======================================
| [   20.534696][  T318] ip_gre: GRE over IPv4 tunneling driver
| [   20.610202][  T317] ------------[ cut here ]------------
| [ 20.610722][ T317] WARNING: CPU: 2 PID: 317 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) 
| [   20.611409][  T317] Modules linked in: ip_gre gre sch_ingress vrf veth
[   20.612538][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.612985][ T317] 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) 
[ 20.613344][ T317] 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
[   20.614556][  T317] RSP: 0018:ffffc90000557000 EFLAGS: 00010246
[   20.615038][  T317] RAX: 0000000000000000 RBX: ffff888004d6c000 RCX: 0000000000000001
[   20.615551][  T317] RDX: 0000000000000000 RSI: ffffffffa569b941 RDI: ffffffffa4e555e0
[   20.616076][  T317] RBP: ffffc900005570e8 R08: ffff888004d6c218 R09: 0000000000000000
[   20.616590][  T317] R10: ffffc90000557118 R11: ffffffffa5b79160 R12: 1ffff920000aae04
[   20.617115][  T317] R13: 00000000000005b6 R14: ffffc90000557118 R15: ffff888004d6c218
[   20.617640][  T317] FS:  00007f99e7640800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[   20.618246][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.618691][  T317] CR2: 00007f6b52b6f000 CR3: 0000000005a3a003 CR4: 0000000000772ef0
[   20.619454][  T317] PKRU: 55555554
[   20.619720][  T317] Call Trace:
[   20.619993][  T317]  <TASK>
[ 20.620183][ T317] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.620610][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.620953][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.621304][ T317] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 20.621645][ T317] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.621998][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 20.622340][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.622689][ T317] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 20.623043][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.623305][ T317] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.623647][ T317] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.624232][ T317] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.624782][ T317] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.625501][ T317] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.626010][ T317] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.626423][ T317] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.626762][ T317] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.627109][ T317] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.627443][ T317] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.627781][ T317] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.628131][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.628471][ T317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.628826][ T317] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.629188][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.629526][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.629881][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.630227][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.630551][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.630893][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.631254][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.631598][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.631941][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.632294][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.632638][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.633001][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.633343][ T317] ? 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) 
[ 20.633695][ T317] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.634055][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.634381][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.634730][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.635069][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.635391][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.635735][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.636362][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.636686][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.637128][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 20.637463][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.637797][ T317] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.638150][ T317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.638704][ T317] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 20.639042][ T317] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.639584][ T317] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.639906][ T317] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 20.640257][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 20.640590][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.641166][ T317] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 20.641527][ T317] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 20.641860][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.642208][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.642768][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.643176][  T317] RIP: 0033:0x7f99e780d1e7
[ 20.643544][ T317] Code: Unable to access opcode bytes at 0x7f99e780d1bd.

