ T782] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 152.481492][ T782] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 152.481886][ T782] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 152.482273][ T782] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.482630][ T782] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 152.483037][ T782] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.483360][ T782] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.483717][ T782] ? ___sys_sendmsg (net/socket.c:2670) 
[ 152.484164][ T782] ? __sys_sendmsg (net/socket.c:2700) 
[ 152.484470][ T782] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.484837][ T782] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 152.485241][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.485572][ T782] netif_set_mtu (net/core/dev.c:9652) 
[ 152.485918][ T782] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.486256][ T782] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.486507][ T782] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 152.486989][ T782] br_del_if (net/bridge/br_if.c:743) bridge 
[ 152.487350][ T782] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 152.487680][ T782] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 152.488015][ T782] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 152.488340][ T782] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 152.488752][ T782] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 152.489162][ T782] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 152.489540][ T782] ? __kernel_text_address (kernel/extable.c:79) 
[ 152.489871][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.490185][ T782] ? __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) 
[ 152.490489][ T782] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 152.490996][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.491308][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.491616][ T782] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 152.491940][ T782] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 152.492256][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.492657][ T782] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.492975][ T782] ? __create_object (mm/kmemleak.c:771) 
[ 152.493281][ T782] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 152.493687][ T782] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 152.494129][ T782] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 152.494729][ T782] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 152.495164][ T782] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.495474][ T782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.495867][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.496183][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.496485][ T782] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.496800][ T782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.497204][ T782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.497521][ T782] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.497852][ T782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.498232][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.498545][ T782] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.498906][ T782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.499316][ T782] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.499676][ T782] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.500048][ T782] ? 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) 
[ 152.500411][ T782] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 152.500807][ T782] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.501203][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.501562][ T782] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.502005][ T782] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.502473][ T782] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.503035][ T782] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.503577][ T782] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.503970][ T782] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.504468][ T782] ___sys_sendmsg (net/socket.c:2670) 
[ 152.504882][ T782] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 152.505353][ T782] ? __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) 
[ 152.505893][ T782] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.506263][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.506664][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.507191][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.507729][ T782] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 152.508266][ T782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.508853][ T782] __sys_sendmsg (net/socket.c:2700) 
[ 152.509241][ T782] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 152.509745][ T782] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.510161][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.510532][ T782] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.511008][ T782] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.511448][  T782] RIP: 0033:0x7f69a02781e7
[ 152.511788][ T782] 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)
[  152.513042][  T782] RSP: 002b:00007ffdf40a12d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.513615][  T782] RAX: ffffffffffffffda RBX: 00007ffdf40a1a00 RCX: 00007f69a02781e7
[  152.514125][  T782] RDX: 0000000000000000 RSI: 00007ffdf40a1340 RDI: 0000000000000005
[  152.514618][  T782] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  152.515237][  T782] R10: 00007f69a0175ee8 R11: 0000000000000246 R12: 0000000000000003
[  152.515756][  T782] R13: 00000000686e1c18 R14: 0000000000499600 R15: 0000000000000000
| [  153.187663][  T788] ------------[ cut here ]------------
| [ 153.188278][ T788] WARNING: CPU: 2 PID: 788 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) 
| [  153.189406][  T788] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  153.191960][  T788] Tainted: [W]=WARN
[  153.192415][  T788] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.193156][ T788] 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) 
[ 153.193772][ T788] 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
[  153.196173][  T788] RSP: 0018:ffffc90000f46f70 EFLAGS: 00010246
[  153.197477][  T788] RAX: 0000000000000000 RBX: ffff88800ff92000 RCX: 0000000000000001
[  153.198676][  T788] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[  153.199690][  T788] RBP: ffffc90000f47058 R08: 0000000000000000 R09: 0000000000000000
[  153.200575][  T788] R10: ffffc90000f47088 R11: ffffffffb9179160 R12: 1ffff920001e8df2
[  153.201466][  T788] R13: 00000000000005dc R14: ffffc90000f47088 R15: ffff88800ff92f08
[  153.202339][  T788] FS:  00007f5ce8ae8800(0000) GS:ffff88807b5b7000(0000) knlGS:0000000000000000
[  153.203385][  T788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.204166][  T788] CR2: 00000000004e5aa8 CR3: 000000000bc8e002 CR4: 0000000000772ef0
[  153.205062][  T788] PKRU: 55555554
[  153.205496][  T788] Call Trace:
[  153.205949][  T788]  <TASK>
[ 153.206244][ T788] ? __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) 
[ 153.207003][ T788] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 153.207699][ T788] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 153.208300][ T788] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 153.208885][ T788] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.209437][ T788] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 153.210018][ T788] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.210573][ T788] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.211194][ T788] ? ___sys_sendmsg (net/socket.c:2670) 
[ 153.211804][ T788] ? __sys_sendmsg (net/socket.c:2700) 
[ 153.212376][ T788] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.212980][ T788] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 153.213694][ T788] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.214274][ T788] netif_set_mtu (net/core/dev.c:9652) 
[ 153.214859][ T788] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.215441][ T788] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.215911][ T788] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.216716][ T788] br_del_if (net/bridge/br_if.c:743) bridge 
[ 153.217380][ T788] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 153.217979][ T788] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 153.218551][ T788] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 153.219152][ T788] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 153.219908][ T788] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 153.220481][ T788] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 153.221084][ T788] ? __kernel_text_address (kernel/extable.c:79) 
[ 153.221686][ T788] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.222268][ T788] ? __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) 
[ 153.222862][ T788] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 153.223545][ T788] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.224157][ T788] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.224748][ T788] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 153.225305][ T788] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 153.225900][ T788] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.226471][ T788] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.227049][ T788] ? __create_object (mm/kmemleak.c:771) 
[ 153.227607][ T788] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 153.228226][ T788] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 153.228819][ T788] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 153.229521][ T788] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 153.230135][ T788] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.230733][ T788] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.231322][ T788] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.231949][ T788] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.232514][ T788] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.233091][ T788] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.233670][ T788] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.234240][ T788] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.234840][ T788] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.235433][ T788] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.236056][ T788] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.236627][ T788] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.237206][ T788] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.237803][ T788] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.238351][ T788] ? 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) 
[ 153.238951][ T788] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 153.239541][ T788] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.240146][ T788] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.240750][ T788] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.241323][ T788] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.241905][ T788] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.242492][ T788] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.243080][ T788] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.243695][ T788] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.244430][ T788] ___sys_sendmsg (net/socket.c:2670) 
[ 153.245013][ T788] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 153.245569][ T788] ? __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) 
[ 153.246300][ T788] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.246897][ T788] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.247462][ T788] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.248084][ T788] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.248685][ T788] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 153.249252][ T788] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.249858][ T788] __sys_sendmsg (net/socket.c:2700) 
[ 153.250430][ T788] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 153.251081][ T788] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.251417][ T788] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.251762][ T788] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.252088][ T788] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.252479][  T788] RIP: 0033:0x7f5ce8cb51e7
[ 153.252819][ T788] 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)
[  153.253921][  T788] RSP: 002b:00007ffca18a2cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.254402][  T788] RAX: ffffffffffffffda RBX: 00007ffca18a33e0 RCX: 00007f5ce8cb51e7
[  153.254883][  T788] RDX: 0000000000000000 RSI: 00007ffca18a2d20 RDI: 0000000000000005
[  153.255348][  T788] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  153.255834][  T788] R10: 00007f5ce8bb2ee8 R11: 0000000000000246 R12: 0000000000000003
[  153.256305][  T788] R13: 00000000686e1c18 R14: 0000000000499600 R15: 0000000000000000
| [  153.512668][  T790] ------------[ cut here ]------------
| [ 153.513231][ T790] WARNING: CPU: 1 PID: 790 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) 
| [  153.514341][  T790] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  153.516722][  T790] Tainted: [W]=WARN
[  153.517139][  T790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.517836][ T790] 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) 
[ 153.518409][ T790] 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
[  153.520342][  T790] RSP: 0018:ffffc90000f56f70 EFLAGS: 00010246
[  153.521068][  T790] RAX: 0000000000000000 RBX: ffff88800ff92000 RCX: 0000000000000001
[  153.521890][  T790] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[  153.522707][  T790] RBP: ffffc90000f57058 R08: 0000000000000000 R09: 0000000000000000
