======================================
| [   87.731758][ T1036] ip_gre: GRE over IPv4 tunneling driver
| [   87.775362][ T1035] ------------[ cut here ]------------
| [ 87.775810][ T1035] WARNING: CPU: 3 PID: 1035 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) 
| [   87.776388][ T1035] Modules linked in: ip_gre gre cls_u32 sch_htb
[   87.777311][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 87.777898][ T1035] 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) 
[ 87.778202][ T1035] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   87.779226][ T1035] RSP: 0018:ffffc900004f78e0 EFLAGS: 00010246
[   87.779597][ T1035] RAX: 0000000000000000 RBX: ffff88800e5d9000 RCX: 0000000000000001
[   87.780025][ T1035] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[   87.780461][ T1035] RBP: ffffc900004f79c8 R08: ffff88800e5d9218 R09: 0000000000000000
[   87.780894][ T1035] R10: ffffc900004f79f8 R11: ffffffffa158d1e0 R12: 1ffff9200009ef20
[   87.781316][ T1035] R13: 00000000000005c4 R14: ffffc900004f79f8 R15: ffffffffa40feb80
[   87.781748][ T1035] FS:  00007f6f1979c800(0000) GS:ffff8880c9f19000(0000) knlGS:0000000000000000
[   87.782439][ T1035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.782800][ T1035] CR2: 000055bba5dfc000 CR3: 000000000b294006 CR4: 0000000000772ef0
[   87.783229][ T1035] PKRU: 55555554
[   87.783451][ T1035] Call Trace:
[   87.783666][ T1035]  <TASK>
[ 87.783813][ T1035] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 87.784172][ T1035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 87.784469][ T1035] ? rtmsg_ifinfo (net/core/rtnetlink.c:4445 net/core/rtnetlink.c:4443) 
[ 87.784761][ T1035] netif_set_mtu (net/core/dev.c:9652) 
[ 87.785045][ T1035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 87.785348][ T1035] ? cap_capable (security/commoncap.c:132) 
[ 87.785644][ T1035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 87.785863][ T1035] ip_tunnel_ctl (net/ipv4/ip_tunnel.c:344 net/ipv4/ip_tunnel.c:944) 
[ 87.786150][ T1035] ipgre_tunnel_ctl (net/ipv4/ip_gre.c:839) ip_gre 
[ 87.786452][ T1035] ip_tunnel_siocdevprivate (net/ipv4/ip_tunnel.c:1061) 
[ 87.786737][ T1035] ? __pfx_ip_tunnel_siocdevprivate (net/ipv4/ip_tunnel.c:1055) 
[ 87.787083][ T1035] ? __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) 
[ 87.787369][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.787667][ T1035] dev_ifsioc (net/core/dev_ioctl.c:521 net/core/dev_ioctl.c:633) 
[ 87.787954][ T1035] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 87.788237][ T1035] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 87.788536][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.788818][ T1035] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 87.789101][ T1035] ? cap_capable (security/commoncap.c:132) 
[ 87.789384][ T1035] ? trace_cap_capable (./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/capability.h:26) 
[ 87.789679][ T1035] dev_ioctl (net/core/dev_ioctl.c:851) 
[ 87.789896][ T1035] sock_ioctl (net/socket.c:1284) 
[ 87.790113][ T1035] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 87.790396][ T1035] ? fd_install (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 fs/file.c:661) 
[ 87.790699][ T1035] ? __pfx___sys_socket (net/socket.c:1727) 
[ 87.790988][ T1035] __x64_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 87.791276][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 87.791568][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   87.791965][ T1035] RIP: 0033:0x7f6f1995ce4b
[ 87.792265][ T1035] Code: Unable to access opcode bytes at 0x7f6f1995ce21.

Code starting with the faulting instruction
===========================================
[   87.792641][ T1035] RSP: 002b:00007ffdd4764cc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[   87.793077][ T1035] RAX: ffffffffffffffda RBX: 00000000000089f1 RCX: 00007f6f1995ce4b
[   87.793511][ T1035] RDX: 00007ffdd4764cd0 RSI: 00000000000089f1 RDI: 0000000000000006
[   87.793937][ T1035] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000000
[   87.794361][ T1035] R10: 00007f6f1986ad70 R11: 0000000000000202 R12: 00007ffdd4764f20
[   87.794796][ T1035] R13: 00007ffdd4764cd0 R14: 00007ffdd47659b7 R15: 0000000000000000
| [   90.286961][ T1076] ------------[ cut here ]------------
| [ 90.287449][ T1076] WARNING: CPU: 3 PID: 1076 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) 
| [   90.288054][ T1076] Modules linked in: ip_gre gre cls_u32 sch_htb
| [   90.290798][ T1076] Tainted: [W]=WARN
[   90.291042][ T1076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.291434][ T1076] 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) 
[ 90.291747][ T1076] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   90.292835][ T1076] RSP: 0018:ffffc900005b7000 EFLAGS: 00010246
[   90.293219][ T1076] RAX: 0000000000000000 RBX: ffff8880056d9000 RCX: 0000000000000001
[   90.293678][ T1076] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[   90.294134][ T1076] RBP: ffffc900005b70e8 R08: ffff8880056d9218 R09: 0000000000000000
[   90.294612][ T1076] R10: ffffc900005b7118 R11: ffffffffa158d1e0 R12: 1ffff920000b6e04
[   90.295064][ T1076] R13: 00000000000005ae R14: ffffc900005b7118 R15: ffff8880056d9218
[   90.295536][ T1076] FS:  00007f75a9a23800(0000) GS:ffff8880c9f19000(0000) knlGS:0000000000000000
[   90.296069][ T1076] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.296461][ T1076] CR2: 00000000004200f0 CR3: 0000000011f65003 CR4: 0000000000772ef0
[   90.296918][ T1076] PKRU: 55555554
[   90.297146][ T1076] Call Trace:
[   90.297372][ T1076]  <TASK>
[ 90.297532][ T1076] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 90.298037][ T1076] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.298346][ T1076] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 90.298667][ T1076] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 90.298974][ T1076] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 90.299289][ T1076] netif_set_mtu (net/core/dev.c:9652) 
[ 90.299598][ T1076] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 90.299914][ T1076] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 90.300220][ T1076] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 90.300458][ T1076] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 90.300763][ T1076] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 90.301073][ T1076] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 90.301383][ T1076] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 90.301771][ T1076] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 90.302085][ T1076] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 90.302392][ T1076] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 90.302709][ T1076] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 90.303008][ T1076] ? __dev_get_by_name (net/core/dev.c:865) 
[ 90.303313][ T1076] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 90.303623][ T1076] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 90.303932][ T1076] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 90.304233][ T1076] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 90.304552][ T1076] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 90.304888][ T1076] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 90.305212][ T1076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.305539][ T1076] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 90.305839][ T1076] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.306143][ T1076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.306454][ T1076] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 90.306759][ T1076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.307070][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.307377][ T1076] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 90.307689][ T1076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.307995][ T1076] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 90.308310][ T1076] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 90.308620][ T1076] ? 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) 
