======================================
| [ 1715.175734][T12474] ip_gre: GRE over IPv4 tunneling driver
| [ 1715.295346][T12473] ------------[ cut here ]------------
| [1715.295849][T12473] WARNING: CPU: 0 PID: 12473 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) 
| [ 1715.296502][T12473] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
[ 1715.298691][T12473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1715.299163][T12473] 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) 
[ 1715.299498][T12473] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1715.300643][T12473] RSP: 0000:ffffc900007f7000 EFLAGS: 00010246
[ 1715.301065][T12473] RAX: 0000000000000000 RBX: ffff888019c74000 RCX: 0000000000000001
[ 1715.301549][T12473] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1715.302032][T12473] RBP: ffffc900007f70e8 R08: ffff888019c74218 R09: 0000000000000000
[ 1715.302508][T12473] R10: ffffc900007f7118 R11: ffff88800e3545f0 R12: 1ffff920000fee04
[ 1715.302988][T12473] R13: 00000000000005b6 R14: ffffc900007f7118 R15: ffff888019c74218
[ 1715.303465][T12473] FS:  00007f43bbdb9800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[ 1715.304021][T12473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1715.304421][T12473] CR2: 00007f18d13cae97 CR3: 00000000113c2006 CR4: 0000000000772ef0
[ 1715.304899][T12473] PKRU: 55555554
[ 1715.305135][T12473] Call Trace:
[ 1715.305374][T12473]  <TASK>
[1715.305535][T12473] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1715.305940][T12473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1715.306254][T12473] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1715.306568][T12473] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1715.306907][T12473] netif_set_mtu (net/core/dev.c:9652) 
[1715.307224][T12473] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1715.307549][T12473] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1715.307877][T12473] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1715.308113][T12473] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1715.308423][T12473] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1715.308764][T12473] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1715.309087][T12473] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1715.309476][T12473] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1715.309803][T12473] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1715.310132][T12473] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1715.310455][T12473] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1715.310768][T12473] ? __dev_get_by_name (net/core/dev.c:865) 
[1715.311102][T12473] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1715.311426][T12473] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1715.311747][T12473] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1715.312065][T12473] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1715.312384][T12473] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1715.312704][T12473] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1715.313029][T12473] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1715.313356][T12473] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1715.313666][T12473] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1715.313991][T12473] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1715.314300][T12473] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1715.314609][T12473] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1715.314935][T12473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1715.315254][T12473] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1715.315567][T12473] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1715.315894][T12473] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1715.316220][T12473] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1715.316529][T12473] ? 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) 
[1715.316847][T12473] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1715.317168][T12473] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1715.317484][T12473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1715.317803][T12473] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1715.318131][T12473] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1715.318447][T12473] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1715.318784][T12473] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1715.319113][T12473] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1715.319423][T12473] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1715.319826][T12473] ___sys_sendmsg (net/socket.c:2670) 
[1715.320149][T12473] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1715.320458][T12473] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1715.321068][T12473] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1715.321376][T12473] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1715.321924][T12473] ? __handle_mm_fault (mm/memory.c:6212) 
[1715.322240][T12473] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1715.322545][T12473] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1715.323111][T12473] __sys_sendmsg (net/socket.c:2700) 
[1715.323640][T12473] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1715.324178][T12473] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1715.324718][T12473] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1715.325046][T12473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1715.325360][T12473] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1715.325668][T12473] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1715.326060][T12473] RIP: 0033:0x7f43bbf861e7
[ 1715.326387][T12473] Code: Unable to access opcode bytes at 0x7f43bbf861bd.

Code starting with the faulting instruction
===========================================
[ 1715.327270][T12473] RSP: 002b:00007ffd88a3fdf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1715.327745][T12473] RAX: ffffffffffffffda RBX: 00007ffd88a40530 RCX: 00007f43bbf861e7
[ 1715.328255][T12473] RDX: 0000000000000000 RSI: 00007ffd88a3fe60 RDI: 0000000000000005
[ 1715.328750][T12473] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1715.329237][T12473] R10: 00007f43bbe7e6f8 R11: 0000000000000246 R12: 00007ffd88a40550
[ 1715.329709][T12473] R13: 00000000686e198e R14: 0000000000499600 R15: 00007ffd88a3ff4c
| [ 1715.525307][T12480] ------------[ cut here ]------------
| [1715.525667][T12480] WARNING: CPU: 0 PID: 12480 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) 
| [ 1715.526287][T12480] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1715.528478][T12480] Tainted: [W]=WARN
[ 1715.528730][T12480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1715.529133][T12480] 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) 
[ 1715.529461][T12480] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1715.530582][T12480] RSP: 0018:ffffc90000717000 EFLAGS: 00010246
[ 1715.530999][T12480] RAX: 0000000000000000 RBX: ffff888019a84000 RCX: 0000000000000001
[ 1715.531473][T12480] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1715.531955][T12480] RBP: ffffc900007170e8 R08: ffff888019a84218 R09: 0000000000000000
[ 1715.532418][T12480] R10: ffffc90000717118 R11: ffff88801a9715f0 R12: 1ffff920000e2e04
[ 1715.532893][T12480] R13: 00000000000005b6 R14: ffffc90000717118 R15: ffff888019a84218
[ 1715.533360][T12480] FS:  00007fc12f63a800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[ 1715.533914][T12480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1715.534306][T12480] CR2: 0000000000436890 CR3: 000000000ff47003 CR4: 0000000000772ef0
[ 1715.534768][T12480] PKRU: 55555554
[ 1715.535021][T12480] Call Trace:
[ 1715.535262][T12480]  <TASK>
[1715.535422][T12480] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1715.535810][T12480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1715.536130][T12480] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1715.536445][T12480] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1715.536765][T12480] netif_set_mtu (net/core/dev.c:9652) 
[1715.537093][T12480] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1715.537424][T12480] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1715.537745][T12480] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1715.538005][T12480] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1715.538320][T12480] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1715.538662][T12480] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1715.538999][T12480] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1715.539395][T12480] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1715.539715][T12480] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1715.540049][T12480] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1715.540363][T12480] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1715.540670][T12480] ? __dev_get_by_name (net/core/dev.c:865) 
[1715.541005][T12480] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1715.541316][T12480] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1715.541644][T12480] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1715.541971][T12480] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1715.542293][T12480] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1715.542615][T12480] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1715.542944][T12480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1715.543267][T12480] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1715.543570][T12480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1715.543898][T12480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1715.544218][T12480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1715.544528][T12480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1715.544849][T12480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1715.545173][T12480] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1715.545504][T12480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1715.545824][T12480] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1715.546151][T12480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1715.546471][T12480] ? 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) 
[1715.546785][T12480] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1715.547120][T12480] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1715.547430][T12480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1715.547765][T12480] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1715.548091][T12480] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1715.548400][T12480] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1715.548739][T12480] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1715.549064][T12480] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1715.549369][T12480] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1715.549772][T12480] ___sys_sendmsg (net/socket.c:2670) 
[1715.550101][T12480] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1715.550418][T12480] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1715.550735][T12480] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1715.551061][T12480] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1715.551372][T12480] ? __handle_mm_fault (mm/memory.c:6212) 
[1715.551683][T12480] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1715.552005][T12480] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1715.552351][T12480] __sys_sendmsg (net/socket.c:2700) 
[1715.552668][T12480] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1715.552994][T12480] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1715.553321][T12480] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1715.553629][T12480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1715.553962][T12480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1715.554280][T12480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1715.554674][T12480] RIP: 0033:0x7fc12f8071e7
[ 1715.555011][T12480] 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)
[ 1715.556132][T12480] RSP: 002b:00007ffc8c6c1a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1715.573512][T12480] RAX: ffffffffffffffda RBX: 00007ffc8c6c21b0 RCX: 00007fc12f8071e7
[ 1715.573992][T12480] RDX: 0000000000000000 RSI: 00007ffc8c6c1ae0 RDI: 0000000000000005
[ 1715.574483][T12480] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1715.575192][T12480] R10: 00007fc12f6ff6f8 R11: 0000000000000246 R12: 00007ffc8c6c21d0
[ 1715.575896][T12480] R13: 00000000686e198e R14: 0000000000499600 R15: 00007ffc8c6c1bcc
| [ 1719.322546][T12524] ------------[ cut here ]------------
| [1719.323263][T12524] WARNING: CPU: 2 PID: 12524 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) 
| [ 1719.324346][T12524] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1719.327261][T12524] Tainted: [W]=WARN
[ 1719.327724][T12524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1719.328439][T12524] 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) 
[ 1719.328955][T12524] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1719.330832][T12524] RSP: 0018:ffffc90000957000 EFLAGS: 00010246
[ 1719.331438][T12524] RAX: 0000000000000000 RBX: ffff888009204000 RCX: 0000000000000001
[ 1719.332347][T12524] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1719.333218][T12524] RBP: ffffc900009570e8 R08: ffff888009204218 R09: 0000000000000000
[ 1719.333891][T12524] R10: ffffc90000957118 R11: ffff88800b3795f0 R12: 1ffff9200012ae04
[ 1719.334721][T12524] R13: 00000000000005b6 R14: ffffc90000957118 R15: ffff888009204218
[ 1719.335578][T12524] FS:  00007f66c7aec800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1719.336190][T12524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1719.336902][T12524] CR2: 0000000000436890 CR3: 00000000117ba001 CR4: 0000000000772ef0
[ 1719.337740][T12524] PKRU: 55555554
[ 1719.338034][T12524] Call Trace:
[ 1719.338316][T12524]  <TASK>
[1719.338613][T12524] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1719.339075][T12524] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1719.339417][T12524] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1719.339778][T12524] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1719.340149][T12524] netif_set_mtu (net/core/dev.c:9652) 
[1719.340482][T12524] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1719.340823][T12524] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1719.341160][T12524] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1719.341414][T12524] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1719.341733][T12524] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1719.342069][T12524] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1719.342418][T12524] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1719.342830][T12524] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1719.343192][T12524] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1719.343528][T12524] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1719.343876][T12524] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1719.344203][T12524] ? __dev_get_by_name (net/core/dev.c:865) 
[1719.344531][T12524] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1719.344860][T12524] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1719.345200][T12524] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1719.345531][T12524] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1719.345855][T12524] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1719.346204][T12524] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1719.346528][T12524] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1719.346860][T12524] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1719.347191][T12524] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1719.347519][T12524] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1719.347840][T12524] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1719.348184][T12524] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1719.348508][T12524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1719.348849][T12524] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1719.349190][T12524] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1719.349514][T12524] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1719.349843][T12524] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1719.350176][T12524] ? 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) 
[1719.350518][T12524] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1719.350842][T12524] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1719.351175][T12524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1719.351502][T12524] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1719.351835][T12524] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1719.352170][T12524] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1719.352496][T12524] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1719.352828][T12524] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1719.353181][T12524] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1719.353587][T12524] ___sys_sendmsg (net/socket.c:2670) 
[1719.353922][T12524] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1719.354260][T12524] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1719.354585][T12524] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1719.354917][T12524] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1719.355259][T12524] ? __handle_mm_fault (mm/memory.c:6212) 
[1719.355578][T12524] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1719.355915][T12524] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1719.356260][T12524] __sys_sendmsg (net/socket.c:2700) 
[1719.356588][T12524] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1719.356916][T12524] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1719.357251][T12524] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1719.357587][T12524] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1719.357932][T12524] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1719.358278][T12524] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1719.358696][T12524] RIP: 0033:0x7f66c7cb91e7
[ 1719.359057][T12524] 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)
[ 1719.360224][T12524] RSP: 002b:00007ffd74347898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1719.360716][T12524] RAX: ffffffffffffffda RBX: 00007ffd74347fd0 RCX: 00007f66c7cb91e7
[ 1719.361222][T12524] RDX: 0000000000000000 RSI: 00007ffd74347900 RDI: 0000000000000005
[ 1719.361719][T12524] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1719.362234][T12524] R10: 00007f66c7bb16f8 R11: 0000000000000246 R12: 00007ffd74347ff0
