======================================
| [   22.257204][  T338] ip_gre: GRE over IPv4 tunneling driver
| [   22.322260][  T337] ------------[ cut here ]------------
| [ 22.322720][ T337] WARNING: CPU: 3 PID: 337 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) 
| [   22.323366][  T337] Modules linked in: ip_gre gre 8021q dummy vrf veth
[   22.324407][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.324815][ T337] 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) 
[ 22.325152][ T337] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.326266][  T337] RSP: 0018:ffffc900004d7000 EFLAGS: 00010246
[   22.326659][  T337] RAX: 0000000000000000 RBX: ffff88800ab01000 RCX: 0000000000000001
[   22.327167][  T337] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   22.327641][  T337] RBP: ffffc900004d70e8 R08: ffff88800ab01218 R09: 0000000000000000
[   22.328110][  T337] R10: ffffc900004d7118 R11: dffffc0000000000 R12: 1ffff9200009ae04
[   22.328575][  T337] R13: 00000000000005c0 R14: ffffc900004d7118 R15: ffff88800ab01218
[   22.329046][  T337] FS:  00007fe488946800(0000) GS:ffff8880a8837000(0000) knlGS:0000000000000000
[   22.329596][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.329995][  T337] CR2: 0000559f2404ee68 CR3: 000000000e599002 CR4: 0000000000772ef0
[   22.330530][  T337] PKRU: 55555554
[   22.330800][  T337] Call Trace:
[   22.331043][  T337]  <TASK>
[ 22.331385][ T337] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 22.331781][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.332111][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.332433][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 22.332744][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.333112][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.333350][ T337] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 22.333663][ T337] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 22.333984][ T337] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 22.334299][ T337] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 22.334709][ T337] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.335036][ T337] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 22.335350][ T337] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 22.335661][ T337] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.335974][ T337] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.336284][ T337] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.336595][ T337] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.336919][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.337225][ T337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.337539][ T337] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.337865][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.338177][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.338496][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.338802][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.339153][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.339459][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.339784][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.340107][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.341178][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.341537][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.341857][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.342181][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.342505][ T337] ? 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) 
[ 22.342810][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.343143][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.343450][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.343761][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.344079][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.344429][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.344754][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.345076][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.345432][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.345837][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 22.346162][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.346499][ T337] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 22.346862][ T337] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 22.347101][ T337] ? __handle_mm_fault (mm/memory.c:6212) 
[ 22.347406][ T337] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 22.347712][ T337] ? mt_find (lib/maple_tree.c:6938) 
[ 22.347971][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 22.348282][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.348585][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 22.348939][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 22.349254][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.349567][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.349899][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.350290][  T337] RIP: 0033:0x7fe488b131e7
[ 22.350619][ T337] Code: Unable to access opcode bytes at 0x7fe488b131bd.

Code starting with the faulting instruction
===========================================
[   22.351025][  T337] RSP: 002b:00007fff8891e938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.351725][  T337] RAX: ffffffffffffffda RBX: 00007fff8891f060 RCX: 00007fe488b131e7
[   22.352204][  T337] RDX: 0000000000000000 RSI: 00007fff8891e9a0 RDI: 0000000000000005
[   22.352668][  T337] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   22.353136][  T337] R10: 00007fe488ba1ac0 R11: 0000000000000246 R12: 00007fff8891f080
[   22.353826][  T337] R13: 00000000686e1676 R14: 0000000000499600 R15: 00007fff8891ea84
| [   25.628145][  T372] ------------[ cut here ]------------
| [ 25.628539][ T372] WARNING: CPU: 2 PID: 372 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.629189][  T372] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   25.630269][  T372] Tainted: [W]=WARN
[   25.630535][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.630943][ T372] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.631277][ T372] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.632415][  T372] RSP: 0018:ffffc90000747000 EFLAGS: 00010246
[   25.632813][  T372] RAX: 0000000000000000 RBX: ffff888004e69000 RCX: 0000000000000001
[   25.633303][  T372] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   25.633783][  T372] RBP: ffffc900007470e8 R08: ffff888004e69218 R09: 0000000000000000
[   25.634273][  T372] R10: ffffc90000747118 R11: dffffc0000000000 R12: 1ffff920000e8e04
[   25.634773][  T372] R13: 00000000000005c0 R14: ffffc90000747118 R15: ffff888004e69218
[   25.635259][  T372] FS:  00007f7d7dd38800(0000) GS:ffff8880a87b7000(0000) knlGS:0000000000000000
[   25.635809][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.636217][  T372] CR2: 00000000004200f0 CR3: 00000000027f6004 CR4: 0000000000772ef0
[   25.636695][  T372] PKRU: 55555554
[   25.636945][  T372] Call Trace:
[   25.637190][  T372]  <TASK>
[ 25.637360][ T372] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.637758][ T372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.638110][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.638444][ T372] netif_set_mtu (net/core/dev.c:9652) 
[ 25.638768][ T372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.639122][ T372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.639374][ T372] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.639708][ T372] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.640046][ T372] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.640393][ T372] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.640796][ T372] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.641173][ T372] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.641515][ T372] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.641835][ T372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.642161][ T372] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.642477][ T372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.642795][ T372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.643130][ T372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.643445][ T372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.643769][ T372] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.644118][ T372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.644442][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.644770][ T372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.645096][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.645415][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.645735][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.646062][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.646389][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.646711][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.647041][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.647356][ T372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.647687][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.648019][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.648340][ T372] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.648663][ T372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.648991][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.649312][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.649646][ T372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.649972][ T372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.650308][ T372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.650629][ T372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.650959][ T372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.651370][ T372] ___sys_sendmsg (net/socket.c:2670) 
