======================================
| xx__-> [   14.707029][  T251] ip (251) used greatest stack depth: 24560 bytes left
| [   17.460627][  T300] ------------[ cut here ]------------
| [ 17.461112][ T300] WARNING: CPU: 2 PID: 300 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) 
| [   17.461731][  T300] Modules linked in: vrf veth
[   17.462630][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.462992][ T300] 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) 
[ 17.463323][ T300] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   17.464378][  T300] RSP: 0018:ffffc90000b77140 EFLAGS: 00010246
[   17.464746][  T300] RAX: 0000000000000000 RBX: ffff888001ff4000 RCX: 0000000000000001
[   17.465213][  T300] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   17.465883][  T300] RBP: ffffc90000b77230 R08: ffff88800bec2000 R09: 0000000000000000
[   17.467453][  T300] R10: ffffc90000b775c8 R11: ffffffffbd050668 R12: 1ffff9200016ee2c
[   17.467901][  T300] R13: 0000000000002710 R14: ffffc90000b77880 R15: ffff88800a0766e0
[   17.468346][  T300] FS:  00007fd6e46b0800(0000) GS:ffff888077fb7000(0000) knlGS:0000000000000000
[   17.468865][  T300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.469242][  T300] CR2: 00000000004e5aa0 CR3: 0000000005007004 CR4: 0000000000772ef0
[   17.469727][  T300] PKRU: 55555554
[   17.469957][  T300] Call Trace:
[   17.470179][  T300]  <TASK>
[ 17.470349][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.470668][ T300] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.470957][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.471253][ T300] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.471571][ T300] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.471865][ T300] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.472159][ T300] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.472477][ T300] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.472854][ T300] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.473159][ T300] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.473521][ T300] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.473834][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.474131][ T300] ? __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) 
[ 17.474438][ T300] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.474812][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.475106][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.475406][ T300] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.475712][ T300] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.476003][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.476307][ T300] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.476611][ T300] ? __create_object (mm/kmemleak.c:771) 
[ 17.476909][ T300] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.477196][ T300] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.477509][ T300] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.477887][ T300] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.478185][ T300] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.478494][ T300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.478803][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.479111][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.479418][ T300] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.479720][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.480016][ T300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.480316][ T300] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.480607][ T300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.480916][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.481213][ T300] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.481527][ T300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.481834][ T300] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.482140][ T300] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.482447][ T300] ? 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) 
[ 17.482740][ T300] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 17.483045][ T300] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.483367][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.483664][ T300] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.483969][ T300] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.484285][ T300] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.484582][ T300] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.484893][ T300] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.485181][ T300] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.485570][ T300] ___sys_sendmsg (net/socket.c:2670) 
[ 17.485878][ T300] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.486164][ T300] ? __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) 
[ 17.486542][ T300] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.486834][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.487146][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.487450][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.487739][ T300] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.488042][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.488355][ T300] __sys_sendmsg (net/socket.c:2700) 
[ 17.488651][ T300] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.489032][ T300] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.489361][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.489655][ T300] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.489955][ T300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.490328][  T300] RIP: 0033:0x7fd6e487d1e7
[ 17.490630][ T300] 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)
[   17.491661][  T300] RSP: 002b:00007ffdc6559798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.492112][  T300] RAX: ffffffffffffffda RBX: 00007ffdc6559ec0 RCX: 00007fd6e487d1e7
[   17.492554][  T300] RDX: 0000000000000000 RSI: 00007ffdc6559800 RDI: 0000000000000005
[   17.492986][  T300] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   17.493457][  T300] R10: 00007fd6e477aee8 R11: 0000000000000246 R12: 0000000000000004
[   17.493887][  T300] R13: 00000000686e73b1 R14: 0000000000499600 R15: 0000000000000000
| [   19.914233][  T342] ------------[ cut here ]------------
| [ 19.914772][ T342] WARNING: CPU: 3 PID: 342 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) 
| [   19.915328][  T342] Modules linked in: 8021q vrf veth
| [   19.916174][  T342] Tainted: [W]=WARN
[   19.916400][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.916746][ T342] 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) 
[ 19.917033][ T342] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.918020][  T342] RSP: 0018:ffffc90000587140 EFLAGS: 00010246
[   19.918377][  T342] RAX: 0000000000000000 RBX: ffff88800bedc000 RCX: 0000000000000001
[   19.918788][  T342] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   19.919212][  T342] RBP: ffffc90000587230 R08: ffff88800519d000 R09: 0000000000000000
[   19.919630][  T342] R10: ffffc900005875c8 R11: ffffffffbd050668 R12: 1ffff920000b0e2c
[   19.920039][  T342] R13: 0000000000002710 R14: ffffc90000587880 R15: ffff88800932b160
[   19.920462][  T342] FS:  00007f3cf5e91800(0000) GS:ffff888078037000(0000) knlGS:0000000000000000
[   19.920938][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.921288][  T342] CR2: 00000000004e5ab8 CR3: 000000000e525002 CR4: 0000000000772ef0
[   19.921702][  T342] PKRU: 55555554
[   19.921910][  T342] Call Trace:
[   19.922116][  T342]  <TASK>
[ 19.922257][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.922549][ T342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.922821][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.923096][ T342] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.923380][ T342] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.923658][ T342] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.923936][ T342] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.924222][ T342] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.924582][ T342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.924857][ T342] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.925132][ T342] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.925419][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.925699][ T342] ? __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) 
[ 19.925975][ T342] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.926330][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.926607][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.926885][ T342] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.927169][ T342] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.927455][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.927736][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.928011][ T342] ? __create_object (mm/kmemleak.c:771) 
[ 19.928312][ T342] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.928603][ T342] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.928881][ T342] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.929290][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.929582][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.929866][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.930146][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.930446][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.930726][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.931001][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.931288][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.931568][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.931849][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.932132][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.932427][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.932704][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.932986][ T342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.933286][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.933564][ T342] ? 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) 
[ 19.933850][ T342] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.934134][ T342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.934420][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.934702][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.934984][ T342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.935275][ T342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.935561][ T342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.935845][ T342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.936124][ T342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.936491][ T342] ___sys_sendmsg (net/socket.c:2670) 
[ 19.936768][ T342] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.937055][ T342] ? __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) 
[ 19.937410][ T342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.937689][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.937968][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.938251][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.938539][ T342] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.938816][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.939121][ T342] __sys_sendmsg (net/socket.c:2700) 
[ 19.939409][ T342] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.939753][ T342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.940043][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.940332][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.940610][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.940954][  T342] RIP: 0033:0x7f3cf605e1e7
[ 19.941246][ T342] 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)
[   19.942249][  T342] RSP: 002b:00007ffe157ad5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.942681][  T342] RAX: ffffffffffffffda RBX: 00007ffe157adcd0 RCX: 00007f3cf605e1e7
[   19.943105][  T342] RDX: 0000000000000000 RSI: 00007ffe157ad610 RDI: 0000000000000005
[   19.943531][  T342] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.943948][  T342] R10: 00007f3cf5f5bee8 R11: 0000000000000246 R12: 0000000000000004
[   19.944372][  T342] R13: 00000000686e73b3 R14: 0000000000499600 R15: 0000000000000000
| [   23.242759][  T401] ------------[ cut here ]------------
| [ 23.243156][ T401] WARNING: CPU: 3 PID: 401 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.243893][  T401] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.245185][  T401] Tainted: [W]=WARN
[   23.245417][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.245834][ T401] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.246151][ T401] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.247512][  T401] RSP: 0018:ffffc90000597140 EFLAGS: 00010246
[   23.247949][  T401] RAX: 0000000000000000 RBX: ffff888002079000 RCX: 0000000000000001
