======================================
| [   16.556903][  T285] ip_gre: GRE over IPv4 tunneling driver
| [   16.670422][  T284] ------------[ cut here ]------------
| [ 16.670919][ T284] WARNING: CPU: 1 PID: 284 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) 
| [   16.671845][  T284] Modules linked in: ip_gre gre
[   16.672930][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.673487][ T284] 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) 
[ 16.673822][ T284] 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
[   16.675087][  T284] RSP: 0018:ffffc900005a7000 EFLAGS: 00010246
[   16.675633][  T284] RAX: 0000000000000000 RBX: ffff88800e38c000 RCX: 0000000000000001
[   16.676127][  T284] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   16.676735][  T284] RBP: ffffc900005a70e8 R08: ffff88800e38c218 R09: 0000000000000000
[   16.677362][  T284] R10: ffffc900005a7118 R11: ffff88800e45c5f0 R12: 1ffff920000b4e04
[   16.677836][  T284] R13: 00000000000005b6 R14: ffffc900005a7118 R15: ffff88800e38c218
[   16.678460][  T284] FS:  00007f284a2a6800(0000) GS:ffff8880b1819000(0000) knlGS:0000000000000000
[   16.679008][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.679545][  T284] CR2: 00007f9204332000 CR3: 000000000abe5001 CR4: 0000000000772ef0
[   16.680022][  T284] PKRU: 55555554
[   16.680399][  T284] Call Trace:
[   16.680631][  T284]  <TASK>
[ 16.680789][ T284] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 16.681185][ T284] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.681650][ T284] netif_set_mtu (net/core/dev.c:9652) 
[ 16.681962][ T284] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.682440][ T284] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 16.682747][ T284] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.682978][ T284] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 16.683432][ T284] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 16.683751][ T284] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 16.684059][ T284] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 16.684617][ T284] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 16.684934][ T284] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 16.685386][ T284] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 16.685697][ T284] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 16.685999][ T284] ? __dev_get_by_name (net/core/dev.c:865) 
[ 16.686456][ T284] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 16.686764][ T284] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 16.687089][ T284] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.687453][ T284] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 16.687776][ T284] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 16.688092][ T284] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.688421][ T284] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.688742][ T284] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.689063][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.689378][ T284] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.689684][ T284] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.689989][ T284] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.690307][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.690618][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.690924][ T284] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.691255][ T284] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.691573][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.691877][ T284] ? 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) 
[ 16.692391][ T284] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 16.692701][ T284] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.693005][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.693342][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.693657][ T284] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.693965][ T284] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.694293][ T284] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.694606][ T284] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.694909][ T284] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.695311][ T284] ___sys_sendmsg (net/socket.c:2670) 
[ 16.695634][ T284] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.695944][ T284] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 16.696262][ T284] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 16.696568][ T284] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 16.696880][ T284] ? __handle_mm_fault (mm/memory.c:6212) 
[ 16.697186][ T284] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 16.697514][ T284] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 16.697840][ T284] __sys_sendmsg (net/socket.c:2700) 
[ 16.698152][ T284] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.698477][ T284] ? 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) 
[ 16.698797][ T284] ? 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) 
[ 16.699103][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.699423][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.699744][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.700125][  T284] RIP: 0033:0x7f284a4731e7
[ 16.700467][ T284] Code: Unable to access opcode bytes at 0x7f284a4731bd.

Code starting with the faulting instruction
===========================================
[   16.700867][  T284] RSP: 002b:00007fffb56b8498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.701347][  T284] RAX: ffffffffffffffda RBX: 00007fffb56b8bd0 RCX: 00007f284a4731e7
[   16.701822][  T284] RDX: 0000000000000000 RSI: 00007fffb56b8500 RDI: 0000000000000005
[   16.702294][  T284] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   16.702759][  T284] R10: 00007f284a36b6f8 R11: 0000000000000246 R12: 00007fffb56b8bf0
[   16.703231][  T284] R13: 00000000686e4fa0 R14: 0000000000499600 R15: 00007fffb56b85ec
| [   16.896386][  T291] ------------[ cut here ]------------
| [ 16.896714][ T291] WARNING: CPU: 3 PID: 291 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) 
| [   16.897953][  T291] Modules linked in: ip_gre gre
| [   16.898943][  T291] Tainted: [W]=WARN
[   16.899185][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.899595][ T291] 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) 
[ 16.899922][ T291] 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
[   16.901093][  T291] RSP: 0018:ffffc900005b7000 EFLAGS: 00010246
[   16.901506][  T291] RAX: 0000000000000000 RBX: ffff888008b9c000 RCX: 0000000000000001
[   16.901973][  T291] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   16.902449][  T291] RBP: ffffc900005b70e8 R08: ffff888008b9c218 R09: 0000000000000000
[   16.902912][  T291] R10: ffffc900005b7118 R11: ffff888004d615f0 R12: 1ffff920000b6e04
[   16.903382][  T291] R13: 00000000000005b6 R14: ffffc900005b7118 R15: ffff888008b9c218
[   16.903854][  T291] FS:  00007f9550359800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   16.904419][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.904829][  T291] CR2: 0000000000436890 CR3: 000000000b92f004 CR4: 0000000000772ef0
[   16.905339][  T291] PKRU: 55555554
[   16.905577][  T291] Call Trace:
[   16.905816][  T291]  <TASK>
[ 16.905975][ T291] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 16.906392][ T291] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.906710][ T291] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.907020][ T291] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 16.907361][ T291] netif_set_mtu (net/core/dev.c:9652) 
[ 16.907687][ T291] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.908035][ T291] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 16.908377][ T291] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.908622][ T291] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 16.908955][ T291] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 16.909291][ T291] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 16.909611][ T291] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 16.909998][ T291] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 16.910331][ T291] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 16.910644][ T291] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 16.910973][ T291] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 16.911304][ T291] ? __dev_get_by_name (net/core/dev.c:865) 
[ 16.911632][ T291] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 16.911962][ T291] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 16.912291][ T291] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.912603][ T291] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 16.912922][ T291] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 16.913258][ T291] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.913584][ T291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.913911][ T291] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.914232][ T291] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.914545][ T291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.914859][ T291] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.915206][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.915548][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.915882][ T291] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.916203][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.916559][ T291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.916910][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.917239][ T291] ? 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) 
[ 16.917553][ T291] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 16.917870][ T291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.918187][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.918523][ T291] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.918840][ T291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.919151][ T291] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.919476][ T291] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.919813][ T291] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.920139][ T291] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.920556][ T291] ___sys_sendmsg (net/socket.c:2670) 
[ 16.920897][ T291] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.921247][ T291] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 16.921562][ T291] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 16.921880][ T291] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 16.922191][ T291] ? __handle_mm_fault (mm/memory.c:6212) 
[ 16.922770][ T291] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 16.923099][ T291] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 16.923448][ T291] __sys_sendmsg (net/socket.c:2700) 
[ 16.923774][ T291] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.924321][ T291] ? 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) 
[ 16.925102][ T291] ? 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) 
[ 16.925436][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.925747][ T291] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.926066][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.926681][  T291] RIP: 0033:0x7f95505261e7
[ 16.927016][ T291] 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)
[   16.928403][  T291] RSP: 002b:00007ffed37d9cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.928874][  T291] RAX: ffffffffffffffda RBX: 00007ffed37da410 RCX: 00007f95505261e7
[   16.929822][  T291] RDX: 0000000000000000 RSI: 00007ffed37d9d40 RDI: 0000000000000005
[   16.930317][  T291] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   16.930805][  T291] R10: 00007f955041e6f8 R11: 0000000000000246 R12: 00007ffed37da430
[   16.931514][  T291] R13: 00000000686e4fa0 R14: 0000000000499600 R15: 00007ffed37d9e2c
| [   20.188797][  T335] ------------[ cut here ]------------
| [ 20.189153][ T335] WARNING: CPU: 3 PID: 335 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.190323][  T335] Modules linked in: ip_gre gre
| [   20.191281][  T335] Tainted: [W]=WARN
[   20.191518][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.191901][ T335] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.192216][ T335] 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
[   20.193337][  T335] RSP: 0018:ffffc90000717000 EFLAGS: 00010246
[   20.193731][  T335] RAX: 0000000000000000 RBX: ffff8880075f9000 RCX: 0000000000000001
[   20.194196][  T335] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   20.194671][  T335] RBP: ffffc900007170e8 R08: ffff8880075f9218 R09: 0000000000000000
[   20.195130][  T335] R10: ffffc90000717118 R11: ffff88800c4b15f0 R12: 1ffff920000e2e04
[   20.195603][  T335] R13: 00000000000005b6 R14: ffffc90000717118 R15: ffff8880075f9218
[   20.196061][  T335] FS:  00007effc0248800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   20.196614][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.197003][  T335] CR2: 0000000000436890 CR3: 000000000bb26002 CR4: 0000000000772ef0
[   20.197476][  T335] PKRU: 55555554
[   20.197709][  T335] Call Trace:
[   20.197937][  T335]  <TASK>
[ 20.198093][ T335] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.198494][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.198807][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.199118][ T335] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 20.199445][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 20.199753][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.200071][ T335] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 20.200392][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.200626][ T335] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.200936][ T335] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.201261][ T335] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.201573][ T335] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.201957][ T335] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.202285][ T335] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.202601][ T335] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 20.202913][ T335] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.203216][ T335] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.203536][ T335] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.203842][ T335] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.204160][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.204473][ T335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.204786][ T335] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.205104][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.205441][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.205760][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.206065][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.206384][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.206696][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.207002][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.207321][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.207633][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.207936][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.208260][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.208583][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.208890][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.209199][ T335] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.209520][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.209825][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.210136][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.210455][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.210763][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.211077][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.211395][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.211704][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.212100][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 20.212419][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.212727][ T335] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.213037][ T335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.213354][ T335] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 20.213667][ T335] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.213973][ T335] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.214286][ T335] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 20.214612][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 20.214917][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.215240][ T335] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 20.215555][ T335] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 20.215863][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.216173][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.216491][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.216873][  T335] RIP: 0033:0x7effc04151e7
[ 20.217190][ T335] 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)
[   20.218306][  T335] RSP: 002b:00007ffc1c1eba38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.218770][  T335] RAX: ffffffffffffffda RBX: 00007ffc1c1ec170 RCX: 00007effc04151e7
[   20.219241][  T335] RDX: 0000000000000000 RSI: 00007ffc1c1ebaa0 RDI: 0000000000000005
[   20.219705][  T335] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   20.220157][  T335] R10: 00007effc030d6f8 R11: 0000000000000246 R12: 00007ffc1c1ec190
[   20.220630][  T335] R13: 00000000686e4fa3 R14: 0000000000499600 R15: 00007ffc1c1ebb8c
| [   20.345183][  T336] ------------[ cut here ]------------
