======================================
| # [  118.513170] c1: entered promiscuous mode
| # [  118.516621] ------------[ cut here ]------------
| # [  118.516991] WARNING: CPU: 2 PID: 1016 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) 
| # [  118.518635] Modules linked in: bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
# [  118.520213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  118.520647] 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) 
# [ 118.521001] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
# [  118.522142] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
# [  118.522571] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
# [  118.523090] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
# [  118.523588] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
# [  118.524070] R10: ffffc90000617010 R11: ffffffff959798a0 R12: 1ffff920000c2de2
# [  118.524891] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800c242f08
# [  118.525387] FS:  00007f130a392800(0000) GS:ffff888097da7000(0000) knlGS:0000000000000000
# [  118.525947] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  118.526365] CR2: 00000000004e6888 CR3: 000000000fea1004 CR4: 0000000000772ef0
# [  118.526856] PKRU: 55555554
# [  118.527106] Call Trace:
# [  118.527370]  <TASK>
# [  118.527549] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  118.527881] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  118.528232] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  118.528589] netif_set_mtu (net/core/dev.c:9652) 
# [  118.528918] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  118.529282] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  118.529536] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  118.529981] br_add_if (net/bridge/br_if.c:697) bridge 
# [  118.530358] do_set_master (net/core/rtnetlink.c:2948) 
# [  118.530688] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  118.531015] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  118.531431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  118.531766] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  118.532093] ? __kernel_text_address (kernel/extable.c:79) 
# [  118.532456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  118.532799] ? __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) 
# [  118.533122] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  118.533531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  118.533860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  118.534187] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  118.534520] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  118.534853] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  118.535171] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  118.535500] ? __create_object (mm/kmemleak.c:771) 
# [  118.535830] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  118.536156] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  118.536507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  118.536918] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  118.537251] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  118.537606] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  118.537938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  118.538288] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  118.538615] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  118.538932] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  118.539266] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  118.539601] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  118.539925] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  118.540253] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  118.540618] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  118.540964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  118.541297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  118.541631] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  118.541959] ? 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) 
# [  118.542291] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  118.542639] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  118.542961] ? __create_object (mm/kmemleak.c:771) 
# [  118.543294] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  118.543623] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  118.543955] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  118.544310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  118.544651] ? __kasan_kmalloc (mm/kasan/common.c:398) 
# [  118.544982] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  118.545331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  118.545662] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  118.546082] ___sys_sendmsg (net/socket.c:2670) 
# [  118.546416] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  118.546750] ? __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) 
# [  118.547153] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  118.547491] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  118.547815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  118.548141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  118.548482] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  118.548817] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  118.549157] __sys_sendmsg (net/socket.c:2700) 
# [  118.549493] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  118.549814] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
# [  118.550149] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
# [  118.550611] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  118.550942] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  118.551362] RIP: 0033:0x7f130a55f1e7
# [ 118.551711] 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)
# [  118.552866] RSP: 002b:00007fff593e8e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  118.553362] RAX: ffffffffffffffda RBX: 00007fff593e9550 RCX: 00007f130a55f1e7
# [  118.553857] RDX: 0000000000000000 RSI: 00007fff593e8e90 RDI: 0000000000000005
# [  118.554352] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  118.554834] R10: 00000000133c9910 R11: 0000000000000246 R12: 0000000000000003
# [  118.555322] R13: 00000000686e41e6 R14: 0000000000499600 R15: 0000000000000000
| # [  119.324659] ------------[ cut here ]------------
| # [  119.325101] WARNING: CPU: 3 PID: 1021 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) 
| # [  119.327170] Modules linked in: bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| # [  119.329722] Tainted: [W]=WARN
# [  119.330143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  119.330846] 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) 
# [ 119.331432] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
# [  119.333237] RSP: 0018:ffffc90000746ef0 EFLAGS: 00010246
# [  119.333861] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
# [  119.334463] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
# [  119.335167] RBP: ffffc90000746fe0 R08: 0000000000000000 R09: 0000000000000000
# [  119.335954] R10: ffffc90000747010 R11: ffffffff959798a0 R12: 1ffff920000e8de2
# [  119.336730] R13: 00000000000005dc R14: ffffc90000747010 R15: ffff88800c242f08
# [  119.337595] FS:  00007f1aa2a88800(0000) GS:ffff888097e27000(0000) knlGS:0000000000000000
# [  119.338409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  119.339121] CR2: 00000000004e6888 CR3: 000000000c130002 CR4: 0000000000772ef0
# [  119.340003] PKRU: 55555554
# [  119.340416] Call Trace:
# [  119.340732]  <TASK>
# [  119.340993] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  119.341584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  119.342030] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  119.342495] netif_set_mtu (net/core/dev.c:9652) 
# [  119.343079] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  119.343565] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  119.343935] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  119.344755] br_add_if (net/bridge/br_if.c:697) bridge 
# [  119.345303] do_set_master (net/core/rtnetlink.c:2948) 
# [  119.345841] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  119.346439] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  119.347174] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  119.347753] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  119.348348] ? __kernel_text_address (kernel/extable.c:79) 
# [  119.348932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  119.349523] ? __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) 
# [  119.350090] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  119.350817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  119.351251] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  119.351803] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  119.352407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  