======================================
| xx__-> [   14.800267][  T251] ip (251) used greatest stack depth: 23808 bytes left
| [   17.764135][  T302] ------------[ cut here ]------------
| [ 17.764608][ T302] WARNING: CPU: 0 PID: 302 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) 
| [   17.765188][  T302] Modules linked in: vrf veth
[   17.766066][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.766436][ T302] 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) 
[ 17.766762][ T302] 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
[   17.768775][  T302] RSP: 0018:ffffc900005e7140 EFLAGS: 00010246
[   17.769151][  T302] RAX: 0000000000000000 RBX: ffff888008121000 RCX: 0000000000000001
[   17.769601][  T302] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   17.770042][  T302] RBP: ffffc900005e7230 R08: ffff88800b73e800 R09: 0000000000000000
[   17.770502][  T302] R10: ffffc900005e75c8 R11: ffffffffaae50668 R12: 1ffff920000bce2c
[   17.770948][  T302] R13: 0000000000002710 R14: ffffc900005e7880 R15: ffff88800a7f2de0
[   17.771384][  T302] FS:  00007f78d2dfc800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   17.771900][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.772277][  T302] CR2: 00000000004e5aa0 CR3: 000000000c2a0001 CR4: 0000000000772ef0
[   17.772729][  T302] PKRU: 55555554
[   17.772953][  T302] Call Trace:
[   17.773175][  T302]  <TASK>
[ 17.773326][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.773636][ T302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.773926][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.774224][ T302] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.774533][ T302] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.774826][ T302] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.775121][ T302] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.775421][ T302] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.775801][ T302] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.776281][ T302] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.776579][ T302] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.776870][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.777185][ T302] ? __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) 
[ 17.777491][ T302] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.777852][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.778145][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.778433][ T302] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.778747][ T302] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.779041][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.779330][ T302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.779625][ T302] ? __create_object (mm/kmemleak.c:771) 
[ 17.779943][ T302] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.780236][ T302] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.780539][ T302] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.780902][ T302] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.781200][ T302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.781518][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.781809][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.782104][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.782397][ T302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.782712][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.783018][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.783307][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.783611][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.783906][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.784201][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.784502][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.784794][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.785097][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.785386][ T302] ? 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) 
[ 17.785688][ T302] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 17.785984][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.786275][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.786590][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.786884][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.787190][ T302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.787499][ T302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.787796][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.788087][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.788462][ T302] ___sys_sendmsg (net/socket.c:2670) 
[ 17.788778][ T302] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.789068][ T302] ? __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) 
[ 17.789431][ T302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.789731][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.790029][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.790327][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.790641][ T302] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.790937][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.791244][ T302] __sys_sendmsg (net/socket.c:2700) 
[ 17.791540][ T302] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.791899][ T302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.792199][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.792501][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.792795][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.793152][  T302] RIP: 0033:0x7f78d2fc91e7
[ 17.793463][ T302] 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)
[   17.794527][  T302] RSP: 002b:00007ffcddf80ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.794974][  T302] RAX: ffffffffffffffda RBX: 00007ffcddf81620 RCX: 00007f78d2fc91e7
[   17.795415][  T302] RDX: 0000000000000000 RSI: 00007ffcddf80f60 RDI: 0000000000000005
[   17.795861][  T302] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   17.796297][  T302] R10: 00007f78d2ec6ee8 R11: 0000000000000246 R12: 0000000000000004
[   17.796743][  T302] R13: 00000000686e6816 R14: 0000000000499600 R15: 0000000000000000
| [   20.447117][  T344] ------------[ cut here ]------------
| [ 20.447431][ T344] WARNING: CPU: 3 PID: 344 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) 
| [   20.448012][  T344] Modules linked in: 8021q vrf veth
| [   20.448880][  T344] Tainted: [W]=WARN
[   20.449096][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.449441][ T344] 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) 
[ 20.449739][ T344] 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
[   20.452249][  T344] RSP: 0018:ffffc90000737140 EFLAGS: 00010246
[   20.452614][  T344] RAX: 0000000000000000 RBX: ffff88800b8a1000 RCX: 0000000000000001
[   20.453026][  T344] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   20.453436][  T344] RBP: ffffc90000737230 R08: ffff88800b822000 R09: 0000000000000000
[   20.453872][  T344] R10: ffffc900007375c8 R11: ffffffffaae50668 R12: 1ffff920000e6e2c
[   20.454286][  T344] R13: 0000000000002710 R14: ffffc90000737880 R15: ffff88800b6ed560
[   20.454711][  T344] FS:  00007f616aa5b800(0000) GS:ffff88808a237000(0000) knlGS:0000000000000000
[   20.455291][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.455642][  T344] CR2: 00000000004e5ab8 CR3: 0000000004f19004 CR4: 0000000000772ef0
[   20.456058][  T344] PKRU: 55555554
[   20.456263][  T344] Call Trace:
[   20.456467][  T344]  <TASK>
[ 20.456615][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.456914][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.457206][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.457496][ T344] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.457773][ T344] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.458049][ T344] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.458329][ T344] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.458618][ T344] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.458971][ T344] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.459245][ T344] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.459525][ T344] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.459804][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.460082][ T344] ? __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) 
[ 20.460358][ T344] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.460708][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.460984][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.461268][ T344] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.461559][ T344] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.461837][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.462113][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.462388][ T344] ? __create_object (mm/kmemleak.c:771) 
[ 20.462674][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.462951][ T344] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.463224][ T344] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.463572][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.463855][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.464134][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.464409][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.464710][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.464989][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.465262][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.465546][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.465824][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.466118][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.466399][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.466689][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.466964][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.467258][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.467554][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.467831][ T344] ? 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) 
[ 20.468108][ T344] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.468387][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.468673][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.468958][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.469236][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.469526][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.469809][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.470087][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.470362][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.470731][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 20.471006][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.471278][ T344] ? __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) 
[ 20.471639][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.471919][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.472200][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.472487][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.472763][ T344] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.473049][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.473330][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 20.473610][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.473978][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.474264][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.474550][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.474828][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.475165][  T344] RIP: 0033:0x7f616ac281e7
[ 20.475448][ T344] 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)
[   20.476438][  T344] RSP: 002b:00007ffcb774ea68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.476862][  T344] RAX: ffffffffffffffda RBX: 00007ffcb774f190 RCX: 00007f616ac281e7
[   20.477293][  T344] RDX: 0000000000000000 RSI: 00007ffcb774ead0 RDI: 0000000000000005
[   20.477713][  T344] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.478122][  T344] R10: 00007f616ab25ee8 R11: 0000000000000246 R12: 0000000000000004
[   20.478539][  T344] R13: 00000000686e6819 R14: 0000000000499600 R15: 0000000000000000
| [   23.959542][  T403] ------------[ cut here ]------------
| [ 23.959854][ T403] WARNING: CPU: 3 PID: 403 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) 
| [   23.960398][  T403] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.962203][  T403] Tainted: [W]=WARN
[   23.962411][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.962770][ T403] 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) 
[ 23.963068][ T403] 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
[   23.964068][  T403] RSP: 0018:ffffc90000797140 EFLAGS: 00010246
[   23.964418][  T403] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   23.964842][  T403] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   23.965269][  T403] RBP: ffffc90000797230 R08: ffff88800a196800 R09: 0000000000000000