| [ 20.345618][ T336] WARNING: CPU: 0 PID: 336 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.347548][  T336] Modules linked in: ip_gre gre
| [   20.348592][  T336] Tainted: [W]=WARN
[   20.348826][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.349234][ T336] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.349553][ T336] 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
[   20.350688][  T336] RSP: 0018:ffffc90000717000 EFLAGS: 00010246
[   20.351077][  T336] RAX: 0000000000000000 RBX: ffff88800bbd9000 RCX: 0000000000000001
[   20.351555][  T336] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   20.352037][  T336] RBP: ffffc900007170e8 R08: ffff88800bbd9218 R09: 0000000000000000
[   20.352532][  T336] R10: ffffc90000717118 R11: ffff88800c4b45f0 R12: 1ffff920000e2e04
[   20.353017][  T336] R13: 00000000000005b6 R14: ffffc90000717118 R15: ffff88800bbd9218
[   20.353515][  T336] FS:  00007fb8e9428800(0000) GS:ffff8880b1799000(0000) knlGS:0000000000000000
[   20.354091][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.354506][  T336] CR2: 0000000000436890 CR3: 000000000abc8005 CR4: 0000000000772ef0
[   20.354991][  T336] PKRU: 55555554
[   20.355245][  T336] Call Trace:
[   20.355492][  T336]  <TASK>
[ 20.355657][ T336] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.356048][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.356384][ T336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.356710][ T336] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 20.357037][ T336] netif_set_mtu (net/core/dev.c:9652) 
[ 20.357379][ T336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.357714][ T336] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 20.358032][ T336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.358314][ T336] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.358635][ T336] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.358964][ T336] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.359320][ T336] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.359711][ T336] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.360029][ T336] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.360352][ T336] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 20.360673][ T336] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.360985][ T336] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.361336][ T336] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.361654][ T336] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.361978][ T336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.362304][ T336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.362617][ T336] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.362936][ T336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.363260][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.363583][ T336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.363905][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.364216][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.364534][ T336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.364843][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.365153][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.365477][ T336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.365784][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.366110][ T336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.366440][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.366760][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.367079][ T336] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.367402][ T336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.367709][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.368034][ T336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.368367][ T336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.368677][ T336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.368990][ T336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.369311][ T336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.369616][ T336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.370025][ T336] ___sys_sendmsg (net/socket.c:2670) 
[ 20.370343][ T336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.370661][ T336] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.370974][ T336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.371289][ T336] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 20.371613][ T336] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.371922][ T336] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.372251][ T336] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 20.372580][ T336] __sys_sendmsg (net/socket.c:2700) 
[ 20.372894][ T336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.373201][ T336] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 20.373560][ T336] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 20.373872][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.374191][ T336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.374513][ T336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.374905][  T336] RIP: 0033:0x7fb8e95f51e7
[ 20.375249][ T336] 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)
[   20.376377][  T336] RSP: 002b:00007ffd813d4e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.376846][  T336] RAX: ffffffffffffffda RBX: 00007ffd813d5540 RCX: 00007fb8e95f51e7
[   20.377326][  T336] RDX: 0000000000000000 RSI: 00007ffd813d4e70 RDI: 0000000000000005
[   20.377786][  T336] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   20.378269][  T336] R10: 00007fb8e94ed6f8 R11: 0000000000000246 R12: 00007ffd813d5560
[   20.378747][  T336] R13: 00000000686e4fa3 R14: 0000000000499600 R15: 00007ffd813d4f5c
| [   24.412161][  T386] ------------[ cut here ]------------
| [ 24.412628][ T386] WARNING: CPU: 2 PID: 386 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.413333][  T386] Modules linked in: ip_gre gre
| [   24.414415][  T386] Tainted: [W]=WARN
[   24.414688][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.415130][ T386] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.415504][ T386] 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
[   24.416739][  T386] RSP: 0018:ffffc900008b7000 EFLAGS: 00010246
[   24.417189][  T386] RAX: 0000000000000000 RBX: ffff88800d7fc000 RCX: 0000000000000001
[   24.417721][  T386] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   24.418258][  T386] RBP: ffffc900008b70e8 R08: ffff88800d7fc218 R09: 0000000000000000
[   24.418790][  T386] R10: ffffc900008b7118 R11: ffff88800b8895f0 R12: 1ffff92000116e04
[   24.419321][  T386] R13: 00000000000005b6 R14: ffffc900008b7118 R15: ffff88800d7fc218
[   24.419845][  T386] FS:  00007f596aa1c800(0000) GS:ffff8880b1899000(0000) knlGS:0000000000000000
[   24.420460][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.420902][  T386] CR2: 000000000049c120 CR3: 000000000c0ad003 CR4: 0000000000772ef0
[   24.421437][  T386] PKRU: 55555554
[   24.421709][  T386] Call Trace:
[   24.421974][  T386]  <TASK>
[ 24.422163][ T386] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.422641][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.423001][ T386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.423363][ T386] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 24.423727][ T386] netif_set_mtu (net/core/dev.c:9652) 
[ 24.424077][ T386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.424452][ T386] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 24.424802][ T386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.425070][ T386] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.425432][ T386] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.425797][ T386] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.426158][ T386] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.426603][ T386] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.426966][ T386] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.427333][ T386] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 24.427690][ T386] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.428042][ T386] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.428418][ T386] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.428770][ T386] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.429131][ T386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.429493][ T386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.429854][ T386] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.430211][ T386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.430580][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.430942][ T386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.431302][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.431655][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.432011][ T386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.432378][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.432743][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.433098][ T386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.433471][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.433826][ T386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.434196][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.434563][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.434920][ T386] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.435291][ T386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.435644][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.436002][ T386] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.436368][ T386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.436725][ T386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.437088][ T386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.437453][ T386] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.437807][ T386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.438260][ T386] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 24.438647][ T386] ___sys_sendmsg (net/socket.c:2670) 
[ 24.439000][ T386] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.439378][ T386] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.439732][ T386] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.440092][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.440465][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.440824][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.441190][ T386] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 24.441565][ T386] __sys_sendmsg (net/socket.c:2700) 
[ 24.441922][ T386] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 24.442367][ T386] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.442733][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.443093][ T386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.443461][ T386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.443903][  T386] RIP: 0033:0x7f596abe91e7
[ 24.444274][ T386] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.445499][  T386] RSP: 002b:00007ffe7accc058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.446024][  T386] RAX: ffffffffffffffda RBX: 00007ffe7accc790 RCX: 00007f596abe91e7
[   24.446563][  T386] RDX: 0000000000000000 RSI: 00007ffe7accc0c0 RDI: 0000000000000005
[   24.447086][  T386] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   24.447614][  T386] R10: 00007f596aae16f8 R11: 0000000000000246 R12: 00007ffe7accc7b0
[   24.448117][  T386] R13: 00000000686e4fa7 R14: 0000000000499600 R15: 00007ffe7accc1ac
| [   24.586173][  T387] ------------[ cut here ]------------
| [ 24.586598][ T387] WARNING: CPU: 3 PID: 387 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.587206][  T387] Modules linked in: ip_gre gre
| [   24.588553][  T387] Tainted: [W]=WARN
[   24.588786][  T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.589177][ T387] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.589519][ T387] 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
[   24.590651][  T387] RSP: 0018:ffffc900008c7000 EFLAGS: 00010246
[   24.591044][  T387] RAX: 0000000000000000 RBX: ffff88800bd84000 RCX: 0000000000000001
[   24.591518][  T387] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   24.591986][  T387] RBP: ffffc900008c70e8 R08: ffff88800bd84218 R09: 0000000000000000
[   24.592455][  T387] R10: ffffc900008c7118 R11: ffff88800b88c5f0 R12: 1ffff92000118e04
[   24.592913][  T387] R13: 00000000000005b6 R14: ffffc900008c7118 R15: ffff88800bd84218
[   24.593384][  T387] FS:  00007f60e588c800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   24.593920][  T387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.594314][  T387] CR2: 000000000049c120 CR3: 000000000a871002 CR4: 0000000000772ef0
[   24.594776][  T387] PKRU: 55555554
[   24.595017][  T387] Call Trace:
[   24.595254][  T387]  <TASK>
[ 24.595417][ T387] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.595800][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.596123][ T387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.596462][ T387] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 24.596784][ T387] netif_set_mtu (net/core/dev.c:9652) 
[ 24.597092][ T387] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.597416][ T387] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 24.597740][ T387] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.597979][ T387] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.598309][ T387] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.598626][ T387] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.598956][ T387] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.599357][ T387] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.599676][ T387] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.600001][ T387] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 24.600339][ T387] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.600646][ T387] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.600958][ T387] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.601284][ T387] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.601598][ T387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.601915][ T387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.602257][ T387] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.602583][ T387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.602896][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.603228][ T387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.603533][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.603844][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.604151][ T387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.604468][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.604794][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.605113][ T387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.605445][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.605767][ T387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.606102][ T387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.606446][ T387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.606766][ T387] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.607100][ T387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.607434][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.607748][ T387] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.608057][ T387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.608409][ T387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.608738][ T387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.609063][ T387] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.609404][ T387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.609821][ T387] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 24.610152][ T387] ___sys_sendmsg (net/socket.c:2670) 
[ 24.610485][ T387] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.610821][ T387] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.611143][ T387] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.611484][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.611812][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.612151][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.612486][ T387] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 24.612812][ T387] __sys_sendmsg (net/socket.c:2700) 
[ 24.613119][ T387] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 24.613518][ T387] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.613847][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.614181][ T387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.614517][ T387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.614928][  T387] RIP: 0033:0x7f60e5a591e7
[ 24.615268][ T387] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.616372][  T387] RSP: 002b:00007ffdaac44888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.616857][  T387] RAX: ffffffffffffffda RBX: 00007ffdaac44fc0 RCX: 00007f60e5a591e7
[   24.617324][  T387] RDX: 0000000000000000 RSI: 00007ffdaac448f0 RDI: 0000000000000005
[   24.617794][  T387] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   24.618275][  T387] R10: 00007f60e59516f8 R11: 0000000000000246 R12: 00007ffdaac44fe0
[   24.618752][  T387] R13: 00000000686e4fa8 R14: 0000000000499600 R15: 00007ffdaac449dc
| [   27.963090][  T430] ------------[ cut here ]------------
| [ 27.963493][ T430] WARNING: CPU: 3 PID: 430 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) 
| [   27.964163][  T430] Modules linked in: ip_gre gre
| [   27.965187][  T430] Tainted: [W]=WARN
[   27.965446][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.965856][ T430] 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) 