[ 25.651690][ T372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.652023][ T372] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 25.652351][ T372] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 25.652600][ T372] ? __handle_mm_fault (mm/memory.c:6212) 
[ 25.652927][ T372] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 25.653252][ T372] ? mt_find (lib/maple_tree.c:6938) 
[ 25.653512][ T372] __sys_sendmsg (net/socket.c:2700) 
[ 25.653830][ T372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.654154][ T372] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 25.654481][ T372] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 25.654798][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.655127][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.655446][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.655836][  T372] RIP: 0033:0x7f7d7df051e7
[ 25.656174][ T372] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.657292][  T372] RSP: 002b:00007ffe518577c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.657770][  T372] RAX: ffffffffffffffda RBX: 00007ffe51857ef0 RCX: 00007f7d7df051e7
[   25.658250][  T372] RDX: 0000000000000000 RSI: 00007ffe51857830 RDI: 0000000000000005
[   25.658713][  T372] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   25.659198][  T372] R10: 00007f7d7df93ac0 R11: 0000000000000246 R12: 00007ffe51857f10
[   25.659670][  T372] R13: 00000000686e167a R14: 0000000000499600 R15: 00007ffe51857914
| [   35.273891][  T418] ------------[ cut here ]------------
| [ 35.274361][ T418] WARNING: CPU: 1 PID: 418 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) 
| [   35.274951][  T418] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.276981][  T418] Tainted: [W]=WARN
[   35.277287][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.277649][ T418] 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) 
[ 35.278043][ T418] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.279246][  T418] RSP: 0018:ffffc90000b37140 EFLAGS: 00010246
[   35.279646][  T418] RAX: 0000000000000000 RBX: ffff888009eb1000 RCX: 0000000000000001
[   35.280163][  T418] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   35.280756][  T418] RBP: ffffc90000b37230 R08: ffff8880090c8800 R09: 0000000000000000
[   35.281193][  T418] R10: ffffc90000b375c8 R11: ffffffff85a50668 R12: 1ffff92000166e2c
[   35.281782][  T418] R13: 00000000000007d0 R14: ffffc90000b37880 R15: ffff88800e4c0760
[   35.282210][  T418] FS:  00007f6b1bf0d800(0000) GS:ffff8880a8737000(0000) knlGS:0000000000000000
[   35.282710][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.283145][  T418] CR2: 00000000004e5aa0 CR3: 000000000f947006 CR4: 0000000000772ef0
[   35.283636][  T418] PKRU: 55555554
[   35.283913][  T418] Call Trace:
[   35.284177][  T418]  <TASK>
[ 35.284318][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.284614][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.284900][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.285179][ T418] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.285469][ T418] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.285746][ T418] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.286036][ T418] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.286322][ T418] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.286685][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.287014][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.287290][ T418] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.287577][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.287868][ T418] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.288145][ T418] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.288552][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.289027][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.289373][ T418] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.289681][ T418] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.289972][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.290249][ T418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.290552][ T418] ? __create_object (mm/kmemleak.c:771) 
[ 35.290831][ T418] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.291129][ T418] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.291419][ T418] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.291764][ T418] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.292057][ T418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.292341][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.292626][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.292917][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.293193][ T418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.293538][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.294006][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.294283][ T418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.294570][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.294871][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.295156][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.295446][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.295721][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.296016][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.296295][ T418] ? 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) 
[ 35.296584][ T418] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.296880][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.297155][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.297472][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.297776][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.298063][ T418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.298351][ T418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.298638][ T418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.298933][ T418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.299288][ T418] ___sys_sendmsg (net/socket.c:2670) 
[ 35.299561][ T418] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.299836][ T418] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.300190][ T418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.300488][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.300768][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.301059][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.301334][ T418] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.301607][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.301900][ T418] __sys_sendmsg (net/socket.c:2700) 
[ 35.302174][ T418] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.302511][ T418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.302800][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.303173][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.303511][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.303882][  T418] RIP: 0033:0x7f6b1c0da1e7
[ 35.304172][ T418] 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)
[   35.305273][  T418] RSP: 002b:00007fff47532bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.305753][  T418] RAX: ffffffffffffffda RBX: 00007fff47533300 RCX: 00007f6b1c0da1e7
[   35.306233][  T418] RDX: 0000000000000000 RSI: 00007fff47532c40 RDI: 0000000000000005
[   35.306691][  T418] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.307203][  T418] R10: 00007f6b1bfd7ee8 R11: 0000000000000246 R12: 0000000000000004
[   35.307629][  T418] R13: 00000000686e1684 R14: 0000000000499600 R15: 0000000000000000
| [   35.437088][  T419] ------------[ cut here ]------------
| [ 35.437400][ T419] WARNING: CPU: 0 PID: 419 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) 
| [   35.437965][  T419] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.438956][  T419] Tainted: [W]=WARN
[   35.439166][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.439521][ T419] 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) 