119.352989] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  119.353577] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  119.354142] ? __create_object (mm/kmemleak.c:771) 
# [  119.354727] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  119.355322] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  119.355881] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  119.356485] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  119.357072] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  119.357667] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  119.358236] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  119.358845] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  119.359432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  119.359992] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  119.360615] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  119.361181] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  119.361773] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  119.362369] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  119.362965] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  119.363469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  119.363899] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  119.364515] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  119.365061] ? 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) 
# [  119.365633] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  119.366187] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  119.366753] ? __create_object (mm/kmemleak.c:771) 
# [  119.367316] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  119.367764] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  119.368304] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  119.368858] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  119.369429] ? __kasan_kmalloc (mm/kasan/common.c:398) 
# [  119.369997] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  119.370567] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  119.371114] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  119.371840] ___sys_sendmsg (net/socket.c:2670) 
# [  119.372418] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  119.372986] ? __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) 
# [  119.373628] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  119.374085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  119.374666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  119.375228] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  119.375799] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  119.376380] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  119.376963] __sys_sendmsg (net/socket.c:2700) 
# [  119.377536] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  119.378087] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
# [  119.378676] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
# [  119.379394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  119.379948] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  119.380663] RIP: 0033:0x7f1aa2c551e7
# [ 119.381246] 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)
# [  119.383156] RSP: 002b:00007ffca60cc918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  119.383643] RAX: ffffffffffffffda RBX: 00007ffca60cd040 RCX: 00007f1aa2c551e7
# [  119.384121] RDX: 0000000000000000 RSI: 00007ffca60cc980 RDI: 0000000000000005
# [  119.384623] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  119.385096] R10: 000000000ce28910 R11: 0000000000000246 R12: 0000000000000003
# [  119.385578] R13: 00000000686e41e7 R14: 0000000000499600 R15: 0000000000000000
| # [  120.179437] ------------[ cut here ]------------
| # [  120.179756] WARNING: CPU: 0 PID: 1026 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) 
| # [  120.180387] Modules linked in: bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| # [  120.181969] Tainted: [W]=WARN
# [  120.182205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  120.182637] 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) 
# [ 120.182963] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
# [  120.184099] RSP: 0018:ffffc90000796ef0 EFLAGS: 00010246
# [  120.184498] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
# [  120.184960] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
# [  120.185441] RBP: ffffc90000796fe0 R08: 0000000000000000 R09: 0000000000000000
# [  120.185909] R10: ffffc90000797010 R11: ffffffff962b19b8 R12: 1ffff920000f2de2
# [  120.186390] R13: 00000000000005dc R14: ffffc90000797010 R15: ffff88800c242f08
# [  120.186852] FS:  00007f4af4307800(0000) GS:ffff888097ca7000(0000) knlGS:0000000000000000
# [  120.187408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  120.187800] CR2: 00000000004e6888 CR3: 000000000c5b5005 CR4: 0000000000772ef0
# [  120.188264] PKRU: 55555554
# [  120.188504] Call Trace:
# [  120.188737]  <TASK>
# [  120.188898] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  120.189210] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.189539] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
# [  120.189853] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# [  120.190296] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
# [  120.190613] netif_set_mtu (net/core/dev.c:9652) 
# [  120.190926] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  120.191305] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
# [  120.191741] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  120.191985] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  120.192445] br_add_if (net/bridge/br_if.c:697) bridge 
# [  120.192855] do_set_master (net/core/rtnetlink.c:2948) 
# [  120.193175] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  120.193522] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  120.193953] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  120.194313] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  120.194638] ? __kernel_text_address (kernel/extable.c:79) 
# [  120.194954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  120.195289] ? __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) 
# [  120.195607] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  120.195992] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  120.196329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  120.196641] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  120.196959] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  120.197280] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.197642] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  120.197981] ? __create_object (mm/kmemleak.c:771) 
# [  120.198326] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  120.198658] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  120.198968] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  120.199387] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  120.199721] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  120.200038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  120.200354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  120.200691] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.201003] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  120.201319] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  120.201666] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  120.202003] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  120.202344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  120.202694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  120.203014] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  120.203344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  120.203694] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  120.204019] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  120.204348] ? 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) 
# [  120.204681] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  120.204996] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  120.205310] ? __create_object (mm/kmemleak.c:771) 
# [  120.205634] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  120.205948] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  120.206261] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  120.206611] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  120.206933] ? __kasan_kmalloc (mm/kasan/common.c:398) 
# [  120.207249] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  120.207591] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  120.207905] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  120.208317] ___sys_sendmsg (net/socket.c:2670) 
# [  120.208641] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  120.208950] ? __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) 
# [  120.209359] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  120.209706] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.210026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  120.210368] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.210697] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  120.211009] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  120.211341] __sys_sendmsg (net/socket.c:2700) 
# [  120.211674] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  120.211990] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
# [  120.212316] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
# [  120.212734] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  120.213051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  120.213444] RIP: 0033:0x7f4af44d41e7
# [ 120.213783] 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)
# [  120.215035] RSP: 002b:00007ffcf08103b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  120.215519] RAX: ffffffffffffffda RBX: 00007ffcf0810ae0 RCX: 00007f4af44d41e7
# [  120.216019] RDX: 0000000000000000 RSI: 00007ffcf0810420 RDI: 0000000000000005
# [  120.216740] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  120.217219] R10: 000000000e210910 R11: 0000000000000246 R12: 0000000000000003
# [  120.217693] R13: 00000000686e41e7 R14: 0000000000499600 R15: 0000000000000000
| # [  120.960842] ------------[ cut here ]------------