[ 27.966198][ T430] 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
[   27.967370][  T430] RSP: 0018:ffffc90000ac7000 EFLAGS: 00010246
[   27.967787][  T430] RAX: 0000000000000000 RBX: ffff88800f234000 RCX: 0000000000000001
[   27.968309][  T430] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   27.968807][  T430] RBP: ffffc90000ac70e8 R08: ffff88800f234218 R09: 0000000000000000
[   27.969313][  T430] R10: ffffc90000ac7118 R11: ffff88800bff95f0 R12: 1ffff92000158e04
[   27.969817][  T430] R13: 00000000000005b6 R14: ffffc90000ac7118 R15: ffff88800f234218
[   27.970320][  T430] FS:  00007f3696ab2800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   27.970888][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.971321][  T430] CR2: 000000000049c120 CR3: 000000000b722001 CR4: 0000000000772ef0
[   27.971807][  T430] PKRU: 55555554
[   27.972048][  T430] Call Trace:
[   27.972302][  T430]  <TASK>
[ 27.972479][ T430] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 27.972897][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.973234][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.973565][ T430] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 27.973901][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 27.974233][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.974572][ T430] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 27.974893][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.975138][ T430] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 27.975490][ T430] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 27.975828][ T430] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 27.976159][ T430] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 27.976576][ T430] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 27.976912][ T430] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 27.977261][ T430] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 27.977590][ T430] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 27.977915][ T430] ? __dev_get_by_name (net/core/dev.c:865) 
[ 27.978260][ T430] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 27.978597][ T430] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 27.978927][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.979252][ T430] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 27.979584][ T430] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 27.979915][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.980258][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.980594][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.980918][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.981255][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.981579][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.981903][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.982241][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.982591][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.982916][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.983251][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.983591][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.983913][ T430] ? 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) 
[ 27.984248][ T430] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 27.984579][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.984899][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.985242][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.985572][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.985898][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.986241][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.986575][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.986901][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.987311][ T430] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 27.987647][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 27.987974][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.988321][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.988648][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.988974][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.989315][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.989650][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.989975][ T430] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 27.990312][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 27.990645][ T430] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 27.991041][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.991384][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.991707][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.992026][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.992436][  T430] RIP: 0033:0x7f3696c7f1e7
[ 27.992770][ T430] 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)
[   27.993952][  T430] RSP: 002b:00007ffd4da79358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.994448][  T430] RAX: ffffffffffffffda RBX: 00007ffd4da79a90 RCX: 00007f3696c7f1e7
[   27.994927][  T430] RDX: 0000000000000000 RSI: 00007ffd4da793c0 RDI: 0000000000000005
[   27.995436][  T430] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   27.995932][  T430] R10: 00007f3696b776f8 R11: 0000000000000246 R12: 00007ffd4da79ab0
[   27.996437][  T430] R13: 00000000686e4fab R14: 0000000000499600 R15: 00007ffd4da794ac
| [   28.139822][  T431] ------------[ cut here ]------------
| [ 28.140190][ T431] WARNING: CPU: 0 PID: 431 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) 
| [   28.140856][  T431] Modules linked in: ip_gre gre
| [   28.141885][  T431] Tainted: [W]=WARN
[   28.142137][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.142568][ T431] 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) 
[ 28.142909][ T431] 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
[   28.144106][  T431] RSP: 0018:ffffc90000ad7000 EFLAGS: 00010246
[   28.144536][  T431] RAX: 0000000000000000 RBX: ffff888007f69000 RCX: 0000000000000001
[   28.145028][  T431] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   28.145534][  T431] RBP: ffffc90000ad70e8 R08: ffff888007f69218 R09: 0000000000000000
[   28.146031][  T431] R10: ffffc90000ad7118 R11: ffff88800bffc5f0 R12: 1ffff9200015ae04
[   28.146533][  T431] R13: 00000000000005b6 R14: ffffc90000ad7118 R15: ffff888007f69218
[   28.147024][  T431] FS:  00007f7614020800(0000) GS:ffff8880b1799000(0000) knlGS:0000000000000000
[   28.147613][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.148033][  T431] CR2: 000000000049c120 CR3: 000000000538c002 CR4: 0000000000772ef0
[   28.148549][  T431] PKRU: 55555554
[   28.148794][  T431] Call Trace:
[   28.149037][  T431]  <TASK>
[ 28.149200][ T431] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 28.149615][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.149942][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.150277][ T431] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 28.150614][ T431] netif_set_mtu (net/core/dev.c:9652) 
[ 28.150938][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.151293][ T431] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 28.151628][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.151875][ T431] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 28.152201][ T431] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 28.152559][ T431] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 28.152888][ T431] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 28.153283][ T431] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 28.153622][ T431] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 28.153937][ T431] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 28.154258][ T431] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 28.154564][ T431] ? __dev_get_by_name (net/core/dev.c:865) 
[ 28.154886][ T431] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.155198][ T431] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.155539][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.155845][ T431] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 28.156184][ T431] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 28.156526][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.156852][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.157170][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.157510][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.157824][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.158149][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.158483][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.158817][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.159130][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.159467][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.159776][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.160116][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.160450][ T431] ? 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) 
[ 28.160762][ T431] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 28.161079][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.161421][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.161737][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.162051][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.162370][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.162685][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.162995][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.163316][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.163698][ T431] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 28.164020][ T431] ___sys_sendmsg (net/socket.c:2670) 
[ 28.164340][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.164651][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.164956][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.165279][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.165602][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.165911][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.166228][ T431] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 28.166541][ T431] __sys_sendmsg (net/socket.c:2700) 
[ 28.166849][ T431] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 28.167238][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.167560][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.167869][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.168185][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.168590][  T431] RIP: 0033:0x7f76141ed1e7
[ 28.168910][ T431] 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)
[   28.170022][  T431] RSP: 002b:00007ffdba8e6998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.170505][  T431] RAX: ffffffffffffffda RBX: 00007ffdba8e70d0 RCX: 00007f76141ed1e7
[   28.170966][  T431] RDX: 0000000000000000 RSI: 00007ffdba8e6a00 RDI: 0000000000000005
[   28.171438][  T431] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   28.171900][  T431] R10: 00007f76140e56f8 R11: 0000000000000246 R12: 00007ffdba8e70f0
[   28.172393][  T431] R13: 00000000686e4fab R14: 0000000000499600 R15: 00007ffdba8e6aec
| [   32.163997][  T480] ------------[ cut here ]------------
| [ 32.164356][ T480] WARNING: CPU: 3 PID: 480 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) 
| [   32.164966][  T480] Modules linked in: ip_gre gre
| [   32.165924][  T480] Tainted: [W]=WARN
[   32.166158][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.166551][ T480] 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) 
[ 32.166865][ T480] 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
[   32.167970][  T480] RSP: 0018:ffffc90000d27000 EFLAGS: 00010246
[   32.168399][  T480] RAX: 0000000000000000 RBX: ffff88800e6b4000 RCX: 0000000000000001
[   32.168862][  T480] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   32.169342][  T480] RBP: ffffc90000d270e8 R08: ffff88800e6b4218 R09: 0000000000000000
[   32.169815][  T480] R10: ffffc90000d27118 R11: ffff88800e1445f0 R12: 1ffff920001a4e04
[   32.170297][  T480] R13: 00000000000005b6 R14: ffffc90000d27118 R15: ffff88800e6b4218
[   32.170765][  T480] FS:  00007fe59ba98800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   32.171314][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.171702][  T480] CR2: 0000000000436890 CR3: 000000000bddd005 CR4: 0000000000772ef0
[   32.172179][  T480] PKRU: 55555554
[   32.172426][  T480] Call Trace:
[   32.172668][  T480]  <TASK>
[ 32.172826][ T480] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 32.173241][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.173561][ T480] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.173897][ T480] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 32.174239][ T480] netif_set_mtu (net/core/dev.c:9652) 
[ 32.174561][ T480] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.174894][ T480] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 32.175232][ T480] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.175482][ T480] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 32.175790][ T480] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 32.176105][ T480] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 32.176452][ T480] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 32.176851][ T480] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 32.177188][ T480] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 32.177522][ T480] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 32.177849][ T480] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 32.178177][ T480] ? __dev_get_by_name (net/core/dev.c:865) 
[ 32.178526][ T480] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 32.178858][ T480] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 32.179181][ T480] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.179509][ T480] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 32.179848][ T480] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 32.180193][ T480] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.180559][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.180905][ T480] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.181272][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.181593][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.181921][ T480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.182257][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.182586][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.182915][ T480] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.183247][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.183560][ T480] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.183876][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.184186][ T480] ? 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) 
[ 32.184523][ T480] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.184834][ T480] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.185153][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.185488][ T480] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.185800][ T480] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.186132][ T480] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.186473][ T480] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.186808][ T480] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.187128][ T480] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.187531][ T480] ___sys_sendmsg (net/socket.c:2670) 
[ 32.187854][ T480] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.188163][ T480] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 32.188494][ T480] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 32.188801][ T480] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 32.189140][ T480] ? __handle_mm_fault (mm/memory.c:6212) 
[ 32.189456][ T480] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 32.189771][ T480] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 32.190123][ T480] __sys_sendmsg (net/socket.c:2700) 
[ 32.190456][ T480] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.190780][ T480] ? 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) 
[ 32.191102][ T480] ? 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) 
[ 32.191442][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.191755][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.192066][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.192459][  T480] RIP: 0033:0x7fe59bc651e7
[ 32.192776][ T480] 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)
[   32.193935][  T480] RSP: 002b:00007ffef4f44358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.194433][  T480] RAX: ffffffffffffffda RBX: 00007ffef4f44a90 RCX: 00007fe59bc651e7
[   32.194918][  T480] RDX: 0000000000000000 RSI: 00007ffef4f443c0 RDI: 0000000000000005
[   32.195400][  T480] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   32.195862][  T480] R10: 00007fe59bb5d6f8 R11: 0000000000000246 R12: 00007ffef4f44ab0
[   32.196330][  T480] R13: 00000000686e4faf R14: 0000000000499600 R15: 00007ffef4f444ac
| [   32.326185][  T481] ------------[ cut here ]------------
| [ 32.326600][ T481] WARNING: CPU: 1 PID: 481 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) 
| [   32.327210][  T481] Modules linked in: ip_gre gre
| [   32.328167][  T481] Tainted: [W]=WARN
[   32.328416][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.328795][ T481] 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) 
[ 32.329115][ T481] 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
[   32.330245][  T481] RSP: 0018:ffffc90000d37000 EFLAGS: 00010246
[   32.330635][  T481] RAX: 0000000000000000 RBX: ffff88800ba84000 RCX: 0000000000000001