[ 35.439805][ T419] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.440812][  T419] RSP: 0018:ffffc90000b47140 EFLAGS: 00010246
[   35.441172][  T419] RAX: 0000000000000000 RBX: ffff88800a97c000 RCX: 0000000000000001
[   35.441584][  T419] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   35.442013][  T419] RBP: ffffc90000b47230 R08: ffff888004e72000 R09: 0000000000000000
[   35.442424][  T419] R10: ffffc90000b475c8 R11: ffffffff85a50668 R12: 1ffff92000168e2c
[   35.442874][  T419] R13: 00000000000007d0 R14: ffffc90000b47880 R15: ffff88800e4c1fe0
[   35.443293][  T419] FS:  00007f6ce8888800(0000) GS:ffff8880a86b7000(0000) knlGS:0000000000000000
[   35.443796][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.444152][  T419] CR2: 00000000004e5aa8 CR3: 000000000cbdc006 CR4: 0000000000772ef0
[   35.444568][  T419] PKRU: 55555554
[   35.444775][  T419] Call Trace:
[   35.444988][  T419]  <TASK>
[ 35.445132][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.445412][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.445686][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.445999][ T419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.446289][ T419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.446564][ T419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.446842][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.447134][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.447498][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.447780][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.448076][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.448355][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.448647][ T419] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.448932][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.449296][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.449584][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.449883][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.450159][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.450463][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.450746][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.451033][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 35.451317][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.451593][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.451891][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.452241][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.452535][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.452822][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.453106][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.453402][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.453680][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.453977][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.454258][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.454550][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.454828][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.455122][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.455420][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.455696][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.455983][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.456285][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.456571][ T419] ? 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) 
[ 35.456860][ T419] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.457152][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.457426][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.457707][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.458019][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.458298][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.458600][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.458893][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.459166][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.459531][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 35.459807][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.460092][ T419] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.460454][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.460753][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.461053][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.461334][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.461617][ T419] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.461901][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.462184][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 35.462470][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.462832][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.463133][ T419] ? filp_flush (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 ./include/linux/file_ref.h:198 fs/open.c:1542) 
[ 35.463409][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.463698][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.463997][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.464353][  T419] RIP: 0033:0x7f6ce8a551e7
[ 35.464640][ T419] 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)
[   35.465641][  T419] RSP: 002b:00007ffda5f478e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.466081][  T419] RAX: ffffffffffffffda RBX: 00007ffda5f48010 RCX: 00007f6ce8a551e7
[   35.466516][  T419] RDX: 0000000000000000 RSI: 00007ffda5f47950 RDI: 0000000000000005
[   35.466941][  T419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.467365][  T419] R10: 00007f6ce8952ee8 R11: 0000000000000246 R12: 0000000000000004
[   35.467792][  T419] R13: 00000000686e1684 R14: 0000000000499600 R15: 0000000000000000
| [   35.576157][  T420] ------------[ cut here ]------------
| [ 35.576501][ T420] WARNING: CPU: 2 PID: 420 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) 
| [   35.577089][  T420] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.578037][  T420] Tainted: [W]=WARN
[   35.578258][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.578617][ T420] 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) 
[ 35.578931][ T420] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.581095][  T420] RSP: 0018:ffffc90000b47140 EFLAGS: 00010246
[   35.581463][  T420] RAX: 0000000000000000 RBX: ffff88800ab01000 RCX: 0000000000000001
[   35.581900][  T420] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   35.582323][  T420] RBP: ffffc90000b47230 R08: ffff88800921d000 R09: 0000000000000000
[   35.582743][  T420] R10: ffffc90000b475c8 R11: ffffffff85a50668 R12: 1ffff92000168e2c
[   35.583181][  T420] R13: 00000000000007d0 R14: ffffc90000b47880 R15: ffff88800e4c03e0
[   35.583604][  T420] FS:  00007fe02c91a800(0000) GS:ffff8880a87b7000(0000) knlGS:0000000000000000
[   35.584107][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.584469][  T420] CR2: 00000000004e73d0 CR3: 000000000f9e1002 CR4: 0000000000772ef0
[   35.584901][  T420] PKRU: 55555554
[   35.585120][  T420] Call Trace:
[   35.585341][  T420]  <TASK>
[ 35.585495][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.585789][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.586088][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.586379][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.586666][ T420] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.586963][ T420] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.587254][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.587546][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.587926][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.588213][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.588499][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.588790][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.589093][ T420] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.589382][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.589732][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.590039][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.590331][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.590621][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.590918][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.591211][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.591495][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 35.591791][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.592089][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.592385][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.592741][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.593047][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.593346][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.593634][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.593937][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.594231][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.594523][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.594814][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.595112][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.595404][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.595693][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.595996][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.596284][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.596574][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.596889][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.597177][ T420] ? 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) 
