======================================
| [   20.579626][  T316] ip_gre: GRE over IPv4 tunneling driver
| [   20.632549][  T315] ------------[ cut here ]------------
| [ 20.633516][ T315] WARNING: CPU: 2 PID: 315 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) 
| [   20.634215][  T315] Modules linked in: ip_gre gre sch_ingress vrf veth
[   20.635259][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.635692][ T315] 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) 
[ 20.636031][ T315] 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
[   20.637161][  T315] RSP: 0018:ffffc90000597000 EFLAGS: 00010246
[   20.637886][  T315] RAX: 0000000000000000 RBX: ffff88800bb19000 RCX: 0000000000000001
[   20.638368][  T315] RDX: 0000000000000000 RSI: ffffffffa589b941 RDI: ffffffffa50555e0
[   20.638870][  T315] RBP: ffffc900005970e8 R08: ffff88800bb19218 R09: 0000000000000000
[   20.639373][  T315] R10: ffffc90000597118 R11: ffffffffa5d79160 R12: 1ffff920000b2e04
[   20.639864][  T315] R13: 00000000000005b6 R14: ffffc90000597118 R15: ffff88800bb19218
[   20.640343][  T315] FS:  00007ff90796f800(0000) GS:ffff88808e9b7000(0000) knlGS:0000000000000000
[   20.640943][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.641357][  T315] CR2: 0000558ecdde6eb8 CR3: 00000000092f0003 CR4: 0000000000772ef0
[   20.641851][  T315] PKRU: 55555554
[   20.642107][  T315] Call Trace:
[   20.642363][  T315]  <TASK>
[ 20.642542][ T315] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.642959][ T315] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.643297][ T315] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.643629][ T315] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 20.643962][ T315] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.644301][ T315] netif_set_mtu (net/core/dev.c:9652) 
[ 20.644630][ T315] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.644994][ T315] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 20.645320][ T315] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.645581][ T315] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.645919][ T315] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.646247][ T315] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.646576][ T315] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.646979][ T315] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.647310][ T315] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.647639][ T315] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.647959][ T315] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.648279][ T315] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.648612][ T315] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.648942][ T315] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.649341][ T315] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.649681][ T315] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.650005][ T315] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.650340][ T315] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.650673][ T315] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.651010][ T315] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.651329][ T315] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.651673][ T315] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.651996][ T315] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.652324][ T315] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.652658][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.652986][ T315] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.653318][ T315] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.653658][ T315] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.653992][ T315] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.654312][ T315] ? 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) 
[ 20.654644][ T315] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.654969][ T315] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.655285][ T315] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.655637][ T315] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.655965][ T315] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.656571][ T315] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.656928][ T315] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.657492][ T315] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.657826][ T315] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.658234][ T315] ___sys_sendmsg (net/socket.c:2670) 
[ 20.658559][ T315] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.658887][ T315] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.659223][ T315] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.659541][ T315] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 20.659879][ T315] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.660200][ T315] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.660747][ T315] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 20.661327][ T315] __sys_sendmsg (net/socket.c:2700) 
[ 20.661656][ T315] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.661974][ T315] ? irqentry_exit (kernel/entry/common.c:311) 
[ 20.662301][ T315] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:638 ./include/linux/cpumask.h:1197 ./include/trace/events/preemptirq.h:40) 
[ 20.662752][ T315] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.663078][ T315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.663472][  T315] RIP: 0033:0x7ff907b3c1e7
[ 20.664075][ T315] Code: Unable to access opcode bytes at 0x7ff907b3c1bd.

Code starting with the faulting instruction
===========================================
[   20.664507][  T315] RSP: 002b:00007ffec037aad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.665004][  T315] RAX: ffffffffffffffda RBX: 00007ffec037b200 RCX: 00007ff907b3c1e7
[   20.665768][  T315] RDX: 0000000000000000 RSI: 00007ffec037ab40 RDI: 0000000000000005
[   20.666249][  T315] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[   20.666732][  T315] R10: 00007ff907a346f8 R11: 0000000000000246 R12: 00007ffec037b220
[   20.667434][  T315] R13: 00000000686e4823 R14: 0000000000499600 R15: 00007ffec037ac2c
| [   23.531497][  T342] ------------[ cut here ]------------
| [ 23.531910][ T342] WARNING: CPU: 2 PID: 342 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) 
| [   23.532537][  T342] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   23.534105][  T342] Tainted: [W]=WARN
[   23.534358][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.534781][ T342] 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) 
[ 23.535144][ T342] 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
[   23.536574][  T342] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   23.537040][  T342] RAX: 0000000000000000 RBX: ffff88800aa2a000 RCX: 0000000000000001
[   23.537519][  T342] RDX: 0000000000000000 RSI: ffffffffa589b941 RDI: ffffffffa50555e0
[   23.538043][  T342] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.538522][  T342] R10: ffffc900005b7010 R11: ffffffffa66a8918 R12: 1ffff920000b6de2
[   23.539037][  T342] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff88800aa2af08
[   23.539505][  T342] FS:  00007fbbc75a7800(0000) GS:ffff88808e9b7000(0000) knlGS:0000000000000000
[   23.540088][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.540490][  T342] CR2: 00000000004e5aa8 CR3: 00000000050fb005 CR4: 0000000000772ef0
[   23.541000][  T342] PKRU: 55555554
[   23.541247][  T342] Call Trace:
[   23.541511][  T342]  <TASK>
[ 23.541696][ T342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.542042][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.542400][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.542736][ T342] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.543245][ T342] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.543577][ T342] netif_set_mtu (net/core/dev.c:9652) 
[ 23.543918][ T342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.544273][ T342] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.544736][ T342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.544989][ T342] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.545440][ T342] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.545835][ T342] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.546198][ T342] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.546522][ T342] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.546935][ T342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.547276][ T342] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.547615][ T342] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.547950][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.548333][ T342] ? __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) 
[ 23.548675][ T342] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.549078][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.549426][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.549756][ T342] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.550081][ T342] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.550422][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.550753][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.551079][ T342] ? __create_object (mm/kmemleak.c:771) 
[ 23.551418][ T342] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.551755][ T342] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.552082][ T342] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.552490][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.552827][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.553150][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.553487][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.553824][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.554151][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.554483][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.554816][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.555164][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.555561][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.555902][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.556235][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.556572][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.556908][ T342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.557240][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.557573][ T342] ? 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) 
[ 23.557905][ T342] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.558228][ T342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.558572][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.558907][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.559231][ T342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.559566][ T342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.559907][ T342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.560231][ T342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.560589][ T342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.561014][ T342] ___sys_sendmsg (net/socket.c:2670) 
[ 23.561331][ T342] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.561685][ T342] ? __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) 
[ 23.562081][ T342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.562402][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.562756][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.563082][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.563438][ T342] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.563814][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.564144][ T342] __sys_sendmsg (net/socket.c:2700) 
[ 23.564457][ T342] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.564892][ T342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.565221][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.565554][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.565902][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.566302][  T342] RIP: 0033:0x7fbbc77741e7
[ 23.566649][ T342] 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)
[   23.567798][  T342] RSP: 002b:00007ffc826b1b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.568278][  T342] RAX: ffffffffffffffda RBX: 00007ffc826b2250 RCX: 00007fbbc77741e7
[   23.568774][  T342] RDX: 0000000000000000 RSI: 00007ffc826b1b90 RDI: 0000000000000005
[   23.569246][  T342] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.569729][  T342] R10: 000000003636b910 R11: 0000000000000246 R12: 0000000000000004
[   23.570215][  T342] R13: 00000000686e4826 R14: 0000000000499600 R15: 0000000000000000
| [   23.829124][  T344] ------------[ cut here ]------------
| [ 23.829567][ T344] WARNING: CPU: 2 PID: 344 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.831165][  T344] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   23.833232][  T344] Tainted: [W]=WARN
[   23.833569][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.834143][ T344] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.834744][ T344] 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
[   23.835945][  T344] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   23.836351][  T344] RAX: 0000000000000000 RBX: ffff88800aa2a000 RCX: 0000000000000001
[   23.836837][  T344] RDX: 0000000000000000 RSI: ffffffffa589b941 RDI: ffffffffa50555e0
[   23.837312][  T344] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.837799][  T344] R10: ffffc900005c7010 R11: ffffffffa66a8918 R12: 1ffff920000b8de2
[   23.838269][  T344] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff88800aa2af08
[   23.838755][  T344] FS:  00007f02d2963800(0000) GS:ffff88808e9b7000(0000) knlGS:0000000000000000
[   23.839304][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.839714][  T344] CR2: 00000000004e5ab0 CR3: 000000000938e002 CR4: 0000000000772ef0
[   23.840186][  T344] PKRU: 55555554
[   23.840427][  T344] Call Trace:
[   23.840683][  T344]  <TASK>
[ 23.840860][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.841188][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.841546][ T344] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.841883][ T344] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.842281][ T344] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.842612][ T344] netif_set_mtu (net/core/dev.c:9652) 
[ 23.842935][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.843267][ T344] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.843715][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.843961][ T344] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.844388][ T344] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.844758][ T344] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.845086][ T344] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.845410][ T344] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.845841][ T344] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.846164][ T344] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.846480][ T344] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.846816][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.847136][ T344] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.847456][ T344] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.847861][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.848182][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.848502][ T344] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.848829][ T344] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.849151][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.849476][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.849802][ T344] ? __create_object (mm/kmemleak.c:771) 
[ 23.850121][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.850442][ T344] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.850768][ T344] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.851158][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.851479][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.851817][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.852132][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.852464][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.852792][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.853114][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.853432][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.853762][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.854079][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.854402][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.854734][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.855056][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.855381][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.855736][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.856051][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.856374][ T344] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.856711][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.857029][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.857356][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.857694][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.858017][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.858342][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.858681][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.859002][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.859405][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 23.859733][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.860060][ T344] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.860454][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.860789][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.861114][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.861436][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.861772][ T344] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.862092][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.862448][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 23.862797][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.863191][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.863523][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.863855][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.864180][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.864571][  T344] RIP: 0033:0x7f02d2b301e7
[ 23.864912][ T344] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.866058][  T344] RSP: 002b:00007fff80178648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.866537][  T344] RAX: ffffffffffffffda RBX: 00007fff80178d70 RCX: 00007f02d2b301e7
[   23.867017][  T344] RDX: 0000000000000000 RSI: 00007fff801786b0 RDI: 0000000000000005
[   23.867494][  T344] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.867975][  T344] R10: 0000000017500910 R11: 0000000000000246 R12: 0000000000000004
[   23.868442][  T344] R13: 00000000686e4826 R14: 0000000000499600 R15: 0000000000000000
| [   24.297335][  T347] ------------[ cut here ]------------
| [ 24.297813][ T347] WARNING: CPU: 2 PID: 347 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.298474][  T347] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   24.299893][  T347] Tainted: [W]=WARN
[   24.300154][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.300556][ T347] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.300897][ T347] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.302025][  T347] RSP: 0018:ffffc900005f7000 EFLAGS: 00010246
[   24.302554][  T347] RAX: 0000000000000000 RBX: ffff88800519c000 RCX: 0000000000000001
[   24.303049][  T347] RDX: 0000000000000000 RSI: ffffffffa589b941 RDI: ffffffffa50555e0
[   24.303652][  T347] RBP: ffffc900005f70e8 R08: ffff88800519c218 R09: 0000000000000000
[   24.304181][  T347] R10: ffffc900005f7118 R11: ffffffffa5d79160 R12: 1ffff920000bee04
[   24.304831][  T347] R13: 00000000000005b6 R14: ffffc900005f7118 R15: ffff88800519c218
[   24.305317][  T347] FS:  00007f4436791800(0000) GS:ffff88808e9b7000(0000) knlGS:0000000000000000
[   24.306120][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.306626][  T347] CR2: 00007f4436891130 CR3: 000000000938e004 CR4: 0000000000772ef0
[   24.307127][  T347] PKRU: 55555554
[   24.307373][  T347] Call Trace:
[   24.307643][  T347]  <TASK>
[ 24.307819][ T347] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.308340][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.308783][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.309182][ T347] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 24.309530][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.309967][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 24.310387][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.310803][ T347] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 24.311162][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.311502][ T347] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.311840][ T347] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.312267][ T347] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.312687][ T347] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.313096][ T347] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.313521][ T347] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.313888][ T347] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.314295][ T347] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.314625][ T347] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.315042][ T347] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.315488][ T347] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.315835][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.316167][ T347] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.316502][ T347] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.316843][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.317181][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.317551][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.317888][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.318315][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.318652][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.319100][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.319427][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.319771][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.320138][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.320559][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.320909][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.321242][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.321566][ T347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.321906][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.322244][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.322566][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.322897][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.323236][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.323560][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.323896][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.324228][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.324645][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 24.324979][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.325385][ T347] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 24.325820][ T347] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.326221][ T347] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 24.326665][ T347] ? __handle_mm_fault (mm/memory.c:6212) 
[ 24.327162][ T347] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 24.327725][ T347] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 24.328328][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 24.328912][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.329386][ T347] ? 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) 
[ 24.329726][ T347] ? 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) 
[ 24.330072][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.330393][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.330720][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.331127][  T347] RIP: 0033:0x7f443695e1e7
[ 24.331454][ T347] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.332576][  T347] RSP: 002b:00007ffed6ae8208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.333062][  T347] RAX: ffffffffffffffda RBX: 00007ffed6ae8930 RCX: 00007f443695e1e7
[   24.333539][  T347] RDX: 0000000000000000 RSI: 00007ffed6ae8270 RDI: 0000000000000005
[   24.334012][  T347] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000
[   24.334508][  T347] R10: 00007f44368566f8 R11: 0000000000000246 R12: 00007ffed6ae8950
[   24.334982][  T347] R13: 00000000686e4826 R14: 0000000000499600 R15: 00007ffed6ae8358
| [   25.003927][  T354] ------------[ cut here ]------------
| [ 25.004251][ T354] WARNING: CPU: 1 PID: 354 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.004875][  T354] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   25.006260][  T354] Tainted: [W]=WARN
[   25.006492][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.006884][ T354] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.007202][ T354] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.008311][  T354] RSP: 0018:ffffc90000696ef0 EFLAGS: 00010246
[   25.008987][  T354] RAX: 0000000000000000 RBX: ffff88800aa2a000 RCX: 0000000000000001
[   25.009456][  T354] RDX: 0000000000000000 RSI: ffffffffa589b941 RDI: ffffffffa50555e0
[   25.009931][  T354] RBP: ffffc90000696fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.010401][  T354] R10: ffffc90000697010 R11: ffffffffa66a8918 R12: 1ffff920000d2de2
[   25.010876][  T354] R13: 00000000000005dc R14: ffffc90000697010 R15: ffff88800aa2af08
[   25.011338][  T354] FS:  00007fada5a8d800(0000) GS:ffff88808e937000(0000) knlGS:0000000000000000
[   25.011886][  T354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.012279][  T354] CR2: 00000000004e5ac0 CR3: 000000000bb7c003 CR4: 0000000000772ef0
[   25.012749][  T354] PKRU: 55555554
[   25.012980][  T354] Call Trace:
[   25.013213][  T354]  <TASK>
[ 25.013374][ T354] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.013694][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.014011][ T354] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.014318][ T354] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.014743][ T354] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.015055][ T354] netif_set_mtu (net/core/dev.c:9652) 
[ 25.015362][ T354] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.015712][ T354] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.016136][ T354] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.016369][ T354] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.016792][ T354] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.017144][ T354] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.017459][ T354] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.017781][ T354] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.018173][ T354] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.018482][ T354] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.018797][ T354] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.019116][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.019425][ T354] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.019743][ T354] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.020121][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.020429][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.020748][ T354] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.021056][ T354] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.021363][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.021685][ T354] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.021988][ T354] ? __create_object (mm/kmemleak.c:771) 
[ 25.022298][ T354] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.022614][ T354] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.022920][ T354] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.023302][ T354] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.023625][ T354] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.023943][ T354] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.024249][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.024562][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.024879][ T354] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.025183][ T354] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.025502][ T354] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.025823][ T354] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.026133][ T354] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.026448][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.026768][ T354] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.027074][ T354] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.027385][ T354] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.027711][ T354] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.028014][ T354] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.028320][ T354] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.028641][ T354] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.028946][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.029255][ T354] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.029562][ T354] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.029879][ T354] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.030194][ T354] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.030505][ T354] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.030831][ T354] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.031222][ T354] ___sys_sendmsg (net/socket.c:2670) 
[ 25.031523][ T354] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.031839][ T354] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.032222][ T354] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.032530][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.032849][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.033170][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.033476][ T354] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.033790][ T354] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.034104][ T354] __sys_sendmsg (net/socket.c:2700) 