[   23.965711][  T403] R10: ffffc900007975c8 R11: ffffffffaae50668 R12: 1ffff920000f2e2c
[   23.966144][  T403] R13: 0000000000002710 R14: ffffc90000797880 R15: ffff888009821560
[   23.966592][  T403] FS:  00007f97d40cf800(0000) GS:ffff88808a237000(0000) knlGS:0000000000000000
[   23.967096][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.967443][  T403] CR2: 00000000004e5aa8 CR3: 000000000a54b005 CR4: 0000000000772ef0
[   23.967877][  T403] PKRU: 55555554
[   23.968084][  T403] Call Trace:
[   23.968289][  T403]  <TASK>
[ 23.968435][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.968726][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.969008][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.969289][ T403] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.969580][ T403] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.969861][ T403] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.970148][ T403] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.970436][ T403] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.970804][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.971078][ T403] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.971353][ T403] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.971639][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.971926][ T403] ? __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) 
[ 23.972209][ T403] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.972572][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.972857][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.973132][ T403] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.973406][ T403] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.973694][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.973968][ T403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.974244][ T403] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.974529][ T403] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.974878][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.975161][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.975442][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.975727][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.976006][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.976281][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.976585][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.976869][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.977154][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.977429][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.977736][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.978022][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.978304][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.978598][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.978889][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.979163][ T403] ? 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) 
[ 23.979446][ T403] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.979733][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.980008][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.980288][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.980588][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.980874][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.981155][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.981451][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.981743][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.982105][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 23.982388][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.982680][ T403] ? __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) 
[ 23.983043][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.983323][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.983613][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.983891][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.984165][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.984453][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.984750][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 23.985026][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.985376][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.985673][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.985970][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.986254][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.986607][  T403] RIP: 0033:0x7f97d429c1e7
[ 23.986912][ T403] 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)
[   23.988005][  T403] RSP: 002b:00007ffcc2a5c918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.988428][  T403] RAX: ffffffffffffffda RBX: 00007ffcc2a5d040 RCX: 00007f97d429c1e7
[   23.988892][  T403] RDX: 0000000000000000 RSI: 00007ffcc2a5c980 RDI: 0000000000000005
[   23.989308][  T403] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   23.989738][  T403] R10: 00007f97d4199ee8 R11: 0000000000000246 R12: 0000000000000004
[   23.990168][  T403] R13: 00000000686e681c R14: 0000000000499600 R15: 0000000000000000
| [   24.433957][  T415] ------------[ cut here ]------------
| [ 24.434318][ T415] WARNING: CPU: 2 PID: 415 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) 
| [   24.434990][  T415] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.436265][  T415] Tainted: [W]=WARN
[   24.436532][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.436949][ T415] 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) 
[ 24.437313][ T415] 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
[   24.440415][  T415] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   24.440940][  T415] RAX: 0000000000000000 RBX: ffff88800b42a000 RCX: 0000000000000001
[   24.441443][  T415] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   24.442001][  T415] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.442516][  T415] R10: ffffc90000577010 R11: ffffffffaaea8918 R12: 1ffff920000aede2
[   24.443014][  T415] R13: 0000000000002710 R14: ffffc90000577010 R15: ffff88800b42af08
[   24.443522][  T415] FS:  00007fcebb38c800(0000) GS:ffff88808a1b7000(0000) knlGS:0000000000000000
[   24.444104][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.444550][  T415] CR2: 00000000004e5410 CR3: 000000000571a003 CR4: 0000000000772ef0
[   24.445061][  T415] PKRU: 55555554
[   24.445317][  T415] Call Trace:
[   24.445635][  T415]  <TASK>
[ 24.445822][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.446168][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.446521][ T415] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.446859][ T415] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.447294][ T415] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.447657][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 24.448001][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.448348][ T415] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.448835][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.449111][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.449620][ T415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.450007][ T415] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.450354][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.450723][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.451147][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.451495][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.451833][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.452180][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.452543][ T415] ? __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) 
[ 24.452887][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.453306][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.453786][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.454139][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.454749][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.455096][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.455890][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.456225][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 24.456585][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.456933][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.457281][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.457747][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.458093][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.458443][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.458786][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.459134][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.459491][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.459827][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.460169][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.460528][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.461098][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.461445][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.461832][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.462172][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.462745][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.463095][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.463430][ T415] ? 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) 
[ 24.463773][ T415] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.464118][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.464695][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.465045][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.465383][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.465762][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.466328][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.466680][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.467019][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.467454][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 24.468027][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.468362][ T415] ? __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) 
[ 24.468797][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.469145][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.469766][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.470117][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.470454][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.470806][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.471156][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 24.471511][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.471928][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.472279][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.473092][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.473439][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.473900][  T415] RIP: 0033:0x7fcebb5591e7
[ 24.474248][ T415] 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)
[   24.475907][  T415] RSP: 002b:00007ffe9e805848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.476415][  T415] RAX: ffffffffffffffda RBX: 00007ffe9e805f70 RCX: 00007fcebb5591e7
[   24.477198][  T415] RDX: 0000000000000000 RSI: 00007ffe9e8058b0 RDI: 0000000000000005
[   24.477751][  T415] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.478250][  T415] R10: 000000000f552910 R11: 0000000000000246 R12: 0000000000000004
[   24.478753][  T415] R13: 00000000686e681d R14: 0000000000499600 R15: 0000000000000000
| [   25.138103][  T432] ------------[ cut here ]------------
| [ 25.138500][ T432] WARNING: CPU: 0 PID: 432 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) 
| [   25.139183][  T432] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.140730][  T432] Tainted: [W]=WARN
[   25.141081][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.141521][ T432] 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) 
[ 25.141886][ T432] 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
[   25.143302][  T432] RSP: 0018:ffffc90000676ef0 EFLAGS: 00010246
[   25.143935][  T432] RAX: 0000000000000000 RBX: ffff88801010a000 RCX: 0000000000000001
[   25.144425][  T432] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   25.145118][  T432] RBP: ffffc90000676fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.145847][  T432] R10: ffffc90000677010 R11: ffffffffaaea8918 R12: 1ffff920000cede2
[   25.146355][  T432] R13: 0000000000002710 R14: ffffc90000677010 R15: ffff88801010af08
[   25.146933][  T432] FS:  00007fda4b70f800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   25.147584][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.148013][  T432] CR2: 00000000004e5418 CR3: 000000000e352003 CR4: 0000000000772ef0
[   25.148522][  T432] PKRU: 55555554
[   25.148771][  T432] Call Trace:
[   25.149041][  T432]  <TASK>