| # [  120.961185] WARNING: CPU: 2 PID: 1031 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) 
| # [  120.961833] Modules linked in: bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| # [  120.963815] Tainted: [W]=WARN
# [  120.964072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  120.964480] 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) 
# [ 120.964825] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
# [  120.966178] RSP: 0018:ffffc900007f6ef0 EFLAGS: 00010246
# [  120.966800] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
# [  120.967510] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
# [  120.968153] RBP: ffffc900007f6fe0 R08: 0000000000000000 R09: 0000000000000000
# [  120.968787] R10: ffffc900007f7010 R11: ffffffff962b19b8 R12: 1ffff920000fede2
# [  120.969423] R13: 00000000000005dc R14: ffffc900007f7010 R15: ffff88800c242f08
# [  120.970054] FS:  00007fe899645800(0000) GS:ffff888097da7000(0000) knlGS:0000000000000000
# [  120.970768] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  120.971285] CR2: 00000000004e5770 CR3: 000000000a26c006 CR4: 0000000000772ef0
# [  120.971765] PKRU: 55555554
# [  120.972010] Call Trace:
# [  120.972254]  <TASK>
# [  120.972443] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  120.972787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.973124] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
# [  120.973460] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# [  120.973858] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
# [  120.974181] netif_set_mtu (net/core/dev.c:9652) 
# [  120.974516] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  120.974847] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
# [  120.975309] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  120.975557] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  120.975990] br_add_if (net/bridge/br_if.c:697) bridge 
# [  120.976365] do_set_master (net/core/rtnetlink.c:2948) 
# [  120.976693] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  120.977015] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  120.977447] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  120.977767] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  120.978085] ? __kernel_text_address (kernel/extable.c:79) 
# [  120.978421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  120.978745] ? __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) 
# [  120.979063] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  120.979469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  120.979804] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  120.980130] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  120.980457] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  120.980779] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.981096] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  120.981427] ? __create_object (mm/kmemleak.c:771) 
# [  120.981761] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  120.982083] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  120.982424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  120.982828] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  120.983153] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  120.983490] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  120.983813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  120.984138] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.984468] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  120.984790] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  120.985111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  120.985452] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  120.985779] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  120.986106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  120.986442] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  120.986764] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  120.987086] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  120.987437] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  120.987757] ? 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) 
# [  120.988084] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  120.988423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  120.988742] ? __create_object (mm/kmemleak.c:771) 
# [  120.989060] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  120.989400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  120.989734] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  120.990054] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  120.990388] ? __kasan_kmalloc (mm/kasan/common.c:398) 
# [  120.990712] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  120.991034] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  120.991363] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  120.991770] ___sys_sendmsg (net/socket.c:2670) 
# [  120.992093] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  120.992431] ? __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) 
# [  120.992838] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  120.993164] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.993503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  120.993841] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  120.994159] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  120.994521] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  120.994851] __sys_sendmsg (net/socket.c:2700) 
# [  120.995172] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  120.995499] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
# [  120.995828] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
# [  120.996232] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  120.996574] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  120.996979] RIP: 0033:0x7fe8998121e7
# [ 120.997324] 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)
# [  120.998525] RSP: 002b:00007fff38270428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  120.999011] RAX: ffffffffffffffda RBX: 00007fff38270b50 RCX: 00007fe8998121e7
# [  120.999504] RDX: 0000000000000000 RSI: 00007fff38270490 RDI: 0000000000000005
# [  120.999978] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  121.000462] R10: 000000002e65f910 R11: 0000000000000246 R12: 0000000000000003
# [  121.000937] R13: 00000000686e41e8 R14: 0000000000499600 R15: 0000000000000000
| [  118.513170][ T1016] c1: entered promiscuous mode
| [  118.516621][ T1016] ------------[ cut here ]------------
| [ 118.516991][ T1016] WARNING: CPU: 2 PID: 1016 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) 
| [  118.518635][ T1016] Modules linked in: bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[  118.520213][ T1016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.520647][ T1016] 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) 
[ 118.521001][ T1016] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  118.522142][ T1016] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[  118.522571][ T1016] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
[  118.523090][ T1016] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
[  118.523588][ T1016] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[  118.524070][ T1016] R10: ffffc90000617010 R11: ffffffff959798a0 R12: 1ffff920000c2de2
[  118.524891][ T1016] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800c242f08
[  118.525387][ T1016] FS:  00007f130a392800(0000) GS:ffff888097da7000(0000) knlGS:0000000000000000
[  118.525947][ T1016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.526365][ T1016] CR2: 00000000004e6888 CR3: 000000000fea1004 CR4: 0000000000772ef0
[  118.526856][ T1016] PKRU: 55555554
[  118.527106][ T1016] Call Trace:
[  118.527370][ T1016]  <TASK>
[ 118.527549][ T1016] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.527881][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.528232][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.528589][ T1016] netif_set_mtu (net/core/dev.c:9652) 
[ 118.528918][ T1016] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.529282][ T1016] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.529536][ T1016] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 118.529981][ T1016] br_add_if (net/bridge/br_if.c:697) bridge 
[ 118.530358][ T1016] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.530688][ T1016] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 118.531015][ T1016] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 118.531431][ T1016] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 118.531766][ T1016] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 118.532093][ T1016] ? __kernel_text_address (kernel/extable.c:79) 
[ 118.532456][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.532799][ T1016] ? __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) 
[ 118.533122][ T1016] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 118.533531][ T1016] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.533860][ T1016] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.534187][ T1016] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 118.534520][ T1016] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 118.534853][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.535171][ T1016] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.535500][ T1016] ? __create_object (mm/kmemleak.c:771) 
[ 118.535830][ T1016] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 118.536156][ T1016] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 118.536507][ T1016] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 118.536918][ T1016] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 118.537251][ T1016] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.537606][ T1016] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.537938][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.538288][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.538615][ T1016] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.538932][ T1016] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.539266][ T1016] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.539601][ T1016] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.539925][ T1016] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.540253][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.540618][ T1016] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.540964][ T1016] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.541297][ T1016] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.541631][ T1016] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.541959][ T1016] ? 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) 
[ 118.542291][ T1016] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.542639][ T1016] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.542961][ T1016] ? __create_object (mm/kmemleak.c:771) 
[ 118.543294][ T1016] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.543623][ T1016] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.543955][ T1016] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.544310][ T1016] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.544651][ T1016] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 118.544982][ T1016] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.545331][ T1016] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.545662][ T1016] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.546082][ T1016] ___sys_sendmsg (net/socket.c:2670) 
[ 118.546416][ T1016] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 118.546750][ T1016] ? __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) 
[ 118.547153][ T1016] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.547491][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.547815][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.548141][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.548482][ T1016] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 118.548817][ T1016] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.549157][ T1016] __sys_sendmsg (net/socket.c:2700) 
[ 118.549493][ T1016] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.549814][ T1016] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
[ 118.550149][ T1016] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
[ 118.550611][ T1016] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.550942][ T1016] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.551362][ T1016] RIP: 0033:0x7f130a55f1e7
[ 118.551711][ T1016] 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)
[  118.552866][ T1016] RSP: 002b:00007fff593e8e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.553362][ T1016] RAX: ffffffffffffffda RBX: 00007fff593e9550 RCX: 00007f130a55f1e7
[  118.553857][ T1016] RDX: 0000000000000000 RSI: 00007fff593e8e90 RDI: 0000000000000005
[  118.554352][ T1016] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  118.554834][ T1016] R10: 00000000133c9910 R11: 0000000000000246 R12: 0000000000000003
[  118.555322][ T1016] R13: 00000000686e41e6 R14: 0000000000499600 R15: 0000000000000000
| [  119.324659][ T1021] ------------[ cut here ]------------
| [ 119.325101][ T1021] WARNING: CPU: 3 PID: 1021 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) 
| [  119.327170][ T1021] Modules linked in: bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  119.329722][ T1021] Tainted: [W]=WARN
[  119.330143][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.330846][ T1021] 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) 
[ 119.331432][ T1021] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  119.333237][ T1021] RSP: 0018:ffffc90000746ef0 EFLAGS: 00010246
[  119.333861][ T1021] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
[  119.334463][ T1021] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
[  119.335167][ T1021] RBP: ffffc90000746fe0 R08: 0000000000000000 R09: 0000000000000000
[  119.335954][ T1021] R10: ffffc90000747010 R11: ffffffff959798a0 R12: 1ffff920000e8de2
[  119.336730][ T1021] R13: 00000000000005dc R14: ffffc90000747010 R15: ffff88800c242f08
[  119.337595][ T1021] FS:  00007f1aa2a88800(0000) GS:ffff888097e27000(0000) knlGS:0000000000000000
[  119.338409][ T1021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.339121][ T1021] CR2: 00000000004e6888 CR3: 000000000c130002 CR4: 0000000000772ef0
[  119.340003][ T1021] PKRU: 55555554
[  119.340416][ T1021] Call Trace:
[  119.340732][ T1021]  <TASK>
[ 119.340993][ T1021] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.341584][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.342030][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.342495][ T1021] netif_set_mtu (net/core/dev.c:9652) 
[ 119.343079][ T1021] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.343565][ T1021] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.343935][ T1021] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 119.344755][ T1021] br_add_if (net/bridge/br_if.c:697) bridge 
[ 119.345303][ T1021] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.345841][ T1021] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 119.346439][ T1021] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 119.347174][ T1021] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 119.347753][ T1021] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 119.348348][ T1021] ? __kernel_text_address (kernel/extable.c:79) 
[ 119.348932][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.349523][ T1021] ? __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) 
[ 119.350090][ T1021] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 119.350817][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.351251][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.351803][ T1021] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 119.352407][ T1021] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 119.352989][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.353577][ T1021] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.354142][ T1021] ? __create_object (mm/kmemleak.c:771) 
[ 119.354727][ T1021] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 119.355322][ T1021] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 119.355881][ T1021] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 119.356485][ T1021] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 119.357072][ T1021] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.357667][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.358236][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.358845][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.359432][ T1021] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.359992][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.360615][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.361181][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.361773][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.362369][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.362965][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.363469][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.363899][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.364515][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.365061][ T1021] ? 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) 
[ 119.365633][ T1021] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 119.366187][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.366753][ T1021] ? __create_object (mm/kmemleak.c:771) 
[ 119.367316][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.367764][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.368304][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.368858][ T1021] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.369429][ T1021] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 119.369997][ T1021] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.370567][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.371114][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.371840][ T1021] ___sys_sendmsg (net/socket.c:2670) 
[ 119.372418][ T1021] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 119.372986][ T1021] ? __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) 
[ 119.373628][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.374085][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.374666][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.375228][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.375799][ T1021] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 119.376380][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.376963][ T1021] __sys_sendmsg (net/socket.c:2700) 
[ 119.377536][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.378087][ T1021] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
[ 119.378676][ T1021] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
[ 119.379394][ T1021] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.379948][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.380663][ T1021] RIP: 0033:0x7f1aa2c551e7
[ 119.381246][ T1021] 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)
[  119.383156][ T1021] RSP: 002b:00007ffca60cc918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.383643][ T1021] RAX: ffffffffffffffda RBX: 00007ffca60cd040 RCX: 00007f1aa2c551e7
[  119.384121][ T1021] RDX: 0000000000000000 RSI: 00007ffca60cc980 RDI: 0000000000000005
[  119.384623][ T1021] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  119.385096][ T1021] R10: 000000000ce28910 R11: 0000000000000246 R12: 0000000000000003
[  119.385578][ T1021] R13: 00000000686e41e7 R14: 0000000000499600 R15: 0000000000000000
| [  120.179437][ T1026] ------------[ cut here ]------------
| [ 120.179756][ T1026] WARNING: CPU: 0 PID: 1026 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) 
| [  120.180387][ T1026] Modules linked in: bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  120.181969][ T1026] Tainted: [W]=WARN
[  120.182205][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.182637][ T1026] 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) 
[ 120.182963][ T1026] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  120.184099][ T1026] RSP: 0018:ffffc90000796ef0 EFLAGS: 00010246
[  120.184498][ T1026] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
[  120.184960][ T1026] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
[  120.185441][ T1026] RBP: ffffc90000796fe0 R08: 0000000000000000 R09: 0000000000000000
[  120.185909][ T1026] R10: ffffc90000797010 R11: ffffffff962b19b8 R12: 1ffff920000f2de2
[  120.186390][ T1026] R13: 00000000000005dc R14: ffffc90000797010 R15: ffff88800c242f08
[  120.186852][ T1026] FS:  00007f4af4307800(0000) GS:ffff888097ca7000(0000) knlGS:0000000000000000
[  120.187408][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.187800][ T1026] CR2: 00000000004e6888 CR3: 000000000c5b5005 CR4: 0000000000772ef0
[  120.188264][ T1026] PKRU: 55555554
[  120.188504][ T1026] Call Trace:
[  120.188737][ T1026]  <TASK>
[ 120.188898][ T1026] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.189210][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.189539][ T1026] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.189853][ T1026] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.190296][ T1026] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.190613][ T1026] netif_set_mtu (net/core/dev.c:9652) 
[ 120.190926][ T1026] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.191305][ T1026] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.191741][ T1026] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.191985][ T1026] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.192445][ T1026] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.192855][ T1026] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.193175][ T1026] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 120.193522][ T1026] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 120.193953][ T1026] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 120.194313][ T1026] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 120.194638][ T1026] ? __kernel_text_address (kernel/extable.c:79) 
[ 120.194954][ T1026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.195289][ T1026] ? __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) 
[ 120.195607][ T1026] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 120.195992][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.196329][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.196641][ T1026] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 120.196959][ T1026] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 120.197280][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.197642][ T1026] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.197981][ T1026] ? __create_object (mm/kmemleak.c:771) 
[ 120.198326][ T1026] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 120.198658][ T1026] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 120.198968][ T1026] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 120.199387][ T1026] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 120.199721][ T1026] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.200038][ T1026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.200354][ T1026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.200691][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.201003][ T1026] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.201319][ T1026] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.201666][ T1026] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.202003][ T1026] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.202344][ T1026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.202694][ T1026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.203014][ T1026] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.203344][ T1026] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.203694][ T1026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.204019][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.204348][ T1026] ? 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) 
[ 120.204681][ T1026] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.204996][ T1026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.205310][ T1026] ? __create_object (mm/kmemleak.c:771) 
[ 120.205634][ T1026] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.205948][ T1026] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.206261][ T1026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.206611][ T1026] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.206933][ T1026] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 120.207249][ T1026] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.207591][ T1026] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.207905][ T1026] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.208317][ T1026] ___sys_sendmsg (net/socket.c:2670) 
[ 120.208641][ T1026] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 120.208950][ T1026] ? __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) 
[ 120.209359][ T1026] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.209706][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.210026][ T1026] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.210368][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.210697][ T1026] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 120.211009][ T1026] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.211341][ T1026] __sys_sendmsg (net/socket.c:2700) 