[  153.523530][  T790] R10: ffffc90000f57088 R11: ffffffffb9179160 R12: 1ffff920001eadf2
[  153.524353][  T790] R13: 00000000000005dc R14: ffffc90000f57088 R15: ffff88800ff92f08
[  153.525224][  T790] FS:  00007fee297ef800(0000) GS:ffff88807b537000(0000) knlGS:0000000000000000
[  153.526207][  T790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.526918][  T790] CR2: 00000000004e5de8 CR3: 0000000002aaa005 CR4: 0000000000772ef0
[  153.527760][  T790] PKRU: 55555554
[  153.528123][  T790] Call Trace:
[  153.528503][  T790]  <TASK>
[ 153.528812][ T790] ? __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) 
[ 153.529491][ T790] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 153.530110][ T790] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 153.530674][ T790] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 153.531228][ T790] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.531782][ T790] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 153.532325][ T790] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.532890][ T790] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.533428][ T790] ? ___sys_sendmsg (net/socket.c:2670) 
[ 153.533987][ T790] ? __sys_sendmsg (net/socket.c:2700) 
[ 153.534532][ T790] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.535093][ T790] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 153.535783][ T790] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.536327][ T790] netif_set_mtu (net/core/dev.c:9652) 
[ 153.536901][ T790] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.537421][ T790] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.537842][ T790] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.538586][ T790] br_del_if (net/bridge/br_if.c:743) bridge 
[ 153.539187][ T790] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 153.539729][ T790] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 153.540274][ T790] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 153.540866][ T790] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 153.541571][ T790] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 153.542141][ T790] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 153.542700][ T790] ? __kernel_text_address (kernel/extable.c:79) 
[ 153.543241][ T790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.543791][ T790] ? __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) 
[ 153.544351][ T790] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 153.545050][ T790] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.545594][ T790] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.546131][ T790] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 153.546678][ T790] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 153.547237][ T790] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.547780][ T790] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.548332][ T790] ? __create_object (mm/kmemleak.c:771) 
[ 153.548909][ T790] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 153.549464][ T790] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 153.550022][ T790] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 153.550715][ T790] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 153.551284][ T790] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.551834][ T790] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.552398][ T790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.552988][ T790] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.553536][ T790] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.554111][ T790] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.554672][ T790] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.555083][ T790] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.555391][ T790] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.555730][ T790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.556046][ T790] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.556349][ T790] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.556687][ T790] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.557005][ T790] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.557306][ T790] ? 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) 
[ 153.557627][ T790] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 153.557946][ T790] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.558253][ T790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.558651][ T790] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.559206][ T790] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.559543][ T790] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.559913][ T790] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.560265][ T790] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.560677][ T790] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.561182][ T790] ___sys_sendmsg (net/socket.c:2670) 
[ 153.561594][ T790] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 153.562014][ T790] ? __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) 
[ 153.562480][ T790] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.562830][ T790] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.563156][ T790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.563489][ T790] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.564060][ T790] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 153.564605][ T790] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.565198][ T790] __sys_sendmsg (net/socket.c:2700) 
[ 153.565749][ T790] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 153.566332][ T790] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.566737][ T790] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.567119][ T790] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.567516][ T790] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.568234][  T790] RIP: 0033:0x7fee299bc1e7
[ 153.568848][ T790] 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)
[  153.570736][  T790] RSP: 002b:00007ffedfb1f8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.571240][  T790] RAX: ffffffffffffffda RBX: 00007ffedfb1fff0 RCX: 00007fee299bc1e7
[  153.571749][  T790] RDX: 0000000000000000 RSI: 00007ffedfb1f930 RDI: 0000000000000005
[  153.572228][  T790] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  153.572741][  T790] R10: 00007fee298b9ee8 R11: 0000000000000246 R12: 0000000000000003
[  153.573217][  T790] R13: 00000000686e1c19 R14: 0000000000499600 R15: 0000000000000000
| [  154.184182][  T794] ------------[ cut here ]------------
| [ 154.184506][ T794] WARNING: CPU: 3 PID: 794 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) 
| [  154.185120][  T794] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  154.186495][  T794] Tainted: [W]=WARN
[  154.186738][  T794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 154.187133][ T794] 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) 