[ 35.597466][ T420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.597759][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.598058][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.598353][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.598645][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.598949][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.599247][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.599540][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.599828][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.600218][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 35.600521][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.600807][ T420] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.601176][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.601467][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.601759][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.602062][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.602348][ T420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.602633][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.602938][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 35.603235][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.603590][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.603898][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.604189][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.604479][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.604834][  T420] RIP: 0033:0x7fe02cae71e7
[ 35.605140][ T420] 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)
[   35.606143][  T420] RSP: 002b:00007ffe3461da68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.606583][  T420] RAX: ffffffffffffffda RBX: 00007ffe3461e190 RCX: 00007fe02cae71e7
[   35.607016][  T420] RDX: 0000000000000000 RSI: 00007ffe3461dad0 RDI: 0000000000000005
[   35.607446][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.607880][  T420] R10: 00007fe02c9e4ee8 R11: 0000000000000246 R12: 0000000000000004
[   35.608301][  T420] R13: 00000000686e1684 R14: 0000000000499600 R15: 0000000000000000
| [   35.745310][  T421] ------------[ cut here ]------------
| [ 35.745908][ T421] WARNING: CPU: 1 PID: 421 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) 
| [   35.748552][  T421] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.749506][  T421] Tainted: [W]=WARN
[   35.749714][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.750072][ T421] 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) 
[ 35.750373][ T421] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.751607][  T421] RSP: 0018:ffffc90000b47140 EFLAGS: 00010246
[   35.752163][  T421] RAX: 0000000000000000 RBX: ffff88800aa6c000 RCX: 0000000000000001
[   35.752910][  T421] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   35.753609][  T421] RBP: ffffc90000b47230 R08: ffff88800c508800 R09: 0000000000000000
[   35.754345][  T421] R10: ffffc90000b475c8 R11: ffffffff85a50668 R12: 1ffff92000168e2c
[   35.755071][  T421] R13: 00000000000007d0 R14: ffffc90000b47880 R15: ffff88800e4c18e0
[   35.755792][  T421] FS:  00007f08f9499800(0000) GS:ffff8880a8737000(0000) knlGS:0000000000000000
[   35.756648][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.757273][  T421] CR2: 00000000004e5ab0 CR3: 000000000c429001 CR4: 0000000000772ef0
[   35.758002][  T421] PKRU: 55555554
[   35.758346][  T421] Call Trace:
[   35.758698][  T421]  <TASK>
[ 35.758955][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.759430][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.759907][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.760394][ T421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.760887][ T421] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.761359][ T421] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.761821][ T421] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.762336][ T421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.762964][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.763440][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.763933][ T421] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.764405][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.764905][ T421] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.765398][ T421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.766009][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.766480][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.766986][ T421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.767461][ T421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.767963][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.768444][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.768949][ T421] ? __create_object (mm/kmemleak.c:771) 
[ 35.769440][ T421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.769945][ T421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.770431][ T421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.771025][ T421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.771519][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.772022][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.772497][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.773021][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.773522][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.774013][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.774499][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.775003][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.775489][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.775998][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.776492][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.777006][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.777486][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.778010][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.778489][ T421] ? 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) 
[ 35.778994][ T421] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.779488][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.779987][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.780483][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.781005][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.781495][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.782021][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.782500][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.782996][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.783604][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 35.784103][ T421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.784572][ T421] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.785192][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.785680][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.786186][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.786679][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.787180][ T421] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.787659][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.788172][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 35.788664][ T421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.789302][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.789821][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.790337][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.790812][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.791428][  T421] RIP: 0033:0x7f08f96661e7
[ 35.791944][ T421] 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)
[   35.793665][  T421] RSP: 002b:00007ffdb4911a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.794417][  T421] RAX: ffffffffffffffda RBX: 00007ffdb4912190 RCX: 00007f08f96661e7
[   35.795167][  T421] RDX: 0000000000000000 RSI: 00007ffdb4911ad0 RDI: 0000000000000005
[   35.795910][  T421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.796622][  T421] R10: 00007f08f9563ee8 R11: 0000000000000246 R12: 0000000000000004
[   35.797376][  T421] R13: 00000000686e1684 R14: 0000000000499600 R15: 0000000000000000
| [   35.925392][  T422] ------------[ cut here ]------------
| [ 35.925711][ T422] WARNING: CPU: 0 PID: 422 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) 