[ 120.211674][ T1026] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.211990][ T1026] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
[ 120.212316][ T1026] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
[ 120.212734][ T1026] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.213051][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.213444][ T1026] RIP: 0033:0x7f4af44d41e7
[ 120.213783][ T1026] 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)
[  120.215035][ T1026] RSP: 002b:00007ffcf08103b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.215519][ T1026] RAX: ffffffffffffffda RBX: 00007ffcf0810ae0 RCX: 00007f4af44d41e7
[  120.216019][ T1026] RDX: 0000000000000000 RSI: 00007ffcf0810420 RDI: 0000000000000005
[  120.216740][ T1026] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  120.217219][ T1026] R10: 000000000e210910 R11: 0000000000000246 R12: 0000000000000003
[  120.217693][ T1026] R13: 00000000686e41e7 R14: 0000000000499600 R15: 0000000000000000
| [  120.960842][ T1031] ------------[ cut here ]------------
| [ 120.961185][ T1031] WARNING: CPU: 2 PID: 1031 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) 
| [  120.961833][ T1031] Modules linked in: bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  120.963815][ T1031] Tainted: [W]=WARN
[  120.964072][ T1031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.964480][ T1031] 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) 
[ 120.964825][ T1031] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  120.966178][ T1031] RSP: 0018:ffffc900007f6ef0 EFLAGS: 00010246
[  120.966800][ T1031] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
[  120.967510][ T1031] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
[  120.968153][ T1031] RBP: ffffc900007f6fe0 R08: 0000000000000000 R09: 0000000000000000
[  120.968787][ T1031] R10: ffffc900007f7010 R11: ffffffff962b19b8 R12: 1ffff920000fede2
[  120.969423][ T1031] R13: 00000000000005dc R14: ffffc900007f7010 R15: ffff88800c242f08
[  120.970054][ T1031] FS:  00007fe899645800(0000) GS:ffff888097da7000(0000) knlGS:0000000000000000
[  120.970768][ T1031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.971285][ T1031] CR2: 00000000004e5770 CR3: 000000000a26c006 CR4: 0000000000772ef0
[  120.971765][ T1031] PKRU: 55555554
[  120.972010][ T1031] Call Trace:
[  120.972254][ T1031]  <TASK>
[ 120.972443][ T1031] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.972787][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.973124][ T1031] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.973460][ T1031] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.973858][ T1031] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.974181][ T1031] netif_set_mtu (net/core/dev.c:9652) 
[ 120.974516][ T1031] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.974847][ T1031] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.975309][ T1031] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.975557][ T1031] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.975990][ T1031] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.976365][ T1031] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.976693][ T1031] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 120.977015][ T1031] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 120.977447][ T1031] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 120.977767][ T1031] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 120.978085][ T1031] ? __kernel_text_address (kernel/extable.c:79) 
[ 120.978421][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.978745][ T1031] ? __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) 
[ 120.979063][ T1031] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 120.979469][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.979804][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.980130][ T1031] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 120.980457][ T1031] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 120.980779][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.981096][ T1031] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.981427][ T1031] ? __create_object (mm/kmemleak.c:771) 
[ 120.981761][ T1031] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 120.982083][ T1031] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 120.982424][ T1031] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 120.982828][ T1031] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 120.983153][ T1031] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.983490][ T1031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.983813][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.984138][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.984468][ T1031] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.984790][ T1031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.985111][ T1031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.985452][ T1031] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.985779][ T1031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.986106][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.986442][ T1031] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.986764][ T1031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.987086][ T1031] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.987437][ T1031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.987757][ T1031] ? 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) 
[ 120.988084][ T1031] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.988423][ T1031] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.988742][ T1031] ? __create_object (mm/kmemleak.c:771) 
[ 120.989060][ T1031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.989400][ T1031] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.989734][ T1031] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.990054][ T1031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.990388][ T1031] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 120.990712][ T1031] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.991034][ T1031] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.991363][ T1031] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.991770][ T1031] ___sys_sendmsg (net/socket.c:2670) 
[ 120.992093][ T1031] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 120.992431][ T1031] ? __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) 
[ 120.992838][ T1031] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.993164][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.993503][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.993841][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.994159][ T1031] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 120.994521][ T1031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.994851][ T1031] __sys_sendmsg (net/socket.c:2700) 
[ 120.995172][ T1031] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.995499][ T1031] ? trace_kfree (./include/trace/events/kmem.h:94 (discriminator 21)) 
[ 120.995828][ T1031] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1025) 
[ 120.996232][ T1031] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.996574][ T1031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.996979][ T1031] RIP: 0033:0x7fe8998121e7
[ 120.997324][ T1031] 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)
[  120.998525][ T1031] RSP: 002b:00007fff38270428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.999011][ T1031] RAX: ffffffffffffffda RBX: 00007fff38270b50 RCX: 00007fe8998121e7
[  120.999504][ T1031] RDX: 0000000000000000 RSI: 00007fff38270490 RDI: 0000000000000005
[  120.999978][ T1031] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  121.000462][ T1031] R10: 000000002e65f910 R11: 0000000000000246 R12: 0000000000000003
[  121.000937][ T1031] R13: 00000000686e41e8 R14: 0000000000499600 R15: 0000000000000000
| [  135.714470][   T12] ------------[ cut here ]------------
| [ 135.714806][ T12] WARNING: CPU: 1 PID: 12 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) 
| [  135.715368][   T12] Modules linked in: nf_conntrack_netlink nfnetlink_queue nft_queue nft_ct nf_conntrack br_netfilter bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  135.717552][   T12] Tainted: [W]=WARN
[  135.717847][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  135.718329][   T12] Workqueue: netns cleanup_net
[ 135.718672][ T12] 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) 
[ 135.719000][ T12] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  135.720128][   T12] RSP: 0018:ffffc900000c75b0 EFLAGS: 00010246
[  135.720543][   T12] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
[  135.721011][   T12] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
[  135.721498][   T12] RBP: ffffc900000c76a0 R08: 0000000000000000 R09: 0000000000000000
[  135.721966][   T12] R10: ffffc900000c76d0 R11: ffffffff91ab586a R12: 1ffff92000018eba
[  135.722444][   T12] R13: 00000000000005dc R14: ffffc900000c76d0 R15: ffff88800c242f08
[  135.722925][   T12] FS:  0000000000000000(0000) GS:ffff888097d27000(0000) knlGS:0000000000000000
[  135.723486][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  135.723881][   T12] CR2: 00007fc0fcec6100 CR3: 000000000a99d002 CR4: 0000000000772ef0
[  135.724368][   T12] PKRU: 55555554
[  135.724748][   T12] Call Trace:
[  135.724987][   T12]  <TASK>
[ 135.725143][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 135.725467][ T12] ? __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) 
[ 135.725851][ T12] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 135.726240][ T12] ? br_device_event (net/bridge/br.c:141) bridge 
[ 135.726598][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 135.726916][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 135.727235][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 135.727560][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 135.727884][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 135.728199][ T12] ? kthread (kernel/kthread.c:464) 
[ 135.728448][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 135.728771][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 135.729091][ T12] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 135.729427][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 135.729749][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 135.730083][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 135.730336][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 135.730768][ T12] br_del_if (net/bridge/br_if.c:743) bridge 
[ 135.731118][ T12] br_device_event (net/bridge/br.c:141) bridge 
[ 135.731476][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 135.731900][ T12] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 135.732336][ T12] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 135.732669][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 135.733061][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 135.733383][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 135.733767][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 135.734145][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 135.734555][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 135.734949][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 135.735258][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 135.735661][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 135.735983][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 135.736303][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 135.736620][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 135.736941][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 135.737253][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 135.737585][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 135.737911][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 135.738228][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 135.738549][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 135.738871][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 135.739190][ T12] kthread (kernel/kthread.c:464) 
[ 135.739440][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 135.739748][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 135.740057][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 135.740379][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 135.740686][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 135.741001][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 135.741319][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 135.741631][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  136.462539][   T12] ------------[ cut here ]------------
| [ 136.462939][ T12] WARNING: CPU: 1 PID: 12 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) 
| [  136.463638][   T12] Modules linked in: nf_conntrack_netlink nfnetlink_queue nft_queue nft_ct nf_conntrack br_netfilter bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  136.466132][   T12] Tainted: [W]=WARN
[  136.466437][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  136.466830][   T12] Workqueue: netns cleanup_net
[ 136.467154][ T12] 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) 
[ 136.467479][ T12] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  136.468592][   T12] RSP: 0000:ffffc900000c75b0 EFLAGS: 00010246
[  136.468981][   T12] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
[  136.469449][   T12] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
[  136.469910][   T12] RBP: ffffc900000c76a0 R08: 0000000000000000 R09: 0000000000000000
[  136.470376][   T12] R10: ffffc900000c76d0 R11: ffffffff959798a0 R12: 1ffff92000018eba
[  136.470849][   T12] R13: 00000000000005dc R14: ffffc900000c76d0 R15: ffff88800c242f08
[  136.471318][   T12] FS:  0000000000000000(0000) GS:ffff888097d27000(0000) knlGS:0000000000000000
[  136.471872][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  136.472264][   T12] CR2: 00007ff32329bfe4 CR3: 0000000037736006 CR4: 0000000000772ef0
[  136.472763][   T12] PKRU: 55555554
[  136.472998][   T12] Call Trace:
[  136.473230][   T12]  <TASK>
[ 136.473393][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 136.473708][ T12] ? __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) 
[ 136.474097][ T12] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 136.474452][ T12] ? br_device_event (net/bridge/br.c:141) bridge 
[ 136.474796][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 136.475108][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 136.475425][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 136.475728][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 136.476039][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 136.476354][ T12] ? kthread (kernel/kthread.c:464) 
[ 136.476585][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 136.476893][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 136.477215][ T12] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 136.477538][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 136.477849][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 136.478177][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 136.478420][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 136.478840][ T12] br_del_if (net/bridge/br_if.c:743) bridge 
[ 136.479191][ T12] br_device_event (net/bridge/br.c:141) bridge 
[ 136.479540][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 136.479983][ T12] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 136.480417][ T12] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 136.480735][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 136.481123][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 136.481447][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 136.481836][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 136.482232][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 136.482645][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 136.483044][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 136.483368][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 136.483764][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 136.484091][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 136.484408][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 136.484725][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 136.485038][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 136.485362][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 136.485682][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 136.486001][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 136.486329][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 136.486642][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 136.486963][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 136.487286][ T12] kthread (kernel/kthread.c:464) 
[ 136.487520][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 136.487830][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 136.488142][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 136.488457][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 136.488767][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 136.489074][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 136.489399][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 136.489705][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  136.961988][   T12] ------------[ cut here ]------------
| [ 136.962358][ T12] WARNING: CPU: 2 PID: 12 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) 
| [  136.962924][   T12] Modules linked in: nf_conntrack_netlink nfnetlink_queue nft_queue nft_ct nf_conntrack br_netfilter bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  136.964962][   T12] Tainted: [W]=WARN
[  136.965220][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  136.965643][   T12] Workqueue: netns cleanup_net
[ 136.966019][ T12] 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) 