[ 25.034405][ T354] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.034794][ T354] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.035112][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.035419][ T354] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.035752][ T354] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.036131][  T354] RIP: 0033:0x7fada5c5a1e7
[ 25.036447][ T354] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.037547][  T354] RSP: 002b:00007ffe4bbb8158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.038026][  T354] RAX: ffffffffffffffda RBX: 00007ffe4bbb8880 RCX: 00007fada5c5a1e7
[   25.038484][  T354] RDX: 0000000000000000 RSI: 00007ffe4bbb81c0 RDI: 0000000000000005
[   25.038949][  T354] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.039405][  T354] R10: 0000000008a1c910 R11: 0000000000000246 R12: 0000000000000004
[   25.039876][  T354] R13: 00000000686e4827 R14: 0000000000499600 R15: 0000000000000000
| [   74.744907][  T587] ------------[ cut here ]------------
| [ 74.745267][ T587] WARNING: CPU: 0 PID: 587 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) 
| [   74.746699][  T587] 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
| [   74.748290][  T587] Tainted: [W]=WARN
[   74.748535][  T587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.748949][ T587] 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) 
[ 74.749289][ T587] 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
[   74.750419][  T587] RSP: 0018:ffffc9000103ef70 EFLAGS: 00010246
[   74.750815][  T587] RAX: 0000000000000000 RBX: ffff88800aa2a000 RCX: 0000000000000001
[   74.751271][  T587] RDX: 0000000000000000 RSI: ffffffffa589b941 RDI: ffffffffa50555e0
[   74.751742][  T587] RBP: ffffc9000103f058 R08: 0000000000000000 R09: 0000000000000000
[   74.752200][  T587] R10: ffffc9000103f088 R11: ffffffffa1c00130 R12: 1ffff92000207df2
[   74.752662][  T587] R13: 00000000000005dc R14: ffffc9000103f088 R15: ffff88800aa2af08
[   74.753119][  T587] FS:  00007f8cd254c800(0000) GS:ffff88808e8b7000(0000) knlGS:0000000000000000
[   74.753673][  T587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.754070][  T587] CR2: 00000000004e5ac0 CR3: 000000000b773003 CR4: 0000000000772ef0
[   74.754530][  T587] PKRU: 55555554
[   74.754767][  T587] Call Trace:
[   74.755000][  T587]  <TASK>
[ 74.755155][ T587] ? __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) 
[ 74.755550][ T587] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 74.755902][ T587] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 74.756228][ T587] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.756548][ T587] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.756877][ T587] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 74.757201][ T587] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.757518][ T587] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.757857][ T587] ? ___sys_sendmsg (net/socket.c:2670) 
[ 74.758175][ T587] ? __sys_sendmsg (net/socket.c:2700) 
[ 74.758481][ T587] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.758792][ T587] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 74.759178][ T587] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.759492][ T587] netif_set_mtu (net/core/dev.c:9652) 
[ 74.759807][ T587] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.760132][ T587] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.760362][ T587] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 74.760783][ T587] br_del_if (net/bridge/br_if.c:743) bridge 
[ 74.761121][ T587] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 74.761426][ T587] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 74.761750][ T587] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.762063][ T587] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.762446][ T587] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.762757][ T587] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.763060][ T587] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.763372][ T587] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.763686][ T587] ? __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) 
[ 74.763990][ T587] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.764368][ T587] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.764699][ T587] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.764998][ T587] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.765302][ T587] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.765644][ T587] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.765951][ T587] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.766261][ T587] ? __create_object (mm/kmemleak.c:771) 
[ 74.766573][ T587] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.766887][ T587] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.767202][ T587] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.767589][ T587] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.767909][ T587] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.768225][ T587] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.768530][ T587] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.768848][ T587] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.769158][ T587] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.769461][ T587] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.769788][ T587] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.770101][ T587] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.770406][ T587] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.770726][ T587] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.771045][ T587] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.771349][ T587] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.771662][ T587] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.771978][ T587] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.772280][ T587] ? 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) 
[ 74.772589][ T587] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 74.772904][ T587] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.773207][ T587] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.773517][ T587] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.773848][ T587] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.774157][ T587] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.774477][ T587] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.774793][ T587] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.775105][ T587] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.775493][ T587] ___sys_sendmsg (net/socket.c:2670) 
[ 74.775812][ T587] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.776115][ T587] ? __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) 
[ 74.776492][ T587] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.776806][ T587] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.777114][ T587] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.777426][ T587] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.777747][ T587] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.778053][ T587] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.778363][ T587] __sys_sendmsg (net/socket.c:2700) 
[ 74.778677][ T587] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.779058][ T587] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.779376][ T587] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.779697][ T587] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.780004][ T587] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.780378][  T587] RIP: 0033:0x7f8cd27191e7
[ 74.780704][ T587] 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)
[   74.781811][  T587] RSP: 002b:00007fffc69f3958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.782276][  T587] RAX: ffffffffffffffda RBX: 00007fffc69f4080 RCX: 00007f8cd27191e7
[   74.782741][  T587] RDX: 0000000000000000 RSI: 00007fffc69f39c0 RDI: 0000000000000005
[   74.783197][  T587] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   74.783659][  T587] R10: 00007f8cd2616ee8 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