[ 25.149229][ T432] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.149589][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.149945][ T432] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.150288][ T432] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.150766][ T432] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.151173][ T432] netif_set_mtu (net/core/dev.c:9652) 
[ 25.151521][ T432] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.151874][ T432] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.152332][ T432] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.152619][ T432] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.153090][ T432] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.153513][ T432] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.153888][ T432] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.154241][ T432] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.154667][ T432] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.154992][ T432] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.155319][ T432] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.155673][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.156005][ T432] ? __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) 
[ 25.156330][ T432] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.156739][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.157071][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.157419][ T432] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.157764][ T432] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.158101][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.158430][ T432] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.158766][ T432] ? __create_object (mm/kmemleak.c:771) 
[ 25.159095][ T432] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.159424][ T432] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.159822][ T432] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.160231][ T432] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.160578][ T432] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.160911][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.161234][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.161595][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.161934][ T432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.162308][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.162668][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.163030][ T432] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.163389][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.163760][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.164101][ T432] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.164437][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.164790][ T432] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.165143][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.165465][ T432] ? 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) 
[ 25.165819][ T432] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.166191][ T432] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.166543][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.166888][ T432] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.167227][ T432] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.167571][ T432] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.167956][ T432] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.168282][ T432] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.168638][ T432] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.169081][ T432] ___sys_sendmsg (net/socket.c:2670) 
[ 25.169404][ T432] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.169736][ T432] ? __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) 
[ 25.170144][ T432] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.170472][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.170810][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.171153][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.171496][ T432] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.171821][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.172152][ T432] __sys_sendmsg (net/socket.c:2700) 
[ 25.172489][ T432] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.172896][ T432] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.173232][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.173567][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.173894][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.174305][  T432] RIP: 0033:0x7fda4b8dc1e7
[ 25.174654][ T432] 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)
[   25.175861][  T432] RSP: 002b:00007fff71dbe098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.176373][  T432] RAX: ffffffffffffffda RBX: 00007fff71dbe7c0 RCX: 00007fda4b8dc1e7
[   25.176872][  T432] RDX: 0000000000000000 RSI: 00007fff71dbe100 RDI: 0000000000000005
[   25.177396][  T432] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.177905][  T432] R10: 00000000179e1910 R11: 0000000000000246 R12: 0000000000000004
[   25.178421][  T432] R13: 00000000686e681d R14: 0000000000499600 R15: 0000000000000000
| [   25.896531][  T451] ------------[ cut here ]------------
| [ 25.896933][ T451] WARNING: CPU: 3 PID: 451 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) 
| [   25.897888][  T451] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.900984][  T451] Tainted: [W]=WARN
[   25.901380][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.902017][ T451] 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) 
[ 25.902561][ T451] 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
[   25.904264][  T451] RSP: 0018:ffffc90000717140 EFLAGS: 00010246
[   25.904953][  T451] RAX: 0000000000000000 RBX: ffff8880094bc000 RCX: 0000000000000001
[   25.905724][  T451] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   25.906471][  T451] RBP: ffffc90000717230 R08: ffff888005908800 R09: 0000000000000000
[   25.907253][  T451] R10: ffffc900007175c8 R11: ffffffffaae50668 R12: 1ffff920000e2e2c
[   25.908029][  T451] R13: 0000000000002710 R14: ffffc90000717880 R15: ffff888009823860
[   25.908788][  T451] FS:  00007f339dfdb800(0000) GS:ffff88808a237000(0000) knlGS:0000000000000000
[   25.909678][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.910317][  T451] CR2: 00000000004e5ab0 CR3: 000000000e3b8002 CR4: 0000000000772ef0
[   25.911075][  T451] PKRU: 55555554
[   25.911457][  T451] Call Trace:
[   25.911883][  T451]  <TASK>
[ 25.912137][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.912656][ T451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.913172][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.913698][ T451] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.914201][ T451] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.914713][ T451] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.915221][ T451] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.915642][ T451] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.916264][ T451] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.916776][ T451] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.917314][ T451] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.917865][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.918376][ T451] ? __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) 
[ 25.918896][ T451] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.919531][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.920035][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.920568][ T451] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.921064][ T451] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.921574][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.922072][ T451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.922583][ T451] ? __create_object (mm/kmemleak.c:771) 
[ 25.923091][ T451] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.923609][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.924135][ T451] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.924662][ T451] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.925203][ T451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.925730][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.926229][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.926790][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.927328][ T451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.927815][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.928215][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.928724][ T451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.929228][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.929764][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.930153][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.930598][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.931105][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.931644][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.932139][ T451] ? 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) 
[ 25.932658][ T451] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.933191][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.933676][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.934119][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.934631][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.935160][ T451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.935689][ T451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.936199][ T451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.936707][ T451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.937372][ T451] ___sys_sendmsg (net/socket.c:2670) 
[ 25.937873][ T451] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.938265][ T451] ? __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) 
[ 25.938874][ T451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.939306][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.939820][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.940330][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.940853][ T451] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.941377][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.941913][ T451] __sys_sendmsg (net/socket.c:2700) 
[ 25.942429][ T451] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.943058][ T451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.943600][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.944106][ T451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.944695][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.945324][  T451] RIP: 0033:0x7f339e1a81e7
[ 25.945853][ T451] 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)
[   25.947496][  T451] RSP: 002b:00007fff4e459068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.948128][  T451] RAX: ffffffffffffffda RBX: 00007fff4e459790 RCX: 00007f339e1a81e7
[   25.948900][  T451] RDX: 0000000000000000 RSI: 00007fff4e4590d0 RDI: 0000000000000005
[   25.949659][  T451] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.950406][  T451] R10: 00007f339e0a5ee8 R11: 0000000000000246 R12: 0000000000000004
[   25.951206][  T451] R13: 00000000686e681e R14: 0000000000499600 R15: 0000000000000000
| [   26.485959][  T463] ------------[ cut here ]------------
| [ 26.486270][ T463] WARNING: CPU: 0 PID: 463 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) 
| [   26.486876][  T463] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.488097][  T463] Tainted: [W]=WARN
[   26.488329][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.488722][ T463] 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) 
[ 26.489040][ T463] 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
[   26.490140][  T463] RSP: 0018:ffffc900007c6ef0 EFLAGS: 00010246
[   26.490539][  T463] RAX: 0000000000000000 RBX: ffff88800b42a000 RCX: 0000000000000001
[   26.491000][  T463] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   26.491462][  T463] RBP: ffffc900007c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.491938][  T463] R10: ffffc900007c7010 R11: ffffffffaaea8918 R12: 1ffff920000f8de2
[   26.492399][  T463] R13: 0000000000002710 R14: ffffc900007c7010 R15: ffff88800b42af08
[   26.492866][  T463] FS:  00007f0560139800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   26.493405][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.493797][  T463] CR2: 00000000004e5410 CR3: 000000000e3b2003 CR4: 0000000000772ef0
[   26.494265][  T463] PKRU: 55555554
[   26.494502][  T463] Call Trace:
[   26.494731][  T463]  <TASK>
[ 26.494889][ T463] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.495194][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.495515][ T463] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.495819][ T463] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.496202][ T463] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.496515][ T463] netif_set_mtu (net/core/dev.c:9652) 
[ 26.496821][ T463] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.497147][ T463] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.497638][ T463] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.497873][ T463] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.498292][ T463] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.498649][ T463] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 26.498968][ T463] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.499278][ T463] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.499668][ T463] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.499972][ T463] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.500273][ T463] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.500589][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.500903][ T463] ? __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) 
[ 26.501209][ T463] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.501631][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.501942][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.502246][ T463] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.502558][ T463] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.502864][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.503175][ T463] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.503498][ T463] ? __create_object (mm/kmemleak.c:771) 
[ 26.503811][ T463] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.504118][ T463] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.504439][ T463] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.504829][ T463] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.505142][ T463] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.505493][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.505805][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.506115][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.506418][ T463] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.506730][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.507036][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.507346][ T463] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.507660][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.507980][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.508295][ T463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.508644][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.508954][ T463] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.509297][ T463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.509631][ T463] ? 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) 
[ 26.509940][ T463] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.510255][ T463] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.510618][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.510951][ T463] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.511274][ T463] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.511602][ T463] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.511932][ T463] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.512258][ T463] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.512586][ T463] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.513001][ T463] ___sys_sendmsg (net/socket.c:2670) 
[ 26.513317][ T463] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.513648][ T463] ? __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) 
[ 26.514045][ T463] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.514394][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.514732][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.515285][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.515622][ T463] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.515946][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.516272][ T463] __sys_sendmsg (net/socket.c:2700) 
[ 26.516822][ T463] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.517233][ T463] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.517574][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.517899][ T463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.518495][ T463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.518900][  T463] RIP: 0033:0x7f05603061e7
[ 26.519229][ T463] 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)
[   26.520393][  T463] RSP: 002b:00007ffdc9693cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.521127][  T463] RAX: ffffffffffffffda RBX: 00007ffdc9694420 RCX: 00007f05603061e7
[   26.521618][  T463] RDX: 0000000000000000 RSI: 00007ffdc9693d60 RDI: 0000000000000005
[   26.522083][  T463] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.522833][  T463] R10: 000000002a576910 R11: 0000000000000246 R12: 0000000000000004
[   26.523319][  T463] R13: 00000000686e681f R14: 0000000000499600 R15: 0000000000000000
| [   27.204842][  T480] ------------[ cut here ]------------
| [ 27.205237][ T480] WARNING: CPU: 3 PID: 480 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) 
| [   27.206295][  T480] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   27.208495][  T480] Tainted: [W]=WARN
[   27.208921][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.209626][ T480] 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) 
[ 27.210216][ T480] 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
[   27.212239][  T480] RSP: 0018:ffffc90000a06ef0 EFLAGS: 00010246
[   27.213001][  T480] RAX: 0000000000000000 RBX: ffff88801010a000 RCX: 0000000000000001
[   27.213859][  T480] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   27.214699][  T480] RBP: ffffc90000a06fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.215524][  T480] R10: ffffc90000a07010 R11: ffffffffaaea8918 R12: 1ffff92000140de2
[   27.216384][  T480] R13: 0000000000002710 R14: ffffc90000a07010 R15: ffff88801010af08
[   27.217258][  T480] FS:  00007f00c4355800(0000) GS:ffff88808a237000(0000) knlGS:0000000000000000
[   27.218258][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.218980][  T480] CR2: 00000000004e5418 CR3: 000000000e144003 CR4: 0000000000772ef0
[   27.219835][  T480] PKRU: 55555554
[   27.220240][  T480] Call Trace:
[   27.220686][  T480]  <TASK>
[ 27.220974][ T480] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.221535][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.222095][ T480] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.222681][ T480] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.223363][ T480] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.223963][ T480] netif_set_mtu (net/core/dev.c:9652) 
[ 27.224529][ T480] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.225127][ T480] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.225786][ T480] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.226179][ T480] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.226938][ T480] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.227469][ T480] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 27.228009][ T480] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.228577][ T480] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.229268][ T480] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.229795][ T480] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.230275][ T480] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.230799][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.231363][ T480] ? __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) 
[ 27.231939][ T480] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.232625][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.233179][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.233736][ T480] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.234284][ T480] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.234845][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.235402][ T480] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.235965][ T480] ? __create_object (mm/kmemleak.c:771) 
[ 27.236521][ T480] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.237066][ T480] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.237627][ T480] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.238308][ T480] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.238876][ T480] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.239426][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.239985][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.240558][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.241097][ T480] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.241672][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.242217][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.242769][ T480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.243331][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.243902][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.244460][ T480] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.245018][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.245588][ T480] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.246154][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.246716][ T480] ? 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) 
[ 27.247269][ T480] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 27.247847][ T480] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.248390][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.248957][ T480] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.249526][ T480] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.250081][ T480] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.250653][ T480] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.251211][ T480] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.251788][ T480] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.252540][ T480] ___sys_sendmsg (net/socket.c:2670) 
[ 27.253118][ T480] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.253679][ T480] ? __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) 
[ 27.254424][ T480] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.255019][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.255624][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.256181][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.256824][ T480] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.257387][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.257964][ T480] __sys_sendmsg (net/socket.c:2700) 
[ 27.258513][ T480] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.259191][ T480] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.259769][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.260335][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.260907][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.261613][  T480] RIP: 0033:0x7f00c45221e7
[ 27.262176][ T480] 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)
[   27.264161][  T480] RSP: 002b:00007ffc004f24a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.264997][  T480] RAX: ffffffffffffffda RBX: 00007ffc004f2bd0 RCX: 00007f00c45221e7
[   27.265837][  T480] RDX: 0000000000000000 RSI: 00007ffc004f2510 RDI: 0000000000000005
[   27.266674][  T480] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.267516][  T480] R10: 000000003e58e910 R11: 0000000000000246 R12: 0000000000000004
[   27.268357][  T480] R13: 00000000686e681f R14: 0000000000499600 R15: 0000000000000000
| [   56.250800][  T629] ------------[ cut here ]------------
| [ 56.251123][ T629] WARNING: CPU: 0 PID: 629 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   56.252129][  T629] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   56.253385][  T629] Tainted: [W]=WARN
[   56.253627][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.254008][ T629] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 56.254323][ T629] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   56.255447][  T629] RSP: 0018:ffffc90000766f70 EFLAGS: 00010246
[   56.255860][  T629] RAX: 0000000000000000 RBX: ffff88801010a000 RCX: 0000000000000001
[   56.256322][  T629] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   56.256784][  T629] RBP: ffffc90000767058 R08: 0000000000000000 R09: 0000000000000000
[   56.257252][  T629] R10: ffffc90000767088 R11: ffffffffa6400130 R12: 1ffff920000ecdf2
[   56.257720][  T629] R13: 0000000000002710 R14: ffffc90000767088 R15: ffff88801010af08
[   56.258177][  T629] FS:  00007f25303c8800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   56.258731][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.259118][  T629] CR2: 00000000004e5630 CR3: 000000000e1da006 CR4: 0000000000772ef0
[   56.259595][  T629] PKRU: 55555554
[   56.259836][  T629] Call Trace:
[   56.260066][  T629]  <TASK>
[ 56.260229][ T629] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 56.260622][ T629] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 56.260963][ T629] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 56.261266][ T629] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.261579][ T629] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.261883][ T629] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.262186][ T629] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.262508][ T629] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.262811][ T629] ? ___sys_sendmsg (net/socket.c:2670) 