[ 154.187446][ T794] 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
[  154.188573][  T794] RSP: 0018:ffffc90000f76f70 EFLAGS: 00010246
[  154.189002][  T794] RAX: 0000000000000000 RBX: ffff88800ff92000 RCX: 0000000000000001
[  154.189469][  T794] RDX: 0000000000000000 RSI: ffffffffb8c9b941 RDI: ffffffffb84555e0
[  154.189947][  T794] RBP: ffffc90000f77058 R08: 0000000000000000 R09: 0000000000000000
[  154.190406][  T794] R10: ffffc90000f77088 R11: ffffffffb9179160 R12: 1ffff920001eedf2
[  154.191034][  T794] R13: 00000000000005dc R14: ffffc90000f77088 R15: ffff88800ff92f08
[  154.191495][  T794] FS:  00007ffa53a72800(0000) GS:ffff88807b637000(0000) knlGS:0000000000000000
[  154.192340][  T794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  154.192751][  T794] CR2: 00000000004e5ce0 CR3: 000000000c7a8006 CR4: 0000000000772ef0
[  154.193220][  T794] PKRU: 55555554
[  154.193454][  T794] Call Trace:
[  154.193696][  T794]  <TASK>
[ 154.193852][ T794] ? __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) 
[ 154.194234][ T794] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 154.194582][ T794] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 154.194902][ T794] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 154.195213][ T794] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 154.195522][ T794] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 154.195844][ T794] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.196151][ T794] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.196460][ T794] ? ___sys_sendmsg (net/socket.c:2670) 
[ 154.196772][ T794] ? __sys_sendmsg (net/socket.c:2700) 
[ 154.197092][ T794] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.197399][ T794] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 154.197784][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.198099][ T794] netif_set_mtu (net/core/dev.c:9652) 
[ 154.198407][ T794] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 154.198740][ T794] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 154.198975][ T794] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 154.199397][ T794] br_del_if (net/bridge/br_if.c:743) bridge 
[ 154.199746][ T794] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 154.200059][ T794] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 154.200365][ T794] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 154.200680][ T794] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 154.201089][ T794] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 154.201402][ T794] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 154.201715][ T794] ? __kernel_text_address (kernel/extable.c:79) 
[ 154.202028][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.202335][ T794] ? __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) 
[ 154.202651][ T794] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 154.203035][ T794] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.203345][ T794] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.203664][ T794] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 154.203981][ T794] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 154.204289][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.204594][ T794] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 154.204909][ T794] ? __create_object (mm/kmemleak.c:771) 
[ 154.205217][ T794] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 154.205540][ T794] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 154.205859][ T794] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 154.206248][ T794] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 154.206557][ T794] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 154.206877][ T794] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.207180][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.207487][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.207799][ T794] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 154.208101][ T794] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.208409][ T794] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.208721][ T794] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 154.209030][ T794] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.209336][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.209651][ T794] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 154.209956][ T794] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.210259][ T794] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 154.210571][ T794] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 154.210890][ T794] ? 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) 
[ 154.211211][ T794] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 154.211516][ T794] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 154.211823][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.212134][ T794] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.212440][ T794] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 154.212749][ T794] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 154.213057][ T794] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.213366][ T794] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 154.213674][ T794] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 154.214060][ T794] ___sys_sendmsg (net/socket.c:2670) 
[ 154.214359][ T794] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 154.214669][ T794] ? __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) 
[ 154.215048][ T794] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 154.215357][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.215670][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.215980][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.216279][ T794] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 154.216582][ T794] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.216903][ T794] __sys_sendmsg (net/socket.c:2700) 
[ 154.217204][ T794] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 154.217580][ T794] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 154.217906][ T794] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.218221][ T794] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.218529][ T794] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  154.218916][  T794] RIP: 0033:0x7ffa53c3f1e7
[ 154.219239][ T794] 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)
[  154.220389][  T794] RSP: 002b:00007ffe1d923c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  154.220878][  T794] RAX: ffffffffffffffda RBX: 00007ffe1d9243b0 RCX: 00007ffa53c3f1e7
[  154.221363][  T794] RDX: 0000000000000000 RSI: 00007ffe1d923cf0 RDI: 0000000000000005
[  154.221848][  T794] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  154.222503][  T794] R10: 00007ffa53b3cee8 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