[ 1719.362718][T12524] R13: 00000000686e1992 R14: 0000000000499600 R15: 00007ffd743479ec
| [ 1719.538846][T12525] ------------[ cut here ]------------
| [1719.539260][T12525] WARNING: CPU: 1 PID: 12525 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) 
| [ 1719.539921][T12525] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1719.541675][T12525] Tainted: [W]=WARN
[ 1719.541931][T12525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1719.542347][T12525] 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) 
[ 1719.542685][T12525] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1719.543895][T12525] RSP: 0018:ffffc90000957000 EFLAGS: 00010246
[ 1719.544351][T12525] RAX: 0000000000000000 RBX: ffff888014664000 RCX: 0000000000000001
[ 1719.544847][T12525] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1719.545522][T12525] RBP: ffffc900009570e8 R08: ffff888014664218 R09: 0000000000000000
[ 1719.546155][T12525] R10: ffffc90000957118 R11: ffff88800b37c5f0 R12: 1ffff9200012ae04
[ 1719.546647][T12525] R13: 00000000000005b6 R14: ffffc90000957118 R15: ffff888014664218
[ 1719.547222][T12525] FS:  00007f6df80a7800(0000) GS:ffff8880c0419000(0000) knlGS:0000000000000000
[ 1719.547809][T12525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1719.548228][T12525] CR2: 0000000000436890 CR3: 000000000eae1002 CR4: 0000000000772ef0
[ 1719.548737][T12525] PKRU: 55555554
[ 1719.548991][T12525] Call Trace:
[ 1719.549236][T12525]  <TASK>
[1719.549416][T12525] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1719.549811][T12525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1719.550175][T12525] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1719.550528][T12525] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1719.550856][T12525] netif_set_mtu (net/core/dev.c:9652) 
[1719.551232][T12525] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1719.551582][T12525] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1719.551915][T12525] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1719.552164][T12525] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1719.552506][T12525] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1719.552835][T12525] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1719.553183][T12525] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1719.553617][T12525] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1719.553970][T12525] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1719.554296][T12525] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1719.554625][T12525] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1719.554955][T12525] ? __dev_get_by_name (net/core/dev.c:865) 
[1719.555285][T12525] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1719.555615][T12525] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1719.555950][T12525] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1719.556264][T12525] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1719.556627][T12525] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1719.556977][T12525] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1719.557308][T12525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1719.557652][T12525] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1719.557984][T12525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1719.558305][T12525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1719.558661][T12525] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1719.559024][T12525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1719.559345][T12525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1719.559682][T12525] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1719.560040][T12525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1719.560356][T12525] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1719.560695][T12525] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1719.561046][T12525] ? 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) 
[1719.561375][T12525] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1719.561703][T12525] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1719.562051][T12525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1719.562377][T12525] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1719.562737][T12525] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1719.563072][T12525] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1719.563397][T12525] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1719.563726][T12525] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1719.564069][T12525] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1719.564549][T12525] ___sys_sendmsg (net/socket.c:2670) 
[1719.564902][T12525] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1719.565214][T12525] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1719.565555][T12525] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1719.565894][T12525] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1719.566214][T12525] ? __handle_mm_fault (mm/memory.c:6212) 
[1719.566527][T12525] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1719.566860][T12525] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1719.567206][T12525] __sys_sendmsg (net/socket.c:2700) 
[1719.567522][T12525] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1719.567848][T12525] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1719.568192][T12525] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1719.568527][T12525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1719.568903][T12525] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1719.569236][T12525] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1719.569626][T12525] RIP: 0033:0x7f6df82741e7
[ 1719.569993][T12525] 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)
[ 1719.571157][T12525] RSP: 002b:00007ffeeb4b5178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1719.571657][T12525] RAX: ffffffffffffffda RBX: 00007ffeeb4b58b0 RCX: 00007f6df82741e7
[ 1719.572173][T12525] RDX: 0000000000000000 RSI: 00007ffeeb4b51e0 RDI: 0000000000000005
[ 1719.572640][T12525] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1719.573167][T12525] R10: 00007f6df816c6f8 R11: 0000000000000246 R12: 00007ffeeb4b58d0
[ 1719.573651][T12525] R13: 00000000686e1993 R14: 0000000000499600 R15: 00007ffeeb4b52cc
| [ 1724.481580][T12574] ------------[ cut here ]------------
| [1724.482107][T12574] WARNING: CPU: 2 PID: 12574 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) 
| [ 1724.482747][T12574] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1724.484518][T12574] Tainted: [W]=WARN
[ 1724.484772][T12574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1724.485193][T12574] 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) 
[ 1724.485527][T12574] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1724.486670][T12574] RSP: 0018:ffffc90000a97000 EFLAGS: 00010246
[ 1724.487098][T12574] RAX: 0000000000000000 RBX: ffff888002d89000 RCX: 0000000000000001
[ 1724.487575][T12574] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1724.488072][T12574] RBP: ffffc90000a970e8 R08: ffff888002d89218 R09: 0000000000000000
[ 1724.488561][T12574] R10: ffffc90000a97118 R11: ffff88800527c5f0 R12: 1ffff92000152e04
[ 1724.489111][T12574] R13: 00000000000005b6 R14: ffffc90000a97118 R15: ffff888002d89218
[ 1724.489596][T12574] FS:  00007f7933ee1800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1724.490182][T12574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1724.490587][T12574] CR2: 000000000049c120 CR3: 0000000009535002 CR4: 0000000000772ef0
[ 1724.491071][T12574] PKRU: 55555554
[ 1724.491316][T12574] Call Trace:
[ 1724.491561][T12574]  <TASK>
[1724.491731][T12574] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1724.492163][T12574] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1724.492504][T12574] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1724.492836][T12574] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1724.493213][T12574] netif_set_mtu (net/core/dev.c:9652) 
[1724.493551][T12574] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1724.493899][T12574] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1724.494255][T12574] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1724.494502][T12574] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1724.494841][T12574] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1724.495181][T12574] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1724.495505][T12574] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1724.495925][T12574] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1724.496276][T12574] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1724.496599][T12574] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1724.496942][T12574] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1724.497260][T12574] ? __dev_get_by_name (net/core/dev.c:865) 
[1724.497578][T12574] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1724.497908][T12574] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1724.498234][T12574] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1724.498552][T12574] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1724.498907][T12574] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1724.499239][T12574] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1724.499580][T12574] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1724.499935][T12574] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1724.500253][T12574] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1724.500576][T12574] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1724.500913][T12574] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1724.501237][T12574] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1724.501559][T12574] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1724.501895][T12574] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1724.502224][T12574] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1724.502544][T12574] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1724.502884][T12574] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1724.503203][T12574] ? 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) 
[1724.503522][T12574] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1724.503850][T12574] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1724.504195][T12574] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1724.504523][T12574] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1724.504854][T12574] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1724.505186][T12574] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1724.505511][T12574] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1724.505834][T12574] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1724.506165][T12574] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1724.506588][T12574] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1724.506940][T12574] ___sys_sendmsg (net/socket.c:2670) 
[1724.507266][T12574] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1724.507587][T12574] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1724.507933][T12574] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1724.508258][T12574] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1724.508605][T12574] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1724.508953][T12574] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1724.509286][T12574] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1724.509610][T12574] __sys_sendmsg (net/socket.c:2700) 
[1724.509944][T12574] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1724.510337][T12574] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1724.510672][T12574] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1724.511007][T12574] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1724.511333][T12574] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1724.511734][T12574] RIP: 0033:0x7f79340ae1e7
[ 1724.512117][T12574] 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)
[ 1724.513252][T12574] RSP: 002b:00007ffff76949a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1724.513728][T12574] RAX: ffffffffffffffda RBX: 00007ffff76950e0 RCX: 00007f79340ae1e7
[ 1724.514231][T12574] RDX: 0000000000000000 RSI: 00007ffff7694a10 RDI: 0000000000000005
[ 1724.514720][T12574] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1724.515204][T12574] R10: 00007f7933fa66f8 R11: 0000000000000246 R12: 00007ffff7695100
[ 1724.515678][T12574] R13: 00000000686e1997 R14: 0000000000499600 R15: 00007ffff7694afc
| [ 1724.650932][T12575] ------------[ cut here ]------------
| [1724.651307][T12575] WARNING: CPU: 0 PID: 12575 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) 
| [ 1724.651926][T12575] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1724.653706][T12575] Tainted: [W]=WARN
[ 1724.653965][T12575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1724.654355][T12575] 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) 
[ 1724.654684][T12575] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1724.655800][T12575] RSP: 0018:ffffc90000aa7000 EFLAGS: 00010246
[ 1724.656198][T12575] RAX: 0000000000000000 RBX: ffff88800c38c000 RCX: 0000000000000001
[ 1724.656670][T12575] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1724.657150][T12575] RBP: ffffc90000aa70e8 R08: ffff88800c38c218 R09: 0000000000000000
[ 1724.657615][T12575] R10: ffffc90000aa7118 R11: ffff8880052795f0 R12: 1ffff92000154e04
[ 1724.658119][T12575] R13: 00000000000005b6 R14: ffffc90000aa7118 R15: ffff88800c38c218
[ 1724.658597][T12575] FS:  00007f90e3529800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[ 1724.659156][T12575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1724.659543][T12575] CR2: 000000000049c120 CR3: 000000000df9e005 CR4: 0000000000772ef0
[ 1724.660016][T12575] PKRU: 55555554
[ 1724.660247][T12575] Call Trace:
[ 1724.660477][T12575]  <TASK>
[1724.660636][T12575] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1724.661028][T12575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1724.661348][T12575] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1724.661659][T12575] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1724.662007][T12575] netif_set_mtu (net/core/dev.c:9652) 
[1724.662317][T12575] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1724.662670][T12575] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1724.663021][T12575] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1724.663257][T12575] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1724.663580][T12575] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1724.663935][T12575] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1724.664247][T12575] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1724.664633][T12575] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1724.664961][T12575] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1724.665276][T12575] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1724.665585][T12575] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1724.665917][T12575] ? __dev_get_by_name (net/core/dev.c:865) 
[1724.666225][T12575] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1724.666531][T12575] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1724.666843][T12575] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1724.667157][T12575] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1724.667488][T12575] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1724.667807][T12575] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1724.668141][T12575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1724.668472][T12575] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1724.668815][T12575] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1724.669128][T12575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1724.669431][T12575] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1724.669740][T12575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1724.670067][T12575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1724.670394][T12575] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1724.670715][T12575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1724.671043][T12575] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1724.671372][T12575] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1724.671681][T12575] ? 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) 
[1724.672001][T12575] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1724.672315][T12575] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1724.672629][T12575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1724.672972][T12575] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1724.673286][T12575] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1724.673598][T12575] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1724.673942][T12575] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1724.674255][T12575] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1724.674568][T12575] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1724.674961][T12575] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1724.675305][T12575] ___sys_sendmsg (net/socket.c:2670) 
[1724.675616][T12575] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1724.675948][T12575] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1724.676261][T12575] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1724.676590][T12575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1724.676921][T12575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1724.677238][T12575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1724.677554][T12575] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1724.677905][T12575] __sys_sendmsg (net/socket.c:2700) 
[1724.678217][T12575] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1724.678624][T12575] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1724.678964][T12575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1724.679281][T12575] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1724.679600][T12575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1724.680012][T12575] RIP: 0033:0x7f90e36f61e7
[ 1724.680345][T12575] 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)
[ 1724.681451][T12575] RSP: 002b:00007ffeff8184f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1724.681936][T12575] RAX: ffffffffffffffda RBX: 00007ffeff818c30 RCX: 00007f90e36f61e7
[ 1724.682406][T12575] RDX: 0000000000000000 RSI: 00007ffeff818560 RDI: 0000000000000005
[ 1724.682872][T12575] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1724.683336][T12575] R10: 00007f90e35ee6f8 R11: 0000000000000246 R12: 00007ffeff818c50