[   32.331088][  T481] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   32.331555][  T481] RBP: ffffc90000d370e8 R08: ffff88800ba84218 R09: 0000000000000000
[   32.332015][  T481] R10: ffffc90000d37118 R11: ffff88800e8dc5f0 R12: 1ffff920001a6e04
[   32.332480][  T481] R13: 00000000000005b6 R14: ffffc90000d37118 R15: ffff88800ba84218
[   32.332937][  T481] FS:  00007f2251f8f800(0000) GS:ffff8880b1819000(0000) knlGS:0000000000000000
[   32.333481][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.333870][  T481] CR2: 0000000000436890 CR3: 000000000a290006 CR4: 0000000000772ef0
[   32.334349][  T481] PKRU: 55555554
[   32.334584][  T481] Call Trace:
[   32.334811][  T481]  <TASK>
[ 32.334965][ T481] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 32.335354][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.335663][ T481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.335971][ T481] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 32.336297][ T481] netif_set_mtu (net/core/dev.c:9652) 
[ 32.336603][ T481] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.336921][ T481] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 32.337237][ T481] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.337470][ T481] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 32.337776][ T481] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 32.338090][ T481] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 32.338428][ T481] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 32.338810][ T481] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 32.339123][ T481] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 32.339440][ T481] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 32.339749][ T481] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 32.340055][ T481] ? __dev_get_by_name (net/core/dev.c:865) 
[ 32.340368][ T481] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 32.340678][ T481] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 32.340989][ T481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.341336][ T481] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 32.341648][ T481] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 32.341964][ T481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.342298][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.342618][ T481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.342920][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.343257][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.343562][ T481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.343869][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.344178][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.344496][ T481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.344801][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.345109][ T481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.345439][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.345746][ T481] ? 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) 
[ 32.346055][ T481] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.346383][ T481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.346688][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.347000][ T481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.347320][ T481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.347630][ T481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.347942][ T481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.348266][ T481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.348572][ T481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.348965][ T481] ___sys_sendmsg (net/socket.c:2670) 
[ 32.349283][ T481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.349590][ T481] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 32.349900][ T481] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 32.350204][ T481] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 32.350532][ T481] ? __handle_mm_fault (mm/memory.c:6212) 
[ 32.350841][ T481] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 32.351144][ T481] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 32.351477][ T481] __sys_sendmsg (net/socket.c:2700) 
[ 32.351784][ T481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.352094][ T481] ? 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) 
[ 32.352419][ T481] ? 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) 
[ 32.352727][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.353034][ T481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.353351][ T481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.353728][  T481] RIP: 0033:0x7f225215c1e7
[ 32.354042][ T481] 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)
[   32.355153][  T481] RSP: 002b:00007ffde7a059b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.355625][  T481] RAX: ffffffffffffffda RBX: 00007ffde7a060f0 RCX: 00007f225215c1e7
[   32.356084][  T481] RDX: 0000000000000000 RSI: 00007ffde7a05a20 RDI: 0000000000000005
[   32.356559][  T481] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   32.357015][  T481] R10: 00007f22520546f8 R11: 0000000000000246 R12: 00007ffde7a06110
[   32.357480][  T481] R13: 00000000686e4faf R14: 0000000000499600 R15: 00007ffde7a05b0c
| [   35.611332][  T524] ------------[ cut here ]------------
| [ 35.611679][ T524] WARNING: CPU: 3 PID: 524 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) 
| [   35.612289][  T524] Modules linked in: ip_gre gre
| [   35.613229][  T524] Tainted: [W]=WARN
[   35.613461][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.613841][ T524] 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) 
[ 35.614150][ T524] 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
[   35.615242][  T524] RSP: 0018:ffffc90000e37000 EFLAGS: 00010246
[   35.615632][  T524] RAX: 0000000000000000 RBX: ffff88800f371000 RCX: 0000000000000001
[   35.616084][  T524] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   35.616566][  T524] RBP: ffffc90000e370e8 R08: ffff88800f371218 R09: 0000000000000000
[   35.617035][  T524] R10: ffffc90000e37118 R11: ffff8880115715f0 R12: 1ffff920001c6e04
[   35.617534][  T524] R13: 00000000000005b6 R14: ffffc90000e37118 R15: ffff88800f371218
[   35.617989][  T524] FS:  00007f3d920c1800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   35.618560][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.618943][  T524] CR2: 00007f3d921c1130 CR3: 0000000004c13004 CR4: 0000000000772ef0
[   35.619423][  T524] PKRU: 55555554
[   35.619651][  T524] Call Trace:
[   35.619879][  T524]  <TASK>
[ 35.620035][ T524] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 35.620426][ T524] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.620748][ T524] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.621064][ T524] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 35.621405][ T524] netif_set_mtu (net/core/dev.c:9652) 
[ 35.621711][ T524] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.622029][ T524] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 35.622343][ T524] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.622576][ T524] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 35.622879][ T524] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 35.623196][ T524] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 35.623518][ T524] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 35.623897][ T524] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.624211][ T524] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 35.624534][ T524] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 35.624841][ T524] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 35.625145][ T524] ? __dev_get_by_name (net/core/dev.c:865) 
[ 35.625459][ T524] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 35.625764][ T524] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 35.626074][ T524] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.626386][ T524] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 35.626706][ T524] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 35.627020][ T524] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.627341][ T524] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.627677][ T524] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.627996][ T524] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.628336][ T524] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.628648][ T524] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.628952][ T524] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.629269][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.629597][ T524] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.629915][ T524] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.630246][ T524] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.630565][ T524] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.630884][ T524] ? 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) 
[ 35.631191][ T524] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.631508][ T524] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.631811][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.632134][ T524] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.632464][ T524] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.632783][ T524] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.633126][ T524] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.633458][ T524] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.633762][ T524] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.634165][ T524] ___sys_sendmsg (net/socket.c:2670) 
[ 35.634480][ T524] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.634783][ T524] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 35.635103][ T524] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 35.635442][ T524] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 35.635755][ T524] ? __handle_mm_fault (mm/memory.c:6212) 
[ 35.636068][ T524] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 35.636385][ T524] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 35.636723][ T524] __sys_sendmsg (net/socket.c:2700) 
[ 35.637029][ T524] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.637372][ T524] ? 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) 
[ 35.637698][ T524] ? 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) 
[ 35.638006][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.638346][ T524] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.638655][ T524] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.639042][  T524] RIP: 0033:0x7f3d9228e1e7
[ 35.639371][ T524] 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)
[   35.640471][  T524] RSP: 002b:00007ffe8269dfa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.640948][  T524] RAX: ffffffffffffffda RBX: 00007ffe8269e6e0 RCX: 00007f3d9228e1e7
[   35.641426][  T524] RDX: 0000000000000000 RSI: 00007ffe8269e010 RDI: 0000000000000005
[   35.641894][  T524] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   35.642360][  T524] R10: 00007f3d921866f8 R11: 0000000000000246 R12: 00007ffe8269e700
[   35.642814][  T524] R13: 00000000686e4fb3 R14: 0000000000499600 R15: 00007ffe8269e0fc
| [   35.766803][  T525] ------------[ cut here ]------------
| [ 35.767174][ T525] WARNING: CPU: 3 PID: 525 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) 
| [   35.767823][  T525] Modules linked in: ip_gre gre
| [   35.768809][  T525] Tainted: [W]=WARN
[   35.769048][  T525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.769440][ T525] 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) 
[ 35.769753][ T525] 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
[   35.770853][  T525] RSP: 0018:ffffc90000e47000 EFLAGS: 00010246
[   35.771248][  T525] RAX: 0000000000000000 RBX: ffff88800becc000 RCX: 0000000000000001
[   35.771706][  T525] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   35.772158][  T525] RBP: ffffc90000e470e8 R08: ffff88800becc218 R09: 0000000000000000
[   35.772628][  T525] R10: ffffc90000e47118 R11: ffff8880115745f0 R12: 1ffff920001c8e04
[   35.773083][  T525] R13: 00000000000005b6 R14: ffffc90000e47118 R15: ffff88800becc218
[   35.773551][  T525] FS:  00007fd83f7ac800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   35.774081][  T525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.774477][  T525] CR2: 0000000000436890 CR3: 0000000011470006 CR4: 0000000000772ef0
[   35.774937][  T525] PKRU: 55555554
[   35.775178][  T525] Call Trace:
[   35.775415][  T525]  <TASK>
[ 35.775572][ T525] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 35.775952][ T525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.776270][ T525] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.776595][ T525] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 35.776910][ T525] netif_set_mtu (net/core/dev.c:9652) 
[ 35.777212][ T525] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.777559][ T525] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 35.777864][ T525] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.778095][ T525] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 35.778419][ T525] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 35.778732][ T525] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 35.779045][ T525] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 35.779433][ T525] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.779746][ T525] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 35.780062][ T525] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 35.780382][ T525] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 35.780683][ T525] ? __dev_get_by_name (net/core/dev.c:865) 
[ 35.780987][ T525] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 35.781325][ T525] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 35.781637][ T525] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.781958][ T525] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 35.782278][ T525] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 35.782610][ T525] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.782936][ T525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.783275][ T525] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.783599][ T525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.783921][ T525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.784254][ T525] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.784584][ T525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.784908][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.785237][ T525] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.785569][ T525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.785888][ T525] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.786232][ T525] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.786547][ T525] ? 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) 
[ 35.786853][ T525] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.787160][ T525] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.787475][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.787784][ T525] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.788091][ T525] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.788416][ T525] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.788729][ T525] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.789034][ T525] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.789345][ T525] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.789737][ T525] ___sys_sendmsg (net/socket.c:2670) 
[ 35.790043][ T525] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.790356][ T525] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 35.790667][ T525] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 35.790984][ T525] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 35.791305][ T525] ? __handle_mm_fault (mm/memory.c:6212) 
[ 35.791617][ T525] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 35.791927][ T525] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 35.792263][ T525] __sys_sendmsg (net/socket.c:2700) 
[ 35.792573][ T525] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.792874][ T525] ? 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) 
[ 35.793193][ T525] ? 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) 
[ 35.793515][ T525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.793822][ T525] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.794126][ T525] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.794512][  T525] RIP: 0033:0x7fd83f9791e7
[ 35.794824][ T525] 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)
[   35.795930][  T525] RSP: 002b:00007ffde62e8e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.796413][  T525] RAX: ffffffffffffffda RBX: 00007ffde62e9540 RCX: 00007fd83f9791e7
[   35.796885][  T525] RDX: 0000000000000000 RSI: 00007ffde62e8e70 RDI: 0000000000000005
[   35.797352][  T525] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   35.797804][  T525] R10: 00007fd83f8716f8 R11: 0000000000000246 R12: 00007ffde62e9560
[   35.798273][  T525] R13: 00000000686e4fb3 R14: 0000000000499600 R15: 00007ffde62e8f5c
| [   39.730105][  T575] ------------[ cut here ]------------
| [ 39.730915][ T575] WARNING: CPU: 0 PID: 575 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) 
| [   39.731549][  T575] Modules linked in: ip_gre gre
| [   39.732526][  T575] Tainted: [W]=WARN
[   39.732768][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.733163][ T575] 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) 
[ 39.733512][ T575] 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
[   39.734655][  T575] RSP: 0018:ffffc90000fc7000 EFLAGS: 00010246
[   39.735058][  T575] RAX: 0000000000000000 RBX: ffff888008dc1000 RCX: 0000000000000001
[   39.735543][  T575] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   39.736017][  T575] RBP: ffffc90000fc70e8 R08: ffff888008dc1218 R09: 0000000000000000
[   39.736500][  T575] R10: ffffc90000fc7118 R11: ffff88800ea315f0 R12: 1ffff920001f8e04
[   39.736982][  T575] R13: 00000000000005b6 R14: ffffc90000fc7118 R15: ffff888008dc1218
[   39.737475][  T575] FS:  00007fe81ae0d800(0000) GS:ffff8880b1799000(0000) knlGS:0000000000000000
[   39.738037][  T575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.738452][  T575] CR2: 000000000049c120 CR3: 0000000004c14004 CR4: 0000000000772ef0
[   39.738930][  T575] PKRU: 55555554
[   39.739168][  T575] Call Trace:
[   39.739409][  T575]  <TASK>
[ 39.739570][ T575] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 39.739964][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.740293][ T575] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.740612][ T575] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 39.740936][ T575] netif_set_mtu (net/core/dev.c:9652) 
[ 39.741269][ T575] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.741601][ T575] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 39.741919][ T575] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.742158][ T575] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 39.742499][ T575] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 39.742824][ T575] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 39.743149][ T575] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 39.743552][ T575] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.743877][ T575] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 39.744196][ T575] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 39.744528][ T575] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 39.744847][ T575] ? __dev_get_by_name (net/core/dev.c:865) 
[ 39.745161][ T575] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 39.745494][ T575] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 39.745820][ T575] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.746133][ T575] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 39.746461][ T575] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 39.746788][ T575] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.747111][ T575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.747448][ T575] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.747762][ T575] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.748080][ T575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.748414][ T575] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.748733][ T575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.749054][ T575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.749386][ T575] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.749701][ T575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.750020][ T575] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.750352][ T575] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.750669][ T575] ? 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) 
[ 39.750986][ T575] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.751314][ T575] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.751630][ T575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.751954][ T575] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.752284][ T575] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.752599][ T575] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.752920][ T575] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.753262][ T575] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.753585][ T575] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.753975][ T575] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 39.754313][ T575] ___sys_sendmsg (net/socket.c:2670) 
[ 39.754636][ T575] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.754957][ T575] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.755278][ T575] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.755602][ T575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.755926][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.756252][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.756569][ T575] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 39.756889][ T575] __sys_sendmsg (net/socket.c:2700) 
[ 39.757202][ T575] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 39.757617][ T575] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.757953][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.758287][ T575] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.758609][ T575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.758999][  T575] RIP: 0033:0x7fe81afda1e7
[ 39.759329][ T575] 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)
[   39.760463][  T575] RSP: 002b:00007ffd616c8d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.760937][  T575] RAX: ffffffffffffffda RBX: 00007ffd616c9480 RCX: 00007fe81afda1e7
[   39.761428][  T575] RDX: 0000000000000000 RSI: 00007ffd616c8db0 RDI: 0000000000000005
[   39.761909][  T575] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   39.762387][  T575] R10: 00007fe81aed26f8 R11: 0000000000000246 R12: 00007ffd616c94a0
[   39.762857][  T575] R13: 00000000686e4fb7 R14: 0000000000499600 R15: 00007ffd616c8e9c
| [   39.896098][  T576] ------------[ cut here ]------------
| [ 39.896593][ T576] WARNING: CPU: 2 PID: 576 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) 
| [   39.897255][  T576] Modules linked in: ip_gre gre
| [   39.898273][  T576] Tainted: [W]=WARN
[   39.898528][  T576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.898935][ T576] 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) 
[ 39.899292][ T576] 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
[   39.900452][  T576] RSP: 0018:ffffc90000fc7000 EFLAGS: 00010246
[   39.900869][  T576] RAX: 0000000000000000 RBX: ffff88800907c000 RCX: 0000000000000001
[   39.901399][  T576] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   39.901885][  T576] RBP: ffffc90000fc70e8 R08: ffff88800907c218 R09: 0000000000000000
[   39.902383][  T576] R10: ffffc90000fc7118 R11: ffff888009ab45f0 R12: 1ffff920001f8e04
[   39.902870][  T576] R13: 00000000000005b6 R14: ffffc90000fc7118 R15: ffff88800907c218
[   39.903369][  T576] FS:  00007faa3302a800(0000) GS:ffff8880b1899000(0000) knlGS:0000000000000000
[   39.903935][  T576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.904369][  T576] CR2: 000000000049c120 CR3: 00000000091f3006 CR4: 0000000000772ef0
[   39.904867][  T576] PKRU: 55555554
[   39.905121][  T576] Call Trace:
[   39.905384][  T576]  <TASK>
[ 39.905559][ T576] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 39.905974][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.906319][ T576] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.906654][ T576] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 39.906995][ T576] netif_set_mtu (net/core/dev.c:9652) 
[ 39.907338][ T576] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.907683][ T576] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 39.908015][ T576] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.908339][ T576] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 39.908680][ T576] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 39.909017][ T576] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 39.909366][ T576] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 39.909773][ T576] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.910113][ T576] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 39.910459][ T576] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 39.910797][ T576] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 39.911122][ T576] ? __dev_get_by_name (net/core/dev.c:865) 
[ 39.911463][ T576] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 39.911793][ T576] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 39.912130][ T576] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.912481][ T576] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 39.912826][ T576] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 39.913170][ T576] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.913518][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.913861][ T576] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.914187][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.914531][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.914858][ T576] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.915190][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.915533][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.915873][ T576] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.916201][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.916559][ T576] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.916904][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.917246][ T576] ? 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) 
[ 39.917577][ T576] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.917910][ T576] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.918250][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.918593][ T576] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.918929][ T576] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.919272][ T576] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.919609][ T576] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.919944][ T576] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.920295][ T576] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.920708][ T576] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 39.921050][ T576] ___sys_sendmsg (net/socket.c:2670) 
[ 39.921393][ T576] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.921724][ T576] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.922053][ T576] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.922399][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.922741][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.923076][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.923417][ T576] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 39.923749][ T576] __sys_sendmsg (net/socket.c:2700) 
[ 39.924078][ T576] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 39.924505][ T576] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.924852][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.925182][ T576] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.925527][ T576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.925936][  T576] RIP: 0033:0x7faa331f71e7
[ 39.926284][ T576] 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)
[   39.927433][  T576] RSP: 002b:00007ffe0b1b0a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.927921][  T576] RAX: ffffffffffffffda RBX: 00007ffe0b1b1170 RCX: 00007faa331f71e7
[   39.928437][  T576] RDX: 0000000000000000 RSI: 00007ffe0b1b0aa0 RDI: 0000000000000005
[   39.928948][  T576] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   39.929450][  T576] R10: 00007faa330ef6f8 R11: 0000000000000246 R12: 00007ffe0b1b1190
[   39.929936][  T576] R13: 00000000686e4fb7 R14: 0000000000499600 R15: 00007ffe0b1b0b8c
| [   43.468247][  T626] ------------[ cut here ]------------
| [ 43.468623][ T626] WARNING: CPU: 2 PID: 626 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) 
| [   43.469249][  T626] Modules linked in: ip_gre gre
| [   43.470200][  T626] Tainted: [W]=WARN
[   43.470455][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.470847][ T626] 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) 
[ 43.471173][ T626] 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
[   43.472278][  T626] RSP: 0018:ffffc900010f7000 EFLAGS: 00010246
[   43.472673][  T626] RAX: 0000000000000000 RBX: ffff888004c49000 RCX: 0000000000000001
[   43.473140][  T626] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   43.473616][  T626] RBP: ffffc900010f70e8 R08: ffff888004c49218 R09: 0000000000000000
[   43.474082][  T626] R10: ffffc900010f7118 R11: ffff88800d19c5f0 R12: 1ffff9200021ee04
[   43.474559][  T626] R13: 00000000000005b6 R14: ffffc900010f7118 R15: ffff888004c49218
[   43.475027][  T626] FS:  00007fe0843d6800(0000) GS:ffff8880b1899000(0000) knlGS:0000000000000000
[   43.475577][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.475977][  T626] CR2: 000000000049c120 CR3: 000000000c58b003 CR4: 0000000000772ef0
[   43.476454][  T626] PKRU: 55555554
[   43.476696][  T626] Call Trace:
[   43.476934][  T626]  <TASK>
[ 43.477103][ T626] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 43.477503][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.477824][ T626] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.478143][ T626] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 43.478489][ T626] netif_set_mtu (net/core/dev.c:9652) 
[ 43.478805][ T626] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 43.479139][ T626] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 43.479464][ T626] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 43.479709][ T626] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 43.480026][ T626] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 43.480379][ T626] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 43.480701][ T626] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 43.481090][ T626] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.481426][ T626] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 43.481747][ T626] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 43.482068][ T626] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 43.482393][ T626] ? __dev_get_by_name (net/core/dev.c:865) 
[ 43.482712][ T626] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 43.483029][ T626] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 43.483360][ T626] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.483674][ T626] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 43.483996][ T626] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 43.484330][ T626] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.484657][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.484986][ T626] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.485310][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.485629][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.485950][ T626] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.486278][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.486601][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.486923][ T626] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.487248][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.487564][ T626] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.487894][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.488208][ T626] ? 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) 
[ 43.488555][ T626] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.488876][ T626] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.489188][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.489518][ T626] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.489838][ T626] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.490155][ T626] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.490486][ T626] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.490806][ T626] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.491120][ T626] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.491517][ T626] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 43.491844][ T626] ___sys_sendmsg (net/socket.c:2670) 
[ 43.492165][ T626] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.492492][ T626] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.492806][ T626] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.493126][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.493466][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.493782][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.494099][ T626] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 43.494435][ T626] __sys_sendmsg (net/socket.c:2700) 
[ 43.494755][ T626] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 43.495145][ T626] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.495486][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.495805][ T626] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.496124][ T626] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.496528][  T626] RIP: 0033:0x7fe0845a31e7
[ 43.496854][ T626] 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)
[   43.497966][  T626] RSP: 002b:00007ffdfbb41fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.498458][  T626] RAX: ffffffffffffffda RBX: 00007ffdfbb42720 RCX: 00007fe0845a31e7
[   43.498923][  T626] RDX: 0000000000000000 RSI: 00007ffdfbb42050 RDI: 0000000000000005
[   43.499398][  T626] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   43.499865][  T626] R10: 00007fe08449b6f8 R11: 0000000000000246 R12: 00007ffdfbb42740
[   43.500346][  T626] R13: 00000000686e4fbb R14: 0000000000499600 R15: 00007ffdfbb4213c
| [   43.645323][  T627] ------------[ cut here ]------------
| [ 43.645776][ T627] WARNING: CPU: 2 PID: 627 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) 
| [   43.646418][  T627] Modules linked in: ip_gre gre
| [   43.647395][  T627] Tainted: [W]=WARN
[   43.647646][  T627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.648041][ T627] 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) 
[ 43.648386][ T627] 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
[   43.649484][  T627] RSP: 0018:ffffc90001067000 EFLAGS: 00010246