[ 56.263113][ T629] ? __sys_sendmsg (net/socket.c:2700) 
[ 56.263413][ T629] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.263741][ T629] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 56.264120][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.264431][ T629] netif_set_mtu (net/core/dev.c:9652) 
[ 56.264744][ T629] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.265070][ T629] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.265300][ T629] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 56.265722][ T629] br_del_if (net/bridge/br_if.c:743) bridge 
[ 56.266051][ T629] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 56.266380][ T629] do_set_master (net/core/rtnetlink.c:2932) 
[ 56.266698][ T629] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.267008][ T629] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.267412][ T629] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.267833][ T629] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.268146][ T629] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.268453][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.268797][ T629] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 56.269103][ T629] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.269490][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.269804][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.270111][ T629] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.270412][ T629] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.270723][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.271030][ T629] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.271332][ T629] ? __create_object (mm/kmemleak.c:771) 
[ 56.271655][ T629] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.271963][ T629] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.272274][ T629] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.272661][ T629] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.272972][ T629] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.273282][ T629] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.273591][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.273901][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.274205][ T629] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.274518][ T629] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.274824][ T629] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.275125][ T629] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.275429][ T629] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.275752][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.276061][ T629] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.276366][ T629] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.276678][ T629] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.277000][ T629] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.277313][ T629] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 56.277637][ T629] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.277943][ T629] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.278246][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.278563][ T629] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.278870][ T629] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.279179][ T629] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.279511][ T629] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.279824][ T629] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.280125][ T629] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.280521][ T629] ___sys_sendmsg (net/socket.c:2670) 
[ 56.280822][ T629] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.281125][ T629] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 56.281512][ T629] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.281822][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.282129][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.282439][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.282778][ T629] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.283082][ T629] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.283393][ T629] __sys_sendmsg (net/socket.c:2700) 
[ 56.283721][ T629] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.284105][ T629] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.284421][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.284732][ T629] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.285036][ T629] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.285410][  T629] RIP: 0033:0x7f25305951e7
[ 56.285730][ T629] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   56.286826][  T629] RSP: 002b:00007ffe06101678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.287303][  T629] RAX: ffffffffffffffda RBX: 00007ffe06101da0 RCX: 00007f25305951e7
[   56.287781][  T629] RDX: 0000000000000000 RSI: 00007ffe061016e0 RDI: 0000000000000005
[   56.288243][  T629] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   56.288705][  T629] R10: 00007f2530492ee8 R11: 0000000000000246 R12: 0000000000000003
[   56.289160][  T629] R13: 00000000686e683c R14: 0000000000499600 R15: 0000000000000000
| [   56.701877][  T637] ------------[ cut here ]------------
| [ 56.702197][ T637] WARNING: CPU: 3 PID: 637 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) 
| [   56.702799][  T637] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   56.704071][  T637] Tainted: [W]=WARN
[   56.704300][  T637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.704685][ T637] 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) 
[ 56.704997][ T637] 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
[   56.706097][  T637] RSP: 0018:ffffc90000696f70 EFLAGS: 00010246
[   56.706491][  T637] RAX: 0000000000000000 RBX: ffff88800b42a000 RCX: 0000000000000001
[   56.706942][  T637] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   56.707415][  T637] RBP: ffffc90000697058 R08: 0000000000000000 R09: 0000000000000000
[   56.707876][  T637] R10: ffffc90000697088 R11: ffffffffaa579160 R12: 1ffff920000d2df2
[   56.708331][  T637] R13: 0000000000002710 R14: ffffc90000697088 R15: ffff88800b42af08
[   56.708791][  T637] FS:  00007f1b02d6c800(0000) GS:ffff88808a237000(0000) knlGS:0000000000000000
[   56.709323][  T637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.709711][  T637] CR2: 00000000004e5628 CR3: 0000000005ae0001 CR4: 0000000000772ef0
[   56.710171][  T637] PKRU: 55555554
[   56.710399][  T637] Call Trace:
[   56.710632][  T637]  <TASK>
[ 56.710787][ T637] ? __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) 
[ 56.711164][ T637] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 56.711518][ T637] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 56.711830][ T637] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.712131][ T637] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.712432][ T637] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.712741][ T637] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.713040][ T637] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.713343][ T637] ? ___sys_sendmsg (net/socket.c:2670) 
[ 56.713657][ T637] ? __sys_sendmsg (net/socket.c:2700) 
[ 56.713958][ T637] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.714258][ T637] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 56.714641][ T637] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.714954][ T637] netif_set_mtu (net/core/dev.c:9652) 
[ 56.715258][ T637] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.715587][ T637] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.715819][ T637] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 56.716235][ T637] br_del_if (net/bridge/br_if.c:743) bridge 
[ 56.716579][ T637] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 56.716883][ T637] do_set_master (net/core/rtnetlink.c:2932) 
[ 56.717201][ T637] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.717517][ T637] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.717904][ T637] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.718208][ T637] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.718524][ T637] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.718832][ T637] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.719140][ T637] ? __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) 
[ 56.719443][ T637] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.719828][ T637] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.720131][ T637] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.720431][ T637] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.720750][ T637] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.721056][ T637] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.721359][ T637] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.721668][ T637] ? __create_object (mm/kmemleak.c:771) 
[ 56.721977][ T637] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.722282][ T637] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.722607][ T637] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.722989][ T637] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.723299][ T637] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.723615][ T637] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.723917][ T637] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.724227][ T637] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.724544][ T637] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.724844][ T637] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.725153][ T637] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.725461][ T637] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.725781][ T637] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.726092][ T637] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.726409][ T637] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.726721][ T637] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.727025][ T637] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.727353][ T637] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.727669][ T637] ? 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) 
[ 56.727975][ T637] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.728281][ T637] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.728591][ T637] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.728900][ T637] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.729210][ T637] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.729524][ T637] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.729843][ T637] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.730159][ T637] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.730462][ T637] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.730864][ T637] ___sys_sendmsg (net/socket.c:2670) 
[ 56.731172][ T637] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.731473][ T637] ? __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) 
[ 56.731859][ T637] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.732177][ T637] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.732492][ T637] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.732803][ T637] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.733105][ T637] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.733405][ T637] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.733725][ T637] __sys_sendmsg (net/socket.c:2700) 
[ 56.734027][ T637] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.734403][ T637] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.734734][ T637] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.735039][ T637] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.735344][ T637] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.735728][  T637] RIP: 0033:0x7f1b02f391e7
[ 56.736043][ T637] 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)
[   56.737146][  T637] RSP: 002b:00007fffadba2be8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.737616][  T637] RAX: ffffffffffffffda RBX: 00007fffadba3310 RCX: 00007f1b02f391e7
[   56.738076][  T637] RDX: 0000000000000000 RSI: 00007fffadba2c50 RDI: 0000000000000005
[   56.738537][  T637] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   56.738997][  T637] R10: 00007f1b02e36ee8 R11: 0000000000000246 R12: 0000000000000003
[   56.739448][  T637] R13: 00000000686e683d R14: 0000000000499600 R15: 0000000000000000
| [   57.039697][  T641] ------------[ cut here ]------------
| [ 57.040018][ T641] WARNING: CPU: 0 PID: 641 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) 
| [   57.040889][  T641] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.042068][  T641] Tainted: [W]=WARN
[   57.042285][  T641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.042633][ T641] 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) 
[ 57.042919][ T641] 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
[   57.043910][  T641] RSP: 0018:ffffc900004c7140 EFLAGS: 00010246
[   57.044264][  T641] RAX: 0000000000000000 RBX: ffff8880094bc000 RCX: 0000000000000001
[   57.044684][  T641] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   57.045096][  T641] RBP: ffffc900004c7230 R08: ffff8880098eb800 R09: 0000000000000000
[   57.045511][  T641] R10: ffffc900004c75c8 R11: ffffffffaae50668 R12: 1ffff92000098e2c
[   57.045927][  T641] R13: 00000000000005dc R14: ffffc900004c7880 R15: ffff8880096c7860
[   57.046334][  T641] FS:  00007f330b619800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   57.046824][  T641] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.047180][  T641] CR2: 00000000004e5ab0 CR3: 000000000b4df001 CR4: 0000000000772ef0
[   57.047597][  T641] PKRU: 55555554
[   57.047807][  T641] Call Trace:
[   57.048011][  T641]  <TASK>
[ 57.048149][ T641] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.048429][ T641] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.048721][ T641] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.049002][ T641] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 57.049276][ T641] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 57.049715][ T641] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 57.050001][ T641] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 57.050278][ T641] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.050752][ T641] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.051026][ T641] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.051297][ T641] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.051723][ T641] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.052004][ T641] ? __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) 
[ 57.052284][ T641] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.052772][ T641] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.053051][ T641] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.053322][ T641] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.053608][ T641] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.053883][ T641] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.054160][ T641] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.054439][ T641] ? __create_object (mm/kmemleak.c:771) 
[ 57.054725][ T641] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.055004][ T641] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.055277][ T641] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.055625][ T641] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.055912][ T641] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.056191][ T641] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.056464][ T641] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.056771][ T641] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.057049][ T641] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.057333][ T641] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.057618][ T641] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.057890][ T641] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.058167][ T641] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.058443][ T641] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.058733][ T641] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.059007][ T641] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.059280][ T641] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.059572][ T641] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.059843][ T641] ? 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) 
[ 57.060118][ T641] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.060397][ T641] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.060693][ T641] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.060973][ T641] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.061250][ T641] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.061532][ T641] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.061812][ T641] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.062088][ T641] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.062360][ T641] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.062750][ T641] ___sys_sendmsg (net/socket.c:2670) 
[ 57.063021][ T641] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.063294][ T641] ? __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) 
[ 57.063642][ T641] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.063919][ T641] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.064221][ T641] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.064524][ T641] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.064818][ T641] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.065119][ T641] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.065394][ T641] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 57.065681][ T641] __sys_sendmsg (net/socket.c:2700) 
[ 57.065956][ T641] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 57.066294][ T641] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.066585][ T641] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.066860][ T641] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.067154][ T641] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.067520][  T641] RIP: 0033:0x7f330b7e61e7
[ 57.067804][ T641] 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)
[   57.068796][  T641] RSP: 002b:00007ffcea6e1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.069215][  T641] RAX: ffffffffffffffda RBX: 00007ffcea6e1760 RCX: 00007f330b7e61e7
[   57.069641][  T641] RDX: 0000000000000000 RSI: 00007ffcea6e10a0 RDI: 0000000000000005
[   57.070060][  T641] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   57.070467][  T641] R10: 00007f330b6e3ee8 R11: 0000000000000246 R12: 0000000000000004
[   57.070892][  T641] R13: 00000000686e683d R14: 0000000000499600 R15: 0000000000000000
| [   57.456047][  T647] ------------[ cut here ]------------
| [ 57.456379][ T647] WARNING: CPU: 0 PID: 647 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) 
| [   57.458471][  T647] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.459813][  T647] Tainted: [W]=WARN
[   57.460062][  T647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.460459][ T647] 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) 
[ 57.460795][ T647] 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
[   57.461942][  T647] RSP: 0018:ffffc900008c6f70 EFLAGS: 00010246
[   57.462341][  T647] RAX: 0000000000000000 RBX: ffff88801010a000 RCX: 0000000000000001
[   57.462821][  T647] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   57.463298][  T647] RBP: ffffc900008c7058 R08: 0000000000000000 R09: 0000000000000000
[   57.463815][  T647] R10: ffffc900008c7088 R11: ffffffffaa579160 R12: 1ffff92000118df2
[   57.464298][  T647] R13: 00000000000005dc R14: ffffc900008c7088 R15: ffff88801010af08
[   57.464784][  T647] FS:  00007f18026dc800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   57.465334][  T647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.465747][  T647] CR2: 00000000004e73c0 CR3: 000000000e820006 CR4: 0000000000772ef0
[   57.466223][  T647] PKRU: 55555554
[   57.466462][  T647] Call Trace:
[   57.466711][  T647]  <TASK>
[ 57.466874][ T647] ? __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) 
[ 57.467285][ T647] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 57.467662][ T647] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 57.467989][ T647] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.468310][ T647] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.468638][ T647] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.469015][ T647] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.469337][ T647] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.469670][ T647] ? ___sys_sendmsg (net/socket.c:2670) 
[ 57.469991][ T647] ? __sys_sendmsg (net/socket.c:2700) 
[ 57.470317][ T647] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.470643][ T647] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 57.471041][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.471370][ T647] netif_set_mtu (net/core/dev.c:9652) 
[ 57.471710][ T647] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.472054][ T647] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.472296][ T647] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 57.472737][ T647] br_del_if (net/bridge/br_if.c:743) bridge 
[ 57.473090][ T647] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 57.473412][ T647] do_set_master (net/core/rtnetlink.c:2932) 
[ 57.473745][ T647] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.474068][ T647] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.474471][ T647] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.474823][ T647] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.475143][ T647] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.475472][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.475822][ T647] ? __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) 
[ 57.476142][ T647] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.476551][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.476874][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.477233][ T647] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.477562][ T647] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.477892][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.478194][ T647] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.478508][ T647] ? __create_object (mm/kmemleak.c:771) 
[ 57.478820][ T647] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.479124][ T647] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.479427][ T647] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.479822][ T647] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.480133][ T647] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.480448][ T647] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.480763][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.481075][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.481380][ T647] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.481689][ T647] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.482011][ T647] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.482328][ T647] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.482644][ T647] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.482960][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.483271][ T647] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.483592][ T647] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.483901][ T647] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.484216][ T647] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.484525][ T647] ? 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) 
[ 57.484837][ T647] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.485142][ T647] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.485443][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.485764][ T647] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.486080][ T647] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.486384][ T647] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.486702][ T647] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.487012][ T647] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.487332][ T647] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.487736][ T647] ___sys_sendmsg (net/socket.c:2670) 
[ 57.488042][ T647] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.488344][ T647] ? __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) 
[ 57.488729][ T647] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.489039][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.489345][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.489668][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.489977][ T647] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.490279][ T647] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.490596][ T647] __sys_sendmsg (net/socket.c:2700) 
[ 57.490916][ T647] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.491311][ T647] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.491649][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.491965][ T647] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.492269][ T647] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.492657][  T647] RIP: 0033:0x7f18028a91e7
[ 57.492971][ T647] 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)
[   57.494080][  T647] RSP: 002b:00007ffe0582f8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.494547][  T647] RAX: ffffffffffffffda RBX: 00007ffe0582ffe0 RCX: 00007f18028a91e7
[   57.495002][  T647] RDX: 0000000000000000 RSI: 00007ffe0582f920 RDI: 0000000000000005
[   57.495455][  T647] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.495939][  T647] R10: 00007f18027a6ee8 R11: 0000000000000246 R12: 0000000000000003
[   57.496398][  T647] R13: 00000000686e683e R14: 0000000000499600 R15: 0000000000000000
| [   57.961685][  T653] ------------[ cut here ]------------
| [ 57.962014][ T653] WARNING: CPU: 3 PID: 653 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) 
| [   57.962943][  T653] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.964244][  T653] Tainted: [W]=WARN
[   57.964487][  T653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.964874][ T653] 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) 
[ 57.965205][ T653] 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
[   57.966371][  T653] RSP: 0018:ffffc90000516f70 EFLAGS: 00010246
[   57.966803][  T653] RAX: 0000000000000000 RBX: ffff88800b42a000 RCX: 0000000000000001
[   57.967294][  T653] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   57.967779][  T653] RBP: ffffc90000517058 R08: 0000000000000000 R09: 0000000000000000
[   57.968256][  T653] R10: ffffc90000517088 R11: ffffffffaa579160 R12: 1ffff920000a2df2
[   57.968736][  T653] R13: 00000000000005dc R14: ffffc90000517088 R15: ffff88800b42af08
[   57.969204][  T653] FS:  00007fc0078c6800(0000) GS:ffff88808a237000(0000) knlGS:0000000000000000
[   57.969770][  T653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.970169][  T653] CR2: 00000000004e73b8 CR3: 000000000e39b002 CR4: 0000000000772ef0
[   57.970659][  T653] PKRU: 55555554
[   57.970888][  T653] Call Trace:
[   57.971130][  T653]  <TASK>
[ 57.971285][ T653] ? __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) 
[ 57.971681][ T653] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 57.972040][ T653] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 57.972361][ T653] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.972695][ T653] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.973007][ T653] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.973325][ T653] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.973650][ T653] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.973971][ T653] ? ___sys_sendmsg (net/socket.c:2670) 
[ 57.974281][ T653] ? __sys_sendmsg (net/socket.c:2700) 
[ 57.974607][ T653] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.974928][ T653] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 57.975328][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.975655][ T653] netif_set_mtu (net/core/dev.c:9652) 
[ 57.975974][ T653] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.976300][ T653] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.976554][ T653] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 57.976998][ T653] br_del_if (net/bridge/br_if.c:743) bridge 
[ 57.977342][ T653] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 57.977680][ T653] do_set_master (net/core/rtnetlink.c:2932) 
[ 57.978005][ T653] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.978324][ T653] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.978719][ T653] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.979022][ T653] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.979335][ T653] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.979808][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.980122][ T653] ? __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) 
[ 57.980442][ T653] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.980829][ T653] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.981138][ T653] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.981455][ T653] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.981797][ T653] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.982106][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.982422][ T653] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.982744][ T653] ? __create_object (mm/kmemleak.c:771) 
[ 57.983064][ T653] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.983393][ T653] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.983708][ T653] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.984104][ T653] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.984428][ T653] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.984757][ T653] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.985077][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.985406][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.985747][ T653] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.986056][ T653] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.986364][ T653] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.986702][ T653] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.987027][ T653] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.987358][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.987697][ T653] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.988011][ T653] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.988316][ T653] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.988650][ T653] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.988975][ T653] ? 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) 
[ 57.989289][ T653] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.989649][ T653] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.989958][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.990268][ T653] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.990601][ T653] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.990907][ T653] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.991234][ T653] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.991578][ T653] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.991888][ T653] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.992296][ T653] ___sys_sendmsg (net/socket.c:2670) 
[ 57.992625][ T653] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.992931][ T653] ? __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) 
[ 57.993320][ T653] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.993672][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.993999][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.994309][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.994639][ T653] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.994952][ T653] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.995264][ T653] __sys_sendmsg (net/socket.c:2700) 
[ 57.995575][ T653] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.995964][ T653] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.996298][ T653] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.996642][ T653] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.996950][ T653] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.997346][  T653] RIP: 0033:0x7fc007a931e7
[ 57.997696][ T653] 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)
[   57.998824][  T653] RSP: 002b:00007fffe57aa378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.999311][  T653] RAX: ffffffffffffffda RBX: 00007fffe57aaaa0 RCX: 00007fc007a931e7
[   57.999787][  T653] RDX: 0000000000000000 RSI: 00007fffe57aa3e0 RDI: 0000000000000005
[   58.000241][  T653] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   58.000724][  T653] R10: 00007fc007990ee8 R11: 0000000000000246 R12: 0000000000000003
[   58.001190][  T653] R13: 00000000686e683e R14: 0000000000499600 R15: 0000000000000000
| [   58.275065][  T657] ------------[ cut here ]------------
| [ 58.275410][ T657] WARNING: CPU: 2 PID: 657 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) 
| [   58.275992][  T657] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   58.277167][  T657] Tainted: [W]=WARN
[   58.277392][  T657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.279202][ T657] 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) 
[ 58.279531][ T657] 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
[   58.280535][  T657] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   58.280897][  T657] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   58.281321][  T657] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   58.281762][  T657] RBP: ffffc900009b7230 R08: ffff88800b7cd000 R09: 0000000000000000
[   58.282182][  T657] R10: ffffc900009b75c8 R11: ffffffffaae50668 R12: 1ffff92000136e2c
[   58.282613][  T657] R13: 00000000000005dc R14: ffffc900009b7880 R15: ffff88800f401560
[   58.283032][  T657] FS:  00007f5f835fb800(0000) GS:ffff88808a1b7000(0000) knlGS:0000000000000000
[   58.283531][  T657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.283889][  T657] CR2: 00000000004e5aa8 CR3: 000000000f790002 CR4: 0000000000772ef0
[   58.284312][  T657] PKRU: 55555554
[   58.284539][  T657] Call Trace:
[   58.284754][  T657]  <TASK>
[ 58.284908][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.285197][ T657] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.285498][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.285788][ T657] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 58.286075][ T657] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 58.286361][ T657] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 58.286659][ T657] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 58.286949][ T657] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 58.287337][ T657] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 58.287635][ T657] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 58.287922][ T657] ? __kernel_text_address (kernel/extable.c:79) 
[ 58.288210][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.288509][ T657] ? __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) 
[ 58.288794][ T657] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 58.289146][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.289437][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.289732][ T657] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 58.290016][ T657] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 58.290301][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.290596][ T657] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 58.290878][ T657] ? __create_object (mm/kmemleak.c:771) 
[ 58.291165][ T657] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 58.291450][ T657] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 58.291855][ T657] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 58.292367][ T657] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 58.292883][ T657] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 58.293368][ T657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.293794][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.294286][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.294795][ T657] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 58.295292][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.295796][ T657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.296277][ T657] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 58.296787][ T657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.297284][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.297789][ T657] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 58.298281][ T657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.298809][ T657] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 58.299313][ T657] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 58.299832][ T657] ? 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) 
[ 58.300345][ T657] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 58.300881][ T657] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 58.301384][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.301912][ T657] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.302406][ T657] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 58.302940][ T657] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 58.303454][ T657] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.303977][ T657] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 58.304495][ T657] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 58.305141][ T657] ___sys_sendmsg (net/socket.c:2670) 
[ 58.305658][ T657] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.306160][ T657] ? __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) 
[ 58.306796][ T657] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 58.307296][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.307818][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.308327][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.308858][ T657] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 58.309365][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.309907][ T657] __sys_sendmsg (net/socket.c:2700) 
[ 58.310423][ T657] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 58.311048][ T657] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 58.311586][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.312085][ T657] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.312597][ T657] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.313220][  T657] RIP: 0033:0x7f5f837c81e7
[ 58.313786][ T657] 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)
[   58.315529][  T657] RSP: 002b:00007fff17a02128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   58.316273][  T657] RAX: ffffffffffffffda RBX: 00007fff17a02850 RCX: 00007f5f837c81e7
[   58.317040][  T657] RDX: 0000000000000000 RSI: 00007fff17a02190 RDI: 0000000000000005
[   58.317835][  T657] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   58.318605][  T657] R10: 00007f5f836c5ee8 R11: 0000000000000246 R12: 0000000000000004
[   58.319344][  T657] R13: 00000000686e683e R14: 0000000000499600 R15: 0000000000000000
| [   59.665550][  T671] ------------[ cut here ]------------
| [ 59.665885][ T671] WARNING: CPU: 3 PID: 671 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) 
| [   59.666474][  T671] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   59.669074][  T671] Tainted: [W]=WARN
[   59.669311][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.669686][ T671] 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) 
[ 59.669990][ T671] 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
[   59.671034][  T671] RSP: 0018:ffffc90000a27140 EFLAGS: 00010246
[   59.671404][  T671] RAX: 0000000000000000 RBX: ffff88800b8a1000 RCX: 0000000000000001
[   59.671849][  T671] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   59.672283][  T671] RBP: ffffc90000a27230 R08: ffff88800ee0b800 R09: 0000000000000000
[   59.672725][  T671] R10: ffffc90000a275c8 R11: ffffffffaae50668 R12: 1ffff92000144e2c
[   59.673241][  T671] R13: 00000000000005dc R14: ffffc90000a27880 R15: ffff8880096c51e0
[   59.673688][  T671] FS:  00007f5248706800(0000) GS:ffff88808a237000(0000) knlGS:0000000000000000
[   59.674200][  T671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.674576][  T671] CR2: 00000000004e5ab8 CR3: 000000000c1e8001 CR4: 0000000000772ef0
[   59.675023][  T671] PKRU: 55555554
[   59.675242][  T671] Call Trace:
[   59.675460][  T671]  <TASK>
[ 59.675618][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.675915][ T671] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.676205][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.676508][ T671] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 59.676805][ T671] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 59.677097][ T671] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 59.677400][ T671] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 59.677712][ T671] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.678086][ T671] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.678377][ T671] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.678676][ T671] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.678972][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.679267][ T671] ? __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) 
[ 59.679568][ T671] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.679932][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.680225][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.680532][ T671] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.680825][ T671] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.681119][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.681409][ T671] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.681706][ T671] ? __create_object (mm/kmemleak.c:771) 
[ 59.682002][ T671] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.682297][ T671] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.682593][ T671] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.682965][ T671] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.683264][ T671] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.683566][ T671] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.683855][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.684150][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.684440][ T671] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.684752][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.685051][ T671] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.685341][ T671] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.685644][ T671] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.685944][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.686243][ T671] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.686539][ T671] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.686831][ T671] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.687142][ T671] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.687438][ T671] ? 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) 
[ 59.687742][ T671] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 59.688043][ T671] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.688337][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.688650][ T671] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.688947][ T671] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.689241][ T671] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.689547][ T671] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.689840][ T671] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.690135][ T671] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.690526][ T671] ___sys_sendmsg (net/socket.c:2670) 
[ 59.690817][ T671] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.691111][ T671] ? __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) 
[ 59.691475][ T671] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.691787][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.692084][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.692384][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.692687][ T671] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.692984][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.693287][ T671] __sys_sendmsg (net/socket.c:2700) 
[ 59.693585][ T671] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.693945][ T671] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.694260][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.694563][ T671] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.694857][ T671] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.695217][  T671] RIP: 0033:0x7f52488d31e7
[ 59.695526][ T671] 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)
[   59.696574][  T671] RSP: 002b:00007ffc10202338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.697015][  T671] RAX: ffffffffffffffda RBX: 00007ffc10202a60 RCX: 00007f52488d31e7
[   59.697459][  T671] RDX: 0000000000000000 RSI: 00007ffc102023a0 RDI: 0000000000000005
[   59.697903][  T671] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   59.698345][  T671] R10: 00007f52487d0ee8 R11: 0000000000000246 R12: 0000000000000004
[   59.698788][  T671] R13: 00000000686e6840 R14: 0000000000499600 R15: 0000000000000000
| [   60.932081][  T683] ------------[ cut here ]------------
| [ 60.932434][ T683] WARNING: CPU: 0 PID: 683 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   60.933299][  T683] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   60.934713][  T683] Tainted: [W]=WARN
[   60.934952][  T683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.935346][ T683] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 60.935690][ T683] 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
[   60.936825][  T683] RSP: 0018:ffffc90000a27140 EFLAGS: 00010246
[   60.937244][  T683] RAX: 0000000000000000 RBX: ffff888008121000 RCX: 0000000000000001
[   60.937728][  T683] RDX: 0000000000000000 RSI: ffffffffaa09b939 RDI: ffffffffa98555e0
[   60.938208][  T683] RBP: ffffc90000a27230 R08: ffff888004d2b800 R09: 0000000000000000
[   60.938690][  T683] R10: ffffc90000a275c8 R11: ffffffffaae50668 R12: 1ffff92000144e2c
[   60.939161][  T683] R13: 00000000000005dc R14: ffffc90000a27880 R15: ffff88800e9998e0
[   60.939637][  T683] FS:  00007f39f1ee7800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   60.940194][  T683] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.940598][  T683] CR2: 00000000004e5aa0 CR3: 000000000b96d004 CR4: 0000000000772ef0
[   60.941074][  T683] PKRU: 55555554
[   60.941308][  T683] Call Trace:
[   60.941555][  T683]  <TASK>
[ 60.941717][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.942039][ T683] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.942359][ T683] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.942688][ T683] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 60.943006][ T683] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 60.943322][ T683] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 60.943652][ T683] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 60.943984][ T683] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.944394][ T683] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.944730][ T683] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.945045][ T683] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.945365][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.945694][ T683] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 60.946013][ T683] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.946405][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.946735][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.947056][ T683] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.947394][ T683] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.947724][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.948038][ T683] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.948350][ T683] ? __create_object (mm/kmemleak.c:771) 
[ 60.948676][ T683] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.948994][ T683] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.949313][ T683] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.949727][ T683] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.950055][ T683] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.950375][ T683] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.950700][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.951023][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.951336][ T683] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.951661][ T683] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.951985][ T683] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.952299][ T683] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.952626][ T683] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.952945][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.953264][ T683] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.953588][ T683] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.953904][ T683] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.954239][ T683] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.954563][ T683] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 60.954880][ T683] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 60.955197][ T683] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.955534][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.955856][ T683] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.956173][ T683] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.956510][ T683] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.956835][ T683] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.957159][ T683] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.957490][ T683] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.957896][ T683] ___sys_sendmsg (net/socket.c:2670) 
[ 60.958208][ T683] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.958533][ T683] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 60.958936][ T683] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.959254][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.959598][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.959919][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.960232][ T683] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.960557][ T683] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.960880][ T683] __sys_sendmsg (net/socket.c:2700) 
[ 60.961191][ T683] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.961599][ T683] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.961928][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.962244][ T683] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.962569][ T683] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.962959][  T683] RIP: 0033:0x7f39f20b41e7
[ 60.963283][ T683] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   60.964414][  T683] RSP: 002b:00007ffcf3b8da58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.964900][  T683] RAX: ffffffffffffffda RBX: 00007ffcf3b8e180 RCX: 00007f39f20b41e7
[   60.965371][  T683] RDX: 0000000000000000 RSI: 00007ffcf3b8dac0 RDI: 0000000000000005
[   60.965856][  T683] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   60.966326][  T683] R10: 00007f39f1fb1ee8 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