[ 1724.683792][T12575] R13: 00000000686e1998 R14: 0000000000499600 R15: 00007ffeff81864c
| [ 1728.520235][T12619] ------------[ cut here ]------------
| [1728.520650][T12619] WARNING: CPU: 2 PID: 12619 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) 
| [ 1728.521321][T12619] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1728.523114][T12619] Tainted: [W]=WARN
[ 1728.523512][T12619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1728.523942][T12619] 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) 
[ 1728.524283][T12619] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1728.525435][T12619] RSP: 0018:ffffc90000c67000 EFLAGS: 00010246
[ 1728.525858][T12619] RAX: 0000000000000000 RBX: ffff88800de19000 RCX: 0000000000000001
[ 1728.526356][T12619] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1728.526845][T12619] RBP: ffffc90000c670e8 R08: ffff88800de19218 R09: 0000000000000000
[ 1728.527398][T12619] R10: ffffc90000c67118 R11: ffff88801abd95f0 R12: 1ffff9200018ce04
[ 1728.527899][T12619] R13: 00000000000005b6 R14: ffffc90000c67118 R15: ffff88800de19218
[ 1728.528392][T12619] FS:  00007f7817ea3800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1728.529000][T12619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1728.529410][T12619] CR2: 000000000049c120 CR3: 00000000060b6005 CR4: 0000000000772ef0
[ 1728.529896][T12619] PKRU: 55555554
[ 1728.530145][T12619] Call Trace:
[ 1728.530390][T12619]  <TASK>
[1728.530562][T12619] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1728.530976][T12619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1728.531307][T12619] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1728.531634][T12619] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1728.531982][T12619] netif_set_mtu (net/core/dev.c:9652) 
[1728.532301][T12619] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1728.532662][T12619] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1728.533006][T12619] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1728.533269][T12619] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1728.533596][T12619] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1728.533938][T12619] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1728.534267][T12619] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1728.534673][T12619] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1728.535020][T12619] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1728.535366][T12619] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1728.535701][T12619] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1728.536053][T12619] ? __dev_get_by_name (net/core/dev.c:865) 
[1728.536381][T12619] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1728.536700][T12619] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1728.537050][T12619] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1728.537369][T12619] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1728.537698][T12619] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1728.538051][T12619] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1728.538378][T12619] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1728.538723][T12619] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1728.539054][T12619] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1728.539383][T12619] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1728.539702][T12619] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1728.540031][T12619] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1728.540374][T12619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1728.540706][T12619] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1728.541048][T12619] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1728.541367][T12619] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1728.541697][T12619] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1728.542025][T12619] ? 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) 
[1728.542346][T12619] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1728.542665][T12619] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1728.543004][T12619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1728.543335][T12619] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1728.543659][T12619] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1728.544023][T12619] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1728.544348][T12619] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1728.544669][T12619] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1728.545005][T12619] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1728.545408][T12619] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1728.545739][T12619] ___sys_sendmsg (net/socket.c:2670) 
[1728.546070][T12619] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1728.546449][T12619] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1728.546782][T12619] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1728.547123][T12619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1728.547511][T12619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1728.547840][T12619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1728.548170][T12619] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1728.548493][T12619] __sys_sendmsg (net/socket.c:2700) 
[1728.548825][T12619] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1728.549261][T12619] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1728.549598][T12619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1728.549927][T12619] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1728.550264][T12619] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1728.550670][T12619] RIP: 0033:0x7f78180701e7
[ 1728.551028][T12619] 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)
[ 1728.552154][T12619] RSP: 002b:00007ffc66c46528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1728.552652][T12619] RAX: ffffffffffffffda RBX: 00007ffc66c46c60 RCX: 00007f78180701e7
[ 1728.553164][T12619] RDX: 0000000000000000 RSI: 00007ffc66c46590 RDI: 0000000000000005
[ 1728.553655][T12619] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1728.554152][T12619] R10: 00007f7817f686f8 R11: 0000000000000246 R12: 00007ffc66c46c80
[ 1728.554666][T12619] R13: 00000000686e199b R14: 0000000000499600 R15: 00007ffc66c4667c
| [ 1728.698895][T12620] ------------[ cut here ]------------
| [1728.699263][T12620] WARNING: CPU: 3 PID: 12620 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) 
| [ 1728.700125][T12620] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1728.703023][T12620] Tainted: [W]=WARN
[ 1728.703431][T12620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1728.704097][T12620] 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) 
[ 1728.704640][T12620] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1728.706578][T12620] RSP: 0018:ffffc90000c77000 EFLAGS: 00010246
[ 1728.707296][T12620] RAX: 0000000000000000 RBX: ffff8880058d1000 RCX: 0000000000000001
[ 1728.708126][T12620] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1728.708971][T12620] RBP: ffffc90000c770e8 R08: ffff8880058d1218 R09: 0000000000000000
[ 1728.709799][T12620] R10: ffffc90000c77118 R11: ffff88801abdc5f0 R12: 1ffff9200018ee04
[ 1728.710627][T12620] R13: 00000000000005b6 R14: ffffc90000c77118 R15: ffff8880058d1218
[ 1728.711463][T12620] FS:  00007fd193ecb800(0000) GS:ffff8880c0519000(0000) knlGS:0000000000000000
[ 1728.712435][T12620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1728.713116][T12620] CR2: 000000000049c120 CR3: 0000000011a73003 CR4: 0000000000772ef0
[ 1728.713931][T12620] PKRU: 55555554
[ 1728.714349][T12620] Call Trace:
[ 1728.714763][T12620]  <TASK>
[1728.715084][T12620] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1728.715756][T12620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1728.716307][T12620] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1728.716889][T12620] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1728.717465][T12620] netif_set_mtu (net/core/dev.c:9652) 
[1728.718030][T12620] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1728.718614][T12620] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1728.719198][T12620] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1728.719613][T12620] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1728.720174][T12620] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1728.720652][T12620] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1728.721207][T12620] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1728.721891][T12620] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1728.722446][T12620] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1728.723023][T12620] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1728.723576][T12620] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1728.724133][T12620] ? __dev_get_by_name (net/core/dev.c:865) 
[1728.724689][T12620] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1728.725244][T12620] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1728.725803][T12620] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1728.726355][T12620] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1728.726951][T12620] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1728.727508][T12620] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1728.728065][T12620] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1728.728636][T12620] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1728.729192][T12620] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1728.729729][T12620] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1728.730296][T12620] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1728.730834][T12620] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1728.731402][T12620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1728.731960][T12620] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1728.732509][T12620] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1728.733069][T12620] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1728.733649][T12620] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1728.734195][T12620] ? 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) 
[1728.734725][T12620] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1728.735279][T12620] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1728.735787][T12620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1728.736340][T12620] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1728.736882][T12620] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1728.737416][T12620] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1728.737988][T12620] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1728.738532][T12620] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1728.739022][T12620] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1728.739421][T12620] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1728.739744][T12620] ___sys_sendmsg (net/socket.c:2670) 
[1728.740071][T12620] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1728.740392][T12620] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1728.740702][T12620] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1728.741032][T12620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1728.741349][T12620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1728.741758][T12620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1728.742078][T12620] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1728.742390][T12620] __sys_sendmsg (net/socket.c:2700) 
[1728.742705][T12620] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1728.743108][T12620] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1728.743435][T12620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1728.743744][T12620] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1728.744066][T12620] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1728.744450][T12620] RIP: 0033:0x7fd1940981e7
[ 1728.744768][T12620] 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)
[ 1728.745901][T12620] RSP: 002b:00007ffc290bf3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1728.746376][T12620] RAX: ffffffffffffffda RBX: 00007ffc290bfb10 RCX: 00007fd1940981e7
[ 1728.746839][T12620] RDX: 0000000000000000 RSI: 00007ffc290bf440 RDI: 0000000000000005
[ 1728.747333][T12620] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1728.747796][T12620] R10: 00007fd193f906f8 R11: 0000000000000246 R12: 00007ffc290bfb30
[ 1728.748272][T12620] R13: 00000000686e199c R14: 0000000000499600 R15: 00007ffc290bf52c
| [ 1733.417166][T12669] ------------[ cut here ]------------
| [1733.417580][T12669] WARNING: CPU: 2 PID: 12669 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) 
| [ 1733.418269][T12669] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1733.420138][T12669] Tainted: [W]=WARN
[ 1733.420426][T12669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1733.420847][T12669] 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) 
[ 1733.421231][T12669] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1733.422466][T12669] RSP: 0018:ffffc90000f8f000 EFLAGS: 00010246
[ 1733.422893][T12669] RAX: 0000000000000000 RBX: ffff888010e3c000 RCX: 0000000000000001
[ 1733.423394][T12669] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1733.423893][T12669] RBP: ffffc90000f8f0e8 R08: ffff888010e3c218 R09: 0000000000000000
[ 1733.424389][T12669] R10: ffffc90000f8f118 R11: ffff88800ea515f0 R12: 1ffff920001f1e04
[ 1733.424882][T12669] R13: 00000000000005b6 R14: ffffc90000f8f118 R15: ffff888010e3c218
[ 1733.425375][T12669] FS:  00007fa1dc0c9800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1733.425942][T12669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1733.426363][T12669] CR2: 0000000000436890 CR3: 00000000136b6002 CR4: 0000000000772ef0
[ 1733.426841][T12669] PKRU: 55555554
[ 1733.427113][T12669] Call Trace:
[ 1733.427370][T12669]  <TASK>
[1733.427548][T12669] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1733.427958][T12669] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1733.428290][T12669] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1733.428657][T12669] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1733.429022][T12669] netif_set_mtu (net/core/dev.c:9652) 
[1733.429347][T12669] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1733.429704][T12669] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1733.430045][T12669] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1733.430301][T12669] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1733.430641][T12669] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1733.430998][T12669] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1733.431332][T12669] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1733.431746][T12669] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1733.432143][T12669] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1733.432501][T12669] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1733.432842][T12669] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1733.433189][T12669] ? __dev_get_by_name (net/core/dev.c:865) 
[1733.433546][T12669] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1733.433903][T12669] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1733.434262][T12669] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1733.434611][T12669] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1733.434982][T12669] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1733.435337][T12669] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1733.435700][T12669] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1733.436062][T12669] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1733.436430][T12669] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1733.436781][T12669] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1733.437135][T12669] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1733.437479][T12669] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1733.437830][T12669] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1733.438184][T12669] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1733.438525][T12669] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1733.438927][T12669] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1733.439282][T12669] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1733.439627][T12669] ? 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) 
[1733.439995][T12669] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1733.440338][T12669] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1733.440680][T12669] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1733.441049][T12669] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1733.441389][T12669] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1733.441745][T12669] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1733.442113][T12669] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1733.442453][T12669] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1733.442804][T12669] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1733.443253][T12669] ___sys_sendmsg (net/socket.c:2670) 
[1733.443601][T12669] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1733.443961][T12669] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1733.444301][T12669] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1733.444639][T12669] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1733.445001][T12669] ? __handle_mm_fault (mm/memory.c:6212) 
[1733.445337][T12669] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1733.445671][T12669] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1733.446056][T12669] __sys_sendmsg (net/socket.c:2700) 
[1733.446398][T12669] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1733.446741][T12669] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1733.447125][T12669] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1733.447471][T12669] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1733.447812][T12669] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1733.448182][T12669] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1733.448614][T12669] RIP: 0033:0x7fa1dc2961e7
[ 1733.448992][T12669] 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)
[ 1733.450190][T12669] RSP: 002b:00007ffc2094f738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1733.450690][T12669] RAX: ffffffffffffffda RBX: 00007ffc2094fe70 RCX: 00007fa1dc2961e7
[ 1733.451223][T12669] RDX: 0000000000000000 RSI: 00007ffc2094f7a0 RDI: 0000000000000005
[ 1733.451729][T12669] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1733.452251][T12669] R10: 00007fa1dc18e6f8 R11: 0000000000000246 R12: 00007ffc2094fe90
[ 1733.452748][T12669] R13: 00000000686e19a0 R14: 0000000000499600 R15: 00007ffc2094f88c
| [ 1733.608669][T12670] ------------[ cut here ]------------
| [1733.609406][T12670] WARNING: CPU: 2 PID: 12670 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) 
| [ 1733.610571][T12670] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1733.613690][T12670] Tainted: [W]=WARN
[ 1733.614052][T12670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1733.614558][T12670] 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) 
[ 1733.614931][T12670] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1733.616141][T12670] RSP: 0018:ffffc90000f9f000 EFLAGS: 00010246
[ 1733.616571][T12670] RAX: 0000000000000000 RBX: ffff888008dc4000 RCX: 0000000000000001
[ 1733.617108][T12670] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1733.617607][T12670] RBP: ffffc90000f9f0e8 R08: ffff888008dc4218 R09: 0000000000000000
[ 1733.618167][T12670] R10: ffffc90000f9f118 R11: ffff88800ea545f0 R12: 1ffff920001f3e04
[ 1733.618906][T12670] R13: 00000000000005b6 R14: ffffc90000f9f118 R15: ffff888008dc4218
[ 1733.619431][T12670] FS:  00007f5bf51b6800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1733.620022][T12670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1733.620463][T12670] CR2: 0000000000436890 CR3: 00000000119af004 CR4: 0000000000772ef0
[ 1733.620986][T12670] PKRU: 55555554
[ 1733.621254][T12670] Call Trace:
[ 1733.621512][T12670]  <TASK>
[1733.621690][T12670] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1733.622143][T12670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1733.622486][T12670] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1733.622820][T12670] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1733.623194][T12670] netif_set_mtu (net/core/dev.c:9652) 
[1733.623532][T12670] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1733.623894][T12670] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1733.624243][T12670] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1733.624509][T12670] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1733.624848][T12670] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1733.625236][T12670] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1733.625581][T12670] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1733.626008][T12670] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1733.626586][T12670] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1733.627270][T12670] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1733.627902][T12670] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1733.628456][T12670] ? __dev_get_by_name (net/core/dev.c:865) 
[1733.629061][T12670] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1733.629660][T12670] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1733.630253][T12670] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1733.630818][T12670] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1733.631183][T12670] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1733.631529][T12670] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1733.631900][T12670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1733.632251][T12670] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1733.632602][T12670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1733.632964][T12670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1733.633315][T12670] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1733.633655][T12670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1733.634047][T12670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1733.634483][T12670] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1733.634809][T12670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1733.635162][T12670] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1733.635511][T12670] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1733.635836][T12670] ? 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) 
[1733.636181][T12670] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1733.636507][T12670] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1733.636835][T12670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1733.637196][T12670] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1733.637522][T12670] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1733.637875][T12670] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1733.638219][T12670] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1733.638560][T12670] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1733.638904][T12670] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1733.639345][T12670] ___sys_sendmsg (net/socket.c:2670) 
[1733.639676][T12670] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1733.640014][T12670] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1733.640370][T12670] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1733.640695][T12670] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1733.641056][T12670] ? __handle_mm_fault (mm/memory.c:6212) 
[1733.641385][T12670] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1733.641735][T12670] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1733.642105][T12670] __sys_sendmsg (net/socket.c:2700) 
[1733.642434][T12670] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1733.642755][T12670] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1733.643108][T12670] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1733.643456][T12670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1733.643782][T12670] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1733.644173][T12670] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1733.644588][T12670] RIP: 0033:0x7f5bf53831e7
[ 1733.644944][T12670] 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)
[ 1733.646160][T12670] RSP: 002b:00007ffc3a71a538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1733.646671][T12670] RAX: ffffffffffffffda RBX: 00007ffc3a71ac70 RCX: 00007f5bf53831e7
[ 1733.647172][T12670] RDX: 0000000000000000 RSI: 00007ffc3a71a5a0 RDI: 0000000000000005
[ 1733.647648][T12670] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1733.648144][T12670] R10: 00007f5bf527b6f8 R11: 0000000000000246 R12: 00007ffc3a71ac90
[ 1733.648770][T12670] R13: 00000000686e19a1 R14: 0000000000499600 R15: 00007ffc3a71a68c
| [ 1737.314478][T12713] ------------[ cut here ]------------
| [1737.314985][T12713] WARNING: CPU: 2 PID: 12713 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) 
| [ 1737.315631][T12713] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1737.317500][T12713] Tainted: [W]=WARN
[ 1737.317762][T12713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1737.318188][T12713] 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) 
[ 1737.318541][T12713] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1737.319747][T12713] RSP: 0018:ffffc900010af000 EFLAGS: 00010246
[ 1737.320205][T12713] RAX: 0000000000000000 RBX: ffff888004d71000 RCX: 0000000000000001
[ 1737.320681][T12713] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1737.321170][T12713] RBP: ffffc900010af0e8 R08: ffff888004d71218 R09: 0000000000000000
[ 1737.321650][T12713] R10: ffffc900010af118 R11: ffff8880055a45f0 R12: 1ffff92000215e04
[ 1737.322133][T12713] R13: 00000000000005b6 R14: ffffc900010af118 R15: ffff888004d71218
[ 1737.322611][T12713] FS:  00007f08ad185800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1737.323169][T12713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1737.323578][T12713] CR2: 0000000000436890 CR3: 00000000128f4006 CR4: 0000000000772ef0
[ 1737.324074][T12713] PKRU: 55555554
[ 1737.324325][T12713] Call Trace:
[ 1737.324575][T12713]  <TASK>
[1737.324746][T12713] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1737.325161][T12713] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1737.325489][T12713] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1737.325822][T12713] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1737.326167][T12713] netif_set_mtu (net/core/dev.c:9652) 
[1737.326503][T12713] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1737.326836][T12713] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1737.327180][T12713] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1737.327435][T12713] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1737.327854][T12713] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1737.328224][T12713] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1737.328564][T12713] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1737.329004][T12713] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1737.329339][T12713] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1737.329666][T12713] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1737.330004][T12713] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1737.330322][T12713] ? __dev_get_by_name (net/core/dev.c:865) 
[1737.330650][T12713] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1737.330989][T12713] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1737.331313][T12713] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1737.331632][T12713] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1737.331984][T12713] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1737.332316][T12713] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1737.332640][T12713] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1737.332981][T12713] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1737.333306][T12713] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1737.333625][T12713] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1737.333955][T12713] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1737.334300][T12713] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1737.334619][T12713] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1737.334970][T12713] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1737.335292][T12713] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1737.335617][T12713] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1737.335975][T12713] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1737.336295][T12713] ? 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) 
[1737.336613][T12713] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1737.336947][T12713] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1737.337262][T12713] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1737.337589][T12713] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1737.337919][T12713] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1737.338249][T12713] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1737.338574][T12713] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1737.338917][T12713] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1737.339233][T12713] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1737.339642][T12713] ___sys_sendmsg (net/socket.c:2670) 
[1737.339983][T12713] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1737.340304][T12713] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1737.340636][T12713] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1737.340965][T12713] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1737.341287][T12713] ? __handle_mm_fault (mm/memory.c:6212) 
[1737.341607][T12713] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1737.341939][T12713] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1737.342284][T12713] __sys_sendmsg (net/socket.c:2700) 
[1737.342614][T12713] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1737.342945][T12713] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1737.343272][T12713] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1737.343605][T12713] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1737.343948][T12713] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1737.344277][T12713] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1737.344669][T12713] RIP: 0033:0x7f08ad3521e7
[ 1737.345013][T12713] 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)
[ 1737.346136][T12713] RSP: 002b:00007ffe0fef8c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1737.346608][T12713] RAX: ffffffffffffffda RBX: 00007ffe0fef9360 RCX: 00007f08ad3521e7
[ 1737.347093][T12713] RDX: 0000000000000000 RSI: 00007ffe0fef8c90 RDI: 0000000000000005
[ 1737.347566][T12713] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1737.348056][T12713] R10: 00007f08ad24a6f8 R11: 0000000000000246 R12: 00007ffe0fef9380
[ 1737.348528][T12713] R13: 00000000686e19a4 R14: 0000000000499600 R15: 00007ffe0fef8d7c
| [ 1737.493692][T12714] ------------[ cut here ]------------
| [1737.494223][T12714] WARNING: CPU: 1 PID: 12714 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) 
| [ 1737.495310][T12714] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1737.497915][T12714] Tainted: [W]=WARN
[ 1737.498160][T12714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1737.498546][T12714] 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) 
[ 1737.498916][T12714] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1737.500056][T12714] RSP: 0018:ffffc900010af000 EFLAGS: 00010246
[ 1737.500746][T12714] RAX: 0000000000000000 RBX: ffff88800ca34000 RCX: 0000000000000001
[ 1737.501600][T12714] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1737.502370][T12714] RBP: ffffc900010af0e8 R08: ffff88800ca34218 R09: 0000000000000000
[ 1737.502830][T12714] R10: ffffc900010af118 R11: ffff8880199295f0 R12: 1ffff92000215e04
[ 1737.503306][T12714] R13: 00000000000005b6 R14: ffffc900010af118 R15: ffff88800ca34218
[ 1737.503764][T12714] FS:  00007f7d6385b800(0000) GS:ffff8880c0419000(0000) knlGS:0000000000000000
[ 1737.504535][T12714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1737.504988][T12714] CR2: 0000000000436890 CR3: 000000000b136003 CR4: 0000000000772ef0
[ 1737.505460][T12714] PKRU: 55555554
[ 1737.505699][T12714] Call Trace:
[ 1737.505944][T12714]  <TASK>
[1737.506113][T12714] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1737.506516][T12714] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1737.506830][T12714] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1737.507170][T12714] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1737.507489][T12714] netif_set_mtu (net/core/dev.c:9652) 
[1737.507794][T12714] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1737.508148][T12714] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1737.508460][T12714] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1737.508703][T12714] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1737.509024][T12714] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1737.509534][T12714] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1737.509847][T12714] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1737.510243][T12714] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1737.510561][T12714] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1737.510887][T12714] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1737.511198][T12714] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1737.511501][T12714] ? __dev_get_by_name (net/core/dev.c:865) 
[1737.511817][T12714] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1737.512133][T12714] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1737.512445][T12714] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1737.512751][T12714] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1737.513069][T12714] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1737.513386][T12714] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1737.513696][T12714] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1737.514034][T12714] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1737.514347][T12714] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1737.514661][T12714] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1737.514986][T12714] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1737.515296][T12714] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1737.515606][T12714] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1737.515929][T12714] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1737.516237][T12714] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1737.516552][T12714] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1737.516879][T12714] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1737.517188][T12714] ? 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) 
[1737.517496][T12714] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1737.517805][T12714] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1737.518131][T12714] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1737.518447][T12714] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1737.518773][T12714] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1737.519090][T12714] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1737.519406][T12714] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1737.519718][T12714] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1737.520031][T12714] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1737.520427][T12714] ___sys_sendmsg (net/socket.c:2670) 
[1737.520737][T12714] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1737.521056][T12714] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1737.521370][T12714] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1737.521675][T12714] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1737.522006][T12714] ? __handle_mm_fault (mm/memory.c:6212) 
[1737.522314][T12714] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1737.522620][T12714] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1737.522966][T12714] __sys_sendmsg (net/socket.c:2700) 
[1737.523274][T12714] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1737.523583][T12714] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1737.523907][T12714] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1737.524217][T12714] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1737.524533][T12714] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1737.524844][T12714] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1737.525238][T12714] RIP: 0033:0x7f7d63a281e7
[ 1737.525565][T12714] 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)
[ 1737.526794][T12714] RSP: 002b:00007ffc4d9fae58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1737.527266][T12714] RAX: ffffffffffffffda RBX: 00007ffc4d9fb590 RCX: 00007f7d63a281e7
[ 1737.527731][T12714] RDX: 0000000000000000 RSI: 00007ffc4d9faec0 RDI: 0000000000000005
[ 1737.528202][T12714] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1737.528677][T12714] R10: 00007f7d639206f8 R11: 0000000000000246 R12: 00007ffc4d9fb5b0
[ 1737.529175][T12714] R13: 00000000686e19a4 R14: 0000000000499600 R15: 00007ffc4d9fafac
| [ 1742.180413][T12763] ------------[ cut here ]------------
| [1742.180860][T12763] WARNING: CPU: 3 PID: 12763 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) 
| [ 1742.181517][T12763] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1742.183346][T12763] Tainted: [W]=WARN
[ 1742.183600][T12763] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1742.184021][T12763] 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) 
[ 1742.184361][T12763] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1742.185536][T12763] RSP: 0018:ffffc9000122f000 EFLAGS: 00010246
[ 1742.185997][T12763] RAX: 0000000000000000 RBX: ffff88800c369000 RCX: 0000000000000001
[ 1742.186496][T12763] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1742.187004][T12763] RBP: ffffc9000122f0e8 R08: ffff88800c369218 R09: 0000000000000000
[ 1742.187507][T12763] R10: ffffc9000122f118 R11: ffff888019a2c5f0 R12: 1ffff92000245e04
[ 1742.188008][T12763] R13: 00000000000005b6 R14: ffffc9000122f118 R15: ffff88800c369218
[ 1742.188498][T12763] FS:  00007f9b51d26800(0000) GS:ffff8880c0519000(0000) knlGS:0000000000000000
[ 1742.189104][T12763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1742.189519][T12763] CR2: 000000000049c120 CR3: 000000000ea69002 CR4: 0000000000772ef0
[ 1742.190057][T12763] PKRU: 55555554
[ 1742.190309][T12763] Call Trace:
[ 1742.190559][T12763]  <TASK>
[1742.190728][T12763] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1742.191158][T12763] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1742.191497][T12763] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1742.191827][T12763] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1742.192182][T12763] netif_set_mtu (net/core/dev.c:9652) 
[1742.192515][T12763] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1742.192853][T12763] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1742.193189][T12763] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1742.193437][T12763] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1742.193791][T12763] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1742.194143][T12763] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1742.194480][T12763] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1742.194909][T12763] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1742.195257][T12763] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1742.195587][T12763] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1742.195933][T12763] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1742.196264][T12763] ? __dev_get_by_name (net/core/dev.c:865) 
[1742.196592][T12763] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1742.196927][T12763] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1742.197259][T12763] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1742.197581][T12763] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1742.197952][T12763] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1742.198292][T12763] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1742.198637][T12763] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1742.199010][T12763] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1742.199347][T12763] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1742.199676][T12763] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1742.200007][T12763] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1742.200336][T12763] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1742.200666][T12763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1742.201004][T12763] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1742.201330][T12763] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1742.201658][T12763] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1742.202008][T12763] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1742.202331][T12763] ? 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) 
[1742.202658][T12763] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1742.203044][T12763] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1742.203379][T12763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1742.203710][T12763] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1742.204048][T12763] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1742.204385][T12763] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1742.204722][T12763] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1742.205058][T12763] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1742.205379][T12763] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1742.205780][T12763] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1742.206127][T12763] ___sys_sendmsg (net/socket.c:2670) 
[1742.206457][T12763] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1742.206791][T12763] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1742.207134][T12763] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1742.207462][T12763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1742.207819][T12763] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1742.208160][T12763] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1742.208485][T12763] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1742.208827][T12763] __sys_sendmsg (net/socket.c:2700) 
[1742.209167][T12763] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1742.209570][T12763] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1742.209915][T12763] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1742.210240][T12763] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1742.210569][T12763] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1742.210993][T12763] RIP: 0033:0x7f9b51ef31e7
[ 1742.211335][T12763] 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)
[ 1742.212507][T12763] RSP: 002b:00007ffc218d6128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1742.213040][T12763] RAX: ffffffffffffffda RBX: 00007ffc218d6860 RCX: 00007f9b51ef31e7
[ 1742.213528][T12763] RDX: 0000000000000000 RSI: 00007ffc218d6190 RDI: 0000000000000005
[ 1742.214024][T12763] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1742.214507][T12763] R10: 00007f9b51deb6f8 R11: 0000000000000246 R12: 00007ffc218d6880
[ 1742.215006][T12763] R13: 00000000686e19a9 R14: 0000000000499600 R15: 00007ffc218d627c
| [ 1742.356584][T12764] ------------[ cut here ]------------
| [1742.357061][T12764] WARNING: CPU: 3 PID: 12764 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) 
| [ 1742.357711][T12764] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1742.359419][T12764] Tainted: [W]=WARN
[ 1742.359654][T12764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1742.360049][T12764] 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) 
[ 1742.360367][T12764] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1742.361517][T12764] RSP: 0018:ffffc9000123f000 EFLAGS: 00010246
[ 1742.361934][T12764] RAX: 0000000000000000 RBX: ffff888013c3c000 RCX: 0000000000000001
[ 1742.362421][T12764] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1742.362911][T12764] RBP: ffffc9000123f0e8 R08: ffff888013c3c218 R09: 0000000000000000
[ 1742.363394][T12764] R10: ffffc9000123f118 R11: ffff88800527c5f0 R12: 1ffff92000247e04
[ 1742.363887][T12764] R13: 00000000000005b6 R14: ffffc9000123f118 R15: ffff888013c3c218
[ 1742.364376][T12764] FS:  00007fd15cad4800(0000) GS:ffff8880c0519000(0000) knlGS:0000000000000000
[ 1742.364976][T12764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1742.365386][T12764] CR2: 000000000049c120 CR3: 0000000010a75004 CR4: 0000000000772ef0
[ 1742.365880][T12764] PKRU: 55555554
[ 1742.366122][T12764] Call Trace:
[ 1742.366373][T12764]  <TASK>
[1742.366538][T12764] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1742.366951][T12764] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1742.367277][T12764] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1742.367590][T12764] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1742.367918][T12764] netif_set_mtu (net/core/dev.c:9652) 
[1742.368223][T12764] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1742.368543][T12764] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1742.368910][T12764] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1742.369145][T12764] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1742.369456][T12764] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1742.369773][T12764] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1742.370126][T12764] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1742.370509][T12764] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1742.370836][T12764] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1742.371183][T12764] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1742.371511][T12764] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1742.371829][T12764] ? __dev_get_by_name (net/core/dev.c:865) 
[1742.372162][T12764] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1742.372483][T12764] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1742.372841][T12764] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1742.373177][T12764] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1742.373519][T12764] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1742.373852][T12764] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1742.374188][T12764] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1742.374523][T12764] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1742.374843][T12764] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1742.375179][T12764] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1742.375503][T12764] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1742.375825][T12764] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1742.376166][T12764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1742.376518][T12764] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1742.376859][T12764] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1742.377184][T12764] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1742.377504][T12764] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1742.377810][T12764] ? 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) 
[1742.378147][T12764] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1742.378474][T12764] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1742.378790][T12764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1742.379113][T12764] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1742.379427][T12764] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1742.379733][T12764] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1742.380050][T12764] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1742.380359][T12764] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1742.380669][T12764] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1742.381093][T12764] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1742.381420][T12764] ___sys_sendmsg (net/socket.c:2670) 
[1742.381731][T12764] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1742.382050][T12764] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1742.382366][T12764] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1742.382691][T12764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1742.383047][T12764] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1742.383372][T12764] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1742.383691][T12764] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1742.384025][T12764] __sys_sendmsg (net/socket.c:2700) 
[1742.384345][T12764] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1742.384768][T12764] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1742.385126][T12764] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1742.385451][T12764] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1742.385782][T12764] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1742.386180][T12764] RIP: 0033:0x7fd15cca11e7
[ 1742.386503][T12764] 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)
[ 1742.387633][T12764] RSP: 002b:00007ffce87208d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1742.388110][T12764] RAX: ffffffffffffffda RBX: 00007ffce8721010 RCX: 00007fd15cca11e7
[ 1742.388575][T12764] RDX: 0000000000000000 RSI: 00007ffce8720940 RDI: 0000000000000005
[ 1742.389087][T12764] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1742.389548][T12764] R10: 00007fd15cb996f8 R11: 0000000000000246 R12: 00007ffce8721030
[ 1742.390024][T12764] R13: 00000000686e19a9 R14: 0000000000499600 R15: 00007ffce8720a2c
| [ 1746.249852][T12807] ------------[ cut here ]------------
| [1746.251379][T12807] WARNING: CPU: 1 PID: 12807 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) 
| [ 1746.251990][T12807] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1746.253661][T12807] Tainted: [W]=WARN
[ 1746.253900][T12807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1746.254296][T12807] 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) 
[ 1746.254619][T12807] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1746.255726][T12807] RSP: 0018:ffffc900013af000 EFLAGS: 00010246
[ 1746.256132][T12807] RAX: 0000000000000000 RBX: ffff888013f21000 RCX: 0000000000000001
[ 1746.256594][T12807] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1746.257072][T12807] RBP: ffffc900013af0e8 R08: ffff888013f21218 R09: 0000000000000000
[ 1746.257550][T12807] R10: ffffc900013af118 R11: ffff88800eac45f0 R12: 1ffff92000275e04
[ 1746.258350][T12807] R13: 00000000000005b6 R14: ffffc900013af118 R15: ffff888013f21218
[ 1746.259243][T12807] FS:  00007fb25a3b1800(0000) GS:ffff8880c0419000(0000) knlGS:0000000000000000
[ 1746.260232][T12807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1746.260967][T12807] CR2: 000000000049c120 CR3: 000000000c59b003 CR4: 0000000000772ef0
[ 1746.261798][T12807] PKRU: 55555554
[ 1746.262232][T12807] Call Trace:
[ 1746.262641][T12807]  <TASK>
[1746.262928][T12807] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1746.263627][T12807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1746.264195][T12807] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1746.264823][T12807] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1746.265443][T12807] netif_set_mtu (net/core/dev.c:9652) 
[1746.266025][T12807] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1746.266494][T12807] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1746.266952][T12807] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1746.267232][T12807] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1746.267577][T12807] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1746.267909][T12807] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1746.268246][T12807] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1746.268663][T12807] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1746.269022][T12807] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1746.269370][T12807] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1746.269685][T12807] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1746.270011][T12807] ? __dev_get_by_name (net/core/dev.c:865) 
[1746.270329][T12807] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1746.270635][T12807] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1746.270958][T12807] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1746.271281][T12807] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1746.271612][T12807] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1746.271961][T12807] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1746.272323][T12807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1746.272675][T12807] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1746.273021][T12807] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1746.273382][T12807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1746.273713][T12807] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1746.274046][T12807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1746.274367][T12807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1746.274680][T12807] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1746.275004][T12807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1746.275536][T12807] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1746.276128][T12807] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1746.276691][T12807] ? 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) 
[1746.277276][T12807] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1746.277842][T12807] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1746.278427][T12807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1746.279013][T12807] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1746.279557][T12807] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1746.279903][T12807] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1746.280261][T12807] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1746.280582][T12807] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1746.280913][T12807] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1746.281300][T12807] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1746.281623][T12807] ___sys_sendmsg (net/socket.c:2670) 
[1746.281939][T12807] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1746.282263][T12807] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1746.282584][T12807] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1746.282903][T12807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1746.283234][T12807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1746.283557][T12807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1746.283881][T12807] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1746.284206][T12807] __sys_sendmsg (net/socket.c:2700) 
[1746.284514][T12807] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1746.284923][T12807] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1746.285260][T12807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1746.285567][T12807] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1746.286118][T12807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1746.286746][T12807] RIP: 0033:0x7fb25a57e1e7
[ 1746.287290][T12807] 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)
[ 1746.289357][T12807] RSP: 002b:00007ffd31ec9b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1746.290196][T12807] RAX: ffffffffffffffda RBX: 00007ffd31eca2d0 RCX: 00007fb25a57e1e7
[ 1746.291014][T12807] RDX: 0000000000000000 RSI: 00007ffd31ec9c00 RDI: 0000000000000005
[ 1746.291833][T12807] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1746.292675][T12807] R10: 00007fb25a4766f8 R11: 0000000000000246 R12: 00007ffd31eca2f0
[ 1746.293528][T12807] R13: 00000000686e19ad R14: 0000000000499600 R15: 00007ffd31ec9cec
| [ 1746.469887][T12808] ------------[ cut here ]------------
| [1746.470296][T12808] WARNING: CPU: 2 PID: 12808 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) 
| [ 1746.470973][T12808] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1746.472708][T12808] Tainted: [W]=WARN
[ 1746.472966][T12808] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1746.473364][T12808] 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) 
[ 1746.473705][T12808] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1746.474820][T12808] RSP: 0018:ffffc900013bf000 EFLAGS: 00010246
[ 1746.475233][T12808] RAX: 0000000000000000 RBX: ffff888002231000 RCX: 0000000000000001
[ 1746.475732][T12808] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1746.476219][T12808] RBP: ffffc900013bf0e8 R08: ffff888002231218 R09: 0000000000000000
[ 1746.476700][T12808] R10: ffffc900013bf118 R11: ffff88800eac15f0 R12: 1ffff92000277e04
[ 1746.477181][T12808] R13: 00000000000005b6 R14: ffffc900013bf118 R15: ffff888002231218
[ 1746.477660][T12808] FS:  00007f398a6a3800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1746.478227][T12808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1746.478645][T12808] CR2: 000000000049c120 CR3: 000000000bbf8006 CR4: 0000000000772ef0
[ 1746.479169][T12808] PKRU: 55555554
[ 1746.479411][T12808] Call Trace:
[ 1746.479654][T12808]  <TASK>
[1746.479824][T12808] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1746.480274][T12808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1746.480602][T12808] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1746.480935][T12808] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1746.481270][T12808] netif_set_mtu (net/core/dev.c:9652) 
[1746.481589][T12808] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1746.481929][T12808] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1746.482249][T12808] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1746.482527][T12808] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1746.482889][T12808] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1746.483220][T12808] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1746.483543][T12808] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1746.483949][T12808] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1746.484297][T12808] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1746.484631][T12808] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1746.484959][T12808] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1746.485288][T12808] ? __dev_get_by_name (net/core/dev.c:865) 
[1746.485615][T12808] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1746.485946][T12808] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1746.486276][T12808] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1746.486626][T12808] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1746.486959][T12808] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1746.487298][T12808] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1746.487920][T12808] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1746.488267][T12808] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1746.488583][T12808] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1746.488948][T12808] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1746.489269][T12808] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1746.489593][T12808] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1746.489927][T12808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1746.490269][T12808] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1746.490613][T12808] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1746.490965][T12808] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1746.491313][T12808] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1746.491649][T12808] ? 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) 
[1746.491998][T12808] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1746.492341][T12808] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1746.492685][T12808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1746.493046][T12808] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1746.493372][T12808] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1746.493693][T12808] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1746.494033][T12808] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1746.494359][T12808] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1746.494676][T12808] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1746.495126][T12808] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1746.495473][T12808] ___sys_sendmsg (net/socket.c:2670) 
[1746.495801][T12808] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1746.496140][T12808] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1746.496490][T12808] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1746.496819][T12808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1746.497160][T12808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1746.497489][T12808] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1746.497821][T12808] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1746.498166][T12808] __sys_sendmsg (net/socket.c:2700) 
[1746.498486][T12808] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1746.498937][T12808] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1746.499287][T12808] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1746.499627][T12808] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1746.499960][T12808] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1746.500359][T12808] RIP: 0033:0x7f398a8701e7
[ 1746.500699][T12808] 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)
[ 1746.501842][T12808] RSP: 002b:00007ffef8b88c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1746.502332][T12808] RAX: ffffffffffffffda RBX: 00007ffef8b89380 RCX: 00007f398a8701e7
[ 1746.502831][T12808] RDX: 0000000000000000 RSI: 00007ffef8b88cb0 RDI: 0000000000000005
[ 1746.503375][T12808] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1746.503886][T12808] R10: 00007f398a7686f8 R11: 0000000000000246 R12: 00007ffef8b893a0
[ 1746.504376][T12808] R13: 00000000686e19ad R14: 0000000000499600 R15: 00007ffef8b88d9c
| [ 1751.060213][T12858] ------------[ cut here ]------------
| [1751.060647][T12858] WARNING: CPU: 2 PID: 12858 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) 
| [ 1751.061625][T12858] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1751.063483][T12858] Tainted: [W]=WARN
[ 1751.063743][T12858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1751.064185][T12858] 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) 
[ 1751.064556][T12858] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1751.065697][T12858] RSP: 0018:ffffc9000155f000 EFLAGS: 00010246
[ 1751.066146][T12858] RAX: 0000000000000000 RBX: ffff888019ef9000 RCX: 0000000000000001
[ 1751.066643][T12858] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1751.067138][T12858] RBP: ffffc9000155f0e8 R08: ffff888019ef9218 R09: 0000000000000000
[ 1751.067650][T12858] R10: ffffc9000155f118 R11: ffff88800ac915f0 R12: 1ffff920002abe04
[ 1751.068157][T12858] R13: 00000000000005b6 R14: ffffc9000155f118 R15: ffff888019ef9218
[ 1751.068670][T12858] FS:  00007f0b36835800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1751.069244][T12858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1751.069663][T12858] CR2: 0000000000436890 CR3: 0000000004d08006 CR4: 0000000000772ef0
[ 1751.070151][T12858] PKRU: 55555554
[ 1751.070397][T12858] Call Trace:
[ 1751.070659][T12858]  <TASK>
[1751.070828][T12858] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1751.071238][T12858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1751.071570][T12858] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1751.071929][T12858] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1751.072266][T12858] netif_set_mtu (net/core/dev.c:9652) 
[1751.072742][T12858] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1751.073091][T12858] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1751.073423][T12858] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1751.073692][T12858] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1751.074035][T12858] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1751.074365][T12858] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1751.074708][T12858] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1751.075119][T12858] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1751.075454][T12858] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1751.075793][T12858] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1751.076142][T12858] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1751.076461][T12858] ? __dev_get_by_name (net/core/dev.c:865) 
[1751.076806][T12858] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1751.077142][T12858] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1751.077479][T12858] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1751.077825][T12858] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1751.078173][T12858] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1751.078509][T12858] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1751.078915][T12858] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1751.079253][T12858] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1751.079573][T12858] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1751.079932][T12858] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1751.080264][T12858] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1751.080592][T12858] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1751.080948][T12858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1751.081276][T12858] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1751.081599][T12858] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1751.081960][T12858] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1751.082295][T12858] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1751.082612][T12858] ? 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) 
[1751.082969][T12858] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1751.083296][T12858] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1751.083614][T12858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1751.083977][T12858] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1751.084307][T12858] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1751.084626][T12858] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1751.084983][T12858] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1751.085319][T12858] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1751.085636][T12858] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1751.086078][T12858] ___sys_sendmsg (net/socket.c:2670) 
[1751.086402][T12858] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1751.086721][T12858] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1751.087069][T12858] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1751.087390][T12858] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1751.087723][T12858] ? __handle_mm_fault (mm/memory.c:6212) 
[1751.088083][T12858] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1751.088404][T12858] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1751.088759][T12858] __sys_sendmsg (net/socket.c:2700) 
[1751.089115][T12858] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1751.089438][T12858] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1751.089764][T12858] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1751.090127][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1751.090452][T12858] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1751.090774][T12858] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1751.091194][T12858] RIP: 0033:0x7f0b36a021e7
[ 1751.091530][T12858] 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)
[ 1751.092693][T12858] RSP: 002b:00007ffdfc2bd5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1751.093203][T12858] RAX: ffffffffffffffda RBX: 00007ffdfc2bdd30 RCX: 00007f0b36a021e7
[ 1751.093675][T12858] RDX: 0000000000000000 RSI: 00007ffdfc2bd660 RDI: 0000000000000005
[ 1751.094174][T12858] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1751.094656][T12858] R10: 00007f0b368fa6f8 R11: 0000000000000246 R12: 00007ffdfc2bdd50
[ 1751.095151][T12858] R13: 00000000686e19b2 R14: 0000000000499600 R15: 00007ffdfc2bd74c
| [ 1751.284400][T12859] ------------[ cut here ]------------
| [1751.284793][T12859] WARNING: CPU: 3 PID: 12859 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) 
| [ 1751.285434][T12859] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1751.287113][T12859] Tainted: [W]=WARN
[ 1751.287362][T12859] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1751.287767][T12859] 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) 
[ 1751.288109][T12859] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1751.289231][T12859] RSP: 0018:ffffc9000156f000 EFLAGS: 00010246
[ 1751.289623][T12859] RAX: 0000000000000000 RBX: ffff88800b8e1000 RCX: 0000000000000001
[ 1751.290098][T12859] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1751.290564][T12859] RBP: ffffc9000156f0e8 R08: ffff88800b8e1218 R09: 0000000000000000
[ 1751.291032][T12859] R10: ffffc9000156f118 R11: ffff88800ac945f0 R12: 1ffff920002ade04
[ 1751.291530][T12859] R13: 00000000000005b6 R14: ffffc9000156f118 R15: ffff88800b8e1218
[ 1751.292018][T12859] FS:  00007f0f95fe9800(0000) GS:ffff8880c0519000(0000) knlGS:0000000000000000
[ 1751.292610][T12859] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1751.293015][T12859] CR2: 0000000000436890 CR3: 0000000010c4d005 CR4: 0000000000772ef0
[ 1751.293491][T12859] PKRU: 55555554
[ 1751.293726][T12859] Call Trace:
[ 1751.293967][T12859]  <TASK>
[1751.294134][T12859] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1751.294526][T12859] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1751.294841][T12859] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1751.295162][T12859] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1751.295485][T12859] netif_set_mtu (net/core/dev.c:9652) 
[1751.295791][T12859] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1751.296163][T12859] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1751.296483][T12859] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1751.296726][T12859] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1751.297050][T12859] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1751.297381][T12859] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1751.297698][T12859] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1751.298093][T12859] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1751.298417][T12859] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1751.298742][T12859] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1751.299072][T12859] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1751.299379][T12859] ? __dev_get_by_name (net/core/dev.c:865) 
[1751.299691][T12859] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1751.300020][T12859] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1751.300372][T12859] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1751.300683][T12859] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1751.301009][T12859] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1751.301335][T12859] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1751.301657][T12859] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1751.301988][T12859] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1751.302292][T12859] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1751.302604][T12859] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1751.302924][T12859] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1751.303234][T12859] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1751.303549][T12859] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1751.303891][T12859] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1751.304202][T12859] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1751.304510][T12859] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1751.304828][T12859] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1751.305174][T12859] ? 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) 
[1751.305485][T12859] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1751.305797][T12859] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1751.306121][T12859] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1751.306438][T12859] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1751.306752][T12859] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1751.307067][T12859] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1751.307385][T12859] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1751.307699][T12859] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1751.308026][T12859] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1751.308446][T12859] ___sys_sendmsg (net/socket.c:2670) 
[1751.308776][T12859] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1751.309135][T12859] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1751.309451][T12859] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1751.309759][T12859] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1751.310082][T12859] ? __handle_mm_fault (mm/memory.c:6212) 
[1751.310398][T12859] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1751.310704][T12859] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1751.311040][T12859] __sys_sendmsg (net/socket.c:2700) 
[1751.311347][T12859] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1751.311653][T12859] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1751.311993][T12859] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1751.312301][T12859] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1751.312797][T12859] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1751.313330][T12859] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1751.313973][T12859] RIP: 0033:0x7f0f961b61e7
[ 1751.314516][T12859] 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)
[ 1751.316501][T12859] RSP: 002b:00007fff190fa738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1751.317355][T12859] RAX: ffffffffffffffda RBX: 00007fff190fae70 RCX: 00007f0f961b61e7
[ 1751.318178][T12859] RDX: 0000000000000000 RSI: 00007fff190fa7a0 RDI: 0000000000000005
[ 1751.319027][T12859] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1751.319847][T12859] R10: 00007f0f960ae6f8 R11: 0000000000000246 R12: 00007fff190fae90
[ 1751.320712][T12859] R13: 00000000686e19b2 R14: 0000000000499600 R15: 00007fff190fa88c
| [ 1756.056355][T12902] ------------[ cut here ]------------
| [1756.056790][T12902] WARNING: CPU: 0 PID: 12902 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) 
| [ 1756.057426][T12902] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1756.059154][T12902] Tainted: [W]=WARN
[ 1756.059388][T12902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1756.059773][T12902] 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) 
[ 1756.060100][T12902] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1756.061281][T12902] RSP: 0018:ffffc900016d7000 EFLAGS: 00010246
[ 1756.061684][T12902] RAX: 0000000000000000 RBX: ffff888013da9000 RCX: 0000000000000001
[ 1756.062173][T12902] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1756.062668][T12902] RBP: ffffc900016d70e8 R08: ffff888013da9218 R09: 0000000000000000
[ 1756.063152][T12902] R10: ffffc900016d7118 R11: ffff888019f715f0 R12: 1ffff920002dae04
[ 1756.063640][T12902] R13: 00000000000005b6 R14: ffffc900016d7118 R15: ffff888013da9218
[ 1756.064118][T12902] FS:  00007f0b85aa0800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[ 1756.064684][T12902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1756.065094][T12902] CR2: 00007f0b85ba0130 CR3: 000000000c546002 CR4: 0000000000772ef0
[ 1756.065586][T12902] PKRU: 55555554
[ 1756.065820][T12902] Call Trace:
[ 1756.066074][T12902]  <TASK>
[1756.066259][T12902] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1756.066675][T12902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1756.067035][T12902] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1756.067381][T12902] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1756.067739][T12902] netif_set_mtu (net/core/dev.c:9652) 
[1756.068079][T12902] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1756.068428][T12902] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1756.068779][T12902] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1756.069040][T12902] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1756.069378][T12902] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1756.069723][T12902] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1756.070086][T12902] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1756.070518][T12902] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1756.070890][T12902] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1756.071248][T12902] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1756.071585][T12902] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1756.071922][T12902] ? __dev_get_by_name (net/core/dev.c:865) 
[1756.072265][T12902] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1756.072605][T12902] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1756.072927][T12902] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1756.073253][T12902] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1756.073581][T12902] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1756.073910][T12902] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1756.074227][T12902] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1756.074544][T12902] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1756.074860][T12902] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1756.075186][T12902] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1756.075518][T12902] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1756.075839][T12902] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1756.076176][T12902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1756.076492][T12902] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1756.076813][T12902] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1756.077147][T12902] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1756.077480][T12902] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1756.077813][T12902] ? 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) 
[1756.078149][T12902] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1756.078477][T12902] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1756.078823][T12902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1756.079155][T12902] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1756.079466][T12902] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1756.079770][T12902] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1756.080121][T12902] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1756.080435][T12902] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1756.080739][T12902] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1756.081153][T12902] ___sys_sendmsg (net/socket.c:2670) 
[1756.081483][T12902] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1756.081802][T12902] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1756.082122][T12902] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1756.082452][T12902] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1756.082766][T12902] ? __handle_mm_fault (mm/memory.c:6212) 
[1756.083107][T12902] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1756.083413][T12902] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1756.083757][T12902] __sys_sendmsg (net/socket.c:2700) 
[1756.084076][T12902] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1756.084384][T12902] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1756.084710][T12902] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1756.085029][T12902] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1756.085356][T12902] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1756.085669][T12902] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1756.086060][T12902] RIP: 0033:0x7f0b85c6d1e7
[ 1756.086380][T12902] 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)
[ 1756.087528][T12902] RSP: 002b:00007ffdb3b4b138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1756.088000][T12902] RAX: ffffffffffffffda RBX: 00007ffdb3b4b870 RCX: 00007f0b85c6d1e7
[ 1756.088459][T12902] RDX: 0000000000000000 RSI: 00007ffdb3b4b1a0 RDI: 0000000000000005
[ 1756.088959][T12902] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1756.089439][T12902] R10: 00007f0b85b656f8 R11: 0000000000000246 R12: 00007ffdb3b4b890
[ 1756.089920][T12902] R13: 00000000686e19b7 R14: 0000000000499600 R15: 00007ffdb3b4b28c
| [ 1756.215094][T12903] ------------[ cut here ]------------
| [1756.215506][T12903] WARNING: CPU: 2 PID: 12903 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) 
| [ 1756.216270][T12903] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1756.218046][T12903] Tainted: [W]=WARN
[ 1756.218291][T12903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1756.218707][T12903] 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) 
[ 1756.219053][T12903] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1756.220214][T12903] RSP: 0018:ffffc900016d7000 EFLAGS: 00010246
[ 1756.220621][T12903] RAX: 0000000000000000 RBX: ffff888010c9c000 RCX: 0000000000000001
[ 1756.221138][T12903] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1756.221613][T12903] RBP: ffffc900016d70e8 R08: ffff888010c9c218 R09: 0000000000000000
[ 1756.222122][T12903] R10: ffffc900016d7118 R11: ffff888019a0c5f0 R12: 1ffff920002dae04
[ 1756.222601][T12903] R13: 00000000000005b6 R14: ffffc900016d7118 R15: ffff888010c9c218
[ 1756.223136][T12903] FS:  00007f9e0a280800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1756.223694][T12903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1756.224145][T12903] CR2: 00007f9e0a380130 CR3: 00000000144ce004 CR4: 0000000000772ef0
[ 1756.224656][T12903] PKRU: 55555554
[ 1756.224911][T12903] Call Trace:
[ 1756.225154][T12903]  <TASK>
[1756.225327][T12903] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1756.225724][T12903] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1756.226064][T12903] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1756.226386][T12903] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1756.226762][T12903] netif_set_mtu (net/core/dev.c:9652) 
[1756.227125][T12903] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1756.227480][T12903] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1756.227823][T12903] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1756.228111][T12903] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1756.228459][T12903] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1756.228818][T12903] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1756.229172][T12903] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1756.229594][T12903] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1756.229952][T12903] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1756.230298][T12903] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1756.230637][T12903] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1756.230983][T12903] ? __dev_get_by_name (net/core/dev.c:865) 
[1756.231320][T12903] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1756.231712][T12903] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1756.232106][T12903] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1756.232436][T12903] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1756.232762][T12903] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1756.233107][T12903] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1756.233431][T12903] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1756.233762][T12903] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1756.234094][T12903] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1756.234419][T12903] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1756.234745][T12903] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1756.235076][T12903] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1756.235438][T12903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1756.235765][T12903] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1756.236108][T12903] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1756.236433][T12903] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1756.236766][T12903] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1756.237101][T12903] ? 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) 
[1756.237423][T12903] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1756.237744][T12903] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1756.238072][T12903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1756.238400][T12903] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1756.238737][T12903] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1756.239069][T12903] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1756.239432][T12903] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1756.239753][T12903] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1756.240095][T12903] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1756.240505][T12903] ___sys_sendmsg (net/socket.c:2670) 
[1756.240828][T12903] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1756.241156][T12903] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1756.241486][T12903] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1756.241808][T12903] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1756.242156][T12903] ? __handle_mm_fault (mm/memory.c:6212) 
[1756.242477][T12903] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1756.242796][T12903] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1756.243146][T12903] __sys_sendmsg (net/socket.c:2700) 
[1756.243466][T12903] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1756.243821][T12903] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[1756.244170][T12903] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[1756.244489][T12903] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1756.244814][T12903] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1756.245148][T12903] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1756.245542][T12903] RIP: 0033:0x7f9e0a44d1e7
[ 1756.245912][T12903] 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)
[ 1756.247047][T12903] RSP: 002b:00007ffc08435808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1756.247522][T12903] RAX: ffffffffffffffda RBX: 00007ffc08435f40 RCX: 00007f9e0a44d1e7
[ 1756.248034][T12903] RDX: 0000000000000000 RSI: 00007ffc08435870 RDI: 0000000000000005
[ 1756.248516][T12903] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1756.249048][T12903] R10: 00007f9e0a3456f8 R11: 0000000000000246 R12: 00007ffc08435f60
[ 1756.249521][T12903] R13: 00000000686e19b7 R14: 0000000000499600 R15: 00007ffc0843595c
| [ 1761.552414][T12952] ------------[ cut here ]------------
| [1761.552839][T12952] WARNING: CPU: 2 PID: 12952 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) 
| [ 1761.553531][T12952] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1761.555357][T12952] Tainted: [W]=WARN
[ 1761.555618][T12952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1761.556069][T12952] 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) 
[ 1761.556436][T12952] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1761.557642][T12952] RSP: 0018:ffffc900018b7000 EFLAGS: 00010246
[ 1761.558108][T12952] RAX: 0000000000000000 RBX: ffff88800c7e9000 RCX: 0000000000000001
[ 1761.558650][T12952] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1761.559184][T12952] RBP: ffffc900018b70e8 R08: ffff88800c7e9218 R09: 0000000000000000
[ 1761.559683][T12952] R10: ffffc900018b7118 R11: ffff88800e0c45f0 R12: 1ffff92000316e04
[ 1761.560238][T12952] R13: 00000000000005b6 R14: ffffc900018b7118 R15: ffff88800c7e9218
[ 1761.560754][T12952] FS:  00007f4a2167a800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1761.561381][T12952] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1761.561810][T12952] CR2: 000000000049c120 CR3: 000000000dce6006 CR4: 0000000000772ef0
[ 1761.562358][T12952] PKRU: 55555554
[ 1761.562633][T12952] Call Trace:
[ 1761.562920][T12952]  <TASK>
[1761.563120][T12952] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1761.563598][T12952] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1761.563969][T12952] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1761.564319][T12952] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1761.564672][T12952] netif_set_mtu (net/core/dev.c:9652) 
[1761.565025][T12952] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1761.565378][T12952] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1761.565737][T12952] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1761.566014][T12952] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1761.566370][T12952] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1761.566719][T12952] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1761.567078][T12952] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1761.567514][T12952] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1761.567921][T12952] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1761.568292][T12952] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1761.568673][T12952] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1761.569052][T12952] ? __dev_get_by_name (net/core/dev.c:865) 
[1761.569431][T12952] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1761.569790][T12952] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1761.570174][T12952] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1761.570530][T12952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1761.570912][T12952] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1761.571273][T12952] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1761.571626][T12952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1761.572006][T12952] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1761.572346][T12952] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1761.572692][T12952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1761.573042][T12952] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1761.573382][T12952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1761.573722][T12952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1761.574085][T12952] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1761.574438][T12952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1761.574773][T12952] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1761.575132][T12952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1761.575468][T12952] ? 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) 
[1761.575812][T12952] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1761.576178][T12952] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1761.576522][T12952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1761.576876][T12952] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1761.577221][T12952] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1761.577559][T12952] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1761.577915][T12952] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1761.578255][T12952] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1761.578591][T12952] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1761.579024][T12952] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1761.579407][T12952] ___sys_sendmsg (net/socket.c:2670) 
[1761.579750][T12952] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1761.580119][T12952] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1761.580460][T12952] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1761.580803][T12952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1761.581164][T12952] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1761.581508][T12952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1761.581859][T12952] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1761.582216][T12952] __sys_sendmsg (net/socket.c:2700) 
[1761.582551][T12952] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1761.582979][T12952] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1761.583329][T12952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1761.583667][T12952] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1761.584031][T12952] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1761.584457][T12952] RIP: 0033:0x7f4a218471e7
[ 1761.584800][T12952] 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)
[ 1761.585978][T12952] RSP: 002b:00007ffddfbbb708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1761.586488][T12952] RAX: ffffffffffffffda RBX: 00007ffddfbbbe40 RCX: 00007f4a218471e7
[ 1761.587008][T12952] RDX: 0000000000000000 RSI: 00007ffddfbbb770 RDI: 0000000000000005
[ 1761.587505][T12952] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1761.588024][T12952] R10: 00007f4a2173f6f8 R11: 0000000000000246 R12: 00007ffddfbbbe60
[ 1761.588517][T12952] R13: 00000000686e19bd R14: 0000000000499600 R15: 00007ffddfbbb85c
| [ 1761.754571][T12953] ------------[ cut here ]------------
| [1761.754967][T12953] WARNING: CPU: 0 PID: 12953 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) 
| [ 1761.755635][T12953] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1761.757405][T12953] Tainted: [W]=WARN
[ 1761.757649][T12953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1761.758064][T12953] 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) 
[ 1761.758402][T12953] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1761.759573][T12953] RSP: 0018:ffffc900018c7000 EFLAGS: 00010246
[ 1761.759992][T12953] RAX: 0000000000000000 RBX: ffff88800c369000 RCX: 0000000000000001
[ 1761.760482][T12953] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1761.760969][T12953] RBP: ffffc900018c70e8 R08: ffff88800c369218 R09: 0000000000000000
[ 1761.761454][T12953] R10: ffffc900018c7118 R11: ffff88800e0c15f0 R12: 1ffff92000318e04
[ 1761.761944][T12953] R13: 00000000000005b6 R14: ffffc900018c7118 R15: ffff88800c369218
[ 1761.762437][T12953] FS:  00007f0bc2f89800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[ 1761.763016][T12953] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1761.763426][T12953] CR2: 000000000049c120 CR3: 000000001409d002 CR4: 0000000000772ef0
[ 1761.763924][T12953] PKRU: 55555554
[ 1761.764168][T12953] Call Trace:
[ 1761.764408][T12953]  <TASK>
[1761.764579][T12953] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1761.764993][T12953] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1761.765320][T12953] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1761.765639][T12953] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1761.765982][T12953] netif_set_mtu (net/core/dev.c:9652) 
[1761.766306][T12953] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1761.766643][T12953] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1761.766982][T12953] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1761.767237][T12953] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1761.767563][T12953] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1761.767904][T12953] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1761.768233][T12953] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1761.768643][T12953] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1761.768988][T12953] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1761.769315][T12953] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1761.769644][T12953] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1761.769971][T12953] ? __dev_get_by_name (net/core/dev.c:865) 
[1761.770299][T12953] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1761.770622][T12953] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1761.770960][T12953] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1761.771277][T12953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1761.771599][T12953] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1761.771946][T12953] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1761.772270][T12953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1761.772597][T12953] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1761.772922][T12953] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1761.773248][T12953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1761.773564][T12953] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1761.773900][T12953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1761.774226][T12953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1761.774564][T12953] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1761.774897][T12953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1761.775225][T12953] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1761.775558][T12953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1761.775888][T12953] ? 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) 
[1761.776207][T12953] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1761.776535][T12953] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1761.776875][T12953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1761.777201][T12953] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1761.777528][T12953] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1761.777848][T12953] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1761.778186][T12953] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1761.778512][T12953] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1761.778842][T12953] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1761.779264][T12953] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1761.779598][T12953] ___sys_sendmsg (net/socket.c:2670) 
[1761.779928][T12953] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1761.780256][T12953] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1761.780578][T12953] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1761.780910][T12953] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1761.781242][T12953] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1761.781579][T12953] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1761.781909][T12953] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1761.782238][T12953] __sys_sendmsg (net/socket.c:2700) 
[1761.782556][T12953] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1761.782960][T12953] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1761.783297][T12953] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1761.783621][T12953] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1761.783959][T12953] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1761.784369][T12953] RIP: 0033:0x7f0bc31561e7
[ 1761.784699][T12953] 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)
[ 1761.785858][T12953] RSP: 002b:00007ffef3bc0ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1761.786366][T12953] RAX: ffffffffffffffda RBX: 00007ffef3bc1420 RCX: 00007f0bc31561e7
[ 1761.786852][T12953] RDX: 0000000000000000 RSI: 00007ffef3bc0d50 RDI: 0000000000000005
[ 1761.787342][T12953] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1761.787825][T12953] R10: 00007f0bc304e6f8 R11: 0000000000000246 R12: 00007ffef3bc1440
[ 1761.788324][T12953] R13: 00000000686e19bd R14: 0000000000499600 R15: 00007ffef3bc0e3c
| [ 1766.224799][T12996] ------------[ cut here ]------------
| [1766.225205][T12996] WARNING: CPU: 2 PID: 12996 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) 
| [ 1766.225831][T12996] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1766.227549][T12996] Tainted: [W]=WARN
[ 1766.227796][T12996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1766.228203][T12996] 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) 
[ 1766.228567][T12996] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1766.229707][T12996] RSP: 0018:ffffc90001b1f000 EFLAGS: 00010246
[ 1766.230119][T12996] RAX: 0000000000000000 RBX: ffff88800983c000 RCX: 0000000000000001
[ 1766.230646][T12996] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1766.231135][T12996] RBP: ffffc90001b1f0e8 R08: ffff88800983c218 R09: 0000000000000000
[ 1766.231636][T12996] R10: ffffc90001b1f118 R11: ffff8880076615f0 R12: 1ffff92000363e04
[ 1766.232150][T12996] R13: 00000000000005b6 R14: ffffc90001b1f118 R15: ffff88800983c218
[ 1766.232633][T12996] FS:  00007f62e6e8b800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[ 1766.233208][T12996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1766.233617][T12996] CR2: 000000000049c120 CR3: 00000000091a8004 CR4: 0000000000772ef0
[ 1766.234111][T12996] PKRU: 55555554
[ 1766.234367][T12996] Call Trace:
[ 1766.234608][T12996]  <TASK>
[1766.234786][T12996] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1766.235230][T12996] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1766.235562][T12996] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1766.235940][T12996] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1766.236292][T12996] netif_set_mtu (net/core/dev.c:9652) 
[1766.236653][T12996] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1766.237003][T12996] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1766.237321][T12996] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1766.237570][T12996] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1766.237936][T12996] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1766.238282][T12996] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1766.238607][T12996] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1766.239035][T12996] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1766.239376][T12996] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1766.239726][T12996] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1766.240058][T12996] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1766.240376][T12996] ? __dev_get_by_name (net/core/dev.c:865) 
[1766.240707][T12996] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1766.241033][T12996] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1766.241395][T12996] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1766.241724][T12996] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1766.242072][T12996] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1766.242426][T12996] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1766.242771][T12996] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1766.243131][T12996] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1766.243476][T12996] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1766.243814][T12996] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1766.244160][T12996] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1766.244499][T12996] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1766.244838][T12996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1766.245210][T12996] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1766.245554][T12996] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1766.245929][T12996] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1766.246284][T12996] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1766.246614][T12996] ? 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) 
[1766.246953][T12996] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1766.247302][T12996] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1766.247618][T12996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1766.247952][T12996] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1766.248283][T12996] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1766.248603][T12996] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1766.248955][T12996] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1766.249277][T12996] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1766.249596][T12996] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1766.249997][T12996] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1766.250331][T12996] ___sys_sendmsg (net/socket.c:2670) 
[1766.250656][T12996] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1766.251015][T12996] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1766.251335][T12996] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1766.251661][T12996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1766.251997][T12996] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1766.252328][T12996] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1766.252648][T12996] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1766.252989][T12996] __sys_sendmsg (net/socket.c:2700) 
[1766.253337][T12996] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1766.253730][T12996] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1766.254074][T12996] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1766.254394][T12996] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1766.254743][T12996] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1766.255153][T12996] RIP: 0033:0x7f62e70581e7
[ 1766.255486][T12996] 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)
[ 1766.256710][T12996] RSP: 002b:00007ffcda580508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1766.257205][T12996] RAX: ffffffffffffffda RBX: 00007ffcda580c40 RCX: 00007f62e70581e7
[ 1766.257682][T12996] RDX: 0000000000000000 RSI: 00007ffcda580570 RDI: 0000000000000005
[ 1766.258177][T12996] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1766.258659][T12996] R10: 00007f62e6f506f8 R11: 0000000000000246 R12: 00007ffcda580c60
[ 1766.259154][T12996] R13: 00000000686e19c1 R14: 0000000000499600 R15: 00007ffcda58065c
| [ 1766.414791][T12997] ------------[ cut here ]------------
| [1766.415316][T12997] WARNING: CPU: 0 PID: 12997 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) 
| [ 1766.416070][T12997] Modules linked in: ip_gre gre cls_flower sch_prio xt_mark act_mirred cls_basic sch_fq_codel cls_bpf sch_ingress netdevsim psample sha1_generic xfrm_user xt_policy nft_compat nf_tables
| [ 1766.417930][T12997] Tainted: [W]=WARN
[ 1766.418256][T12997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1766.418681][T12997] 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) 
[ 1766.419036][T12997] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 1766.420263][T12997] RSP: 0018:ffffc90001b2f000 EFLAGS: 00010246
[ 1766.420811][T12997] RAX: 0000000000000000 RBX: ffff888002234000 RCX: 0000000000000001
[ 1766.421320][T12997] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[ 1766.421777][T12997] RBP: ffffc90001b2f0e8 R08: ffff888002234218 R09: 0000000000000000
[ 1766.422252][T12997] R10: ffffc90001b2f118 R11: ffff88801989c5f0 R12: 1ffff92000365e04
[ 1766.422744][T12997] R13: 00000000000005b6 R14: ffffc90001b2f118 R15: ffff888002234218
[ 1766.423277][T12997] FS:  00007fb6777cf800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[ 1766.423838][T12997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1766.424319][T12997] CR2: 000000000049c120 CR3: 000000000b471001 CR4: 0000000000772ef0
[ 1766.424787][T12997] PKRU: 55555554
[ 1766.425029][T12997] Call Trace:
[ 1766.425271][T12997]  <TASK>
[1766.425428][T12997] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[1766.425839][T12997] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1766.426161][T12997] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1766.426474][T12997] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[1766.426818][T12997] netif_set_mtu (net/core/dev.c:9652) 
[1766.427167][T12997] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1766.427494][T12997] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[1766.427810][T12997] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1766.428054][T12997] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[1766.428392][T12997] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[1766.428725][T12997] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[1766.429049][T12997] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[1766.429434][T12997] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[1766.429756][T12997] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[1766.430082][T12997] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[1766.430429][T12997] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1766.430796][T12997] ? __dev_get_by_name (net/core/dev.c:865) 
[1766.431139][T12997] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1766.431447][T12997] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1766.431815][T12997] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1766.432166][T12997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1766.432493][T12997] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1766.432812][T12997] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1766.433176][T12997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1766.433502][T12997] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1766.433833][T12997] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1766.434163][T12997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1766.434475][T12997] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1766.434812][T12997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1766.435155][T12997] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1766.435470][T12997] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1766.435778][T12997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1766.436119][T12997] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1766.436446][T12997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1766.436771][T12997] ? 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) 
[1766.437139][T12997] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1766.437471][T12997] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1766.437777][T12997] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1766.438158][T12997] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1766.438501][T12997] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1766.438832][T12997] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1766.439193][T12997] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1766.439514][T12997] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1766.439829][T12997] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1766.440228][T12997] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[1766.440553][T12997] ___sys_sendmsg (net/socket.c:2670) 
[1766.440879][T12997] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1766.441194][T12997] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1766.441502][T12997] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1766.441813][T12997] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1766.442171][T12997] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1766.442485][T12997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1766.442793][T12997] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[1766.443114][T12997] __sys_sendmsg (net/socket.c:2700) 
[1766.443426][T12997] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[1766.443837][T12997] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1766.444190][T12997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1766.444510][T12997] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1766.444831][T12997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1766.445223][T12997] RIP: 0033:0x7fb67799c1e7
[ 1766.445544][T12997] 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)
[ 1766.446683][T12997] RSP: 002b:00007ffd434f46c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1766.447165][T12997] RAX: ffffffffffffffda RBX: 00007ffd434f4e00 RCX: 00007fb67799c1e7
[ 1766.447628][T12997] RDX: 0000000000000000 RSI: 00007ffd434f4730 RDI: 0000000000000005
[ 1766.448092][T12997] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000000
[ 1766.448601][T12997] R10: 00007fb6778946f8 R11: 0000000000000246 R12: 00007ffd434f4e20


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