[   43.649889][  T627] RAX: 0000000000000000 RBX: ffff88800ab61000 RCX: 0000000000000001
[   43.650364][  T627] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   43.650828][  T627] RBP: ffffc900010670e8 R08: ffff88800ab61218 R09: 0000000000000000
[   43.651302][  T627] R10: ffffc90001067118 R11: ffff88800fb615f0 R12: 1ffff9200020ce04
[   43.651771][  T627] R13: 00000000000005b6 R14: ffffc90001067118 R15: ffff88800ab61218
[   43.652248][  T627] FS:  00007f462df02800(0000) GS:ffff8880b1899000(0000) knlGS:0000000000000000
[   43.652793][  T627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.653189][  T627] CR2: 000000000049c120 CR3: 0000000002be6004 CR4: 0000000000772ef0
[   43.653668][  T627] PKRU: 55555554
[   43.653913][  T627] Call Trace:
[   43.654151][  T627]  <TASK>
[ 43.654330][ T627] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 43.654719][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.655037][ T627] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.655365][ T627] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 43.655691][ T627] netif_set_mtu (net/core/dev.c:9652) 
[ 43.656005][ T627] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 43.656350][ T627] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 43.656668][ T627] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 43.656914][ T627] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 43.657239][ T627] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 43.657565][ T627] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 43.657886][ T627] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 43.658292][ T627] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.658622][ T627] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 43.658941][ T627] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 43.659271][ T627] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 43.659593][ T627] ? __dev_get_by_name (net/core/dev.c:865) 
[ 43.659907][ T627] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 43.660235][ T627] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 43.660559][ T627] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.660874][ T627] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 43.661200][ T627] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 43.661538][ T627] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.661860][ T627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.662186][ T627] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.662511][ T627] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.662829][ T627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.663144][ T627] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.663471][ T627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.663798][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.664118][ T627] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.664446][ T627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.664763][ T627] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.665090][ T627] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.665413][ T627] ? 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) 
[ 43.665737][ T627] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.666055][ T627] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.666379][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.666700][ T627] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.667021][ T627] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.667346][ T627] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.667673][ T627] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.667990][ T627] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.668329][ T627] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.668716][ T627] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 43.669044][ T627] ___sys_sendmsg (net/socket.c:2670) 
[ 43.669387][ T627] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.669709][ T627] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.670022][ T627] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.670354][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.670682][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.670998][ T627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.671324][ T627] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 43.671643][ T627] __sys_sendmsg (net/socket.c:2700) 
[ 43.671956][ T627] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 43.672353][ T627] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.672682][ T627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.673000][ T627] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.673328][ T627] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.673715][  T627] RIP: 0033:0x7f462e0cf1e7
[ 43.674038][ T627] 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)
[   43.675139][  T627] RSP: 002b:00007ffcbf9bd4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.675621][  T627] RAX: ffffffffffffffda RBX: 00007ffcbf9bdbf0 RCX: 00007f462e0cf1e7
[   43.676085][  T627] RDX: 0000000000000000 RSI: 00007ffcbf9bd520 RDI: 0000000000000005
[   43.676558][  T627] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   43.677025][  T627] R10: 00007f462dfc76f8 R11: 0000000000000246 R12: 00007ffcbf9bdc10
[   43.677505][  T627] R13: 00000000686e4fbb R14: 0000000000499600 R15: 00007ffcbf9bd60c
| [   47.454916][  T676] ------------[ cut here ]------------
| [ 47.455333][ T676] WARNING: CPU: 3 PID: 676 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) 
| [   47.455933][  T676] Modules linked in: ip_gre gre
| [   47.456866][  T676] Tainted: [W]=WARN
[   47.457094][  T676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.457480][ T676] 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) 
[ 47.457792][ T676] 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
[   47.458889][  T676] RSP: 0018:ffffc90001267000 EFLAGS: 00010246
[   47.459280][  T676] RAX: 0000000000000000 RBX: ffff888009049000 RCX: 0000000000000001
[   47.459736][  T676] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   47.460188][  T676] RBP: ffffc900012670e8 R08: ffff888009049218 R09: 0000000000000000
[   47.460649][  T676] R10: ffffc90001267118 R11: ffff88800d2f15f0 R12: 1ffff9200024ce04
[   47.461100][  T676] R13: 00000000000005b6 R14: ffffc90001267118 R15: ffff888009049218
[   47.461578][  T676] FS:  00007f4e6dc9d800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   47.462110][  T676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.462501][  T676] CR2: 0000000000436890 CR3: 0000000011926003 CR4: 0000000000772ef0
[   47.462959][  T676] PKRU: 55555554
[   47.463187][  T676] Call Trace:
[   47.463420][  T676]  <TASK>
[ 47.463579][ T676] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 47.463956][ T676] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.464268][ T676] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.464574][ T676] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 47.464887][ T676] netif_set_mtu (net/core/dev.c:9652) 
[ 47.465189][ T676] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.465510][ T676] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 47.465816][ T676] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.466049][ T676] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 47.466364][ T676] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 47.466677][ T676] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 47.466984][ T676] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 47.467369][ T676] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 47.467684][ T676] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 47.467990][ T676] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 47.468312][ T676] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 47.468614][ T676] ? __dev_get_by_name (net/core/dev.c:865) 
[ 47.468915][ T676] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.469228][ T676] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.469541][ T676] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.469842][ T676] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 47.470150][ T676] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 47.470470][ T676] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.470780][ T676] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.471097][ T676] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.471405][ T676] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.471711][ T676] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.472018][ T676] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.472333][ T676] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.472639][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.472949][ T676] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.473259][ T676] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.473564][ T676] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.473882][ T676] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.474184][ T676] ? 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) 
[ 47.474499][ T676] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.474805][ T676] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.475108][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.475425][ T676] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.475741][ T676] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.476047][ T676] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.476370][ T676] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.476678][ T676] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.476980][ T676] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.477378][ T676] ___sys_sendmsg (net/socket.c:2670) 
[ 47.477682][ T676] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.477987][ T676] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 47.478308][ T676] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 47.478614][ T676] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 47.478920][ T676] ? __handle_mm_fault (mm/memory.c:6212) 
[ 47.479232][ T676] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 47.479534][ T676] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 47.479855][ T676] __sys_sendmsg (net/socket.c:2700) 
[ 47.480157][ T676] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.480469][ T676] ? 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) 
[ 47.480780][ T676] ? 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) 
[ 47.481087][ T676] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.481399][ T676] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.481705][ T676] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.482079][  T676] RIP: 0033:0x7f4e6de6a1e7
[ 47.482399][ T676] 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)
[   47.483484][  T676] RSP: 002b:00007ffe11378b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.483947][  T676] RAX: ffffffffffffffda RBX: 00007ffe11379260 RCX: 00007f4e6de6a1e7
[   47.484405][  T676] RDX: 0000000000000000 RSI: 00007ffe11378b90 RDI: 0000000000000005
[   47.484859][  T676] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   47.485320][  T676] R10: 00007f4e6dd626f8 R11: 0000000000000246 R12: 00007ffe11379280
[   47.485774][  T676] R13: 00000000686e4fbf R14: 0000000000499600 R15: 00007ffe11378c7c
| [   47.599328][  T677] ------------[ cut here ]------------
| [ 47.599656][ T677] WARNING: CPU: 0 PID: 677 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) 
| [   47.600269][  T677] Modules linked in: ip_gre gre
| [   47.601189][  T677] Tainted: [W]=WARN
[   47.601426][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.601809][ T677] 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) 
[ 47.602121][ T677] 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
[   47.603209][  T677] RSP: 0018:ffffc90001277000 EFLAGS: 00010246
[   47.603600][  T677] RAX: 0000000000000000 RBX: ffff88800f1f9000 RCX: 0000000000000001
[   47.604062][  T677] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   47.604522][  T677] RBP: ffffc900012770e8 R08: ffff88800f1f9218 R09: 0000000000000000
[   47.604977][  T677] R10: ffffc90001277118 R11: ffff88800fa895f0 R12: 1ffff9200024ee04
[   47.605438][  T677] R13: 00000000000005b6 R14: ffffc90001277118 R15: ffff88800f1f9218
[   47.605894][  T677] FS:  00007f7180991800(0000) GS:ffff8880b1799000(0000) knlGS:0000000000000000
[   47.606432][  T677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.606815][  T677] CR2: 00007f7180a91130 CR3: 000000000fb4a001 CR4: 0000000000772ef0
[   47.607280][  T677] PKRU: 55555554
[   47.607508][  T677] Call Trace:
[   47.607732][  T677]  <TASK>
[ 47.607888][ T677] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 47.608280][ T677] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.608585][ T677] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.608889][ T677] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 47.609201][ T677] netif_set_mtu (net/core/dev.c:9652) 
[ 47.609512][ T677] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.609826][ T677] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 47.610129][ T677] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.610370][ T677] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 47.610679][ T677] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 47.610989][ T677] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 47.611305][ T677] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 47.611682][ T677] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 47.611993][ T677] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 47.612307][ T677] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 47.612615][ T677] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 47.612915][ T677] ? __dev_get_by_name (net/core/dev.c:865) 
[ 47.613290][ T677] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.613612][ T677] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.613936][ T677] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.614262][ T677] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 47.614591][ T677] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 47.614922][ T677] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.615256][ T677] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.615592][ T677] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.615908][ T677] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.616238][ T677] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.616559][ T677] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.616880][ T677] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.617203][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.617553][ T677] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.617876][ T677] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.618198][ T677] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.618551][ T677] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.618871][ T677] ? 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) 
[ 47.619193][ T677] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.619524][ T677] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.619845][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.620171][ T677] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.620502][ T677] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.620823][ T677] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.621148][ T677] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.621478][ T677] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.621796][ T677] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.622208][ T677] ___sys_sendmsg (net/socket.c:2670) 
[ 47.622540][ T677] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.622860][ T677] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 47.623182][ T677] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 47.623508][ T677] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 47.623830][ T677] ? __handle_mm_fault (mm/memory.c:6212) 
[ 47.624150][ T677] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 47.624475][ T677] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 47.624814][ T677] __sys_sendmsg (net/socket.c:2700) 
[ 47.625133][ T677] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.625462][ T677] ? 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) 
[ 47.625793][ T677] ? 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) 
[ 47.626114][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.626449][ T677] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.626779][ T677] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.627179][  T677] RIP: 0033:0x7f7180b5e1e7
[ 47.627521][ T677] 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)
[   47.628677][  T677] RSP: 002b:00007ffebb7806a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.629164][  T677] RAX: ffffffffffffffda RBX: 00007ffebb780de0 RCX: 00007f7180b5e1e7
[   47.629653][  T677] RDX: 0000000000000000 RSI: 00007ffebb780710 RDI: 0000000000000005
[   47.630138][  T677] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   47.630625][  T677] R10: 00007f7180a566f8 R11: 0000000000000246 R12: 00007ffebb780e00
[   47.631107][  T677] R13: 00000000686e4fbf R14: 0000000000499600 R15: 00007ffebb7807fc
| [   51.621676][  T720] ------------[ cut here ]------------
| [ 51.622081][ T720] WARNING: CPU: 3 PID: 720 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) 
| [   51.622692][  T720] Modules linked in: ip_gre gre
| [   51.623626][  T720] Tainted: [W]=WARN
[   51.623856][  T720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.624243][ T720] 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) 
[ 51.624556][ T720] 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
[   51.625651][  T720] RSP: 0018:ffffc900013b7000 EFLAGS: 00010246
[   51.626040][  T720] RAX: 0000000000000000 RBX: ffff888007f71000 RCX: 0000000000000001
[   51.626504][  T720] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   51.626957][  T720] RBP: ffffc900013b70e8 R08: ffff888007f71218 R09: 0000000000000000
[   51.627421][  T720] R10: ffffc900013b7118 R11: ffff88800fa8c5f0 R12: 1ffff92000276e04
[   51.627873][  T720] R13: 00000000000005b6 R14: ffffc900013b7118 R15: ffff888007f71218
[   51.628342][  T720] FS:  00007fdffabee800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   51.628875][  T720] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.629272][  T720] CR2: 0000000000436890 CR3: 0000000005194005 CR4: 0000000000772ef0
[   51.629730][  T720] PKRU: 55555554
[   51.629956][  T720] Call Trace:
[   51.630182][  T720]  <TASK>
[ 51.630344][ T720] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 51.630722][ T720] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.631030][ T720] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 51.631350][ T720] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 51.631671][ T720] netif_set_mtu (net/core/dev.c:9652) 
[ 51.631972][ T720] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 51.632296][ T720] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 51.632602][ T720] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 51.632832][ T720] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 51.633135][ T720] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 51.633458][ T720] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 51.633767][ T720] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 51.634143][ T720] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 51.634465][ T720] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 51.634772][ T720] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 51.635078][ T720] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 51.635387][ T720] ? __dev_get_by_name (net/core/dev.c:865) 
[ 51.635690][ T720] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 51.635992][ T720] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 51.636321][ T720] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 51.636625][ T720] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 51.636935][ T720] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 51.637258][ T720] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 51.637567][ T720] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.637881][ T720] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 51.638180][ T720] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.638505][ T720] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.638809][ T720] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 51.639112][ T720] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.639429][ T720] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.639742][ T720] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 51.640044][ T720] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.640355][ T720] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 51.640673][ T720] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 51.640981][ T720] ? 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) 
[ 51.641293][ T720] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 51.641602][ T720] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 51.641905][ T720] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.642214][ T720] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.642530][ T720] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 51.642836][ T720] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 51.643146][ T720] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.643460][ T720] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 51.643762][ T720] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 51.644156][ T720] ___sys_sendmsg (net/socket.c:2670) 
[ 51.644472][ T720] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 51.644775][ T720] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 51.645084][ T720] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 51.645395][ T720] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 51.645703][ T720] ? __handle_mm_fault (mm/memory.c:6212) 
[ 51.646006][ T720] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 51.646315][ T720] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 51.646641][ T720] __sys_sendmsg (net/socket.c:2700) 
[ 51.646945][ T720] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 51.647255][ T720] ? 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) 
[ 51.647566][ T720] ? 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) 
[ 51.647868][ T720] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.648175][ T720] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.648508][ T720] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.648888][  T720] RIP: 0033:0x7fdffadbb1e7
[ 51.649202][ T720] 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)
[   51.650294][  T720] RSP: 002b:00007ffd4e4c0d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   51.650754][  T720] RAX: ffffffffffffffda RBX: 00007ffd4e4c1450 RCX: 00007fdffadbb1e7
[   51.651206][  T720] RDX: 0000000000000000 RSI: 00007ffd4e4c0d80 RDI: 0000000000000005
[   51.651671][  T720] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   51.652124][  T720] R10: 00007fdffacb36f8 R11: 0000000000000246 R12: 00007ffd4e4c1470
[   51.652584][  T720] R13: 00000000686e4fc3 R14: 0000000000499600 R15: 00007ffd4e4c0e6c
| [   51.788716][  T721] ------------[ cut here ]------------
| [ 51.789069][ T721] WARNING: CPU: 0 PID: 721 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) 
| [   51.789698][  T721] Modules linked in: ip_gre gre
| [   51.790633][  T721] Tainted: [W]=WARN
[   51.790862][  T721] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.791254][ T721] 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) 
[ 51.791570][ T721] 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
[   51.792679][  T721] RSP: 0018:ffffc900013c7000 EFLAGS: 00010246
[   51.793067][  T721] RAX: 0000000000000000 RBX: ffff88800e6a1000 RCX: 0000000000000001
[   51.793530][  T721] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   51.793983][  T721] RBP: ffffc900013c70e8 R08: ffff88800e6a1218 R09: 0000000000000000
[   51.794465][  T721] R10: ffffc900013c7118 R11: ffff88800bb5c5f0 R12: 1ffff92000278e04
[   51.794919][  T721] R13: 00000000000005b6 R14: ffffc900013c7118 R15: ffff88800e6a1218
[   51.795380][  T721] FS:  00007f07a9388800(0000) GS:ffff8880b1799000(0000) knlGS:0000000000000000
[   51.795912][  T721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.796313][  T721] CR2: 0000000000436890 CR3: 0000000009528003 CR4: 0000000000772ef0
[   51.796776][  T721] PKRU: 55555554
[   51.797003][  T721] Call Trace:
[   51.797237][  T721]  <TASK>
[ 51.797391][ T721] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 51.797768][ T721] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.798073][ T721] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 51.798401][ T721] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 51.798721][ T721] netif_set_mtu (net/core/dev.c:9652) 
[ 51.799023][ T721] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 51.799349][ T721] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 51.799654][ T721] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 51.799885][ T721] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 51.800189][ T721] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 51.800507][ T721] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 51.800820][ T721] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 51.801201][ T721] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 51.801522][ T721] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 51.801829][ T721] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 51.802135][ T721] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 51.802443][ T721] ? __dev_get_by_name (net/core/dev.c:865) 
[ 51.802748][ T721] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 51.803054][ T721] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 51.803372][ T721] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 51.803672][ T721] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 51.803981][ T721] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 51.804312][ T721] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 51.804626][ T721] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.804940][ T721] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 51.805251][ T721] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.805561][ T721] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.805863][ T721] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 51.806170][ T721] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.806484][ T721] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.806792][ T721] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 51.807094][ T721] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.807405][ T721] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 51.807722][ T721] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 51.808021][ T721] ? 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) 
[ 51.808349][ T721] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 51.808656][ T721] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 51.808957][ T721] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.809278][ T721] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.809586][ T721] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 51.809891][ T721] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 51.810200][ T721] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.810514][ T721] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 51.810816][ T721] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 51.811204][ T721] ___sys_sendmsg (net/socket.c:2670) 
[ 51.811518][ T721] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 51.811821][ T721] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 51.812128][ T721] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 51.812448][ T721] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 51.812761][ T721] ? __handle_mm_fault (mm/memory.c:6212) 
[ 51.813062][ T721] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 51.813372][ T721] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 51.813693][ T721] __sys_sendmsg (net/socket.c:2700) 
[ 51.813995][ T721] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 51.814309][ T721] ? 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) 
[ 51.814619][ T721] ? 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) 
[ 51.814923][ T721] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.815237][ T721] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.815541][ T721] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.815915][  T721] RIP: 0033:0x7f07a95551e7
[ 51.816243][ T721] 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)
[   51.817341][  T721] RSP: 002b:00007ffe1cc11bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   51.817798][  T721] RAX: ffffffffffffffda RBX: 00007ffe1cc122f0 RCX: 00007f07a95551e7
[   51.818259][  T721] RDX: 0000000000000000 RSI: 00007ffe1cc11c20 RDI: 0000000000000005
[   51.818723][  T721] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   51.819175][  T721] R10: 00007f07a944d6f8 R11: 0000000000000246 R12: 00007ffe1cc12310
[   51.819635][  T721] R13: 00000000686e4fc3 R14: 0000000000499600 R15: 00007ffe1cc11d0c
| [   56.620872][  T770] ------------[ cut here ]------------
| [ 56.621288][ T770] WARNING: CPU: 2 PID: 770 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) 
| [   56.621943][  T770] Modules linked in: ip_gre gre
| [   56.622981][  T770] Tainted: [W]=WARN
[   56.623250][  T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.623665][ T770] 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) 
[ 56.624011][ T770] 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
[   56.625177][  T770] RSP: 0018:ffffc90001527000 EFLAGS: 00010246
[   56.625608][  T770] RAX: 0000000000000000 RBX: ffff88800a154000 RCX: 0000000000000001
[   56.626101][  T770] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   56.626616][  T770] RBP: ffffc900015270e8 R08: ffff88800a154218 R09: 0000000000000000
[   56.627110][  T770] R10: ffffc90001527118 R11: ffff88800f0715f0 R12: 1ffff920002a4e04
[   56.627611][  T770] R13: 00000000000005b6 R14: ffffc90001527118 R15: ffff88800a154218
[   56.628110][  T770] FS:  00007f983b446800(0000) GS:ffff8880b1899000(0000) knlGS:0000000000000000
[   56.628708][  T770] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.629123][  T770] CR2: 000000000049c120 CR3: 00000000053ba004 CR4: 0000000000772ef0
[   56.629627][  T770] PKRU: 55555554
[   56.629879][  T770] Call Trace:
[   56.630137][  T770]  <TASK>
[ 56.630336][ T770] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 56.630751][ T770] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.631088][ T770] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.631435][ T770] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 56.631781][ T770] netif_set_mtu (net/core/dev.c:9652) 
[ 56.632112][ T770] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.632469][ T770] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 56.633027][ T770] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.633296][ T770] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 56.633632][ T770] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 56.633975][ T770] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 56.634548][ T770] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 56.634962][ T770] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.635312][ T770] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 56.635649][ T770] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 56.636205][ T770] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 56.636545][ T770] ? __dev_get_by_name (net/core/dev.c:865) 
[ 56.636877][ T770] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.637209][ T770] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 56.637881][ T770] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.638227][ T770] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.638579][ T770] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 56.638924][ T770] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.639490][ T770] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.639831][ T770] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.640159][ T770] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.640504][ T770] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.641056][ T770] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.641401][ T770] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.641736][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.642077][ T770] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.642429][ T770] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.642774][ T770] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.643117][ T770] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.643463][ T770] ? 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) 
[ 56.644024][ T770] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.644373][ T770] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.644706][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.645047][ T770] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.645393][ T770] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.645729][ T770] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.646070][ T770] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.646424][ T770] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.646988][ T770] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.647410][ T770] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 56.647758][ T770] ___sys_sendmsg (net/socket.c:2670) 
[ 56.648095][ T770] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.648567][ T770] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.649144][ T770] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.649735][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.650170][ T770] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.650758][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.651106][ T770] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 56.651456][ T770] __sys_sendmsg (net/socket.c:2700) 
[ 56.651794][ T770] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 56.652437][ T770] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.652785][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.653115][ T770] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.653681][ T770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.654092][  T770] RIP: 0033:0x7f983b6131e7
[ 56.654452][ T770] 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)
[   56.655860][  T770] RSP: 002b:00007fff23247678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.656374][  T770] RAX: ffffffffffffffda RBX: 00007fff23247db0 RCX: 00007f983b6131e7
[   56.657094][  T770] RDX: 0000000000000000 RSI: 00007fff232476e0 RDI: 0000000000000005
[   56.657602][  T770] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   56.658095][  T770] R10: 00007f983b50b6f8 R11: 0000000000000246 R12: 00007fff23247dd0
[   56.658614][  T770] R13: 00000000686e4fc8 R14: 0000000000499600 R15: 00007fff232477cc
| [   56.806678][  T771] ------------[ cut here ]------------
| [ 56.807022][ T771] WARNING: CPU: 3 PID: 771 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) 
| [   56.807629][  T771] Modules linked in: ip_gre gre
| [   56.808583][  T771] Tainted: [W]=WARN
[   56.808814][  T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.809198][ T771] 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) 
[ 56.809520][ T771] 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
[   56.810620][  T771] RSP: 0018:ffffc900011e7000 EFLAGS: 00010246
[   56.811003][  T771] RAX: 0000000000000000 RBX: ffff88800e6ac000 RCX: 0000000000000001
[   56.811465][  T771] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   56.811922][  T771] RBP: ffffc900011e70e8 R08: ffff88800e6ac218 R09: 0000000000000000
[   56.812382][  T771] R10: ffffc900011e7118 R11: ffff888008b315f0 R12: 1ffff9200023ce04
[   56.812835][  T771] R13: 00000000000005b6 R14: ffffc900011e7118 R15: ffff88800e6ac218
[   56.813296][  T771] FS:  00007f51d6b2f800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   56.813831][  T771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.814231][  T771] CR2: 000000000049c120 CR3: 00000000114c3002 CR4: 0000000000772ef0
[   56.814688][  T771] PKRU: 55555554
[   56.814914][  T771] Call Trace:
[   56.815140][  T771]  <TASK>
[ 56.815303][ T771] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 56.815678][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.815989][ T771] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.816303][ T771] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 56.816616][ T771] netif_set_mtu (net/core/dev.c:9652) 
[ 56.816919][ T771] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.817257][ T771] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 56.817561][ T771] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.817791][ T771] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 56.818095][ T771] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 56.818441][ T771] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 56.818749][ T771] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 56.819125][ T771] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.819445][ T771] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 56.819752][ T771] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 56.820058][ T771] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 56.820371][ T771] ? __dev_get_by_name (net/core/dev.c:865) 
[ 56.820676][ T771] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.820977][ T771] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.821292][ T771] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.821592][ T771] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 56.821900][ T771] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 56.822214][ T771] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.822534][ T771] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.822856][ T771] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.823156][ T771] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.823469][ T771] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.823770][ T771] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.824075][ T771] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.824397][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.824704][ T771] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.825007][ T771] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.825328][ T771] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.825650][ T771] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.825956][ T771] ? 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) 
[ 56.826271][ T771] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.826578][ T771] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.826880][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.827189][ T771] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.827512][ T771] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.827817][ T771] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.828125][ T771] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.828447][ T771] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.828748][ T771] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.829121][ T771] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 56.829446][ T771] ___sys_sendmsg (net/socket.c:2670) 
[ 56.829756][ T771] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.830063][ T771] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.830373][ T771] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.830682][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.830993][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.831307][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.831611][ T771] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 56.831923][ T771] __sys_sendmsg (net/socket.c:2700) 
[ 56.832233][ T771] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 56.832612][ T771] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.832928][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.833242][ T771] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.833552][ T771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.833927][  T771] RIP: 0033:0x7f51d6cfc1e7
[ 56.834248][ T771] 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)
[   56.835342][  T771] RSP: 002b:00007ffcc04d1358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.835800][  T771] RAX: ffffffffffffffda RBX: 00007ffcc04d1a90 RCX: 00007f51d6cfc1e7
[   56.836267][  T771] RDX: 0000000000000000 RSI: 00007ffcc04d13c0 RDI: 0000000000000005
[   56.836720][  T771] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   56.837172][  T771] R10: 00007f51d6bf46f8 R11: 0000000000000246 R12: 00007ffcc04d1ab0
[   56.837636][  T771] R13: 00000000686e4fc8 R14: 0000000000499600 R15: 00007ffcc04d14ac
| [   60.843463][  T814] ------------[ cut here ]------------
| [ 60.843799][ T814] WARNING: CPU: 3 PID: 814 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) 
| [   60.844416][  T814] Modules linked in: ip_gre gre
| [   60.845351][  T814] Tainted: [W]=WARN
[   60.845581][  T814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.845962][ T814] 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) 
[ 60.846283][ T814] 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
[   60.847395][  T814] RSP: 0018:ffffc90001697000 EFLAGS: 00010246
[   60.847782][  T814] RAX: 0000000000000000 RBX: ffff88800a034000 RCX: 0000000000000001
[   60.848247][  T814] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   60.848715][  T814] RBP: ffffc900016970e8 R08: ffff88800a034218 R09: 0000000000000000
[   60.849174][  T814] R10: ffffc90001697118 R11: ffff8880096095f0 R12: 1ffff920002d2e04
[   60.849640][  T814] R13: 00000000000005b6 R14: ffffc90001697118 R15: ffff88800a034218
[   60.850099][  T814] FS:  00007fd729348800(0000) GS:ffff8880b1919000(0000) knlGS:0000000000000000
[   60.850642][  T814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.851028][  T814] CR2: 000000000049c120 CR3: 000000000fb36004 CR4: 0000000000772ef0
[   60.851499][  T814] PKRU: 55555554
[   60.851728][  T814] Call Trace:
[   60.851955][  T814]  <TASK>
[ 60.852110][ T814] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 60.852502][ T814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.852811][ T814] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.853119][ T814] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 60.853460][ T814] netif_set_mtu (net/core/dev.c:9652) 
[ 60.853764][ T814] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.854082][ T814] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 60.854397][ T814] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.854630][ T814] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 60.854939][ T814] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 60.855267][ T814] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 60.855586][ T814] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 60.855965][ T814] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 60.856292][ T814] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 60.856600][ T814] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 60.856916][ T814] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 60.857234][ T814] ? __dev_get_by_name (net/core/dev.c:865) 
[ 60.857540][ T814] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 60.857845][ T814] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 60.858156][ T814] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.858492][ T814] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 60.858804][ T814] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 60.859120][ T814] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.859445][ T814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.859763][ T814] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.860069][ T814] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.860391][ T814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.860697][ T814] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.861008][ T814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.861328][ T814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.861638][ T814] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.861942][ T814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.862255][ T814] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.862585][ T814] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.862888][ T814] ? 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) 
[ 60.863193][ T814] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 60.863513][ T814] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.863817][ T814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.864127][ T814] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.864450][ T814] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.864760][ T814] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.865071][ T814] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.865389][ T814] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.865697][ T814] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.866074][ T814] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 60.866401][ T814] ___sys_sendmsg (net/socket.c:2670) 
[ 60.866711][ T814] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.867019][ T814] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.867329][ T814] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.867642][ T814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.867957][ T814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.868268][ T814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.868595][ T814] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 60.868919][ T814] __sys_sendmsg (net/socket.c:2700) 
[ 60.869248][ T814] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 60.869645][ T814] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.869977][ T814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.870310][ T814] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.870641][ T814] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.871034][  T814] RIP: 0033:0x7fd7295151e7
[ 60.871370][ T814] 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)
[   60.872516][  T814] RSP: 002b:00007fffc1740c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.872996][  T814] RAX: ffffffffffffffda RBX: 00007fffc17413c0 RCX: 00007fd7295151e7
[   60.873480][  T814] RDX: 0000000000000000 RSI: 00007fffc1740cf0 RDI: 0000000000000005
[   60.873958][  T814] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   60.874431][  T814] R10: 00007fd72940d6f8 R11: 0000000000000246 R12: 00007fffc17413e0
[   60.874884][  T814] R13: 00000000686e4fcc R14: 0000000000499600 R15: 00007fffc1740ddc
| [   61.020663][  T815] ------------[ cut here ]------------
| [ 61.021044][ T815] WARNING: CPU: 2 PID: 815 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) 
| [   61.021795][  T815] Modules linked in: ip_gre gre
| [   61.022767][  T815] Tainted: [W]=WARN
[   61.023012][  T815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.023426][ T815] 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) 
[ 61.023759][ T815] 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
[   61.024869][  T815] RSP: 0018:ffffc900016a7000 EFLAGS: 00010246
[   61.025281][  T815] RAX: 0000000000000000 RBX: ffff88800e6b1000 RCX: 0000000000000001
[   61.025751][  T815] RDX: 0000000000000000 RSI: ffffffffb9110759 RDI: ffffffffb8858280
[   61.026227][  T815] RBP: ffffc900016a70e8 R08: ffff88800e6b1218 R09: 0000000000000000
[   61.026693][  T815] R10: ffffc900016a7118 R11: ffff88800d1495f0 R12: 1ffff920002d4e04
[   61.027164][  T815] R13: 00000000000005b6 R14: ffffc900016a7118 R15: ffff88800e6b1218
[   61.027650][  T815] FS:  00007f2b982a1800(0000) GS:ffff8880b1899000(0000) knlGS:0000000000000000
[   61.028202][  T815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.028617][  T815] CR2: 000000000049c120 CR3: 000000000bb7a005 CR4: 0000000000772ef0
[   61.029091][  T815] PKRU: 55555554
[   61.029341][  T815] Call Trace:
[   61.029581][  T815]  <TASK>
[ 61.029758][ T815] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 61.030145][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.030477][ T815] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.030795][ T815] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 61.031124][ T815] netif_set_mtu (net/core/dev.c:9652) 
[ 61.031460][ T815] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.031790][ T815] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 61.032106][ T815] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.032363][ T815] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 61.032681][ T815] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 61.033009][ T815] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 61.033343][ T815] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 61.033735][ T815] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 61.034059][ T815] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 61.034389][ T815] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 61.034716][ T815] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 61.035035][ T815] ? __dev_get_by_name (net/core/dev.c:865) 
[ 61.035370][ T815] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 61.035696][ T815] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 61.036016][ T815] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.036344][ T815] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 61.036671][ T815] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 61.036996][ T815] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.037328][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.037659][ T815] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.037974][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.038306][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.038626][ T815] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.038941][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.039280][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.039604][ T815] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.039923][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.040255][ T815] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.040597][ T815] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.040910][ T815] ? 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) 
[ 61.041239][ T815] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 61.041567][ T815] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.041888][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.042208][ T815] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.042538][ T815] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.042854][ T815] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.043178][ T815] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.043514][ T815] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.043837][ T815] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.044237][ T815] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 61.044573][ T815] ___sys_sendmsg (net/socket.c:2670) 
[ 61.044890][ T815] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.045227][ T815] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.045543][ T815] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.045863][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.046186][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.046520][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.046834][ T815] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 61.047152][ T815] __sys_sendmsg (net/socket.c:2700) 
[ 61.047486][ T815] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 61.047876][ T815] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.048204][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.048544][ T815] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.048861][ T815] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.049265][  T815] RIP: 0033:0x7f2b9846e1e7
[ 61.049588][ T815] 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)
[   61.050695][  T815] RSP: 002b:00007ffc4f37b108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.051171][  T815] RAX: ffffffffffffffda RBX: 00007ffc4f37b840 RCX: 00007f2b9846e1e7
[   61.051731][  T815] RDX: 0000000000000000 RSI: 00007ffc4f37b170 RDI: 0000000000000005
[   61.052554][  T815] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[   61.053382][  T815] R10: 00007f2b983666f8 R11: 0000000000000246 R12: 00007ffc4f37b860


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink