======================================
| 0
| xx__-> [  248.505125][  T747] ------------[ cut here ]------------
| [ 248.505691][ T747] WARNING: CPU: 3 PID: 747 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) 
| [  248.506457][  T747] Modules linked in: act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
[  248.507594][  T747] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 248.507948][ T747] 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) 
[ 248.508242][ T747] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  248.509243][  T747] RSP: 0018:ffffc9000148f140 EFLAGS: 00010246
[  248.509596][  T747] RAX: 0000000000000000 RBX: ffff888008e71000 RCX: 0000000000000001
[  248.510019][  T747] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  248.510429][  T747] RBP: ffffc9000148f230 R08: ffff88800c44b800 R09: 0000000000000000
[  248.510872][  T747] R10: ffffc9000148f5c8 R11: ffffffffb1e50668 R12: 1ffff92000291e2c
[  248.511285][  T747] R13: 0000000000002710 R14: ffffc9000148f880 R15: ffff888018735fe0
[  248.511697][  T747] FS:  00007f5f2fff4800(0000) GS:ffff888083237000(0000) knlGS:0000000000000000
[  248.512522][  T747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  248.512882][  T747] CR2: 00000000004e5aa0 CR3: 000000000a7f4002 CR4: 0000000000772ef0
[  248.513298][  T747] PKRU: 55555554
[  248.513504][  T747] Call Trace:
[  248.513712][  T747]  <TASK>
[ 248.513864][ T747] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.514149][ T747] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 248.514421][ T747] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.514703][ T747] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 248.514984][ T747] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 248.515260][ T747] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 248.515539][ T747] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 248.515829][ T747] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 248.516175][ T747] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.516449][ T747] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 248.516741][ T747] ? __kernel_text_address (kernel/extable.c:79) 
[ 248.517024][ T747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.517299][ T747] ? __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) 
[ 248.517571][ T747] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 248.517918][ T747] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.518195][ T747] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.518465][ T747] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 248.518748][ T747] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 248.519023][ T747] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.519294][ T747] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 248.519565][ T747] ? __create_object (mm/kmemleak.c:771) 
[ 248.519850][ T747] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 248.520125][ T747] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 248.520397][ T747] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 248.520750][ T747] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 248.521032][ T747] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 248.521309][ T747] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.521582][ T747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.521873][ T747] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.522147][ T747] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 248.522417][ T747] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.522694][ T747] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.522981][ T747] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 248.523258][ T747] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.523535][ T747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.523823][ T747] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 248.524099][ T747] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.524374][ T747] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 248.524660][ T747] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 248.524951][ T747] ? 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) 
[ 248.525230][ T747] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 248.525509][ T747] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 248.525795][ T747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.526073][ T747] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 248.526349][ T747] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 248.526622][ T747] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 248.526915][ T747] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 248.527210][ T747] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 248.527484][ T747] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 248.527849][ T747] ___sys_sendmsg (net/socket.c:2670) 
[ 248.528123][ T747] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 248.528398][ T747] ? __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) 
[ 248.528748][ T747] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 248.529032][ T747] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.529310][ T747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.529590][ T747] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.529874][ T747] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 248.530146][ T747] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.530428][ T747] __sys_sendmsg (net/socket.c:2700) 
[ 248.530700][ T747] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 248.531049][ T747] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 248.531347][ T747] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.531621][ T747] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 248.531906][ T747] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  248.532245][  T747] RIP: 0033:0x7f5f301c11e7
[ 248.532532][ T747] 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)
[  248.533538][  T747] RSP: 002b:00007fffa9b5eea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  248.533969][  T747] RAX: ffffffffffffffda RBX: 00007fffa9b5f5d0 RCX: 00007f5f301c11e7
[  248.534384][  T747] RDX: 0000000000000000 RSI: 00007fffa9b5ef10 RDI: 0000000000000005
[  248.534830][  T747] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  248.535251][  T747] R10: 00007f5f300beee8 R11: 0000000000000246 R12: 0000000000000004
[  248.535670][  T747] R13: 00000000686e39b1 R14: 0000000000499600 R15: 0000000000000000
| [  250.260442][  T773] ------------[ cut here ]------------
| [ 250.261972][ T773] WARNING: CPU: 3 PID: 773 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) 
| [  250.262542][  T773] Modules linked in: sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  250.263760][  T773] Tainted: [W]=WARN
[  250.263979][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 250.264329][ T773] 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) 
[ 250.264616][ T773] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  250.265649][  T773] RSP: 0018:ffffc90000607140 EFLAGS: 00010246
[  250.266008][  T773] RAX: 0000000000000000 RBX: ffff8880078ac000 RCX: 0000000000000001
[  250.266423][  T773] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  250.266847][  T773] RBP: ffffc90000607230 R08: ffff888004dda000 R09: 0000000000000000
[  250.267268][  T773] R10: ffffc900006075c8 R11: ffffffffb1e50668 R12: 1ffff920000c0e2c
[  250.267683][  T773] R13: 0000000000002710 R14: ffffc90000607880 R15: ffff8880170dede0
[  250.268101][  T773] FS:  00007fb277dcd800(0000) GS:ffff888083237000(0000) knlGS:0000000000000000
[  250.268608][  T773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  250.268977][  T773] CR2: 00000000004e5ab0 CR3: 000000000b560002 CR4: 0000000000772ef0
[  250.269407][  T773] PKRU: 55555554
[  250.269631][  T773] Call Trace:
[  250.269860][  T773]  <TASK>
[ 250.270003][ T773] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.270290][ T773] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 250.270563][ T773] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.270856][ T773] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 250.271134][ T773] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 250.271410][ T773] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 250.271700][ T773] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 250.271991][ T773] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 250.272350][ T773] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 250.272631][ T773] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 250.272911][ T773] ? __kernel_text_address (kernel/extable.c:79) 
[ 250.273196][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.273472][ T773] ? __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) 
[ 250.273767][ T773] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 250.274112][ T773] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.274389][ T773] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.274664][ T773] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 250.274949][ T773] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 250.275226][ T773] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.275501][ T773] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 250.275782][ T773] ? __create_object (mm/kmemleak.c:771) 
[ 250.276068][ T773] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 250.276343][ T773] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 250.276618][ T773] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 250.276978][ T773] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 250.277261][ T773] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 250.277542][ T773] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 250.277829][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.278118][ T773] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.278394][ T773] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 250.278668][ T773] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.278952][ T773] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 250.279225][ T773] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 250.279500][ T773] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 250.279790][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.280069][ T773] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 250.280356][ T773] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 250.280637][ T773] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 250.280932][ T773] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 250.281207][ T773] ? 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) 
[ 250.281484][ T773] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 250.281773][ T773] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 250.282046][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.282333][ T773] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 250.282613][ T773] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 250.282897][ T773] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 250.283187][ T773] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 250.283468][ T773] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 250.283754][ T773] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 250.284117][ T773] ___sys_sendmsg (net/socket.c:2670) 
[ 250.284401][ T773] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 250.284682][ T773] ? __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) 
[ 250.285054][ T773] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 250.285331][ T773] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.285610][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 250.285898][ T773] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 250.286171][ T773] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 250.286450][ T773] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.286748][ T773] __sys_sendmsg (net/socket.c:2700) 
[ 250.287030][ T773] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 250.287366][ T773] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 250.287654][ T773] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.287961][ T773] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 250.288236][ T773] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  250.288586][  T773] RIP: 0033:0x7fb277f9a1e7
[ 250.288885][ T773] 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)
[  250.289872][  T773] RSP: 002b:00007ffd4a39f728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  250.290286][  T773] RAX: ffffffffffffffda RBX: 00007ffd4a39fe50 RCX: 00007fb277f9a1e7
[  250.290771][  T773] RDX: 0000000000000000 RSI: 00007ffd4a39f790 RDI: 0000000000000005
[  250.291182][  T773] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  250.291591][  T773] R10: 00007fb277e97ee8 R11: 0000000000000246 R12: 0000000000000004
[  250.292013][  T773] R13: 00000000686e39b3 R14: 0000000000499600 R15: 0000000000000000
| [  251.607244][  T793] ------------[ cut here ]------------
| [ 251.607617][ T793] WARNING: CPU: 2 PID: 793 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) 
| [  251.608212][  T793] Modules linked in: sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  251.609440][  T793] Tainted: [W]=WARN
[  251.609660][  T793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 251.611569][ T793] 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) 
[ 251.611905][ T793] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  251.612903][  T793] RSP: 0018:ffffc90000517140 EFLAGS: 00010246
[  251.613264][  T793] RAX: 0000000000000000 RBX: ffff888012129000 RCX: 0000000000000001
[  251.613693][  T793] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  251.614123][  T793] RBP: ffffc90000517230 R08: ffff88800c425000 R09: 0000000000000000
[  251.614543][  T793] R10: ffffc900005175c8 R11: ffffffffb1e50668 R12: 1ffff920000a2e2c
[  251.614974][  T793] R13: 0000000000002710 R14: ffffc90000517880 R15: ffff8880170de6e0
[  251.615401][  T793] FS:  00007fab7f7bf800(0000) GS:ffff8880831b7000(0000) knlGS:0000000000000000
[  251.615902][  T793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  251.616261][  T793] CR2: 00000000004e5ac8 CR3: 0000000016dba004 CR4: 0000000000772ef0
[  251.616685][  T793] PKRU: 55555554
[  251.616913][  T793] Call Trace:
[  251.617143][  T793]  <TASK>
[ 251.617303][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.617599][ T793] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 251.617892][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 251.618185][ T793] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 251.618472][ T793] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 251.618769][ T793] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 251.619063][ T793] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 251.619363][ T793] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 251.619742][ T793] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 251.620054][ T793] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 251.620344][ T793] ? __kernel_text_address (kernel/extable.c:79) 
[ 251.620634][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.620941][ T793] ? __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) 
[ 251.621230][ T793] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 251.621592][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.621893][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.622181][ T793] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 251.622468][ T793] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 251.622765][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.623055][ T793] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 251.623338][ T793] ? __create_object (mm/kmemleak.c:771) 
[ 251.623637][ T793] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 251.623933][ T793] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 251.624225][ T793] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 251.624578][ T793] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 251.624884][ T793] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 251.625181][ T793] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 251.625471][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.625770][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.626065][ T793] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 251.626350][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 251.626643][ T793] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 251.626959][ T793] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 251.627258][ T793] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 251.627550][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.627855][ T793] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 251.628146][ T793] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 251.628443][ T793] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 251.628749][ T793] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 251.629037][ T793] ? 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) 
[ 251.629324][ T793] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 251.629620][ T793] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 251.629917][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.630222][ T793] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 251.630515][ T793] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 251.630812][ T793] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 251.631108][ T793] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 251.631402][ T793] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 251.631690][ T793] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 251.632062][ T793] ___sys_sendmsg (net/socket.c:2670) 
[ 251.632346][ T793] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 251.632636][ T793] ? __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) 
[ 251.633002][ T793] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 251.633293][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.633583][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.633883][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.634173][ T793] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 251.634458][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 251.634771][ T793] __sys_sendmsg (net/socket.c:2700) 
[ 251.635054][ T793] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 251.635405][ T793] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 251.635703][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.636020][ T793] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 251.636311][ T793] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  251.636663][  T793] RIP: 0033:0x7fab7f98c1e7
[ 251.636989][ T793] 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)
[  251.637987][  T793] RSP: 002b:00007fff93506368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  251.638414][  T793] RAX: ffffffffffffffda RBX: 00007fff93506a90 RCX: 00007fab7f98c1e7
[  251.638855][  T793] RDX: 0000000000000000 RSI: 00007fff935063d0 RDI: 0000000000000005
[  251.639275][  T793] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  251.639697][  T793] R10: 00007fab7f889ee8 R11: 0000000000000246 R12: 0000000000000004
[  251.640131][  T793] R13: 00000000686e39b4 R14: 0000000000499600 R15: 0000000000000000
| [  252.335168][  T805] ------------[ cut here ]------------
| [ 252.335498][ T805] WARNING: CPU: 1 PID: 805 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) 
| [  252.336320][  T805] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  252.338018][  T805] Tainted: [W]=WARN
[  252.338255][  T805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 252.338646][ T805] 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) 
[ 252.339090][ T805] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  252.340180][  T805] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[  252.340567][  T805] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  252.341050][  T805] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  252.341507][  T805] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[  252.341972][  T805] R10: ffffc90000607010 R11: ffffffffb1ea8918 R12: 1ffff920000c0de2
[  252.342425][  T805] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff888016282f08
[  252.342898][  T805] FS:  00007f0313eb4800(0000) GS:ffff888083137000(0000) knlGS:0000000000000000
[  252.343438][  T805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  252.343827][  T805] CR2: 00000000004e5aa8 CR3: 000000000c5d4001 CR4: 0000000000772ef0
[  252.344284][  T805] PKRU: 55555554
[  252.344512][  T805] Call Trace:
[  252.344800][  T805]  <TASK>
[ 252.344981][ T805] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 252.345304][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.345627][ T805] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 252.345962][ T805] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 252.346362][ T805] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 252.346685][ T805] netif_set_mtu (net/core/dev.c:9652) 
[ 252.347059][ T805] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 252.347402][ T805] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 252.347868][ T805] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 252.348115][ T805] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 252.348558][ T805] br_add_if (net/bridge/br_if.c:697) bridge 
[ 252.348945][ T805] do_set_master (net/core/rtnetlink.c:2948) 
[ 252.349279][ T805] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 252.349623][ T805] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 252.350043][ T805] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 252.350365][ T805] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 252.350685][ T805] ? __kernel_text_address (kernel/extable.c:79) 
[ 252.351011][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.351333][ T805] ? __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) 
[ 252.351653][ T805] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 252.352070][ T805] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.352406][ T805] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.352751][ T805] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 252.353083][ T805] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 252.353399][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.353703][ T805] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 252.354021][ T805] ? __create_object (mm/kmemleak.c:771) 
[ 252.354340][ T805] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 252.354660][ T805] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 252.354972][ T805] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 252.355358][ T805] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 252.355670][ T805] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 252.355989][ T805] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.356297][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.356611][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.356952][ T805] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 252.357273][ T805] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.357582][ T805] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.357896][ T805] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 252.358208][ T805] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.358514][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.358835][ T805] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 252.359147][ T805] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.359476][ T805] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 252.359813][ T805] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 252.360135][ T805] ? 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) 
[ 252.360458][ T805] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 252.360798][ T805] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 252.361129][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.361453][ T805] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 252.361782][ T805] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 252.362090][ T805] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 252.362404][ T805] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 252.362712][ T805] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 252.363031][ T805] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 252.363423][ T805] ___sys_sendmsg (net/socket.c:2670) 
[ 252.363736][ T805] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 252.364048][ T805] ? __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) 
[ 252.364428][ T805] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 252.364756][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.365065][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.365374][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.365678][ T805] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 252.365991][ T805] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.366311][ T805] __sys_sendmsg (net/socket.c:2700) 
[ 252.366621][ T805] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 252.367037][ T805] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 252.367369][ T805] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.367690][ T805] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 252.368020][ T805] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  252.368419][  T805] RIP: 0033:0x7f03140811e7
[ 252.368768][ T805] 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)
[  252.369931][  T805] RSP: 002b:00007ffd4e5b2928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  252.370415][  T805] RAX: ffffffffffffffda RBX: 00007ffd4e5b3050 RCX: 00007f03140811e7
[  252.370916][  T805] RDX: 0000000000000000 RSI: 00007ffd4e5b2990 RDI: 0000000000000005
[  252.371398][  T805] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  252.371890][  T805] R10: 000000002a255910 R11: 0000000000000246 R12: 0000000000000005
[  252.372373][  T805] R13: 00000000686e39b5 R14: 0000000000499600 R15: 0000000000000000
| [  252.560974][  T810] ------------[ cut here ]------------
| [ 252.561285][ T810] WARNING: CPU: 0 PID: 810 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) 
| [  252.561895][  T810] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  252.564503][  T810] Tainted: [W]=WARN
[  252.564745][  T810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 252.565123][ T810] 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) 
[ 252.565446][ T810] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  252.566531][  T810] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[  252.566925][  T810] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  252.567403][  T810] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  252.567869][  T810] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[  252.568356][  T810] R10: ffffc900005f7010 R11: ffffffffb1ea8918 R12: 1ffff920000bede2
[  252.568823][  T810] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff888016282f08
[  252.569285][  T810] FS:  00007f0896718800(0000) GS:ffff8880830b7000(0000) knlGS:0000000000000000
[  252.569826][  T810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  252.570209][  T810] CR2: 00000000004e5ab8 CR3: 000000000c5d7004 CR4: 0000000000772ef0
[  252.570666][  T810] PKRU: 55555554
[  252.570907][  T810] Call Trace:
[  252.571135][  T810]  <TASK>
[ 252.571293][ T810] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 252.571605][ T810] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.571925][ T810] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 252.572230][ T810] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 252.572608][ T810] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 252.572921][ T810] netif_set_mtu (net/core/dev.c:9652) 
[ 252.573228][ T810] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 252.573543][ T810] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 252.573990][ T810] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 252.574222][ T810] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 252.574638][ T810] br_add_if (net/bridge/br_if.c:697) bridge 
[ 252.574997][ T810] do_set_master (net/core/rtnetlink.c:2948) 
[ 252.575310][ T810] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 252.575618][ T810] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 252.576021][ T810] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 252.576328][ T810] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 252.576629][ T810] ? __kernel_text_address (kernel/extable.c:79) 
[ 252.576961][ T810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.577269][ T810] ? __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) 
[ 252.577574][ T810] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 252.577977][ T810] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.578294][ T810] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.578599][ T810] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 252.578910][ T810] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 252.579214][ T810] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.579516][ T810] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 252.579822][ T810] ? __create_object (mm/kmemleak.c:771) 
[ 252.580131][ T810] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 252.580433][ T810] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 252.580750][ T810] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 252.581128][ T810] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 252.581438][ T810] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 252.581756][ T810] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.582060][ T810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.582370][ T810] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.582671][ T810] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 252.582982][ T810] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.583296][ T810] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.583598][ T810] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 252.583909][ T810] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.584220][ T810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.584528][ T810] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 252.584842][ T810] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.585146][ T810] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 252.585466][ T810] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 252.585775][ T810] ? 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) 
[ 252.586081][ T810] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 252.586389][ T810] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 252.586690][ T810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.587014][ T810] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 252.587324][ T810] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 252.587634][ T810] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 252.587953][ T810] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 252.588265][ T810] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 252.588567][ T810] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 252.588964][ T810] ___sys_sendmsg (net/socket.c:2670) 
[ 252.589265][ T810] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 252.589565][ T810] ? __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) 
[ 252.589961][ T810] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 252.590268][ T810] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.590573][ T810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.590890][ T810] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.591193][ T810] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 252.591496][ T810] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.591816][ T810] __sys_sendmsg (net/socket.c:2700) 
[ 252.592116][ T810] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 252.592499][ T810] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 252.592821][ T810] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.593125][ T810] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 252.593431][ T810] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  252.593814][  T810] RIP: 0033:0x7f08968e51e7
[ 252.594128][ T810] 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)
[  252.595226][  T810] RSP: 002b:00007ffcabf4ce98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  252.595684][  T810] RAX: ffffffffffffffda RBX: 00007ffcabf4d5c0 RCX: 00007f08968e51e7
[  252.596144][  T810] RDX: 0000000000000000 RSI: 00007ffcabf4cf00 RDI: 0000000000000005
[  252.596610][  T810] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  252.597078][  T810] R10: 0000000034479910 R11: 0000000000000246 R12: 0000000000000005
[  252.597535][  T810] R13: 00000000686e39b5 R14: 0000000000499600 R15: 0000000000000000
| [  252.764367][  T815] ------------[ cut here ]------------
| [ 252.764708][ T815] WARNING: CPU: 2 PID: 815 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) 
| [  252.765950][  T815] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  252.767322][  T815] Tainted: [W]=WARN
[  252.767580][  T815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 252.767981][ T815] 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) 
[ 252.768314][ T815] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  252.769429][  T815] RSP: 0018:ffffc900004e6ef0 EFLAGS: 00010246
[  252.769839][  T815] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  252.770308][  T815] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  252.770785][  T815] RBP: ffffc900004e6fe0 R08: 0000000000000000 R09: 0000000000000000
[  252.771252][  T815] R10: ffffc900004e7010 R11: ffffffffb1ea8918 R12: 1ffff9200009cde2
[  252.771736][  T815] R13: 00000000000005dc R14: ffffc900004e7010 R15: ffff888016282f08
[  252.772213][  T815] FS:  00007f61c9088800(0000) GS:ffff8880831b7000(0000) knlGS:0000000000000000
[  252.772791][  T815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  252.773187][  T815] CR2: 00000000004e5ac0 CR3: 0000000005082003 CR4: 0000000000772ef0
[  252.773659][  T815] PKRU: 55555554
[  252.773911][  T815] Call Trace:
[  252.774152][  T815]  <TASK>
[ 252.774324][ T815] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 252.774643][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.774987][ T815] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 252.775305][ T815] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 252.775700][ T815] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 252.776034][ T815] netif_set_mtu (net/core/dev.c:9652) 
[ 252.776354][ T815] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 252.776680][ T815] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 252.777149][ T815] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 252.777393][ T815] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 252.777836][ T815] br_add_if (net/bridge/br_if.c:697) bridge 
[ 252.778201][ T815] do_set_master (net/core/rtnetlink.c:2948) 
[ 252.778537][ T815] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 252.778869][ T815] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 252.779268][ T815] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 252.779584][ T815] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 252.779911][ T815] ? __kernel_text_address (kernel/extable.c:79) 
[ 252.780233][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.780553][ T815] ? __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) 
[ 252.780884][ T815] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 252.781275][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.781602][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.781928][ T815] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 252.782243][ T815] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 252.782559][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.782886][ T815] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 252.783207][ T815] ? __create_object (mm/kmemleak.c:771) 
[ 252.783531][ T815] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 252.783856][ T815] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 252.784176][ T815] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 252.784559][ T815] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 252.784890][ T815] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 252.785210][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.785527][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.785862][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.786182][ T815] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 252.786497][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.786825][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.787148][ T815] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 252.787465][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.787794][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.788121][ T815] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 252.788450][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.788777][ T815] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 252.789105][ T815] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 252.789421][ T815] ? 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) 
[ 252.789748][ T815] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 252.790071][ T815] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 252.790389][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.790711][ T815] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 252.791040][ T815] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 252.791359][ T815] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 252.791680][ T815] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 252.792015][ T815] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 252.792330][ T815] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 252.792744][ T815] ___sys_sendmsg (net/socket.c:2670) 
[ 252.793067][ T815] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 252.793382][ T815] ? __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) 
[ 252.793786][ T815] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 252.794108][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.794425][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.794757][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.795081][ T815] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 252.795404][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.795735][ T815] __sys_sendmsg (net/socket.c:2700) 
[ 252.796049][ T815] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 252.796439][ T815] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 252.796776][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.797101][ T815] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 252.797420][ T815] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  252.797824][  T815] RIP: 0033:0x7f61c92551e7
[ 252.798153][ T815] 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)
[  252.799259][  T815] RSP: 002b:00007fffaabc68c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  252.799742][  T815] RAX: ffffffffffffffda RBX: 00007fffaabc6ff0 RCX: 00007f61c92551e7
[  252.800224][  T815] RDX: 0000000000000000 RSI: 00007fffaabc6930 RDI: 0000000000000005
[  252.800688][  T815] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  252.801165][  T815] R10: 000000002bc95910 R11: 0000000000000246 R12: 0000000000000005
[  252.801632][  T815] R13: 00000000686e39b5 R14: 0000000000499600 R15: 0000000000000000
| [  253.120943][  T823] ------------[ cut here ]------------
| [ 253.121265][ T823] WARNING: CPU: 0 PID: 823 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) 
| [  253.121827][  T823] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.123058][  T823] Tainted: [W]=WARN
[  253.123266][  T823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.123614][ T823] 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) 
[ 253.123944][ T823] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.124951][  T823] RSP: 0018:ffffc900005d7140 EFLAGS: 00010246
[  253.125304][  T823] RAX: 0000000000000000 RBX: ffff888012091000 RCX: 0000000000000001
[  253.126639][  T823] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  253.127085][  T823] RBP: ffffc900005d7230 R08: ffff888009552000 R09: 0000000000000000
[  253.127501][  T823] R10: ffffc900005d75c8 R11: ffffffffb1e50668 R12: 1ffff920000bae2c
[  253.127964][  T823] R13: 0000000000002710 R14: ffffc900005d7880 R15: ffff88801422a360
[  253.128378][  T823] FS:  00007fd8a4995800(0000) GS:ffff8880830b7000(0000) knlGS:0000000000000000
[  253.128881][  T823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.129242][  T823] CR2: 00000000004e5aa8 CR3: 000000001736b002 CR4: 0000000000772ef0
[  253.129655][  T823] PKRU: 55555554
[  253.129871][  T823] Call Trace:
[  253.130078][  T823]  <TASK>
[ 253.130220][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.130504][ T823] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.130788][ T823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.131078][ T823] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 253.131355][ T823] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 253.131655][ T823] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 253.131956][ T823] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 253.132242][ T823] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.132594][ T823] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.132885][ T823] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.133162][ T823] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.133440][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.133727][ T823] ? __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) 
[ 253.134020][ T823] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.134362][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.134642][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.134928][ T823] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.135215][ T823] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.135492][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.135806][ T823] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.136082][ T823] ? __create_object (mm/kmemleak.c:771) 
[ 253.136363][ T823] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.136665][ T823] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.136965][ T823] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.137325][ T823] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.137609][ T823] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.137901][ T823] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.138183][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.138468][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.138750][ T823] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.139027][ T823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.139307][ T823] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.139592][ T823] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.139882][ T823] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.140164][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.140446][ T823] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.140767][ T823] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.141048][ T823] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.141337][ T823] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.141618][ T823] ? 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) 
[ 253.141905][ T823] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 253.142183][ T823] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.142456][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.142746][ T823] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.143031][ T823] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.143312][ T823] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.143610][ T823] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.143902][ T823] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.144192][ T823] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.144572][ T823] ___sys_sendmsg (net/socket.c:2670) 
[ 253.144963][ T823] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.145261][ T823] ? __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) 
[ 253.145626][ T823] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.145937][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.146233][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.146528][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.146827][ T823] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.147136][ T823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.147436][ T823] __sys_sendmsg (net/socket.c:2700) 
[ 253.147736][ T823] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.148099][ T823] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.148417][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.148713][ T823] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.149017][ T823] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.149379][  T823] RIP: 0033:0x7fd8a4b621e7
[ 253.149680][ T823] 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)
[  253.150727][  T823] RSP: 002b:00007fff2f2516c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.151165][  T823] RAX: ffffffffffffffda RBX: 00007fff2f251df0 RCX: 00007fd8a4b621e7
[  253.151601][  T823] RDX: 0000000000000000 RSI: 00007fff2f251730 RDI: 0000000000000005
[  253.152047][  T823] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  253.152494][  T823] R10: 00007fd8a4a5fee8 R11: 0000000000000246 R12: 0000000000000004
[  253.152940][  T823] R13: 00000000686e39b5 R14: 0000000000499600 R15: 0000000000000000
| [  253.156455][  T823] ------------[ cut here ]------------
| [ 253.156802][ T823] WARNING: CPU: 0 PID: 823 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) 
| [  253.157458][  T823] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.159294][  T823] Tainted: [W]=WARN
[  253.159544][  T823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.159966][ T823] 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) 
[ 253.160302][ T823] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.161476][  T823] RSP: 0018:ffffc900005d6de0 EFLAGS: 00010246
[  253.161897][  T823] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  253.162379][  T823] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  253.162876][  T823] RBP: ffffc900005d6ed0 R08: 0000000000000000 R09: 0000000000000000
[  253.163368][  T823] R10: ffffc900005d6f00 R11: ffff888012091000 R12: 1ffff920000badc0
[  253.163859][  T823] R13: 00000000000005dc R14: ffffc900005d6f00 R15: ffff888016282f08
[  253.164347][  T823] FS:  00007fd8a4995800(0000) GS:ffff8880830b7000(0000) knlGS:0000000000000000
[  253.164928][  T823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.165347][  T823] CR2: 00000000004e5aa8 CR3: 000000001736b002 CR4: 0000000000772ef0
[  253.165840][  T823] PKRU: 55555554
[  253.166090][  T823] Call Trace:
[  253.166329][  T823]  <TASK>
[ 253.166501][ T823] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.166834][ T823] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 253.167175][ T823] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 253.167512][ T823] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 253.167846][ T823] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 253.168171][ T823] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 253.168503][ T823] netif_set_mtu (net/core/dev.c:9652) 
[ 253.168841][ T823] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 253.169174][ T823] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 253.169421][ T823] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 253.169924][ T823] br_device_event (net/bridge/br.c:142) bridge 
[ 253.170271][ T823] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 253.170701][ T823] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 253.171032][ T823] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 253.171340][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.171653][ T823] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.172003][ T823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.172320][ T823] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 253.172640][ T823] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 253.172965][ T823] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 253.173280][ T823] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 253.173591][ T823] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.173993][ T823] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.174322][ T823] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.174642][ T823] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.174966][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.175284][ T823] ? __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) 
[ 253.175596][ T823] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.175990][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.176311][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.176622][ T823] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.176956][ T823] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.177273][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.177586][ T823] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.177902][ T823] ? __create_object (mm/kmemleak.c:771) 
[ 253.178215][ T823] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.178527][ T823] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.178894][ T823] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.179301][ T823] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.179939][ T823] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.180273][ T823] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.180597][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.180938][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.181486][ T823] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.181817][ T823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.182141][ T823] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.182458][ T823] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.182803][ T823] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.183131][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.183463][ T823] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.183795][ T823] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.184347][ T823] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.184694][ T823] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.185032][ T823] ? 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) 
[ 253.185370][ T823] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 253.185934][ T823] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.186259][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.186591][ T823] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.186926][ T823] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.187494][ T823] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.187848][ T823] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.188192][ T823] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.188520][ T823] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.189177][ T823] ___sys_sendmsg (net/socket.c:2670) 
[ 253.189502][ T823] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.189837][ T823] ? __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) 
[ 253.190243][ T823] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.190803][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.191133][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.191461][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.191802][ T823] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.192350][ T823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.192681][ T823] __sys_sendmsg (net/socket.c:2700) 
[ 253.193013][ T823] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.193414][ T823] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.193998][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.194317][ T823] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.194630][ T823] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.195264][  T823] RIP: 0033:0x7fd8a4b621e7
[ 253.195596][ T823] 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)
[  253.196977][  T823] RSP: 002b:00007fff2f2516c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.197477][  T823] RAX: ffffffffffffffda RBX: 00007fff2f251df0 RCX: 00007fd8a4b621e7
[  253.197950][  T823] RDX: 0000000000000000 RSI: 00007fff2f251730 RDI: 0000000000000005
[  253.198645][  T823] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  253.199116][  T823] R10: 00007fd8a4a5fee8 R11: 0000000000000246 R12: 0000000000000004
[  253.199852][  T823] R13: 00000000686e39b5 R14: 0000000000499600 R15: 0000000000000000
| [  253.530107][  T831] ------------[ cut here ]------------
| [ 253.530438][ T831] WARNING: CPU: 1 PID: 831 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) 
| [  253.531038][  T831] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.532282][  T831] Tainted: [W]=WARN
[  253.532503][  T831] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.532885][ T831] 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) 
[ 253.533187][ T831] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.534204][  T831] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[  253.534554][  T831] RAX: 0000000000000000 RBX: ffff8880050e1000 RCX: 0000000000000001
[  253.534984][  T831] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  253.535403][  T831] RBP: ffffc900005a7230 R08: ffff888014060800 R09: 0000000000000000
[  253.535843][  T831] R10: ffffc900005a75c8 R11: ffffffffb1e50668 R12: 1ffff920000b4e2c
[  253.536262][  T831] R13: 0000000000002710 R14: ffffc900005a7880 R15: ffff888018737be0
[  253.536682][  T831] FS:  00007f29e31ce800(0000) GS:ffff888083137000(0000) knlGS:0000000000000000
[  253.537196][  T831] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.537542][  T831] CR2: 00000000004e5ab8 CR3: 0000000016202005 CR4: 0000000000772ef0
[  253.538034][  T831] PKRU: 55555554
[  253.538249][  T831] Call Trace:
[  253.538454][  T831]  <TASK>
[ 253.538594][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.538886][ T831] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.539178][ T831] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.539466][ T831] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 253.539752][ T831] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 253.540036][ T831] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 253.540313][ T831] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 253.540603][ T831] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.541106][ T831] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.541385][ T831] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.541662][ T831] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.542079][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.542368][ T831] ? __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) 
[ 253.542641][ T831] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.543138][ T831] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.543420][ T831] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.543703][ T831] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.544143][ T831] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.544422][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.544698][ T831] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.545137][ T831] ? __create_object (mm/kmemleak.c:771) 
[ 253.545415][ T831] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.545693][ T831] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.546035][ T831] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.546388][ T831] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.546675][ T831] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.547003][ T831] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.547282][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.547568][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.547868][ T831] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.548144][ T831] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.548493][ T831] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.548787][ T831] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.549069][ T831] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.549358][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.549638][ T831] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.549923][ T831] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.550199][ T831] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.550502][ T831] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.550784][ T831] ? 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) 
[ 253.551075][ T831] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 253.551352][ T831] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.551627][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.551926][ T831] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.552211][ T831] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.552493][ T831] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.552797][ T831] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.553078][ T831] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.553346][ T831] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.553706][ T831] ___sys_sendmsg (net/socket.c:2670) 
[ 253.553993][ T831] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.554268][ T831] ? __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) 
[ 253.554612][ T831] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.554907][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.555184][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.555462][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.555753][ T831] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.556028][ T831] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.556323][ T831] __sys_sendmsg (net/socket.c:2700) 
[ 253.556592][ T831] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.556974][ T831] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.557266][ T831] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.557551][ T831] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.557843][ T831] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.558183][  T831] RIP: 0033:0x7f29e339b1e7
[ 253.558474][ T831] 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)
[  253.559481][  T831] RSP: 002b:00007fff18c81638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.559914][  T831] RAX: ffffffffffffffda RBX: 00007fff18c81d60 RCX: 00007f29e339b1e7
[  253.560334][  T831] RDX: 0000000000000000 RSI: 00007fff18c816a0 RDI: 0000000000000005
[  253.560776][  T831] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  253.561198][  T831] R10: 00007f29e3298ee8 R11: 0000000000000246 R12: 0000000000000004
[  253.561616][  T831] R13: 00000000686e39b6 R14: 0000000000499600 R15: 0000000000000000
| [  253.565147][  T831] ------------[ cut here ]------------
| [ 253.565517][ T831] WARNING: CPU: 2 PID: 831 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) 
| [  253.566177][  T831] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.567645][  T831] Tainted: [W]=WARN
[  253.567915][  T831] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.568339][ T831] 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) 
[ 253.568690][ T831] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.569874][  T831] RSP: 0018:ffffc900005a6de0 EFLAGS: 00010246
[  253.570297][  T831] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  253.570807][  T831] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  253.571312][  T831] RBP: ffffc900005a6ed0 R08: 0000000000000000 R09: 0000000000000000
[  253.571812][  T831] R10: ffffc900005a6f00 R11: ffff8880050e1000 R12: 1ffff920000b4dc0
[  253.572299][  T831] R13: 00000000000005dc R14: ffffc900005a6f00 R15: ffff888016282f08
[  253.572805][  T831] FS:  00007f29e31ce800(0000) GS:ffff8880831b7000(0000) knlGS:0000000000000000
[  253.573379][  T831] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.573804][  T831] CR2: 000055853bf1bdec CR3: 0000000016202005 CR4: 0000000000772ef0
[  253.574292][  T831] PKRU: 55555554
[  253.574544][  T831] Call Trace:
[  253.574805][  T831]  <TASK>
[ 253.574991][ T831] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.575339][ T831] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 253.575699][ T831] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 253.576060][ T831] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 253.576404][ T831] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 253.576755][ T831] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 253.577119][ T831] netif_set_mtu (net/core/dev.c:9652) 
[ 253.577461][ T831] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 253.577834][ T831] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 253.578099][ T831] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 253.578582][ T831] br_device_event (net/bridge/br.c:142) bridge 
[ 253.578970][ T831] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 253.579431][ T831] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 253.579793][ T831] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 253.580136][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.580477][ T831] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.580831][ T831] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.581187][ T831] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 253.581534][ T831] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 253.581880][ T831] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 253.582206][ T831] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 253.582533][ T831] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.582954][ T831] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.583285][ T831] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.583609][ T831] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.583968][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.584312][ T831] ? __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) 
[ 253.584647][ T831] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.585066][ T831] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.585417][ T831] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.585771][ T831] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.586097][ T831] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.586425][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.586764][ T831] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.587105][ T831] ? __create_object (mm/kmemleak.c:771) 
[ 253.587429][ T831] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.587781][ T831] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.588118][ T831] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.588736][ T831] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.589370][ T831] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.589992][ T831] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.590344][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.590684][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.591035][ T831] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.591372][ T831] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.591730][ T831] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.592073][ T831] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.592409][ T831] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.592758][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.593097][ T831] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.593436][ T831] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.593782][ T831] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.594135][ T831] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.594479][ T831] ? 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) 
[ 253.594830][ T831] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 253.595171][ T831] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.595504][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.595855][ T831] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.596194][ T831] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.596532][ T831] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.596899][ T831] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.597261][ T831] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.597597][ T831] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.598037][ T831] ___sys_sendmsg (net/socket.c:2670) 
[ 253.598371][ T831] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.598708][ T831] ? __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) 
[ 253.599134][ T831] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.599476][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.599831][ T831] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.600177][ T831] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.600515][ T831] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.600862][ T831] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.601205][ T831] __sys_sendmsg (net/socket.c:2700) 
[ 253.601538][ T831] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.601970][ T831] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.602318][ T831] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.602658][ T831] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.603011][ T831] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.603428][  T831] RIP: 0033:0x7f29e339b1e7
[ 253.603790][ T831] 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)
[  253.604981][  T831] RSP: 002b:00007fff18c81638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.605490][  T831] RAX: ffffffffffffffda RBX: 00007fff18c81d60 RCX: 00007f29e339b1e7
[  253.606001][  T831] RDX: 0000000000000000 RSI: 00007fff18c816a0 RDI: 0000000000000005
[  253.606505][  T831] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  253.607041][  T831] R10: 00007f29e3298ee8 R11: 0000000000000246 R12: 0000000000000004
[  253.607545][  T831] R13: 00000000686e39b6 R14: 0000000000499600 R15: 0000000000000000
| [  253.940884][  T839] ------------[ cut here ]------------
| [ 253.941229][ T839] WARNING: CPU: 0 PID: 839 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) 
| [  253.942233][  T839] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.943503][  T839] Tainted: [W]=WARN
[  253.943725][  T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.944077][ T839] 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) 
[ 253.944365][ T839] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.945366][  T839] RSP: 0018:ffffc90000577140 EFLAGS: 00010246
[  253.945770][  T839] RAX: 0000000000000000 RBX: ffff88801212c000 RCX: 0000000000000001
[  253.946195][  T839] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  253.946605][  T839] RBP: ffffc90000577230 R08: ffff888009a90800 R09: 0000000000000000
[  253.947045][  T839] R10: ffffc900005775c8 R11: ffffffffb1e50668 R12: 1ffff920000aee2c
[  253.947469][  T839] R13: 0000000000002710 R14: ffffc90000577880 R15: ffff8880170dc060
[  253.947912][  T839] FS:  00007f9a82548800(0000) GS:ffff8880830b7000(0000) knlGS:0000000000000000
[  253.948388][  T839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.948746][  T839] CR2: 00000000004e5ac0 CR3: 000000000ba44002 CR4: 0000000000772ef0
[  253.949177][  T839] PKRU: 55555554
[  253.949382][  T839] Call Trace:
[  253.949591][  T839]  <TASK>
[ 253.949778][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.950065][ T839] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.950339][ T839] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.950640][ T839] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 253.950929][ T839] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 253.951203][ T839] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 253.951480][ T839] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 253.951789][ T839] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.952141][ T839] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.952420][ T839] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.952699][ T839] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.953000][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.953279][ T839] ? __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) 
[ 253.953561][ T839] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.953959][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.954243][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.954517][ T839] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.954815][ T839] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.955095][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.955371][ T839] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.955644][ T839] ? __create_object (mm/kmemleak.c:771) 
[ 253.955933][ T839] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.956219][ T839] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.956494][ T839] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.956852][ T839] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.957156][ T839] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.957438][ T839] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.957759][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.958064][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.958367][ T839] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.958655][ T839] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.958956][ T839] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.959247][ T839] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.959548][ T839] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.959851][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.960153][ T839] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.960451][ T839] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.960757][ T839] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.961056][ T839] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.961346][ T839] ? 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) 
[ 253.961664][ T839] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 253.961979][ T839] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.962269][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.962564][ T839] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.962873][ T839] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.963161][ T839] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.963457][ T839] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.963765][ T839] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 253.964054][ T839] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 253.964428][ T839] ___sys_sendmsg (net/socket.c:2670) 
[ 253.964726][ T839] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 253.965025][ T839] ? __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) 
[ 253.965384][ T839] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 253.965712][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.966019][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.966317][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.966604][ T839] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 253.966901][ T839] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.967218][ T839] __sys_sendmsg (net/socket.c:2700) 
[ 253.967502][ T839] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 253.967868][ T839] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 253.968172][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.968462][ T839] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 253.968761][ T839] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  253.969119][  T839] RIP: 0033:0x7f9a827151e7
[ 253.969424][ T839] 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)
[  253.970497][  T839] RSP: 002b:00007ffd35adf348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  253.970942][  T839] RAX: ffffffffffffffda RBX: 00007ffd35adfa70 RCX: 00007f9a827151e7
[  253.971386][  T839] RDX: 0000000000000000 RSI: 00007ffd35adf3b0 RDI: 0000000000000005
[  253.971844][  T839] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  253.972274][  T839] R10: 00007f9a82612ee8 R11: 0000000000000246 R12: 0000000000000004
[  253.972730][  T839] R13: 00000000686e39b6 R14: 0000000000499600 R15: 0000000000000000
| [  253.976268][  T839] ------------[ cut here ]------------
| [ 253.976583][ T839] WARNING: CPU: 0 PID: 839 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) 
| [  253.977223][  T839] Modules linked in: bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  253.978620][  T839] Tainted: [W]=WARN
[  253.978990][  T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.979616][ T839] 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) 
[ 253.980179][ T839] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  253.982163][  T839] RSP: 0018:ffffc90000576de0 EFLAGS: 00010246
[  253.982872][  T839] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  253.983655][  T839] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  253.984501][  T839] RBP: ffffc90000576ed0 R08: 0000000000000000 R09: 0000000000000000
[  253.985346][  T839] R10: ffffc90000576f00 R11: ffff88801212c000 R12: 1ffff920000aedc0
[  253.986187][  T839] R13: 0000000000002710 R14: ffffc90000576f00 R15: ffff888016282f08
[  253.987043][  T839] FS:  00007f9a82548800(0000) GS:ffff8880830b7000(0000) knlGS:0000000000000000
[  253.987831][  T839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.988221][  T839] CR2: 00000000004e5ac0 CR3: 000000000ba44002 CR4: 0000000000772ef0
[  253.988701][  T839] PKRU: 55555554
[  253.988946][  T839] Call Trace:
[  253.989180][  T839]  <TASK>
[ 253.989342][ T839] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.989744][ T839] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 253.990116][ T839] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 253.990427][ T839] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 253.990760][ T839] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 253.991070][ T839] ? fib6_walk (net/ipv6/ip6_fib.c:2216) 
[ 253.991386][ T839] netif_set_mtu (net/core/dev.c:9652) 
[ 253.991705][ T839] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 253.992053][ T839] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 253.992289][ T839] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 253.992749][ T839] br_device_event (net/bridge/br.c:142) bridge 
[ 253.993096][ T839] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 253.993521][ T839] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 253.993861][ T839] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 253.994170][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.994486][ T839] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.995011][ T839] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.995533][ T839] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 253.996058][ T839] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 253.996601][ T839] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 253.997193][ T839] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 253.997775][ T839] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.998491][ T839] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.999060][ T839] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.999616][ T839] ? __kernel_text_address (kernel/extable.c:79) 
[ 254.000181][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.000742][ T839] ? __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) 
[ 254.001296][ T839] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 254.001997][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.002572][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.003138][ T839] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 254.003692][ T839] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 254.004261][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.004829][ T839] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 254.005378][ T839] ? __create_object (mm/kmemleak.c:771) 
[ 254.005945][ T839] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 254.006512][ T839] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 254.007093][ T839] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 254.007793][ T839] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 254.008355][ T839] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 254.008929][ T839] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.009463][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.009987][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.010306][ T839] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 254.010644][ T839] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.011224][ T839] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 254.011594][ T839] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 254.011924][ T839] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.012236][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.012549][ T839] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 254.012886][ T839] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 254.013200][ T839] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 254.013518][ T839] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 254.013873][ T839] ? 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) 
[ 254.014186][ T839] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 254.014498][ T839] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 254.015008][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.015497][ T839] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 254.015846][ T839] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 254.016158][ T839] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 254.016475][ T839] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 254.016819][ T839] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 254.017146][ T839] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 254.017544][ T839] ___sys_sendmsg (net/socket.c:2670) 
[ 254.017897][ T839] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 254.018215][ T839] ? __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) 
[ 254.018620][ T839] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 254.018960][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.019275][ T839] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.019591][ T839] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.019923][ T839] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 254.020233][ T839] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.020549][ T839] __sys_sendmsg (net/socket.c:2700) 
[ 254.020897][ T839] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 254.021286][ T839] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 254.021606][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.021926][ T839] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 254.022238][ T839] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  254.022621][  T839] RIP: 0033:0x7f9a827151e7
[ 254.022949][ T839] 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)
[  254.024060][  T839] RSP: 002b:00007ffd35adf348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  254.024526][  T839] RAX: ffffffffffffffda RBX: 00007ffd35adfa70 RCX: 00007f9a827151e7
[  254.025025][  T839] RDX: 0000000000000000 RSI: 00007ffd35adf3b0 RDI: 0000000000000005
[  254.025491][  T839] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  254.025963][  T839] R10: 00007f9a82612ee8 R11: 0000000000000246 R12: 0000000000000004
[  254.026425][  T839] R13: 00000000686e39b6 R14: 0000000000499600 R15: 0000000000000000
| [  394.877634][ T1417] ------------[ cut here ]------------
| [ 394.878055][ T1417] WARNING: CPU: 3 PID: 1417 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) 
| [  394.878623][ T1417] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  394.880123][ T1417] Tainted: [W]=WARN
[  394.880340][ T1417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 394.880696][ T1417] 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) 
[ 394.881000][ T1417] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  394.882036][ T1417] RSP: 0018:ffffc90000eff140 EFLAGS: 00010246
[  394.882416][ T1417] RAX: 0000000000000000 RBX: ffff888012129000 RCX: 0000000000000001
[  394.882855][ T1417] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  394.883293][ T1417] RBP: ffffc90000eff230 R08: ffff888017d1b800 R09: 0000000000000000
[  394.883744][ T1417] R10: ffffc90000eff5c8 R11: ffffffffb1e50668 R12: 1ffff920001dfe2c
[  394.884191][ T1417] R13: 00000000000005dc R14: ffffc90000eff880 R15: ffff888008f40760
[  394.884623][ T1417] FS:  00007f92ff55b800(0000) GS:ffff888083237000(0000) knlGS:0000000000000000
[  394.885134][ T1417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  394.885507][ T1417] CR2: 00000000004e5ac8 CR3: 000000000b9c3004 CR4: 0000000000772ef0
[  394.885949][ T1417] PKRU: 55555554
[  394.886167][ T1417] Call Trace:
[  394.886382][ T1417]  <TASK>
[ 394.886528][ T1417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.886830][ T1417] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 394.887125][ T1417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 394.887425][ T1417] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 394.887712][ T1417] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 394.888017][ T1417] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 394.888309][ T1417] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 394.888602][ T1417] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 394.888972][ T1417] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 394.889267][ T1417] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 394.889553][ T1417] ? __kernel_text_address (kernel/extable.c:79) 
[ 394.889857][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.890149][ T1417] ? __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) 
[ 394.890437][ T1417] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 394.890803][ T1417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.891094][ T1417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.891384][ T1417] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 394.891673][ T1417] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 394.891970][ T1417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.892256][ T1417] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 394.892540][ T1417] ? __create_object (mm/kmemleak.c:771) 
[ 394.892838][ T1417] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 394.893125][ T1417] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 394.893413][ T1417] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 394.893785][ T1417] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 394.894173][ T1417] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 394.894472][ T1417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 394.894768][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.895085][ T1417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.895373][ T1417] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 394.895658][ T1417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 394.895959][ T1417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 394.896251][ T1417] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 394.896539][ T1417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 394.896865][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.897171][ T1417] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 394.897463][ T1417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 394.897762][ T1417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 394.898060][ T1417] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 394.898352][ T1417] ? 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) 
[ 394.898641][ T1417] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 394.898940][ T1417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 394.899226][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.899520][ T1417] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 394.899837][ T1417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 394.900127][ T1417] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 394.900428][ T1417] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 394.900743][ T1417] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 394.901032][ T1417] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 394.901408][ T1417] ___sys_sendmsg (net/socket.c:2670) 
[ 394.901700][ T1417] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 394.901999][ T1417] ? __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) 
[ 394.902365][ T1417] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 394.902665][ T1417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.902970][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.903274][ T1417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.903570][ T1417] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 394.903868][ T1417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 394.904189][ T1417] __sys_sendmsg (net/socket.c:2700) 
[ 394.904473][ T1417] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 394.904846][ T1417] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 394.905156][ T1417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.905445][ T1417] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 394.905755][ T1417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  394.906122][ T1417] RIP: 0033:0x7f92ff7281e7
[ 394.906460][ T1417] 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)
[  394.907526][ T1417] RSP: 002b:00007fff69db7fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  394.907988][ T1417] RAX: ffffffffffffffda RBX: 00007fff69db86d0 RCX: 00007f92ff7281e7
[  394.908427][ T1417] RDX: 0000000000000000 RSI: 00007fff69db8010 RDI: 0000000000000005
[  394.908867][ T1417] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  394.909304][ T1417] R10: 00007f92ff625ee8 R11: 0000000000000246 R12: 0000000000000004
[  394.909746][ T1417] R13: 00000000686e3a43 R14: 0000000000499600 R15: 0000000000000000
| [  395.038950][ T1419] ------------[ cut here ]------------
| [ 395.039388][ T1419] WARNING: CPU: 2 PID: 1419 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) 
| [  395.039985][ T1419] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  395.041522][ T1419] Tainted: [W]=WARN
[  395.041769][ T1419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 395.042137][ T1419] 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) 
[ 395.042447][ T1419] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  395.043581][ T1419] RSP: 0018:ffffc90000f0f140 EFLAGS: 00010246
[  395.043993][ T1419] RAX: 0000000000000000 RBX: ffff8880078ac000 RCX: 0000000000000001
[  395.044467][ T1419] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  395.044961][ T1419] RBP: ffffc90000f0f230 R08: ffff88800b802000 R09: 0000000000000000
[  395.045416][ T1419] R10: ffffc90000f0f5c8 R11: ffffffffb1e50668 R12: 1ffff920001e1e2c
[  395.045874][ T1419] R13: 00000000000005dc R14: ffffc90000f0f880 R15: ffff888008f43160
[  395.046316][ T1419] FS:  00007f1c780f7800(0000) GS:ffff8880831b7000(0000) knlGS:0000000000000000
[  395.046869][ T1419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  395.047276][ T1419] CR2: 00000000004e5ab0 CR3: 0000000005e0b002 CR4: 0000000000772ef0
[  395.047732][ T1419] PKRU: 55555554
[  395.047962][ T1419] Call Trace:
[  395.048189][ T1419]  <TASK>
[ 395.048350][ T1419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.048653][ T1419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 395.048986][ T1419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.049334][ T1419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 395.049635][ T1419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 395.049961][ T1419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 395.050267][ T1419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 395.050586][ T1419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 395.050976][ T1419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 395.051289][ T1419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 395.051588][ T1419] ? __kernel_text_address (kernel/extable.c:79) 
[ 395.051919][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.052223][ T1419] ? __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) 
[ 395.052524][ T1419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 395.052910][ T1419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.053223][ T1419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.053536][ T1419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 395.053857][ T1419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 395.054167][ T1419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.054470][ T1419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 395.054781][ T1419] ? __create_object (mm/kmemleak.c:771) 
[ 395.055086][ T1419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 395.055397][ T1419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 395.055695][ T1419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 395.056083][ T1419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 395.056404][ T1419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 395.056708][ T1419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.057030][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.057370][ T1419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.057671][ T1419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 395.057995][ T1419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.058308][ T1419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.058614][ T1419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 395.058943][ T1419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.059255][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.059560][ T1419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 395.059886][ T1419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.060189][ T1419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 395.060520][ T1419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 395.060838][ T1419] ? 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) 
[ 395.061138][ T1419] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.061456][ T1419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 395.061783][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.062089][ T1419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.062391][ T1419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 395.062705][ T1419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 395.063051][ T1419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.063356][ T1419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 395.063655][ T1419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 395.064045][ T1419] ___sys_sendmsg (net/socket.c:2670) 
[ 395.064344][ T1419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 395.064641][ T1419] ? __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) 
[ 395.065024][ T1419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 395.065335][ T1419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.065642][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.065960][ T1419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.066274][ T1419] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 395.066571][ T1419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.066891][ T1419] __sys_sendmsg (net/socket.c:2700) 
[ 395.067217][ T1419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 395.067586][ T1419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 395.067915][ T1419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.068219][ T1419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.068519][ T1419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  395.068899][ T1419] RIP: 0033:0x7f1c782c41e7
[ 395.069207][ T1419] 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)
[  395.070255][ T1419] RSP: 002b:00007fff9c13e938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  395.070705][ T1419] RAX: ffffffffffffffda RBX: 00007fff9c13f060 RCX: 00007f1c782c41e7
[  395.071260][ T1419] RDX: 0000000000000000 RSI: 00007fff9c13e9a0 RDI: 0000000000000005
[  395.071708][ T1419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  395.072454][ T1419] R10: 00007f1c781c1ee8 R11: 0000000000000246 R12: 0000000000000004
[  395.072911][ T1419] R13: 00000000686e3a43 R14: 0000000000499600 R15: 0000000000000000
| [  395.210975][ T1421] ------------[ cut here ]------------
| [ 395.211297][ T1421] WARNING: CPU: 1 PID: 1421 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) 
| [  395.213093][ T1421] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  395.214535][ T1421] Tainted: [W]=WARN
[  395.214764][ T1421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 395.215111][ T1421] 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) 
[ 395.215398][ T1421] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  395.216392][ T1421] RSP: 0018:ffffc90000f2f140 EFLAGS: 00010246
[  395.216753][ T1421] RAX: 0000000000000000 RBX: ffff888008e71000 RCX: 0000000000000001
[  395.217176][ T1421] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  395.217594][ T1421] RBP: ffffc90000f2f230 R08: ffff88800927a000 R09: 0000000000000000
[  395.218013][ T1421] R10: ffffc90000f2f5c8 R11: ffffffffb1e50668 R12: 1ffff920001e5e2c
[  395.218428][ T1421] R13: 00000000000005dc R14: ffffc90000f2f880 R15: ffff888008f42360
[  395.218863][ T1421] FS:  00007f16f85d0800(0000) GS:ffff888083137000(0000) knlGS:0000000000000000
[  395.219358][ T1421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  395.219710][ T1421] CR2: 00000000004e5aa0 CR3: 000000001754f006 CR4: 0000000000772ef0
[  395.220138][ T1421] PKRU: 55555554
[  395.220346][ T1421] Call Trace:
[  395.220555][ T1421]  <TASK>
[ 395.220697][ T1421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.220990][ T1421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 395.221289][ T1421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.221588][ T1421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 395.221878][ T1421] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 395.222157][ T1421] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 395.222436][ T1421] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 395.222745][ T1421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 395.223097][ T1421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 395.223381][ T1421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 395.223657][ T1421] ? __kernel_text_address (kernel/extable.c:79) 
[ 395.223943][ T1421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.224225][ T1421] ? __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) 
[ 395.224502][ T1421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 395.224857][ T1421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.225137][ T1421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.225422][ T1421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 395.225698][ T1421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 395.225987][ T1421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.226264][ T1421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 395.226538][ T1421] ? __create_object (mm/kmemleak.c:771) 
[ 395.226838][ T1421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 395.227128][ T1421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 395.227407][ T1421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 395.227771][ T1421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 395.228059][ T1421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 395.228343][ T1421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.228621][ T1421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.228915][ T1421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.229193][ T1421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 395.229468][ T1421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.229753][ T1421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.230037][ T1421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 395.230315][ T1421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.230596][ T1421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.230894][ T1421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 395.231174][ T1421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.231453][ T1421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 395.231768][ T1421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 395.232051][ T1421] ? 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) 
[ 395.232330][ T1421] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.232609][ T1421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 395.232894][ T1421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.233177][ T1421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.233454][ T1421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 395.233741][ T1421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 395.234032][ T1421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.234321][ T1421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 395.234594][ T1421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 395.234969][ T1421] ___sys_sendmsg (net/socket.c:2670) 
[ 395.235244][ T1421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 395.235520][ T1421] ? __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) 
[ 395.235872][ T1421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 395.236162][ T1421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.236442][ T1421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.236736][ T1421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.237021][ T1421] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 395.237308][ T1421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.237592][ T1421] __sys_sendmsg (net/socket.c:2700) 
[ 395.237878][ T1421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 395.238227][ T1421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 395.238516][ T1421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.238816][ T1421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.239100][ T1421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  395.239449][ T1421] RIP: 0033:0x7f16f879d1e7
[ 395.239748][ T1421] 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)
[  395.240754][ T1421] RSP: 002b:00007fff3380cfc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  395.241174][ T1421] RAX: ffffffffffffffda RBX: 00007fff3380d6f0 RCX: 00007f16f879d1e7
[  395.241589][ T1421] RDX: 0000000000000000 RSI: 00007fff3380d030 RDI: 0000000000000005
[  395.242010][ T1421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  395.242436][ T1421] R10: 00007f16f869aee8 R11: 0000000000000246 R12: 0000000000000004
[  395.242871][ T1421] R13: 00000000686e3a43 R14: 0000000000499600 R15: 0000000000000000
| [  395.401756][ T1423] ------------[ cut here ]------------
| [ 395.402166][ T1423] WARNING: CPU: 0 PID: 1423 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) 
| [  395.402919][ T1423] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  395.405013][ T1423] Tainted: [W]=WARN
[  395.405257][ T1423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 395.405671][ T1423] 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) 
[ 395.406016][ T1423] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  395.407283][ T1423] RSP: 0018:ffffc90000f4ef70 EFLAGS: 00010246
[  395.407824][ T1423] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  395.408392][ T1423] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  395.408982][ T1423] RBP: ffffc90000f4f058 R08: 0000000000000000 R09: 0000000000000000
[  395.409557][ T1423] R10: ffffc90000f4f088 R11: ffffffffad400130 R12: 1ffff920001e9df2
[  395.410133][ T1423] R13: 0000000000002710 R14: ffffc90000f4f088 R15: ffff888016282f08
[  395.410675][ T1423] FS:  00007f3021eaa800(0000) GS:ffff8880830b7000(0000) knlGS:0000000000000000
[  395.411326][ T1423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  395.411781][ T1423] CR2: 00000000004e5ac0 CR3: 0000000005fd0003 CR4: 0000000000772ef0
[  395.412270][ T1423] PKRU: 55555554
[  395.412587][ T1423] Call Trace:
[  395.413014][ T1423]  <TASK>
[ 395.413288][ T1423] ? __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) 
[ 395.413763][ T1423] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 395.414135][ T1423] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.414465][ T1423] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.414872][ T1423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 395.415280][ T1423] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.415675][ T1423] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.416069][ T1423] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.416507][ T1423] ? ___sys_sendmsg (net/socket.c:2670) 
[ 395.416838][ T1423] ? __sys_sendmsg (net/socket.c:2700) 
[ 395.417162][ T1423] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.417496][ T1423] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 395.417922][ T1423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.418250][ T1423] netif_set_mtu (net/core/dev.c:9652) 
[ 395.418583][ T1423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 395.418926][ T1423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 395.419168][ T1423] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 395.419628][ T1423] br_del_if (net/bridge/br_if.c:743) bridge 
[ 395.420007][ T1423] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 395.420334][ T1423] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.420858][ T1423] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.421313][ T1423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 395.421742][ T1423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 395.422062][ T1423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 395.422380][ T1423] ? __kernel_text_address (kernel/extable.c:79) 
[ 395.422711][ T1423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.423141][ T1423] ? __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) 
[ 395.423478][ T1423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 395.423899][ T1423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.424224][ T1423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.424548][ T1423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 395.424875][ T1423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 395.425196][ T1423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.425529][ T1423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 395.425865][ T1423] ? __create_object (mm/kmemleak.c:771) 
[ 395.426188][ T1423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 395.426577][ T1423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 395.426999][ T1423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 395.427485][ T1423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 395.427840][ T1423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 395.428256][ T1423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.428690][ T1423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.429155][ T1423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.429490][ T1423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 395.429914][ T1423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.430237][ T1423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.430650][ T1423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 395.430984][ T1423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.431305][ T1423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.431656][ T1423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 395.432002][ T1423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.432329][ T1423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 395.432672][ T1423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 395.433003][ T1423] ? 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) 
[ 395.433324][ T1423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.433660][ T1423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 395.433995][ T1423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.434318][ T1423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.434651][ T1423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 395.434979][ T1423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 395.435308][ T1423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.435641][ T1423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 395.435980][ T1423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 395.436491][ T1423] ___sys_sendmsg (net/socket.c:2670) 
[ 395.437037][ T1423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 395.437449][ T1423] ? __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) 
[ 395.437960][ T1423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 395.438406][ T1423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.438952][ T1423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.439519][ T1423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.439976][ T1423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 395.440306][ T1423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.440642][ T1423] __sys_sendmsg (net/socket.c:2700) 
