======================================
| [   20.335138][  T314] ip_gre: GRE over IPv4 tunneling driver
| [   20.419815][  T313] ------------[ cut here ]------------
| [ 20.420347][ T313] WARNING: CPU: 3 PID: 313 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.423001][  T313] Modules linked in: ip_gre gre sch_ingress vrf veth
[   20.424473][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.424929][ T313] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.425826][ T313] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.427073][  T313] RSP: 0018:ffffc900005d7000 EFLAGS: 00010246
[   20.427650][  T313] RAX: 0000000000000000 RBX: ffff8880050d4000 RCX: 0000000000000001
[   20.428249][  T313] RDX: 0000000000000000 RSI: ffffffff8f29b941 RDI: ffffffff8ea555e0
[   20.428968][  T313] RBP: ffffc900005d70e8 R08: ffff8880050d4218 R09: 0000000000000000
[   20.429615][  T313] R10: ffffc900005d7118 R11: ffffffff8f779160 R12: 1ffff920000bae04
[   20.430264][  T313] R13: 00000000000005b6 R14: ffffc900005d7118 R15: ffff8880050d4218
[   20.430843][  T313] FS:  00007ff3e041b800(0000) GS:ffff8880a5037000(0000) knlGS:0000000000000000
[   20.431565][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.432094][  T313] CR2: 00007f1e681d3000 CR3: 000000000c3cb005 CR4: 0000000000772ef0
[   20.432805][  T313] PKRU: 55555554
[   20.433103][  T313] Call Trace:
[   20.433368][  T313]  <TASK>
[ 20.433923][ T313] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.434502][ T313] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.437314][ T313] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.438500][ T313] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 20.438924][ T313] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.439321][ T313] netif_set_mtu (net/core/dev.c:9652) 
[ 20.439660][ T313] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.440056][ T313] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 20.440474][ T313] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.440738][ T313] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.441098][ T313] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.441471][ T313] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.441832][ T313] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.442413][ T313] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.442803][ T313] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.443507][ T313] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.443874][ T313] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.444250][ T313] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.444641][ T313] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.445028][ T313] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.445429][ T313] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.445766][ T313] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.446137][ T313] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.446484][ T313] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.446831][ T313] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.447187][ T313] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.447582][ T313] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.447970][ T313] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.448338][ T313] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.448740][ T313] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.449164][ T313] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.449513][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.449867][ T313] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.450258][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.450612][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.450967][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.451310][ T313] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.451659][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.452029][ T313] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.452457][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.452829][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.453226][ T313] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.453580][ T313] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.453955][ T313] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.454358][ T313] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.454958][ T313] ___sys_sendmsg (net/socket.c:2670) 
[ 20.455302][ T313] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.455752][ T313] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.456090][ T313] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.456454][ T313] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 20.456791][ T313] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.457207][ T313] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.457583][ T313] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 20.458077][ T313] __sys_sendmsg (net/socket.c:2700) 
[ 20.458507][ T313] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.458859][ T313] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 20.459225][ T313] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 20.459640][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.460100][ T313] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.460772][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.461202][  T313] RIP: 0033:0x7ff3e05e81e7
[ 20.461577][ T313] Code: Unable to access opcode bytes at 0x7ff3e05e81bd.

Code starting with the faulting instruction
===========================================
[   20.462050][  T313] RSP: 002b:00007ffe74f9c248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.462600][  T313] RAX: ffffffffffffffda RBX: 00007ffe74f9c970 RCX: 00007ff3e05e81e7
[   20.463159][  T313] RDX: 0000000000000000 RSI: 00007ffe74f9c2b0 RDI: 0000000000000005
[   20.463785][  T313] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[   20.464359][  T313] R10: 00007ff3e04e06f8 R11: 0000000000000246 R12: 00007ffe74f9c990
[   20.465693][  T313] R13: 00000000686e12c4 R14: 0000000000499600 R15: 00007ffe74f9c39c
| [   23.473032][  T341] ------------[ cut here ]------------
| [ 23.473547][ T341] WARNING: CPU: 3 PID: 341 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.474219][  T341] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   23.476776][  T341] Tainted: [W]=WARN
[   23.477023][  T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.477434][ T341] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.477766][ T341] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.478908][  T341] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   23.479308][  T341] RAX: 0000000000000000 RBX: ffff888004cea000 RCX: 0000000000000001
[   23.479770][  T341] RDX: 0000000000000000 RSI: ffffffff8f29b941 RDI: ffffffff8ea555e0
[   23.480269][  T341] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.480748][  T341] R10: ffffc90000597010 R11: ffffffff900a8918 R12: 1ffff920000b2de2
[   23.481233][  T341] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888004ceaf08
[   23.481719][  T341] FS:  00007f7f52999800(0000) GS:ffff8880a5037000(0000) knlGS:0000000000000000
[   23.482290][  T341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.482680][  T341] CR2: 00000000004e5aa8 CR3: 000000000e9dc001 CR4: 0000000000772ef0
[   23.483167][  T341] PKRU: 55555554
[   23.483409][  T341] Call Trace:
[   23.483651][  T341]  <TASK>
[ 23.483810][ T341] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.484138][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.484466][ T341] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.484772][ T341] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.485180][ T341] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.485515][ T341] netif_set_mtu (net/core/dev.c:9652) 
[ 23.485832][ T341] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.486196][ T341] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.486637][ T341] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.486874][ T341] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.487319][ T341] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.487685][ T341] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.487999][ T341] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.488336][ T341] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.488727][ T341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.489035][ T341] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.489385][ T341] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.489701][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.490024][ T341] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.490356][ T341] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.490738][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.491057][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.491386][ T341] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.491693][ T341] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.492003][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.492353][ T341] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.492669][ T341] ? __create_object (mm/kmemleak.c:771) 
[ 23.492980][ T341] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.493331][ T341] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.493646][ T341] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.494036][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.494383][ T341] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.494703][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.495020][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.495356][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.495667][ T341] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.495981][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.496320][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.496628][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[   23.496645][   T10] ip6_tunnel: h3-gt6 xmit: Local address not yet configured!
[ 23.496937][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.497890][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.498206][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.498572][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.498907][ T341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.499246][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.499594][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.499929][ T341] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.500262][ T341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.500612][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.500944][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.501272][ T341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.501642][ T341] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.501980][ T341] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.502332][ T341] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.502669][ T341] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.503090][ T341] ___sys_sendmsg (net/socket.c:2670) 
[ 23.503441][ T341] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.503754][ T341] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.504145][ T341] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.504501][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.504827][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.505148][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.505495][ T341] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.505813][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.506145][ T341] __sys_sendmsg (net/socket.c:2700) 
[ 23.506463][ T341] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.506864][ T341] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.507190][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.507522][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.507844][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.508235][  T341] RIP: 0033:0x7f7f52b661e7
[ 23.508581][ T341] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.509731][  T341] RSP: 002b:00007ffc1d09fb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.510205][  T341] RAX: ffffffffffffffda RBX: 00007ffc1d0a0260 RCX: 00007f7f52b661e7
[   23.510709][  T341] RDX: 0000000000000000 RSI: 00007ffc1d09fba0 RDI: 0000000000000005
[   23.511177][  T341] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.511673][  T341] R10: 000000000cf4a910 R11: 0000000000000246 R12: 0000000000000004
[   23.512136][  T341] R13: 00000000686e12c8 R14: 0000000000499600 R15: 0000000000000000
| [   23.747071][  T343] ------------[ cut here ]------------
| [ 23.747427][ T343] WARNING: CPU: 3 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.748039][  T343] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   23.750324][  T343] Tainted: [W]=WARN
[   23.750557][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.750945][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.751264][ T343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.752395][  T343] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   23.752784][  T343] RAX: 0000000000000000 RBX: ffff888004cea000 RCX: 0000000000000001
[   23.753242][  T343] RDX: 0000000000000000 RSI: ffffffff8f29b941 RDI: ffffffff8ea555e0
[   23.753715][  T343] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.754174][  T343] R10: ffffc90000597010 R11: ffffffff900a8918 R12: 1ffff920000b2de2
[   23.754641][  T343] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888004ceaf08
[   23.755100][  T343] FS:  00007f6b1d8ba800(0000) GS:ffff8880a5037000(0000) knlGS:0000000000000000
[   23.755658][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.756059][  T343] CR2: 00000000004e5ab0 CR3: 000000000e9dc003 CR4: 0000000000772ef0
[   23.756547][  T343] PKRU: 55555554
[   23.756782][  T343] Call Trace:
[   23.757010][  T343]  <TASK>
[ 23.757170][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.757488][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.757807][ T343] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.758115][ T343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.758513][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.758827][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 23.759138][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.759469][ T343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.759904][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.760148][ T343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.760599][ T343] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.760957][ T343] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.761275][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.761601][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.761990][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.762311][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.762615][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.762928][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.763238][ T343] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.763558][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.763939][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.764249][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.764578][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.764888][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.765196][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.765510][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.765813][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 23.766144][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.766461][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.766766][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.767149][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.767479][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.767790][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.768094][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.768430][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.768737][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.769039][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.769358][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.769671][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.769977][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.770300][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.770613][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.770918][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.771225][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.771552][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.771862][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.772172][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.772503][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.772811][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.773118][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.773437][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.773747][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.774066][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.774385][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.774689][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.775083][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 23.775395][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.775701][ T343] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.776097][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.776445][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.776758][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.777070][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.777395][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.777702][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.778020][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 23.778334][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.778715][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.779040][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.779359][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.779674][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.780056][  T343] RIP: 0033:0x7f6b1da871e7
[ 23.780394][ T343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.781494][  T343] RSP: 002b:00007ffd9cf4e768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.781956][  T343] RAX: ffffffffffffffda RBX: 00007ffd9cf4ee90 RCX: 00007f6b1da871e7
[   23.782424][  T343] RDX: 0000000000000000 RSI: 00007ffd9cf4e7d0 RDI: 0000000000000005
[   23.782880][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.783352][  T343] R10: 000000003bd09910 R11: 0000000000000246 R12: 0000000000000004
[   23.783808][  T343] R13: 00000000686e12c8 R14: 0000000000499600 R15: 0000000000000000
| [   24.226089][  T346] ------------[ cut here ]------------
| [ 24.226459][ T346] WARNING: CPU: 0 PID: 346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.227086][  T346] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
| [   24.228435][  T346] Tainted: [W]=WARN
[   24.228668][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.229060][ T346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.229384][ T346] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.230490][  T346] RSP: 0018:ffffc900008d7000 EFLAGS: 00010246
[   24.230879][  T346] RAX: 0000000000000000 RBX: ffff888009414000 RCX: 0000000000000001
[   24.231346][  T346] RDX: 0000000000000000 RSI: ffffffff8f29b941 RDI: ffffffff8ea555e0
[   24.231799][  T346] RBP: ffffc900008d70e8 R08: ffff888009414218 R09: 0000000000000000
[   24.232253][  T346] R10: ffffc900008d7118 R11: ffffffff8f779160 R12: 1ffff9200011ae04
[   24.232731][  T346] R13: 00000000000005b6 R14: ffffc900008d7118 R15: ffff888009414218
[   24.233196][  T346] FS:  00007ff8eed86800(0000) GS:ffff8880a4eb7000(0000) knlGS:0000000000000000
[   24.233732][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.234116][  T346] CR2: 0000000000436890 CR3: 0000000005180003 CR4: 0000000000772ef0
[   24.234586][  T346] PKRU: 55555554
[   24.234815][  T346] Call Trace:
[   24.235044][  T346]  <TASK>
[ 24.235203][ T346] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.235613][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.235929][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.236241][ T346] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 24.236562][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.236876][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 24.237182][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.237514][ T346] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 24.237824][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.238057][ T346] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.238380][ T346] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.238693][ T346] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.239007][ T346] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.239396][ T346] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.239709][ T346] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.240020][ T346] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.240340][ T346] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.240644][ T346] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.240950][ T346] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.241256][ T346] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.241578][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.241884][ T346] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.242218][ T346] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.242543][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.242856][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.243174][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.243491][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.243806][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.244111][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.244427][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.244743][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.245056][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.245377][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.245688][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.246013][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.246321][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.246630][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.246947][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.247256][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.247575][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.247888][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.248195][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.248519][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.248837][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.249145][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.249545][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 24.249853][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.250159][ T346] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 24.250478][ T346] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.250779][ T346] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 24.251108][ T346] ? __handle_mm_fault (mm/memory.c:6212) 
[ 24.251423][ T346] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 24.251726][ T346] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 24.252046][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 24.252359][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.252662][ T346] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 24.252983][ T346] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 24.253306][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.253625][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.253932][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.254322][  T346] RIP: 0033:0x7ff8eef531e7
[ 24.254641][ T346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.255744][  T346] RSP: 002b:00007ffca91e37f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.256214][  T346] RAX: ffffffffffffffda RBX: 00007ffca91e3f20 RCX: 00007ff8eef531e7
[   24.256679][  T346] RDX: 0000000000000000 RSI: 00007ffca91e3860 RDI: 0000000000000005
[   24.257136][  T346] RBP: 0000000000000008 R08: 00000000000000ac R09: 0000000000000000
[   24.257608][  T346] R10: 00007ff8eee4b6f8 R11: 0000000000000246 R12: 00007ffca91e3f40


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