======================================
| [   78.735579][  T629] veth1: entered promiscuous mode
| [   78.738046][  T629] ------------[ cut here ]------------
| [ 78.738394][ T629] WARNING: CPU: 0 PID: 629 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) 
| [   78.739031][  T629] Modules linked in: bridge stp llc vrf macvlan veth
[   78.740801][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 78.741194][ T629] 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) 
[ 78.741515][ T629] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   78.742641][  T629] RSP: 0018:ffffc90000506ef0 EFLAGS: 00010246
[   78.743045][  T629] RAX: 0000000000000000 RBX: ffff88800505a000 RCX: 0000000000000001
[   78.743518][  T629] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   78.744012][  T629] RBP: ffffc90000506fe0 R08: 0000000000000000 R09: 0000000000000000
[   78.744492][  T629] R10: ffffc90000507010 R11: ffffffffb8ca8918 R12: 1ffff920000a0de2
[   78.744963][  T629] R13: 00000000000005dc R14: ffffc90000507010 R15: ffff88800505af08
[   78.745431][  T629] FS:  00007fcd44d85800(0000) GS:ffff88807c2b7000(0000) knlGS:0000000000000000
[   78.745990][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.746391][  T629] CR2: 00000000004e5aa8 CR3: 00000000100a5001 CR4: 0000000000772ef0
[   78.746862][  T629] PKRU: 55555554
[   78.747119][  T629] Call Trace:
[   78.747392][  T629]  <TASK>
[ 78.747555][ T629] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 78.747899][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.748252][ T629] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 78.748564][ T629] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 78.748993][ T629] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 78.749321][ T629] netif_set_mtu (net/core/dev.c:9652) 
[ 78.749646][ T629] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 78.749965][ T629] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 78.750400][ T629] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 78.750641][ T629] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 78.751070][ T629] br_add_if (net/bridge/br_if.c:697) bridge 
[ 78.751444][ T629] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 78.751777][ T629] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 78.752104][ T629] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 78.752495][ T629] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 78.752830][ T629] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 78.753151][ T629] ? __kernel_text_address (kernel/extable.c:79) 
[ 78.753470][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.753790][ T629] ? __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) 
[ 78.754114][ T629] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 78.754493][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.754824][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.755131][ T629] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 78.755436][ T629] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 78.755757][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.756062][ T629] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 78.756381][ T629] ? __create_object (mm/kmemleak.c:771) 
[ 78.756715][ T629] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 78.757036][ T629] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 78.757365][ T629] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 78.757756][ T629] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 78.758070][ T629] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 78.758404][ T629] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 78.758721][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.759063][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.759371][ T629] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 78.759681][ T629] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 78.759991][ T629] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 78.760302][ T629] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 78.760609][ T629] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 78.760933][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.761250][ T629] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 78.761572][ T629] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 78.761904][ T629] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 78.762244][ T629] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 78.762591][ T629] ? 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) 
[ 78.762945][ T629] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 78.763291][ T629] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 78.763623][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.763978][ T629] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 78.764314][ T629] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 78.764660][ T629] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 78.764994][ T629] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 78.765321][ T629] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 78.765657][ T629] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 78.766080][ T629] ___sys_sendmsg (net/socket.c:2670) 
[ 78.766401][ T629] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 78.766729][ T629] ? __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) 
[ 78.767138][ T629] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 78.767477][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.767813][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.768147][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.768481][ T629] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 78.768811][ T629] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 78.769145][ T629] __sys_sendmsg (net/socket.c:2700) 
