======================================
| [   20.670387][  T319] ip_gre: GRE over IPv4 tunneling driver
| [   20.742045][  T318] ------------[ cut here ]------------
| [ 20.742789][ 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) 
| [   20.743904][  T318] Modules linked in: ip_gre gre sch_ingress vrf veth
[   20.745726][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.746451][ 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) 
[ 20.747027][ 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
[   20.749011][  T318] RSP: 0000:ffffc90000677000 EFLAGS: 00010246
[   20.749733][  T318] RAX: 0000000000000000 RBX: ffff88800c7d4000 RCX: 0000000000000001
[   20.750585][  T318] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   20.751442][  T318] RBP: ffffc900006770e8 R08: ffff88800c7d4218 R09: 0000000000000000
[   20.752259][  T318] R10: ffffc90000677118 R11: ffffffffb6579160 R12: 1ffff920000cee04
[   20.753123][  T318] R13: 00000000000005b6 R14: ffffc90000677118 R15: ffff88800c7d4218
[   20.761877][  T318] FS:  00007fab4f7e5800(0000) GS:ffff888077437000(0000) knlGS:0000000000000000
[   20.762509][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.762952][  T318] CR2: 00007f5012c1fd90 CR3: 000000000aef8004 CR4: 0000000000772ef0
[   20.763495][  T318] PKRU: 55555554
[   20.763958][  T318] Call Trace:
[   20.764224][  T318]  <TASK>
[ 20.764421][ T318] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.764864][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.765216][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.765578][ T318] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 20.765932][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.766546][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.766914][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.767290][ T318] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 20.767684][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.767958][ T318] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.768444][ T318] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.768804][ T318] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.769187][ T318] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.769640][ T318] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.769997][ T318] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.770366][ T318] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.770723][ T318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.771084][ T318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.771448][ T318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.771809][ T318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.772167][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.772551][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.773328][ T318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.773651][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.774214][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.774998][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.775398][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.775754][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.776107][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.776432][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.776803][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.777175][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.777548][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.777918][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.778297][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.778648][ 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) 
[ 20.779232][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.779611][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.779968][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.780773][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.781386][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.781743][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.782104][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.782473][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.782822][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.783271][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.783639][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.783999][ T318] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.784394][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.784746][ T318] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 20.785103][ T318] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.785465][ T318] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.785815][ T318] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 20.786181][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.786557][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.786916][ 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) 
[ 20.787298][ 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) 
[ 20.787663][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.788025][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.788397][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.788847][  T318] RIP: 0033:0x7fab4f9b21e7
[ 20.789235][ T318] Code: Unable to access opcode bytes at 0x7fab4f9b21bd.

Code starting with the faulting instruction
===========================================
[   20.789706][  T318] RSP: 002b:00007fffc117fac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.790479][  T318] RAX: ffffffffffffffda RBX: 00007fffc11801f0 RCX: 00007fab4f9b21e7
[   20.791032][  T318] RDX: 0000000000000000 RSI: 00007fffc117fb30 RDI: 0000000000000005
[   20.791603][  T318] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[   20.792129][  T318] R10: 00007fab4f8aa6f8 R11: 0000000000000246 R12: 00007fffc1180210
[   20.792674][  T318] R13: 00000000686e3837 R14: 0000000000499600 R15: 00007fffc117fc1c
| [   23.663478][  T345] ------------[ cut here ]------------
| [ 23.663820][ 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) 
| [   23.664915][  T345] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   23.666358][  T345] Tainted: [W]=WARN
[   23.666626][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.667017][ 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) 
[ 23.667358][ 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
[   23.668469][  T345] RSP: 0018:ffffc900006a6ef0 EFLAGS: 00010246
[   23.668868][  T345] RAX: 0000000000000000 RBX: ffff8880096ea000 RCX: 0000000000000001
[   23.669348][  T345] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   23.669816][  T345] RBP: ffffc900006a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.670290][  T345] R10: ffffc900006a7010 R11: ffffffffb6ea8918 R12: 1ffff920000d4de2
[   23.670776][  T345] R13: 00000000000005dc R14: ffffc900006a7010 R15: ffff8880096eaf08
[   23.671260][  T345] FS:  00007ff07fddd800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[   23.671852][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.672264][  T345] CR2: 00000000004e5aa8 CR3: 000000000ac9d006 CR4: 0000000000772ef0
[   23.672981][  T345] PKRU: 55555554
[   23.673224][  T345] Call Trace:
[   23.673476][  T345]  <TASK>
[ 23.673653][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.673970][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.674310][ T345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.674628][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.675021][ T345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.675353][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 23.675675][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.676003][ T345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.676452][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.676697][ T345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.677125][ T345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.677495][ T345] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.677859][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.678180][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.678596][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.678919][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.679239][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.679575][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.679901][ 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) 
[ 23.680227][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.680633][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.680951][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.681287][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.681607][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.681925][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.682248][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.682578][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 23.682898][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.683222][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.683552][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.683943][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.684268][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.684599][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.684919][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.685247][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.685585][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.685908][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.686234][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.686602][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.686925][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.687243][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.687581][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.687905][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.688226][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.688563][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.688879][ 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) 
[ 23.689194][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.689528][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.689849][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.690177][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.690510][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.690831][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.691172][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.691506][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.691822][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.692228][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 23.692558][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.692914][ 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) 
[ 23.693320][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.693646][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.693969][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.694304][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.694628][ 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) 
[ 23.694951][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.695292][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 23.695611][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.696001][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.696344][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.696668][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.696992][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.697398][  T345] RIP: 0033:0x7ff07ffaa1e7
[ 23.697730][ 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)
[   23.698847][  T345] RSP: 002b:00007ffde1c618b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.699332][  T345] RAX: ffffffffffffffda RBX: 00007ffde1c61fe0 RCX: 00007ff07ffaa1e7
[   23.699805][  T345] RDX: 0000000000000000 RSI: 00007ffde1c61920 RDI: 0000000000000005
[   23.700289][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.700761][  T345] R10: 0000000002a6e910 R11: 0000000000000246 R12: 0000000000000004
[   23.701238][  T345] R13: 00000000686e383a R14: 0000000000499600 R15: 0000000000000000
| [   23.950301][  T348] ------------[ cut here ]------------
| [ 23.950646][ T348] WARNING: CPU: 0 PID: 348 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.951869][  T348] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   23.953340][  T348] Tainted: [W]=WARN
[   23.953586][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.953986][ T348] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.954335][ T348] 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
[   23.955478][  T348] RSP: 0018:ffffc90000506ef0 EFLAGS: 00010246
[   23.955883][  T348] RAX: 0000000000000000 RBX: ffff8880096ea000 RCX: 0000000000000001
[   23.956381][  T348] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   23.956860][  T348] RBP: ffffc90000506fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.957347][  T348] R10: ffffc90000507010 R11: ffffffffb6ea8918 R12: 1ffff920000a0de2
[   23.957827][  T348] R13: 00000000000005dc R14: ffffc90000507010 R15: ffff8880096eaf08
[   23.958317][  T348] FS:  00007fcd98f83800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   23.958877][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.959308][  T348] CR2: 00000000004e5ab0 CR3: 000000000bd01006 CR4: 0000000000772ef0
[   23.959789][  T348] PKRU: 55555554
[   23.960028][  T348] Call Trace:
[   23.960267][  T348]  <TASK>
[ 23.960448][ T348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.960773][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.961160][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.961495][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.961894][ T348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.962220][ T348] netif_set_mtu (net/core/dev.c:9652) 
[ 23.962548][ T348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.962879][ T348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.963334][ T348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.963580][ T348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.964010][ T348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.964384][ T348] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.964713][ T348] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.965040][ T348] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.965459][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.965781][ T348] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.966102][ T348] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.966437][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.966764][ T348] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.967085][ T348] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.967524][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.967853][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.968174][ T348] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.968504][ T348] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.968827][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.969150][ T348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.969476][ T348] ? __create_object (mm/kmemleak.c:771) 
[ 23.969825][ T348] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.970172][ T348] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.970505][ T348] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.970904][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.971258][ T348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.971609][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.971952][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.972304][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.972640][ T348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.972974][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.973319][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.973655][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.974000][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.974338][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.974665][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.974986][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.975314][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.975664][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.975984][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.976317][ T348] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.976644][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.976978][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.977315][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.977648][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.977976][ T348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.978335][ T348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.978673][ T348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.979002][ T348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.979446][ T348] ___sys_sendmsg (net/socket.c:2670) 
[ 23.979779][ T348] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.980100][ T348] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.980533][ T348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.980864][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.981230][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.981597][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.981921][ T348] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.982240][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.982578][ T348] __sys_sendmsg (net/socket.c:2700) 
[ 23.982897][ T348] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.983311][ T348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.983646][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.983969][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.984305][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.984706][  T348] RIP: 0033:0x7fcd991501e7
[ 23.985037][ T348] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.986222][  T348] RSP: 002b:00007fff2a218668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.986721][  T348] RAX: ffffffffffffffda RBX: 00007fff2a218d90 RCX: 00007fcd991501e7
[   23.987204][  T348] RDX: 0000000000000000 RSI: 00007fff2a2186d0 RDI: 0000000000000005
[   23.987730][  T348] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.988227][  T348] R10: 000000001f2e1910 R11: 0000000000000246 R12: 0000000000000004
[   23.988714][  T348] R13: 00000000686e383a R14: 0000000000499600 R15: 0000000000000000
| [   24.395792][  T351] ------------[ cut here ]------------
| [ 24.396181][ T351] WARNING: CPU: 0 PID: 351 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) 
| [   24.396793][  T351] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   24.398227][  T351] Tainted: [W]=WARN
[   24.398479][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.398891][ T351] 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) 
[ 24.399224][ T351] 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
[   24.400393][  T351] RSP: 0018:ffffc90000627000 EFLAGS: 00010246
[   24.400802][  T351] RAX: 0000000000000000 RBX: ffff88800a354000 RCX: 0000000000000001
[   24.401310][  T351] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   24.401793][  T351] RBP: ffffc900006270e8 R08: ffff88800a354218 R09: 0000000000000000
[   24.402290][  T351] R10: ffffc90000627118 R11: ffffffffb6579160 R12: 1ffff920000c4e04
[   24.402774][  T351] R13: 00000000000005b6 R14: ffffc90000627118 R15: ffff88800a354218
[   24.403254][  T351] FS:  00007f093c843800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   24.403828][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.404245][  T351] CR2: 0000000000436890 CR3: 000000000e3d9001 CR4: 0000000000772ef0
[   24.404714][  T351] PKRU: 55555554
[   24.404941][  T351] Call Trace:
[   24.405182][  T351]  <TASK>
[ 24.405353][ T351] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.405759][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.406082][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.406415][ T351] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 24.406747][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.407064][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 24.407392][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.407731][ T351] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 24.408058][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.408309][ T351] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.408632][ T351] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.408970][ T351] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.409307][ T351] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.409708][ T351] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.410022][ T351] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.410347][ T351] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.410667][ T351] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.411017][ T351] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.411381][ T351] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.411708][ T351] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.412037][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.412365][ T351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.412691][ T351] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.413021][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.413360][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.413697][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.414050][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.414388][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.414711][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.415059][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.415408][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.415764][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.416088][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.416430][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.416765][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.417085][ T351] ? 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) 
[ 24.417415][ T351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.417739][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.418056][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.418390][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.418719][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.419042][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.419379][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.419706][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.420021][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.420436][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 24.420755][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.421120][ T351] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 24.421454][ T351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.421772][ T351] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 24.422094][ T351] ? __handle_mm_fault (mm/memory.c:6212) 
[ 24.422424][ T351] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 24.422743][ T351] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 24.423081][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 24.423410][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.423729][ T351] ? 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) 
[ 24.424053][ T351] ? 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) 
[ 24.424383][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.424706][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.425026][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.425433][  T351] RIP: 0033:0x7f093ca101e7
[ 24.425770][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.426915][  T351] RSP: 002b:00007fff535da698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.427408][  T351] RAX: ffffffffffffffda RBX: 00007fff535dadc0 RCX: 00007f093ca101e7
[   24.427893][  T351] RDX: 0000000000000000 RSI: 00007fff535da700 RDI: 0000000000000005
[   24.428378][  T351] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000
[   24.428857][  T351] R10: 00007f093c9086f8 R11: 0000000000000246 R12: 00007fff535dade0
[   24.429346][  T351] R13: 00000000686e383b R14: 0000000000499600 R15: 00007fff535da7e8
| [   26.405501][  T372] ------------[ cut here ]------------
| [ 26.405840][ T372] WARNING: CPU: 1 PID: 372 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.406466][  T372] Modules linked in: 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   26.407901][  T372] Tainted: [W]=WARN
[   26.408131][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.408521][ T372] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.408840][ T372] 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
[   26.409933][  T372] RSP: 0018:ffffc90000756ef0 EFLAGS: 00010246
[   26.410327][  T372] RAX: 0000000000000000 RBX: ffff8880096ea000 RCX: 0000000000000001
[   26.410786][  T372] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   26.411254][  T372] RBP: ffffc90000756fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.411862][  T372] R10: ffffc90000757010 R11: ffffffffb6ea8918 R12: 1ffff920000eade2
[   26.412342][  T372] R13: 00000000000005dc R14: ffffc90000757010 R15: ffff8880096eaf08
[   26.412798][  T372] FS:  00007f12a71db800(0000) GS:ffff888077337000(0000) knlGS:0000000000000000
[   26.413341][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.413724][  T372] CR2: 00000000004e5ac0 CR3: 0000000005e0d006 CR4: 0000000000772ef0
[   26.414181][  T372] PKRU: 55555554
[   26.414421][  T372] Call Trace:
[   26.414651][  T372]  <TASK>
[ 26.414808][ T372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.415122][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.415447][ T372] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.415753][ T372] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.416132][ T372] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.416449][ T372] netif_set_mtu (net/core/dev.c:9652) 
[ 26.416755][ T372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.417072][ T372] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.417505][ T372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.417738][ T372] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.418155][ T372] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.418516][ T372] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.418826][ T372] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.419134][ T372] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.419530][ T372] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.419867][ T372] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.420189][ T372] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.420542][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.420871][ T372] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 26.421207][ T372] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.421614][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.421941][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.422268][ T372] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.422604][ T372] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.422923][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.423245][ T372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.423575][ T372] ? __create_object (mm/kmemleak.c:771) 
[ 26.423906][ T372] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.424233][ T372] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.424571][ T372] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.424971][ T372] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.425313][ T372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.425642][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.425960][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.426299][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.426625][ T372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.426947][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.427297][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.427629][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.427967][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.428308][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.428637][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.428961][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.429296][ T372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.429633][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.429957][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.430290][ T372] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.430611][ T372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.430936][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.431323][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.431650][ T372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.431978][ T372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.432341][ T372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.432669][ T372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.432989][ T372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.433439][ T372] ___sys_sendmsg (net/socket.c:2670) 
[ 26.433752][ T372] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.434075][ T372] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 26.434498][ T372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.434824][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.435150][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.435492][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.435815][ T372] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.436136][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.436476][ T372] __sys_sendmsg (net/socket.c:2700) 
[ 26.436795][ T372] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.437188][ T372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.437562][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.437887][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.438207][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.438613][  T372] RIP: 0033:0x7f12a73a81e7
[ 26.438942][ T372] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.440113][  T372] RSP: 002b:00007ffcda071158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.440606][  T372] RAX: ffffffffffffffda RBX: 00007ffcda071880 RCX: 00007f12a73a81e7
[   26.441095][  T372] RDX: 0000000000000000 RSI: 00007ffcda0711c0 RDI: 0000000000000005
[   26.441591][  T372] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.442082][  T372] R10: 0000000030473910 R11: 0000000000000246 R12: 0000000000000004
[   26.442570][  T372] R13: 00000000686e383d R14: 0000000000499600 R15: 0000000000000000
| [  331.087050][ T1601] ------------[ cut here ]------------
| [ 331.087917][ T1601] WARNING: CPU: 0 PID: 1601 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) 
| [  331.088620][ T1601] 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
| [  331.090158][ T1601] Tainted: [W]=WARN
[  331.090423][ T1601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 331.090823][ T1601] 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) 
[ 331.091154][ T1601] 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
[  331.092286][ T1601] RSP: 0018:ffffc9000294ef70 EFLAGS: 00010246
[  331.092686][ T1601] RAX: 0000000000000000 RBX: ffff8880096ea000 RCX: 0000000000000001
[  331.093147][ T1601] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[  331.093615][ T1601] RBP: ffffc9000294f058 R08: 0000000000000000 R09: 0000000000000000
[  331.094087][ T1601] R10: ffffc9000294f088 R11: ffffffffb33224d4 R12: 1ffff92000529df2
[  331.094577][ T1601] R13: 00000000000005dc R14: ffffc9000294f088 R15: ffff8880096eaf08
[  331.095049][ T1601] FS:  00007faf1772f800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[  331.095626][ T1601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  331.096025][ T1601] CR2: 00000000004e5ab0 CR3: 000000000aef3006 CR4: 0000000000772ef0
[  331.096508][ T1601] PKRU: 55555554
[  331.096741][ T1601] Call Trace:
[  331.096980][ T1601]  <TASK>
[ 331.097140][ T1601] ? __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) 
[ 331.097555][ T1601] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 331.097945][ T1601] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 331.098268][ T1601] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 331.098605][ T1601] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 331.098909][ T1601] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 331.099232][ T1601] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 331.099546][ T1601] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 331.099868][ T1601] ? ___sys_sendmsg (net/socket.c:2670) 
[ 331.100172][ T1601] ? __sys_sendmsg (net/socket.c:2700) 
[ 331.100506][ T1601] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 331.100831][ T1601] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 331.101294][ T1601] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.101636][ T1601] netif_set_mtu (net/core/dev.c:9652) 
[ 331.101950][ T1601] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 331.102270][ T1601] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 331.102560][ T1601] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 331.103005][ T1601] br_del_if (net/bridge/br_if.c:743) bridge 
[ 331.103386][ T1601] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 331.103717][ T1601] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 331.104048][ T1601] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 331.104392][ T1601] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 331.104821][ T1601] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 331.105148][ T1601] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 331.105481][ T1601] ? __kernel_text_address (kernel/extable.c:79) 
[ 331.105829][ T1601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.106185][ T1601] ? __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) 
[ 331.106535][ T1601] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 331.106954][ T1601] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 331.107293][ T1601] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 331.107626][ T1601] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 331.107949][ T1601] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 331.108308][ T1601] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.108703][ T1601] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 331.109017][ T1601] ? __create_object (mm/kmemleak.c:771) 
[ 331.109347][ T1601] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 331.109662][ T1601] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 331.109982][ T1601] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 331.110395][ T1601] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 331.110725][ T1601] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 331.111045][ T1601] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 331.111373][ T1601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.111697][ T1601] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.112003][ T1601] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 331.112347][ T1601] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 331.112655][ T1601] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 331.112969][ T1601] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 331.113314][ T1601] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 331.113642][ T1601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.113958][ T1601] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 331.114270][ T1601] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 331.114619][ T1601] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 331.114941][ T1601] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 331.115255][ T1601] ? 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) 
[ 331.115578][ T1601] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 331.115897][ T1601] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 331.116207][ T1601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.116540][ T1601] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 331.116854][ T1601] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 331.117162][ T1601] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 331.117505][ T1601] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 331.117824][ T1601] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 331.118143][ T1601] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 331.118569][ T1601] ___sys_sendmsg (net/socket.c:2670) 
[ 331.118881][ T1601] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 331.119196][ T1601] ? __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) 
[ 331.119596][ T1601] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 331.119909][ T1601] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.120219][ T1601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.120542][ T1601] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.120852][ T1601] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 331.121175][ T1601] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 331.121517][ T1601] __sys_sendmsg (net/socket.c:2700) 
[ 331.121824][ T1601] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 331.122201][ T1601] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 331.122550][ T1601] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 331.122874][ T1601] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 331.123192][ T1601] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  331.123598][ T1601] RIP: 0033:0x7faf178fc1e7
[ 331.123945][ T1601] 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)
[  331.125065][ T1601] RSP: 002b:00007ffe0c862068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  331.125553][ T1601] RAX: ffffffffffffffda RBX: 00007ffe0c862790 RCX: 00007faf178fc1e7
[  331.126016][ T1601] RDX: 0000000000000000 RSI: 00007ffe0c8620d0 RDI: 0000000000000005
[  331.126496][ T1601] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  331.126959][ T1601] R10: 00007faf177f9ee8 R11: 0000000000000246 R12: 0000000000000003
[  331.127448][ T1601] R13: 00000000686e396d R14: 0000000000499600 R15: 0000000000000000
| [  331.305659][ T1602] ------------[ cut here ]------------
| [ 331.306027][ T1602] WARNING: CPU: 2 PID: 1602 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) 
| [  331.306701][ T1602] 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
| [  331.308591][ T1602] Tainted: [W]=WARN
[  331.308848][ T1602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 331.309262][ T1602] 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) 
[ 331.309621][ T1602] 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
[  331.310947][ T1602] RSP: 0018:ffffc9000295ef70 EFLAGS: 00010246
[  331.311415][ T1602] RAX: 0000000000000000 RBX: ffff8880096ea000 RCX: 0000000000000001
[  331.311924][ T1602] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[  331.312431][ T1602] RBP: ffffc9000295f058 R08: 0000000000000000 R09: 0000000000000000
[  331.312930][ T1602] R10: ffffc9000295f088 R11: ffffffffb6579160 R12: 1ffff9200052bdf2
[  331.313470][ T1602] R13: 00000000000005dc R14: ffffc9000295f088 R15: ffff8880096eaf08
[  331.313962][ T1602] FS:  00007fc986e44800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[  331.314546][ T1602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  331.314962][ T1602] CR2: 00000000004e5ac0 CR3: 000000000e3ff002 CR4: 0000000000772ef0
[  331.315470][ T1602] PKRU: 55555554
[  331.315723][ T1602] Call Trace:
[  331.315977][ T1602]  <TASK>
[ 331.316154][ T1602] ? __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) 
[ 331.316577][ T1602] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 331.316956][ T1602] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 331.317298][ T1602] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 331.317671][ T1602] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 331.318003][ T1602] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 331.318351][ T1602] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 331.318682][ T1602] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 331.319019][ T1602] ? ___sys_sendmsg (net/socket.c:2670) 
[ 331.319367][ T1602] ? __sys_sendmsg (net/socket.c:2700) 
[ 331.319707][ T1602] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 331.320044][ T1602] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 331.320473][ T1602] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.320827][ T1602] netif_set_mtu (net/core/dev.c:9652) 
[ 331.321165][ T1602] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 331.321578][ T1602] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 331.321837][ T1602] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 331.322315][ T1602] br_del_if (net/bridge/br_if.c:743) bridge 
[ 331.322676][ T1602] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 331.323015][ T1602] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 331.323375][ T1602] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 331.323713][ T1602] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 331.324132][ T1602] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 331.324478][ T1602] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 331.324815][ T1602] ? __kernel_text_address (kernel/extable.c:79) 
[ 331.325154][ T1602] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.325502][ T1602] ? __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) 
[ 331.325842][ T1602] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 331.326249][ T1602] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 331.326598][ T1602] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 331.326931][ T1602] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 331.327262][ T1602] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 331.327623][ T1602] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.327964][ T1602] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 331.328316][ T1602] ? __create_object (mm/kmemleak.c:771) 
[ 331.328653][ T1602] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 331.328992][ T1602] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 331.329337][ T1602] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 331.329749][ T1602] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 331.330100][ T1602] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 331.330450][ T1602] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 331.330779][ T1602] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.331123][ T1602] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.331484][ T1602] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 331.331816][ T1602] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 331.332155][ T1602] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 331.332502][ T1602] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 331.332835][ T1602] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 331.333174][ T1602] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.333533][ T1602] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 331.333869][ T1602] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 331.334204][ T1602] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 331.334562][ T1602] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 331.334894][ T1602] ? 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) 
[ 331.335231][ T1602] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 331.335582][ T1602] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 331.335922][ T1602] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.336259][ T1602] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 331.336619][ T1602] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 331.336951][ T1602] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 331.337302][ T1602] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 331.337640][ T1602] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 331.337968][ T1602] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 331.338399][ T1602] ___sys_sendmsg (net/socket.c:2670) 
[ 331.338731][ T1602] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 331.339066][ T1602] ? __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) 
[ 331.339489][ T1602] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 331.339822][ T1602] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.340160][ T1602] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.340510][ T1602] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.340842][ T1602] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 331.341185][ T1602] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 331.341566][ T1602] __sys_sendmsg (net/socket.c:2700) 
[ 331.341895][ T1602] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 331.342319][ T1602] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 331.342665][ T1602] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 331.343008][ T1602] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 331.343358][ T1602] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  331.343781][ T1602] RIP: 0033:0x7fc9870111e7
[ 331.344127][ T1602] 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)
[  331.345290][ T1602] RSP: 002b:00007ffc49620038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  331.345795][ T1602] RAX: ffffffffffffffda RBX: 00007ffc49620760 RCX: 00007fc9870111e7
[  331.346301][ T1602] RDX: 0000000000000000 RSI: 00007ffc496200a0 RDI: 0000000000000005
[  331.346792][ T1602] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  331.347297][ T1602] R10: 00007fc986f0eee8 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