| [   35.927749][  T422] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.928683][  T422] Tainted: [W]=WARN
[   35.928898][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.929238][ T422] 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) 
[ 35.929521][ T422] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.930518][  T422] RSP: 0018:ffffc90000b57140 EFLAGS: 00010246
[   35.930876][  T422] RAX: 0000000000000000 RBX: ffff88800bba4000 RCX: 0000000000000001
[   35.931287][  T422] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   35.931696][  T422] RBP: ffffc90000b57230 R08: ffff888002aa8800 R09: 0000000000000000
[   35.932118][  T422] R10: ffffc90000b575c8 R11: ffffffff85a50668 R12: 1ffff9200016ae2c
[   35.932527][  T422] R13: 00000000000007d0 R14: ffffc90000b57880 R15: ffff88800e4c34e0
[   35.932949][  T422] FS:  00007f31bd6e5800(0000) GS:ffff8880a86b7000(0000) knlGS:0000000000000000
[   35.933428][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.933780][  T422] CR2: 00000000004e55b8 CR3: 00000000095aa005 CR4: 0000000000772ef0
[   35.934200][  T422] PKRU: 55555554
[   35.934406][  T422] Call Trace:
[   35.934633][  T422]  <TASK>
[ 35.934773][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.935062][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.935335][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.935638][ T422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.935923][ T422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.936197][ T422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.936485][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.936764][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.937135][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.937424][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.937706][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.938007][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.938286][ T422] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.938575][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.938924][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.939200][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.939487][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.939767][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.940063][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.940379][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.940662][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 35.940953][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.941245][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.941520][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.941889][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.942171][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.942464][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.942749][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.943053][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.943335][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.943632][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.943919][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.944210][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.944502][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.944784][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.945088][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.945372][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.945658][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.945964][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.946245][ T422] ? 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) 
[ 35.946547][ T422] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.946839][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.947122][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.947414][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.947709][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.948008][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.948291][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.948588][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.948872][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.949226][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 35.949509][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.949782][ T422] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.950149][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.950455][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.950749][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.951053][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.951342][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.951619][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.951924][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 35.952200][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.952557][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.952846][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.953137][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.953428][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.953782][  T422] RIP: 0033:0x7f31bd8b21e7
[ 35.954074][ T422] 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)
[   35.955075][  T422] RSP: 002b:00007ffd23256f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.955493][  T422] RAX: ffffffffffffffda RBX: 00007ffd23257630 RCX: 00007f31bd8b21e7
[   35.955921][  T422] RDX: 0000000000000000 RSI: 00007ffd23256f70 RDI: 0000000000000005
[   35.956330][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.956759][  T422] R10: 00007f31bd7afee8 R11: 0000000000000246 R12: 0000000000000004
[   35.957178][  T422] R13: 00000000686e1684 R14: 0000000000499600 R15: 0000000000000000
| [   36.129148][  T423] ------------[ cut here ]------------
| [ 36.129657][ T423] WARNING: CPU: 1 PID: 423 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) 
| [   36.130652][  T423] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.131604][  T423] Tainted: [W]=WARN
[   36.131812][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.132174][ T423] 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) 
[ 36.132464][ T423] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.133464][  T423] RSP: 0018:ffffc90000b57140 EFLAGS: 00010246
[   36.133823][  T423] RAX: 0000000000000000 RBX: ffff888009149000 RCX: 0000000000000001
[   36.134256][  T423] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   36.134669][  T423] RBP: ffffc90000b57230 R08: ffff888005115000 R09: 0000000000000000
[   36.135474][  T423] R10: ffffc90000b575c8 R11: ffffffff85a50668 R12: 1ffff9200016ae2c
[   36.135906][  T423] R13: 00000000000007d0 R14: ffffc90000b57880 R15: ffff88800e5f7160
[   36.136318][  T423] FS:  00007fb343e7a800(0000) GS:ffff8880a8737000(0000) knlGS:0000000000000000
[   36.136804][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.137159][  T423] CR2: 00000000004e5ac8 CR3: 000000000f861003 CR4: 0000000000772ef0
[   36.137573][  T423] PKRU: 55555554
[   36.137786][  T423] Call Trace:
[   36.138013][  T423]  <TASK>
[ 36.138156][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.138444][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.138719][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.139007][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.139284][ T423] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.139560][ T423] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.139862][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.140146][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.140511][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.140786][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.141072][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.141351][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.141628][ T423] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.141931][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.142283][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.142558][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.142836][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.143125][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.143401][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.143677][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.143967][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 36.144248][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.144524][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.144796][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.145153][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.145439][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.145725][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.146028][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.146318][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.146597][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.146884][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.147161][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.147435][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.147711][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.148004][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.148284][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.148566][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.148841][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.149144][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.149418][ T423] ? 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) 