Code starting with the faulting instruction
===========================================
[   20.644014][  T317] RSP: 002b:00007fff3a9aa608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.644502][  T317] RAX: ffffffffffffffda RBX: 00007fff3a9aad30 RCX: 00007f99e780d1e7
[   20.645002][  T317] RDX: 0000000000000000 RSI: 00007fff3a9aa670 RDI: 0000000000000005
[   20.645490][  T317] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[   20.646005][  T317] R10: 00007f99e77056f8 R11: 0000000000000246 R12: 00007fff3a9aad50
[   20.646485][  T317] R13: 00000000686e4454 R14: 0000000000499600 R15: 00007fff3a9aa75c
| [   23.647700][  T344] ------------[ cut here ]------------
| [ 23.648071][ T344] WARNING: CPU: 0 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) 
| [   23.648683][  T344] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   23.650418][  T344] Tainted: [W]=WARN
[   23.650666][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.651069][ 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) 
[ 23.651388][ 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
[   23.652497][  T344] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   23.652889][  T344] RAX: 0000000000000000 RBX: ffff888009672000 RCX: 0000000000000001
[   23.653362][  T344] RDX: 0000000000000000 RSI: ffffffffa569b941 RDI: ffffffffa4e555e0
[   23.653843][  T344] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.654312][  T344] R10: ffffc90000597010 R11: ffffffffa64a8918 R12: 1ffff920000b2de2
[   23.654790][  T344] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888009672f08
[   23.655253][  T344] FS:  00007fa85aa6c800(0000) GS:ffff888087cb7000(0000) knlGS:0000000000000000
[   23.656022][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.656423][  T344] CR2: 00000000004e5aa8 CR3: 000000000a955001 CR4: 0000000000772ef0
[   23.656903][  T344] PKRU: 55555554
[   23.657151][  T344] Call Trace:
[   23.657381][  T344]  <TASK>
[ 23.657540][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.657862][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.658224][ T344] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.658538][ T344] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.658926][ T344] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.659254][ T344] netif_set_mtu (net/core/dev.c:9652) 
[ 23.659562][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.659896][ T344] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.660348][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.660594][ T344] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.661037][ T344] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.661402][ T344] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.661723][ T344] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.662041][ T344] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.662445][ T344] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.662763][ T344] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.663099][ T344] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.663419][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.663738][ 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) 
[ 23.664098][ T344] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.664481][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.664792][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.665104][ T344] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.665413][ T344] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.665721][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.666034][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.666354][ T344] ? __create_object (mm/kmemleak.c:771) 
[ 23.666671][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.666996][ T344] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.667306][ T344] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.667709][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.668041][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.668364][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.668679][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.669011][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.669331][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.669646][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.669984][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.670311][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.670629][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.670952][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.671281][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.671606][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.671919][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.672247][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.672574][ 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) 
[ 23.672898][ T344] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.673232][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.673554][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.673883][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.674207][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.674524][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.674844][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.675169][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.675490][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.675900][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 23.676215][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.676523][ 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) 
[ 23.676923][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.677243][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.677556][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.677870][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.678186][ 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) 
[ 23.678506][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.678826][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 23.679149][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.679529][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.679857][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.680181][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.680487][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.680870][  T344] RIP: 0033:0x7fa85ac391e7
[ 23.681205][ 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)
[   23.682342][  T344] RSP: 002b:00007ffe9cd056e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.682825][  T344] RAX: ffffffffffffffda RBX: 00007ffe9cd05e10 RCX: 00007fa85ac391e7
[   23.683329][  T344] RDX: 0000000000000000 RSI: 00007ffe9cd05750 RDI: 0000000000000005
[   23.683796][  T344] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.684280][  T344] R10: 0000000024e90910 R11: 0000000000000246 R12: 0000000000000004
[   23.684750][  T344] R13: 00000000686e4457 R14: 0000000000499600 R15: 0000000000000000
| [   23.930576][  T346] ------------[ cut here ]------------
| [ 23.931212][ T346] WARNING: CPU: 1 PID: 346 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) 
| [   23.934075][  T346] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   23.936696][  T346] Tainted: [W]=WARN
[   23.937126][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.937814][ T346] 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) 
[ 23.938401][ T346] 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
[   23.940395][  T346] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   23.941120][  T346] RAX: 0000000000000000 RBX: ffff888009672000 RCX: 0000000000000001
[   23.941940][  T346] RDX: 0000000000000000 RSI: ffffffffa569b941 RDI: ffffffffa4e555e0
[   23.942807][  T346] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.943660][  T346] R10: ffffc90000597010 R11: ffffffffa64a8918 R12: 1ffff920000b2de2
[   23.944564][  T346] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888009672f08
[   23.945401][  T346] FS:  00007fc3ea6a3800(0000) GS:ffff888087d37000(0000) knlGS:0000000000000000
[   23.946356][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.947075][  T346] CR2: 00000000004e5ab0 CR3: 000000000b9f7005 CR4: 0000000000772ef0
[   23.947906][  T346] PKRU: 55555554
[   23.948332][  T346] Call Trace:
[   23.948748][  T346]  <TASK>
[ 23.949055][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.949602][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.950191][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.950745][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.951453][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.952045][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 23.952573][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.953173][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.953943][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.954386][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.955164][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.955812][ T346] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.956398][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.956957][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.957608][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.958189][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.958731][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.959312][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.959888][ T346] ? __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) 
[ 23.960466][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.961169][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.961691][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.962266][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.962814][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.963382][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.963999][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.964557][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 23.965129][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.965681][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.966276][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.966965][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.967556][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.968349][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.968915][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.969495][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.970089][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.970625][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.971199][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.971745][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.972338][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.972907][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.973495][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.974112][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.974662][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.975248][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.975793][ T346] ? 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) 
[ 23.976381][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.976931][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.977481][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.978073][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.978631][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.979185][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.979735][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.980311][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.980855][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.981583][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 23.982174][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.982722][ T346] ? __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) 
[ 23.983428][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.984006][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.984549][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.985133][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.985689][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.986269][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.986838][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 23.987400][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.988098][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.988685][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.989268][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.989820][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.990548][  T346] RIP: 0033:0x7fc3ea8701e7
[ 23.991146][ T346] 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)
[   23.993099][  T346] RSP: 002b:00007ffd4358f938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.993942][  T346] RAX: ffffffffffffffda RBX: 00007ffd43590060 RCX: 00007fc3ea8701e7
[   23.994441][  T346] RDX: 0000000000000000 RSI: 00007ffd4358f9a0 RDI: 0000000000000005
[   23.994920][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.995391][  T346] R10: 000000002ffe0910 R11: 0000000000000246 R12: 0000000000000004
[   23.995857][  T346] R13: 00000000686e4457 R14: 0000000000499600 R15: 0000000000000000
| [   24.402995][  T349] ------------[ cut here ]------------
| [ 24.403364][ T349] WARNING: CPU: 0 PID: 349 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) 
| [   24.404015][  T349] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   24.405381][  T349] Tainted: [W]=WARN
[   24.405635][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.406046][ T349] 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) 
[ 24.406370][ T349] 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
[   24.407540][  T349] RSP: 0018:ffffc90000567000 EFLAGS: 00010246
[   24.407938][  T349] RAX: 0000000000000000 RBX: ffff888008609000 RCX: 0000000000000001
[   24.408410][  T349] RDX: 0000000000000000 RSI: ffffffffa569b941 RDI: ffffffffa4e555e0
[   24.408880][  T349] RBP: ffffc900005670e8 R08: ffff888008609218 R09: 0000000000000000
[   24.409352][  T349] R10: ffffc90000567118 R11: ffffffffa5b79160 R12: 1ffff920000ace04
[   24.409818][  T349] R13: 00000000000005b6 R14: ffffc90000567118 R15: ffff888008609218
[   24.410291][  T349] FS:  00007fe261aaf800(0000) GS:ffff888087cb7000(0000) knlGS:0000000000000000
[   24.410841][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.411235][  T349] CR2: 0000000000436890 CR3: 000000000bef9001 CR4: 0000000000772ef0
[   24.411706][  T349] PKRU: 55555554
[   24.411934][  T349] Call Trace:
[   24.412169][  T349]  <TASK>
[ 24.412331][ T349] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.412719][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.413044][ T349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.413357][ T349] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 24.413675][ T349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.414029][ T349] netif_set_mtu (net/core/dev.c:9652) 
[ 24.414342][ T349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.414662][ T349] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 24.414987][ T349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.415217][ T349] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.415532][ T349] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.415854][ T349] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.416174][ T349] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.416569][ T349] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.416887][ T349] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.417204][ T349] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.417515][ T349] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.417833][ T349] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.418160][ T349] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.418477][ T349] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.418800][ T349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.419127][ T349] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.419439][ T349] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.419770][ T349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.420091][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.420413][ T349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.420721][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.421037][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.421355][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.421664][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.422002][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.422318][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.422640][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.422952][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.423287][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.423608][ T349] ? 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) 
[ 24.423938][ T349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.424254][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.424559][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.424870][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.425192][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.425500][ T349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.425815][ T349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.426146][ T349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.426454][ T349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.426857][ T349] ___sys_sendmsg (net/socket.c:2670) 
[ 24.427175][ T349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.427487][ T349] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 24.427801][ T349] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.428112][ T349] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 24.428426][ T349] ? __handle_mm_fault (mm/memory.c:6212) 
[ 24.428744][ T349] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 24.429057][ T349] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 24.429380][ T349] __sys_sendmsg (net/socket.c:2700) 
[ 24.429695][ T349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.430016][ T349] ? 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) 
[ 24.430334][ T349] ? 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) 
[ 24.430644][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.430954][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.431271][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.431659][  T349] RIP: 0033:0x7fe261c7c1e7
[ 24.431993][ T349] 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)
[   24.433121][  T349] RSP: 002b:00007ffecc625a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.433612][  T349] RAX: ffffffffffffffda RBX: 00007ffecc6261a0 RCX: 00007fe261c7c1e7
[   24.434355][  T349] RDX: 0000000000000000 RSI: 00007ffecc625ae0 RDI: 0000000000000005
[   24.435112][  T349] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000
[   24.436060][  T349] R10: 00007fe261b746f8 R11: 0000000000000246 R12: 00007ffecc6261c0
[   24.436550][  T349] R13: 00000000686e4458 R14: 0000000000499600 R15: 00007ffecc625bc8
| [   26.495531][  T370] ------------[ cut here ]------------
| [ 26.495866][ T370] WARNING: CPU: 2 PID: 370 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.496516][  T370] Modules linked in: 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   26.498013][  T370] Tainted: [W]=WARN
[   26.498259][  T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.498660][ T370] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.499013][ T370] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.500127][  T370] RSP: 0018:ffffc90000796ef0 EFLAGS: 00010246
[   26.500532][  T370] RAX: 0000000000000000 RBX: ffff888009672000 RCX: 0000000000000001
[   26.501022][  T370] RDX: 0000000000000000 RSI: ffffffffa569b941 RDI: ffffffffa4e555e0
[   26.501494][  T370] RBP: ffffc90000796fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.501969][  T370] R10: ffffc90000797010 R11: ffffffffa64a8918 R12: 1ffff920000f2de2
[   26.502453][  T370] R13: 00000000000005dc R14: ffffc90000797010 R15: ffff888009672f08
[   26.502930][  T370] FS:  00007f1af940f800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[   26.503491][  T370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.503902][  T370] CR2: 00000000004e5ac0 CR3: 00000000099b9004 CR4: 0000000000772ef0
[   26.504389][  T370] PKRU: 55555554
[   26.504633][  T370] Call Trace:
[   26.504874][  T370]  <TASK>
[ 26.505058][ T370] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.505384][ T370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.505711][ T370] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.506136][ T370] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.506548][ T370] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.506882][ T370] netif_set_mtu (net/core/dev.c:9652) 
[ 26.507229][ T370] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.507582][ T370] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.508070][ T370] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.508333][ T370] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.508785][ T370] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.509186][ T370] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.509534][ T370] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.509871][ T370] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.510328][ T370] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.510667][ T370] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.511012][ T370] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.511334][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.511657][ T370] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 26.511988][ T370] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.512399][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.512740][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.513085][ T370] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.513421][ T370] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.513740][ T370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.514087][ T370] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.514410][ T370] ? __create_object (mm/kmemleak.c:771) 
[ 26.514733][ T370] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.515065][ T370] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.515391][ T370] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.515784][ T370] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.516120][ T370] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.516447][ T370] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.516765][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.517101][ T370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.517421][ T370] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.517740][ T370] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.518082][ T370] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.518404][ T370] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.518727][ T370] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.519070][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.519398][ T370] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.519714][ T370] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.520045][ T370] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.520383][ T370] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.520702][ T370] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.521035][ T370] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.521360][ T370] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.521678][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.522021][ T370] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.522342][ T370] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.522666][ T370] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.523015][ T370] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.523343][ T370] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.523662][ T370] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.524095][ T370] ___sys_sendmsg (net/socket.c:2670) 
[ 26.524417][ T370] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.524741][ T370] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 26.525154][ T370] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.525479][ T370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.525800][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.526137][ T370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.526457][ T370] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.526774][ T370] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.527109][ T370] __sys_sendmsg (net/socket.c:2700) 
[ 26.527426][ T370] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.527821][ T370] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.528166][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.528486][ T370] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.528852][ T370] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.529264][  T370] RIP: 0033:0x7f1af95dc1e7
[ 26.529595][ T370] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.530728][  T370] RSP: 002b:00007ffcc9c58308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.531216][  T370] RAX: ffffffffffffffda RBX: 00007ffcc9c58a30 RCX: 00007f1af95dc1e7
[   26.531692][  T370] RDX: 0000000000000000 RSI: 00007ffcc9c58370 RDI: 0000000000000005
[   26.532186][  T370] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.532657][  T370] R10: 000000003ca8b910 R11: 0000000000000246 R12: 0000000000000004
[   26.533146][  T370] R13: 00000000686e445a R14: 0000000000499600 R15: 0000000000000000
| [  315.169107][ T1546] ------------[ cut here ]------------
| [ 315.169465][ T1546] WARNING: CPU: 2 PID: 1546 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) 
| [  315.170108][ T1546] 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
| [  315.171997][ T1546] Tainted: [W]=WARN
[  315.172245][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 315.172641][ T1546] 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) 
[ 315.172970][ T1546] 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
[  315.174107][ T1546] RSP: 0018:ffffc900027cef70 EFLAGS: 00010246
[  315.174525][ T1546] RAX: 0000000000000000 RBX: ffff888009672000 RCX: 0000000000000001
[  315.175007][ T1546] RDX: 0000000000000000 RSI: ffffffffa569b941 RDI: ffffffffa4e555e0
[  315.175479][ T1546] RBP: ffffc900027cf058 R08: 0000000000000000 R09: 0000000000000000
[  315.175959][ T1546] R10: ffffc900027cf088 R11: ffffffffa1a00130 R12: 1ffff920004f9df2
[  315.176685][ T1546] R13: 00000000000005dc R14: ffffc900027cf088 R15: ffff888009672f08
[  315.177318][ T1546] FS:  00007f1c2fab3800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[  315.177968][ T1546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  315.178390][ T1546] CR2: 00000000004e5ab0 CR3: 000000000f8ae005 CR4: 0000000000772ef0
[  315.178863][ T1546] PKRU: 55555554
[  315.179119][ T1546] Call Trace:
[  315.179363][ T1546]  <TASK>
[ 315.179536][ T1546] ? __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) 
[ 315.179938][ T1546] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 315.180315][ T1546] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 315.180637][ T1546] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 315.180990][ T1546] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 315.181315][ T1546] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 315.181637][ T1546] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 315.181955][ T1546] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 315.182293][ T1546] ? ___sys_sendmsg (net/socket.c:2670) 
[ 315.182612][ T1546] ? __sys_sendmsg (net/socket.c:2700) 
[ 315.182928][ T1546] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 315.183261][ T1546] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 315.183663][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.184005][ T1546] netif_set_mtu (net/core/dev.c:9652) 
[ 315.184344][ T1546] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 315.184680][ T1546] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 315.184926][ T1546] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 315.185387][ T1546] br_del_if (net/bridge/br_if.c:743) bridge 
[ 315.185743][ T1546] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 315.186087][ T1546] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 315.186414][ T1546] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 315.186740][ T1546] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 315.187156][ T1546] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 315.187478][ T1546] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 315.187798][ T1546] ? __kernel_text_address (kernel/extable.c:79) 
[ 315.188135][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.188463][ T1546] ? __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) 
[ 315.188785][ T1546] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 315.189200][ T1546] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 315.189534][ T1546] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 315.189852][ T1546] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 315.190182][ T1546] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 315.190501][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.190829][ T1546] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 315.191159][ T1546] ? __create_object (mm/kmemleak.c:771) 
[ 315.191490][ T1546] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 315.191817][ T1546] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 315.192161][ T1546] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 315.192561][ T1546] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 315.192889][ T1546] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 315.193227][ T1546] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 315.193556][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.193912][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.194281][ T1546] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 315.194604][ T1546] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 315.194950][ T1546] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 315.195282][ T1546] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 315.195612][ T1546] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 315.195932][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.196294][ T1546] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 315.196620][ T1546] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 315.196940][ T1546] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 315.197285][ T1546] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 315.197603][ T1546] ? 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) 
[ 315.197921][ T1546] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 315.198260][ T1546] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 315.198586][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.198915][ T1546] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 315.199251][ T1546] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 315.199574][ T1546] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 315.199901][ T1546] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 315.200292][ T1546] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 315.200625][ T1546] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 315.201058][ T1546] ___sys_sendmsg (net/socket.c:2670) 
[ 315.201375][ T1546] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 315.201693][ T1546] ? __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) 
[ 315.202114][ T1546] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 315.202438][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.202756][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.203092][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.203413][ T1546] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 315.203732][ T1546] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 315.204068][ T1546] __sys_sendmsg (net/socket.c:2700) 
[ 315.204399][ T1546] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 315.204793][ T1546] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 315.205142][ T1546] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 315.205463][ T1546] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 315.205792][ T1546] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  315.206197][ T1546] RIP: 0033:0x7f1c2fc801e7
[ 315.206529][ T1546] 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)
[  315.207637][ T1546] RSP: 002b:00007fff41e5ecf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  315.208140][ T1546] RAX: ffffffffffffffda RBX: 00007fff41e5f420 RCX: 00007f1c2fc801e7
[  315.208618][ T1546] RDX: 0000000000000000 RSI: 00007fff41e5ed60 RDI: 0000000000000005
[  315.209107][ T1546] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  315.209625][ T1546] R10: 00007f1c2fb7dee8 R11: 0000000000000246 R12: 0000000000000003
[  315.210111][ T1546] R13: 00000000686e457a R14: 0000000000499600 R15: 0000000000000000
| [  315.341687][ T1547] ------------[ cut here ]------------
| [ 315.342025][ T1547] WARNING: CPU: 1 PID: 1547 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) 
| [  315.342641][ T1547] 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
| [  315.344341][ T1547] Tainted: [W]=WARN
[  315.344669][ T1547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 315.345392][ T1547] 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) 
[ 315.345748][ T1547] 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
[  315.347072][ T1547] RSP: 0018:ffffc900027cef70 EFLAGS: 00010246
[  315.347478][ T1547] RAX: 0000000000000000 RBX: ffff888009672000 RCX: 0000000000000001