[ 90.308926][ T1076] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 90.309235][ T1076] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 90.309544][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.309856][ T1076] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 90.310163][ T1076] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 90.310476][ T1076] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 90.310787][ T1076] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 90.311091][ T1076] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 90.311393][ T1076] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 90.311796][ T1076] ___sys_sendmsg (net/socket.c:2670) 
[ 90.312103][ T1076] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 90.312414][ T1076] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 90.312725][ T1076] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 90.312959][ T1076] ? __handle_mm_fault (mm/memory.c:6212) 
[ 90.313260][ T1076] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 90.313574][ T1076] ? mt_find (lib/maple_tree.c:6938) 
[ 90.313822][ T1076] __sys_sendmsg (net/socket.c:2700) 
[ 90.314126][ T1076] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 90.314441][ T1076] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 90.314754][ T1076] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 90.315059][ T1076] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.315372][ T1076] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 90.315684][ T1076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   90.316065][ T1076] RIP: 0033:0x7f75a9bf01e7
[ 90.316377][ T1076] 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)
[   90.317472][ T1076] RSP: 002b:00007fff7dd1b0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   90.317934][ T1076] RAX: ffffffffffffffda RBX: 00007fff7dd1b810 RCX: 00007f75a9bf01e7
[   90.318386][ T1076] RDX: 0000000000000000 RSI: 00007fff7dd1b140 RDI: 0000000000000005
[   90.318849][ T1076] RBP: 0000000000000007 R08: 00000000000000b4 R09: 0000000000000000
[   90.319304][ T1076] R10: 00007f75a9ae86f8 R11: 0000000000000246 R12: 00007fff7dd1b830
[   90.319779][ T1076] R13: 00000000686e2863 R14: 0000000000499600 R15: 00007fff7dd1b230
| [   90.896080][ T1084] ------------[ cut here ]------------
| [ 90.896447][ T1084] WARNING: CPU: 0 PID: 1084 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) 
| [   90.897053][ T1084] Modules linked in: ip_gre gre cls_u32 sch_htb
| [   90.898099][ T1084] Tainted: [W]=WARN
[   90.898330][ T1084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.898720][ T1084] 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) 
[ 90.899034][ T1084] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   90.900150][ T1084] RSP: 0018:ffffc900005f7000 EFLAGS: 00010246
[   90.900547][ T1084] RAX: 0000000000000000 RBX: ffff88800cfc4000 RCX: 0000000000000001
[   90.901003][ T1084] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[   90.901475][ T1084] RBP: ffffc900005f70e8 R08: ffff88800cfc4218 R09: 0000000000000000
[   90.901937][ T1084] R10: ffffc900005f7118 R11: 24ce4854cac90a05 R12: 1ffff920000bee04
[   90.902395][ T1084] R13: 00000000000005b6 R14: ffffc900005f7118 R15: ffff88800cfc4218
[   90.902861][ T1084] FS:  00007f4d44751800(0000) GS:ffff8880c9d99000(0000) knlGS:0000000000000000
[   90.903393][ T1084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.903788][ T1084] CR2: 0000000000436890 CR3: 0000000011f69001 CR4: 0000000000772ef0
[   90.904248][ T1084] PKRU: 55555554
[   90.904483][ T1084] Call Trace:
[   90.904710][ T1084]  <TASK>
[ 90.904866][ T1084] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.905186][ T1084] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 90.905514][ T1084] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 90.905820][ T1084] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 90.906137][ T1084] netif_set_mtu (net/core/dev.c:9652) 
[ 90.906453][ T1084] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 90.906773][ T1084] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 90.907078][ T1084] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 90.907310][ T1084] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 90.907624][ T1084] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 90.907930][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.908239][ T1084] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 90.908559][ T1084] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 90.908938][ T1084] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 90.909252][ T1084] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 90.909576][ T1084] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 90.909885][ T1084] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 90.910186][ T1084] ? __dev_get_by_name (net/core/dev.c:865) 
[ 90.910501][ T1084] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 90.910806][ T1084] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 90.911116][ T1084] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 90.911427][ T1084] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 90.911738][ T1084] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 90.912053][ T1084] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 90.912362][ T1084] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.912686][ T1084] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 90.912993][ T1084] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.913301][ T1084] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.913620][ T1084] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 90.913933][ T1084] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.914242][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.914561][ T1084] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 90.914867][ T1084] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.915180][ T1084] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 90.915509][ T1084] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 90.915811][ T1084] ? 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) 
[ 90.916118][ T1084] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 90.916433][ T1084] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 90.916734][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.917041][ T1084] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 90.917350][ T1084] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 90.917673][ T1084] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 90.917988][ T1084] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 90.918294][ T1084] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 90.918605][ T1084] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 90.918996][ T1084] ___sys_sendmsg (net/socket.c:2670) 
[ 90.919307][ T1084] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 90.919619][ T1084] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 90.919926][ T1084] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 90.920228][ T1084] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 90.920545][ T1084] ? __handle_mm_fault (mm/memory.c:6212) 
[ 90.920846][ T1084] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 90.921144][ T1084] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 90.921482][ T1084] __sys_sendmsg (net/socket.c:2700) 
[ 90.921790][ T1084] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 90.922092][ T1084] ? 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) 
[ 90.922401][ T1084] ? 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) 
[ 90.922722][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.923026][ T1084] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 90.923328][ T1084] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   90.923715][ T1084] RIP: 0033:0x7f4d4491e1e7
[ 90.924030][ T1084] 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)
[   90.925125][ T1084] RSP: 002b:00007ffca0d41218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   90.925604][ T1084] RAX: ffffffffffffffda RBX: 00007ffca0d41950 RCX: 00007f4d4491e1e7
[   90.926062][ T1084] RDX: 0000000000000000 RSI: 00007ffca0d41280 RDI: 0000000000000005
[   90.926522][ T1084] RBP: 0000000000000001 R08: 0000000000000048 R09: 0000000000000000
[   90.926974][ T1084] R10: 00007f4d448166f8 R11: 0000000000000246 R12: 00007ffca0d41970
[   90.927436][ T1084] R13: 00000000686e2864 R14: 0000000000499600 R15: 00007ffca0d41370
| [   94.832678][ T1131] ------------[ cut here ]------------
| [ 94.833088][ T1131] WARNING: CPU: 3 PID: 1131 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) 
| [   94.833703][ T1131] Modules linked in: ip6_gre ip_gre gre cls_u32 sch_htb
| [   94.834725][ T1131] Tainted: [W]=WARN
[   94.834958][ T1131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 94.835358][ T1131] 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) 
[ 94.835681][ T1131] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   94.836776][ T1131] RSP: 0018:ffffc90000587000 EFLAGS: 00010246
[   94.837161][ T1131] RAX: 0000000000000000 RBX: ffff8880092f4000 RCX: 0000000000000001
[   94.837626][ T1131] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[   94.838081][ T1131] RBP: ffffc900005870e8 R08: ffff8880092f4218 R09: 0000000000000000
[   94.838544][ T1131] R10: ffffc90000587118 R11: ffffffffa158d1e0 R12: 1ffff920000b0e04
[   94.838998][ T1131] R13: 00000000000005aa R14: ffffc90000587118 R15: ffff8880092f4218
[   94.839460][ T1131] FS:  00007f268f655800(0000) GS:ffff8880c9f19000(0000) knlGS:0000000000000000
[   94.839996][ T1131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.840382][ T1131] CR2: 00000000004200f0 CR3: 000000000e7e2002 CR4: 0000000000772ef0
[   94.840850][ T1131] PKRU: 55555554
[   94.841078][ T1131] Call Trace:
[   94.841305][ T1131]  <TASK>
[ 94.841466][ T1131] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 94.841843][ T1131] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.842149][ T1131] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 94.842470][ T1131] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 94.842777][ T1131] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 94.843088][ T1131] netif_set_mtu (net/core/dev.c:9652) 
[ 94.843390][ T1131] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 94.843718][ T1131] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 94.844020][ T1131] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 94.844259][ T1131] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 94.844572][ T1131] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 94.844876][ T1131] ? ipgre_netlink_parms (net/ipv4/ip_gre.c:1197) ip_gre 
[ 94.845274][ T1131] erspan_newlink (net/ipv4/ip_gre.c:1436 (discriminator 4)) ip_gre 
[ 94.845589][ T1131] ? __pfx_erspan_newlink (net/ipv4/ip_gre.c:1422) ip_gre 
[ 94.845966][ T1131] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 94.846283][ T1131] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 94.846601][ T1131] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 94.846910][ T1131] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 94.847210][ T1131] ? __dev_get_by_name (net/core/dev.c:865) 
[ 94.847525][ T1131] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 94.847878][ T1131] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 94.848187][ T1131] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 94.848497][ T1131] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 94.848806][ T1131] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 94.849122][ T1131] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 94.849439][ T1131] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.849756][ T1131] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 94.850059][ T1131] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.850369][ T1131] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.850680][ T1131] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 94.850986][ T1131] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.851293][ T1131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.851607][ T1131] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 94.851909][ T1131] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.852214][ T1131] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 94.852541][ T1131] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 94.852843][ T1131] ? 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) 
[ 94.853148][ T1131] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 94.853462][ T1131] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 94.853765][ T1131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.854073][ T1131] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 94.854380][ T1131] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 94.854699][ T1131] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 94.855010][ T1131] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 94.855324][ T1131] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 94.855633][ T1131] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 94.856022][ T1131] ___sys_sendmsg (net/socket.c:2670) 
[ 94.856330][ T1131] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 94.856640][ T1131] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 94.856953][ T1131] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 94.857186][ T1131] ? __handle_mm_fault (mm/memory.c:6212) 
[ 94.857498][ T1131] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 94.857801][ T1131] ? mt_find (lib/maple_tree.c:6938) 
[ 94.858047][ T1131] __sys_sendmsg (net/socket.c:2700) 
[ 94.858353][ T1131] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 94.858675][ T1131] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 94.858991][ T1131] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 94.859295][ T1131] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.859609][ T1131] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 94.859913][ T1131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   94.860287][ T1131] RIP: 0033:0x7f268f8221e7
[ 94.860607][ T1131] 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)
[   94.861702][ T1131] RSP: 002b:00007ffcb7c01ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   94.862160][ T1131] RAX: ffffffffffffffda RBX: 00007ffcb7c023e0 RCX: 00007f268f8221e7
[   94.862622][ T1131] RDX: 0000000000000000 RSI: 00007ffcb7c01d10 RDI: 0000000000000005
[   94.863081][ T1131] RBP: 000000000000000b R08: 00000000000000c4 R09: 0000000000000000
[   94.863541][ T1131] R10: 00007f268f71a6f8 R11: 0000000000000246 R12: 00007ffcb7c02400
[   94.863993][ T1131] R13: 00000000686e2868 R14: 0000000000499600 R15: 00007ffcb7c01e00
| [   95.419867][ T1139] ------------[ cut here ]------------
| [ 95.420272][ T1139] WARNING: CPU: 1 PID: 1139 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) 
| [   95.420904][ T1139] Modules linked in: ip6_gre ip_gre gre cls_u32 sch_htb
| [   95.421919][ T1139] Tainted: [W]=WARN
[   95.422149][ T1139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 95.422533][ T1139] 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) 
[ 95.422850][ T1139] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   95.423935][ T1139] RSP: 0018:ffffc900005b7000 EFLAGS: 00010246
[   95.424317][ T1139] RAX: 0000000000000000 RBX: ffff88800bf41000 RCX: 0000000000000001
[   95.424776][ T1139] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[   95.425245][ T1139] RBP: ffffc900005b70e8 R08: ffff88800bf41218 R09: 0000000000000000
[   95.425850][ T1139] R10: ffffc900005b7118 R11: ffffffffa158d1e0 R12: 1ffff920000b6e04
[   95.426304][ T1139] R13: 00000000000005a6 R14: ffffc900005b7118 R15: ffff88800bf41218
[   95.426791][ T1139] FS:  00007f30f0f5d800(0000) GS:ffff8880c9e19000(0000) knlGS:0000000000000000
[   95.427325][ T1139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.427714][ T1139] CR2: 00000000004200f0 CR3: 0000000009a05002 CR4: 0000000000772ef0
[   95.428172][ T1139] PKRU: 55555554
[   95.428398][ T1139] Call Trace:
[   95.428630][ T1139]  <TASK>
[ 95.428783][ T1139] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 95.429166][ T1139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.429483][ T1139] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 95.429796][ T1139] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 95.430101][ T1139] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 95.430423][ T1139] netif_set_mtu (net/core/dev.c:9652) 
[ 95.430724][ T1139] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 95.431038][ T1139] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 95.431342][ T1139] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 95.431584][ T1139] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 95.431889][ T1139] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 95.432192][ T1139] ? ipgre_netlink_parms (net/ipv4/ip_gre.c:1197) ip_gre 
[ 95.432586][ T1139] erspan_newlink (net/ipv4/ip_gre.c:1436 (discriminator 4)) ip_gre 
[ 95.432893][ T1139] ? __pfx_erspan_newlink (net/ipv4/ip_gre.c:1422) ip_gre 
[ 95.433269][ T1139] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 95.433596][ T1139] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 95.433904][ T1139] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 95.434211][ T1139] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 95.434520][ T1139] ? __dev_get_by_name (net/core/dev.c:865) 
[ 95.434825][ T1139] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 95.435131][ T1139] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 95.435449][ T1139] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 95.435757][ T1139] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 95.436073][ T1139] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 95.436381][ T1139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 95.436713][ T1139] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 95.437015][ T1139] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 95.437321][ T1139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 95.437635][ T1139] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 95.437947][ T1139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 95.438254][ T1139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.438578][ T1139] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 95.438880][ T1139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 95.439184][ T1139] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 95.439520][ T1139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 95.439821][ T1139] ? 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) 
[ 95.440124][ T1139] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 95.440439][ T1139] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 95.440748][ T1139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.441058][ T1139] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 95.441363][ T1139] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 95.441679][ T1139] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 95.441994][ T1139] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 95.442302][ T1139] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 95.442610][ T1139] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 95.443008][ T1139] ___sys_sendmsg (net/socket.c:2670) 
[ 95.443312][ T1139] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 95.443621][ T1139] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 95.443928][ T1139] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 95.444162][ T1139] ? __handle_mm_fault (mm/memory.c:6212) 
[ 95.444474][ T1139] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 95.444774][ T1139] ? mt_find (lib/maple_tree.c:6938) 
[ 95.445025][ T1139] __sys_sendmsg (net/socket.c:2700) 
[ 95.445342][ T1139] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 95.445653][ T1139] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 95.445965][ T1139] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 95.446270][ T1139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 95.446584][ T1139] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 95.446887][ T1139] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   95.447270][ T1139] RIP: 0033:0x7f30f112a1e7
[ 95.447590][ T1139] 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)
[   95.448679][ T1139] RSP: 002b:00007ffd921f3a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   95.449140][ T1139] RAX: ffffffffffffffda RBX: 00007ffd921f41d0 RCX: 00007f30f112a1e7
[   95.449613][ T1139] RDX: 0000000000000000 RSI: 00007ffd921f3b00 RDI: 0000000000000005
[   95.450064][ T1139] RBP: 000000000000000d R08: 00000000000000cc R09: 0000000000000000
[   95.450526][ T1139] R10: 00007f30f10226f8 R11: 0000000000000246 R12: 00007ffd921f41f0
[   95.450980][ T1139] R13: 00000000686e2868 R14: 0000000000499600 R15: 00007ffd921f3bf0
| [   96.009093][ T1147] ------------[ cut here ]------------
| [ 96.009570][ T1147] WARNING: CPU: 2 PID: 1147 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) 
| [   96.010205][ T1147] Modules linked in: ip6_gre ip_gre gre cls_u32 sch_htb
| [   96.011321][ T1147] Tainted: [W]=WARN
[   96.011580][ T1147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.011979][ T1147] 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) 
[ 96.012310][ T1147] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   96.013448][ T1147] RSP: 0018:ffffc900005c7000 EFLAGS: 00010246
[   96.013857][ T1147] RAX: 0000000000000000 RBX: ffff888007e61000 RCX: 0000000000000001
[   96.014333][ T1147] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[   96.014824][ T1147] RBP: ffffc900005c70e8 R08: ffff888007e61218 R09: 0000000000000000
[   96.015309][ T1147] R10: ffffc900005c7118 R11: c19b4e1045c3e6ec R12: 1ffff920000b8e04
[   96.015796][ T1147] R13: 00000000000005aa R14: ffffc900005c7118 R15: ffff888007e61218
[   96.016269][ T1147] FS:  00007fa6608d5800(0000) GS:ffff8880c9e99000(0000) knlGS:0000000000000000
[   96.016834][ T1147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.017240][ T1147] CR2: 0000000000436890 CR3: 000000000a4bd003 CR4: 0000000000772ef0
[   96.017735][ T1147] PKRU: 55555554
[   96.017988][ T1147] Call Trace:
[   96.018232][ T1147]  <TASK>
[ 96.018413][ T1147] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.018741][ T1147] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.019075][ T1147] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 96.019396][ T1147] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 96.019738][ T1147] netif_set_mtu (net/core/dev.c:9652) 
[ 96.020060][ T1147] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 96.020395][ T1147] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 96.020727][ T1147] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 96.020977][ T1147] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 96.021301][ T1147] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 96.021651][ T1147] ? ipgre_netlink_parms (net/ipv4/ip_gre.c:1181) ip_gre 
[ 96.022064][ T1147] erspan_newlink (net/ipv4/ip_gre.c:1436 (discriminator 4)) ip_gre 
[ 96.022390][ T1147] ? __pfx_erspan_newlink (net/ipv4/ip_gre.c:1422) ip_gre 
[ 96.022801][ T1147] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 96.023133][ T1147] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 96.023467][ T1147] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 96.023800][ T1147] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 96.024118][ T1147] ? __dev_get_by_name (net/core/dev.c:865) 
[ 96.024449][ T1147] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 96.024772][ T1147] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 96.025096][ T1147] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.025446][ T1147] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 96.025776][ T1147] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 96.026108][ T1147] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.026454][ T1147] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.026795][ T1147] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.027114][ T1147] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.027449][ T1147] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.027768][ T1147] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.028091][ T1147] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.028425][ T1147] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.028754][ T1147] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.029079][ T1147] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.029426][ T1147] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.029768][ T1147] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.030089][ T1147] ? 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) 
[ 96.030419][ T1147] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.030747][ T1147] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.031071][ T1147] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.031398][ T1147] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.031734][ T1147] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.032057][ T1147] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.032386][ T1147] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.032741][ T1147] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.033064][ T1147] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.033494][ T1147] ___sys_sendmsg (net/socket.c:2670) 
[ 96.033824][ T1147] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.034147][ T1147] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 96.034482][ T1147] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 96.034804][ T1147] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 96.035135][ T1147] ? __handle_mm_fault (mm/memory.c:6212) 
[ 96.035467][ T1147] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 96.035789][ T1147] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 96.036130][ T1147] __sys_sendmsg (net/socket.c:2700) 
[ 96.036460][ T1147] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.036781][ T1147] ? 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) 
[ 96.037108][ T1147] ? 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) 
[ 96.037451][ T1147] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.037783][ T1147] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.038111][ T1147] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.038515][ T1147] RIP: 0033:0x7fa660aa21e7
[ 96.038846][ T1147] 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)
[   96.040001][ T1147] RSP: 002b:00007ffc41085528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.040504][ T1147] RAX: ffffffffffffffda RBX: 00007ffc41085c60 RCX: 00007fa660aa21e7
[   96.040985][ T1147] RDX: 0000000000000000 RSI: 00007ffc41085590 RDI: 0000000000000005
[   96.041469][ T1147] RBP: 0000000000000001 R08: 0000000000000048 R09: 0000000000000000
[   96.041939][ T1147] R10: 00007fa66099a6f8 R11: 0000000000000246 R12: 00007ffc41085c80
[   96.042427][ T1147] R13: 00000000686e2869 R14: 0000000000499600 R15: 00007ffc41085680
| [   99.432881][ T1187] ------------[ cut here ]------------
| [ 99.433186][ T1187] WARNING: CPU: 1 PID: 1187 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) 
| [   99.433781][ T1187] Modules linked in: ip6_gre ip_gre gre cls_u32 sch_htb
| [   99.434824][ T1187] Tainted: [W]=WARN
[   99.435052][ T1187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.435445][ T1187] 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) 
[ 99.435754][ T1187] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   99.436816][ T1187] RSP: 0018:ffffc90000946ef0 EFLAGS: 00010246
[   99.437198][ T1187] RAX: 0000000000000000 RBX: ffff88800c7ea000 RCX: 0000000000000001
[   99.437653][ T1187] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[   99.438105][ T1187] RBP: ffffc90000946fd8 R08: 0000000000000000 R09: 0000000000000000
[   99.438556][ T1187] R10: ffffc90000947008 R11: ffffffffa1eceab8 R12: 1ffff92000128de2
[   99.439001][ T1187] R13: 00000000000005dc R14: ffffc90000947008 R15: ffff88800c7eaf48
[   99.439466][ T1187] FS:  00007eff9b28b800(0000) GS:ffff8880c9e19000(0000) knlGS:0000000000000000
[   99.439990][ T1187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.440372][ T1187] CR2: 00000000004e5db0 CR3: 000000000eb9d003 CR4: 0000000000772ef0
[   99.440829][ T1187] PKRU: 55555554
[   99.441054][ T1187] Call Trace:
[   99.441278][ T1187]  <TASK>
[ 99.441438][ T1187] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 99.441738][ T1187] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 99.442034][ T1187] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 99.442399][ T1187] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 99.442708][ T1187] netif_set_mtu (net/core/dev.c:9652) 
[ 99.443001][ T1187] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 99.443311][ T1187] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 99.443705][ T1187] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 99.443932][ T1187] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 99.444236][ T1187] br_add_if (net/bridge/br_if.c:697) 
[ 99.444479][ T1187] do_set_master (net/core/rtnetlink.c:2948) 
[ 99.444780][ T1187] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 99.445080][ T1187] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 99.445477][ T1187] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 99.445772][ T1187] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 99.446066][ T1187] ? __kernel_text_address (kernel/extable.c:79) 
[ 99.446365][ T1187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.446672][ T1187] ? __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) 
[ 99.446968][ T1187] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 99.447341][ T1187] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.447657][ T1187] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.447955][ T1187] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 99.448258][ T1187] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 99.448560][ T1187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.448856][ T1187] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 99.449148][ T1187] ? __create_object (mm/kmemleak.c:771) 
[ 99.449452][ T1187] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 99.449747][ T1187] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 99.450041][ T1187] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 99.450421][ T1187] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 99.450723][ T1187] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 99.451022][ T1187] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 99.451315][ T1187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.451633][ T1187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.451928][ T1187] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 99.452221][ T1187] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 99.452541][ T1187] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 99.452841][ T1187] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 99.453138][ T1187] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 99.453444][ T1187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.453743][ T1187] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 99.454037][ T1187] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 99.454334][ T1187] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 99.454649][ T1187] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 99.454948][ T1187] ? 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) 
[ 99.455254][ T1187] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 99.455574][ T1187] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 99.455872][ T1187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.456171][ T1187] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 99.456488][ T1187] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 99.456784][ T1187] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 99.457088][ T1187] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 99.457385][ T1187] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 99.457693][ T1187] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 99.458078][ T1187] ___sys_sendmsg (net/socket.c:2670) 
[ 99.458372][ T1187] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 99.458674][ T1187] ? __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) 
[ 99.459041][ T1187] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 99.459344][ T1187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.459662][ T1187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.459965][ T1187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.460261][ T1187] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 99.460565][ T1187] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 99.460867][ T1187] __sys_sendmsg (net/socket.c:2700) 
[ 99.461159][ T1187] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 99.461533][ T1187] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 99.461845][ T1187] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.462141][ T1187] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 99.462445][ T1187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   99.463025][ T1187] RIP: 0033:0x7eff9b4581e7
[ 99.463327][ T1187] 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)
[   99.464630][ T1187] RSP: 002b:00007ffd0dba1958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   99.465076][ T1187] RAX: ffffffffffffffda RBX: 00007ffd0dba2080 RCX: 00007eff9b4581e7
[   99.465749][ T1187] RDX: 0000000000000000 RSI: 00007ffd0dba19c0 RDI: 0000000000000005
[   99.466190][ T1187] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   99.466641][ T1187] R10: 000000000b6d9910 R11: 0000000000000246 R12: 0000000000000004
[   99.467295][ T1187] R13: 00000000686e286c R14: 0000000000499600 R15: 0000000000000000
| [  245.699719][ T3604] ------------[ cut here ]------------
| [ 245.700028][ T3604] WARNING: CPU: 3 PID: 3604 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) 
| [  245.700618][ T3604] Modules linked in: psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb [last unloaded: netdevsim]
| [  245.702899][ T3604] Tainted: [W]=WARN
[  245.703127][ T3604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 245.703518][ T3604] 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) 
[ 245.703837][ T3604] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  245.704957][ T3604] RSP: 0018:ffffc90000656ef0 EFLAGS: 00010246
[  245.705362][ T3604] RAX: 0000000000000000 RBX: ffff88800e6ba000 RCX: 0000000000000001
[  245.705835][ T3604] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[  245.706302][ T3604] RBP: ffffc90000656fd8 R08: 0000000000000000 R09: 0000000000000000
[  245.706780][ T3604] R10: ffffc90000657008 R11: ffffffffa158d1e0 R12: 1ffff920000cade2
[  245.707249][ T3604] R13: 00000000000005dc R14: ffffc90000657008 R15: ffff88800e6baf48
[  245.707718][ T3604] FS:  00007fa6869b8800(0000) GS:ffff8880c9f19000(0000) knlGS:0000000000000000
[  245.708265][ T3604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  245.708664][ T3604] CR2: 00000000004e6eb8 CR3: 000000000bd1a004 CR4: 0000000000772ef0
[  245.709139][ T3604] PKRU: 55555554
[  245.709375][ T3604] Call Trace:
[  245.709619][ T3604]  <TASK>
[ 245.709784][ T3604] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 245.710096][ T3604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.710434][ T3604] netif_set_mtu (net/core/dev.c:9652) 
[ 245.710747][ T3604] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 245.711075][ T3604] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 245.711312][ T3604] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 245.711636][ T3604] br_add_if (net/bridge/br_if.c:697) 
[ 245.711884][ T3604] do_set_master (net/core/rtnetlink.c:2948) 
[ 245.712194][ T3604] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 245.712532][ T3604] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 245.712848][ T3604] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 245.713240][ T3604] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 245.713564][ T3604] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 245.713874][ T3604] ? __kernel_text_address (kernel/extable.c:79) 
[ 245.714189][ T3604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.714531][ T3604] ? __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) 
[ 245.714849][ T3604] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 245.715237][ T3604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 245.715570][ T3604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 245.715884][ T3604] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 245.716193][ T3604] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 245.716514][ T3604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 245.716828][ T3604] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 245.717144][ T3604] ? __create_object (mm/kmemleak.c:771) 
[ 245.717465][ T3604] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 245.717776][ T3604] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 245.718088][ T3604] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 245.718488][ T3604] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 245.718808][ T3604] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 245.719126][ T3604] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 245.719454][ T3604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.719775][ T3604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 245.720088][ T3604] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 245.720397][ T3604] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 245.720724][ T3604] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 245.721035][ T3604] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 245.721351][ T3604] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 245.721671][ T3604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.721985][ T3604] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 245.722298][ T3604] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 245.722619][ T3604] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 245.722941][ T3604] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 245.723258][ T3604] ? 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) 
[ 245.723583][ T3604] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 245.723897][ T3604] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 245.724211][ T3604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.724535][ T3604] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 245.724851][ T3604] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 245.725164][ T3604] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 245.725508][ T3604] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 245.725825][ T3604] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 245.726134][ T3604] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 245.726543][ T3604] ___sys_sendmsg (net/socket.c:2670) 
[ 245.726850][ T3604] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 245.727159][ T3604] ? __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) 
[ 245.727561][ T3604] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 245.727883][ T3604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 245.728199][ T3604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.728524][ T3604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 245.728836][ T3604] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 245.729161][ T3604] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 245.729496][ T3604] __sys_sendmsg (net/socket.c:2700) 
[ 245.729811][ T3604] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 245.730203][ T3604] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 245.730534][ T3604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 245.730847][ T3604] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 245.731162][ T3604] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  245.731557][ T3604] RIP: 0033:0x7fa686b851e7
[ 245.731881][ T3604] 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)
[  245.732991][ T3604] RSP: 002b:00007ffff50ebb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  245.733468][ T3604] RAX: ffffffffffffffda RBX: 00007ffff50ec250 RCX: 00007fa686b851e7
[  245.733934][ T3604] RDX: 0000000000000000 RSI: 00007ffff50ebb80 RDI: 0000000000000005
[  245.734415][ T3604] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  245.734884][ T3604] R10: 0000000028d94910 R11: 0000000000000246 R12: 0000000000000004
[  245.735357][ T3604] R13: 00000000686e28ff R14: 0000000000499600 R15: 0000000000000000
| [  248.073656][ T3636] ------------[ cut here ]------------
| [ 248.073965][ T3636] WARNING: CPU: 0 PID: 3636 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) 
| [  248.074838][ T3636] Modules linked in: psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb [last unloaded: netdevsim]
| [  248.076156][ T3636] Tainted: [W]=WARN
[  248.076381][ T3636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 248.076758][ T3636] 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) 
[ 248.077067][ T3636] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  248.078132][ T3636] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[  248.078516][ T3636] RAX: 0000000000000000 RBX: ffff888009a62000 RCX: 0000000000000001
[  248.078955][ T3636] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[  248.079395][ T3636] RBP: ffffc900004d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  248.079842][ T3636] R10: ffffc900004d7008 R11: ffffffffa158d1e0 R12: 1ffff9200009ade2
[  248.080285][ T3636] R13: 00000000000005dc R14: ffffc900004d7008 R15: ffff888009a62f48
[  248.080731][ T3636] FS:  00007f8e9ed62800(0000) GS:ffff8880c9d99000(0000) knlGS:0000000000000000
[  248.081245][ T3636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  248.081624][ T3636] CR2: 00000000004e6e50 CR3: 000000000ba3e003 CR4: 0000000000772ef0
[  248.082072][ T3636] PKRU: 55555554
[  248.082292][ T3636] Call Trace:
[  248.082518][ T3636]  <TASK>
[ 248.082672][ T3636] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 248.082967][ T3636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.083274][ T3636] netif_set_mtu (net/core/dev.c:9652) 
[ 248.083574][ T3636] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 248.083884][ T3636] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 248.084108][ T3636] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 248.084422][ T3636] br_add_if (net/bridge/br_if.c:697) 
[ 248.084654][ T3636] do_set_master (net/core/rtnetlink.c:2948) 
[ 248.084951][ T3636] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 248.085250][ T3636] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 248.085638][ T3636] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.085933][ T3636] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 248.086226][ T3636] ? __kernel_text_address (kernel/extable.c:79) 
[ 248.086535][ T3636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.086831][ T3636] ? __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) 
[ 248.087126][ T3636] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 248.087497][ T3636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.087797][ T3636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.088088][ T3636] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 248.088381][ T3636] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 248.088701][ T3636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.088998][ T3636] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 248.089288][ T3636] ? __create_object (mm/kmemleak.c:771) 
[ 248.089591][ T3636] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 248.089886][ T3636] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 248.090183][ T3636] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 248.090556][ T3636] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 248.090857][ T3636] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 248.091156][ T3636] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.091458][ T3636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.091756][ T3636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.092049][ T3636] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 248.092339][ T3636] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.092644][ T3636] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.092939][ T3636] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 248.093234][ T3636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.093543][ T3636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.093841][ T3636] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 248.094133][ T3636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.094440][ T3636] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 248.094746][ T3636] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 248.095037][ T3636] ? 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) 
[ 248.095339][ T3636] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 248.095651][ T3636] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 248.095945][ T3636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.096242][ T3636] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 248.096547][ T3636] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 248.096845][ T3636] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 248.097146][ T3636] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 248.097452][ T3636] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 248.097750][ T3636] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 248.098130][ T3636] ___sys_sendmsg (net/socket.c:2670) 
[ 248.098431][ T3636] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 248.098724][ T3636] ? __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) 
[ 248.099091][ T3636] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 248.099387][ T3636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.099690][ T3636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.099995][ T3636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.100291][ T3636] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 248.100595][ T3636] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.100899][ T3636] __sys_sendmsg (net/socket.c:2700) 
[ 248.101190][ T3636] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 248.101563][ T3636] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 248.101871][ T3636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.102169][ T3636] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 248.102471][ T3636] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  248.102835][ T3636] RIP: 0033:0x7f8e9ef2f1e7
[ 248.103140][ T3636] 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)
[  248.104197][ T3636] RSP: 002b:00007ffd193daba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  248.104653][ T3636] RAX: ffffffffffffffda RBX: 00007ffd193db2e0 RCX: 00007f8e9ef2f1e7
[  248.105096][ T3636] RDX: 0000000000000000 RSI: 00007ffd193dac10 RDI: 0000000000000005
[  248.105548][ T3636] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  248.105989][ T3636] R10: 000000000d4fa910 R11: 0000000000000246 R12: 0000000000000004
[  248.106440][ T3636] R13: 00000000686e2901 R14: 0000000000499600 R15: 0000000000000000
| [  252.392142][ T3712] ------------[ cut here ]------------
| [ 252.392469][ T3712] WARNING: CPU: 3 PID: 3712 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) 
| [  252.393064][ T3712] Modules linked in: bonding netdevsim psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb [last unloaded: netdevsim]
| [  252.394672][ T3712] Tainted: [W]=WARN
[  252.394896][ T3712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 252.395267][ T3712] 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) 
[ 252.395586][ T3712] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  252.396650][ T3712] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[  252.397025][ T3712] RAX: 0000000000000000 RBX: ffff888011fba000 RCX: 0000000000000001
[  252.397492][ T3712] RDX: 0000000000000000 RSI: ffffffffa0b10759 RDI: ffffffffa0258280
[  252.397946][ T3712] RBP: ffffc900004d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  252.398387][ T3712] R10: ffffc900004d7008 R11: ffffffffa1eceab8 R12: 1ffff9200009ade2
[  252.398837][ T3712] R13: 00000000000005dc R14: ffffc900004d7008 R15: ffff888011fbaf48
[  252.399278][ T3712] FS:  00007fc73f242800(0000) GS:ffff8880c9f19000(0000) knlGS:0000000000000000
[  252.399798][ T3712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  252.400170][ T3712] CR2: 00000000004e5a68 CR3: 00000000119fd003 CR4: 0000000000772ef0
[  252.400643][ T3712] PKRU: 55555554
[  252.400866][ T3712] Call Trace:
[  252.401084][ T3712]  <TASK>
[ 252.401236][ T3712] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 252.401545][ T3712] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 252.401843][ T3712] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 252.402207][ T3712] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 252.402528][ T3712] netif_set_mtu (net/core/dev.c:9652) 
[ 252.402827][ T3712] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 252.403136][ T3712] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 252.403519][ T3712] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 252.403745][ T3712] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 252.404042][ T3712] br_add_if (net/bridge/br_if.c:697) 
[ 252.404280][ T3712] do_set_master (net/core/rtnetlink.c:2948) 
[ 252.404583][ T3712] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 252.404882][ T3712] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 252.405184][ T3712] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 252.405587][ T3712] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 252.405883][ T3712] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 252.406175][ T3712] ? __kernel_text_address (kernel/extable.c:79) 
[ 252.406483][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.406785][ T3712] ? __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) 
[ 252.407082][ T3712] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 252.407461][ T3712] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.407759][ T3712] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.408052][ T3712] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 252.408347][ T3712] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 252.408650][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.408950][ T3712] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 252.409244][ T3712] ? __create_object (mm/kmemleak.c:771) 
[ 252.409550][ T3712] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 252.409854][ T3712] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 252.410156][ T3712] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 252.410530][ T3712] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 252.410837][ T3712] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 252.411133][ T3712] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.411436][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.411742][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.412041][ T3712] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 252.412345][ T3712] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.412650][ T3712] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.412953][ T3712] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 252.413250][ T3712] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.413553][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.413856][ T3712] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 252.414153][ T3712] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.414466][ T3712] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 252.414781][ T3712] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 252.415081][ T3712] ? 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) 
[ 252.415426][ T3712] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 252.415732][ T3712] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 252.416030][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.416332][ T3712] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 252.416646][ T3712] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 252.416943][ T3712] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 252.417247][ T3712] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 252.417557][ T3712] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 252.417852][ T3712] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 252.418234][ T3712] ___sys_sendmsg (net/socket.c:2670) 
[ 252.418534][ T3712] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 252.418835][ T3712] ? __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) 
[ 252.419202][ T3712] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 252.419508][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.419810][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.420111][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 252.420416][ T3712] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 252.420712][ T3712] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.421019][ T3712] __sys_sendmsg (net/socket.c:2700) 
[ 252.421315][ T3712] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 252.421688][ T3712] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 252.421997][ T3712] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.422295][ T3712] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 252.422599][ T3712] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  252.422963][ T3712] RIP: 0033:0x7fc73f40f1e7
[ 252.423269][ T3712] 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)
[  252.424326][ T3712] RSP: 002b:00007ffd93517ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  252.424777][ T3712] RAX: ffffffffffffffda RBX: 00007ffd935183d0 RCX: 00007fc73f40f1e7
[  252.425220][ T3712] RDX: 0000000000000000 RSI: 00007ffd93517d10 RDI: 0000000000000005
[  252.425683][ T3712] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  252.426121][ T3712] R10: 000000001b7d6910 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:erspan_newlink
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
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_ctl:ipgre_tunnel_ctl