[ 78.769466][ T629] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 78.769873][ T629] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 78.770209][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.770542][ T629] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 78.770873][ T629] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   78.771274][  T629] RIP: 0033:0x7fcd44f521e7
[ 78.771652][ T629] 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)
[   78.772816][  T629] RSP: 002b:00007ffd1517c548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   78.773305][  T629] RAX: ffffffffffffffda RBX: 00007ffd1517cc70 RCX: 00007fcd44f521e7
[   78.773802][  T629] RDX: 0000000000000000 RSI: 00007ffd1517c5b0 RDI: 0000000000000005
[   78.774290][  T629] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   78.774785][  T629] R10: 00000000331cb910 R11: 0000000000000246 R12: 0000000000000003
[   78.775290][  T629] R13: 00000000686e6c32 R14: 0000000000499600 R15: 0000000000000000
| [  121.694758][  T847] ------------[ cut here ]------------
| [ 121.695085][ T847] WARNING: CPU: 2 PID: 847 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  121.695923][  T847] Modules linked in: bridge stp llc vrf macvlan veth
| [  121.697501][  T847] Tainted: [W]=WARN
[  121.697929][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.698488][ T847] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 121.698977][ T847] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  121.700275][  T847] RSP: 0018:ffffc90000cc6ef0 EFLAGS: 00010246
[  121.700896][  T847] RAX: 0000000000000000 RBX: ffff88800bd0a000 RCX: 0000000000000001
[  121.701607][  T847] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[  121.702137][  T847] RBP: ffffc90000cc6fe0 R08: 0000000000000000 R09: 0000000000000000
[  121.702615][  T847] R10: ffffc90000cc7010 R11: ffffffffb8ca8918 R12: 1ffff92000198de2
[  121.703101][  T847] R13: 00000000000005dc R14: ffffc90000cc7010 R15: ffff88800bd0af08
[  121.703610][  T847] FS:  00007f2bce24b800(0000) GS:ffff88807c3b7000(0000) knlGS:0000000000000000
[  121.704170][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.704577][  T847] CR2: 00000000004e5aa8 CR3: 0000000009419003 CR4: 0000000000772ef0
[  121.705059][  T847] PKRU: 55555554
[  121.705302][  T847] Call Trace:
[  121.705544][  T847]  <TASK>
[ 121.705727][ T847] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.706049][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.706390][ T847] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 121.706746][ T847] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 121.707151][ T847] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 121.707476][ T847] netif_set_mtu (net/core/dev.c:9652) 
[ 121.707814][ T847] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.708152][ T847] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 121.708652][ T847] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.708907][ T847] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 121.709350][ T847] br_add_if (net/bridge/br_if.c:697) bridge 
[ 121.709720][ T847] ? __pfx_irqentry_exit (kernel/entry/common.c:282) 
[ 121.710062][ T847] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 121.710388][ T847] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 121.710724][ T847] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 121.711127][ T847] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 121.711452][ T847] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 121.711784][ T847] ? __kernel_text_address (kernel/extable.c:79) 
[ 121.712112][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.712439][ T847] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 121.713074][ T847] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 121.713475][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.713812][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.714354][ T847] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 121.714693][ T847] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 121.715013][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.715334][ T847] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.715669][ T847] ? __create_object (mm/kmemleak.c:771) 
[ 121.716221][ T847] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 121.716538][ T847] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 121.717085][ T847] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 121.717480][ T847] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 121.717813][ T847] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.718370][ T847] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.718698][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.719024][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.719342][ T847] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.719887][ T847] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.720207][ T847] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.720525][ T847] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.720853][ T847] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.721394][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.721726][ T847] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.722045][ T847] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.722364][ T847] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.722702][ T847] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.723021][ T847] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 121.723338][ T847] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 121.723688][ T847] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.724229][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.724554][ T847] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.724886][ T847] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.725208][ T847] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.725771][ T847] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.726101][ T847] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.726418][ T847] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.726831][ T847] ___sys_sendmsg (net/socket.c:2670) 