[ 36.149692][ T423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.149995][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.150290][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.150605][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.150904][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.151181][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.151465][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.151742][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.152027][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.152384][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 36.152674][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.152962][ T423] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.153309][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.153589][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.153898][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.154182][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.154455][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.154733][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.155027][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 36.155301][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.155639][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.155937][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.156216][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.156490][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.156835][  T423] RIP: 0033:0x7fb3440471e7
[ 36.157131][ T423] 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)
[   36.158137][  T423] RSP: 002b:00007ffc953acc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.158556][  T423] RAX: ffffffffffffffda RBX: 00007ffc953ad390 RCX: 00007fb3440471e7
[   36.158983][  T423] RDX: 0000000000000000 RSI: 00007ffc953accd0 RDI: 0000000000000005
[   36.159392][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.159803][  T423] R10: 00007fb343f44ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.160223][  T423] R13: 00000000686e1684 R14: 0000000000499600 R15: 0000000000000000
| [   36.296680][  T424] ------------[ cut here ]------------
| [ 36.297020][ T424] WARNING: CPU: 0 PID: 424 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) 
| [   36.297579][  T424] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.298903][  T424] Tainted: [W]=WARN
[   36.299117][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.299486][ T424] 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) 
[ 36.299770][ T424] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.300788][  T424] RSP: 0018:ffffc90000b67140 EFLAGS: 00010246
[   36.301156][  T424] RAX: 0000000000000000 RBX: ffff88800aa39000 RCX: 0000000000000001
[   36.301573][  T424] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   36.301992][  T424] RBP: ffffc90000b67230 R08: ffff88800ba70800 R09: 0000000000000000
[   36.302402][  T424] R10: ffffc90000b675c8 R11: ffffffff85a50668 R12: 1ffff9200016ce2c
[   36.302811][  T424] R13: 00000000000007d0 R14: ffffc90000b67880 R15: ffff88800e5f4760
[   36.303231][  T424] FS:  00007f631fbef800(0000) GS:ffff8880a86b7000(0000) knlGS:0000000000000000
[   36.303711][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.304061][  T424] CR2: 00000000004e5ac0 CR3: 000000000f8da001 CR4: 0000000000772ef0
[   36.304474][  T424] PKRU: 55555554
[   36.304678][  T424] Call Trace:
[   36.304901][  T424]  <TASK>
[ 36.305049][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.305327][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.305599][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.305884][ T424] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.306159][ T424] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.306434][ T424] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.306712][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.307007][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.307354][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.307626][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.307906][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.308183][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.308458][ T424] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.308733][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.309093][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.309370][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.309641][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.309923][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.310216][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.310502][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.310772][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 36.311059][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.311340][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.311613][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.311981][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.312267][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.312561][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.312833][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.313150][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.313429][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.313709][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.313996][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.314280][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.314555][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.314840][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.315128][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.315414][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.315697][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.315995][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.316278][ T424] ? 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) 
[ 36.316567][ T424] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.316872][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.317147][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.317426][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.317726][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.318025][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.318306][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.318597][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.318893][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.319261][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 36.319543][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.319832][ T424] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.320185][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.320487][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.320767][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.321080][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.321355][ T424] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.321644][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.321940][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 36.322226][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.322566][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.322865][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.323156][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.323446][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.323798][  T424] RIP: 0033:0x7f631fdbc1e7
[ 36.324094][ T424] 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)
[   36.325112][  T424] RSP: 002b:00007ffe70e2ac38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.325526][  T424] RAX: ffffffffffffffda RBX: 00007ffe70e2b360 RCX: 00007f631fdbc1e7
[   36.325951][  T424] RDX: 0000000000000000 RSI: 00007ffe70e2aca0 RDI: 0000000000000005
[   36.326362][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.326772][  T424] R10: 00007f631fcb9ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.327192][  T424] R13: 00000000686e1685 R14: 0000000000499600 R15: 0000000000000000
| [   36.432531][  T425] ------------[ cut here ]------------
| [ 36.432881][ T425] WARNING: CPU: 0 PID: 425 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) 
