======================================
| [   21.705677][  T319] ip_gre: GRE over IPv4 tunneling driver
| [   21.759743][  T318] ------------[ cut here ]------------
| [ 21.760848][ T318] WARNING: CPU: 3 PID: 318 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) 
| [   21.761550][  T318] Modules linked in: ip_gre gre sch_ingress vrf veth
[   21.763265][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.763685][ T318] 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) 
[ 21.764067][ T318] 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
[   21.765265][  T318] RSP: 0018:ffffc900004e7000 EFLAGS: 00010246
[   21.765704][  T318] RAX: 0000000000000000 RBX: ffff888009434000 RCX: 0000000000000001
[   21.766212][  T318] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[   21.766718][  T318] RBP: ffffc900004e70e8 R08: ffff888009434218 R09: 0000000000000000
[   21.767218][  T318] R10: ffffc900004e7118 R11: ffffffff8bb79160 R12: 1ffff9200009ce04
[   21.767975][  T318] R13: 00000000000005b6 R14: ffffc900004e7118 R15: ffff888009434218
[   21.768470][  T318] FS:  00007f3cc166e800(0000) GS:ffff8880a1e37000(0000) knlGS:0000000000000000
[   21.769074][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.769490][  T318] CR2: 00007f864c5f67b0 CR3: 000000000bfc5003 CR4: 0000000000772ef0
[   21.770011][  T318] PKRU: 55555554
[   21.770268][  T318] Call Trace:
[   21.770517][  T318]  <TASK>
[ 21.770702][ T318] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.771132][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.771484][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.771838][ T318] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 21.772187][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.772533][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 21.772889][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.773228][ T318] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 21.773560][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.773832][ T318] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.774163][ T318] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.774500][ T318] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.774875][ T318] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.775290][ T318] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.775627][ T318] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.775976][ T318] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.776301][ T318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.776621][ T318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.776961][ T318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.777284][ T318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.777622][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.777964][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.778299][ T318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.778903][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.779241][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.779576][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.779925][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.780261][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.780850][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.781185][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.781512][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.781865][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.782199][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.782528][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.782888][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.783213][ T318] ? 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) 
[ 21.783540][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.783894][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.784221][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.784552][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.784949][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.785281][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.785639][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.786227][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.786551][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.786978][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 21.787304][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.787628][ T318] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 21.787973][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.788304][ T318] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 21.788650][ T318] ? __handle_mm_fault (mm/memory.c:6212) 
[ 21.788999][ T318] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 21.789321][ T318] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 21.789662][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 21.789996][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.790316][ T318] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 21.790636][ T318] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 21.790967][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.791288][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.791599][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.792020][  T318] RIP: 0033:0x7f3cc183b1e7
[ 21.792364][ T318] Code: Unable to access opcode bytes at 0x7f3cc183b1bd.

Code starting with the faulting instruction
===========================================
[   21.792770][  T318] RSP: 002b:00007fff387bf358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.793248][  T318] RAX: ffffffffffffffda RBX: 00007fff387bfa80 RCX: 00007f3cc183b1e7
[   21.793720][  T318] RDX: 0000000000000000 RSI: 00007fff387bf3c0 RDI: 0000000000000005
[   21.794303][  T318] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[   21.794807][  T318] R10: 00007f3cc17336f8 R11: 0000000000000246 R12: 00007fff387bfaa0
[   21.795288][  T318] R13: 00000000686e1a58 R14: 0000000000499600 R15: 00007fff387bf4ac
| [   24.966778][  T345] ------------[ cut here ]------------
| [ 24.967160][ T345] WARNING: CPU: 2 PID: 345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.967789][  T345] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   24.969938][  T345] Tainted: [W]=WARN
[   24.970188][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.970599][ T345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.970956][ T345] 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
[   24.972293][  T345] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[   24.972708][  T345] RAX: 0000000000000000 RBX: ffff88800c3a2000 RCX: 0000000000000001
[   24.973206][  T345] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[   24.973697][  T345] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.974189][  T345] R10: ffffc90000547010 R11: ffffffff8c4a8918 R12: 1ffff920000a8de2
[   24.974684][  T345] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff88800c3a2f08
[   24.975182][  T345] FS:  00007f0d60899800(0000) GS:ffff8880a1db7000(0000) knlGS:0000000000000000
[   24.975759][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.976193][  T345] CR2: 00000000004e5aa8 CR3: 00000000095e1003 CR4: 0000000000772ef0
[   24.976684][  T345] PKRU: 55555554
[   24.976938][  T345] Call Trace:
[   24.977187][  T345]  <TASK>
[ 24.977357][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.977686][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.978023][ T345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.978345][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.978760][ T345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.979100][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 24.979428][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.979765][ T345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.980229][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.980524][ T345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.980997][ T345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.981385][ T345] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.981730][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.982087][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.982513][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.982892][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.983236][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.983582][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.983938][ T345] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.984278][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.984711][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.985065][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.985407][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.985746][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.986093][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.986439][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.986776][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 24.987137][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.987479][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.987835][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.988253][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.988594][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.988979][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.989323][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.989668][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.990018][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.990352][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.990699][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.991049][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.991395][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.991765][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.992132][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.992473][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.992813][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.993177][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.993547][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.993901][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.994242][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.994582][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.994960][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.995303][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.995647][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.996008][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.996351][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.996688][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.997121][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 24.997459][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.997801][ T345] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.998231][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.998571][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.998918][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.999260][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.999595][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.999941][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.000287][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 25.000620][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.001047][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.001395][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.001734][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.002080][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.002492][  T345] RIP: 0033:0x7f0d60a661e7
[ 25.002869][ T345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.004068][  T345] RSP: 002b:00007fff9d5c0518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.004551][  T345] RAX: ffffffffffffffda RBX: 00007fff9d5c0c40 RCX: 00007f0d60a661e7
[   25.005067][  T345] RDX: 0000000000000000 RSI: 00007fff9d5c0580 RDI: 0000000000000005
[   25.005568][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.006092][  T345] R10: 000000000cf61910 R11: 0000000000000246 R12: 0000000000000004
[   25.006584][  T345] R13: 00000000686e1a5b R14: 0000000000499600 R15: 0000000000000000
| [   25.337196][  T347] ------------[ cut here ]------------
| [ 25.337583][ T347] WARNING: CPU: 2 PID: 347 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.340073][  T347] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   25.342573][  T347] Tainted: [W]=WARN
[   25.343017][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.343723][ T347] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.344337][ T347] 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
[   25.346323][  T347] RSP: 0018:ffffc90000be6ef0 EFLAGS: 00010246
[   25.347043][  T347] RAX: 0000000000000000 RBX: ffff88800c3a2000 RCX: 0000000000000001
[   25.347880][  T347] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[   25.348712][  T347] RBP: ffffc90000be6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.349544][  T347] R10: ffffc90000be7010 R11: ffffffff8c4a8918 R12: 1ffff9200017cde2
[   25.350398][  T347] R13: 00000000000005dc R14: ffffc90000be7010 R15: ffff88800c3a2f08
[   25.351255][  T347] FS:  00007fccc4286800(0000) GS:ffff8880a1db7000(0000) knlGS:0000000000000000
[   25.352235][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.352950][  T347] CR2: 00000000004e5ab0 CR3: 00000000029d5004 CR4: 0000000000772ef0
[   25.353763][  T347] PKRU: 55555554
[   25.354220][  T347] Call Trace:
[   25.354645][  T347]  <TASK>
[ 25.354986][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.355553][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.356112][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.356669][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.357367][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.357945][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 25.358504][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.359097][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.359867][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.360293][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.361068][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.361748][ T347] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.362366][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.362979][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.363707][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.364292][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.364897][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.365486][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.366090][ T347] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.366666][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.367382][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.367981][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.368571][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.369179][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.369769][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.370393][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.370983][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 25.371571][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.372176][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.372767][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.373508][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.374138][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.374751][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.375364][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.375984][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.376568][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.377158][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.377739][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.378325][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.378917][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.379515][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.380115][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.380684][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.381274][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.381889][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.382306][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.382632][ T347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.383000][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.383326][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.383655][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.384024][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.384364][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.384739][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.385306][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.385636][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.386084][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 25.386403][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.386731][ T347] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.387145][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.387470][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.387806][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.388154][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.388480][ T347] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.388828][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.389161][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 25.389482][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.389984][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.390345][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.390688][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.391057][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.391471][  T347] RIP: 0033:0x7fccc44531e7
[ 25.391928][ T347] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.393257][  T347] RSP: 002b:00007ffc3a67f688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.393798][  T347] RAX: ffffffffffffffda RBX: 00007ffc3a67fdb0 RCX: 00007fccc44531e7
[   25.394508][  T347] RDX: 0000000000000000 RSI: 00007ffc3a67f6f0 RDI: 0000000000000005
[   25.395030][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.395532][  T347] R10: 00000000182ed910 R11: 0000000000000246 R12: 0000000000000004
[   25.396046][  T347] R13: 00000000686e1a5c R14: 0000000000499600 R15: 0000000000000000
| [   25.930925][  T350] ------------[ cut here ]------------
| [ 25.931522][ T350] WARNING: CPU: 3 PID: 350 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.932537][  T350] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   25.934988][  T350] Tainted: [W]=WARN
[   25.935409][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.936112][ T350] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.936683][ T350] 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
[   25.938907][  T350] RSP: 0018:ffffc900005b7000 EFLAGS: 00010246
[   25.939608][  T350] RAX: 0000000000000000 RBX: ffff888005ec1000 RCX: 0000000000000001
[   25.940420][  T350] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[   25.941272][  T350] RBP: ffffc900005b70e8 R08: ffff888005ec1218 R09: 0000000000000000
[   25.942089][  T350] R10: ffffc900005b7118 R11: ffffffff8bb79160 R12: 1ffff920000b6e04
[   25.942896][  T350] R13: 00000000000005b6 R14: ffffc900005b7118 R15: ffff888005ec1218
[   25.943720][  T350] FS:  00007fc0860b4800(0000) GS:ffff8880a1e37000(0000) knlGS:0000000000000000
[   25.944694][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.945436][  T350] CR2: 00007fc08630fb78 CR3: 000000000f27a001 CR4: 0000000000772ef0
[   25.946291][  T350] PKRU: 55555554
[   25.946689][  T350] Call Trace:
[   25.947109][  T350]  <TASK>
[ 25.947394][ T350] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.948076][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.948686][ T350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.949279][ T350] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 25.949811][ T350] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.950397][ T350] netif_set_mtu (net/core/dev.c:9652) 
[ 25.950962][ T350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.951539][ T350] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 25.952098][ T350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.952506][ T350] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.953080][ T350] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.953631][ T350] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.954196][ T350] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.954931][ T350] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.955486][ T350] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.956069][ T350] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.956627][ T350] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.957183][ T350] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.957745][ T350] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.958302][ T350] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.958651][ T350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.958970][ T350] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.959363][ T350] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.959906][ T350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.960480][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.961052][ T350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.961557][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.962094][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.962628][ T350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.963151][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.963671][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.964246][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.964768][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.965285][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.965852][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.966371][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.966904][ T350] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.967412][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.967946][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.968511][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.969030][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.969538][ T350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.970068][ T350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.970623][ T350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.971150][ T350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.971861][ T350] ___sys_sendmsg (net/socket.c:2670) 
[ 25.972425][ T350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.972969][ T350] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 25.973524][ T350] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.974501][ T350] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 25.975095][ T350] ? __handle_mm_fault (mm/memory.c:6212) 
[ 25.975598][ T350] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 25.976584][ T350] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 25.977176][ T350] __sys_sendmsg (net/socket.c:2700) 
[ 25.977742][ T350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.978294][ T350] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 25.978887][ T350] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 25.979429][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.980005][ T350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.980510][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.981482][  T350] RIP: 0033:0x7fc0862811e7
[ 25.981999][ T350] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.984388][  T350] RSP: 002b:00007ffd63839608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.985252][  T350] RAX: ffffffffffffffda RBX: 00007ffd63839d30 RCX: 00007fc0862811e7
[   25.985811][  T350] RDX: 0000000000000000 RSI: 00007ffd63839670 RDI: 0000000000000005
[   25.986581][  T350] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000
[   25.987074][  T350] R10: 00007fc0861796f8 R11: 0000000000000246 R12: 00007ffd63839d50
[   25.987847][  T350] R13: 00000000686e1a5c R14: 0000000000499600 R15: 00007ffd63839758
| [   28.357974][  T371] ------------[ cut here ]------------
| [ 28.358330][ T371] WARNING: CPU: 0 PID: 371 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) 
| [   28.359058][  T371] Modules linked in: 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   28.360571][  T371] Tainted: [W]=WARN
[   28.360855][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.361271][ T371] 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) 
[ 28.361611][ T371] 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
[   28.362755][  T371] RSP: 0018:ffffc90000656ef0 EFLAGS: 00010246
[   28.363212][  T371] RAX: 0000000000000000 RBX: ffff88800c3a2000 RCX: 0000000000000001
[   28.363697][  T371] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[   28.364256][  T371] RBP: ffffc90000656fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.365076][  T371] R10: ffffc90000657010 R11: ffffffff8c4a8918 R12: 1ffff920000cade2
[   28.365876][  T371] R13: 00000000000005dc R14: ffffc90000657010 R15: ffff88800c3a2f08
[   28.366529][  T371] FS:  00007f3fd24c8800(0000) GS:ffff8880a1cb7000(0000) knlGS:0000000000000000
[   28.367378][  T371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.368014][  T371] CR2: 00000000004e5ac0 CR3: 000000000e4be003 CR4: 0000000000772ef0
[   28.368718][  T371] PKRU: 55555554
[   28.369116][  T371] Call Trace:
[   28.369501][  T371]  <TASK>
[ 28.369739][ T371] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.370271][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.370869][ T371] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 28.371408][ T371] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 28.372066][ T371] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 28.372598][ T371] netif_set_mtu (net/core/dev.c:9652) 
[ 28.373140][ T371] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.373710][ T371] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 28.374482][ T371] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.374920][ T371] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.375695][ T371] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.376354][ T371] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.376934][ T371] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.377500][ T371] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.378183][ T371] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.378745][ T371] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.379314][ T371] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.379918][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.380489][ T371] ? __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) 
[ 28.381059][ T371] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.381734][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.382281][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.382835][ T371] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.383397][ T371] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.383966][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.384536][ T371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.385096][ T371] ? __create_object (mm/kmemleak.c:771) 
[ 28.385646][ T371] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.386226][ T371] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.386776][ T371] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.387477][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.388040][ T371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.388628][ T371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.389192][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.389742][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.390286][ T371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.390852][ T371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.391418][ T371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.391971][ T371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.392532][ T371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.393108][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.393680][ T371] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.394239][ T371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.394810][ T371] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.395404][ T371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.395962][ T371] ? 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) 
[ 28.396504][ T371] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.397059][ T371] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.397593][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.398165][ T371] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.398720][ T371] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.399288][ T371] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.399865][ T371] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.400433][ T371] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.401000][ T371] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.401713][ T371] ___sys_sendmsg (net/socket.c:2670) 
[ 28.402267][ T371] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.402806][ T371] ? __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) 
[ 28.403559][ T371] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.404157][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.404745][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.405320][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.405894][ T371] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.406443][ T371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.407028][ T371] __sys_sendmsg (net/socket.c:2700) 
[ 28.407586][ T371] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.408301][ T371] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.408906][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.409476][ T371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.410055][ T371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.410751][  T371] RIP: 0033:0x7f3fd26951e7
[ 28.411332][ T371] 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)
[   28.413309][  T371] RSP: 002b:00007ffdabd21bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.414153][  T371] RAX: ffffffffffffffda RBX: 00007ffdabd22320 RCX: 00007f3fd26951e7
[   28.414998][  T371] RDX: 0000000000000000 RSI: 00007ffdabd21c60 RDI: 0000000000000005
[   28.415859][  T371] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.416690][  T371] R10: 0000000023dff910 R11: 0000000000000246 R12: 0000000000000004
[   28.417539][  T371] R13: 00000000686e1a5f R14: 0000000000499600 R15: 0000000000000000
| [  336.343266][ T1627] ------------[ cut here ]------------
| [ 336.343587][ T1627] WARNING: CPU: 0 PID: 1627 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) 
| [  336.344225][ T1627] Modules linked in: cls_flower act_mirred 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [  336.345759][ T1627] Tainted: [W]=WARN
[  336.345999][ T1627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 336.346380][ T1627] 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) 
[ 336.346694][ T1627] 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
[  336.347790][ T1627] RSP: 0018:ffffc90002afef70 EFLAGS: 00010246
[  336.348186][ T1627] RAX: 0000000000000000 RBX: ffff88800c3a2000 RCX: 0000000000000001
[  336.348641][ T1627] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[  336.349106][ T1627] RBP: ffffc90002aff058 R08: 0000000000000000 R09: 0000000000000000
[  336.349561][ T1627] R10: ffffc90002aff088 R11: ffffffff87a00130 R12: 1ffff9200055fdf2
[  336.350030][ T1627] R13: 00000000000005dc R14: ffffc90002aff088 R15: ffff88800c3a2f08
[  336.350489][ T1627] FS:  00007f27bbc9d800(0000) GS:ffff8880a1cb7000(0000) knlGS:0000000000000000
[  336.351029][ T1627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  336.351411][ T1627] CR2: 00000000004e5ab0 CR3: 00000000092b6001 CR4: 0000000000772ef0
[  336.351884][ T1627] PKRU: 55555554
[  336.352115][ T1627] Call Trace:
[  336.352344][ T1627]  <TASK>
[ 336.352499][ T1627] ? __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) 
[ 336.352894][ T1627] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 336.353247][ T1627] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 336.353554][ T1627] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 336.353866][ T1627] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 336.354175][ T1627] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 336.354484][ T1627] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 336.354788][ T1627] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 336.355127][ T1627] ? ___sys_sendmsg (net/socket.c:2670) 
[ 336.355447][ T1627] ? __sys_sendmsg (net/socket.c:2700) 
[ 336.355746][ T1627] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 336.356064][ T1627] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 336.356442][ T1627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.356765][ T1627] netif_set_mtu (net/core/dev.c:9652) 
[ 336.357085][ T1627] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 336.357405][ T1627] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 336.357640][ T1627] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 336.358073][ T1627] br_del_if (net/bridge/br_if.c:743) bridge 
[ 336.358411][ T1627] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 336.358718][ T1627] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 336.359041][ T1627] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 336.359349][ T1627] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 336.359731][ T1627] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 336.360059][ T1627] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 336.360365][ T1627] ? __kernel_text_address (kernel/extable.c:79) 
[ 336.360674][ T1627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.360993][ T1627] ? __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) 
[ 336.361308][ T1627] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 336.361685][ T1627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 336.362003][ T1627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 336.362308][ T1627] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 336.362610][ T1627] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 336.362943][ T1627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.363252][ T1627] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 336.363554][ T1627] ? __create_object (mm/kmemleak.c:771) 
[ 336.363887][ T1627] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 336.364194][ T1627] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 336.364500][ T1627] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 336.364889][ T1627] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 336.365212][ T1627] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 336.365520][ T1627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 336.365840][ T1627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.366159][ T1627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.366465][ T1627] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 336.366765][ T1627] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 336.367082][ T1627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 336.367387][ T1627] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 336.367691][ T1627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 336.368006][ T1627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.368313][ T1627] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 336.368625][ T1627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 336.368939][ T1627] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 336.369255][ T1627] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 336.369558][ T1627] ? 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) 
[ 336.369878][ T1627] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 336.370185][ T1627] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 336.370488][ T1627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.370803][ T1627] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 336.371123][ T1627] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 336.371427][ T1627] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 336.371739][ T1627] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 336.372057][ T1627] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 336.372359][ T1627] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 336.372748][ T1627] ___sys_sendmsg (net/socket.c:2670) 
[ 336.373063][ T1627] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 336.373365][ T1627] ? __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) 
[ 336.373747][ T1627] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 336.374062][ T1627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.374370][ T1627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.374679][ T1627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.374994][ T1627] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 336.375316][ T1627] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 336.375625][ T1627] __sys_sendmsg (net/socket.c:2700) 
[ 336.375939][ T1627] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 336.376315][ T1627] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 336.376630][ T1627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 336.376947][ T1627] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 336.377253][ T1627] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  336.377634][ T1627] RIP: 0033:0x7f27bbe6a1e7
[ 336.377963][ T1627] 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)
[  336.379058][ T1627] RSP: 002b:00007ffc3f8621c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  336.379518][ T1627] RAX: ffffffffffffffda RBX: 00007ffc3f8628f0 RCX: 00007f27bbe6a1e7
[  336.379985][ T1627] RDX: 0000000000000000 RSI: 00007ffc3f862230 RDI: 0000000000000005
[  336.380443][ T1627] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  336.380907][ T1627] R10: 00007f27bbd67ee8 R11: 0000000000000246 R12: 0000000000000003
[  336.381363][ T1627] R13: 00000000686e1b93 R14: 0000000000499600 R15: 0000000000000000
| [  336.504718][ T1628] ------------[ cut here ]------------
| [ 336.505240][ T1628] WARNING: CPU: 2 PID: 1628 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) 
| [  336.506085][ T1628] Modules linked in: cls_flower act_mirred 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [  336.507902][ T1628] Tainted: [W]=WARN
[  336.508149][ T1628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 336.508541][ T1628] 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) 
[ 336.508886][ T1628] 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
[  336.509988][ T1628] RSP: 0018:ffffc90002b0ef70 EFLAGS: 00010246
[  336.510387][ T1628] RAX: 0000000000000000 RBX: ffff88800c3a2000 RCX: 0000000000000001
[  336.510868][ T1628] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[  336.511342][ T1628] RBP: ffffc90002b0f058 R08: 0000000000000000 R09: 0000000000000000
[  336.511807][ T1628] R10: ffffc90002b0f088 R11: ffffffff8bb79160 R12: 1ffff92000561df2
[  336.512284][ T1628] R13: 00000000000005dc R14: ffffc90002b0f088 R15: ffff88800c3a2f08
[  336.512751][ T1628] FS:  00007f209896b800(0000) GS:ffff8880a1db7000(0000) knlGS:0000000000000000
[  336.513310][ T1628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  336.513705][ T1628] CR2: 00000000004e5ac0 CR3: 0000000010fab001 CR4: 0000000000772ef0
[  336.514189][ T1628] PKRU: 55555554
[  336.514430][ T1628] Call Trace:
[  336.514672][ T1628]  <TASK>
[ 336.514852][ T1628] ? __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) 
[ 336.515284][ T1628] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 336.515648][ T1628] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 336.515981][ T1628] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 336.516296][ T1628] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 336.516612][ T1628] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 336.516937][ T1628] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 336.517255][ T1628] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 336.517577][ T1628] ? ___sys_sendmsg (net/socket.c:2670) 
[ 336.517903][ T1628] ? __sys_sendmsg (net/socket.c:2700) 
[ 336.518219][ T1628] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 336.518532][ T1628] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 336.518935][ T1628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.519270][ T1628] netif_set_mtu (net/core/dev.c:9652) 
[ 336.519588][ T1628] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 336.519932][ T1628] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 336.520181][ T1628] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 336.520616][ T1628] br_del_if (net/bridge/br_if.c:743) bridge 
[ 336.520978][ T1628] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 336.521294][ T1628] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 336.521614][ T1628] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 336.521944][ T1628] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 336.522343][ T1628] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 336.522663][ T1628] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 336.522994][ T1628] ? __kernel_text_address (kernel/extable.c:79) 
[ 336.523323][ T1628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.523643][ T1628] ? __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) 
[ 336.523971][ T1628] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 336.524360][ T1628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 336.524681][ T1628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 336.525031][ T1628] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 336.525358][ T1628] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 336.525678][ T1628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.526007][ T1628] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 336.526321][ T1628] ? __create_object (mm/kmemleak.c:771) 
[ 336.526636][ T1628] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 336.526969][ T1628] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 336.527285][ T1628] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 336.527681][ T1628] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 336.528017][ T1628] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 336.528344][ T1628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 336.528659][ T1628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.528995][ T1628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.529311][ T1628] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 336.529626][ T1628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 336.529953][ T1628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 336.530275][ T1628] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 336.530591][ T1628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 336.530925][ T1628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.531247][ T1628] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 336.531563][ T1628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 336.531893][ T1628] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 336.532220][ T1628] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 336.532541][ T1628] ? 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) 
[ 336.532870][ T1628] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 336.533189][ T1628] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 336.533504][ T1628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.533836][ T1628] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 336.534158][ T1628] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 336.534473][ T1628] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 336.534799][ T1628] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 336.535146][ T1628] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 336.535473][ T1628] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 336.535882][ T1628] ___sys_sendmsg (net/socket.c:2670) 
[ 336.536200][ T1628] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 336.536516][ T1628] ? __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) 
[ 336.536922][ T1628] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 336.537249][ T1628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.537572][ T1628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.537907][ T1628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.538226][ T1628] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 336.538539][ T1628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 336.538877][ T1628] __sys_sendmsg (net/socket.c:2700) 
[ 336.539192][ T1628] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 336.539586][ T1628] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 336.539924][ T1628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 336.540243][ T1628] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 336.540559][ T1628] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  336.540959][ T1628] RIP: 0033:0x7f2098b381e7
[ 336.541283][ T1628] 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)
[  336.542389][ T1628] RSP: 002b:00007ffc1334a3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  336.542877][ T1628] RAX: ffffffffffffffda RBX: 00007ffc1334ab20 RCX: 00007f2098b381e7
[  336.543345][ T1628] RDX: 0000000000000000 RSI: 00007ffc1334a460 RDI: 0000000000000005
[  336.543811][ T1628] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  336.544297][ T1628] R10: 00007f2098a35ee8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if