[ 395.440973][ T1423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 395.441370][ T1423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 395.441759][ T1423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.442088][ T1423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.442406][ T1423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  395.442965][ T1423] RIP: 0033:0x7f30220771e7
[ 395.443297][ T1423] 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)
[  395.444538][ T1423] RSP: 002b:00007ffd4b830928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  395.445104][ T1423] RAX: ffffffffffffffda RBX: 00007ffd4b831050 RCX: 00007f30220771e7
[  395.445627][ T1423] RDX: 0000000000000000 RSI: 00007ffd4b830990 RDI: 0000000000000005
[  395.446117][ T1423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  395.446748][ T1423] R10: 00007f3021f74ee8 R11: 0000000000000246 R12: 0000000000000004
[  395.447381][ T1423] R13: 00000000686e3a44 R14: 0000000000499600 R15: 0000000000000000
| [  395.590822][ T1425] ------------[ cut here ]------------
| [ 395.591142][ T1425] WARNING: CPU: 3 PID: 1425 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) 
| [  395.592563][ T1425] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  395.594209][ T1425] Tainted: [W]=WARN
[  395.594440][ T1425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 395.594831][ T1425] 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) 
[ 395.595151][ T1425] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  395.596275][ T1425] RSP: 0018:ffffc90000f5ef70 EFLAGS: 00010246
[  395.596663][ T1425] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  395.597141][ T1425] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  395.597620][ T1425] RBP: ffffc90000f5f058 R08: 0000000000000000 R09: 0000000000000000
[  395.598100][ T1425] R10: ffffc90000f5f088 R11: ffffffffb1579160 R12: 1ffff920001ebdf2
[  395.598554][ T1425] R13: 0000000000002710 R14: ffffc90000f5f088 R15: ffff888016282f08
[  395.599022][ T1425] FS:  00007f320ecf3800(0000) GS:ffff888083237000(0000) knlGS:0000000000000000
[  395.599598][ T1425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  395.600017][ T1425] CR2: 00000000004e5ab8 CR3: 000000000baba004 CR4: 0000000000772ef0
[  395.600495][ T1425] PKRU: 55555554
[  395.600743][ T1425] Call Trace:
[  395.600970][ T1425]  <TASK>
[ 395.601122][ T1425] ? __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) 
[ 395.601501][ T1425] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 395.601872][ T1425] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.602177][ T1425] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.602480][ T1425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 395.602793][ T1425] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.603096][ T1425] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.603395][ T1425] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.603700][ T1425] ? ___sys_sendmsg (net/socket.c:2670) 
[ 395.604019][ T1425] ? __sys_sendmsg (net/socket.c:2700) 
[ 395.604329][ T1425] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.604632][ T1425] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 395.605019][ T1425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.605330][ T1425] netif_set_mtu (net/core/dev.c:9652) 
[ 395.605637][ T1425] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 395.605971][ T1425] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 395.606203][ T1425] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 395.606622][ T1425] br_del_if (net/bridge/br_if.c:743) bridge 
[ 395.606971][ T1425] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 395.607297][ T1425] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.607604][ T1425] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.607925][ T1425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 395.608308][ T1425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 395.608611][ T1425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 395.608933][ T1425] ? __kernel_text_address (kernel/extable.c:79) 
[ 395.609240][ T1425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.609546][ T1425] ? __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) 
[ 395.609862][ T1425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 395.610239][ T1425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.610542][ T1425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.610853][ T1425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 395.611161][ T1425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 395.611466][ T1425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.611781][ T1425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 395.612081][ T1425] ? __create_object (mm/kmemleak.c:771) 
[ 395.612383][ T1425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 395.612691][ T1425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 395.613057][ T1425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 395.613436][ T1425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 395.613761][ T1425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 395.614072][ T1425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.614377][ T1425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.614685][ T1425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.615002][ T1425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 395.615303][ T1425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.615607][ T1425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.615917][ T1425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 395.616239][ T1425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.616546][ T1425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.616861][ T1425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 395.617172][ T1425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.617477][ T1425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 395.617808][ T1425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 395.618110][ T1425] ? 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) 
[ 395.618438][ T1425] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.618759][ T1425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 395.619075][ T1425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.619398][ T1425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.619707][ T1425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 395.620024][ T1425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 395.620334][ T1425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.620660][ T1425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 395.620997][ T1425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 395.621402][ T1425] ___sys_sendmsg (net/socket.c:2670) 
[ 395.621711][ T1425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 395.622036][ T1425] ? __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) 
[ 395.622435][ T1425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 395.622757][ T1425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.623080][ T1425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.623416][ T1425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.623742][ T1425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 395.624047][ T1425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.624358][ T1425] __sys_sendmsg (net/socket.c:2700) 
[ 395.624657][ T1425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 395.625051][ T1425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 395.625382][ T1425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.625748][ T1425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.626085][ T1425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  395.626470][ T1425] RIP: 0033:0x7f320eec01e7
[ 395.626804][ T1425] 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)
[  395.627939][ T1425] RSP: 002b:00007ffee87b4da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  395.628412][ T1425] RAX: ffffffffffffffda RBX: 00007ffee87b54d0 RCX: 00007f320eec01e7
[  395.628883][ T1425] RDX: 0000000000000000 RSI: 00007ffee87b4e10 RDI: 0000000000000005
[  395.629353][ T1425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  395.629834][ T1425] R10: 00007f320edbdee8 R11: 0000000000000246 R12: 0000000000000004
[  395.630310][ T1425] R13: 00000000686e3a44 R14: 0000000000499600 R15: 0000000000000000
| [  395.813438][ T1427] ------------[ cut here ]------------
| [ 395.814116][ T1427] WARNING: CPU: 0 PID: 1427 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) 
| [  395.815210][ T1427] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  395.818062][ T1427] Tainted: [W]=WARN
[  395.818476][ T1427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 395.819196][ T1427] 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) 
[ 395.819807][ T1427] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  395.821774][ T1427] RSP: 0018:ffffc90000b66f70 EFLAGS: 00010246
[  395.822490][ T1427] RAX: 0000000000000000 RBX: ffff888016282000 RCX: 0000000000000001
[  395.823332][ T1427] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  395.824151][ T1427] RBP: ffffc90000b67058 R08: 0000000000000000 R09: 0000000000000000
[  395.824992][ T1427] R10: ffffc90000b67088 R11: ffffffffb1579160 R12: 1ffff9200016cdf2
[  395.825868][ T1427] R13: 00000000000005dc R14: ffffc90000b67088 R15: ffff888016282f08
[  395.826692][ T1427] FS:  00007f6a9a4c4800(0000) GS:ffff8880830b7000(0000) knlGS:0000000000000000
[  395.827663][ T1427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  395.828362][ T1427] CR2: 00000000004e5aa8 CR3: 00000000060e2005 CR4: 0000000000772ef0
[  395.829177][ T1427] PKRU: 55555554
[  395.829600][ T1427] Call Trace:
[  395.830038][ T1427]  <TASK>
[ 395.830306][ T1427] ? __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) 
[ 395.830978][ T1427] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 395.831598][ T1427] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.832184][ T1427] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.832767][ T1427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 395.833328][ T1427] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.833913][ T1427] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.834452][ T1427] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.834992][ T1427] ? ___sys_sendmsg (net/socket.c:2670) 
[ 395.835527][ T1427] ? __sys_sendmsg (net/socket.c:2700) 
[ 395.836085][ T1427] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.836636][ T1427] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 395.837328][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.837936][ T1427] netif_set_mtu (net/core/dev.c:9652) 
[ 395.838508][ T1427] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 395.839123][ T1427] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 395.839544][ T1427] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 395.840323][ T1427] br_del_if (net/bridge/br_if.c:743) bridge 
[ 395.840947][ T1427] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 395.841495][ T1427] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 395.842082][ T1427] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 395.842673][ T1427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 395.843384][ T1427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 395.843942][ T1427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 395.844581][ T1427] ? __kernel_text_address (kernel/extable.c:79) 
[ 395.845148][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.845694][ T1427] ? __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) 
[ 395.846276][ T1427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 395.846988][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.847568][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.848145][ T1427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 395.848757][ T1427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 395.849312][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.849888][ T1427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 395.850420][ T1427] ? __create_object (mm/kmemleak.c:771) 
[ 395.850977][ T1427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 395.851546][ T1427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 395.852090][ T1427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 395.852784][ T1427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 395.853340][ T1427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 395.853929][ T1427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.854470][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.855043][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.855603][ T1427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 395.856179][ T1427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.856751][ T1427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 395.857254][ T1427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 395.857825][ T1427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.858405][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.858989][ T1427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 395.859555][ T1427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 395.860107][ T1427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 395.860678][ T1427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 395.861246][ T1427] ? 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) 
[ 395.861820][ T1427] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 395.862392][ T1427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 395.862977][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.863551][ T1427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 395.864142][ T1427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 395.864598][ T1427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 395.865101][ T1427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 395.865644][ T1427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 395.866212][ T1427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 395.866929][ T1427] ___sys_sendmsg (net/socket.c:2670) 
[ 395.867489][ T1427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 395.868064][ T1427] ? __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) 
[ 395.868768][ T1427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 395.869315][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.869905][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 395.870447][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 395.871000][ T1427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 395.871526][ T1427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 395.872117][ T1427] __sys_sendmsg (net/socket.c:2700) 
[ 395.872635][ T1427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 395.873336][ T1427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 395.873944][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 395.874490][ T1427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 395.875055][ T1427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  395.875750][ T1427] RIP: 0033:0x7f6a9a6911e7
[ 395.876295][ T1427] 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)
[  395.878257][ T1427] RSP: 002b:00007ffd43e31728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  395.879082][ T1427] RAX: ffffffffffffffda RBX: 00007ffd43e31e50 RCX: 00007f6a9a6911e7
[  395.879924][ T1427] RDX: 0000000000000000 RSI: 00007ffd43e31790 RDI: 0000000000000005
[  395.880771][ T1427] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  395.881563][ T1427] R10: 00007f6a9a58eee8 R11: 0000000000000246 R12: 0000000000000004
[  395.882438][ T1427] R13: 00000000686e3a44 R14: 0000000000499600 R15: 0000000000000000
| [  396.212252][ T1431] ------------[ cut here ]------------
| [ 396.212595][ T1431] WARNING: CPU: 3 PID: 1431 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) 
| [  396.213519][ T1431] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  396.215107][ T1431] Tainted: [W]=WARN
[  396.215333][ T1431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 396.215777][ T1431] 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) 
[ 396.216072][ T1431] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  396.217130][ T1431] RSP: 0018:ffffc90000bd7140 EFLAGS: 00010246
[  396.217491][ T1431] RAX: 0000000000000000 RBX: ffff888012129000 RCX: 0000000000000001
[  396.218077][ T1431] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  396.218491][ T1431] RBP: ffffc90000bd7230 R08: ffff888009510800 R09: 0000000000000000
[  396.218946][ T1431] R10: ffffc90000bd75c8 R11: ffffffffb1e50668 R12: 1ffff9200017ae2c
[  396.219374][ T1431] R13: 00000000000005dc R14: ffffc90000bd7880 R15: ffff88801434b160
[  396.219934][ T1431] FS:  00007f42d0020800(0000) GS:ffff888083237000(0000) knlGS:0000000000000000
[  396.220543][ T1431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  396.221208][ T1431] CR2: 00000000004e5ac8 CR3: 000000000bd89001 CR4: 0000000000772ef0
[  396.222026][ T1431] PKRU: 55555554
[  396.222396][ T1431] Call Trace:
[  396.222832][ T1431]  <TASK>
[ 396.223056][ T1431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.223347][ T1431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 396.223624][ T1431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 396.223931][ T1431] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 396.224277][ T1431] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 396.224606][ T1431] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 396.224951][ T1431] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 396.225239][ T1431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 396.225590][ T1431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 396.225899][ T1431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 396.226186][ T1431] ? __kernel_text_address (kernel/extable.c:79) 