[   23.248496][  T401] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   23.248970][  T401] RBP: ffffc90000597230 R08: ffff888002ade800 R09: 0000000000000000
[   23.249424][  T401] R10: ffffc900005975c8 R11: ffffffffbd050668 R12: 1ffff920000b2e2c
[   23.249837][  T401] R13: 0000000000002710 R14: ffffc90000597880 R15: ffff88800fd85560
[   23.250294][  T401] FS:  00007f5258d91800(0000) GS:ffff888078037000(0000) knlGS:0000000000000000
[   23.250786][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.251196][  T401] CR2: 00000000004e5aa8 CR3: 000000000e45b002 CR4: 0000000000772ef0
[   23.251913][  T401] PKRU: 55555554
[   23.252141][  T401] Call Trace:
[   23.252512][  T401]  <TASK>
[ 23.252654][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.252942][ T401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.253231][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.253696][ T401] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.253981][ T401] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.254382][ T401] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.254749][ T401] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.255036][ T401] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.255513][ T401] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.255791][ T401] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.256072][ T401] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.256368][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.256651][ T401] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.256928][ T401] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.257294][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.257579][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.257850][ T401] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.258152][ T401] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.258438][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.258716][ T401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.258988][ T401] ? __create_object (mm/kmemleak.c:771) 
[ 23.259306][ T401] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.259585][ T401] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.259867][ T401] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.260222][ T401] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.260532][ T401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.260813][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.261097][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.261389][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.261666][ T401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.261944][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.262246][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.262529][ T401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.262806][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.263094][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.263386][ T401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.263663][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.263938][ T401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.264239][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.264523][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.264800][ T401] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.265124][ T401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.265476][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.265758][ T401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.266167][ T401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.266511][ T401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.266796][ T401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.267087][ T401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.267465][ T401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.267827][ T401] ___sys_sendmsg (net/socket.c:2670) 
[ 23.268108][ T401] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.268396][ T401] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.268757][ T401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.269043][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.269363][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.269645][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.269921][ T401] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.270208][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.270500][ T401] __sys_sendmsg (net/socket.c:2700) 
[ 23.270784][ T401] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.271136][ T401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.271431][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.271712][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.272012][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.272376][  T401] RIP: 0033:0x7f5258f5e1e7
[ 23.272671][ T401] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.273956][  T401] RSP: 002b:00007ffdc2936ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.274557][  T401] RAX: ffffffffffffffda RBX: 00007ffdc2937610 RCX: 00007f5258f5e1e7
[   23.275026][  T401] RDX: 0000000000000000 RSI: 00007ffdc2936f50 RDI: 0000000000000005
[   23.275586][  T401] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   23.276129][  T401] R10: 00007f5258e5bee8 R11: 0000000000000246 R12: 0000000000000004
[   23.276853][  T401] R13: 00000000686e73b7 R14: 0000000000499600 R15: 0000000000000000
| [   23.753009][  T413] ------------[ cut here ]------------
| [ 23.753364][ T413] WARNING: CPU: 2 PID: 413 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.753977][  T413] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.755179][  T413] Tainted: [W]=WARN
[   23.755442][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.755835][ T413] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.756164][ T413] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.757275][  T413] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   23.757680][  T413] RAX: 0000000000000000 RBX: ffff88800506a000 RCX: 0000000000000001
[   23.758148][  T413] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   23.758633][  T413] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.759109][  T413] R10: ffffc90000597010 R11: ffffffffbd0a8918 R12: 1ffff920000b2de2
[   23.759593][  T413] R13: 0000000000002710 R14: ffffc90000597010 R15: ffff88800506af08
[   23.760064][  T413] FS:  00007f7530a0d800(0000) GS:ffff888077fb7000(0000) knlGS:0000000000000000
[   23.760616][  T413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.761048][  T413] CR2: 00000000004e5410 CR3: 000000000fe2d003 CR4: 0000000000772ef0
[   23.761806][  T413] PKRU: 55555554
[   23.762187][  T413] Call Trace:
[   23.762596][  T413]  <TASK>
[ 23.762903][ T413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.763290][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.763615][ T413] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.763935][ T413] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.764336][ T413] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.764658][ T413] netif_set_mtu (net/core/dev.c:9652) 
[ 23.764982][ T413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.765322][ T413] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.765764][ T413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.766013][ T413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.766473][ T413] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.766841][ T413] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.767171][ T413] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.767512][ T413] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.767915][ T413] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.768234][ T413] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.768570][ T413] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.768893][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.769233][ T413] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.769575][ T413] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.769971][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.770306][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.770625][ T413] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.770940][ T413] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.771257][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.771588][ T413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.771902][ T413] ? __create_object (mm/kmemleak.c:771) 
[ 23.772228][ T413] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.772558][ T413] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.772875][ T413] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.773275][ T413] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.773598][ T413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.773927][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.774241][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.774580][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.774903][ T413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.775218][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.775575][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.775895][ T413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.776215][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.776546][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.776867][ T413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.777190][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.777520][ T413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.777850][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.778164][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.778492][ T413] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.778815][ T413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.779137][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.779479][ T413] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.779799][ T413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.780119][ T413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.780454][ T413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.780777][ T413] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.781092][ T413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.781505][ T413] ___sys_sendmsg (net/socket.c:2670) 
[ 23.781832][ T413] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.782154][ T413] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.782560][ T413] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.782881][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.783204][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.783549][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.783866][ T413] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.784192][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.784528][ T413] __sys_sendmsg (net/socket.c:2700) 
[ 23.784844][ T413] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.785232][ T413] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.785575][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.785897][ T413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.786214][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.786618][  T413] RIP: 0033:0x7f7530bda1e7
[ 23.786954][ T413] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.788061][  T413] RSP: 002b:00007fff67948e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.788551][  T413] RAX: ffffffffffffffda RBX: 00007fff67949540 RCX: 00007f7530bda1e7
[   23.789030][  T413] RDX: 0000000000000000 RSI: 00007fff67948e80 RDI: 0000000000000005
[   23.789511][  T413] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.789981][  T413] R10: 0000000015166910 R11: 0000000000000246 R12: 0000000000000004
[   23.790457][  T413] R13: 00000000686e73b7 R14: 0000000000499600 R15: 0000000000000000
| [   24.442827][  T430] ------------[ cut here ]------------
| [ 24.443142][ T430] WARNING: CPU: 1 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.443756][  T430] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.444939][  T430] Tainted: [W]=WARN
[   24.445181][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.445581][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.445895][ T430] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.446998][  T430] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   24.447401][  T430] RAX: 0000000000000000 RBX: ffff88800b902000 RCX: 0000000000000001
[   24.447858][  T430] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   24.448342][  T430] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.448796][  T430] R10: ffffc90000557010 R11: ffffffffbd0a8918 R12: 1ffff920000aade2
[   24.449419][  T430] R13: 0000000000002710 R14: ffffc90000557010 R15: ffff88800b902f08
[   24.449881][  T430] FS:  00007f4b80c51800(0000) GS:ffff888077f37000(0000) knlGS:0000000000000000
[   24.450617][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.451004][  T430] CR2: 00000000004e5418 CR3: 000000000e534006 CR4: 0000000000772ef0
