======================================
| [  167.840174][ T1073] ip_gre: GRE over IPv4 tunneling driver
| [  167.913968][ T1072] ------------[ cut here ]------------
| [ 167.914730][ T1072] WARNING: CPU: 0 PID: 1072 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) 
| [  167.915867][ T1072] Modules linked in: ip_gre gre act_mirred act_gact act_police cls_flower sch_ingress vrf veth
[  167.918178][ T1072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.918931][ T1072] 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) 
[ 167.919548][ T1072] 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
[  167.921612][ T1072] RSP: 0000:ffffc900016bf000 EFLAGS: 00010246
[  167.922349][ T1072] RAX: 0000000000000000 RBX: ffff88800e61c000 RCX: 0000000000000001
[  167.923217][ T1072] RDX: 0000000000000000 RSI: ffffffffbb29b941 RDI: ffffffffbaa555e0
[  167.924093][ T1072] RBP: ffffc900016bf0e8 R08: ffff88800e61c218 R09: 0000000000000000
[  167.934490][ T1072] R10: ffffc900016bf118 R11: ffffffffbb779160 R12: 1ffff920002d7e04
[  167.937909][ T1072] R13: 00000000000005b6 R14: ffffc900016bf118 R15: ffff88800e61c218
[  167.938806][ T1072] FS:  00007fc99c4cf800(0000) GS:ffff8880720b7000(0000) knlGS:0000000000000000
[  167.939812][ T1072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.940543][ T1072] CR2: 00007ff543aded90 CR3: 000000000be3a001 CR4: 0000000000772ef0
[  167.941421][ T1072] PKRU: 55555554
[  167.941868][ T1072] Call Trace:
[  167.942306][ T1072]  <TASK>
[ 167.942624][ T1072] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 167.943778][ T1072] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 167.944353][ T1072] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.944937][ T1072] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 167.946371][ T1072] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 167.946995][ T1072] netif_set_mtu (net/core/dev.c:9652) 
[ 167.947613][ T1072] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.948209][ T1072] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 167.948790][ T1072] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.949664][ T1072] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 167.950244][ T1072] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 167.950850][ T1072] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 167.951420][ T1072] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 167.952147][ T1072] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 167.952751][ T1072] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 167.953327][ T1072] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 167.953930][ T1072] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.954483][ T1072] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.955048][ T1072] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.955632][ T1072] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.956196][ T1072] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.956767][ T1072] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.957352][ T1072] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.958385][ T1072] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.959388][ T1072] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.959992][ T1072] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.960559][ T1072] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.961950][ T1072] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.962943][ T1072] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.963507][ T1072] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.964094][ T1072] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.964677][ T1072] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.965234][ T1072] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.965841][ T1072] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.966447][ T1072] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.967014][ T1072] ? 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) 
[ 167.967616][ T1072] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 167.968190][ T1072] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.969572][ T1072] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.971018][ T1072] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.971616][ T1072] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.972186][ T1072] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.972786][ T1072] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.973362][ T1072] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.973949][ T1072] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.974694][ T1072] ___sys_sendmsg (net/socket.c:2670) 
[ 167.975257][ T1072] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.975838][ T1072] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.976396][ T1072] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.976979][ T1072] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.977570][ T1072] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.978133][ T1072] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.978711][ T1072] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.979317][ T1072] __sys_sendmsg (net/socket.c:2700) 
[ 167.979905][ T1072] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.980449][ T1072] ? 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) 
[ 167.981029][ T1072] ? 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) 
[ 167.981623][ T1072] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.982220][ T1072] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.982806][ T1072] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.983485][ T1072] RIP: 0033:0x7fc99c69c1e7
[ 167.984073][ T1072] Code: Unable to access opcode bytes at 0x7fc99c69c1bd.

Code starting with the faulting instruction
===========================================
[  167.984814][ T1072] RSP: 002b:00007fff82b931e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.985688][ T1072] RAX: ffffffffffffffda RBX: 00007fff82b93910 RCX: 00007fc99c69c1e7
[  167.986546][ T1072] RDX: 0000000000000000 RSI: 00007fff82b93250 RDI: 0000000000000005
[  167.987397][ T1072] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  167.987912][ T1072] R10: 00007fc99c5946f8 R11: 0000000000000246 R12: 00007fff82b93930
[  167.988394][ T1072] R13: 00000000686e3ae5 R14: 0000000000499600 R15: 00007fff82b9333c
| [  170.608091][ T1101] ------------[ cut here ]------------
| [ 170.608413][ T1101] WARNING: CPU: 3 PID: 1101 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) 
| [  170.609061][ T1101] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 cls_matchall ip_gre gre act_mirred act_gact act_police cls_flower sch_ingress vrf veth
| [  170.611542][ T1101] Tainted: [W]=WARN
[  170.611793][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.612179][ T1101] 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) 
[ 170.612496][ T1101] 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
[  170.613738][ T1101] RSP: 0018:ffffc9000152eef0 EFLAGS: 00010246
[  170.614129][ T1101] RAX: 0000000000000000 RBX: ffff88800c2ca000 RCX: 0000000000000001
[  170.614584][ T1101] RDX: 0000000000000000 RSI: ffffffffbb29b941 RDI: ffffffffbaa555e0
[  170.615047][ T1101] RBP: ffffc9000152efe0 R08: 0000000000000000 R09: 0000000000000000
[  170.615501][ T1101] R10: ffffc9000152f010 R11: ffffffffbc0a8918 R12: 1ffff920002a5de2
[  170.615965][ T1101] R13: 00000000000005dc R14: ffffc9000152f010 R15: ffff88800c2caf08
[  170.616420][ T1101] FS:  00007fa748803800(0000) GS:ffff888072237000(0000) knlGS:0000000000000000
[  170.616964][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.617361][ T1101] CR2: 00000000004e5aa8 CR3: 00000000105d4002 CR4: 0000000000772ef0
[  170.617826][ T1101] PKRU: 55555554
[  170.618061][ T1101] Call Trace:
[  170.618289][ T1101]  <TASK>
[ 170.618447][ T1101] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.618761][ T1101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.619072][ T1101] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.619376][ T1101] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.619795][ T1101] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.620106][ T1101] netif_set_mtu (net/core/dev.c:9652) 
[ 170.620416][ T1101] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.620741][ T1101] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.621194][ T1101] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.621426][ T1101] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.621855][ T1101] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.622208][ T1101] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.622520][ T1101] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 170.622842][ T1101] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 170.623226][ T1101] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 170.623530][ T1101] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 170.623857][ T1101] ? __kernel_text_address (kernel/extable.c:79) 
[ 170.624166][ T1101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.624475][ T1101] ? __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) 
[ 170.624790][ T1101] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 170.625173][ T1101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.625478][ T1101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.625791][ T1101] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 170.626096][ T1101] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 170.626400][ T1101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.626713][ T1101] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.627016][ T1101] ? __create_object (mm/kmemleak.c:771) 
[ 170.627343][ T1101] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 170.627662][ T1101] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 170.627966][ T1101] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 170.628343][ T1101] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 170.628661][ T1101] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.628972][ T1101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.629276][ T1101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.629586][ T1101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.629907][ T1101] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.630209][ T1101] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.630520][ T1101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.630830][ T1101] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.631136][ T1101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.631446][ T1101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.631765][ T1101] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.632072][ T1101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.632383][ T1101] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.632704][ T1101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.633008][ T1101] ? 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) 
[ 170.633313][ T1101] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 170.633628][ T1101] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.633930][ T1101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.634246][ T1101] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.634554][ T1101] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.634867][ T1101] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.635179][ T1101] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.635487][ T1101] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.635798][ T1101] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.636189][ T1101] ___sys_sendmsg (net/socket.c:2670) 
[ 170.636516][ T1101] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 170.636845][ T1101] ? __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) 
[ 170.637235][ T1101] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.637544][ T1101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.637858][ T1101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.638171][ T1101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.638478][ T1101] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 170.638790][ T1101] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.639107][ T1101] __sys_sendmsg (net/socket.c:2700) 
[ 170.639409][ T1101] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 170.639794][ T1101] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.640110][ T1101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.640414][ T1101] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.640728][ T1101] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.641103][ T1101] RIP: 0033:0x7fa7489d01e7
[ 170.641421][ T1101] 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)
[  170.642523][ T1101] RSP: 002b:00007ffc14141d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.642991][ T1101] RAX: ffffffffffffffda RBX: 00007ffc141424a0 RCX: 00007fa7489d01e7
[  170.643452][ T1101] RDX: 0000000000000000 RSI: 00007ffc14141de0 RDI: 0000000000000005
[  170.643916][ T1101] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  170.644370][ T1101] R10: 0000000023889910 R11: 0000000000000246 R12: 0000000000000004
[  170.644834][ T1101] R13: 00000000686e3ae8 R14: 0000000000499600 R15: 0000000000000000
| [  170.878517][ T1103] ------------[ cut here ]------------
| [ 170.878850][ T1103] WARNING: CPU: 3 PID: 1103 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) 
| [  170.879455][ T1103] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 cls_matchall ip_gre gre act_mirred act_gact act_police cls_flower sch_ingress vrf veth
| [  170.881180][ T1103] Tainted: [W]=WARN
[  170.881413][ T1103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.881800][ T1103] 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) 
[ 170.882114][ T1103] 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
[  170.883214][ T1103] RSP: 0018:ffffc9000163eef0 EFLAGS: 00010246
[  170.883614][ T1103] RAX: 0000000000000000 RBX: ffff88800c2ca000 RCX: 0000000000000001
[  170.884071][ T1103] RDX: 0000000000000000 RSI: ffffffffbb29b941 RDI: ffffffffbaa555e0
[  170.884527][ T1103] RBP: ffffc9000163efe0 R08: 0000000000000000 R09: 0000000000000000
[  170.884989][ T1103] R10: ffffc9000163f010 R11: ffffffffbc0a8918 R12: 1ffff920002c7de2
[  170.885458][ T1103] R13: 00000000000005dc R14: ffffc9000163f010 R15: ffff88800c2caf08
[  170.885922][ T1103] FS:  00007fd9f044d800(0000) GS:ffff888072237000(0000) knlGS:0000000000000000
[  170.886453][ T1103] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.886851][ T1103] CR2: 00000000004e5ab0 CR3: 0000000004e05001 CR4: 0000000000772ef0
[  170.887330][ T1103] PKRU: 55555554
[  170.887563][ T1103] Call Trace:
[  170.887801][ T1103]  <TASK>
[ 170.887959][ T1103] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.888263][ T1103] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.888576][ T1103] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.888886][ T1103] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.889267][ T1103] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.889580][ T1103] netif_set_mtu (net/core/dev.c:9652) 
[ 170.889896][ T1103] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.890213][ T1103] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 170.890656][ T1103] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.890895][ T1103] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 170.891314][ T1103] br_add_if (net/bridge/br_if.c:697) bridge 
[ 170.891685][ T1103] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.891996][ T1103] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 170.892308][ T1103] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 170.892705][ T1103] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 170.893013][ T1103] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 170.893318][ T1103] ? __kernel_text_address (kernel/extable.c:79) 
[ 170.893635][ T1103] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.893952][ T1103] ? __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) 
[ 170.894261][ T1103] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 170.894649][ T1103] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.894958][ T1103] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.895263][ T1103] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 170.895566][ T1103] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 170.895886][ T1103] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.896190][ T1103] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.896496][ T1103] ? __create_object (mm/kmemleak.c:771) 
[ 170.896831][ T1103] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 170.897151][ T1103] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 170.897456][ T1103] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 170.897841][ T1103] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 170.898152][ T1103] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.898461][ T1103] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.898785][ T1103] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.899099][ T1103] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.899403][ T1103] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.899761][ T1103] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.900282][ T1103] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.900800][ T1103] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.901302][ T1103] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.901811][ T1103] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.902344][ T1103] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.902863][ T1103] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.903404][ T1103] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.903993][ T1103] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.904475][ T1103] ? 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) 
[ 170.905011][ T1103] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 170.905564][ T1103] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.906134][ T1103] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.906707][ T1103] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.907261][ T1103] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.907797][ T1103] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.908360][ T1103] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.908924][ T1103] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.909468][ T1103] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.910194][ T1103] ___sys_sendmsg (net/socket.c:2670) 
[ 170.910751][ T1103] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 170.911297][ T1103] ? __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) 
[ 170.911991][ T1103] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.912551][ T1103] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.913129][ T1103] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.913711][ T1103] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.914238][ T1103] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 170.914777][ T1103] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.915339][ T1103] __sys_sendmsg (net/socket.c:2700) 
[ 170.915893][ T1103] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 170.916556][ T1103] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.917113][ T1103] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.917675][ T1103] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.918225][ T1103] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.918915][ T1103] RIP: 0033:0x7fd9f061a1e7
[ 170.919474][ T1103] 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)
[  170.921362][ T1103] RSP: 002b:00007ffe6fb14998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.922197][ T1103] RAX: ffffffffffffffda RBX: 00007ffe6fb150c0 RCX: 00007fd9f061a1e7
[  170.923034][ T1103] RDX: 0000000000000000 RSI: 00007ffe6fb14a00 RDI: 0000000000000005
[  170.923863][ T1103] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  170.924701][ T1103] R10: 0000000007a53910 R11: 0000000000000246 R12: 0000000000000004
[  170.925529][ T1103] R13: 00000000686e3ae8 R14: 0000000000499600 R15: 0000000000000000
| [  171.330827][ T1106] ------------[ cut here ]------------
| [ 171.331202][ T1106] WARNING: CPU: 2 PID: 1106 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) 
| [  171.331839][ T1106] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 cls_matchall ip_gre gre act_mirred act_gact act_police cls_flower sch_ingress vrf veth
| [  171.333406][ T1106] Tainted: [W]=WARN
[  171.333659][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.334060][ T1106] 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) 
[ 171.334389][ T1106] 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
[  171.335500][ T1106] RSP: 0018:ffffc900005b7000 EFLAGS: 00010246
[  171.335910][ T1106] RAX: 0000000000000000 RBX: ffff88800ef94000 RCX: 0000000000000001
[  171.336387][ T1106] RDX: 0000000000000000 RSI: ffffffffbb29b941 RDI: ffffffffbaa555e0
[  171.336867][ T1106] RBP: ffffc900005b70e8 R08: ffff88800ef94218 R09: 0000000000000000
[  171.337357][ T1106] R10: ffffc900005b7118 R11: ffffffffbb779160 R12: 1ffff920000b6e04
[  171.337836][ T1106] R13: 00000000000005b6 R14: ffffc900005b7118 R15: ffff88800ef94218
[  171.338312][ T1106] FS:  00007fa603b56800(0000) GS:ffff8880721b7000(0000) knlGS:0000000000000000
[  171.338867][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.339261][ T1106] CR2: 0000000000436890 CR3: 000000000cde7006 CR4: 0000000000772ef0
[  171.339740][ T1106] PKRU: 55555554
[  171.339983][ T1106] Call Trace:
[  171.340225][ T1106]  <TASK>
[ 171.340399][ T1106] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 171.340805][ T1106] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.341130][ T1106] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.341454][ T1106] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 171.341783][ T1106] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 171.342109][ T1106] netif_set_mtu (net/core/dev.c:9652) 
[ 171.342429][ T1106] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.342782][ T1106] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 171.343106][ T1106] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.343353][ T1106] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 171.343686][ T1106] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 171.344044][ T1106] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 171.344372][ T1106] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 171.344775][ T1106] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 171.345106][ T1106] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 171.345442][ T1106] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 171.345773][ T1106] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.346088][ T1106] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.346406][ T1106] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.346771][ T1106] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.347109][ T1106] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.347427][ T1106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.347785][ T1106] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.348131][ T1106] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.348486][ T1106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.348843][ T1106] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.349172][ T1106] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.349520][ T1106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.349864][ T1106] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.350207][ T1106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.350546][ T1106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.350894][ T1106] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.351217][ T1106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.351549][ T1106] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.351888][ T1106] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.352218][ T1106] ? 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) 
[ 171.352543][ T1106] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 171.352894][ T1106] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.353217][ T1106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.353540][ T1106] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.353876][ T1106] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.354190][ T1106] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.354515][ T1106] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.354843][ T1106] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.355160][ T1106] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.355561][ T1106] ___sys_sendmsg (net/socket.c:2670) 
[ 171.355893][ T1106] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.356213][ T1106] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.356535][ T1106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.356877][ T1106] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.357211][ T1106] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.357541][ T1106] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.357871][ T1106] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.358221][ T1106] __sys_sendmsg (net/socket.c:2700) 
[ 171.358568][ T1106] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.358916][ T1106] ? 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) 
[ 171.359261][ T1106] ? 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) 
[ 171.359608][ T1106] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.359943][ T1106] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.360267][ T1106] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.360698][ T1106] RIP: 0033:0x7fa603d231e7
[ 171.361053][ T1106] 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)
[  171.362451][ T1106] RSP: 002b:00007ffcb12c1848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.363186][ T1106] RAX: ffffffffffffffda RBX: 00007ffcb12c1f70 RCX: 00007fa603d231e7
[  171.363689][ T1106] RDX: 0000000000000000 RSI: 00007ffcb12c18b0 RDI: 0000000000000005
[  171.364183][ T1106] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000
[  171.364677][ T1106] R10: 00007fa603c1b6f8 R11: 0000000000000246 R12: 00007ffcb12c1f90


Finger prints:
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