[  315.347933][ T1547] RDX: 0000000000000000 RSI: ffffffffa569b941 RDI: ffffffffa4e555e0
[  315.348606][ T1547] RBP: ffffc900027cf058 R08: 0000000000000000 R09: 0000000000000000
[  315.349233][ T1547] R10: ffffc900027cf088 R11: ffffffffa5b79160 R12: 1ffff920004f9df2
[  315.349711][ T1547] R13: 00000000000005dc R14: ffffc900027cf088 R15: ffff888009672f08
[  315.350393][ T1547] FS:  00007f8bc97f7800(0000) GS:ffff888087d37000(0000) knlGS:0000000000000000
[  315.350926][ T1547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  315.351524][ T1547] CR2: 00000000004e5ac0 CR3: 000000001031e001 CR4: 0000000000772ef0
[  315.352149][ T1547] PKRU: 55555554
[  315.352396][ T1547] Call Trace:
[  315.352624][ T1547]  <TASK>
[ 315.352777][ T1547] ? __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) 
[ 315.353360][ T1547] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 315.353717][ T1547] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 315.354197][ T1547] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 315.354622][ T1547] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 315.355076][ T1547] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 315.355389][ T1547] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 315.355693][ T1547] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 315.356019][ T1547] ? ___sys_sendmsg (net/socket.c:2670) 
[ 315.356329][ T1547] ? __sys_sendmsg (net/socket.c:2700) 
[ 315.356636][ T1547] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 315.356950][ T1547] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 315.357343][ T1547] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.357665][ T1547] netif_set_mtu (net/core/dev.c:9652) 
[ 315.358007][ T1547] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 315.358332][ T1547] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 315.358563][ T1547] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 315.358999][ T1547] br_del_if (net/bridge/br_if.c:743) bridge 
[ 315.359343][ T1547] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 315.359651][ T1547] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 315.359960][ T1547] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 315.360291][ T1547] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 315.360677][ T1547] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 315.360992][ T1547] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 315.361297][ T1547] ? __kernel_text_address (kernel/extable.c:79) 
[ 315.361612][ T1547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.361923][ T1547] ? __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) 
[ 315.362239][ T1547] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 315.362620][ T1547] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 315.362927][ T1547] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 315.363238][ T1547] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 315.363546][ T1547] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 315.363860][ T1547] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.364192][ T1547] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 315.364499][ T1547] ? __create_object (mm/kmemleak.c:771) 
[ 315.364809][ T1547] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 315.365126][ T1547] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 315.365432][ T1547] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 315.365813][ T1547] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 315.366136][ T1547] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 315.366455][ T1547] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 315.366759][ T1547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.367083][ T1547] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.367389][ T1547] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 315.367688][ T1547] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 315.368019][ T1547] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 315.368325][ T1547] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 315.368628][ T1547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 315.368946][ T1547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.369271][ T1547] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 315.369579][ T1547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 315.369883][ T1547] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 315.370214][ T1547] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 315.370518][ T1547] ? 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) 
[ 315.370824][ T1547] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 315.371152][ T1547] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 315.371456][ T1547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.371762][ T1547] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 315.372095][ T1547] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 315.372405][ T1547] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 315.372717][ T1547] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 315.373040][ T1547] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 315.373382][ T1547] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 315.373777][ T1547] ___sys_sendmsg (net/socket.c:2670) 
[ 315.374093][ T1547] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 315.374465][ T1547] ? __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) 
[ 315.374848][ T1547] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 315.375166][ T1547] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.375476][ T1547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.375838][ T1547] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.376174][ T1547] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 315.376488][ T1547] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 315.376801][ T1547] __sys_sendmsg (net/socket.c:2700) 
[ 315.377122][ T1547] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 315.377510][ T1547] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 315.377828][ T1547] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 315.378155][ T1547] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 315.378468][ T1547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  315.378845][ T1547] RIP: 0033:0x7f8bc99c41e7
[ 315.379171][ T1547] 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)
[  315.380288][ T1547] RSP: 002b:00007ffd89a7bef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  315.380763][ T1547] RAX: ffffffffffffffda RBX: 00007ffd89a7c620 RCX: 00007f8bc99c41e7
[  315.381235][ T1547] RDX: 0000000000000000 RSI: 00007ffd89a7bf60 RDI: 0000000000000005
[  315.381696][ T1547] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  315.382165][ T1547] R10: 00007f8bc98c1ee8 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