[ 136.966381][ T12] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  136.967531][   T12] RSP: 0018:ffffc900000c75b0 EFLAGS: 00010246
[  136.967947][   T12] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
[  136.968610][   T12] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
[  136.969293][   T12] RBP: ffffc900000c76a0 R08: 0000000000000000 R09: 0000000000000000
[  136.969972][   T12] R10: ffffc900000c76d0 R11: ffffffff959798a0 R12: 1ffff92000018eba
[  136.970659][   T12] R13: 00000000000005dc R14: ffffc900000c76d0 R15: ffff88800c242f08
[  136.971298][   T12] FS:  0000000000000000(0000) GS:ffff888097da7000(0000) knlGS:0000000000000000
[  136.971877][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  136.972304][   T12] CR2: 00007fb84567e2a8 CR3: 000000000b9f8001 CR4: 0000000000772ef0
[  136.972823][   T12] PKRU: 55555554
[  136.973090][   T12] Call Trace:
[  136.973356][   T12]  <TASK>
[ 136.973543][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 136.973888][ T12] ? __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) 
[ 136.974327][ T12] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 136.974720][ T12] ? br_device_event (net/bridge/br.c:141) bridge 
[ 136.975087][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 136.975445][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 136.975777][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 136.976109][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 136.976463][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 136.976796][ T12] ? kthread (kernel/kthread.c:464) 
[ 136.977045][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 136.977387][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 136.977726][ T12] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 136.978071][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 136.978410][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 136.978755][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 136.979002][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 136.979451][ T12] br_del_if (net/bridge/br_if.c:743) bridge 
[ 136.979810][ T12] br_device_event (net/bridge/br.c:141) bridge 
[ 136.980173][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 136.980618][ T12] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 136.981066][ T12] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 136.981410][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 136.981822][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 136.982147][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 136.982555][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 136.982982][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 136.983410][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 136.983822][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 136.984142][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 136.984582][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 136.984914][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 136.985239][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 136.985580][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 136.985930][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 136.986256][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 136.986607][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 136.986946][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 136.987298][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 136.987646][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 136.987988][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 136.988329][ T12] kthread (kernel/kthread.c:464) 
[ 136.988594][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 136.988930][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 136.989259][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 136.989615][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 136.989940][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 136.990279][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 136.990603][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 136.990927][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  137.488744][   T12] ------------[ cut here ]------------
| [ 137.489096][ T12] WARNING: CPU: 2 PID: 12 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) 
| [  137.489689][   T12] Modules linked in: nf_conntrack_netlink nfnetlink_queue nft_queue nft_ct nf_conntrack br_netfilter bridge stp llc nft_quota inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [  137.491726][   T12] Tainted: [W]=WARN
[  137.491976][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  137.492391][   T12] Workqueue: netns cleanup_net
[ 137.492742][ T12] 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) 
[ 137.493081][ T12] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  137.494249][   T12] RSP: 0018:ffffc900000c75b0 EFLAGS: 00010246
[  137.494691][   T12] RAX: 0000000000000000 RBX: ffff88800c242000 RCX: 0000000000000001
[  137.495172][   T12] RDX: 0000000000000000 RSI: ffffffff9549f52e RDI: ffffffff94c5a5a0
[  137.495666][   T12] RBP: ffffc900000c76a0 R08: 0000000000000000 R09: 0000000000000000
[  137.496141][   T12] R10: ffffc900000c76d0 R11: ffffffff959798a0 R12: 1ffff92000018eba
[  137.496639][   T12] R13: 00000000000005dc R14: ffffc900000c76d0 R15: ffff88800c242f08
[  137.497118][   T12] FS:  0000000000000000(0000) GS:ffff888097da7000(0000) knlGS:0000000000000000
[  137.497688][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  137.498095][   T12] CR2: 000055aa21bc1980 CR3: 0000000037736004 CR4: 0000000000772ef0
[  137.498596][   T12] PKRU: 55555554
[  137.498843][   T12] Call Trace:
[  137.499085][   T12]  <TASK>
[ 137.499255][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 137.499617][ T12] ? __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) 
[ 137.500017][ T12] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 137.500394][ T12] ? br_device_event (net/bridge/br.c:141) bridge 
[ 137.500752][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 137.501086][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 137.501420][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 137.501740][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 137.502067][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 137.502397][ T12] ? kthread (kernel/kthread.c:464) 
[ 137.502659][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 137.502979][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 137.503319][ T12] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 137.503652][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 137.503984][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 137.504335][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 137.504585][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 137.505033][ T12] br_del_if (net/bridge/br_if.c:743) bridge 
[ 137.505403][ T12] br_device_event (net/bridge/br.c:141) bridge 
[ 137.505763][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 137.506196][ T12] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 137.506655][ T12] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 137.507000][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 137.507420][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 137.507746][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 137.508148][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 137.508558][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 137.508956][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 137.509375][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 137.509702][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 137.510111][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 137.510475][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 137.510803][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 137.511152][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 137.511507][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 137.511855][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 137.512198][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 137.512560][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 137.512914][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 137.513249][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 137.513609][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 137.513940][ T12] kthread (kernel/kthread.c:464) 
[ 137.514200][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 137.514540][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 137.514881][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 137.515244][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 137.515596][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 137.515943][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 137.516295][ T12] ? __pfx_kthread (kernel/kthread.c:413) 


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