[ 121.727369][ T847] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 121.727696][ T847] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 121.728087][ T847] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.728459][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.729014][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.729344][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.729669][ T847] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 121.729989][ T847] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.730537][ T847] __sys_sendmsg (net/socket.c:2700) 
[ 121.730864][ T847] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 121.731252][ T847] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.731591][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.731921][ T847] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.732241][ T847] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.732663][  T847] RIP: 0033:0x7f2bce4181e7
[ 121.733231][ T847] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  121.734355][  T847] RSP: 002b:00007ffd7135daa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.735073][  T847] RAX: ffffffffffffffda RBX: 00007ffd7135e1d0 RCX: 00007f2bce4181e7
[  121.735544][  T847] RDX: 0000000000000000 RSI: 00007ffd7135db10 RDI: 0000000000000005
[  121.736258][  T847] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  121.736754][  T847] R10: 0000000034652910 R11: 0000000000000246 R12: 0000000000000003
[  121.737229][  T847] R13: 00000000686e6c5d R14: 0000000000499600 R15: 0000000000000000
| [  222.555814][ T1426] ------------[ cut here ]------------
| [ 222.556129][ T1426] WARNING: CPU: 1 PID: 1426 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) 
| [  222.556757][ T1426] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  222.557876][ T1426] Tainted: [W]=WARN
[  222.558109][ T1426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 222.558510][ T1426] 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) 
[ 222.558837][ T1426] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  222.559945][ T1426] RSP: 0018:ffffc90000f96ef0 EFLAGS: 00010246
[  222.560334][ T1426] RAX: 0000000000000000 RBX: ffff88800bd0a000 RCX: 0000000000000001
[  222.560814][ T1426] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[  222.561278][ T1426] RBP: ffffc90000f96fe0 R08: 0000000000000000 R09: 0000000000000000
[  222.561747][ T1426] R10: ffffc90000f97010 R11: ffffffffb8ca8918 R12: 1ffff920001f2de2
[  222.562213][ T1426] R13: 00000000000005dc R14: ffffc90000f97010 R15: ffff88800bd0af08
[  222.562683][ T1426] FS:  00007f756b1cf800(0000) GS:ffff88807c337000(0000) knlGS:0000000000000000
[  222.563223][ T1426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  222.563610][ T1426] CR2: 00000000004e5aa8 CR3: 0000000004c63002 CR4: 0000000000772ef0
[  222.564085][ T1426] PKRU: 55555554
[  222.564316][ T1426] Call Trace:
[  222.564546][ T1426]  <TASK>
[ 222.564724][ T1426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 222.565035][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.565352][ T1426] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 222.565667][ T1426] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 222.566051][ T1426] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 222.566369][ T1426] netif_set_mtu (net/core/dev.c:9652) 
[ 222.566685][ T1426] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 222.567005][ T1426] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 222.567442][ T1426] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 222.567684][ T1426] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 222.568105][ T1426] br_add_if (net/bridge/br_if.c:697) bridge 
[ 222.568467][ T1426] ? cycle_netdev (drivers/net/vrf.c:1055) vrf 
[ 222.568800][ T1426] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 222.569118][ T1426] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 222.569431][ T1426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 222.569832][ T1426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 222.570143][ T1426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 222.570448][ T1426] ? __kernel_text_address (kernel/extable.c:79) 
[ 222.570777][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.571089][ T1426] ? __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) 
[ 222.571399][ T1426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 222.571790][ T1426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.572100][ T1426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.572408][ T1426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 222.572734][ T1426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 222.573046][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.573359][ T1426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 222.573674][ T1426] ? __create_object (mm/kmemleak.c:771) 
[ 222.573987][ T1426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 222.574296][ T1426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 222.574604][ T1426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 222.574996][ T1426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 222.575311][ T1426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 222.575642][ T1426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 222.575952][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.576265][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.576577][ T1426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 222.576905][ T1426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 222.577216][ T1426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 222.577521][ T1426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 222.577841][ T1426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 222.578155][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.578482][ T1426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 222.578806][ T1426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 222.579117][ T1426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 222.579438][ T1426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 222.579753][ T1426] ? 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) 
[ 222.580062][ T1426] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 222.580378][ T1426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 222.580708][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.581024][ T1426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 222.581337][ T1426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 222.581659][ T1426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 222.581980][ T1426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 222.582296][ T1426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 222.582608][ T1426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 222.583014][ T1426] ___sys_sendmsg (net/socket.c:2670) 
[ 222.583320][ T1426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 222.583640][ T1426] ? __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) 
[ 222.584027][ T1426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 222.584339][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.584670][ T1426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.584992][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.585306][ T1426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 222.585617][ T1426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 222.585943][ T1426] __sys_sendmsg (net/socket.c:2700) 
[ 222.586252][ T1426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 222.586645][ T1426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 222.586968][ T1426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.587280][ T1426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 222.587594][ T1426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  222.587988][ T1426] RIP: 0033:0x7f756b39c1e7
[ 222.588308][ T1426] 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)
[  222.589435][ T1426] RSP: 002b:00007ffcb5d24e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  222.589918][ T1426] RAX: ffffffffffffffda RBX: 00007ffcb5d25590 RCX: 00007f756b39c1e7
[  222.590381][ T1426] RDX: 0000000000000000 RSI: 00007ffcb5d24ed0 RDI: 0000000000000005
[  222.590855][ T1426] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  222.591316][ T1426] R10: 000000000b6e4910 R11: 0000000000000246 R12: 0000000000000003
[  222.591798][ T1426] R13: 00000000686e6cc2 R14: 0000000000499600 R15: 0000000000000000
| [  277.254738][ T1761] ------------[ cut here ]------------
| [ 277.255053][ T1761] WARNING: CPU: 1 PID: 1761 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) 
| [  277.257345][ T1761] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  277.258472][ T1761] Tainted: [W]=WARN
[  277.258727][ T1761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 277.259114][ T1761] 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) 
[ 277.259430][ T1761] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  277.260524][ T1761] RSP: 0018:ffffc90001846ef0 EFLAGS: 00010246
[  277.260923][ T1761] RAX: 0000000000000000 RBX: ffff88800bd0a000 RCX: 0000000000000001
[  277.261383][ T1761] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[  277.261847][ T1761] RBP: ffffc90001846fe0 R08: 0000000000000000 R09: 0000000000000000
[  277.262303][ T1761] R10: ffffc90001847010 R11: ffffffffb8ca8918 R12: 1ffff92000308de2
[  277.262773][ T1761] R13: 00000000000005dc R14: ffffc90001847010 R15: ffff88800bd0af08
[  277.263231][ T1761] FS:  00007f97ee0b0800(0000) GS:ffff88807c337000(0000) knlGS:0000000000000000
[  277.263768][ T1761] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  277.264149][ T1761] CR2: 00000000004e5aa8 CR3: 000000000a7e3003 CR4: 0000000000772ef0
[  277.264607][ T1761] PKRU: 55555554
[  277.264850][ T1761] Call Trace:
[  277.265080][ T1761]  <TASK>
[ 277.265238][ T1761] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 277.265543][ T1761] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.265864][ T1761] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 277.266167][ T1761] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 277.266553][ T1761] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 277.266867][ T1761] netif_set_mtu (net/core/dev.c:9652) 
[ 277.267178][ T1761] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 277.267495][ T1761] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 277.267933][ T1761] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 277.268164][ T1761] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 277.268609][ T1761] br_add_if (net/bridge/br_if.c:697) bridge 
[ 277.268971][ T1761] ? cycle_netdev (drivers/net/vrf.c:1055) vrf 
[ 277.269279][ T1761] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 277.269593][ T1761] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 277.269909][ T1761] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 277.270295][ T1761] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 277.270604][ T1761] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 277.270917][ T1761] ? __kernel_text_address (kernel/extable.c:79) 
[ 277.271225][ T1761] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.271531][ T1761] ? __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) 
[ 277.271847][ T1761] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 277.272222][ T1761] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 277.272526][ T1761] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 277.272839][ T1761] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 277.273141][ T1761] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 277.273445][ T1761] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.273761][ T1761] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 277.274068][ T1761] ? __create_object (mm/kmemleak.c:771) 
[ 277.274374][ T1761] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 277.274690][ T1761] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 277.274992][ T1761] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 277.275369][ T1761] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 277.275690][ T1761] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 277.276002][ T1761] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 277.276304][ T1761] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.276617][ T1761] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.276930][ T1761] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 277.277232][ T1761] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 277.277536][ T1761] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 277.277845][ T1761] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 277.278152][ T1761] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 277.278468][ T1761] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.278793][ T1761] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 277.279104][ T1761] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 277.279408][ T1761] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 277.279731][ T1761] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 277.280034][ T1761] ? 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) 
[ 277.280338][ T1761] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 277.280655][ T1761] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 277.280965][ T1761] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.281274][ T1761] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 277.281581][ T1761] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 277.281893][ T1761] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 277.282208][ T1761] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 277.282517][ T1761] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 277.282831][ T1761] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 277.283222][ T1761] ___sys_sendmsg (net/socket.c:2670) 
[ 277.283531][ T1761] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 277.283843][ T1761] ? __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) 
[ 277.284220][ T1761] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 277.284531][ T1761] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.284846][ T1761] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.285155][ T1761] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.285462][ T1761] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 277.285777][ T1761] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 277.286091][ T1761] __sys_sendmsg (net/socket.c:2700) 
[ 277.286395][ T1761] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 277.286785][ T1761] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 277.287101][ T1761] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 277.287406][ T1761] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 277.287720][ T1761] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  277.288121][ T1761] RIP: 0033:0x7f97ee27d1e7
[ 277.288447][ T1761] 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)
[  277.289545][ T1761] RSP: 002b:00007fff915a4408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  277.290015][ T1761] RAX: ffffffffffffffda RBX: 00007fff915a4b30 RCX: 00007f97ee27d1e7
[  277.290478][ T1761] RDX: 0000000000000000 RSI: 00007fff915a4470 RDI: 0000000000000005
[  277.290954][ T1761] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  277.291409][ T1761] R10: 0000000022c6b910 R11: 0000000000000246 R12: 0000000000000003
[  277.291871][ T1761] R13: 00000000686e6cf8 R14: 0000000000499600 R15: 0000000000000000
| [  330.104892][ T2068] ------------[ cut here ]------------
| [ 330.105294][ T2068] WARNING: CPU: 0 PID: 2068 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) 
| [  330.107113][ T2068] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  330.108839][ T2068] Tainted: [W]=WARN
[  330.109072][ T2068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 330.109461][ T2068] 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) 
[ 330.109787][ T2068] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  330.110872][ T2068] RSP: 0018:ffffc90001f56ef0 EFLAGS: 00010246
[  330.111257][ T2068] RAX: 0000000000000000 RBX: ffff88800505a000 RCX: 0000000000000001
[  330.111728][ T2068] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[  330.112183][ T2068] RBP: ffffc90001f56fe0 R08: 0000000000000000 R09: 0000000000000000
[  330.112643][ T2068] R10: ffffc90001f57010 R11: ffffffffb8ca8918 R12: 1ffff920003eade2
[  330.113099][ T2068] R13: 00000000000005dc R14: ffffc90001f57010 R15: ffff88800505af08
[  330.113560][ T2068] FS:  00007f8dd5b47800(0000) GS:ffff88807c2b7000(0000) knlGS:0000000000000000
[  330.114099][ T2068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  330.114482][ T2068] CR2: 00000000004e5aa8 CR3: 0000000010130001 CR4: 0000000000772ef0
[  330.114971][ T2068] PKRU: 55555554
[  330.115201][ T2068] Call Trace:
[  330.115430][ T2068]  <TASK>
[ 330.115591][ T2068] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 330.115902][ T2068] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.116215][ T2068] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 330.116520][ T2068] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 330.116907][ T2068] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 330.117215][ T2068] netif_set_mtu (net/core/dev.c:9652) 
[ 330.117544][ T2068] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 330.117871][ T2068] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 330.118301][ T2068] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 330.118547][ T2068] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 330.118976][ T2068] br_add_if (net/bridge/br_if.c:697) bridge 
[ 330.119330][ T2068] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 330.119651][ T2068] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 330.119961][ T2068] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 330.120376][ T2068] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 330.120689][ T2068] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 330.120995][ T2068] ? __kernel_text_address (kernel/extable.c:79) 
[ 330.121305][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.121610][ T2068] ? __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) 
[ 330.121924][ T2068] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 330.122311][ T2068] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 330.122656][ T2068] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 330.122965][ T2068] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 330.123270][ T2068] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 330.123620][ T2068] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.123936][ T2068] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 330.124239][ T2068] ? __create_object (mm/kmemleak.c:771) 
[ 330.124546][ T2068] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 330.124868][ T2068] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 330.125178][ T2068] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 330.125557][ T2068] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 330.125878][ T2068] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 330.126212][ T2068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 330.126517][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.126853][ T2068] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.127160][ T2068] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 330.127491][ T2068] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 330.127807][ T2068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 330.128111][ T2068] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 330.128419][ T2068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 330.128779][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.129115][ T2068] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 330.129423][ T2068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 330.129744][ T2068] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 330.130086][ T2068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 330.130392][ T2068] ? 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) 
[ 330.130709][ T2068] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 330.131043][ T2068] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 330.131355][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.131677][ T2068] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 330.131993][ T2068] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 330.132299][ T2068] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 330.132614][ T2068] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 330.132954][ T2068] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 330.133259][ T2068] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 330.133657][ T2068] ___sys_sendmsg (net/socket.c:2670) 
[ 330.133962][ T2068] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 330.134303][ T2068] ? __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) 
[ 330.134699][ T2068] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 330.135008][ T2068] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.135317][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.135627][ T2068] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.135942][ T2068] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 330.136247][ T2068] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 330.136560][ T2068] __sys_sendmsg (net/socket.c:2700) 
[ 330.136877][ T2068] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 330.137261][ T2068] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 330.137579][ T2068] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 330.137895][ T2068] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 330.138206][ T2068] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  330.138598][ T2068] RIP: 0033:0x7f8dd5d141e7
[ 330.138926][ T2068] 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)
[  330.140031][ T2068] RSP: 002b:00007ffc94342db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  330.140524][ T2068] RAX: ffffffffffffffda RBX: 00007ffc943434e0 RCX: 00007f8dd5d141e7
[  330.140991][ T2068] RDX: 0000000000000000 RSI: 00007ffc94342e20 RDI: 0000000000000005
[  330.141469][ T2068] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  330.141936][ T2068] R10: 000000003a7ae910 R11: 0000000000000246 R12: 0000000000000003
[  330.142486][ T2068] R13: 00000000686e6d2d R14: 0000000000499600 R15: 0000000000000000
| [  373.610854][ T2292] ------------[ cut here ]------------
| [ 373.611185][ T2292] WARNING: CPU: 2 PID: 2292 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) 
| [  373.612023][ T2292] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  373.613572][ T2292] Tainted: [W]=WARN
[  373.613976][ T2292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 373.614514][ T2292] 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) 
[ 373.614869][ T2292] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  373.615981][ T2292] RSP: 0018:ffffc900026f6ef0 EFLAGS: 00010246
[  373.616384][ T2292] RAX: 0000000000000000 RBX: ffff88800bd0a000 RCX: 0000000000000001
[  373.616865][ T2292] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[  373.617336][ T2292] RBP: ffffc900026f6fe0 R08: 0000000000000000 R09: 0000000000000000
[  373.617819][ T2292] R10: ffffc900026f7010 R11: ffffffffb8ca8918 R12: 1ffff920004dede2
[  373.618290][ T2292] R13: 00000000000005dc R14: ffffc900026f7010 R15: ffff88800bd0af08