[ 396.226464][ T1431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.226769][ T1431] ? __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) 
[ 396.227046][ T1431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 396.227408][ T1431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.227727][ T1431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.228014][ T1431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 396.228295][ T1431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 396.228576][ T1431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.228924][ T1431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 396.229198][ T1431] ? __create_object (mm/kmemleak.c:771) 
[ 396.229478][ T1431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 396.229782][ T1431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 396.230059][ T1431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 396.230399][ T1431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 396.230741][ T1431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 396.231085][ T1431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 396.231412][ T1431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.231790][ T1431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.232130][ T1431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 396.232464][ T1431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 396.232974][ T1431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 396.233384][ T1431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 396.233756][ T1431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 396.234130][ T1431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.234545][ T1431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 396.235028][ T1431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 396.235519][ T1431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 396.236042][ T1431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 396.236528][ T1431] ? 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) 
[ 396.237050][ T1431] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 396.237549][ T1431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 396.238051][ T1431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.238401][ T1431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 396.238699][ T1431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 396.239080][ T1431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 396.239368][ T1431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 396.239677][ T1431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 396.239980][ T1431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 396.240477][ T1431] ___sys_sendmsg (net/socket.c:2670) 
[ 396.240870][ T1431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 396.241152][ T1431] ? __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) 
[ 396.241598][ T1431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 396.241993][ T1431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.242290][ T1431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.242677][ T1431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.242972][ T1431] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 396.243249][ T1431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 396.243533][ T1431] __sys_sendmsg (net/socket.c:2700) 
[ 396.243930][ T1431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 396.244338][ T1431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 396.244743][ T1431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.245095][ T1431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 396.245375][ T1431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  396.245802][ T1431] RIP: 0033:0x7f42d01ed1e7
[ 396.246089][ T1431] 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)
[  396.247150][ T1431] RSP: 002b:00007ffec336acd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  396.247617][ T1431] RAX: ffffffffffffffda RBX: 00007ffec336b400 RCX: 00007f42d01ed1e7
[  396.248081][ T1431] RDX: 0000000000000000 RSI: 00007ffec336ad40 RDI: 0000000000000005
[  396.248501][ T1431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  396.249172][ T1431] R10: 00007f42d00eaee8 R11: 0000000000000246 R12: 0000000000000004
[  396.249669][ T1431] R13: 00000000686e3a44 R14: 0000000000499600 R15: 0000000000000000
| [  397.204732][ T1440] ------------[ cut here ]------------
| [ 397.205084][ T1440] WARNING: CPU: 0 PID: 1440 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) 
| [  397.205749][ T1440] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  397.207309][ T1440] Tainted: [W]=WARN
[  397.207533][ T1440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 397.207920][ T1440] 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) 
[ 397.208226][ T1440] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  397.209301][ T1440] RSP: 0018:ffffc90000fdf140 EFLAGS: 00010246
[  397.209669][ T1440] RAX: 0000000000000000 RBX: ffff8880078ac000 RCX: 0000000000000001
[  397.210129][ T1440] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  397.210561][ T1440] RBP: ffffc90000fdf230 R08: ffff888004dda000 R09: 0000000000000000
[  397.211030][ T1440] R10: ffffc90000fdf5c8 R11: ffffffffb1e50668 R12: 1ffff920001fbe2c
[  397.211465][ T1440] R13: 00000000000005dc R14: ffffc90000fdf880 R15: ffff888018d55c60
[  397.211945][ T1440] FS:  00007f4ca0a1c800(0000) GS:ffff8880830b7000(0000) knlGS:0000000000000000
[  397.212453][ T1440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  397.212852][ T1440] CR2: 00000000004e5ab0 CR3: 0000000018950001 CR4: 0000000000772ef0
[  397.213293][ T1440] PKRU: 55555554
[  397.213512][ T1440] Call Trace:
[  397.213748][ T1440]  <TASK>
[ 397.213910][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 397.214210][ T1440] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 397.214500][ T1440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 397.214803][ T1440] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 397.215114][ T1440] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 397.215406][ T1440] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 397.215699][ T1440] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 397.216044][ T1440] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 397.216411][ T1440] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 397.216698][ T1440] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 397.217197][ T1440] ? __kernel_text_address (kernel/extable.c:79) 
[ 397.217496][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 397.217985][ T1440] ? __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) 
[ 397.218284][ T1440] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 397.218641][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 397.219138][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 397.219432][ T1440] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 397.219925][ T1440] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 397.220239][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 397.220530][ T1440] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 397.220868][ T1440] ? __create_object (mm/kmemleak.c:771) 
[ 397.221180][ T1440] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 397.221471][ T1440] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 397.221777][ T1440] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 397.222149][ T1440] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 397.222453][ T1440] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 397.222778][ T1440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 397.223080][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 397.223377][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 397.223668][ T1440] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 397.223980][ T1440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 397.224306][ T1440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 397.224599][ T1440] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 397.224914][ T1440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 397.225223][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 397.225521][ T1440] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 397.225829][ T1440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 397.226121][ T1440] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 397.226432][ T1440] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 397.226737][ T1440] ? 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) 
[ 397.227039][ T1440] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 397.227363][ T1440] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 397.227653][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 397.227982][ T1440] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 397.228309][ T1440] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 397.228603][ T1440] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 397.228913][ T1440] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 397.229215][ T1440] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 397.229518][ T1440] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 397.229902][ T1440] ___sys_sendmsg (net/socket.c:2670) 
[ 397.230193][ T1440] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 397.230520][ T1440] ? __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) 
[ 397.230895][ T1440] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 397.231189][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 397.231510][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 397.231836][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 397.232130][ T1440] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 397.232430][ T1440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 397.232746][ T1440] __sys_sendmsg (net/socket.c:2700) 
[ 397.233037][ T1440] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 397.233404][ T1440] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 397.233712][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 397.234021][ T1440] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 397.234315][ T1440] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  397.234684][ T1440] RIP: 0033:0x7f4ca0be91e7
[ 397.235002][ T1440] 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)
[  397.236078][ T1440] RSP: 002b:00007ffea33f1e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  397.236550][ T1440] RAX: ffffffffffffffda RBX: 00007ffea33f25c0 RCX: 00007f4ca0be91e7
[  397.237000][ T1440] RDX: 0000000000000000 RSI: 00007ffea33f1f00 RDI: 0000000000000005
[  397.237447][ T1440] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  397.237912][ T1440] R10: 00007f4ca0ae6ee8 R11: 0000000000000246 R12: 0000000000000004
[  397.238345][ T1440] R13: 00000000686e3a45 R14: 0000000000499600 R15: 0000000000000000
| [  398.453410][ T1451] ------------[ cut here ]------------
| [ 398.454535][ T1451] WARNING: CPU: 2 PID: 1451 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) 
| [  398.455146][ T1451] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [  398.456648][ T1451] Tainted: [W]=WARN
[  398.456889][ T1451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 398.457274][ T1451] 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) 
[ 398.457586][ T1451] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  398.458654][ T1451] RSP: 0018:ffffc90000847140 EFLAGS: 00010246
[  398.459055][ T1451] RAX: 0000000000000000 RBX: ffff888008e71000 RCX: 0000000000000001
[  398.459485][ T1451] RDX: 0000000000000000 RSI: ffffffffb109b941 RDI: ffffffffb08555e0
[  398.459920][ T1451] RBP: ffffc90000847230 R08: ffff8880142de800 R09: 0000000000000000
[  398.460359][ T1451] R10: ffffc900008475c8 R11: ffffffffb1e50668 R12: 1ffff92000108e2c
[  398.460802][ T1451] R13: 00000000000005dc R14: ffffc90000847880 R15: ffff8880143483e0
[  398.461240][ T1451] FS:  00007fe1d744f800(0000) GS:ffff8880831b7000(0000) knlGS:0000000000000000
[  398.461787][ T1451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  398.462170][ T1451] CR2: 00000000004e5aa0 CR3: 000000000be6a004 CR4: 0000000000772ef0
[  398.462643][ T1451] PKRU: 55555554
[  398.462893][ T1451] Call Trace:
[  398.463122][ T1451]  <TASK>
[ 398.463279][ T1451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.463586][ T1451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 398.463913][ T1451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.464218][ T1451] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 398.464519][ T1451] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 398.464853][ T1451] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 398.465163][ T1451] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 398.465474][ T1451] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 398.465875][ T1451] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 398.466173][ T1451] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 398.466471][ T1451] ? __kernel_text_address (kernel/extable.c:79) 
[ 398.466774][ T1451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.467078][ T1451] ? __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) 
[ 398.467393][ T1451] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 398.467760][ T1451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.468065][ T1451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.468358][ T1451] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 398.468676][ T1451] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 398.469015][ T1451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.469327][ T1451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 398.469620][ T1451] ? __create_object (mm/kmemleak.c:771) 
[ 398.469959][ T1451] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 398.470270][ T1451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 398.470579][ T1451] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 398.470976][ T1451] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 398.471287][ T1451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 398.471592][ T1451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.471904][ T1451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.472203][ T1451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.472497][ T1451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 398.472806][ T1451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.473120][ T1451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 398.473426][ T1451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 398.473741][ T1451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.474071][ T1451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.474376][ T1451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 398.474681][ T1451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 398.475002][ T1451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 398.475317][ T1451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 398.475613][ T1451] ? 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) 
[ 398.475933][ T1451] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 398.476226][ T1451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 398.476513][ T1451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.476823][ T1451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 398.477182][ T1451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 398.477494][ T1451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 398.477825][ T1451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 398.478133][ T1451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 398.478431][ T1451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 398.478823][ T1451] ___sys_sendmsg (net/socket.c:2670) 
[ 398.479135][ T1451] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 398.479430][ T1451] ? __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) 
[ 398.479830][ T1451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 398.480122][ T1451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.480415][ T1451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 398.480707][ T1451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 398.481009][ T1451] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 398.481323][ T1451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 398.481617][ T1451] __sys_sendmsg (net/socket.c:2700) 
[ 398.481938][ T1451] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 398.482305][ T1451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 398.482606][ T1451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 398.482930][ T1451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 398.483222][ T1451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  398.483596][ T1451] RIP: 0033:0x7fe1d761c1e7
[ 398.483925][ T1451] 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)
[  398.484967][ T1451] RSP: 002b:00007ffc4430c588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  398.485411][ T1451] RAX: ffffffffffffffda RBX: 00007ffc4430ccb0 RCX: 00007fe1d761c1e7
[  398.485853][ T1451] RDX: 0000000000000000 RSI: 00007ffc4430c5f0 RDI: 0000000000000005
[  398.486284][ T1451] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  398.486731][ T1451] R10: 00007fe1d7519ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_device_event
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