[   24.451607][  T430] PKRU: 55555554
[   24.451840][  T430] Call Trace:
[   24.452069][  T430]  <TASK>
[ 24.452225][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.452722][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.453219][ T430] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.453675][ T430] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.454055][ T430] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.454508][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 24.454813][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.455127][ T430] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.455699][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.455938][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.456614][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.456970][ T430] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.457514][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.457827][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.458212][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.458657][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.458965][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.459332][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.459643][ T430] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.459948][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.460348][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.460659][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.460959][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.461278][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.461582][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.461885][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.462185][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 24.462501][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.462807][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.463114][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.463498][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.463818][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.464126][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.464449][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.464768][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.465070][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.465383][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.465690][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.465991][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.466310][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.466621][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.466929][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.467231][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.467548][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.467865][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.468165][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.468493][ T430] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.468804][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.469123][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.469440][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.469752][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.470058][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.470376][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.470690][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.470993][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.471390][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 24.471690][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.471993][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.472390][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.472706][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.473019][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.473339][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.473646][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.473949][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.474259][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 24.474571][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.474949][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.475281][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.475588][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.475893][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.476289][  T430] RIP: 0033:0x7f4b80e1e1e7
[ 24.476611][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.477705][  T430] RSP: 002b:00007ffe8d44e498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.478163][  T430] RAX: ffffffffffffffda RBX: 00007ffe8d44ebc0 RCX: 00007f4b80e1e1e7
[   24.478626][  T430] RDX: 0000000000000000 RSI: 00007ffe8d44e500 RDI: 0000000000000005
[   24.479086][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.479557][  T430] R10: 0000000029837910 R11: 0000000000000246 R12: 0000000000000004
[   24.480009][  T430] R13: 00000000686e73b8 R14: 0000000000499600 R15: 0000000000000000
| [   25.125553][  T448] ------------[ cut here ]------------
| [ 25.125895][ T448] WARNING: CPU: 1 PID: 448 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.126490][  T448] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.127570][  T448] Tainted: [W]=WARN
[   25.127781][  T448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.128124][ T448] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.128428][ T448] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.130980][  T448] RSP: 0018:ffffc90000707140 EFLAGS: 00010246
[   25.131467][  T448] RAX: 0000000000000000 RBX: ffff88800bed9000 RCX: 0000000000000001
[   25.131881][  T448] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   25.132425][  T448] RBP: ffffc90000707230 R08: ffff88800bb30800 R09: 0000000000000000
[   25.132840][  T448] R10: ffffc900007075c8 R11: ffffffffbd050668 R12: 1ffff920000e0e2c
[   25.133257][  T448] R13: 0000000000002710 R14: ffffc90000707880 R15: ffff8880094b66e0
[   25.133727][  T448] FS:  00007fb6e435a800(0000) GS:ffff888077f37000(0000) knlGS:0000000000000000
[   25.134201][  T448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.134554][  T448] CR2: 00000000004e5ab0 CR3: 000000000fdf7005 CR4: 0000000000772ef0
[   25.134964][  T448] PKRU: 55555554
[   25.135169][  T448] Call Trace:
[   25.135385][  T448]  <TASK>
[ 25.135532][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.135819][ T448] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.136091][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.136388][ T448] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.136669][ T448] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.136941][ T448] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.137218][ T448] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.137511][ T448] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.137856][ T448] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.138128][ T448] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.138411][ T448] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.138687][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.138963][ T448] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.139246][ T448] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.139599][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.139873][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.140142][ T448] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.140436][ T448] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.140711][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.140982][ T448] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.141252][ T448] ? __create_object (mm/kmemleak.c:771) 
[ 25.141540][ T448] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.141816][ T448] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.142090][ T448] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.142440][ T448] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.142721][ T448] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.143004][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.143320][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.143604][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.143894][ T448] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.144176][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.144495][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.144777][ T448] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.145055][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.145342][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.145622][ T448] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.145896][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.146173][ T448] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.146467][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.146738][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.147018][ T448] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.147305][ T448] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.147578][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.147865][ T448] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.148143][ T448] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.148436][ T448] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.148728][ T448] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.149010][ T448] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.149296][ T448] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.149654][ T448] ___sys_sendmsg (net/socket.c:2670) 
[ 25.149925][ T448] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.150208][ T448] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.150564][ T448] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.150846][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.151125][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.151434][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.151714][ T448] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.151988][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.152299][ T448] __sys_sendmsg (net/socket.c:2700) 
[ 25.152580][ T448] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.152918][ T448] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.153205][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.153491][ T448] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.153770][ T448] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.154110][  T448] RIP: 0033:0x7fb6e45271e7
[ 25.154407][ T448] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.155399][  T448] RSP: 002b:00007ffdd92595c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.155824][  T448] RAX: ffffffffffffffda RBX: 00007ffdd9259cf0 RCX: 00007fb6e45271e7
[   25.156240][  T448] RDX: 0000000000000000 RSI: 00007ffdd9259630 RDI: 0000000000000005
[   25.156677][  T448] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.157094][  T448] R10: 00007fb6e4424ee8 R11: 0000000000000246 R12: 0000000000000004
[   25.157513][  T448] R13: 00000000686e73b8 R14: 0000000000499600 R15: 0000000000000000
| [   25.601954][  T460] ------------[ cut here ]------------
| [ 25.602276][ T460] WARNING: CPU: 3 PID: 460 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.602877][  T460] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.604054][  T460] Tainted: [W]=WARN
[   25.604297][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.604681][ T460] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.604993][ T460] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.606120][  T460] RSP: 0018:ffffc900007d6ef0 EFLAGS: 00010246
[   25.606518][  T460] RAX: 0000000000000000 RBX: ffff88800506a000 RCX: 0000000000000001
[   25.606976][  T460] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   25.607439][  T460] RBP: ffffc900007d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.607893][  T460] R10: ffffc900007d7010 R11: ffffffffbd0a8918 R12: 1ffff920000fade2
[   25.608364][  T460] R13: 0000000000002710 R14: ffffc900007d7010 R15: ffff88800506af08
[   25.608821][  T460] FS:  00007fc8a3dd6800(0000) GS:ffff888078037000(0000) knlGS:0000000000000000
[   25.609370][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.609754][  T460] CR2: 00000000004e5410 CR3: 0000000005a01002 CR4: 0000000000772ef0
[   25.610253][  T460] PKRU: 55555554
[   25.610492][  T460] Call Trace:
[   25.610722][  T460]  <TASK>
[ 25.610882][ T460] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.611191][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.611512][ T460] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.611820][ T460] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.612201][ T460] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.612533][ T460] netif_set_mtu (net/core/dev.c:9652) 
[ 25.612838][ T460] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.613152][ T460] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.613587][ T460] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.613817][ T460] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.614238][ T460] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.614600][ T460] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.614916][ T460] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.615228][ T460] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.615626][ T460] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.615934][ T460] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.616237][ T460] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.616555][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.616864][ T460] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.617177][ T460] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.617562][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.617872][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.618174][ T460] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.618487][ T460] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.618794][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.619108][ T460] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.619421][ T460] ? __create_object (mm/kmemleak.c:771) 
[ 25.619734][ T460] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.620044][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.620355][ T460] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.620735][ T460] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.621044][ T460] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.621366][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.621671][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.622020][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.622346][ T460] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.622652][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.622958][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.623268][ T460] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.623576][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.623884][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.624197][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.624514][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.624819][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.625133][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.625442][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.625748][ T460] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.626057][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.626368][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.626679][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.626986][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.627298][ T460] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.627609][ T460] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.627918][ T460] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.628221][ T460] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.628610][ T460] ? queued_spin_lock_slowpath (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2130 ./include/linux/atomic/atomic-instrumented.h:1280 ./arch/x86/include/asm/qspinlock.h:104 kernel/locking/qspinlock.c:141) 
[ 25.628919][ T460] ___sys_sendmsg (net/socket.c:2670) 
[ 25.629227][ T460] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.629539][ T460] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.629920][ T460] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.630228][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.630560][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.630871][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.631183][ T460] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.631494][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.631807][ T460] __sys_sendmsg (net/socket.c:2700) 
[ 25.632110][ T460] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.632502][ T460] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.632819][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.633177][ T460] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.633517][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.633909][  T460] RIP: 0033:0x7fc8a3fa31e7
[ 25.634222][ T460] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.635400][  T460] RSP: 002b:00007ffccffe1418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.635916][  T460] RAX: ffffffffffffffda RBX: 00007ffccffe1b40 RCX: 00007fc8a3fa31e7
[   25.636440][  T460] RDX: 0000000000000000 RSI: 00007ffccffe1480 RDI: 0000000000000005
[   25.636962][  T460] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.637474][  T460] R10: 000000003b66e910 R11: 0000000000000246 R12: 0000000000000004
[   25.638006][  T460] R13: 00000000686e73b9 R14: 0000000000499600 R15: 0000000000000000
| [   26.268686][  T477] ------------[ cut here ]------------
| [ 26.269126][ T477] WARNING: CPU: 2 PID: 477 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) 
| [   26.269843][  T477] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.271214][  T477] Tainted: [W]=WARN
[   26.271500][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.271947][ T477] 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) 
[ 26.272328][ T477] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.273600][  T477] RSP: 0018:ffffc900006b6ef0 EFLAGS: 00010246
[   26.274054][  T477] RAX: 0000000000000000 RBX: ffff88800b902000 RCX: 0000000000000001
[   26.274599][  T477] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   26.275132][  T477] RBP: ffffc900006b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.275680][  T477] R10: ffffc900006b7010 R11: ffffffffbd0a8918 R12: 1ffff920000d6de2
[   26.276213][  T477] R13: 0000000000002710 R14: ffffc900006b7010 R15: ffff88800b902f08
[   26.276756][  T477] FS:  00007f7560113800(0000) GS:ffff888077fb7000(0000) knlGS:0000000000000000
[   26.277440][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.277899][  T477] CR2: 00000000004e5418 CR3: 000000000c310004 CR4: 0000000000772ef0
[   26.278445][  T477] PKRU: 55555554
[   26.278724][  T477] Call Trace:
[   26.278998][  T477]  <TASK>
[ 26.279203][ T477] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.279576][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.279947][ T477] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.280317][ T477] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.280771][ T477] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.281136][ T477] netif_set_mtu (net/core/dev.c:9652) 
[ 26.281508][ T477] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.281881][ T477] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.282389][ T477] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.282673][ T477] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.283166][ T477] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.283601][ T477] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 26.283969][ T477] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.284345][ T477] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.284795][ T477] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.285155][ T477] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.285523][ T477] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.285890][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.286258][ T477] ? __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) 
[ 26.286633][ T477] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.287074][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.287446][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.287804][ T477] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.288162][ T477] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.288533][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.288905][ T477] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.289293][ T477] ? __create_object (mm/kmemleak.c:771) 
[ 26.289659][ T477] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.290018][ T477] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.290393][ T477] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.290837][ T477] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.291205][ T477] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.291578][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.291950][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.292326][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.292692][ T477] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.293052][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.293422][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.293781][ T477] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.294140][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.294525][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.294894][ T477] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.295255][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.295626][ T477] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.295998][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.296364][ T477] ? 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) 
[ 26.296725][ T477] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.297093][ T477] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.297462][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.297826][ T477] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.298187][ T477] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.298557][ T477] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.298925][ T477] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.299314][ T477] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.299673][ T477] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.300134][ T477] ___sys_sendmsg (net/socket.c:2670) 
[ 26.300500][ T477] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.300858][ T477] ? __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) 
[ 26.301309][ T477] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.301671][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.302032][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.302408][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.302771][ T477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.303127][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.303504][ T477] __sys_sendmsg (net/socket.c:2700) 
[ 26.303861][ T477] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.304309][ T477] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.304686][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.305048][ T477] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.305426][ T477] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.305865][  T477] RIP: 0033:0x7f75602e01e7
[ 26.306237][ T477] 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)
[   26.307475][  T477] RSP: 002b:00007ffff14315f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.308012][  T477] RAX: ffffffffffffffda RBX: 00007ffff1431d20 RCX: 00007f75602e01e7
[   26.308553][  T477] RDX: 0000000000000000 RSI: 00007ffff1431660 RDI: 0000000000000005
[   26.309093][  T477] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.309628][  T477] R10: 000000001af06910 R11: 0000000000000246 R12: 0000000000000004
[   26.310167][  T477] R13: 00000000686e73ba R14: 0000000000499600 R15: 0000000000000000
| [   55.281100][  T626] ------------[ cut here ]------------
| [ 55.282083][ T626] WARNING: CPU: 0 PID: 626 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) 
| [   55.282831][  T626] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   55.284232][  T626] Tainted: [W]=WARN
[   55.284506][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.284935][ T626] 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) 
[ 55.285296][ T626] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   55.286538][  T626] RSP: 0018:ffffc90000a26f70 EFLAGS: 00010246
[   55.286979][  T626] RAX: 0000000000000000 RBX: ffff88800b902000 RCX: 0000000000000001
[   55.287500][  T626] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   55.288022][  T626] RBP: ffffc90000a27058 R08: 0000000000000000 R09: 0000000000000000
[   55.288543][  T626] R10: ffffc90000a27088 R11: ffffffffb8600130 R12: 1ffff92000144df2
[   55.289057][  T626] R13: 0000000000002710 R14: ffffc90000a27088 R15: ffff88800b902f08
[   55.289568][  T626] FS:  00007fbfd3f86800(0000) GS:ffff888077eb7000(0000) knlGS:0000000000000000
[   55.290165][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.290609][  T626] CR2: 00000000004e5630 CR3: 00000000091ac005 CR4: 0000000000772ef0
[   55.291119][  T626] PKRU: 55555554
[   55.291381][  T626] Call Trace:
[   55.291640][  T626]  <TASK>
[ 55.291818][ T626] ? __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) 
[ 55.292275][ T626] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.292703][ T626] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 55.293042][ T626] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.293378][ T626] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.293719][ T626] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 55.294071][ T626] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.294418][ T626] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.294778][ T626] ? ___sys_sendmsg (net/socket.c:2670) 
[ 55.295123][ T626] ? __sys_sendmsg (net/socket.c:2700) 
[ 55.295470][ T626] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.295817][ T626] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 55.296245][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.296606][ T626] netif_set_mtu (net/core/dev.c:9652) 
[ 55.296947][ T626] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.297312][ T626] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.297579][ T626] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.298042][ T626] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.298423][ T626] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 55.298762][ T626] do_set_master (net/core/rtnetlink.c:2932) 
[ 55.299110][ T626] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.299459][ T626] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 55.299885][ T626] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 55.300234][ T626] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 55.300590][ T626] ? __kernel_text_address (kernel/extable.c:79) 
[ 55.300941][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.301296][ T626] ? __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) 
[ 55.301632][ T626] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 55.302054][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.302410][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.302755][ T626] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 55.303092][ T626] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 55.303442][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.303772][ T626] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.304110][ T626] ? __create_object (mm/kmemleak.c:771) 
[ 55.304464][ T626] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 55.304801][ T626] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 55.305147][ T626] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.305583][ T626] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 55.305930][ T626] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.306285][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.306623][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.306966][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.307310][ T626] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.307645][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.307989][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.308331][ T626] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.308669][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.309010][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.309378][ T626] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.309713][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.310050][ T626] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.310413][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.310757][ T626] ? 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) 
[ 55.311093][ T626] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 55.311439][ T626] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.311771][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.312108][ T626] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.312460][ T626] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.312799][ T626] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.313156][ T626] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.313502][ T626] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.313835][ T626] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.314289][ T626] ___sys_sendmsg (net/socket.c:2670) 
[ 55.314625][ T626] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.314962][ T626] ? __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) 
[ 55.315399][ T626] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.315746][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.316087][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.316442][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.316780][ T626] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.317121][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.317469][ T626] __sys_sendmsg (net/socket.c:2700) 
[ 55.317802][ T626] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.318224][ T626] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.318582][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.318922][ T626] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.319282][ T626] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.319698][  T626] RIP: 0033:0x7fbfd41531e7
[ 55.320056][ T626] 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)
[   55.321280][  T626] RSP: 002b:00007ffe95939c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.321799][  T626] RAX: ffffffffffffffda RBX: 00007ffe9593a380 RCX: 00007fbfd41531e7
[   55.322315][  T626] RDX: 0000000000000000 RSI: 00007ffe95939cc0 RDI: 0000000000000005
[   55.322833][  T626] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   55.323355][  T626] R10: 00007fbfd4050ee8 R11: 0000000000000246 R12: 0000000000000003
[   55.323859][  T626] R13: 00000000686e73d7 R14: 0000000000499600 R15: 0000000000000000
| [   55.780925][  T634] ------------[ cut here ]------------
| [ 55.781282][ T634] WARNING: CPU: 3 PID: 634 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) 
| [   55.781956][  T634] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   55.783350][  T634] Tainted: [W]=WARN
[   55.783606][  T634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.784032][ T634] 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) 
[ 55.784387][ T634] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   55.785586][  T634] RSP: 0018:ffffc90000a86f70 EFLAGS: 00010246
[   55.786012][  T634] RAX: 0000000000000000 RBX: ffff88800506a000 RCX: 0000000000000001
[   55.786535][  T634] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   55.787039][  T634] RBP: ffffc90000a87058 R08: 0000000000000000 R09: 0000000000000000
[   55.787553][  T634] R10: ffffc90000a87088 R11: ffffffffbc779160 R12: 1ffff92000150df2
[   55.788057][  T634] R13: 0000000000002710 R14: ffffc90000a87088 R15: ffff88800506af08
[   55.788572][  T634] FS:  00007f7a6e4b7800(0000) GS:ffff888078037000(0000) knlGS:0000000000000000
[   55.789172][  T634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.789608][  T634] CR2: 00000000004e5628 CR3: 000000000997b005 CR4: 0000000000772ef0
[   55.790122][  T634] PKRU: 55555554
[   55.790379][  T634] Call Trace:
[   55.790638][  T634]  <TASK>
[ 55.790818][ T634] ? __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) 
[ 55.791242][ T634] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.791642][ T634] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 55.791985][ T634] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.792349][ T634] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.792684][ T634] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 55.793026][ T634] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.793369][ T634] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.793704][ T634] ? ___sys_sendmsg (net/socket.c:2670) 
[ 55.794035][ T634] ? __sys_sendmsg (net/socket.c:2700) 
[ 55.794374][ T634] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.794717][ T634] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 55.795129][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.795481][ T634] netif_set_mtu (net/core/dev.c:9652) 
[ 55.795817][ T634] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.796180][ T634] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.796441][ T634] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.796899][ T634] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.797276][ T634] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 55.797609][ T634] do_set_master (net/core/rtnetlink.c:2932) 
[ 55.797955][ T634] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.798303][ T634] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 55.798733][ T634] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 55.799077][ T634] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 55.799419][ T634] ? __kernel_text_address (kernel/extable.c:79) 
[ 55.799757][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.800096][ T634] ? __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) 
[ 55.800437][ T634] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 55.800849][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.801193][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.801537][ T634] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 55.801883][ T634] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 55.802224][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.802570][ T634] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.802905][ T634] ? __create_object (mm/kmemleak.c:771) 
[ 55.803239][ T634] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 55.803585][ T634] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 55.803924][ T634] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.804350][ T634] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 55.804692][ T634] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.805036][ T634] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.805367][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.805710][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.806045][ T634] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.806381][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.806730][ T634] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.807063][ T634] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.807411][ T634] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.807749][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.808089][ T634] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.808433][ T634] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.808773][ T634] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.809137][ T634] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.809480][ T634] ? 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) 
[ 55.809819][ T634] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 55.810156][ T634] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.810510][ T634] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.810889][ T634] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.811225][ T634] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.811591][ T634] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.811934][ T634] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.812276][ T634] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.812707][ T634] ___sys_sendmsg (net/socket.c:2670) 
[ 55.813041][ T634] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.813386][ T634] ? __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) 
[ 55.813810][ T634] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.814152][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.814500][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.814845][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.815191][ T634] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.815532][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.815878][ T634] __sys_sendmsg (net/socket.c:2700) 
[ 55.816210][ T634] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.816633][ T634] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.816977][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.817329][ T634] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.817666][ T634] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.818084][  T634] RIP: 0033:0x7f7a6e6841e7
[ 55.818441][ T634] 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)
[   55.819650][  T634] RSP: 002b:00007fff1c48a6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.820157][  T634] RAX: ffffffffffffffda RBX: 00007fff1c48ade0 RCX: 00007f7a6e6841e7
[   55.820670][  T634] RDX: 0000000000000000 RSI: 00007fff1c48a720 RDI: 0000000000000005
[   55.821172][  T634] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   55.821693][  T634] R10: 00007f7a6e581ee8 R11: 0000000000000246 R12: 0000000000000003
[   55.822200][  T634] R13: 00000000686e73d7 R14: 0000000000499600 R15: 0000000000000000
| [   56.193881][  T638] ------------[ cut here ]------------
| [ 56.194220][ T638] WARNING: CPU: 0 PID: 638 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) 
| [   56.195528][  T638] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   56.196745][  T638] Tainted: [W]=WARN
[   56.196964][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.197333][ T638] 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) 
[ 56.197633][ T638] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   56.198675][  T638] RSP: 0018:ffffc90000ac7140 EFLAGS: 00010246
[   56.199051][  T638] RAX: 0000000000000000 RBX: ffff88800bed9000 RCX: 0000000000000001
[   56.199501][  T638] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   56.199954][  T638] RBP: ffffc90000ac7230 R08: ffff888004d65000 R09: 0000000000000000
[   56.200422][  T638] R10: ffffc90000ac75c8 R11: ffffffffbd050668 R12: 1ffff92000158e2c
[   56.200881][  T638] R13: 00000000000005dc R14: ffffc90000ac7880 R15: ffff88800f25b160
[   56.201336][  T638] FS:  00007fa3cc2e2800(0000) GS:ffff888077eb7000(0000) knlGS:0000000000000000
[   56.201873][  T638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.202275][  T638] CR2: 00000000004e5ab0 CR3: 000000000fd4e005 CR4: 0000000000772ef0
[   56.202733][  T638] PKRU: 55555554
[   56.202965][  T638] Call Trace:
[   56.203194][  T638]  <TASK>
[ 56.203361][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.203686][ T638] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.203991][ T638] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.204319][ T638] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.204626][ T638] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 56.204940][ T638] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 56.205249][ T638] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 56.205571][ T638] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.205956][ T638] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.206259][ T638] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.206579][ T638] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.206886][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.207192][ T638] ? __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) 
[ 56.207507][ T638] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.207887][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.208198][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.208511][ T638] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.208828][ T638] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.209149][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.209460][ T638] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.209762][ T638] ? __create_object (mm/kmemleak.c:771) 
[ 56.210070][ T638] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.210386][ T638] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.210691][ T638] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.211074][ T638] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.211395][ T638] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.211708][ T638] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.212012][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.212332][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.212639][ T638] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.212938][ T638] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.213230][ T638] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.213553][ T638] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.213861][ T638] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.214169][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.214490][ T638] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.214799][ T638] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.215104][ T638] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.215431][ T638] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.215744][ T638] ? 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) 
[ 56.216050][ T638] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.216367][ T638] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.216669][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.216983][ T638] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.217303][ T638] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.217610][ T638] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.217920][ T638] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.218235][ T638] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.218549][ T638] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.218940][ T638] ___sys_sendmsg (net/socket.c:2670) 
[ 56.219253][ T638] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.219580][ T638] ? __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) 
[ 56.219955][ T638] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.220280][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.220593][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.220906][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.221206][ T638] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.221519][ T638] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.221829][ T638] __sys_sendmsg (net/socket.c:2700) 
[ 56.222127][ T638] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.222514][ T638] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.222841][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.223148][ T638] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.223463][ T638] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.223844][  T638] RIP: 0033:0x7fa3cc4af1e7
[ 56.224166][ T638] 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)
[   56.225268][  T638] RSP: 002b:00007ffc7fa9f788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.225733][  T638] RAX: ffffffffffffffda RBX: 00007ffc7fa9feb0 RCX: 00007fa3cc4af1e7
[   56.226192][  T638] RDX: 0000000000000000 RSI: 00007ffc7fa9f7f0 RDI: 0000000000000005
[   56.226656][  T638] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   56.227125][  T638] R10: 00007fa3cc3acee8 R11: 0000000000000246 R12: 0000000000000004
[   56.227590][  T638] R13: 00000000686e73d7 R14: 0000000000499600 R15: 0000000000000000
| [   56.623173][  T644] ------------[ cut here ]------------
| [ 56.623551][ T644] WARNING: CPU: 1 PID: 644 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) 
| [   56.624171][  T644] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   56.625654][  T644] Tainted: [W]=WARN
[   56.625893][  T644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.626325][ T644] 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) 
[ 56.626654][ T644] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   56.627805][  T644] RSP: 0018:ffffc90000b16f70 EFLAGS: 00010246
[   56.628196][  T644] RAX: 0000000000000000 RBX: ffff88800b902000 RCX: 0000000000000001
[   56.628814][  T644] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   56.629475][  T644] RBP: ffffc90000b17058 R08: 0000000000000000 R09: 0000000000000000
[   56.629977][  T644] R10: ffffc90000b17088 R11: ffffffffbc779160 R12: 1ffff92000162df2
[   56.630470][  T644] R13: 00000000000005dc R14: ffffc90000b17088 R15: ffff88800b902f08
[   56.630958][  T644] FS:  00007fdc4c69c800(0000) GS:ffff888077f37000(0000) knlGS:0000000000000000
[   56.631530][  T644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.631928][  T644] CR2: 00000000004e73c0 CR3: 000000000a39e004 CR4: 0000000000772ef0
[   56.632401][  T644] PKRU: 55555554
[   56.632646][  T644] Call Trace:
[   56.632888][  T644]  <TASK>
[ 56.633044][ T644] ? __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) 
[ 56.633470][ T644] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 56.633847][ T644] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 56.634167][ T644] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.634537][ T644] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.634846][ T644] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.635183][ T644] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.635520][ T644] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.635834][ T644] ? ___sys_sendmsg (net/socket.c:2670) 
[ 56.636170][ T644] ? __sys_sendmsg (net/socket.c:2700) 
[ 56.636491][ T644] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.636808][ T644] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 56.637205][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.637533][ T644] netif_set_mtu (net/core/dev.c:9652) 
[ 56.637857][ T644] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.638180][ T644] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.638429][ T644] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 56.638861][ T644] br_del_if (net/bridge/br_if.c:743) bridge 
[ 56.639252][ T644] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 56.639613][ T644] do_set_master (net/core/rtnetlink.c:2932) 
[ 56.639941][ T644] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.640251][ T644] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.640669][ T644] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.640976][ T644] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.641296][ T644] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.641609][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.641945][ T644] ? __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) 
[ 56.642258][ T644] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.642684][ T644] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.643026][ T644] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.643377][ T644] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.643688][ T644] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.643999][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.644335][ T644] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.644667][ T644] ? __create_object (mm/kmemleak.c:771) 
[ 56.644988][ T644] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.645328][ T644] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.645636][ T644] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.646049][ T644] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.646380][ T644] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.646715][ T644] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.647025][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.647408][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.647740][ T644] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.648039][ T644] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.648411][ T644] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.648717][ T644] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.649051][ T644] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.649400][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.649731][ T644] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.650063][ T644] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.650391][ T644] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.650731][ T644] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.651032][ T644] ? 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) 
[ 56.651372][ T644] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.651686][ T644] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.651993][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.652318][ T644] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.652633][ T644] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.652937][ T644] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.653249][ T644] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.653569][ T644] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.653893][ T644] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.654300][ T644] ___sys_sendmsg (net/socket.c:2670) 
[ 56.654604][ T644] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.654912][ T644] ? __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) 
[ 56.655312][ T644] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.655620][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.655956][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.656296][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.656607][ T644] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.656982][ T644] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.657311][ T644] __sys_sendmsg (net/socket.c:2700) 
[ 56.657630][ T644] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.658029][ T644] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.658364][ T644] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.658684][ T644] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.659044][ T644] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.659479][  T644] RIP: 0033:0x7fdc4c8691e7
[ 56.659807][ T644] 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)
[   56.660920][  T644] RSP: 002b:00007ffd1e3feba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.661398][  T644] RAX: ffffffffffffffda RBX: 00007ffd1e3ff2d0 RCX: 00007fdc4c8691e7
[   56.661859][  T644] RDX: 0000000000000000 RSI: 00007ffd1e3fec10 RDI: 0000000000000005
[   56.662329][  T644] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   56.662787][  T644] R10: 00007fdc4c766ee8 R11: 0000000000000246 R12: 0000000000000003
[   56.663259][  T644] R13: 00000000686e73d8 R14: 0000000000499600 R15: 0000000000000000
| [   57.156643][  T650] ------------[ cut here ]------------
| [ 57.156995][ T650] WARNING: CPU: 2 PID: 650 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) 
| [   57.157641][  T650] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.158974][  T650] Tainted: [W]=WARN
[   57.159234][  T650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.159648][ T650] 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) 
[ 57.159979][ T650] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   57.161102][  T650] RSP: 0018:ffffc90000ac6f70 EFLAGS: 00010246
[   57.162031][  T650] RAX: 0000000000000000 RBX: ffff88800506a000 RCX: 0000000000000001
[   57.162524][  T650] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   57.162995][  T650] RBP: ffffc90000ac7058 R08: 0000000000000000 R09: 0000000000000000
[   57.163487][  T650] R10: ffffc90000ac7088 R11: ffffffffbc779160 R12: 1ffff92000158df2
[   57.163970][  T650] R13: 00000000000005dc R14: ffffc90000ac7088 R15: ffff88800506af08
[   57.164450][  T650] FS:  00007f58010b7800(0000) GS:ffff888077fb7000(0000) knlGS:0000000000000000
[   57.165005][  T650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.165415][  T650] CR2: 00000000004e73b8 CR3: 00000000050fe004 CR4: 0000000000772ef0
[   57.165893][  T650] PKRU: 55555554
[   57.166145][  T650] Call Trace:
[   57.166399][  T650]  <TASK>
[ 57.166568][ T650] ? __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) 
[ 57.166966][ T650] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 57.167348][ T650] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 57.167674][ T650] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.167994][ T650] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.168332][ T650] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.168654][ T650] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.168983][ T650] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.169345][ T650] ? ___sys_sendmsg (net/socket.c:2670) 
[ 57.169664][ T650] ? __sys_sendmsg (net/socket.c:2700) 
[ 57.169984][ T650] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.170313][ T650] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 57.170709][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.171040][ T650] netif_set_mtu (net/core/dev.c:9652) 
[ 57.171375][ T650] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.171709][ T650] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.171956][ T650] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 57.172423][ T650] br_del_if (net/bridge/br_if.c:743) bridge 
[ 57.172776][ T650] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 57.173097][ T650] do_set_master (net/core/rtnetlink.c:2932) 
[ 57.173430][ T650] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.173751][ T650] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.174150][ T650] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.174477][ T650] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.174793][ T650] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.175125][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.175458][ T650] ? __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) 
[ 57.175778][ T650] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.176168][ T650] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.176538][ T650] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.176871][ T650] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.177191][ T650] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.177532][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.177852][ T650] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.178166][ T650] ? __create_object (mm/kmemleak.c:771) 
[ 57.178496][ T650] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.178824][ T650] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.179157][ T650] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.179558][ T650] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.179892][ T650] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.180212][ T650] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.180541][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.180866][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.181185][ T650] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.181511][ T650] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.181837][ T650] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.182158][ T650] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.182502][ T650] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.182822][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.183145][ T650] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.183481][ T650] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.183803][ T650] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.184132][ T650] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.184463][ T650] ? 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) 
[ 57.184792][ T650] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.185112][ T650] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.185440][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.185766][ T650] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.186085][ T650] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.186417][ T650] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.186744][ T650] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.187068][ T650] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.187406][ T650] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.187814][ T650] ___sys_sendmsg (net/socket.c:2670) 
[ 57.188126][ T650] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.188457][ T650] ? __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) 
[ 57.188850][ T650] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.189182][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.189543][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.189873][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.190194][ T650] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.190531][ T650] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.190875][ T650] __sys_sendmsg (net/socket.c:2700) 
[ 57.191194][ T650] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.191602][ T650] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.191936][ T650] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.192274][ T650] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.192599][ T650] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.192987][  T650] RIP: 0033:0x7f58012841e7
[ 57.193333][ T650] 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)
[   57.194452][  T650] RSP: 002b:00007ffdd6bd5bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.194932][  T650] RAX: ffffffffffffffda RBX: 00007ffdd6bd6300 RCX: 00007f58012841e7
[   57.195414][  T650] RDX: 0000000000000000 RSI: 00007ffdd6bd5c40 RDI: 0000000000000005
[   57.195884][  T650] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.196377][  T650] R10: 00007f5801181ee8 R11: 0000000000000246 R12: 0000000000000003
[   57.196844][  T650] R13: 00000000686e73d8 R14: 0000000000499600 R15: 0000000000000000
| [   57.491095][  T654] ------------[ cut here ]------------
| [ 57.491463][ T654] WARNING: CPU: 0 PID: 654 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) 
| [   57.492064][  T654] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.494637][  T654] Tainted: [W]=WARN
[   57.494858][  T654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.495222][ T654] 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) 
[ 57.495540][ T654] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   57.496583][  T654] RSP: 0018:ffffc90000b87140 EFLAGS: 00010246
[   57.496955][  T654] RAX: 0000000000000000 RBX: ffff888002079000 RCX: 0000000000000001
[   57.497392][  T654] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   57.497820][  T654] RBP: ffffc90000b87230 R08: ffff88800a746800 R09: 0000000000000000
[   57.498251][  T654] R10: ffffc90000b875c8 R11: ffffffffbd050668 R12: 1ffff92000170e2c
[   57.498700][  T654] R13: 00000000000005dc R14: ffffc90000b87880 R15: ffff88800bff26e0
[   57.499138][  T654] FS:  00007fd39a9f4800(0000) GS:ffff888077eb7000(0000) knlGS:0000000000000000
[   57.499660][  T654] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.500023][  T654] CR2: 00000000004e5aa8 CR3: 000000000e54b002 CR4: 0000000000772ef0
[   57.500469][  T654] PKRU: 55555554
[   57.500691][  T654] Call Trace:
[   57.500907][  T654]  <TASK>
[ 57.501054][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.501365][ T654] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.501656][ T654] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.501948][ T654] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 57.502235][ T654] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 57.502551][ T654] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 57.502851][ T654] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 57.503144][ T654] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.503527][ T654] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.503817][ T654] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.504102][ T654] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.504406][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.504703][ T654] ? __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) 
[ 57.504993][ T654] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.505364][ T654] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.505686][ T654] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.505973][ T654] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.506258][ T654] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.506562][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.506848][ T654] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.507136][ T654] ? __create_object (mm/kmemleak.c:771) 
[ 57.507448][ T654] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.507756][ T654] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.508043][ T654] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.508414][ T654] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.508713][ T654] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.509005][ T654] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.509322][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.509622][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.509911][ T654] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.510202][ T654] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.510507][ T654] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.510793][ T654] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.511085][ T654] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.511397][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.511701][ T654] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.512016][ T654] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.512317][ T654] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.512620][ T654] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.512907][ T654] ? 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) 
[ 57.513195][ T654] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.513500][ T654] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.513792][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.514091][ T654] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.514393][ T654] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.514682][ T654] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.514978][ T654] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.515283][ T654] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.515569][ T654] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.515947][ T654] ___sys_sendmsg (net/socket.c:2670) 
[ 57.516231][ T654] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.516540][ T654] ? __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) 
[ 57.516901][ T654] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.517193][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.517493][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.517789][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.518101][ T654] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.518405][ T654] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.518704][ T654] __sys_sendmsg (net/socket.c:2700) 
[ 57.518991][ T654] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.519366][ T654] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.519669][ T654] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.519959][ T654] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.520248][ T654] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.520636][  T654] RIP: 0033:0x7fd39abc11e7
[ 57.520943][ T654] 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)
[   57.521990][  T654] RSP: 002b:00007fffdbf478f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.522440][  T654] RAX: ffffffffffffffda RBX: 00007fffdbf48020 RCX: 00007fd39abc11e7
[   57.522872][  T654] RDX: 0000000000000000 RSI: 00007fffdbf47960 RDI: 0000000000000005
[   57.523312][  T654] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   57.523741][  T654] R10: 00007fd39aabeee8 R11: 0000000000000246 R12: 0000000000000004
[   57.524171][  T654] R13: 00000000686e73d9 R14: 0000000000499600 R15: 0000000000000000
| [   58.827092][  T668] ------------[ cut here ]------------
| [ 58.828908][ T668] WARNING: CPU: 1 PID: 668 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) 
| [   58.829613][  T668] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   58.830891][  T668] Tainted: [W]=WARN
[   58.831100][  T668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.831530][ T668] 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) 
[ 58.831821][ T668] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   58.832819][  T668] RSP: 0018:ffffc90000dcf140 EFLAGS: 00010246
[   58.833172][  T668] RAX: 0000000000000000 RBX: ffff88800bedc000 RCX: 0000000000000001
[   58.833600][  T668] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   58.834017][  T668] RBP: ffffc90000dcf230 R08: ffff888005098800 R09: 0000000000000000
[   58.834442][  T668] R10: ffffc90000dcf5c8 R11: ffffffffbd050668 R12: 1ffff920001b9e2c
[   58.834852][  T668] R13: 00000000000005dc R14: ffffc90000dcf880 R15: ffff8880095d26e0
[   58.835283][  T668] FS:  00007f6a39dfb800(0000) GS:ffff888077f37000(0000) knlGS:0000000000000000
[   58.835760][  T668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.836104][  T668] CR2: 00000000004e5ab8 CR3: 00000000059f4002 CR4: 0000000000772ef0
[   58.836532][  T668] PKRU: 55555554
[   58.836739][  T668] Call Trace:
[   58.836949][  T668]  <TASK>
[ 58.837088][ T668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.837384][ T668] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.837659][ T668] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.837938][ T668] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 58.838214][ T668] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 58.838504][ T668] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 58.838789][ T668] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 58.839077][ T668] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 58.839433][ T668] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 58.839710][ T668] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 58.839983][ T668] ? __kernel_text_address (kernel/extable.c:79) 
[ 58.840278][ T668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.840558][ T668] ? __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) 
[ 58.840837][ T668] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 58.841177][ T668] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.841467][ T668] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.841742][ T668] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 58.842016][ T668] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 58.842304][ T668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.842578][ T668] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 58.842847][ T668] ? __create_object (mm/kmemleak.c:771) 
[ 58.843130][ T668] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 58.843413][ T668] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 58.843686][ T668] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 58.844026][ T668] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 58.844325][ T668] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 58.844610][ T668] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.844883][ T668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.845167][ T668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.845455][ T668] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 58.845729][ T668] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.846003][ T668] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.846294][ T668] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 58.846571][ T668] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.846851][ T668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.847128][ T668] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 58.847421][ T668] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.847696][ T668] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 58.847982][ T668] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 58.848259][ T668] ? 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) 
[ 58.848565][ T668] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 58.848844][ T668] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 58.849134][ T668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.849435][ T668] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.849718][ T668] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 58.849994][ T668] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 58.850302][ T668] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.850586][ T668] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 58.850858][ T668] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 58.851209][ T668] ___sys_sendmsg (net/socket.c:2670) 
[ 58.851500][ T668] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.851783][ T668] ? __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) 
[ 58.852125][ T668] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 58.852418][ T668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.852703][ T668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.852987][ T668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.853276][ T668] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 58.853560][ T668] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.853844][ T668] __sys_sendmsg (net/socket.c:2700) 
[ 58.854115][ T668] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 58.854469][ T668] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 58.854756][ T668] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.855033][ T668] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.855319][ T668] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.855664][  T668] RIP: 0033:0x7f6a39fc81e7
[ 58.855948][ T668] 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)
[   58.856943][  T668] RSP: 002b:00007ffe4901d238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   58.857370][  T668] RAX: ffffffffffffffda RBX: 00007ffe4901d960 RCX: 00007f6a39fc81e7
[   58.857789][  T668] RDX: 0000000000000000 RSI: 00007ffe4901d2a0 RDI: 0000000000000005
[   58.858199][  T668] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   58.858618][  T668] R10: 00007f6a39ec5ee8 R11: 0000000000000246 R12: 0000000000000004
[   58.859027][  T668] R13: 00000000686e73da R14: 0000000000499600 R15: 0000000000000000
| [   59.937832][  T680] ------------[ cut here ]------------
| [ 59.938144][ T680] WARNING: CPU: 3 PID: 680 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) 
| [   59.938701][  T680] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   59.939852][  T680] Tainted: [W]=WARN
[   59.940066][  T680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.940417][ T680] 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) 
[ 59.940699][ T680] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   59.941682][  T680] RSP: 0018:ffffc90000def140 EFLAGS: 00010246
[   59.942031][  T680] RAX: 0000000000000000 RBX: ffff888001ff4000 RCX: 0000000000000001
[   59.942495][  T680] RDX: 0000000000000000 RSI: ffffffffbc29b939 RDI: ffffffffbba555e0
[   59.942904][  T680] RBP: ffffc90000def230 R08: ffff88800bbd6800 R09: 0000000000000000
[   59.943326][  T680] R10: ffffc90000def5c8 R11: ffffffffbd050668 R12: 1ffff920001bde2c
[   59.943741][  T680] R13: 00000000000005dc R14: ffffc90000def880 R15: ffff88800f254e60
[   59.944148][  T680] FS:  00007f2bc471a800(0000) GS:ffff888078037000(0000) knlGS:0000000000000000
[   59.944641][  T680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.944992][  T680] CR2: 00000000004e5aa0 CR3: 0000000004c39001 CR4: 0000000000772ef0
[   59.945411][  T680] PKRU: 55555554
[   59.945616][  T680] Call Trace:
[   59.945821][  T680]  <TASK>
[ 59.945961][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.946246][ T680] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.946529][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.946808][ T680] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 59.947084][ T680] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 59.947369][ T680] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 59.947647][ T680] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 59.947927][ T680] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.948290][ T680] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.948565][ T680] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.948838][ T680] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.949125][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.949412][ T680] ? __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) 
[ 59.949686][ T680] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.950023][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.950311][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.950584][ T680] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.950861][ T680] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.951138][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.951425][ T680] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.951700][ T680] ? __create_object (mm/kmemleak.c:771) 
[ 59.951981][ T680] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.952260][ T680] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.952550][ T680] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.952889][ T680] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.953167][ T680] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.953460][ T680] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.953734][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.954013][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.954299][ T680] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.954575][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.954861][ T680] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.955138][ T680] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.955423][ T680] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.955702][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.955988][ T680] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.956276][ T680] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.956560][ T680] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.956853][ T680] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.957125][ T680] ? 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) 
[ 59.957414][ T680] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 59.957699][ T680] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.957970][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.958247][ T680] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.958532][ T680] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.958813][ T680] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.959099][ T680] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.959386][ T680] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.959660][ T680] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.960010][ T680] ___sys_sendmsg (net/socket.c:2670) 
[ 59.960289][ T680] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.960563][ T680] ? __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) 
[ 59.960908][ T680] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.961184][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.961485][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.961796][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.962071][ T680] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.962354][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.962637][ T680] __sys_sendmsg (net/socket.c:2700) 
[ 59.962913][ T680] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.963252][ T680] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.963545][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.963821][ T680] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.964094][ T680] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.964445][  T680] RIP: 0033:0x7f2bc48e71e7
[ 59.964728][ T680] 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)
[   59.965719][  T680] RSP: 002b:00007ffcdc52c6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.966134][  T680] RAX: ffffffffffffffda RBX: 00007ffcdc52cdf0 RCX: 00007f2bc48e71e7
[   59.966550][  T680] RDX: 0000000000000000 RSI: 00007ffcdc52c730 RDI: 0000000000000005
[   59.966964][  T680] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   59.967430][  T680] R10: 00007f2bc47e4ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if