[  373.618786][ T2292] FS:  00007fcea89bf800(0000) GS:ffff88807c3b7000(0000) knlGS:0000000000000000
[  373.619333][ T2292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  373.619741][ T2292] CR2: 00000000004e5aa8 CR3: 0000000005b8e003 CR4: 0000000000772ef0
[  373.620214][ T2292] PKRU: 55555554
[  373.620457][ T2292] Call Trace:
[  373.620711][ T2292]  <TASK>
[ 373.620884][ T2292] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 373.621235][ T2292] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.621564][ T2292] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 373.621900][ T2292] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 373.622296][ T2292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 373.622617][ T2292] netif_set_mtu (net/core/dev.c:9652) 
[ 373.622966][ T2292] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 373.623295][ T2292] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 373.623752][ T2292] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 373.623999][ T2292] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 373.624431][ T2292] br_add_if (net/bridge/br_if.c:697) bridge 
[ 373.624815][ T2292] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 373.625139][ T2292] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 373.625463][ T2292] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 373.625871][ T2292] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 373.626189][ T2292] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 373.626501][ T2292] ? __kernel_text_address (kernel/extable.c:79) 
[ 373.626839][ T2292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.627158][ T2292] ? __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) 
[ 373.627479][ T2292] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 373.627880][ T2292] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 373.628201][ T2292] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 373.628520][ T2292] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 373.628856][ T2292] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 373.629175][ T2292] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.629497][ T2292] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 373.629824][ T2292] ? __create_object (mm/kmemleak.c:771) 
[ 373.630152][ T2292] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 373.630469][ T2292] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 373.630799][ T2292] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 373.631188][ T2292] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 373.631511][ T2292] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 373.631852][ T2292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 373.632168][ T2292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.632489][ T2292] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.632818][ T2292] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 373.633132][ T2292] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 373.633450][ T2292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 373.633781][ T2292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 373.634108][ T2292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 373.634434][ T2292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.634770][ T2292] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 373.635089][ T2292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 373.635405][ T2292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 373.635745][ T2292] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 373.636060][ T2292] ? 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) 
[ 373.636376][ T2292] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 373.636717][ T2292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 373.637034][ T2292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.637356][ T2292] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 373.637691][ T2292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 373.638010][ T2292] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 373.638339][ T2292] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 373.638679][ T2292] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 373.639001][ T2292] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 373.639402][ T2292] ___sys_sendmsg (net/socket.c:2670) 
[ 373.639729][ T2292] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 373.640045][ T2292] ? __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) 
[ 373.640437][ T2292] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 373.640769][ T2292] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.641090][ T2292] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.641415][ T2292] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.641746][ T2292] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 373.642061][ T2292] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 373.642387][ T2292] __sys_sendmsg (net/socket.c:2700) 
[ 373.642713][ T2292] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 373.643103][ T2292] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 373.643430][ T2292] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 373.643762][ T2292] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 373.644091][ T2292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  373.644482][ T2292] RIP: 0033:0x7fcea8b8c1e7
[ 373.644819][ T2292] 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)
[  373.645931][ T2292] RSP: 002b:00007ffda0e443b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  373.646416][ T2292] RAX: ffffffffffffffda RBX: 00007ffda0e44ae0 RCX: 00007fcea8b8c1e7
[  373.646899][ T2292] RDX: 0000000000000000 RSI: 00007ffda0e44420 RDI: 0000000000000005
[  373.647367][ T2292] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  373.647848][ T2292] R10: 0000000006abc910 R11: 0000000000000246 R12: 0000000000000003


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