| [   36.433441][  T425] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.434637][  T425] Tainted: [W]=WARN
[   36.434865][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.435223][ T425] 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) 
[ 36.435510][ T425] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.436523][  T425] RSP: 0018:ffffc90000b67140 EFLAGS: 00010246
[   36.436883][  T425] RAX: 0000000000000000 RBX: ffff888004e69000 RCX: 0000000000000001
[   36.437307][  T425] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   36.437728][  T425] RBP: ffffc90000b67230 R08: ffff888004eea000 R09: 0000000000000000
[   36.438155][  T425] R10: ffffc90000b675c8 R11: ffffffff85a50668 R12: 1ffff9200016ce2c
[   36.438575][  T425] R13: 00000000000007d0 R14: ffffc90000b67880 R15: ffff88800e5f58e0
[   36.438998][  T425] FS:  00007f8325d62800(0000) GS:ffff8880a86b7000(0000) knlGS:0000000000000000
[   36.439481][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.439827][  T425] CR2: 00000000004e73f8 CR3: 000000000f853003 CR4: 0000000000772ef0
[   36.440265][  T425] PKRU: 55555554
[   36.440497][  T425] Call Trace:
[   36.440704][  T425]  <TASK>
[ 36.440845][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.441149][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.441435][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.441720][ T425] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.442008][ T425] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.442296][ T425] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.442595][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.442893][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.443255][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.443543][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.443817][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.444119][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.444423][ T425] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.444707][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.445070][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.445348][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.445633][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.445919][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.446210][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.446487][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.446766][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 36.447053][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.447329][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.447603][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.447967][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.448247][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.448527][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.448803][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.449097][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.449372][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.449646][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.449932][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.450205][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.450494][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.450772][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.451071][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.451347][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.451624][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.451916][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.452190][ T425] ? 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) 
[ 36.452465][ T425] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.452743][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.453032][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.453313][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.453597][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.453881][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.454165][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.454442][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.454715][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.455080][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 36.455352][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.455625][ T425] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.455974][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.456253][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.456545][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.456837][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.457127][ T425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.457419][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.457701][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 36.457997][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.458351][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.458640][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.458925][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.459204][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.459547][  T425] RIP: 0033:0x7f8325f2f1e7
[ 36.459843][ T425] 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)
[   36.460861][  T425] RSP: 002b:00007ffc59951c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.461299][  T425] RAX: ffffffffffffffda RBX: 00007ffc59952330 RCX: 00007f8325f2f1e7
[   36.461711][  T425] RDX: 0000000000000000 RSI: 00007ffc59951c70 RDI: 0000000000000005
[   36.462167][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.462577][  T425] R10: 00007f8325e2cee8 R11: 0000000000000246 R12: 0000000000000004
[   36.463010][  T425] R13: 00000000686e1685 R14: 0000000000499600 R15: 0000000000000000
| [   36.595703][  T426] ------------[ cut here ]------------
| [ 36.596041][ T426] WARNING: CPU: 3 PID: 426 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) 
| [   36.596592][  T426] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.597967][  T426] Tainted: [W]=WARN
[   36.598181][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.598526][ T426] 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) 
[ 36.598861][ T426] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.599858][  T426] RSP: 0018:ffffc90000b67140 EFLAGS: 00010246
[   36.600208][  T426] RAX: 0000000000000000 RBX: ffff88800b8c9000 RCX: 0000000000000001
[   36.600627][  T426] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   36.601058][  T426] RBP: ffffc90000b67230 R08: ffff888005913800 R09: 0000000000000000
[   36.601473][  T426] R10: ffffc90000b675c8 R11: ffffffff85a50668 R12: 1ffff9200016ce2c
[   36.601892][  T426] R13: 00000000000007d0 R14: ffffc90000b67880 R15: ffff88800e5f6de0
[   36.602300][  T426] FS:  00007fd362dc0800(0000) GS:ffff8880a8837000(0000) knlGS:0000000000000000
[   36.602822][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.603178][  T426] CR2: 00000000004e5ab8 CR3: 0000000005b0b005 CR4: 0000000000772ef0
[   36.603589][  T426] PKRU: 55555554
[   36.603797][  T426] Call Trace:
[   36.604011][  T426]  <TASK>
[ 36.604152][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.604433][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.604714][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.605005][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.605282][ T426] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.605556][ T426] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.605835][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.606124][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.606475][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.606790][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.607077][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.607357][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.607637][ T426] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.607920][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.608258][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.608533][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.608815][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.609097][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.609372][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.609647][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.609927][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 36.610204][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.610491][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.610802][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.611167][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.611447][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.611735][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.612016][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.612298][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.612572][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.612841][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.613129][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.613405][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.613680][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.613965][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.614245][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.614526][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.614839][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.615143][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.615419][ T426] ? 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) 
[ 36.615695][ T426] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.615982][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.616261][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.616542][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.616819][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.617109][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.617391][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.617670][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.617952][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.618304][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 36.618580][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.618890][ T426] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.619239][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.619517][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.619796][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.620087][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.620373][ T426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.620647][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.620941][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 36.621214][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.621557][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.621843][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.622139][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.622418][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.622793][  T426] RIP: 0033:0x7fd362f8d1e7
[ 36.623089][ T426] 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)
[   36.624083][  T426] RSP: 002b:00007ffe67b9d848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.624498][  T426] RAX: ffffffffffffffda RBX: 00007ffe67b9df70 RCX: 00007fd362f8d1e7
[   36.624917][  T426] RDX: 0000000000000000 RSI: 00007ffe67b9d8b0 RDI: 0000000000000005
[   36.625337][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.625747][  T426] R10: 00007fd362e8aee8 R11: 0000000000000246 R12: 0000000000000004
[   36.626167][  T426] R13: 00000000686e1685 R14: 0000000000499600 R15: 0000000000000000
| [   36.733565][  T427] ------------[ cut here ]------------
| [ 36.734292][ T427] WARNING: CPU: 0 PID: 427 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) 
| [   36.734863][  T427] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.735795][  T427] Tainted: [W]=WARN
[   36.736016][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.736358][ T427] 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) 
[ 36.736660][ T427] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.737652][  T427] RSP: 0018:ffffc90000b77140 EFLAGS: 00010246
[   36.738006][  T427] RAX: 0000000000000000 RBX: ffff88800b8cc000 RCX: 0000000000000001
[   36.738417][  T427] RDX: 0000000000000000 RSI: ffffffff84c9b941 RDI: ffffffff844555e0
[   36.738829][  T427] RBP: ffffc90000b77230 R08: ffff888006070800 R09: 0000000000000000
[   36.739253][  T427] R10: ffffc90000b775c8 R11: ffffffff85a50668 R12: 1ffff9200016ee2c
[   36.739664][  T427] R13: 00000000000007d0 R14: ffffc90000b77880 R15: ffff88800c9b03e0
[   36.740101][  T427] FS:  00007fa009192800(0000) GS:ffff8880a86b7000(0000) knlGS:0000000000000000
[   36.740598][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.740956][  T427] CR2: 00000000004e59c0 CR3: 000000000f818005 CR4: 0000000000772ef0
[   36.741368][  T427] PKRU: 55555554
[   36.741574][  T427] Call Trace:
[   36.741786][  T427]  <TASK>
[ 36.741933][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.742216][ T427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.742501][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.742790][ T427] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.743078][ T427] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.743367][ T427] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.743649][ T427] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.743949][ T427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.744303][ T427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.744590][ T427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.744881][ T427] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.745158][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.745445][ T427] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.745726][ T427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.746078][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.746369][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.746656][ T427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.746963][ T427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.747258][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.747545][ T427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.747829][ T427] ? __create_object (mm/kmemleak.c:771) 
[ 36.748126][ T427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.748405][ T427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.748680][ T427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.749027][ T427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.749316][ T427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.749598][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.749878][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.750156][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.750442][ T427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.750714][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.750999][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.751273][ T427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.751549][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.751825][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.752111][ T427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.752390][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.752663][ T427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.752954][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.753227][ T427] ? 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) 
[ 36.753505][ T427] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.753787][ T427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.754066][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.754346][ T427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.754627][ T427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.754912][ T427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.755196][ T427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.755475][ T427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.755747][ T427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.756107][ T427] ___sys_sendmsg (net/socket.c:2670) 
[ 36.756380][ T427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.756651][ T427] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.757004][ T427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.757297][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.757589][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.757898][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.758187][ T427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.758474][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.758754][ T427] __sys_sendmsg (net/socket.c:2700) 
[ 36.759035][ T427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.759388][ T427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.759688][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.759998][ T427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.760295][ T427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.760651][  T427] RIP: 0033:0x7fa00935f1e7
[ 36.760965][ T427] 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)
[   36.762023][  T427] RSP: 002b:00007ffff6045178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.762470][  T427] RAX: ffffffffffffffda RBX: 00007ffff60458a0 RCX: 00007fa00935f1e7
[   36.762920][  T427] RDX: 0000000000000000 RSI: 00007ffff60451e0 RDI: 0000000000000005
[   36.763358][  T427] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.763787][  T427] R10: 00007fa00925cee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink