======================================
| [  138.106964][ T1980] br0: port 1(vx0) entered forwarding state
| [  138.111143][ T1980] ------------[ cut here ]------------
| [ 138.111455][ T1980] WARNING: CPU: 3 PID: 1980 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) 
| [  138.112729][ T1980] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
[  138.113829][ T1980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.114217][ T1980] 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) 
[ 138.114532][ T1980] 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
[  138.115618][ T1980] RSP: 0018:ffffc90000bc7080 EFLAGS: 00010246
[  138.116018][ T1980] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001
[  138.116473][ T1980] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  138.116932][ T1980] RBP: ffffc90000bc7168 R08: 0000000000000000 R09: 0000000000000000
[  138.117387][ T1980] R10: ffffc90000bc7198 R11: ffffffffbcf8d1e0 R12: 1ffff92000178e14
[  138.117847][ T1980] R13: 00000000000005dc R14: ffffc90000bc7198 R15: ffff888010702f48
[  138.118312][ T1980] FS:  00007f1be8837800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  138.118846][ T1980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  138.119238][ T1980] CR2: 000055f5ba54c498 CR3: 000000000cee6002 CR4: 0000000000772ef0
[  138.119702][ T1980] PKRU: 55555554
[  138.119940][ T1980] Call Trace:
[  138.120170][ T1980]  <TASK>
[ 138.120331][ T1980] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 138.120644][ T1980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.120976][ T1980] netif_set_mtu (net/core/dev.c:9652) 
[ 138.121281][ T1980] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 138.121598][ T1980] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 138.121833][ T1980] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 138.122153][ T1980] br_add_if (net/bridge/br_if.c:697) 
[ 138.122393][ T1980] do_set_master (net/core/rtnetlink.c:2948) 
[ 138.122691][ T1980] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 138.123001][ T1980] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 138.123304][ T1980] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 138.123603][ T1980] ? __dev_get_by_name (net/core/dev.c:865) 
[ 138.123912][ T1980] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 138.124218][ T1980] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 138.124526][ T1980] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 138.124824][ T1980] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 138.125135][ T1980] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 138.125447][ T1980] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 138.125753][ T1980] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 138.126072][ T1980] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 138.126375][ T1980] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 138.126683][ T1980] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 138.126990][ T1980] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 138.127293][ T1980] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 138.127599][ T1980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.127912][ T1980] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 138.128215][ T1980] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 138.128518][ T1980] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 138.128835][ T1980] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 138.129145][ T1980] ? 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) 
[ 138.129447][ T1980] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 138.129751][ T1980] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 138.130057][ T1980] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.130363][ T1980] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 138.130667][ T1980] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 138.130980][ T1980] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 138.131292][ T1980] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 138.131597][ T1980] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 138.131909][ T1980] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 138.132294][ T1980] ___sys_sendmsg (net/socket.c:2670) 
[ 138.132596][ T1980] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 138.132905][ T1980] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 138.133214][ T1980] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 138.133515][ T1980] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 138.133828][ T1980] ? __handle_mm_fault (mm/memory.c:6212) 
[ 138.134136][ T1980] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 138.134435][ T1980] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 138.134759][ T1980] __sys_sendmsg (net/socket.c:2700) 
[ 138.135070][ T1980] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 138.135371][ T1980] ? 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) 
[ 138.135685][ T1980] ? 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) 
[ 138.135994][ T1980] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 138.136302][ T1980] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 138.136604][ T1980] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  138.136990][ T1980] RIP: 0033:0x7f1be8a041e7
[ 138.137305][ T1980] Code: Unable to access opcode bytes at 0x7f1be8a041bd.

Code starting with the faulting instruction
===========================================
[  138.137704][ T1980] RSP: 002b:00007fff2a140718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  138.138167][ T1980] RAX: ffffffffffffffda RBX: 00007fff2a140e50 RCX: 00007f1be8a041e7
[  138.138620][ T1980] RDX: 0000000000000000 RSI: 00007fff2a140780 RDI: 0000000000000005
[  138.139076][ T1980] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  138.139536][ T1980] R10: 00007f1be8a92ac0 R11: 0000000000000246 R12: 00007fff2a140e88
[  138.139993][ T1980] R13: 00000000686e4f41 R14: 0000000000499600 R15: 00007fff2a140870
| [  142.010659][ T2011] ------------[ cut here ]------------
| [ 142.010977][ T2011] WARNING: CPU: 1 PID: 2011 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) 
| [  142.011572][ T2011] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  142.012690][ T2011] Tainted: [W]=WARN
[  142.013071][ T2011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 142.013448][ T2011] 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) 
[ 142.013765][ T2011] 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
[  142.015017][ T2011] RSP: 0018:ffffc90000ad7080 EFLAGS: 00010246
[  142.015401][ T2011] RAX: 0000000000000000 RBX: ffff8880058da000 RCX: 0000000000000001
[  142.015851][ T2011] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  142.016450][ T2011] RBP: ffffc90000ad7168 R08: 0000000000000000 R09: 0000000000000000
[  142.016995][ T2011] R10: ffffc90000ad7198 R11: ffffffffbcf8d1e0 R12: 1ffff9200015ae14
[  142.017449][ T2011] R13: 00000000000005dc R14: ffffc90000ad7198 R15: ffff8880058daf48
[  142.017908][ T2011] FS:  00007f8f2d0d0800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  142.018434][ T2011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  142.018812][ T2011] CR2: 00007f8f2d1d0130 CR3: 000000000d3f3001 CR4: 0000000000772ef0
[  142.019277][ T2011] PKRU: 55555554
[  142.019503][ T2011] Call Trace:
[  142.019729][ T2011]  <TASK>
[ 142.019884][ T2011] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 142.020201][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.020521][ T2011] netif_set_mtu (net/core/dev.c:9652) 
[ 142.020829][ T2011] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 142.021155][ T2011] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 142.021389][ T2011] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 142.021695][ T2011] br_add_if (net/bridge/br_if.c:697) 
[ 142.021939][ T2011] do_set_master (net/core/rtnetlink.c:2948) 
[ 142.022240][ T2011] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 142.022544][ T2011] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 142.022850][ T2011] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 142.023157][ T2011] ? __dev_get_by_name (net/core/dev.c:865) 
[ 142.023459][ T2011] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 142.023764][ T2011] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 142.024085][ T2011] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 142.024393][ T2011] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 142.024699][ T2011] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 142.025018][ T2011] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 142.025332][ T2011] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 142.025645][ T2011] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 142.025957][ T2011] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 142.026262][ T2011] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 142.026562][ T2011] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 142.026865][ T2011] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 142.027178][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.027483][ T2011] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 142.027783][ T2011] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 142.028102][ T2011] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 142.028423][ T2011] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 142.028721][ T2011] ? 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) 
[ 142.029037][ T2011] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 142.029347][ T2011] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 142.029645][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.029958][ T2011] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 142.030261][ T2011] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 142.030563][ T2011] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 142.030878][ T2011] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 142.031189][ T2011] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 142.031487][ T2011] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 142.031873][ T2011] ___sys_sendmsg (net/socket.c:2670) 
[ 142.032191][ T2011] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 142.032498][ T2011] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 142.032806][ T2011] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 142.033114][ T2011] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 142.033426][ T2011] ? __handle_mm_fault (mm/memory.c:6212) 
[ 142.033728][ T2011] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 142.034035][ T2011] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 142.034355][ T2011] __sys_sendmsg (net/socket.c:2700) 
[ 142.034660][ T2011] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 142.034968][ T2011] ? 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) 
[ 142.035276][ T2011] ? 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) 
[ 142.035579][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 142.035884][ T2011] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 142.036352][ T2011] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  142.036734][ T2011] RIP: 0033:0x7f8f2d29d1e7
[ 142.037062][ T2011] 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)
[  142.038160][ T2011] RSP: 002b:00007ffd33838d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  142.038616][ T2011] RAX: ffffffffffffffda RBX: 00007ffd33839450 RCX: 00007f8f2d29d1e7
[  142.039076][ T2011] RDX: 0000000000000000 RSI: 00007ffd33838d80 RDI: 0000000000000005
[  142.039529][ T2011] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  142.039986][ T2011] R10: 00007f8f2d32bac0 R11: 0000000000000246 R12: 00007ffd33839488
[  142.040440][ T2011] R13: 00000000686e4f45 R14: 0000000000499600 R15: 00007ffd33838e70
| [  148.165231][ T2068] ------------[ cut here ]------------
| [ 148.165561][ T2068] WARNING: CPU: 2 PID: 2068 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) 
| [  148.166178][ T2068] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  148.167314][ T2068] Tainted: [W]=WARN
[  148.167560][ T2068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 148.167957][ T2068] 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) 
[ 148.168277][ T2068] 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
[  148.169378][ T2068] RSP: 0018:ffffc90000c97080 EFLAGS: 00010246
[  148.169774][ T2068] RAX: 0000000000000000 RBX: ffff88800e2c2000 RCX: 0000000000000001
[  148.170246][ T2068] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  148.170720][ T2068] RBP: ffffc90000c97168 R08: 0000000000000000 R09: 0000000000000000
[  148.171202][ T2068] R10: ffffc90000c97198 R11: ffffffffbcf8d1e0 R12: 1ffff92000192e14
[  148.171672][ T2068] R13: 00000000000005dc R14: ffffc90000c97198 R15: ffff88800e2c2f48
[  148.172144][ T2068] FS:  00007efcabe13800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  148.172686][ T2068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  148.173086][ T2068] CR2: 00007efcabffeba0 CR3: 0000000005376005 CR4: 0000000000772ef0
[  148.173556][ T2068] PKRU: 55555554
[  148.173795][ T2068] Call Trace:
[  148.174041][ T2068]  <TASK>
[ 148.174210][ T2068] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 148.174527][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 148.174851][ T2068] netif_set_mtu (net/core/dev.c:9652) 
[ 148.175184][ T2068] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 148.175519][ T2068] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 148.175765][ T2068] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 148.176092][ T2068] br_add_if (net/bridge/br_if.c:697) 
[ 148.176347][ T2068] do_set_master (net/core/rtnetlink.c:2948) 
[ 148.176660][ T2068] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 148.176988][ T2068] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 148.177305][ T2068] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 148.177614][ T2068] ? __dev_get_by_name (net/core/dev.c:865) 
[ 148.177950][ T2068] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 148.178271][ T2068] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 148.178591][ T2068] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 148.178918][ T2068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 148.179239][ T2068] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 148.179563][ T2068] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 148.179882][ T2068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 148.180247][ T2068] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 148.180567][ T2068] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 148.180906][ T2068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 148.181223][ T2068] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 148.181537][ T2068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 148.181855][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 148.182196][ T2068] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 148.182513][ T2068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 148.182827][ T2068] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 148.183179][ T2068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 148.183500][ T2068] ? 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) 
[ 148.183816][ T2068] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 148.184142][ T2068] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 148.184456][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 148.184775][ T2068] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 148.185105][ T2068] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 148.185424][ T2068] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 148.185747][ T2068] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 148.186072][ T2068] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 148.186386][ T2068] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 148.186783][ T2068] ___sys_sendmsg (net/socket.c:2670) 
[ 148.187123][ T2068] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 148.187442][ T2068] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 148.187773][ T2068] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 148.188095][ T2068] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 148.188415][ T2068] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 148.188735][ T2068] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 148.189070][ T2068] __sys_sendmsg (net/socket.c:2700) 
[ 148.189384][ T2068] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 148.189711][ T2068] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 148.190044][ T2068] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 148.190362][ T2068] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  148.190754][ T2068] RIP: 0033:0x7efcabfe01e7
[ 148.191096][ T2068] 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)
[  148.192199][ T2068] RSP: 002b:00007ffdf2a47238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  148.192669][ T2068] RAX: ffffffffffffffda RBX: 00007ffdf2a47970 RCX: 00007efcabfe01e7
[  148.193146][ T2068] RDX: 0000000000000000 RSI: 00007ffdf2a472a0 RDI: 0000000000000005
[  148.193609][ T2068] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  148.194085][ T2068] R10: 00007efcac06eac0 R11: 0000000000000246 R12: 00007ffdf2a479a8
[  148.194555][ T2068] R13: 00000000686e4f4b R14: 0000000000499600 R15: 00007ffdf2a47390
| [  152.096026][ T2098] ------------[ cut here ]------------
| [ 152.096354][ T2098] WARNING: CPU: 2 PID: 2098 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) 
| [  152.096978][ T2098] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  152.098118][ T2098] Tainted: [W]=WARN
[  152.098358][ T2098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.098744][ T2098] 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) 
[ 152.099072][ T2098] 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
[  152.100176][ T2098] RSP: 0018:ffffc90000dd7080 EFLAGS: 00010246
[  152.100571][ T2098] RAX: 0000000000000000 RBX: ffff88800e15a000 RCX: 0000000000000001
[  152.101052][ T2098] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  152.101518][ T2098] RBP: ffffc90000dd7168 R08: 0000000000000000 R09: 0000000000000000
[  152.101991][ T2098] R10: ffffc90000dd7198 R11: ffffffffbcf8d1e0 R12: 1ffff920001bae14
[  152.102453][ T2098] R13: 00000000000005dc R14: ffffc90000dd7198 R15: ffff88800e15af48
[  152.102950][ T2098] FS:  00007f2d1582e800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  152.103495][ T2098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.103891][ T2098] CR2: 00007f2d15a19ba0 CR3: 000000000e055003 CR4: 0000000000772ef0
[  152.104371][ T2098] PKRU: 55555554
[  152.104611][ T2098] Call Trace:
[  152.104848][ T2098]  <TASK>
[ 152.105033][ T2098] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.105350][ T2098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.105680][ T2098] netif_set_mtu (net/core/dev.c:9652) 
[ 152.106016][ T2098] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.106345][ T2098] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.106589][ T2098] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 152.106915][ T2098] br_add_if (net/bridge/br_if.c:697) 
[ 152.107169][ T2098] do_set_master (net/core/rtnetlink.c:2948) 
[ 152.107482][ T2098] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 152.107799][ T2098] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 152.108133][ T2098] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 152.108445][ T2098] ? __dev_get_by_name (net/core/dev.c:865) 
[ 152.108761][ T2098] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.109104][ T2098] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.109436][ T2098] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.109745][ T2098] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.110072][ T2098] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 152.110395][ T2098] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.110729][ T2098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.111062][ T2098] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.111375][ T2098] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.111687][ T2098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.112010][ T2098] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.112326][ T2098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.112644][ T2098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.112970][ T2098] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.113292][ T2098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.113607][ T2098] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.113944][ T2098] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.114255][ T2098] ? 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) 
[ 152.114573][ T2098] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.114891][ T2098] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.115217][ T2098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.115536][ T2098] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.115854][ T2098] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.116181][ T2098] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.116506][ T2098] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.116822][ T2098] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.117143][ T2098] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.117545][ T2098] ___sys_sendmsg (net/socket.c:2670) 
[ 152.117866][ T2098] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.118192][ T2098] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 152.118508][ T2098] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 152.118820][ T2098] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 152.119146][ T2098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.119468][ T2098] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.119785][ T2098] __sys_sendmsg (net/socket.c:2700) 
[ 152.120144][ T2098] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.120470][ T2098] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.120792][ T2098] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.121117][ T2098] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.121512][ T2098] RIP: 0033:0x7f2d159fb1e7
[ 152.121833][ T2098] 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)
[  152.122931][ T2098] RSP: 002b:00007ffe680e2938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.123397][ T2098] RAX: ffffffffffffffda RBX: 00007ffe680e3070 RCX: 00007f2d159fb1e7
[  152.123861][ T2098] RDX: 0000000000000000 RSI: 00007ffe680e29a0 RDI: 0000000000000005
[  152.124337][ T2098] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  152.124803][ T2098] R10: 00007f2d15a89ac0 R11: 0000000000000246 R12: 00007ffe680e30a8
[  152.125273][ T2098] R13: 00000000686e4f4f R14: 0000000000499600 R15: 00007ffe680e2a90
| [  170.848736][ T2271] ------------[ cut here ]------------
| [ 170.849129][ T2271] WARNING: CPU: 1 PID: 2271 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) 
| [  170.849817][ T2271] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  170.851061][ T2271] Tainted: [W]=WARN
[  170.851325][ T2271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.851756][ T2271] 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) 
[ 170.852116][ T2271] 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
[  170.853362][ T2271] RSP: 0018:ffffc90001447080 EFLAGS: 00010246
[  170.853794][ T2271] RAX: 0000000000000000 RBX: ffff8880125c2000 RCX: 0000000000000001
[  170.854312][ T2271] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  170.854820][ T2271] RBP: ffffc90001447168 R08: 0000000000000000 R09: 0000000000000000
[  170.855347][ T2271] R10: ffffc90001447198 R11: ffffffffbcf8d1e0 R12: 1ffff92000288e14
[  170.855855][ T2271] R13: 00000000000005dc R14: ffffc90001447198 R15: ffff8880125c2f48
[  170.856371][ T2271] FS:  00007f68f61cc800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  170.856983][ T2271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.857421][ T2271] CR2: 000000000043d940 CR3: 0000000002b1e004 CR4: 0000000000772ef0
[  170.857943][ T2271] PKRU: 55555554
[  170.858208][ T2271] Call Trace:
[  170.858465][ T2271]  <TASK>
[ 170.858640][ T2271] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.858991][ T2271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.859347][ T2271] netif_set_mtu (net/core/dev.c:9652) 
[ 170.859687][ T2271] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.860060][ T2271] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.860321][ T2271] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 170.860674][ T2271] br_add_if (net/bridge/br_if.c:697) 
[ 170.860962][ T2271] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.861306][ T2271] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 170.861650][ T2271] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 170.862006][ T2271] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 170.862351][ T2271] ? __dev_get_by_name (net/core/dev.c:865) 
[ 170.862694][ T2271] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.863043][ T2271] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 170.863391][ T2271] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.863728][ T2271] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.864084][ T2271] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 170.864436][ T2271] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.864784][ T2271] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.865163][ T2271] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.865503][ T2271] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.865846][ T2271] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.866210][ T2271] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.866554][ T2271] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.866912][ T2271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.867260][ T2271] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.867609][ T2271] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.867977][ T2271] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.868334][ T2271] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.868673][ T2271] ? 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) 
[ 170.869035][ T2271] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 170.869383][ T2271] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.869723][ T2271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.870087][ T2271] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.870436][ T2271] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.870788][ T2271] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.871148][ T2271] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.871493][ T2271] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.871833][ T2271] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.872280][ T2271] ___sys_sendmsg (net/socket.c:2670) 
[ 170.872629][ T2271] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.872993][ T2271] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 170.873341][ T2271] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 170.873682][ T2271] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 170.874034][ T2271] ? __handle_mm_fault (mm/memory.c:6212) 
[ 170.874378][ T2271] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 170.874717][ T2271] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 170.875092][ T2271] __sys_sendmsg (net/socket.c:2700) 
[ 170.875436][ T2271] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.875775][ T2271] ? 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) 
[ 170.876135][ T2271] ? 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) 
[ 170.876481][ T2271] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.876825][ T2271] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.877188][ T2271] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.877623][ T2271] RIP: 0033:0x7f68f63991e7
[ 170.877986][ T2271] 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)
[  170.879210][ T2271] RSP: 002b:00007fff3efa1a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.879733][ T2271] RAX: ffffffffffffffda RBX: 00007fff3efa2160 RCX: 00007f68f63991e7
[  170.880252][ T2271] RDX: 0000000000000000 RSI: 00007fff3efa1a90 RDI: 0000000000000005
[  170.880772][ T2271] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  170.881299][ T2271] R10: 00007f68f6427ac0 R11: 0000000000000246 R12: 00007fff3efa2198
[  170.881813][ T2271] R13: 00000000686e4f62 R14: 0000000000499600 R15: 00007fff3efa1b80
| [  174.752685][ T2301] ------------[ cut here ]------------
| [ 174.753029][ T2301] WARNING: CPU: 0 PID: 2301 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) 
| [  174.753662][ T2301] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  174.755850][ T2301] Tainted: [W]=WARN
[  174.756100][ T2301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 174.756498][ T2301] 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) 
[ 174.756828][ T2301] 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
[  174.758011][ T2301] RSP: 0018:ffffc90001547080 EFLAGS: 00010246
[  174.758423][ T2301] RAX: 0000000000000000 RBX: ffff88800e2c2000 RCX: 0000000000000001
[  174.758904][ T2301] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  174.759384][ T2301] RBP: ffffc90001547168 R08: 0000000000000000 R09: 0000000000000000
[  174.759860][ T2301] R10: ffffc90001547198 R11: ffffffffbcf8d1e0 R12: 1ffff920002a8e14
[  174.760349][ T2301] R13: 00000000000005dc R14: ffffc90001547198 R15: ffff88800e2c2f48
[  174.760835][ T2301] FS:  00007f4ee1722800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  174.761400][ T2301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  174.761801][ T2301] CR2: 000000000043d940 CR3: 000000000a078002 CR4: 0000000000772ef0
[  174.762315][ T2301] PKRU: 55555554
[  174.762558][ T2301] Call Trace:
[  174.762794][ T2301]  <TASK>
[ 174.762967][ T2301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 174.763290][ T2301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.763624][ T2301] netif_set_mtu (net/core/dev.c:9652) 
[ 174.763951][ T2301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 174.764285][ T2301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 174.764528][ T2301] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 174.764857][ T2301] br_add_if (net/bridge/br_if.c:697) 
[ 174.765116][ T2301] do_set_master (net/core/rtnetlink.c:2948) 
[ 174.765434][ T2301] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 174.765755][ T2301] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 174.766115][ T2301] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 174.766433][ T2301] ? __dev_get_by_name (net/core/dev.c:865) 
[ 174.766753][ T2301] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 174.767082][ T2301] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 174.767408][ T2301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 174.767728][ T2301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 174.768059][ T2301] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 174.768386][ T2301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 174.768706][ T2301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 174.769043][ T2301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 174.769357][ T2301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 174.769680][ T2301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 174.770032][ T2301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 174.770355][ T2301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 174.770685][ T2301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.771016][ T2301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 174.771335][ T2301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 174.771653][ T2301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 174.771994][ T2301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 174.772315][ T2301] ? 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) 
[ 174.772635][ T2301] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 174.772962][ T2301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 174.773280][ T2301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.773606][ T2301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 174.773956][ T2301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 174.774288][ T2301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 174.774613][ T2301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 174.774940][ T2301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 174.775259][ T2301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 174.775666][ T2301] ___sys_sendmsg (net/socket.c:2670) 
[ 174.775992][ T2301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 174.776309][ T2301] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 174.776633][ T2301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 174.776957][ T2301] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 174.777276][ T2301] ? __handle_mm_fault (mm/memory.c:6212) 
[ 174.777595][ T2301] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 174.777926][ T2301] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 174.778286][ T2301] __sys_sendmsg (net/socket.c:2700) 
[ 174.778606][ T2301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 174.778938][ T2301] ? 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) 
[ 174.779264][ T2301] ? 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) 
[ 174.779583][ T2301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 174.779910][ T2301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 174.780230][ T2301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  174.780633][ T2301] RIP: 0033:0x7f4ee18ef1e7
[ 174.780971][ T2301] 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)
[  174.782142][ T2301] RSP: 002b:00007fffcbe78968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  174.782624][ T2301] RAX: ffffffffffffffda RBX: 00007fffcbe790a0 RCX: 00007f4ee18ef1e7
[  174.783107][ T2301] RDX: 0000000000000000 RSI: 00007fffcbe789d0 RDI: 0000000000000005
[  174.783590][ T2301] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  174.784073][ T2301] R10: 00007f4ee197dac0 R11: 0000000000000246 R12: 00007fffcbe790d8
[  174.784554][ T2301] R13: 00000000686e4f66 R14: 0000000000499600 R15: 00007fffcbe78ac0
| [  181.528880][ T2367] ------------[ cut here ]------------
| [ 181.529216][ T2367] WARNING: CPU: 1 PID: 2367 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) 
| [  181.529813][ T2367] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  181.530960][ T2367] Tainted: [W]=WARN
[  181.531192][ T2367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 181.531569][ T2367] 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) 
[ 181.531881][ T2367] 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
[  181.532974][ T2367] RSP: 0018:ffffc900017d7080 EFLAGS: 00010246
[  181.533355][ T2367] RAX: 0000000000000000 RBX: ffff88800fc12000 RCX: 0000000000000001
[  181.533802][ T2367] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  181.534266][ T2367] RBP: ffffc900017d7168 R08: 0000000000000000 R09: 0000000000000000
[  181.534717][ T2367] R10: ffffc900017d7198 R11: ffffffffbcf8d1e0 R12: 1ffff920002fae14
[  181.535189][ T2367] R13: 00000000000005dc R14: ffffc900017d7198 R15: ffff88800fc12f48
[  181.535641][ T2367] FS:  00007ff48540c800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  181.536184][ T2367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  181.536567][ T2367] CR2: 000055a60b7cadec CR3: 000000000cc51005 CR4: 0000000000772ef0
[  181.537032][ T2367] PKRU: 55555554
[  181.537259][ T2367] Call Trace:
[  181.537483][ T2367]  <TASK>
[ 181.537638][ T2367] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 181.537949][ T2367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.538265][ T2367] netif_set_mtu (net/core/dev.c:9652) 
[ 181.538568][ T2367] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 181.538884][ T2367] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 181.539132][ T2367] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 181.539439][ T2367] br_add_if (net/bridge/br_if.c:697) 
[ 181.539678][ T2367] do_set_master (net/core/rtnetlink.c:2948) 
[ 181.539987][ T2367] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 181.540292][ T2367] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 181.540601][ T2367] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 181.540916][ T2367] ? __dev_get_by_name (net/core/dev.c:865) 
[ 181.541220][ T2367] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 181.541520][ T2367] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 181.541829][ T2367] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 181.542138][ T2367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 181.542447][ T2367] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 181.542759][ T2367] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 181.543088][ T2367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 181.543405][ T2367] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 181.543706][ T2367] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 181.544020][ T2367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 181.544323][ T2367] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 181.544625][ T2367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 181.544938][ T2367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.545250][ T2367] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 181.545554][ T2367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 181.545857][ T2367] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 181.546183][ T2367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 181.546486][ T2367] ? 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) 
[ 181.546789][ T2367] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 181.547112][ T2367] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 181.547427][ T2367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.547736][ T2367] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 181.548049][ T2367] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 181.548352][ T2367] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 181.548663][ T2367] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 181.548976][ T2367] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 181.549277][ T2367] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 181.549670][ T2367] ___sys_sendmsg (net/socket.c:2670) 
[ 181.549982][ T2367] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 181.550288][ T2367] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 181.550595][ T2367] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 181.550919][ T2367] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 181.551226][ T2367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.551533][ T2367] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 181.551840][ T2367] __sys_sendmsg (net/socket.c:2700) 
[ 181.552163][ T2367] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 181.552478][ T2367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 181.552782][ T2367] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 181.553093][ T2367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  181.553465][ T2367] RIP: 0033:0x7ff4855d91e7
[ 181.553776][ T2367] 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)
[  181.554863][ T2367] RSP: 002b:00007ffd06df6b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  181.555334][ T2367] RAX: ffffffffffffffda RBX: 00007ffd06df7280 RCX: 00007ff4855d91e7
[  181.555794][ T2367] RDX: 0000000000000000 RSI: 00007ffd06df6bb0 RDI: 0000000000000005
[  181.556260][ T2367] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  181.556710][ T2367] R10: 00007ff485667ac0 R11: 0000000000000246 R12: 00007ffd06df72b8
[  181.557171][ T2367] R13: 00000000686e4f6d R14: 0000000000499600 R15: 00007ffd06df6ca0
| [  185.393728][ T2397] ------------[ cut here ]------------
| [ 185.394087][ T2397] WARNING: CPU: 2 PID: 2397 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) 
| [  185.394696][ T2397] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  185.395807][ T2397] Tainted: [W]=WARN
[  185.396063][ T2397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 185.396456][ T2397] 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) 
[ 185.396782][ T2397] 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
[  185.397884][ T2397] RSP: 0018:ffffc90001917080 EFLAGS: 00010246
[  185.398289][ T2397] RAX: 0000000000000000 RBX: ffff8880092d2000 RCX: 0000000000000001
[  185.398754][ T2397] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  185.399227][ T2397] RBP: ffffc90001917168 R08: 0000000000000000 R09: 0000000000000000
[  185.399689][ T2397] R10: ffffc90001917198 R11: ffffffffbcf8d1e0 R12: 1ffff92000322e14
[  185.400163][ T2397] R13: 00000000000005dc R14: ffffc90001917198 R15: ffff8880092d2f48
[  185.400624][ T2397] FS:  00007fb8a33ff800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  185.401180][ T2397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  185.401571][ T2397] CR2: 00007fb8a35eaba0 CR3: 000000000ab94006 CR4: 0000000000772ef0
[  185.402051][ T2397] PKRU: 55555554
[  185.402292][ T2397] Call Trace:
[  185.402528][ T2397]  <TASK>
[ 185.402696][ T2397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 185.403019][ T2397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.403345][ T2397] netif_set_mtu (net/core/dev.c:9652) 
[ 185.403660][ T2397] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 185.403998][ T2397] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 185.404248][ T2397] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 185.404567][ T2397] br_add_if (net/bridge/br_if.c:697) 
[ 185.404821][ T2397] do_set_master (net/core/rtnetlink.c:2948) 
[ 185.405145][ T2397] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 185.405464][ T2397] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 185.405779][ T2397] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 185.406109][ T2397] ? __dev_get_by_name (net/core/dev.c:865) 
[ 185.406428][ T2397] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 185.406738][ T2397] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 185.407067][ T2397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 185.407378][ T2397] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 185.407697][ T2397] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 185.408028][ T2397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 185.408379][ T2397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 185.408708][ T2397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 185.409041][ T2397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 185.409358][ T2397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 185.409674][ T2397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 185.410000][ T2397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 185.410322][ T2397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.410646][ T2397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 185.410974][ T2397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 185.411290][ T2397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 185.411622][ T2397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 185.411941][ T2397] ? 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) 
[ 185.412260][ T2397] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 185.412578][ T2397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 185.412902][ T2397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.413224][ T2397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 185.413546][ T2397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 185.413867][ T2397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 185.414200][ T2397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 185.414518][ T2397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 185.414827][ T2397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 185.415236][ T2397] ___sys_sendmsg (net/socket.c:2670) 
[ 185.415555][ T2397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 185.415873][ T2397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 185.416205][ T2397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 185.416518][ T2397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 185.416836][ T2397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.417170][ T2397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 185.417487][ T2397] __sys_sendmsg (net/socket.c:2700) 
[ 185.417801][ T2397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 185.418136][ T2397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 185.418461][ T2397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 185.418778][ T2397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  185.419173][ T2397] RIP: 0033:0x7fb8a35cc1e7
[ 185.419496][ T2397] 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)
[  185.420602][ T2397] RSP: 002b:00007ffe4bbecc18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  185.421085][ T2397] RAX: ffffffffffffffda RBX: 00007ffe4bbed350 RCX: 00007fb8a35cc1e7
[  185.421548][ T2397] RDX: 0000000000000000 RSI: 00007ffe4bbecc80 RDI: 0000000000000005
[  185.422016][ T2397] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  185.422479][ T2397] R10: 00007fb8a365aac0 R11: 0000000000000246 R12: 00007ffe4bbed388
[  185.422957][ T2397] R13: 00000000686e4f70 R14: 0000000000499600 R15: 00007ffe4bbecd70
| [  204.252520][ T2569] ------------[ cut here ]------------
| [ 204.252842][ T2569] WARNING: CPU: 0 PID: 2569 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) 
| [  204.253454][ T2569] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  204.254559][ T2569] Tainted: [W]=WARN
[  204.254790][ T2569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 204.256265][ T2569] 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) 
[ 204.256578][ T2569] 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
[  204.257659][ T2569] RSP: 0018:ffffc90001e6f080 EFLAGS: 00010246
[  204.258057][ T2569] RAX: 0000000000000000 RBX: ffff888012342000 RCX: 0000000000000001
[  204.258509][ T2569] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  204.258979][ T2569] RBP: ffffc90001e6f168 R08: 0000000000000000 R09: 0000000000000000
[  204.259428][ T2569] R10: ffffc90001e6f198 R11: ffffffffbcf8d1e0 R12: 1ffff920003cde14
[  204.259876][ T2569] R13: 00000000000005dc R14: ffffc90001e6f198 R15: ffff888012342f48
[  204.260334][ T2569] FS:  00007f2873280800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  204.260868][ T2569] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  204.261263][ T2569] CR2: 00007f2873380130 CR3: 000000000d591002 CR4: 0000000000772ef0
[  204.261715][ T2569] PKRU: 55555554
[  204.261956][ T2569] Call Trace:
[  204.262181][ T2569]  <TASK>
[ 204.262335][ T2569] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 204.262637][ T2569] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.262958][ T2569] netif_set_mtu (net/core/dev.c:9652) 
[ 204.263265][ T2569] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 204.263580][ T2569] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 204.263808][ T2569] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 204.264121][ T2569] br_add_if (net/bridge/br_if.c:697) 
[ 204.264359][ T2569] do_set_master (net/core/rtnetlink.c:2948) 
[ 204.264661][ T2569] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 204.264974][ T2569] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 204.265283][ T2569] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 204.265580][ T2569] ? __dev_get_by_name (net/core/dev.c:865) 
[ 204.265879][ T2569] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 204.266197][ T2569] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 204.266509][ T2569] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 204.266806][ T2569] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 204.267119][ T2569] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 204.267430][ T2569] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 204.267741][ T2569] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.268060][ T2569] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 204.268358][ T2569] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.268662][ T2569] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.268969][ T2569] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 204.269273][ T2569] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.269576][ T2569] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.269881][ T2569] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 204.270206][ T2569] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.270518][ T2569] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 204.270848][ T2569] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 204.271153][ T2569] ? 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) 
[ 204.271456][ T2569] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 204.271757][ T2569] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 204.272069][ T2569] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.272377][ T2569] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 204.272679][ T2569] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 204.272987][ T2569] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 204.273296][ T2569] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 204.273597][ T2569] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 204.273916][ T2569] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 204.274305][ T2569] ___sys_sendmsg (net/socket.c:2670) 
[ 204.274613][ T2569] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 204.274922][ T2569] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 204.275227][ T2569] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 204.275527][ T2569] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 204.275831][ T2569] ? __handle_mm_fault (mm/memory.c:6212) 
[ 204.276141][ T2569] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 204.276444][ T2569] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 204.276763][ T2569] __sys_sendmsg (net/socket.c:2700) 
[ 204.277072][ T2569] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 204.277373][ T2569] ? 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) 
[ 204.277680][ T2569] ? 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) 
[ 204.278000][ T2569] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.278305][ T2569] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 204.278615][ T2569] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  204.278998][ T2569] RIP: 0033:0x7f287344d1e7
[ 204.279309][ T2569] 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)
[  204.280385][ T2569] RSP: 002b:00007ffc54a2afe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  204.280852][ T2569] RAX: ffffffffffffffda RBX: 00007ffc54a2b720 RCX: 00007f287344d1e7
[  204.281307][ T2569] RDX: 0000000000000000 RSI: 00007ffc54a2b050 RDI: 0000000000000005
[  204.281759][ T2569] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  204.282227][ T2569] R10: 00007f28734dbac0 R11: 0000000000000246 R12: 00007ffc54a2b758
[  204.282683][ T2569] R13: 00000000686e4f83 R14: 0000000000499600 R15: 00007ffc54a2b140
| [  208.168280][ T2599] ------------[ cut here ]------------
| [ 208.168610][ T2599] WARNING: CPU: 2 PID: 2599 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) 
| [  208.169232][ T2599] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  208.170369][ T2599] Tainted: [W]=WARN
[  208.170612][ T2599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 208.171024][ T2599] 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) 
[ 208.171351][ T2599] 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
[  208.172462][ T2599] RSP: 0018:ffffc90001fbf080 EFLAGS: 00010246
[  208.172864][ T2599] RAX: 0000000000000000 RBX: ffff8880058da000 RCX: 0000000000000001
[  208.173343][ T2599] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  208.173809][ T2599] RBP: ffffc90001fbf168 R08: 0000000000000000 R09: 0000000000000000
[  208.174291][ T2599] R10: ffffc90001fbf198 R11: ffffffffbcf8d1e0 R12: 1ffff920003f7e14
[  208.174755][ T2599] R13: 00000000000005dc R14: ffffc90001fbf198 R15: ffff8880058daf48
[  208.175234][ T2599] FS:  00007fc4560cf800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  208.175777][ T2599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  208.176175][ T2599] CR2: 000000000043d940 CR3: 000000000516a001 CR4: 0000000000772ef0
[  208.176641][ T2599] PKRU: 55555554
[  208.176880][ T2599] Call Trace:
[  208.177128][ T2599]  <TASK>
[ 208.177298][ T2599] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 208.177618][ T2599] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 208.177967][ T2599] netif_set_mtu (net/core/dev.c:9652) 
[ 208.178291][ T2599] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 208.178619][ T2599] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 208.178865][ T2599] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 208.179195][ T2599] br_add_if (net/bridge/br_if.c:697) 
[ 208.179446][ T2599] do_set_master (net/core/rtnetlink.c:2948) 
[ 208.179763][ T2599] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 208.180089][ T2599] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 208.180409][ T2599] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 208.180726][ T2599] ? __dev_get_by_name (net/core/dev.c:865) 
[ 208.181058][ T2599] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 208.181370][ T2599] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 208.181690][ T2599] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 208.182025][ T2599] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 208.182361][ T2599] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 208.182685][ T2599] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 208.183020][ T2599] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 208.183344][ T2599] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 208.183657][ T2599] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 208.183984][ T2599] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 208.184299][ T2599] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 208.184618][ T2599] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 208.184949][ T2599] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 208.185272][ T2599] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 208.185587][ T2599] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 208.185923][ T2599] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 208.186262][ T2599] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 208.186572][ T2599] ? 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) 
[ 208.186902][ T2599] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 208.187221][ T2599] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 208.187534][ T2599] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 208.187855][ T2599] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 208.188187][ T2599] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 208.188502][ T2599] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 208.188821][ T2599] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 208.189150][ T2599] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 208.189469][ T2599] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 208.189867][ T2599] ___sys_sendmsg (net/socket.c:2670) 
[ 208.190204][ T2599] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 208.190523][ T2599] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 208.190847][ T2599] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 208.191174][ T2599] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 208.191495][ T2599] ? __handle_mm_fault (mm/memory.c:6212) 
[ 208.191808][ T2599] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 208.192129][ T2599] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 208.192461][ T2599] __sys_sendmsg (net/socket.c:2700) 
[ 208.192774][ T2599] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 208.193096][ T2599] ? 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) 
[ 208.193416][ T2599] ? 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) 
[ 208.193740][ T2599] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 208.194077][ T2599] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 208.194398][ T2599] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  208.194779][ T2599] RIP: 0033:0x7fc45629c1e7
[ 208.195114][ T2599] 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)
[  208.196212][ T2599] RSP: 002b:00007ffe9fde14e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  208.196676][ T2599] RAX: ffffffffffffffda RBX: 00007ffe9fde1c20 RCX: 00007fc45629c1e7
[  208.197153][ T2599] RDX: 0000000000000000 RSI: 00007ffe9fde1550 RDI: 0000000000000005
[  208.197622][ T2599] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  208.198113][ T2599] R10: 00007fc45632aac0 R11: 0000000000000246 R12: 00007ffe9fde1c58
[  208.198578][ T2599] R13: 00000000686e4f87 R14: 0000000000499600 R15: 00007ffe9fde1640
| [  214.814080][ T2664] ------------[ cut here ]------------
| [ 214.814382][ T2664] WARNING: CPU: 0 PID: 2664 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) 
| [  214.814987][ T2664] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  214.816096][ T2664] Tainted: [W]=WARN
[  214.816326][ T2664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 214.816699][ T2664] 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) 
[ 214.817031][ T2664] 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
[  214.818121][ T2664] RSP: 0018:ffffc900022df080 EFLAGS: 00010246
[  214.818502][ T2664] RAX: 0000000000000000 RBX: ffff88800b81a000 RCX: 0000000000000001
[  214.818958][ T2664] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  214.819408][ T2664] RBP: ffffc900022df168 R08: 0000000000000000 R09: 0000000000000000
[  214.819859][ T2664] R10: ffffc900022df198 R11: ffffffffbcf8d1e0 R12: 1ffff9200045be14
[  214.820320][ T2664] R13: 00000000000005dc R14: ffffc900022df198 R15: ffff88800b81af48
[  214.820792][ T2664] FS:  00007fd89f5a3800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  214.821466][ T2664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  214.821849][ T2664] CR2: 00007fd89f80c960 CR3: 000000000f7cb001 CR4: 0000000000772ef0
[  214.822449][ T2664] PKRU: 55555554
[  214.822677][ T2664] Call Trace:
[  214.823058][ T2664]  <TASK>
[ 214.823215][ T2664] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 214.823515][ T2664] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 214.823827][ T2664] netif_set_mtu (net/core/dev.c:9652) 
[ 214.824269][ T2664] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 214.824585][ T2664] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 214.824817][ T2664] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 214.825265][ T2664] br_add_if (net/bridge/br_if.c:697) 
[ 214.825508][ T2664] do_set_master (net/core/rtnetlink.c:2948) 
[ 214.825806][ T2664] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 214.826183][ T2664] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 214.826494][ T2664] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 214.826791][ T2664] ? __dev_get_by_name (net/core/dev.c:865) 
[ 214.827097][ T2664] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 214.827409][ T2664] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 214.827719][ T2664] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 214.828023][ T2664] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 214.828332][ T2664] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 214.828643][ T2664] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 214.828959][ T2664] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 214.829275][ T2664] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 214.829576][ T2664] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 214.829877][ T2664] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 214.830183][ T2664] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 214.830490][ T2664] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 214.830833][ T2664] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 214.831151][ T2664] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 214.831454][ T2664] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 214.831755][ T2664] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 214.832078][ T2664] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 214.832381][ T2664] ? 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) 
[ 214.832684][ T2664] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 214.832996][ T2664] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 214.833302][ T2664] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 214.833612][ T2664] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 214.833927][ T2664] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 214.834240][ T2664] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 214.834557][ T2664] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 214.834858][ T2664] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 214.835164][ T2664] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 214.835551][ T2664] ___sys_sendmsg (net/socket.c:2670) 
[ 214.835854][ T2664] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 214.836162][ T2664] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 214.836473][ T2664] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 214.836773][ T2664] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 214.837084][ T2664] ? __handle_mm_fault (mm/memory.c:6212) 
[ 214.837384][ T2664] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 214.837683][ T2664] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 214.838012][ T2664] __sys_sendmsg (net/socket.c:2700) 
[ 214.838319][ T2664] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 214.838622][ T2664] ? 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) 
[ 214.838936][ T2664] ? 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) 
[ 214.839238][ T2664] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 214.839539][ T2664] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 214.839842][ T2664] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  214.840222][ T2664] RIP: 0033:0x7fd89f7701e7
[ 214.840533][ T2664] 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)
[  214.841634][ T2664] RSP: 002b:00007fffbfa95e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  214.842094][ T2664] RAX: ffffffffffffffda RBX: 00007fffbfa96590 RCX: 00007fd89f7701e7
[  214.842550][ T2664] RDX: 0000000000000000 RSI: 00007fffbfa95ec0 RDI: 0000000000000005
[  214.843006][ T2664] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  214.843456][ T2664] R10: 00007fd89f7feac0 R11: 0000000000000246 R12: 00007fffbfa965c8
[  214.843915][ T2664] R13: 00000000686e4f8e R14: 0000000000499600 R15: 00007fffbfa95fb0
| [  218.735585][ T2694] ------------[ cut here ]------------
| [ 218.735930][ T2694] WARNING: CPU: 0 PID: 2694 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) 
| [  218.736529][ T2694] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  218.738652][ T2694] Tainted: [W]=WARN
[  218.738887][ T2694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 218.739273][ T2694] 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) 
[ 218.739586][ T2694] 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
[  218.740675][ T2694] RSP: 0018:ffffc9000244f080 EFLAGS: 00010246
[  218.741077][ T2694] RAX: 0000000000000000 RBX: ffff888009cca000 RCX: 0000000000000001
[  218.741527][ T2694] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  218.741992][ T2694] RBP: ffffc9000244f168 R08: 0000000000000000 R09: 0000000000000000
[  218.742445][ T2694] R10: ffffc9000244f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000489e14
[  218.742905][ T2694] R13: 00000000000005dc R14: ffffc9000244f198 R15: ffff888009ccaf48
[  218.743356][ T2694] FS:  00007f2f7cc8e800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  218.743881][ T2694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  218.744273][ T2694] CR2: 00007f2f7ce79ba0 CR3: 000000000ac85002 CR4: 0000000000772ef0
[  218.744727][ T2694] PKRU: 55555554
[  218.744961][ T2694] Call Trace:
[  218.745187][ T2694]  <TASK>
[ 218.745343][ T2694] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 218.745645][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.745966][ T2694] netif_set_mtu (net/core/dev.c:9652) 
[ 218.746273][ T2694] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 218.746592][ T2694] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 218.746823][ T2694] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 218.747134][ T2694] br_add_if (net/bridge/br_if.c:697) 
[ 218.747374][ T2694] do_set_master (net/core/rtnetlink.c:2948) 
[ 218.747672][ T2694] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 218.747983][ T2694] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 218.748294][ T2694] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 218.748592][ T2694] ? __dev_get_by_name (net/core/dev.c:865) 
[ 218.748906][ T2694] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 218.749206][ T2694] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 218.749512][ T2694] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 218.749810][ T2694] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 218.750122][ T2694] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 218.750433][ T2694] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 218.750751][ T2694] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.751071][ T2694] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 218.751370][ T2694] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.751673][ T2694] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.751980][ T2694] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 218.752283][ T2694] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.752588][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.752908][ T2694] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 218.753214][ T2694] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.753516][ T2694] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 218.753828][ T2694] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 218.754134][ T2694] ? 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) 
[ 218.754436][ T2694] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 218.754744][ T2694] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 218.755056][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.755363][ T2694] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 218.755668][ T2694] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 218.755977][ T2694] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 218.756284][ T2694] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 218.756586][ T2694] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 218.756888][ T2694] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 218.757283][ T2694] ___sys_sendmsg (net/socket.c:2670) 
[ 218.757588][ T2694] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 218.757906][ T2694] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 218.758210][ T2694] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 218.758507][ T2694] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 218.758809][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.759125][ T2694] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.759430][ T2694] __sys_sendmsg (net/socket.c:2700) 
[ 218.759733][ T2694] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 218.760061][ T2694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.760365][ T2694] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 218.760670][ T2694] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  218.761062][ T2694] RIP: 0033:0x7f2f7ce5b1e7
[ 218.761371][ T2694] 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)
[  218.762457][ T2694] RSP: 002b:00007ffeb0c02a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  218.762920][ T2694] RAX: ffffffffffffffda RBX: 00007ffeb0c03180 RCX: 00007f2f7ce5b1e7
[  218.763373][ T2694] RDX: 0000000000000000 RSI: 00007ffeb0c02ab0 RDI: 0000000000000005
[  218.763833][ T2694] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  218.764291][ T2694] R10: 00007f2f7cee9ac0 R11: 0000000000000246 R12: 00007ffeb0c031b8
[  218.764747][ T2694] R13: 00000000686e4f92 R14: 0000000000499600 R15: 00007ffeb0c02ba0
| [  237.306483][ T2867] ------------[ cut here ]------------
| [ 237.306790][ T2867] WARNING: CPU: 3 PID: 2867 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) 
| [  237.307399][ T2867] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  237.309970][ T2867] Tainted: [W]=WARN
[  237.310210][ T2867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 237.310587][ T2867] 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) 
[ 237.310926][ T2867] 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
[  237.312020][ T2867] RSP: 0018:ffffc90002a7f080 EFLAGS: 00010246
[  237.312409][ T2867] RAX: 0000000000000000 RBX: ffff88800d432000 RCX: 0000000000000001
[  237.312858][ T2867] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  237.313316][ T2867] RBP: ffffc90002a7f168 R08: 0000000000000000 R09: 0000000000000000
[  237.313770][ T2867] R10: ffffc90002a7f198 R11: ffffffffbcf8d1e0 R12: 1ffff9200054fe14
[  237.314233][ T2867] R13: 00000000000005dc R14: ffffc90002a7f198 R15: ffff88800d432f48
[  237.314682][ T2867] FS:  00007fadef863800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  237.315217][ T2867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  237.315598][ T2867] CR2: 000000000043d940 CR3: 0000000005017004 CR4: 0000000000772ef0
[  237.316067][ T2867] PKRU: 55555554
[  237.316293][ T2867] Call Trace:
[  237.316518][ T2867]  <TASK>
[ 237.316674][ T2867] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 237.316983][ T2867] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.317297][ T2867] netif_set_mtu (net/core/dev.c:9652) 
[ 237.317597][ T2867] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 237.317929][ T2867] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 237.318158][ T2867] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 237.318466][ T2867] br_add_if (net/bridge/br_if.c:697) 
[ 237.318704][ T2867] do_set_master (net/core/rtnetlink.c:2948) 
[ 237.319013][ T2867] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 237.319317][ T2867] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 237.319621][ T2867] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 237.319931][ T2867] ? __dev_get_by_name (net/core/dev.c:865) 
[ 237.320235][ T2867] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 237.320540][ T2867] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 237.320852][ T2867] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 237.321161][ T2867] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 237.321465][ T2867] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 237.321783][ T2867] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 237.322099][ T2867] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 237.322413][ T2867] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 237.322726][ T2867] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 237.323048][ T2867] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 237.323353][ T2867] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 237.323657][ T2867] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 237.323973][ T2867] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.324283][ T2867] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 237.324583][ T2867] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 237.324884][ T2867] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 237.325211][ T2867] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 237.325513][ T2867] ? 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) 
[ 237.325820][ T2867] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 237.326132][ T2867] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 237.326434][ T2867] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.326739][ T2867] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 237.327058][ T2867] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 237.327366][ T2867] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 237.327675][ T2867] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 237.327985][ T2867] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 237.328283][ T2867] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 237.328670][ T2867] ___sys_sendmsg (net/socket.c:2670) 
[ 237.328980][ T2867] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 237.329280][ T2867] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 237.329587][ T2867] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 237.329904][ T2867] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 237.330208][ T2867] ? __handle_mm_fault (mm/memory.c:6212) 
[ 237.330517][ T2867] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 237.330823][ T2867] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 237.331152][ T2867] __sys_sendmsg (net/socket.c:2700) 
[ 237.331454][ T2867] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 237.331762][ T2867] ? 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) 
[ 237.332093][ T2867] ? 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) 
[ 237.332396][ T2867] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 237.332700][ T2867] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 237.333016][ T2867] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  237.333388][ T2867] RIP: 0033:0x7fadefa301e7
[ 237.333697][ T2867] 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)
[  237.334788][ T2867] RSP: 002b:00007fffb9f86ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  237.335249][ T2867] RAX: ffffffffffffffda RBX: 00007fffb9f872e0 RCX: 00007fadefa301e7
[  237.335698][ T2867] RDX: 0000000000000000 RSI: 00007fffb9f86c10 RDI: 0000000000000005
[  237.336163][ T2867] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  237.336611][ T2867] R10: 00007fadefabeac0 R11: 0000000000000246 R12: 00007fffb9f87318
[  237.337071][ T2867] R13: 00000000686e4fa4 R14: 0000000000499600 R15: 00007fffb9f86d00
| [  241.288907][ T2897] ------------[ cut here ]------------
| [ 241.289213][ T2897] WARNING: CPU: 3 PID: 2897 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) 
| [  241.289806][ T2897] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  241.290922][ T2897] Tainted: [W]=WARN
[  241.291155][ T2897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 241.291534][ T2897] 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) 
[ 241.291849][ T2897] 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
[  241.293938][ T2897] RSP: 0018:ffffc90002bcf080 EFLAGS: 00010246
[  241.294328][ T2897] RAX: 0000000000000000 RBX: ffff88800b81a000 RCX: 0000000000000001
[  241.294776][ T2897] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  241.295244][ T2897] RBP: ffffc90002bcf168 R08: 0000000000000000 R09: 0000000000000000
[  241.295695][ T2897] R10: ffffc90002bcf198 R11: ffffffffbcf8d1e0 R12: 1ffff92000579e14
[  241.296159][ T2897] R13: 00000000000005dc R14: ffffc90002bcf198 R15: ffff88800b81af48
[  241.296614][ T2897] FS:  00007f93320bb800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  241.297145][ T2897] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  241.297526][ T2897] CR2: 000000000043d940 CR3: 000000000fd70001 CR4: 0000000000772ef0
[  241.297985][ T2897] PKRU: 55555554
[  241.298223][ T2897] Call Trace:
[  241.298502][ T2897]  <TASK>
[ 241.298659][ T2897] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 241.298985][ T2897] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.299304][ T2897] netif_set_mtu (net/core/dev.c:9652) 
[ 241.299605][ T2897] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 241.299939][ T2897] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 241.300169][ T2897] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 241.300475][ T2897] br_add_if (net/bridge/br_if.c:697) 
[ 241.300725][ T2897] do_set_master (net/core/rtnetlink.c:2948) 
[ 241.301062][ T2897] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 241.301369][ T2897] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 241.301674][ T2897] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 241.301981][ T2897] ? __dev_get_by_name (net/core/dev.c:865) 
[ 241.302283][ T2897] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 241.302584][ T2897] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 241.302913][ T2897] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 241.303219][ T2897] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 241.303527][ T2897] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 241.303863][ T2897] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 241.304182][ T2897] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 241.304496][ T2897] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 241.304795][ T2897] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 241.305112][ T2897] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 241.305417][ T2897] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 241.305722][ T2897] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 241.306037][ T2897] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.306344][ T2897] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 241.306645][ T2897] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 241.306968][ T2897] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 241.307283][ T2897] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 241.307586][ T2897] ? 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) 
[ 241.307906][ T2897] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 241.308216][ T2897] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 241.308516][ T2897] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.308822][ T2897] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 241.309136][ T2897] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 241.309438][ T2897] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 241.309751][ T2897] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 241.310065][ T2897] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 241.310365][ T2897] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 241.310755][ T2897] ___sys_sendmsg (net/socket.c:2670) 
[ 241.311079][ T2897] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 241.311382][ T2897] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 241.311685][ T2897] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 241.312004][ T2897] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 241.312310][ T2897] ? __handle_mm_fault (mm/memory.c:6212) 
[ 241.312612][ T2897] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 241.312926][ T2897] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 241.313248][ T2897] __sys_sendmsg (net/socket.c:2700) 
[ 241.313549][ T2897] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 241.313849][ T2897] ? 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) 
[ 241.314172][ T2897] ? 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) 
[ 241.314478][ T2897] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 241.314784][ T2897] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 241.315106][ T2897] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  241.315479][ T2897] RIP: 0033:0x7f93322881e7
[ 241.315788][ T2897] 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)
[  241.316874][ T2897] RSP: 002b:00007ffda637a898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  241.317336][ T2897] RAX: ffffffffffffffda RBX: 00007ffda637afd0 RCX: 00007f93322881e7
[  241.317785][ T2897] RDX: 0000000000000000 RSI: 00007ffda637a900 RDI: 0000000000000005
[  241.318249][ T2897] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  241.318699][ T2897] R10: 00007f9332316ac0 R11: 0000000000000246 R12: 00007ffda637b008
[  241.319165][ T2897] R13: 00000000686e4fa8 R14: 0000000000499600 R15: 00007ffda637a9f0
| [  248.132131][ T2963] ------------[ cut here ]------------
| [ 248.132458][ T2963] WARNING: CPU: 0 PID: 2963 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  248.133090][ T2963] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  248.134249][ T2963] Tainted: [W]=WARN
[  248.134479][ T2963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 248.134857][ T2963] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 248.136265][ T2963] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  248.137355][ T2963] RSP: 0018:ffffc90002e9f080 EFLAGS: 00010246
[  248.137738][ T2963] RAX: 0000000000000000 RBX: ffff88800a252000 RCX: 0000000000000001
[  248.138204][ T2963] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  248.138661][ T2963] RBP: ffffc90002e9f168 R08: 0000000000000000 R09: 0000000000000000
[  248.139122][ T2963] R10: ffffc90002e9f198 R11: ffffffffbcf8d1e0 R12: 1ffff920005d3e14
[  248.139571][ T2963] R13: 00000000000005dc R14: ffffc90002e9f198 R15: ffff88800a252f48
[  248.140046][ T2963] FS:  00007ff945d2b800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  248.140591][ T2963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  248.140988][ T2963] CR2: 00007ff945f16ba0 CR3: 0000000002182003 CR4: 0000000000772ef0
[  248.141445][ T2963] PKRU: 55555554
[  248.141670][ T2963] Call Trace:
[  248.141913][ T2963]  <TASK>
[ 248.142070][ T2963] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 248.142373][ T2963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.142687][ T2963] netif_set_mtu (net/core/dev.c:9652) 
[ 248.142996][ T2963] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 248.143319][ T2963] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 248.143550][ T2963] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 248.143858][ T2963] br_add_if (net/bridge/br_if.c:697) 
[ 248.144105][ T2963] do_set_master (net/core/rtnetlink.c:2948) 
[ 248.144407][ T2963] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 248.144711][ T2963] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 248.145038][ T2963] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 248.145359][ T2963] ? __dev_get_by_name (net/core/dev.c:865) 
[ 248.145676][ T2963] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 248.146001][ T2963] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 248.146314][ T2963] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 248.146612][ T2963] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 248.146928][ T2963] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 248.147239][ T2963] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 248.147545][ T2963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.147865][ T2963] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 248.148170][ T2963] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.148474][ T2963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.148774][ T2963] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 248.149083][ T2963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.149389][ T2963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.149694][ T2963] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 248.150010][ T2963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.150324][ T2963] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 248.150635][ T2963] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 248.150952][ T2963] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 248.151255][ T2963] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 248.151557][ T2963] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 248.151862][ T2963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.152175][ T2963] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 248.152482][ T2963] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 248.152784][ T2963] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 248.153099][ T2963] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 248.153402][ T2963] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 248.153699][ T2963] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 248.154103][ T2963] ___sys_sendmsg (net/socket.c:2670) 
[ 248.154408][ T2963] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 248.154717][ T2963] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.155029][ T2963] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.155328][ T2963] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 248.155633][ T2963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.155951][ T2963] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.156256][ T2963] __sys_sendmsg (net/socket.c:2700) 
[ 248.156557][ T2963] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 248.156875][ T2963] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.157189][ T2963] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 248.157494][ T2963] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  248.157865][ T2963] RIP: 0033:0x7ff945ef81e7
[ 248.158189][ T2963] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  248.159277][ T2963] RSP: 002b:00007ffc9cb70628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  248.159730][ T2963] RAX: ffffffffffffffda RBX: 00007ffc9cb70d60 RCX: 00007ff945ef81e7
[  248.160187][ T2963] RDX: 0000000000000000 RSI: 00007ffc9cb70690 RDI: 0000000000000005
[  248.160637][ T2963] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  248.161106][ T2963] R10: 00007ff945f86ac0 R11: 0000000000000246 R12: 00007ffc9cb70d98
[  248.161554][ T2963] R13: 00000000686e4faf R14: 0000000000499600 R15: 00007ffc9cb70780
| [  252.007997][ T2993] ------------[ cut here ]------------
| [ 252.008359][ T2993] WARNING: CPU: 2 PID: 2993 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  252.009022][ T2993] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  252.010206][ T2993] Tainted: [W]=WARN
[  252.010465][ T2993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 252.010884][ T2993] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 252.011233][ T2993] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  252.012411][ T2993] RSP: 0018:ffffc90002fcf080 EFLAGS: 00010246
[  252.012828][ T2993] RAX: 0000000000000000 RBX: ffff88800e262000 RCX: 0000000000000001
[  252.013325][ T2993] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  252.013811][ T2993] RBP: ffffc90002fcf168 R08: 0000000000000000 R09: 0000000000000000
[  252.014312][ T2993] R10: ffffc90002fcf198 R11: ffffffffbcf8d1e0 R12: 1ffff920005f9e14
[  252.014806][ T2993] R13: 00000000000005dc R14: ffffc90002fcf198 R15: ffff88800e262f48
[  252.015303][ T2993] FS:  00007f6986470800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  252.015873][ T2993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  252.016306][ T2993] CR2: 00007f6986570130 CR3: 000000000bcdc003 CR4: 0000000000772ef0
[  252.016808][ T2993] PKRU: 55555554
[  252.017071][ T2993] Call Trace:
[  252.017319][ T2993]  <TASK>
[ 252.017498][ T2993] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 252.017828][ T2993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.018184][ T2993] netif_set_mtu (net/core/dev.c:9652) 
[ 252.018529][ T2993] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 252.018875][ T2993] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 252.019141][ T2993] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 252.019478][ T2993] br_add_if (net/bridge/br_if.c:697) 
[ 252.019743][ T2993] do_set_master (net/core/rtnetlink.c:2948) 
[ 252.020090][ T2993] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 252.020429][ T2993] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 252.020771][ T2993] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 252.021113][ T2993] ? __dev_get_by_name (net/core/dev.c:865) 
[ 252.021445][ T2993] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 252.021783][ T2993] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 252.022129][ T2993] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 252.022458][ T2993] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 252.022792][ T2993] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 252.023144][ T2993] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 252.023480][ T2993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.023821][ T2993] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 252.024166][ T2993] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 252.024508][ T2993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 252.024839][ T2993] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 252.025180][ T2993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.025515][ T2993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.025851][ T2993] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 252.026192][ T2993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 252.026527][ T2993] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 252.026875][ T2993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 252.027220][ T2993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 252.027555][ T2993] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 252.027888][ T2993] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 252.028237][ T2993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 252.028572][ T2993] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 252.028914][ T2993] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 252.029251][ T2993] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 252.029587][ T2993] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 252.029930][ T2993] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 252.030259][ T2993] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 252.030683][ T2993] ___sys_sendmsg (net/socket.c:2670) 
[ 252.031044][ T2993] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 252.031374][ T2993] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 252.031712][ T2993] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 252.032063][ T2993] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 252.032399][ T2993] ? __handle_mm_fault (mm/memory.c:6212) 
[ 252.032730][ T2993] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 252.033067][ T2993] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 252.033414][ T2993] __sys_sendmsg (net/socket.c:2700) 
[ 252.033746][ T2993] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 252.034096][ T2993] ? 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) 
[ 252.034436][ T2993] ? 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) 
[ 252.034766][ T2993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 252.035107][ T2993] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 252.035434][ T2993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  252.035838][ T2993] RIP: 0033:0x7f698663d1e7
[ 252.036192][ T2993] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  252.037354][ T2993] RSP: 002b:00007fff8e169088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  252.037844][ T2993] RAX: ffffffffffffffda RBX: 00007fff8e1697c0 RCX: 00007f698663d1e7
[  252.038340][ T2993] RDX: 0000000000000000 RSI: 00007fff8e1690f0 RDI: 0000000000000005
[  252.038831][ T2993] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  252.039326][ T2993] R10: 00007f69866cbac0 R11: 0000000000000246 R12: 00007fff8e1697f8
[  252.039810][ T2993] R13: 00000000686e4fb3 R14: 0000000000499600 R15: 00007fff8e1691e0
| [  270.889237][ T3165] ------------[ cut here ]------------
| [ 270.889561][ T3165] WARNING: CPU: 2 PID: 3165 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) 
| [  270.890180][ T3165] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  270.891313][ T3165] Tainted: [W]=WARN
[  270.891555][ T3165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 270.892792][ T3165] 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) 
[ 270.893131][ T3165] 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
[  270.894229][ T3165] RSP: 0018:ffffc900035cf080 EFLAGS: 00010246
[  270.894622][ T3165] RAX: 0000000000000000 RBX: ffff88800f3e2000 RCX: 0000000000000001
[  270.895108][ T3165] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  270.895580][ T3165] RBP: ffffc900035cf168 R08: 0000000000000000 R09: 0000000000000000
[  270.896058][ T3165] R10: ffffc900035cf198 R11: ffffffffbcf8d1e0 R12: 1ffff920006b9e14
[  270.896530][ T3165] R13: 00000000000005dc R14: ffffc900035cf198 R15: ffff88800f3e2f48
[  270.897002][ T3165] FS:  00007ff3f5e03800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  270.897540][ T3165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  270.897940][ T3165] CR2: 000000000043d940 CR3: 0000000011930003 CR4: 0000000000772ef0
[  270.898408][ T3165] PKRU: 55555554
[  270.898649][ T3165] Call Trace:
[  270.898885][ T3165]  <TASK>
[ 270.899074][ T3165] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 270.899393][ T3165] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 270.899719][ T3165] netif_set_mtu (net/core/dev.c:9652) 
[ 270.900042][ T3165] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 270.900372][ T3165] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 270.900613][ T3165] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 270.900968][ T3165] br_add_if (net/bridge/br_if.c:697) 
[ 270.901219][ T3165] do_set_master (net/core/rtnetlink.c:2948) 
[ 270.901530][ T3165] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 270.901846][ T3165] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 270.902171][ T3165] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 270.902483][ T3165] ? __dev_get_by_name (net/core/dev.c:865) 
[ 270.902796][ T3165] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 270.903135][ T3165] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 270.903467][ T3165] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 270.903778][ T3165] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 270.904105][ T3165] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 270.904434][ T3165] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 270.904754][ T3165] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 270.905092][ T3165] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 270.905401][ T3165] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 270.905728][ T3165] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 270.906049][ T3165] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 270.906367][ T3165] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 270.906683][ T3165] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 270.907022][ T3165] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 270.907337][ T3165] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 270.907655][ T3165] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 270.907996][ T3165] ? __pfx_rtnetlink_rcv (net/core/rtnetlink.c:6972) 
[ 270.908316][ T3165] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 270.908632][ T3165] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 270.908956][ T3165] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 270.909273][ T3165] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 270.909591][ T3165] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 270.909914][ T3165] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 270.910239][ T3165] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 270.910556][ T3165] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 270.910873][ T3165] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 270.911292][ T3165] ___sys_sendmsg (net/socket.c:2670) 
[ 270.911612][ T3165] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 270.911934][ T3165] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 270.912252][ T3165] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 270.912571][ T3165] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 270.912888][ T3165] ? __handle_mm_fault (mm/memory.c:6212) 
[ 270.913210][ T3165] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 270.913520][ T3165] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 270.913852][ T3165] __sys_sendmsg (net/socket.c:2700) 
[ 270.914177][ T3165] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 270.914491][ T3165] ? 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) 
[ 270.914817][ T3165] ? 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) 
[ 270.915156][ T3165] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 270.915566][ T3165] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 270.915885][ T3165] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  270.916289][ T3165] RIP: 0033:0x7ff3f5fd01e7
[ 270.916611][ T3165] 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)
[  270.917709][ T3165] RSP: 002b:00007fffcfe85bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  270.918189][ T3165] RAX: ffffffffffffffda RBX: 00007fffcfe86300 RCX: 00007ff3f5fd01e7
[  270.918652][ T3165] RDX: 0000000000000000 RSI: 00007fffcfe85c30 RDI: 0000000000000005
[  270.919136][ T3165] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  270.919599][ T3165] R10: 00007ff3f605eac0 R11: 0000000000000246 R12: 00007fffcfe86338
[  270.920071][ T3165] R13: 00000000686e4fc6 R14: 0000000000499600 R15: 00007fffcfe85d20
| [  274.936671][ T3195] ------------[ cut here ]------------
| [ 274.937015][ T3195] WARNING: CPU: 2 PID: 3195 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) 
| [  274.937624][ T3195] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  274.938762][ T3195] Tainted: [W]=WARN
[  274.939016][ T3195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 274.939408][ T3195] 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) 
[ 274.939730][ T3195] 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
[  274.940836][ T3195] RSP: 0018:ffffc900036ff080 EFLAGS: 00010246
[  274.941246][ T3195] RAX: 0000000000000000 RBX: ffff88800a252000 RCX: 0000000000000001
[  274.941711][ T3195] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  274.942197][ T3195] RBP: ffffc900036ff168 R08: 0000000000000000 R09: 0000000000000000
[  274.942662][ T3195] R10: ffffc900036ff198 R11: ffffffffbcf8d1e0 R12: 1ffff920006dfe14
[  274.943140][ T3195] R13: 00000000000005dc R14: ffffc900036ff198 R15: ffff88800a252f48
[  274.943610][ T3195] FS:  00007f5990c9c800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  274.944169][ T3195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  274.944570][ T3195] CR2: 000000000043d940 CR3: 00000000120c3002 CR4: 0000000000772ef0
[  274.945053][ T3195] PKRU: 55555554
[  274.945294][ T3195] Call Trace:
[  274.945531][ T3195]  <TASK>
[ 274.945700][ T3195] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 274.946035][ T3195] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 274.946370][ T3195] netif_set_mtu (net/core/dev.c:9652) 
[ 274.946683][ T3195] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 274.947022][ T3195] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 274.947267][ T3195] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 274.947593][ T3195] br_add_if (net/bridge/br_if.c:697) 
[ 274.947847][ T3195] do_set_master (net/core/rtnetlink.c:2948) 
[ 274.948167][ T3195] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 274.948487][ T3195] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 274.948805][ T3195] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 274.949127][ T3195] ? __dev_get_by_name (net/core/dev.c:865) 
[ 274.949441][ T3195] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 274.949762][ T3195] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 274.950102][ T3195] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 274.950418][ T3195] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 274.950736][ T3195] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 274.951084][ T3195] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 274.951403][ T3195] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 274.951729][ T3195] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 274.952050][ T3195] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 274.952372][ T3195] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 274.952684][ T3195] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 274.953009][ T3195] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 274.953327][ T3195] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 274.953646][ T3195] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 274.953980][ T3195] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 274.954296][ T3195] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 274.954626][ T3195] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 274.954947][ T3195] ? 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) 
[ 274.955263][ T3195] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 274.955577][ T3195] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 274.955888][ T3195] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 274.956219][ T3195] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 274.956536][ T3195] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 274.956853][ T3195] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 274.957187][ T3195] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 274.957502][ T3195] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 274.957814][ T3195] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 274.958230][ T3195] ___sys_sendmsg (net/socket.c:2670) 
[ 274.958552][ T3195] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 274.958863][ T3195] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 274.959194][ T3195] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 274.959505][ T3195] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 274.959822][ T3195] ? __handle_mm_fault (mm/memory.c:6212) 
[ 274.960142][ T3195] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 274.960454][ T3195] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 274.960790][ T3195] __sys_sendmsg (net/socket.c:2700) 
[ 274.961123][ T3195] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 274.961444][ T3195] ? 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) 
[ 274.961766][ T3195] ? 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) 
[ 274.962098][ T3195] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 274.962420][ T3195] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 274.962733][ T3195] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  274.963129][ T3195] RIP: 0033:0x7f5990e691e7
[ 274.963452][ T3195] 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)
[  274.964559][ T3195] RSP: 002b:00007ffef98dff48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  274.965039][ T3195] RAX: ffffffffffffffda RBX: 00007ffef98e0680 RCX: 00007f5990e691e7
[  274.965505][ T3195] RDX: 0000000000000000 RSI: 00007ffef98dffb0 RDI: 0000000000000005
[  274.965983][ T3195] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  274.966445][ T3195] R10: 00007f5990ef7ac0 R11: 0000000000000246 R12: 00007ffef98e06b8
[  274.966917][ T3195] R13: 00000000686e4fca R14: 0000000000499600 R15: 00007ffef98e00a0
| [  281.880059][ T3260] ------------[ cut here ]------------
| [ 281.880363][ T3260] WARNING: CPU: 3 PID: 3260 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) 
| [  281.880994][ T3260] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  281.882114][ T3260] Tainted: [W]=WARN
[  281.882347][ T3260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 281.882726][ T3260] 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) 
[ 281.883065][ T3260] 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
[  281.884184][ T3260] RSP: 0018:ffffc9000398f080 EFLAGS: 00010246
[  281.884566][ T3260] RAX: 0000000000000000 RBX: ffff88800e25a000 RCX: 0000000000000001
[  281.885042][ T3260] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  281.885492][ T3260] RBP: ffffc9000398f168 R08: 0000000000000000 R09: 0000000000000000
[  281.885990][ T3260] R10: ffffc9000398f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000731e14
[  281.886451][ T3260] R13: 00000000000005dc R14: ffffc9000398f198 R15: ffff88800e25af48
[  281.886927][ T3260] FS:  00007f44cad2d800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  281.887456][ T3260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  281.887847][ T3260] CR2: 00007f44caf18ba0 CR3: 0000000006775001 CR4: 0000000000772ef0
[  281.888314][ T3260] PKRU: 55555554
[  281.888539][ T3260] Call Trace:
[  281.888773][ T3260]  <TASK>
[ 281.888939][ T3260] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 281.889243][ T3260] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 281.889559][ T3260] netif_set_mtu (net/core/dev.c:9652) 
[ 281.889888][ T3260] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 281.890231][ T3260] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 281.890464][ T3260] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 281.890798][ T3260] br_add_if (net/bridge/br_if.c:697) 
[ 281.891250][ T3260] do_set_master (net/core/rtnetlink.c:2948) 
[ 281.891795][ T3260] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 281.892162][ T3260] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 281.892467][ T3260] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 281.892776][ T3260] ? __dev_get_by_name (net/core/dev.c:865) 
[ 281.893088][ T3260] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 281.893395][ T3260] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 281.893702][ T3260] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 281.894052][ T3260] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 281.894365][ T3260] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 281.894678][ T3260] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 281.895007][ T3260] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 281.895322][ T3260] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 281.895628][ T3260] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 281.895956][ T3260] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 281.896258][ T3260] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 281.896562][ T3260] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 281.896883][ T3260] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 281.897200][ T3260] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 281.897502][ T3260] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 281.897835][ T3260] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 281.898179][ T3260] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 281.898483][ T3260] ? 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) 
[ 281.898794][ T3260] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 281.899110][ T3260] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 281.899410][ T3260] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 281.899715][ T3260] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 281.900045][ T3260] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 281.900356][ T3260] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 281.900665][ T3260] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 281.900999][ T3260] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 281.901302][ T3260] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 281.901690][ T3260] ___sys_sendmsg (net/socket.c:2670) 
[ 281.902039][ T3260] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 281.902355][ T3260] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 281.902662][ T3260] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 281.902987][ T3260] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 281.903296][ T3260] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 281.903605][ T3260] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 281.903931][ T3260] __sys_sendmsg (net/socket.c:2700) 
[ 281.904234][ T3260] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 281.904550][ T3260] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 281.904872][ T3260] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 281.905186][ T3260] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  281.905562][ T3260] RIP: 0033:0x7f44caefa1e7
[ 281.905926][ T3260] 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)
[  281.907025][ T3260] RSP: 002b:00007ffdffde0718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  281.907486][ T3260] RAX: ffffffffffffffda RBX: 00007ffdffde0e50 RCX: 00007f44caefa1e7
[  281.907962][ T3260] RDX: 0000000000000000 RSI: 00007ffdffde0780 RDI: 0000000000000005
[  281.908412][ T3260] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  281.908874][ T3260] R10: 00007f44caf88ac0 R11: 0000000000000246 R12: 00007ffdffde0e88
[  281.909342][ T3260] R13: 00000000686e4fd1 R14: 0000000000499600 R15: 00007ffdffde0870
| [  285.968574][ T3290] ------------[ cut here ]------------
| [ 285.968926][ T3290] WARNING: CPU: 3 PID: 3290 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) 
| [  285.969530][ T3290] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  285.970637][ T3290] Tainted: [W]=WARN
[  285.970909][ T3290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 285.971287][ T3290] 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) 
[ 285.971595][ T3290] 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
[  285.972736][ T3290] RSP: 0018:ffffc90003b1f080 EFLAGS: 00010246
[  285.973159][ T3290] RAX: 0000000000000000 RBX: ffff888005a0a000 RCX: 0000000000000001
[  285.973616][ T3290] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  285.974084][ T3290] RBP: ffffc90003b1f168 R08: 0000000000000000 R09: 0000000000000000
[  285.974549][ T3290] R10: ffffc90003b1f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000763e14
[  285.975060][ T3290] R13: 00000000000005dc R14: ffffc90003b1f198 R15: ffff888005a0af48
[  285.975511][ T3290] FS:  00007f4f8f0ed800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  285.976059][ T3290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  285.976439][ T3290] CR2: 00007f4f8f2d8ba0 CR3: 0000000015697003 CR4: 0000000000772ef0
[  285.976933][ T3290] PKRU: 55555554
[  285.977167][ T3290] Call Trace:
[  285.977392][ T3290]  <TASK>
[ 285.977549][ T3290] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 285.977864][ T3290] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 285.978191][ T3290] netif_set_mtu (net/core/dev.c:9652) 
[ 285.978493][ T3290] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 285.978831][ T3290] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 285.979076][ T3290] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 285.979384][ T3290] br_add_if (net/bridge/br_if.c:697) 
[ 285.979624][ T3290] do_set_master (net/core/rtnetlink.c:2948) 
[ 285.979944][ T3290] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 285.980251][ T3290] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 285.980555][ T3290] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 285.980875][ T3290] ? __dev_get_by_name (net/core/dev.c:865) 
[ 285.981233][ T3290] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 285.981536][ T3290] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 285.981856][ T3290] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 285.982169][ T3290] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 285.982479][ T3290] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 285.982805][ T3290] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 285.983124][ T3290] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 285.983439][ T3290] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 285.983757][ T3290] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 285.984142][ T3290] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 285.984447][ T3290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 285.984753][ T3290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 285.985078][ T3290] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 285.985390][ T3290] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 285.985692][ T3290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 285.986012][ T3290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 285.986325][ T3290] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 285.986625][ T3290] ? 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) 
[ 285.986935][ T3290] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 285.987269][ T3290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 285.987573][ T3290] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 285.987879][ T3290] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 285.988201][ T3290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 285.988503][ T3290] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 285.988817][ T3290] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 285.989138][ T3290] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 285.989438][ T3290] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 285.989825][ T3290] ___sys_sendmsg (net/socket.c:2670) 
[ 285.990137][ T3290] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 285.990447][ T3290] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 285.990752][ T3290] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 285.991068][ T3290] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 285.991373][ T3290] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 285.991684][ T3290] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 285.991997][ T3290] __sys_sendmsg (net/socket.c:2700) 
[ 285.992298][ T3290] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 285.992613][ T3290] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 285.992939][ T3290] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 285.993242][ T3290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  285.993614][ T3290] RIP: 0033:0x7f4f8f2ba1e7
[ 285.993935][ T3290] 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)
[  285.995018][ T3290] RSP: 002b:00007ffdb7384238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  285.995472][ T3290] RAX: ffffffffffffffda RBX: 00007ffdb7384970 RCX: 00007f4f8f2ba1e7
[  285.995928][ T3290] RDX: 0000000000000000 RSI: 00007ffdb73842a0 RDI: 0000000000000005
[  285.996378][ T3290] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  285.996829][ T3290] R10: 00007f4f8f348ac0 R11: 0000000000000246 R12: 00007ffdb73849a8
[  285.997298][ T3290] R13: 00000000686e4fd5 R14: 0000000000499600 R15: 00007ffdb7384390
| [  304.663757][ T3462] ------------[ cut here ]------------
| [ 304.664120][ T3462] WARNING: CPU: 2 PID: 3462 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) 
| [  304.664744][ T3462] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  304.665871][ T3462] Tainted: [W]=WARN
[  304.666128][ T3462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 304.666517][ T3462] 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) 
[ 304.666839][ T3462] 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
[  304.667941][ T3462] RSP: 0018:ffffc9000411f080 EFLAGS: 00010246
[  304.668339][ T3462] RAX: 0000000000000000 RBX: ffff888005442000 RCX: 0000000000000001
[  304.668801][ T3462] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  304.669273][ T3462] RBP: ffffc9000411f168 R08: 0000000000000000 R09: 0000000000000000
[  304.669739][ T3462] R10: ffffc9000411f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000823e14
[  304.670222][ T3462] R13: 00000000000005dc R14: ffffc9000411f198 R15: ffff888005442f48
[  304.670688][ T3462] FS:  00007fe8ba15e800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  304.671248][ T3462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  304.671641][ T3462] CR2: 000000000043d940 CR3: 0000000012121005 CR4: 0000000000772ef0
[  304.672126][ T3462] PKRU: 55555554
[  304.672366][ T3462] Call Trace:
[  304.672601][ T3462]  <TASK>
[ 304.672777][ T3462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 304.673102][ T3462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 304.673438][ T3462] netif_set_mtu (net/core/dev.c:9652) 
[ 304.673751][ T3462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 304.674093][ T3462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 304.674345][ T3462] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 304.674666][ T3462] br_add_if (net/bridge/br_if.c:697) 
[ 304.674946][ T3462] do_set_master (net/core/rtnetlink.c:2948) 
[ 304.675260][ T3462] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 304.675576][ T3462] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 304.675905][ T3462] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 304.676217][ T3462] ? __dev_get_by_name (net/core/dev.c:865) 
[ 304.676533][ T3462] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 304.676852][ T3462] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 304.677181][ T3462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 304.677494][ T3462] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 304.677814][ T3462] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 304.678147][ T3462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 304.678468][ T3462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 304.678793][ T3462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 304.679123][ T3462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 304.679438][ T3462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 304.679755][ T3462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 304.680078][ T3462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 304.680395][ T3462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 304.680711][ T3462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 304.681044][ T3462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 304.681359][ T3462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 304.681691][ T3462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 304.682012][ T3462] ? 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) 
[ 304.682327][ T3462] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 304.682649][ T3462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 304.682975][ T3462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 304.683296][ T3462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 304.683615][ T3462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 304.683946][ T3462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 304.684280][ T3462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 304.684599][ T3462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 304.684923][ T3462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 304.685321][ T3462] ___sys_sendmsg (net/socket.c:2670) 
[ 304.685641][ T3462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 304.685967][ T3462] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 304.686297][ T3462] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 304.686608][ T3462] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 304.686939][ T3462] ? __handle_mm_fault (mm/memory.c:6212) 
[ 304.687252][ T3462] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 304.687564][ T3462] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 304.687911][ T3462] __sys_sendmsg (net/socket.c:2700) 
[ 304.688237][ T3462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 304.688551][ T3462] ? 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) 
[ 304.688879][ T3462] ? 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) 
[ 304.689205][ T3462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 304.689526][ T3462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 304.689842][ T3462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  304.690241][ T3462] RIP: 0033:0x7fe8ba32b1e7
[ 304.690569][ T3462] 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)
[  304.691689][ T3462] RSP: 002b:00007ffcb969e828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  304.692168][ T3462] RAX: ffffffffffffffda RBX: 00007ffcb969ef60 RCX: 00007fe8ba32b1e7
[  304.692638][ T3462] RDX: 0000000000000000 RSI: 00007ffcb969e890 RDI: 0000000000000005
[  304.693111][ T3462] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  304.693578][ T3462] R10: 00007fe8ba3b9ac0 R11: 0000000000000246 R12: 00007ffcb969ef98
[  304.694060][ T3462] R13: 00000000686e4fe8 R14: 0000000000499600 R15: 00007ffcb969e980
| [  308.827804][ T3492] ------------[ cut here ]------------
| [ 308.828132][ T3492] WARNING: CPU: 3 PID: 3492 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) 
| [  308.828732][ T3492] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  308.829847][ T3492] Tainted: [W]=WARN
[  308.830083][ T3492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 308.830468][ T3492] 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) 
[ 308.830785][ T3492] 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
[  308.831888][ T3492] RSP: 0018:ffffc9000427f080 EFLAGS: 00010246
[  308.832285][ T3492] RAX: 0000000000000000 RBX: ffff88800e25a000 RCX: 0000000000000001
[  308.832743][ T3492] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  308.833226][ T3492] RBP: ffffc9000427f168 R08: 0000000000000000 R09: 0000000000000000
[  308.833687][ T3492] R10: ffffc9000427f198 R11: ffffffffbcf8d1e0 R12: 1ffff9200084fe14
[  308.834409][ T3492] R13: 00000000000005dc R14: ffffc9000427f198 R15: ffff88800e25af48
[  308.834858][ T3492] FS:  00007f90030a2800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  308.835399][ T3492] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  308.835779][ T3492] CR2: 000000000043d940 CR3: 0000000011754001 CR4: 0000000000772ef0
[  308.836240][ T3492] PKRU: 55555554
[  308.836467][ T3492] Call Trace:
[  308.836694][ T3492]  <TASK>
[ 308.836851][ T3492] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 308.837176][ T3492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 308.837502][ T3492] netif_set_mtu (net/core/dev.c:9652) 
[ 308.837813][ T3492] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 308.838139][ T3492] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 308.838370][ T3492] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 308.838674][ T3492] br_add_if (net/bridge/br_if.c:697) 
[ 308.838922][ T3492] do_set_master (net/core/rtnetlink.c:2948) 
[ 308.839223][ T3492] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 308.839526][ T3492] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 308.839835][ T3492] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 308.840142][ T3492] ? __dev_get_by_name (net/core/dev.c:865) 
[ 308.840445][ T3492] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 308.840746][ T3492] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 308.841083][ T3492] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 308.841387][ T3492] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 308.841693][ T3492] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 308.842017][ T3492] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 308.842325][ T3492] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 308.842643][ T3492] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 308.842948][ T3492] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 308.843253][ T3492] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 308.843554][ T3492] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 308.843856][ T3492] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 308.844169][ T3492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 308.844483][ T3492] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 308.844783][ T3492] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 308.845105][ T3492] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 308.845422][ T3492] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 308.845723][ T3492] ? 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) 
[ 308.846036][ T3492] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 308.846339][ T3492] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 308.846644][ T3492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 308.846960][ T3492] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 308.847265][ T3492] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 308.847565][ T3492] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 308.847874][ T3492] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 308.848187][ T3492] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 308.848490][ T3492] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 308.848883][ T3492] ___sys_sendmsg (net/socket.c:2670) 
[ 308.849208][ T3492] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 308.849513][ T3492] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 308.849819][ T3492] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 308.850127][ T3492] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 308.850433][ T3492] ? __handle_mm_fault (mm/memory.c:6212) 
[ 308.850732][ T3492] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 308.851054][ T3492] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 308.851376][ T3492] __sys_sendmsg (net/socket.c:2700) 
[ 308.851677][ T3492] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 308.851987][ T3492] ? 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) 
[ 308.852295][ T3492] ? 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) 
[ 308.852597][ T3492] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 308.852922][ T3492] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 308.853237][ T3492] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  308.853609][ T3492] RIP: 0033:0x7f900326f1e7
[ 308.853929][ T3492] 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)
[  308.855012][ T3492] RSP: 002b:00007fffd49ace78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  308.855473][ T3492] RAX: ffffffffffffffda RBX: 00007fffd49ad5b0 RCX: 00007f900326f1e7
[  308.855931][ T3492] RDX: 0000000000000000 RSI: 00007fffd49acee0 RDI: 0000000000000005
[  308.856382][ T3492] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  308.856832][ T3492] R10: 00007f90032fdac0 R11: 0000000000000246 R12: 00007fffd49ad5e8
[  308.857309][ T3492] R13: 00000000686e4fec R14: 0000000000499600 R15: 00007fffd49acfd0
| [  315.846744][ T3558] ------------[ cut here ]------------
| [ 315.847077][ T3558] WARNING: CPU: 3 PID: 3558 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) 
| [  315.847675][ T3558] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  315.848765][ T3558] Tainted: [W]=WARN
[  315.849007][ T3558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 315.849387][ T3558] 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) 
[ 315.849695][ T3558] 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
[  315.850784][ T3558] RSP: 0018:ffffc9000458f080 EFLAGS: 00010246
[  315.851192][ T3558] RAX: 0000000000000000 RBX: ffff88800ae62000 RCX: 0000000000000001
[  315.851646][ T3558] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  315.852514][ T3558] RBP: ffffc9000458f168 R08: 0000000000000000 R09: 0000000000000000
[  315.852976][ T3558] R10: ffffc9000458f198 R11: ffffffffbcf8d1e0 R12: 1ffff920008b1e14
[  315.853436][ T3558] R13: 00000000000005dc R14: ffffc9000458f198 R15: ffff88800ae62f48
[  315.853890][ T3558] FS:  00007fb1fe295800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  315.854429][ T3558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  315.854809][ T3558] CR2: 00007fb1fe480ba0 CR3: 000000000627e005 CR4: 0000000000772ef0
[  315.855287][ T3558] PKRU: 55555554
[  315.855515][ T3558] Call Trace:
[  315.855741][ T3558]  <TASK>
[ 315.855909][ T3558] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 315.856212][ T3558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.856528][ T3558] netif_set_mtu (net/core/dev.c:9652) 
[ 315.856831][ T3558] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 315.857156][ T3558] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 315.857388][ T3558] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 315.857700][ T3558] br_add_if (net/bridge/br_if.c:697) 
[ 315.857947][ T3558] do_set_master (net/core/rtnetlink.c:2948) 
[ 315.858251][ T3558] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 315.858558][ T3558] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 315.858866][ T3558] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 315.859183][ T3558] ? __dev_get_by_name (net/core/dev.c:865) 
[ 315.859495][ T3558] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 315.859808][ T3558] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 315.860127][ T3558] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 315.860426][ T3558] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 315.860733][ T3558] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 315.861063][ T3558] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 315.861370][ T3558] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 315.861688][ T3558] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 315.861999][ T3558] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 315.862311][ T3558] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 315.862620][ T3558] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 315.862942][ T3558] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 315.863261][ T3558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.863568][ T3558] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 315.863873][ T3558] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 315.864187][ T3558] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 315.864507][ T3558] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 315.864808][ T3558] ? 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) 
[ 315.865125][ T3558] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 315.865430][ T3558] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 315.865732][ T3558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.866048][ T3558] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 315.866364][ T3558] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 315.866676][ T3558] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 315.867004][ T3558] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 315.867311][ T3558] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 315.867613][ T3558] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 315.868010][ T3558] ___sys_sendmsg (net/socket.c:2670) 
[ 315.868318][ T3558] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 315.868624][ T3558] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 315.868945][ T3558] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 315.869248][ T3558] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 315.869563][ T3558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 315.869873][ T3558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 315.870188][ T3558] __sys_sendmsg (net/socket.c:2700) 
[ 315.870494][ T3558] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 315.870809][ T3558] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 315.871138][ T3558] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 315.871450][ T3558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  315.871825][ T3558] RIP: 0033:0x7fb1fe4621e7
[ 315.872145][ T3558] 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)
[  315.873234][ T3558] RSP: 002b:00007fffda0ca5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  315.873701][ T3558] RAX: ffffffffffffffda RBX: 00007fffda0cacf0 RCX: 00007fb1fe4621e7
[  315.874163][ T3558] RDX: 0000000000000000 RSI: 00007fffda0ca620 RDI: 0000000000000005
[  315.874616][ T3558] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  315.875084][ T3558] R10: 00007fb1fe4f0ac0 R11: 0000000000000246 R12: 00007fffda0cad28
[  315.875557][ T3558] R13: 00000000686e4ff3 R14: 0000000000499600 R15: 00007fffda0ca710
| [  319.780407][ T3588] ------------[ cut here ]------------
| [ 319.780734][ T3588] WARNING: CPU: 2 PID: 3588 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) 
| [  319.781365][ T3588] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  319.783172][ T3588] Tainted: [W]=WARN
[  319.783423][ T3588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 319.783816][ T3588] 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) 
[ 319.784153][ T3588] 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
[  319.785259][ T3588] RSP: 0018:ffffc9000471f080 EFLAGS: 00010246
[  319.785651][ T3588] RAX: 0000000000000000 RBX: ffff88800baaa000 RCX: 0000000000000001
[  319.786120][ T3588] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  319.786579][ T3588] RBP: ffffc9000471f168 R08: 0000000000000000 R09: 0000000000000000
[  319.787055][ T3588] R10: ffffc9000471f198 R11: ffffffffbcf8d1e0 R12: 1ffff920008e3e14
[  319.787519][ T3588] R13: 00000000000005dc R14: ffffc9000471f198 R15: ffff88800baaaf48
[  319.787988][ T3588] FS:  00007ff1c34cb800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  319.788529][ T3588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  319.788928][ T3588] CR2: 00007ff1c36b6ba0 CR3: 0000000011b26006 CR4: 0000000000772ef0
[  319.789399][ T3588] PKRU: 55555554
[  319.789637][ T3588] Call Trace:
[  319.789874][ T3588]  <TASK>
[ 319.790051][ T3588] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 319.790368][ T3588] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 319.790694][ T3588] netif_set_mtu (net/core/dev.c:9652) 
[ 319.791025][ T3588] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 319.791362][ T3588] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 319.791605][ T3588] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 319.791932][ T3588] br_add_if (net/bridge/br_if.c:697) 
[ 319.792185][ T3588] do_set_master (net/core/rtnetlink.c:2948) 
[ 319.792497][ T3588] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 319.792813][ T3588] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 319.793140][ T3588] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 319.793451][ T3588] ? __dev_get_by_name (net/core/dev.c:865) 
[ 319.793770][ T3588] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 319.794092][ T3588] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 319.794412][ T3588] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 319.794721][ T3588] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 319.795051][ T3588] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 319.795375][ T3588] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 319.795696][ T3588] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 319.796029][ T3588] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 319.796347][ T3588] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 319.796664][ T3588] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 319.796988][ T3588] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 319.797303][ T3588] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 319.797623][ T3588] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 319.797949][ T3588] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 319.798268][ T3588] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 319.798588][ T3588] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 319.798923][ T3588] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 319.799235][ T3588] ? 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) 
[ 319.799551][ T3588] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 319.799869][ T3588] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 319.800192][ T3588] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 319.800510][ T3588] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 319.800838][ T3588] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 319.801161][ T3588] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 319.801485][ T3588] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 319.801802][ T3588] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 319.802123][ T3588] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 319.802524][ T3588] ___sys_sendmsg (net/socket.c:2670) 
[ 319.802839][ T3588] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 319.803170][ T3588] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 319.803486][ T3588] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 319.803799][ T3588] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 319.804127][ T3588] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 319.804450][ T3588] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 319.804767][ T3588] __sys_sendmsg (net/socket.c:2700) 
[ 319.805089][ T3588] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 319.805419][ T3588] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 319.805740][ T3588] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 319.806064][ T3588] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  319.806453][ T3588] RIP: 0033:0x7ff1c36981e7
[ 319.806775][ T3588] 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)
[  319.807875][ T3588] RSP: 002b:00007ffc34872268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  319.808352][ T3588] RAX: ffffffffffffffda RBX: 00007ffc348729a0 RCX: 00007ff1c36981e7
[  319.808816][ T3588] RDX: 0000000000000000 RSI: 00007ffc348722d0 RDI: 0000000000000005
[  319.809285][ T3588] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  319.809751][ T3588] R10: 00007ff1c3726ac0 R11: 0000000000000246 R12: 00007ffc348729d8
[  319.810222][ T3588] R13: 00000000686e4ff7 R14: 0000000000499600 R15: 00007ffc348723c0
| [  338.939639][ T3763] ------------[ cut here ]------------
| [ 338.939990][ T3763] WARNING: CPU: 2 PID: 3763 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) 
| [  338.940597][ T3763] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  338.941733][ T3763] Tainted: [W]=WARN
[  338.941993][ T3763] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 338.942382][ T3763] 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) 
[ 338.942707][ T3763] 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
[  338.943827][ T3763] RSP: 0018:ffffc90004c1f080 EFLAGS: 00010246
[  338.944261][ T3763] RAX: 0000000000000000 RBX: ffff8880154d2000 RCX: 0000000000000001
[  338.944746][ T3763] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  338.945254][ T3763] RBP: ffffc90004c1f168 R08: 0000000000000000 R09: 0000000000000000
[  338.945747][ T3763] R10: ffffc90004c1f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000983e14
[  338.946252][ T3763] R13: 00000000000005dc R14: ffffc90004c1f198 R15: ffff8880154d2f48
[  338.946740][ T3763] FS:  00007f1e7c132800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  338.947316][ T3763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  338.947730][ T3763] CR2: 000000000043d940 CR3: 000000001229e002 CR4: 0000000000772ef0
[  338.948232][ T3763] PKRU: 55555554
[  338.948489][ T3763] Call Trace:
[  338.948740][ T3763]  <TASK>
[ 338.948932][ T3763] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 338.949255][ T3763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 338.949584][ T3763] netif_set_mtu (net/core/dev.c:9652) 
[ 338.949912][ T3763] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 338.950243][ T3763] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 338.950485][ T3763] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 338.950811][ T3763] br_add_if (net/bridge/br_if.c:697) 
[ 338.951083][ T3763] do_set_master (net/core/rtnetlink.c:2948) 
[ 338.951398][ T3763] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 338.951716][ T3763] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 338.952046][ T3763] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 338.952357][ T3763] ? __dev_get_by_name (net/core/dev.c:865) 
[ 338.952670][ T3763] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 338.953005][ T3763] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 338.953341][ T3763] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 338.953662][ T3763] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 338.953995][ T3763] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 338.954318][ T3763] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 338.954638][ T3763] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 338.954986][ T3763] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 338.955297][ T3763] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 338.955619][ T3763] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 338.955961][ T3763] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 338.956278][ T3763] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 338.956595][ T3763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 338.956940][ T3763] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 338.957255][ T3763] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 338.957578][ T3763] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 338.957918][ T3763] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 338.958239][ T3763] ? 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) 
[ 338.958554][ T3763] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 338.958876][ T3763] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 338.959199][ T3763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 338.959521][ T3763] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 338.959840][ T3763] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 338.960165][ T3763] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 338.960493][ T3763] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 338.960813][ T3763] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 338.961161][ T3763] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 338.961565][ T3763] ___sys_sendmsg (net/socket.c:2670) 
[ 338.961882][ T3763] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 338.962207][ T3763] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 338.962525][ T3763] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 338.962847][ T3763] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 338.963174][ T3763] ? __handle_mm_fault (mm/memory.c:6212) 
[ 338.963491][ T3763] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 338.963804][ T3763] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 338.964147][ T3763] __sys_sendmsg (net/socket.c:2700) 
[ 338.964461][ T3763] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 338.964786][ T3763] ? 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) 
[ 338.965127][ T3763] ? 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) 
[ 338.965459][ T3763] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 338.965778][ T3763] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 338.966115][ T3763] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  338.966498][ T3763] RIP: 0033:0x7f1e7c2ff1e7
[ 338.966829][ T3763] 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)
[  338.967954][ T3763] RSP: 002b:00007ffe51d7a298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  338.968440][ T3763] RAX: ffffffffffffffda RBX: 00007ffe51d7a9d0 RCX: 00007f1e7c2ff1e7
[  338.968941][ T3763] RDX: 0000000000000000 RSI: 00007ffe51d7a300 RDI: 0000000000000005
[  338.969416][ T3763] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  338.969905][ T3763] R10: 00007f1e7c38dac0 R11: 0000000000000246 R12: 00007ffe51d7aa08
[  338.970370][ T3763] R13: 00000000686e500a R14: 0000000000499600 R15: 00007ffe51d7a3f0
| [  342.905238][ T3794] ------------[ cut here ]------------
| [ 342.905572][ T3794] WARNING: CPU: 0 PID: 3794 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) 
| [  342.907184][ T3794] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  342.908347][ T3794] Tainted: [W]=WARN
[  342.908587][ T3794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 342.908999][ T3794] 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) 
[ 342.909324][ T3794] 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
[  342.910462][ T3794] RSP: 0018:ffffc90004d3f080 EFLAGS: 00010246
[  342.910876][ T3794] RAX: 0000000000000000 RBX: ffff88800ae62000 RCX: 0000000000000001
[  342.911360][ T3794] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  342.911837][ T3794] RBP: ffffc90004d3f168 R08: 0000000000000000 R09: 0000000000000000
[  342.912316][ T3794] R10: ffffc90004d3f198 R11: ffffffffbcf8d1e0 R12: 1ffff920009a7e14
[  342.912800][ T3794] R13: 00000000000005dc R14: ffffc90004d3f198 R15: ffff88800ae62f48
[  342.913283][ T3794] FS:  00007fc7b705f800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  342.913841][ T3794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  342.914254][ T3794] CR2: 000000000043d940 CR3: 000000000cdd0001 CR4: 0000000000772ef0
[  342.914735][ T3794] PKRU: 55555554
[  342.914987][ T3794] Call Trace:
[  342.915225][ T3794]  <TASK>
[ 342.915391][ T3794] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 342.915710][ T3794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 342.916050][ T3794] netif_set_mtu (net/core/dev.c:9652) 
[ 342.916370][ T3794] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 342.916705][ T3794] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 342.916955][ T3794] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 342.917280][ T3794] br_add_if (net/bridge/br_if.c:697) 
[ 342.917538][ T3794] do_set_master (net/core/rtnetlink.c:2948) 
[ 342.917858][ T3794] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 342.918193][ T3794] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 342.918514][ T3794] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 342.918828][ T3794] ? __dev_get_by_name (net/core/dev.c:865) 
[ 342.919153][ T3794] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 342.919474][ T3794] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 342.919805][ T3794] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 342.920131][ T3794] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 342.920453][ T3794] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 342.920803][ T3794] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 342.921147][ T3794] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 342.921477][ T3794] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 342.921792][ T3794] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 342.922127][ T3794] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 342.922452][ T3794] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 342.922773][ T3794] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 342.923103][ T3794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 342.923427][ T3794] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 342.923746][ T3794] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 342.924073][ T3794] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 342.924404][ T3794] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 342.924725][ T3794] ? 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) 
[ 342.925052][ T3794] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 342.925375][ T3794] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 342.925692][ T3794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 342.926023][ T3794] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 342.926343][ T3794] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 342.926661][ T3794] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 342.926997][ T3794] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 342.927315][ T3794] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 342.927634][ T3794] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 342.928074][ T3794] ___sys_sendmsg (net/socket.c:2670) 
[ 342.928394][ T3794] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 342.928710][ T3794] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 342.929040][ T3794] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 342.929363][ T3794] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 342.929682][ T3794] ? __handle_mm_fault (mm/memory.c:6212) 
[ 342.930008][ T3794] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 342.930323][ T3794] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 342.930660][ T3794] __sys_sendmsg (net/socket.c:2700) 
[ 342.930995][ T3794] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 342.931319][ T3794] ? 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) 
[ 342.931643][ T3794] ? 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) 
[ 342.931970][ T3794] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 342.932296][ T3794] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 342.932614][ T3794] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  342.933016][ T3794] RIP: 0033:0x7fc7b722c1e7
[ 342.933346][ T3794] 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)
[  342.934500][ T3794] RSP: 002b:00007ffd24829088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  342.934986][ T3794] RAX: ffffffffffffffda RBX: 00007ffd248297c0 RCX: 00007fc7b722c1e7
[  342.935459][ T3794] RDX: 0000000000000000 RSI: 00007ffd248290f0 RDI: 0000000000000005
[  342.935949][ T3794] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  342.936425][ T3794] R10: 00007fc7b72baac0 R11: 0000000000000246 R12: 00007ffd248297f8
[  342.936907][ T3794] R13: 00000000686e500e R14: 0000000000499600 R15: 00007ffd248291e0
| [  349.657980][ T3860] ------------[ cut here ]------------
| [ 349.658288][ T3860] WARNING: CPU: 3 PID: 3860 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) 
| [  349.658879][ T3860] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  349.659996][ T3860] Tainted: [W]=WARN
[  349.660225][ T3860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 349.660600][ T3860] 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) 
[ 349.662202][ T3860] 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
[  349.663348][ T3860] RSP: 0018:ffffc90004ecf080 EFLAGS: 00010246
[  349.663748][ T3860] RAX: 0000000000000000 RBX: ffff888012712000 RCX: 0000000000000001
[  349.664227][ T3860] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  349.664704][ T3860] RBP: ffffc90004ecf168 R08: 0000000000000000 R09: 0000000000000000
[  349.665186][ T3860] R10: ffffc90004ecf198 R11: ffffffffbcf8d1e0 R12: 1ffff920009d9e14
[  349.665657][ T3860] R13: 00000000000005dc R14: ffffc90004ecf198 R15: ffff888012712f48
[  349.666134][ T3860] FS:  00007fcba3eb5800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  349.666685][ T3860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  349.667096][ T3860] CR2: 00007fcba40a0ba0 CR3: 000000000f187001 CR4: 0000000000772ef0
[  349.667573][ T3860] PKRU: 55555554
[  349.667808][ T3860] Call Trace:
[  349.668050][ T3860]  <TASK>
[ 349.668214][ T3860] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 349.668531][ T3860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 349.668860][ T3860] netif_set_mtu (net/core/dev.c:9652) 
[ 349.669187][ T3860] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 349.669521][ T3860] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 349.669763][ T3860] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 349.670092][ T3860] br_add_if (net/bridge/br_if.c:697) 
[ 349.670345][ T3860] do_set_master (net/core/rtnetlink.c:2948) 
[ 349.670662][ T3860] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 349.671006][ T3860] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 349.671331][ T3860] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 349.671643][ T3860] ? __dev_get_by_name (net/core/dev.c:865) 
[ 349.671970][ T3860] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 349.672284][ T3860] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 349.672606][ T3860] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 349.672928][ T3860] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 349.673251][ T3860] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 349.673582][ T3860] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 349.673922][ T3860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 349.674257][ T3860] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 349.674574][ T3860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 349.674903][ T3860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 349.675224][ T3860] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 349.675545][ T3860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 349.675869][ T3860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 349.676202][ T3860] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 349.676530][ T3860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 349.676851][ T3860] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 349.677192][ T3860] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 349.677510][ T3860] ? 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) 
[ 349.677827][ T3860] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 349.678141][ T3860] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 349.678446][ T3860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 349.678760][ T3860] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 349.679087][ T3860] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 349.679404][ T3860] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 349.679732][ T3860] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 349.680062][ T3860] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 349.680382][ T3860] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 349.680792][ T3860] ___sys_sendmsg (net/socket.c:2670) 
[ 349.681148][ T3860] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 349.681469][ T3860] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 349.681789][ T3860] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 349.682112][ T3860] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 349.682429][ T3860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 349.682754][ T3860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 349.683088][ T3860] __sys_sendmsg (net/socket.c:2700) 
[ 349.683409][ T3860] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 349.683740][ T3860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 349.684069][ T3860] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 349.684388][ T3860] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  349.684779][ T3860] RIP: 0033:0x7fcba40821e7
[ 349.685115][ T3860] 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)
[  349.686262][ T3860] RSP: 002b:00007ffdf34bfdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  349.686739][ T3860] RAX: ffffffffffffffda RBX: 00007ffdf34c04f0 RCX: 00007fcba40821e7
[  349.687220][ T3860] RDX: 0000000000000000 RSI: 00007ffdf34bfe20 RDI: 0000000000000005
[  349.687701][ T3860] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  349.688180][ T3860] R10: 00007fcba4110ac0 R11: 0000000000000246 R12: 00007ffdf34c0528
[  349.688648][ T3860] R13: 00000000686e5015 R14: 0000000000499600 R15: 00007ffdf34bff10
| [  353.626910][ T3890] ------------[ cut here ]------------
| [ 353.627247][ T3890] WARNING: CPU: 1 PID: 3890 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) 
| [  353.627874][ T3890] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  353.629047][ T3890] Tainted: [W]=WARN
[  353.629288][ T3890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 353.629690][ T3890] 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) 
[ 353.630024][ T3890] 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
[  353.631159][ T3890] RSP: 0018:ffffc9000514f080 EFLAGS: 00010246
[  353.631543][ T3890] RAX: 0000000000000000 RBX: ffff88800c69a000 RCX: 0000000000000001
[  353.632018][ T3890] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  353.632491][ T3890] RBP: ffffc9000514f168 R08: 0000000000000000 R09: 0000000000000000
[  353.632954][ T3890] R10: ffffc9000514f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000a29e14
[  353.633410][ T3890] R13: 00000000000005dc R14: ffffc9000514f198 R15: ffff88800c69af48
[  353.633862][ T3890] FS:  00007ff544e47800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  353.634395][ T3890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  353.634775][ T3890] CR2: 00007ff545032ba0 CR3: 000000001568f002 CR4: 0000000000772ef0
[  353.635239][ T3890] PKRU: 55555554
[  353.635465][ T3890] Call Trace:
[  353.635687][ T3890]  <TASK>
[ 353.635843][ T3890] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 353.636165][ T3890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 353.636481][ T3890] netif_set_mtu (net/core/dev.c:9652) 
[ 353.636781][ T3890] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 353.637104][ T3890] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 353.637340][ T3890] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 353.637647][ T3890] br_add_if (net/bridge/br_if.c:697) 
[ 353.637907][ T3890] do_set_master (net/core/rtnetlink.c:2948) 
[ 353.638223][ T3890] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 353.638544][ T3890] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 353.638857][ T3890] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 353.639165][ T3890] ? __dev_get_by_name (net/core/dev.c:865) 
[ 353.639474][ T3890] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 353.639777][ T3890] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 353.640094][ T3890] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 353.640394][ T3890] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 353.640700][ T3890] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 353.641029][ T3890] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 353.641337][ T3890] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 353.641649][ T3890] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 353.641978][ T3890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 353.642294][ T3890] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 353.642595][ T3890] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 353.642911][ T3890] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 353.643217][ T3890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 353.643527][ T3890] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 353.643833][ T3890] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 353.644144][ T3890] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 353.644464][ T3890] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 353.644767][ T3890] ? 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) 
[ 353.645076][ T3890] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 353.645381][ T3890] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 353.645680][ T3890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 353.645997][ T3890] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 353.646305][ T3890] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 353.646613][ T3890] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 353.646944][ T3890] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 353.647249][ T3890] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 353.647549][ T3890] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 353.647954][ T3890] ___sys_sendmsg (net/socket.c:2670) 
[ 353.648259][ T3890] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 353.648566][ T3890] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 353.648881][ T3890] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 353.649188][ T3890] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 353.649495][ T3890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 353.649808][ T3890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 353.650124][ T3890] __sys_sendmsg (net/socket.c:2700) 
[ 353.650427][ T3890] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 353.650746][ T3890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 353.651077][ T3890] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 353.651383][ T3890] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  353.651761][ T3890] RIP: 0033:0x7ff5450141e7
[ 353.652084][ T3890] 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)
[  353.653178][ T3890] RSP: 002b:00007ffc7a45e788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  353.653634][ T3890] RAX: ffffffffffffffda RBX: 00007ffc7a45eec0 RCX: 00007ff5450141e7
[  353.654091][ T3890] RDX: 0000000000000000 RSI: 00007ffc7a45e7f0 RDI: 0000000000000005
[  353.654542][ T3890] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  353.654998][ T3890] R10: 00007ff5450a2ac0 R11: 0000000000000246 R12: 00007ffc7a45eef8
[  353.655455][ T3890] R13: 00000000686e5019 R14: 0000000000499600 R15: 00007ffc7a45e8e0
| [  372.252348][ T4063] ------------[ cut here ]------------
| [ 372.252661][ T4063] WARNING: CPU: 1 PID: 4063 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) 
| [  372.253560][ T4063] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  372.254653][ T4063] Tainted: [W]=WARN
[  372.254889][ T4063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 372.255275][ T4063] 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) 
[ 372.255584][ T4063] 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
[  372.256673][ T4063] RSP: 0018:ffffc900056bf080 EFLAGS: 00010246
[  372.257070][ T4063] RAX: 0000000000000000 RBX: ffff88800f17a000 RCX: 0000000000000001
[  372.257519][ T4063] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  372.258002][ T4063] RBP: ffffc900056bf168 R08: 0000000000000000 R09: 0000000000000000
[  372.258452][ T4063] R10: ffffc900056bf198 R11: ffffffffbcf8d1e0 R12: 1ffff92000ad7e14
[  372.258917][ T4063] R13: 00000000000005dc R14: ffffc900056bf198 R15: ffff88800f17af48
[  372.259367][ T4063] FS:  00007ff185a3a800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  372.259891][ T4063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  372.260288][ T4063] CR2: 000000000043d940 CR3: 000000000d2a9001 CR4: 0000000000772ef0
[  372.260746][ T4063] PKRU: 55555554
[  372.260992][ T4063] Call Trace:
[  372.261217][ T4063]  <TASK>
[ 372.261371][ T4063] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 372.261670][ T4063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 372.261996][ T4063] netif_set_mtu (net/core/dev.c:9652) 
[ 372.262297][ T4063] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 372.262613][ T4063] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 372.262841][ T4063] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 372.263158][ T4063] br_add_if (net/bridge/br_if.c:697) 
[ 372.263397][ T4063] do_set_master (net/core/rtnetlink.c:2948) 
[ 372.263696][ T4063] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 372.264017][ T4063] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 372.264324][ T4063] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 372.264621][ T4063] ? __dev_get_by_name (net/core/dev.c:865) 
[ 372.264928][ T4063] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 372.265233][ T4063] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 372.265539][ T4063] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 372.265839][ T4063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 372.266151][ T4063] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 372.266467][ T4063] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 372.266773][ T4063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 372.267093][ T4063] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 372.267392][ T4063] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 372.267767][ T4063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 372.268083][ T4063] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 372.268394][ T4063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 372.268698][ T4063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 372.269010][ T4063] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 372.269311][ T4063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 372.269612][ T4063] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 372.269943][ T4063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 372.270241][ T4063] ? 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) 
[ 372.270544][ T4063] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 372.270846][ T4063] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 372.271159][ T4063] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 372.271467][ T4063] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 372.271771][ T4063] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 372.272093][ T4063] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 372.272403][ T4063] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 372.272706][ T4063] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 372.273012][ T4063] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 372.273401][ T4063] ___sys_sendmsg (net/socket.c:2670) 
[ 372.273704][ T4063] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 372.274011][ T4063] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 372.274318][ T4063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 372.274618][ T4063] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 372.274930][ T4063] ? __handle_mm_fault (mm/memory.c:6212) 
[ 372.275230][ T4063] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 372.275529][ T4063] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 372.275850][ T4063] __sys_sendmsg (net/socket.c:2700) 
[ 372.276173][ T4063] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 372.276479][ T4063] ? 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) 
[ 372.276786][ T4063] ? 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) 
[ 372.277097][ T4063] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 372.277401][ T4063] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 372.277704][ T4063] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  372.278088][ T4063] RIP: 0033:0x7ff185c071e7
[ 372.278398][ T4063] 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)
[  372.279480][ T4063] RSP: 002b:00007fffb7c04c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  372.279953][ T4063] RAX: ffffffffffffffda RBX: 00007fffb7c05380 RCX: 00007ff185c071e7
[  372.280402][ T4063] RDX: 0000000000000000 RSI: 00007fffb7c04cb0 RDI: 0000000000000005
[  372.280854][ T4063] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  372.281314][ T4063] R10: 00007ff185c95ac0 R11: 0000000000000246 R12: 00007fffb7c053b8
[  372.281764][ T4063] R13: 00000000686e502b R14: 0000000000499600 R15: 00007fffb7c04da0
| [  376.209455][ T4093] ------------[ cut here ]------------
| [ 376.209778][ T4093] WARNING: CPU: 2 PID: 4093 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) 
| [  376.211992][ T4093] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  376.213159][ T4093] Tainted: [W]=WARN
[  376.213405][ T4093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 376.213799][ T4093] 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) 
[ 376.214134][ T4093] 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
[  376.215230][ T4093] RSP: 0018:ffffc9000547f080 EFLAGS: 00010246
[  376.215621][ T4093] RAX: 0000000000000000 RBX: ffff888012712000 RCX: 0000000000000001
[  376.216101][ T4093] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  376.216578][ T4093] RBP: ffffc9000547f168 R08: 0000000000000000 R09: 0000000000000000
[  376.217063][ T4093] R10: ffffc9000547f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000a8fe14
[  376.217529][ T4093] R13: 00000000000005dc R14: ffffc9000547f198 R15: ffff888012712f48
[  376.218015][ T4093] FS:  00007f74e9a23800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  376.218552][ T4093] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  376.218968][ T4093] CR2: 000000000043d940 CR3: 0000000009ac4005 CR4: 0000000000772ef0
[  376.219444][ T4093] PKRU: 55555554
[  376.219685][ T4093] Call Trace:
[  376.219980][ T4093]  <TASK>
[ 376.220158][ T4093] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 376.220473][ T4093] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.220812][ T4093] netif_set_mtu (net/core/dev.c:9652) 
[ 376.221157][ T4093] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 376.221491][ T4093] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 376.221731][ T4093] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 376.222062][ T4093] br_add_if (net/bridge/br_if.c:697) 
[ 376.222314][ T4093] do_set_master (net/core/rtnetlink.c:2948) 
[ 376.222624][ T4093] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 376.222966][ T4093] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 376.223289][ T4093] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 376.223601][ T4093] ? __dev_get_by_name (net/core/dev.c:865) 
[ 376.223934][ T4093] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 376.224255][ T4093] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 376.224580][ T4093] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 376.224914][ T4093] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 376.225236][ T4093] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 376.225560][ T4093] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 376.225885][ T4093] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 376.226247][ T4093] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 376.226559][ T4093] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 376.226874][ T4093] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 376.227198][ T4093] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 376.227535][ T4093] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 376.227853][ T4093] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.228196][ T4093] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 376.228536][ T4093] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 376.228855][ T4093] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 376.229208][ T4093] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 376.229522][ T4093] ? 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) 
[ 376.229848][ T4093] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 376.230185][ T4093] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 376.230504][ T4093] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.230826][ T4093] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 376.231170][ T4093] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 376.231486][ T4093] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 376.231828][ T4093] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 376.232179][ T4093] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 376.232510][ T4093] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 376.232929][ T4093] ? debug_object_activate (lib/debugobjects.c:837) 
[ 376.233267][ T4093] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 376.233593][ T4093] ___sys_sendmsg (net/socket.c:2670) 
[ 376.233930][ T4093] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 376.234250][ T4093] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 376.234560][ T4093] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 376.234878][ T4093] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.235210][ T4093] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 376.235533][ T4093] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 376.235851][ T4093] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 376.236191][ T4093] __sys_sendmsg (net/socket.c:2700) 
[ 376.236514][ T4093] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 376.236829][ T4093] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 376.237252][ T4093] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 376.237576][ T4093] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 376.237927][ T4093] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  376.238326][ T4093] RIP: 0033:0x7f74e9bf01e7
[ 376.238657][ T4093] 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)
[  376.239768][ T4093] RSP: 002b:00007ffdf157e2c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  376.240274][ T4093] RAX: ffffffffffffffda RBX: 00007ffdf157ea00 RCX: 00007f74e9bf01e7
[  376.240761][ T4093] RDX: 0000000000000000 RSI: 00007ffdf157e330 RDI: 0000000000000005
[  376.241258][ T4093] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  376.241731][ T4093] R10: 00007f74e9c7eac0 R11: 0000000000000246 R12: 00007ffdf157ea38
[  376.242217][ T4093] R13: 00000000686e502f R14: 0000000000499600 R15: 00007ffdf157e420
| [  383.033455][ T4159] ------------[ cut here ]------------
| [ 383.033803][ T4159] WARNING: CPU: 2 PID: 4159 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) 
| [  383.034471][ T4159] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  383.036281][ T4159] Tainted: [W]=WARN
[  383.036535][ T4159] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 383.036959][ T4159] 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) 
[ 383.037298][ T4159] 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
[  383.038414][ T4159] RSP: 0018:ffffc90005b1f080 EFLAGS: 00010246
[  383.038817][ T4159] RAX: 0000000000000000 RBX: ffff88800a19a000 RCX: 0000000000000001
[  383.039294][ T4159] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  383.039759][ T4159] RBP: ffffc90005b1f168 R08: 0000000000000000 R09: 0000000000000000
[  383.040243][ T4159] R10: ffffc90005b1f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000b63e14
[  383.040706][ T4159] R13: 00000000000005dc R14: ffffc90005b1f198 R15: ffff88800a19af48
[  383.041197][ T4159] FS:  00007f83ff2b5800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  383.041745][ T4159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  383.042159][ T4159] CR2: 00007f83ff4a0ba0 CR3: 000000001554b004 CR4: 0000000000772ef0
[  383.042632][ T4159] PKRU: 55555554
[  383.042876][ T4159] Call Trace:
[  383.043124][ T4159]  <TASK>
[ 383.043294][ T4159] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 383.043637][ T4159] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 383.043990][ T4159] netif_set_mtu (net/core/dev.c:9652) 
[ 383.044304][ T4159] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 383.044635][ T4159] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 383.044890][ T4159] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 383.045224][ T4159] br_add_if (net/bridge/br_if.c:697) 
[ 383.045478][ T4159] do_set_master (net/core/rtnetlink.c:2948) 
[ 383.045792][ T4159] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 383.046132][ T4159] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 383.046453][ T4159] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 383.046773][ T4159] ? __dev_get_by_name (net/core/dev.c:865) 
[ 383.047101][ T4159] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 383.047423][ T4159] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 383.047743][ T4159] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 383.048067][ T4159] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 383.048387][ T4159] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 383.048712][ T4159] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 383.049045][ T4159] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 383.049377][ T4159] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 383.049695][ T4159] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 383.050031][ T4159] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 383.050347][ T4159] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 383.050665][ T4159] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 383.051014][ T4159] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 383.051338][ T4159] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 383.051652][ T4159] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 383.051993][ T4159] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 383.052321][ T4159] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 383.052636][ T4159] ? 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) 
[ 383.052965][ T4159] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 383.053286][ T4159] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 383.053597][ T4159] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 383.053940][ T4159] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 383.054265][ T4159] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 383.054582][ T4159] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 383.054916][ T4159] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 383.055236][ T4159] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 383.055547][ T4159] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 383.055959][ T4159] ___sys_sendmsg (net/socket.c:2670) 
[ 383.056275][ T4159] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 383.056600][ T4159] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 383.056929][ T4159] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 383.057246][ T4159] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 383.057561][ T4159] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 383.057883][ T4159] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 383.058221][ T4159] __sys_sendmsg (net/socket.c:2700) 
[ 383.058538][ T4159] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 383.058867][ T4159] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 383.059202][ T4159] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 383.059516][ T4159] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  383.059917][ T4159] RIP: 0033:0x7f83ff4821e7
[ 383.060242][ T4159] 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)
[  383.061360][ T4159] RSP: 002b:00007fffb97df5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  383.061829][ T4159] RAX: ffffffffffffffda RBX: 00007fffb97dfd10 RCX: 00007f83ff4821e7
[  383.062315][ T4159] RDX: 0000000000000000 RSI: 00007fffb97df640 RDI: 0000000000000005
[  383.062781][ T4159] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  383.063261][ T4159] R10: 00007f83ff510ac0 R11: 0000000000000246 R12: 00007fffb97dfd48
[  383.063727][ T4159] R13: 00000000686e5036 R14: 0000000000499600 R15: 00007fffb97df730
| [  386.997345][ T4189] ------------[ cut here ]------------
| [ 386.997682][ T4189] WARNING: CPU: 3 PID: 4189 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) 
| [  386.998336][ T4189] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  386.999466][ T4189] Tainted: [W]=WARN
[  386.999709][ T4189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 387.000109][ T4189] 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) 
[ 387.000437][ T4189] 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
[  387.001569][ T4189] RSP: 0018:ffffc90005c4f080 EFLAGS: 00010246
[  387.001985][ T4189] RAX: 0000000000000000 RBX: ffff88800f49a000 RCX: 0000000000000001
[  387.002460][ T4189] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  387.002942][ T4189] RBP: ffffc90005c4f168 R08: 0000000000000000 R09: 0000000000000000
[  387.003414][ T4189] R10: ffffc90005c4f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000b89e14
[  387.003920][ T4189] R13: 00000000000005dc R14: ffffc90005c4f198 R15: ffff88800f49af48
[  387.004399][ T4189] FS:  00007f5ebccac800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  387.004961][ T4189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  387.005358][ T4189] CR2: 00007f5ebce97ba0 CR3: 00000000122a0002 CR4: 0000000000772ef0
[  387.005832][ T4189] PKRU: 55555554
[  387.006087][ T4189] Call Trace:
[  387.006324][ T4189]  <TASK>
[ 387.006488][ T4189] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 387.006809][ T4189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.007149][ T4189] netif_set_mtu (net/core/dev.c:9652) 
[ 387.007464][ T4189] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 387.007794][ T4189] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 387.008042][ T4189] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 387.008364][ T4189] br_add_if (net/bridge/br_if.c:697) 
[ 387.008612][ T4189] do_set_master (net/core/rtnetlink.c:2948) 
[ 387.008940][ T4189] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 387.009263][ T4189] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 387.009581][ T4189] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 387.009912][ T4189] ? __dev_get_by_name (net/core/dev.c:865) 
[ 387.010233][ T4189] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 387.010547][ T4189] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 387.010867][ T4189] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 387.011203][ T4189] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 387.011530][ T4189] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 387.011856][ T4189] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 387.012184][ T4189] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 387.012513][ T4189] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 387.012827][ T4189] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 387.013156][ T4189] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 387.013473][ T4189] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 387.013790][ T4189] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 387.014127][ T4189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.014448][ T4189] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 387.014765][ T4189] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 387.015085][ T4189] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 387.015413][ T4189] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 387.015728][ T4189] ? 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) 
[ 387.016057][ T4189] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 387.016375][ T4189] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 387.016686][ T4189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.017014][ T4189] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 387.017334][ T4189] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 387.017650][ T4189] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 387.017991][ T4189] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 387.018322][ T4189] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 387.018642][ T4189] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 387.019060][ T4189] ___sys_sendmsg (net/socket.c:2670) 
[ 387.019435][ T4189] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 387.019995][ T4189] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 387.020538][ T4189] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 387.021041][ T4189] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 387.021384][ T4189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.021710][ T4189] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 387.022053][ T4189] __sys_sendmsg (net/socket.c:2700) 
[ 387.022373][ T4189] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 387.022704][ T4189] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 387.023030][ T4189] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 387.023346][ T4189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  387.023736][ T4189] RIP: 0033:0x7f5ebce791e7
[ 387.024076][ T4189] 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)
[  387.025212][ T4189] RSP: 002b:00007ffcf4b5d1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  387.025682][ T4189] RAX: ffffffffffffffda RBX: 00007ffcf4b5d920 RCX: 00007f5ebce791e7
[  387.026175][ T4189] RDX: 0000000000000000 RSI: 00007ffcf4b5d250 RDI: 0000000000000005
[  387.026646][ T4189] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  387.027130][ T4189] R10: 00007f5ebcf07ac0 R11: 0000000000000246 R12: 00007ffcf4b5d958
[  387.027601][ T4189] R13: 00000000686e503a R14: 0000000000499600 R15: 00007ffcf4b5d340
| [  405.721118][ T4362] ------------[ cut here ]------------
| [ 405.721462][ T4362] WARNING: CPU: 1 PID: 4362 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) 
| [  405.722107][ T4362] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  405.723278][ T4362] Tainted: [W]=WARN
[  405.723534][ T4362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 405.723954][ T4362] 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) 
[ 405.724296][ T4362] 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
[  405.725438][ T4362] RSP: 0018:ffffc900061ff080 EFLAGS: 00010246
[  405.725842][ T4362] RAX: 0000000000000000 RBX: ffff8880105f2000 RCX: 0000000000000001
[  405.726322][ T4362] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  405.726800][ T4362] RBP: ffffc900061ff168 R08: 0000000000000000 R09: 0000000000000000
[  405.727296][ T4362] R10: ffffc900061ff198 R11: ffffffffbcf8d1e0 R12: 1ffff92000c3fe14
[  405.727777][ T4362] R13: 00000000000005dc R14: ffffc900061ff198 R15: ffff8880105f2f48
[  405.728261][ T4362] FS:  00007effd0a5f800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  405.728824][ T4362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  405.729232][ T4362] CR2: 000000000043d940 CR3: 000000000adc1005 CR4: 0000000000772ef0
[  405.729709][ T4362] PKRU: 55555554
[  405.729957][ T4362] Call Trace:
[  405.730195][ T4362]  <TASK>
[ 405.730359][ T4362] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 405.730680][ T4362] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 405.731044][ T4362] netif_set_mtu (net/core/dev.c:9652) 
[ 405.731367][ T4362] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 405.731702][ T4362] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 405.731953][ T4362] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 405.732278][ T4362] br_add_if (net/bridge/br_if.c:697) 
[ 405.732531][ T4362] do_set_master (net/core/rtnetlink.c:2948) 
[ 405.732849][ T4362] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 405.733187][ T4362] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 405.733512][ T4362] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 405.733829][ T4362] ? __dev_get_by_name (net/core/dev.c:865) 
[ 405.734155][ T4362] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 405.734473][ T4362] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 405.734796][ T4362] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 405.735134][ T4362] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 405.735472][ T4362] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 405.735800][ T4362] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 405.736134][ T4362] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 405.736464][ T4362] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 405.736780][ T4362] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 405.737110][ T4362] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 405.737429][ T4362] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 405.737749][ T4362] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 405.738085][ T4362] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 405.738410][ T4362] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 405.738729][ T4362] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 405.739069][ T4362] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 405.739401][ T4362] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 405.739717][ T4362] ? 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) 
[ 405.740048][ T4362] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 405.740374][ T4362] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 405.740691][ T4362] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 405.741034][ T4362] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 405.741359][ T4362] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 405.741677][ T4362] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 405.742012][ T4362] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 405.742332][ T4362] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 405.742652][ T4362] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 405.743080][ T4362] ___sys_sendmsg (net/socket.c:2670) 
[ 405.743404][ T4362] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 405.743720][ T4362] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 405.744049][ T4362] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 405.744368][ T4362] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 405.744687][ T4362] ? __handle_mm_fault (mm/memory.c:6212) 
[ 405.745017][ T4362] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 405.745335][ T4362] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 405.745678][ T4362] __sys_sendmsg (net/socket.c:2700) 
[ 405.746006][ T4362] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 405.746325][ T4362] ? 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) 
[ 405.746651][ T4362] ? 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) 
[ 405.746994][ T4362] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 405.747324][ T4362] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 405.747644][ T4362] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  405.748047][ T4362] RIP: 0033:0x7effd0c2c1e7
[ 405.748377][ T4362] 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)
[  405.749522][ T4362] RSP: 002b:00007fff27cfec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  405.750006][ T4362] RAX: ffffffffffffffda RBX: 00007fff27cff3a0 RCX: 00007effd0c2c1e7
[  405.750480][ T4362] RDX: 0000000000000000 RSI: 00007fff27cfecd0 RDI: 0000000000000005
[  405.750979][ T4362] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  405.751461][ T4362] R10: 00007effd0cbaac0 R11: 0000000000000246 R12: 00007fff27cff3d8
[  405.751945][ T4362] R13: 00000000686e504d R14: 0000000000499600 R15: 00007fff27cfedc0
| [  409.732607][ T4392] ------------[ cut here ]------------
| [ 409.732930][ T4392] WARNING: CPU: 1 PID: 4392 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) 
| [  409.733530][ T4392] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  409.734618][ T4392] Tainted: [W]=WARN
[  409.734848][ T4392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 409.735233][ T4392] 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) 
[ 409.735546][ T4392] 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
[  409.736939][ T4392] RSP: 0018:ffffc9000636f080 EFLAGS: 00010246
[  409.737329][ T4392] RAX: 0000000000000000 RBX: ffff88800a19a000 RCX: 0000000000000001
[  409.737781][ T4392] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  409.738253][ T4392] RBP: ffffc9000636f168 R08: 0000000000000000 R09: 0000000000000000
[  409.738703][ T4392] R10: ffffc9000636f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000c6de14
[  409.739163][ T4392] R13: 00000000000005dc R14: ffffc9000636f198 R15: ffff88800a19af48
[  409.739620][ T4392] FS:  00007f9f2b996800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  409.740168][ T4392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  409.740551][ T4392] CR2: 000000000043d940 CR3: 00000000159b9001 CR4: 0000000000772ef0
[  409.741024][ T4392] PKRU: 55555554
[  409.741249][ T4392] Call Trace:
[  409.741474][ T4392]  <TASK>
[ 409.741629][ T4392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 409.741935][ T4392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 409.742255][ T4392] netif_set_mtu (net/core/dev.c:9652) 
[ 409.742557][ T4392] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 409.742873][ T4392] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 409.743109][ T4392] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 409.743414][ T4392] br_add_if (net/bridge/br_if.c:697) 
[ 409.743654][ T4392] do_set_master (net/core/rtnetlink.c:2948) 
[ 409.743969][ T4392] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 409.744274][ T4392] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 409.744581][ T4392] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 409.744879][ T4392] ? __dev_get_by_name (net/core/dev.c:865) 
[ 409.745189][ T4392] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 409.745489][ T4392] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 409.745794][ T4392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 409.746101][ T4392] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 409.746405][ T4392] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 409.746721][ T4392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 409.747034][ T4392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 409.747348][ T4392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 409.747647][ T4392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 409.747986][ T4392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 409.748293][ T4392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 409.748597][ T4392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 409.748916][ T4392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 409.749224][ T4392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 409.749523][ T4392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 409.749823][ T4392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 409.750145][ T4392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 409.750444][ T4392] ? 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) 
[ 409.750745][ T4392] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 409.751066][ T4392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 409.751369][ T4392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 409.751674][ T4392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 409.751985][ T4392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 409.752289][ T4392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 409.752597][ T4392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 409.752909][ T4392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 409.753209][ T4392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 409.753597][ T4392] ___sys_sendmsg (net/socket.c:2670) 
[ 409.753917][ T4392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 409.754224][ T4392] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 409.754528][ T4392] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 409.754827][ T4392] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 409.755144][ T4392] ? __handle_mm_fault (mm/memory.c:6212) 
[ 409.755445][ T4392] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 409.755745][ T4392] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 409.756071][ T4392] __sys_sendmsg (net/socket.c:2700) 
[ 409.756372][ T4392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 409.756671][ T4392] ? 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) 
[ 409.756986][ T4392] ? 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) 
[ 409.757291][ T4392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 409.757593][ T4392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 409.757916][ T4392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  409.758296][ T4392] RIP: 0033:0x7f9f2bb631e7
[ 409.758606][ T4392] 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)
[  409.759684][ T4392] RSP: 002b:00007ffdb3957928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  409.760147][ T4392] RAX: ffffffffffffffda RBX: 00007ffdb3958060 RCX: 00007f9f2bb631e7
[  409.760595][ T4392] RDX: 0000000000000000 RSI: 00007ffdb3957990 RDI: 0000000000000005
[  409.761066][ T4392] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  409.761517][ T4392] R10: 00007f9f2bbf1ac0 R11: 0000000000000246 R12: 00007ffdb3958098
[  409.761992][ T4392] R13: 00000000686e5051 R14: 0000000000499600 R15: 00007ffdb3957a80
| [  416.619093][ T4458] ------------[ cut here ]------------
| [ 416.619419][ T4458] WARNING: CPU: 2 PID: 4458 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) 
| [  416.620040][ T4458] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  416.621180][ T4458] Tainted: [W]=WARN
[  416.621427][ T4458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 416.621819][ T4458] 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) 
[ 416.622155][ T4458] 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
[  416.623254][ T4458] RSP: 0018:ffffc9000664f080 EFLAGS: 00010246
[  416.623647][ T4458] RAX: 0000000000000000 RBX: ffff88800f09a000 RCX: 0000000000000001
[  416.624124][ T4458] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  416.624588][ T4458] RBP: ffffc9000664f168 R08: 0000000000000000 R09: 0000000000000000
[  416.625076][ T4458] R10: ffffc9000664f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000cc9e14
[  416.625550][ T4458] R13: 00000000000005dc R14: ffffc9000664f198 R15: ffff88800f09af48
[  416.626027][ T4458] FS:  00007f8cc1e4c800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  416.626567][ T4458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  416.626971][ T4458] CR2: 00007f8cc2037ba0 CR3: 00000000159bf002 CR4: 0000000000772ef0
[  416.627442][ T4458] PKRU: 55555554
[  416.627691][ T4458] Call Trace:
[  416.627939][ T4458]  <TASK>
[ 416.628111][ T4458] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 416.628428][ T4458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 416.628757][ T4458] netif_set_mtu (net/core/dev.c:9652) 
[ 416.629092][ T4458] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 416.629432][ T4458] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 416.629681][ T4458] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 416.630012][ T4458] br_add_if (net/bridge/br_if.c:697) 
[ 416.630265][ T4458] do_set_master (net/core/rtnetlink.c:2948) 
[ 416.630577][ T4458] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 416.630907][ T4458] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 416.631235][ T4458] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 416.631549][ T4458] ? __dev_get_by_name (net/core/dev.c:865) 
[ 416.631870][ T4458] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 416.632200][ T4458] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 416.632519][ T4458] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 416.632832][ T4458] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 416.633170][ T4458] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 416.633501][ T4458] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 416.633819][ T4458] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 416.634157][ T4458] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 416.634473][ T4458] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 416.634792][ T4458] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 416.635115][ T4458] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 416.635433][ T4458] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 416.635754][ T4458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 416.636093][ T4458] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 416.636408][ T4458] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 416.636734][ T4458] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 416.637079][ T4458] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 416.637394][ T4458] ? 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) 
[ 416.637717][ T4458] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 416.638064][ T4458] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 416.638396][ T4458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 416.638731][ T4458] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 416.639079][ T4458] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 416.639413][ T4458] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 416.639749][ T4458] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 416.640091][ T4458] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 416.640419][ T4458] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 416.640840][ T4458] ___sys_sendmsg (net/socket.c:2670) 
[ 416.641202][ T4458] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 416.641543][ T4458] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 416.641877][ T4458] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 416.642218][ T4458] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 416.642554][ T4458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 416.642888][ T4458] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 416.643217][ T4458] __sys_sendmsg (net/socket.c:2700) 
[ 416.643534][ T4458] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 416.643863][ T4458] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 416.644197][ T4458] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 416.644515][ T4458] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  416.644925][ T4458] RIP: 0033:0x7f8cc20191e7
[ 416.645261][ T4458] 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)
[  416.646369][ T4458] RSP: 002b:00007ffc7dd73ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  416.646840][ T4458] RAX: ffffffffffffffda RBX: 00007ffc7dd74730 RCX: 00007f8cc20191e7
[  416.647313][ T4458] RDX: 0000000000000000 RSI: 00007ffc7dd74060 RDI: 0000000000000005
[  416.647782][ T4458] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  416.648270][ T4458] R10: 00007f8cc20a7ac0 R11: 0000000000000246 R12: 00007ffc7dd74768
[  416.648738][ T4458] R13: 00000000686e5058 R14: 0000000000499600 R15: 00007ffc7dd74150
| [  420.707709][ T4488] ------------[ cut here ]------------
| [ 420.708029][ T4488] WARNING: CPU: 3 PID: 4488 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) 
| [  420.708621][ T4488] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  420.709735][ T4488] Tainted: [W]=WARN
[  420.709986][ T4488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 420.710366][ T4488] 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) 
[ 420.710682][ T4488] 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
[  420.712118][ T4488] RSP: 0018:ffffc900067bf080 EFLAGS: 00010246
[  420.712502][ T4488] RAX: 0000000000000000 RBX: ffff888011a5a000 RCX: 0000000000000001
[  420.712965][ T4488] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  420.713423][ T4488] RBP: ffffc900067bf168 R08: 0000000000000000 R09: 0000000000000000
[  420.713885][ T4488] R10: ffffc900067bf198 R11: ffffffffbcf8d1e0 R12: 1ffff92000cf7e14
[  420.714355][ T4488] R13: 00000000000005dc R14: ffffc900067bf198 R15: ffff888011a5af48
[  420.714806][ T4488] FS:  00007fa64496d800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  420.715340][ T4488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  420.715722][ T4488] CR2: 00007fa644b58ba0 CR3: 0000000015915005 CR4: 0000000000772ef0
[  420.716190][ T4488] PKRU: 55555554
[  420.716417][ T4488] Call Trace:
[  420.716641][ T4488]  <TASK>
[ 420.716798][ T4488] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 420.717108][ T4488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 420.717424][ T4488] netif_set_mtu (net/core/dev.c:9652) 
[ 420.717727][ T4488] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 420.718067][ T4488] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 420.718306][ T4488] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 420.718611][ T4488] br_add_if (net/bridge/br_if.c:697) 
[ 420.718849][ T4488] do_set_master (net/core/rtnetlink.c:2948) 
[ 420.719157][ T4488] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 420.719462][ T4488] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 420.719766][ T4488] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 420.720072][ T4488] ? __dev_get_by_name (net/core/dev.c:865) 
[ 420.720381][ T4488] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 420.720681][ T4488] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 420.721000][ T4488] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 420.721303][ T4488] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 420.721609][ T4488] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 420.721947][ T4488] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 420.722256][ T4488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 420.722569][ T4488] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 420.722874][ T4488] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 420.723187][ T4488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 420.723489][ T4488] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 420.723792][ T4488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 420.724105][ T4488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 420.724412][ T4488] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 420.724712][ T4488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 420.725025][ T4488] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 420.725339][ T4488] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 420.725637][ T4488] ? 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) 
[ 420.725961][ T4488] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 420.726266][ T4488] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 420.726566][ T4488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 420.726875][ T4488] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 420.727191][ T4488] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 420.727493][ T4488] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 420.727802][ T4488] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 420.728116][ T4488] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 420.728414][ T4488] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 420.728802][ T4488] ___sys_sendmsg (net/socket.c:2670) 
[ 420.729115][ T4488] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 420.729423][ T4488] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 420.729735][ T4488] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 420.730050][ T4488] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 420.730359][ T4488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 420.730669][ T4488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 420.730997][ T4488] __sys_sendmsg (net/socket.c:2700) 
[ 420.731303][ T4488] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 420.731624][ T4488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 420.731935][ T4488] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 420.732239][ T4488] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  420.732616][ T4488] RIP: 0033:0x7fa644b3a1e7
[ 420.732936][ T4488] 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)
[  420.734029][ T4488] RSP: 002b:00007fff0de48038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  420.734484][ T4488] RAX: ffffffffffffffda RBX: 00007fff0de48770 RCX: 00007fa644b3a1e7
[  420.734950][ T4488] RDX: 0000000000000000 RSI: 00007fff0de480a0 RDI: 0000000000000005
[  420.735400][ T4488] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  420.735853][ T4488] R10: 00007fa644bc8ac0 R11: 0000000000000246 R12: 00007fff0de487a8
[  420.736310][ T4488] R13: 00000000686e505c R14: 0000000000499600 R15: 00007fff0de48190
| [  442.542500][ T4726] ------------[ cut here ]------------
| [ 442.542832][ T4726] WARNING: CPU: 0 PID: 4726 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) 
| [  442.543471][ T4726] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  442.544623][ T4726] Tainted: [W]=WARN
[  442.544864][ T4726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 442.545268][ T4726] 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) 
[ 442.545598][ T4726] 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
[  442.546738][ T4726] RSP: 0018:ffffc90006eaf080 EFLAGS: 00010246
[  442.547149][ T4726] RAX: 0000000000000000 RBX: ffff88800fef2000 RCX: 0000000000000001
[  442.547627][ T4726] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  442.548112][ T4726] RBP: ffffc90006eaf168 R08: 0000000000000000 R09: 0000000000000000
[  442.548585][ T4726] R10: ffffc90006eaf198 R11: ffffffffbcf8d1e0 R12: 1ffff92000dd5e14
[  442.549076][ T4726] R13: 00000000000005dc R14: ffffc90006eaf198 R15: ffff88800fef2f48
[  442.549559][ T4726] FS:  00007fead6443800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  442.550131][ T4726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  442.550532][ T4726] CR2: 000000000043d940 CR3: 0000000009dae005 CR4: 0000000000772ef0
[  442.551024][ T4726] PKRU: 55555554
[  442.551274][ T4726] Call Trace:
[  442.551511][ T4726]  <TASK>
[ 442.551676][ T4726] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 442.552001][ T4726] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 442.552337][ T4726] netif_set_mtu (net/core/dev.c:9652) 
[ 442.552654][ T4726] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 442.552996][ T4726] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 442.553239][ T4726] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 442.553564][ T4726] br_add_if (net/bridge/br_if.c:697) 
[ 442.553815][ T4726] do_set_master (net/core/rtnetlink.c:2948) 
[ 442.554138][ T4726] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 442.554459][ T4726] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 442.554784][ T4726] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 442.555105][ T4726] ? __dev_get_by_name (net/core/dev.c:865) 
[ 442.555430][ T4726] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 442.555747][ T4726] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 442.556080][ T4726] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 442.556400][ T4726] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 442.556719][ T4726] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 442.557063][ T4726] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 442.557386][ T4726] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 442.557713][ T4726] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 442.558036][ T4726] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 442.558355][ T4726] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 442.558673][ T4726] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 442.559003][ T4726] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 442.559326][ T4726] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 442.559664][ T4726] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 442.559989][ T4726] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 442.560311][ T4726] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 442.560639][ T4726] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 442.560962][ T4726] ? 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) 
[ 442.561290][ T4726] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 442.561610][ T4726] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 442.561936][ T4726] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 442.562260][ T4726] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 442.562579][ T4726] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 442.562909][ T4726] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 442.563234][ T4726] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 442.563554][ T4726] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 442.563867][ T4726] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 442.564288][ T4726] ___sys_sendmsg (net/socket.c:2670) 
[ 442.564607][ T4726] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 442.564928][ T4726] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 442.565246][ T4726] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 442.565561][ T4726] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 442.565884][ T4726] ? __handle_mm_fault (mm/memory.c:6212) 
[ 442.566221][ T4726] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 442.566538][ T4726] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 442.566874][ T4726] __sys_sendmsg (net/socket.c:2700) 
[ 442.567197][ T4726] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 442.567514][ T4726] ? 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) 
[ 442.567838][ T4726] ? 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) 
[ 442.568167][ T4726] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 442.568496][ T4726] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 442.568815][ T4726] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  442.569219][ T4726] RIP: 0033:0x7fead66101e7
[ 442.569548][ T4726] 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)
[  442.570685][ T4726] RSP: 002b:00007fff166930f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  442.571190][ T4726] RAX: ffffffffffffffda RBX: 00007fff16693830 RCX: 00007fead66101e7
[  442.571662][ T4726] RDX: 0000000000000000 RSI: 00007fff16693160 RDI: 0000000000000005
[  442.572142][ T4726] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  442.572617][ T4726] R10: 00007fead669eac0 R11: 0000000000000246 R12: 00007fff16693868
[  442.573102][ T4726] R13: 00000000686e5072 R14: 0000000000499600 R15: 00007fff16693250
| [  446.637317][ T4756] ------------[ cut here ]------------
| [ 446.637642][ T4756] WARNING: CPU: 2 PID: 4756 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) 
| [  446.638968][ T4756] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  446.640097][ T4756] Tainted: [W]=WARN
[  446.640337][ T4756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 446.640725][ T4756] 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) 
[ 446.641069][ T4756] 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
[  446.642169][ T4756] RSP: 0018:ffffc9000704f080 EFLAGS: 00010246
[  446.642571][ T4756] RAX: 0000000000000000 RBX: ffff88800f09a000 RCX: 0000000000000001
[  446.643045][ T4756] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  446.643511][ T4756] RBP: ffffc9000704f168 R08: 0000000000000000 R09: 0000000000000000
[  446.643982][ T4756] R10: ffffc9000704f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000e09e14
[  446.644451][ T4756] R13: 00000000000005dc R14: ffffc9000704f198 R15: ffff88800f09af48
[  446.644930][ T4756] FS:  00007f8d737fc800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  446.645472][ T4756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  446.645866][ T4756] CR2: 000000000043d940 CR3: 0000000015501006 CR4: 0000000000772ef0
[  446.646354][ T4756] PKRU: 55555554
[  446.646593][ T4756] Call Trace:
[  446.646834][ T4756]  <TASK>
[ 446.647012][ T4756] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 446.647327][ T4756] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 446.647654][ T4756] netif_set_mtu (net/core/dev.c:9652) 
[ 446.647975][ T4756] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 446.648305][ T4756] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 446.648551][ T4756] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 446.648878][ T4756] br_add_if (net/bridge/br_if.c:697) 
[ 446.649138][ T4756] do_set_master (net/core/rtnetlink.c:2948) 
[ 446.649452][ T4756] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 446.649767][ T4756] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 446.650095][ T4756] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 446.650407][ T4756] ? __dev_get_by_name (net/core/dev.c:865) 
[ 446.650722][ T4756] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 446.651057][ T4756] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 446.651378][ T4756] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 446.651687][ T4756] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 446.652015][ T4756] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 446.652338][ T4756] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 446.652656][ T4756] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 446.652989][ T4756] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 446.653307][ T4756] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 446.653624][ T4756] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 446.653944][ T4756] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 446.654260][ T4756] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 446.654577][ T4756] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 446.654905][ T4756] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 446.655218][ T4756] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 446.655534][ T4756] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 446.655861][ T4756] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 446.656183][ T4756] ? 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) 
[ 446.656498][ T4756] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 446.656815][ T4756] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 446.657134][ T4756] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 446.657454][ T4756] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 446.657769][ T4756] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 446.658104][ T4756] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 446.658423][ T4756] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 446.658740][ T4756] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 446.659060][ T4756] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 446.659459][ T4756] ___sys_sendmsg (net/socket.c:2670) 
[ 446.659772][ T4756] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 446.660093][ T4756] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 446.660415][ T4756] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 446.660727][ T4756] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 446.661064][ T4756] ? __handle_mm_fault (mm/memory.c:6212) 
[ 446.661381][ T4756] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 446.661694][ T4756] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 446.662034][ T4756] __sys_sendmsg (net/socket.c:2700) 
[ 446.662352][ T4756] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 446.662664][ T4756] ? 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) 
[ 446.662993][ T4756] ? 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) 
[ 446.663306][ T4756] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 446.663623][ T4756] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 446.663945][ T4756] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  446.664330][ T4756] RIP: 0033:0x7f8d739c91e7
[ 446.664651][ T4756] 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)
[  446.665754][ T4756] RSP: 002b:00007ffefcd85908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  446.666229][ T4756] RAX: ffffffffffffffda RBX: 00007ffefcd86040 RCX: 00007f8d739c91e7
[  446.666698][ T4756] RDX: 0000000000000000 RSI: 00007ffefcd85970 RDI: 0000000000000005
[  446.667169][ T4756] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  446.667630][ T4756] R10: 00007f8d73a57ac0 R11: 0000000000000246 R12: 00007ffefcd86078
[  446.668105][ T4756] R13: 00000000686e5076 R14: 0000000000499600 R15: 00007ffefcd85a60
| [  453.508521][ T4822] ------------[ cut here ]------------
| [ 453.508847][ T4822] WARNING: CPU: 2 PID: 4822 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) 
| [  453.509471][ T4822] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  453.510593][ T4822] Tainted: [W]=WARN
[  453.510833][ T4822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 453.511756][ T4822] 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) 
[ 453.512116][ T4822] 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
[  453.513228][ T4822] RSP: 0018:ffffc9000732f080 EFLAGS: 00010246
[  453.513620][ T4822] RAX: 0000000000000000 RBX: ffff88800d582000 RCX: 0000000000000001
[  453.514091][ T4822] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  453.514562][ T4822] RBP: ffffc9000732f168 R08: 0000000000000000 R09: 0000000000000000
[  453.515032][ T4822] R10: ffffc9000732f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000e65e14
[  453.515497][ T4822] R13: 00000000000005dc R14: ffffc9000732f198 R15: ffff88800d582f48
[  453.515972][ T4822] FS:  00007f988c587800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  453.516518][ T4822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  453.516922][ T4822] CR2: 00007f988c772ba0 CR3: 00000000106a4003 CR4: 0000000000772ef0
[  453.517390][ T4822] PKRU: 55555554
[  453.517630][ T4822] Call Trace:
[  453.517868][ T4822]  <TASK>
[ 453.518049][ T4822] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 453.518364][ T4822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 453.518695][ T4822] netif_set_mtu (net/core/dev.c:9652) 
[ 453.519025][ T4822] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 453.519358][ T4822] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 453.519600][ T4822] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 453.519932][ T4822] br_add_if (net/bridge/br_if.c:697) 
[ 453.520185][ T4822] do_set_master (net/core/rtnetlink.c:2948) 
[ 453.520497][ T4822] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 453.520818][ T4822] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 453.521159][ T4822] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 453.521475][ T4822] ? __dev_get_by_name (net/core/dev.c:865) 
[ 453.521786][ T4822] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 453.522116][ T4822] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 453.522435][ T4822] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 453.522751][ T4822] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 453.523080][ T4822] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 453.523409][ T4822] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 453.523735][ T4822] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 453.524075][ T4822] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 453.524389][ T4822] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 453.524707][ T4822] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 453.525031][ T4822] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 453.525350][ T4822] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 453.525670][ T4822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 453.526006][ T4822] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 453.526323][ T4822] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 453.526640][ T4822] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 453.526981][ T4822] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 453.527296][ T4822] ? 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) 
[ 453.527612][ T4822] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 453.527939][ T4822] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 453.528264][ T4822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 453.528585][ T4822] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 453.528918][ T4822] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 453.529235][ T4822] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 453.529561][ T4822] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 453.529877][ T4822] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 453.530203][ T4822] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 453.530608][ T4822] ___sys_sendmsg (net/socket.c:2670) 
[ 453.530938][ T4822] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 453.531262][ T4822] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 453.531586][ T4822] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 453.531906][ T4822] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 453.532229][ T4822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 453.532550][ T4822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 453.532874][ T4822] __sys_sendmsg (net/socket.c:2700) 
[ 453.533207][ T4822] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 453.533538][ T4822] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 453.533856][ T4822] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 453.534188][ T4822] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  453.534576][ T4822] RIP: 0033:0x7f988c7541e7
[ 453.534912][ T4822] 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)
[  453.536022][ T4822] RSP: 002b:00007ffcf523bb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  453.536494][ T4822] RAX: ffffffffffffffda RBX: 00007ffcf523c2a0 RCX: 00007f988c7541e7
[  453.536969][ T4822] RDX: 0000000000000000 RSI: 00007ffcf523bbd0 RDI: 0000000000000005
[  453.537442][ T4822] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  453.537916][ T4822] R10: 00007f988c7e2ac0 R11: 0000000000000246 R12: 00007ffcf523c2d8
[  453.538384][ T4822] R13: 00000000686e507d R14: 0000000000499600 R15: 00007ffcf523bcc0
| [  457.550678][ T4852] ------------[ cut here ]------------
| [ 457.550996][ T4852] WARNING: CPU: 0 PID: 4852 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) 
| [  457.551637][ T4852] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  457.552731][ T4852] Tainted: [W]=WARN
[  457.552981][ T4852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 457.553367][ T4852] 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) 
[ 457.553676][ T4852] 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
[  457.554758][ T4852] RSP: 0018:ffffc900074af080 EFLAGS: 00010246
[  457.555149][ T4852] RAX: 0000000000000000 RBX: ffff888015792000 RCX: 0000000000000001
[  457.555601][ T4852] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  457.556064][ T4852] RBP: ffffc900074af168 R08: 0000000000000000 R09: 0000000000000000
[  457.556516][ T4852] R10: ffffc900074af198 R11: ffffffffbcf8d1e0 R12: 1ffff92000e95e14
[  457.556987][ T4852] R13: 00000000000005dc R14: ffffc900074af198 R15: ffff888015792f48
[  457.557457][ T4852] FS:  00007f0eab5f8800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  457.557991][ T4852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  457.558370][ T4852] CR2: 00007f0eab7e3ba0 CR3: 0000000015963006 CR4: 0000000000772ef0
[  457.558821][ T4852] PKRU: 55555554
[  457.559054][ T4852] Call Trace:
[  457.559283][ T4852]  <TASK>
[ 457.559438][ T4852] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 457.559743][ T4852] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.560066][ T4852] netif_set_mtu (net/core/dev.c:9652) 
[ 457.560365][ T4852] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 457.560681][ T4852] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 457.560929][ T4852] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 457.561268][ T4852] br_add_if (net/bridge/br_if.c:697) 
[ 457.561506][ T4852] do_set_master (net/core/rtnetlink.c:2948) 
[ 457.561805][ T4852] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 457.562122][ T4852] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 457.562425][ T4852] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 457.562723][ T4852] ? __dev_get_by_name (net/core/dev.c:865) 
[ 457.563036][ T4852] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 457.563337][ T4852] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 457.563641][ T4852] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 457.563945][ T4852] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 457.564255][ T4852] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 457.564565][ T4852] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 457.564870][ T4852] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.565199][ T4852] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 457.565505][ T4852] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.565806][ T4852] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.566115][ T4852] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 457.566419][ T4852] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.566728][ T4852] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.567048][ T4852] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 457.567351][ T4852] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.567654][ T4852] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 457.567973][ T4852] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 457.568273][ T4852] ? 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) 
[ 457.568579][ T4852] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 457.568890][ T4852] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 457.569209][ T4852] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.569514][ T4852] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 457.569816][ T4852] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 457.570125][ T4852] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 457.570434][ T4852] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 457.570735][ T4852] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 457.571066][ T4852] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 457.571458][ T4852] ___sys_sendmsg (net/socket.c:2670) 
[ 457.571760][ T4852] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 457.572073][ T4852] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.572380][ T4852] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.572678][ T4852] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 457.572998][ T4852] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.573320][ T4852] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.573629][ T4852] __sys_sendmsg (net/socket.c:2700) 
[ 457.573935][ T4852] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 457.574250][ T4852] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.574553][ T4852] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 457.574854][ T4852] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  457.575233][ T4852] RIP: 0033:0x7f0eab7c51e7
[ 457.575549][ T4852] 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)
[  457.576637][ T4852] RSP: 002b:00007ffe64a27678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  457.577109][ T4852] RAX: ffffffffffffffda RBX: 00007ffe64a27db0 RCX: 00007f0eab7c51e7
[  457.577563][ T4852] RDX: 0000000000000000 RSI: 00007ffe64a276e0 RDI: 0000000000000005
[  457.578023][ T4852] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  457.578473][ T4852] R10: 00007f0eab853ac0 R11: 0000000000000246 R12: 00007ffe64a27de8
[  457.578930][ T4852] R13: 00000000686e5081 R14: 0000000000499600 R15: 00007ffe64a277d0
| [  479.351678][ T5088] ------------[ cut here ]------------
| [ 479.351997][ T5088] WARNING: CPU: 3 PID: 5088 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) 
| [  479.352595][ T5088] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  479.353686][ T5088] Tainted: [W]=WARN
[  479.353923][ T5088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 479.354300][ T5088] 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) 
[ 479.354610][ T5088] 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
[  479.355699][ T5088] RSP: 0018:ffffc90007acf080 EFLAGS: 00010246
[  479.356099][ T5088] RAX: 0000000000000000 RBX: ffff8880106b2000 RCX: 0000000000000001
[  479.356554][ T5088] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  479.357152][ T5088] RBP: ffffc90007acf168 R08: 0000000000000000 R09: 0000000000000000
[  479.357609][ T5088] R10: ffffc90007acf198 R11: ffffffffbcf8d1e0 R12: 1ffff92000f59e14
[  479.358201][ T5088] R13: 00000000000005dc R14: ffffc90007acf198 R15: ffff8880106b2f48
[  479.358650][ T5088] FS:  00007f6f81bd8800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  479.359321][ T5088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  479.359704][ T5088] CR2: 000000000043d940 CR3: 0000000015c17002 CR4: 0000000000772ef0
[  479.360316][ T5088] PKRU: 55555554
[  479.360544][ T5088] Call Trace:
[  479.360770][ T5088]  <TASK>
[ 479.361125][ T5088] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 479.361431][ T5088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 479.361744][ T5088] netif_set_mtu (net/core/dev.c:9652) 
[ 479.362177][ T5088] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 479.362495][ T5088] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 479.362725][ T5088] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 479.363039][ T5088] br_add_if (net/bridge/br_if.c:697) 
[ 479.363280][ T5088] do_set_master (net/core/rtnetlink.c:2948) 
[ 479.363580][ T5088] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 479.363883][ T5088] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 479.364222][ T5088] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 479.364529][ T5088] ? __dev_get_by_name (net/core/dev.c:865) 
[ 479.364829][ T5088] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 479.365146][ T5088] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 479.365451][ T5088] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 479.365748][ T5088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 479.366064][ T5088] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 479.366378][ T5088] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 479.366696][ T5088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 479.367016][ T5088] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 479.367320][ T5088] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 479.367623][ T5088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 479.367943][ T5088] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 479.368250][ T5088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 479.368556][ T5088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 479.368861][ T5088] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 479.369177][ T5088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 479.369481][ T5088] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 479.369793][ T5088] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 479.370098][ T5088] ? 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) 
[ 479.370403][ T5088] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 479.370705][ T5088] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 479.371014][ T5088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 479.371337][ T5088] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 479.371643][ T5088] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 479.371963][ T5088] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 479.372276][ T5088] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 479.372579][ T5088] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 479.372877][ T5088] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 479.373271][ T5088] ___sys_sendmsg (net/socket.c:2670) 
[ 479.373582][ T5088] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 479.373882][ T5088] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 479.374193][ T5088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 479.374493][ T5088] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 479.374797][ T5088] ? __handle_mm_fault (mm/memory.c:6212) 
[ 479.375104][ T5088] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 479.375411][ T5088] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 479.375730][ T5088] __sys_sendmsg (net/socket.c:2700) 
[ 479.376049][ T5088] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 479.376355][ T5088] ? 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) 
[ 479.376663][ T5088] ? 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) 
[ 479.376972][ T5088] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 479.377276][ T5088] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 479.377583][ T5088] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  479.377970][ T5088] RIP: 0033:0x7f6f81da51e7
[ 479.378285][ T5088] 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)
[  479.379366][ T5088] RSP: 002b:00007ffe8f455468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  479.379827][ T5088] RAX: ffffffffffffffda RBX: 00007ffe8f455ba0 RCX: 00007f6f81da51e7
[  479.380309][ T5088] RDX: 0000000000000000 RSI: 00007ffe8f4554d0 RDI: 0000000000000005
[  479.380763][ T5088] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  479.381235][ T5088] R10: 00007f6f81e33ac0 R11: 0000000000000246 R12: 00007ffe8f455bd8
[  479.381695][ T5088] R13: 00000000686e5096 R14: 0000000000499600 R15: 00007ffe8f4555c0
| [  483.302453][ T5118] ------------[ cut here ]------------
| [ 483.302763][ T5118] WARNING: CPU: 1 PID: 5118 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) 
| [  483.304209][ T5118] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  483.305301][ T5118] Tainted: [W]=WARN
[  483.305533][ T5118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 483.305932][ T5118] 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) 
[ 483.306243][ T5118] 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
[  483.307329][ T5118] RSP: 0018:ffffc90007bcf080 EFLAGS: 00010246
[  483.307718][ T5118] RAX: 0000000000000000 RBX: ffff88800d582000 RCX: 0000000000000001
[  483.308175][ T5118] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  483.308629][ T5118] RBP: ffffc90007bcf168 R08: 0000000000000000 R09: 0000000000000000
[  483.309087][ T5118] R10: ffffc90007bcf198 R11: ffffffffbcf8d1e0 R12: 1ffff92000f79e14
[  483.309542][ T5118] R13: 00000000000005dc R14: ffffc90007bcf198 R15: ffff88800d582f48
[  483.309999][ T5118] FS:  00007fcc33bfb800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  483.310532][ T5118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  483.310927][ T5118] CR2: 000000000043d940 CR3: 00000000158e4001 CR4: 0000000000772ef0
[  483.311390][ T5118] PKRU: 55555554
[  483.311623][ T5118] Call Trace:
[  483.311847][ T5118]  <TASK>
[ 483.312149][ T5118] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 483.312451][ T5118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 483.312769][ T5118] netif_set_mtu (net/core/dev.c:9652) 
[ 483.313229][ T5118] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 483.313548][ T5118] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 483.313776][ T5118] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 483.314223][ T5118] br_add_if (net/bridge/br_if.c:697) 
[ 483.314469][ T5118] do_set_master (net/core/rtnetlink.c:2948) 
[ 483.314767][ T5118] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 483.315211][ T5118] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 483.315515][ T5118] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 483.315819][ T5118] ? __dev_get_by_name (net/core/dev.c:865) 
[ 483.316263][ T5118] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 483.316563][ T5118] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 483.316878][ T5118] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 483.317224][ T5118] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 483.317529][ T5118] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 483.317839][ T5118] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 483.318152][ T5118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 483.318465][ T5118] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 483.318762][ T5118] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 483.319075][ T5118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 483.319382][ T5118] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 483.319683][ T5118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 483.319997][ T5118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 483.320303][ T5118] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 483.320604][ T5118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 483.320916][ T5118] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 483.321238][ T5118] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 483.321542][ T5118] ? 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) 
[ 483.321844][ T5118] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 483.322154][ T5118] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 483.322478][ T5118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 483.322785][ T5118] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 483.323103][ T5118] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 483.323405][ T5118] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 483.323723][ T5118] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 483.324037][ T5118] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 483.324340][ T5118] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 483.324729][ T5118] ___sys_sendmsg (net/socket.c:2670) 
[ 483.325041][ T5118] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 483.325343][ T5118] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 483.325649][ T5118] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 483.325963][ T5118] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 483.326272][ T5118] ? __handle_mm_fault (mm/memory.c:6212) 
[ 483.326572][ T5118] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 483.326874][ T5118] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 483.327205][ T5118] __sys_sendmsg (net/socket.c:2700) 
[ 483.327508][ T5118] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 483.327812][ T5118] ? 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) 
[ 483.328129][ T5118] ? 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) 
[ 483.328434][ T5118] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 483.328739][ T5118] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 483.329049][ T5118] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  483.329422][ T5118] RIP: 0033:0x7fcc33dc81e7
[ 483.329732][ T5118] 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)
[  483.330819][ T5118] RSP: 002b:00007ffd45d4f448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  483.331292][ T5118] RAX: ffffffffffffffda RBX: 00007ffd45d4fb80 RCX: 00007fcc33dc81e7
[  483.331749][ T5118] RDX: 0000000000000000 RSI: 00007ffd45d4f4b0 RDI: 0000000000000005
[  483.332213][ T5118] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  483.332663][ T5118] R10: 00007fcc33e56ac0 R11: 0000000000000246 R12: 00007ffd45d4fbb8
[  483.333121][ T5118] R13: 00000000686e509a R14: 0000000000499600 R15: 00007ffd45d4f5a0
| [  490.102887][ T5184] ------------[ cut here ]------------
| [ 490.103212][ T5184] WARNING: CPU: 3 PID: 5184 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) 
| [  490.103802][ T5184] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  490.104880][ T5184] Tainted: [W]=WARN
[  490.105133][ T5184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 490.105511][ T5184] 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) 
[ 490.105819][ T5184] 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
[  490.106905][ T5184] RSP: 0018:ffffc90007e7f080 EFLAGS: 00010246
[  490.107300][ T5184] RAX: 0000000000000000 RBX: ffff88800f572000 RCX: 0000000000000001
[  490.107750][ T5184] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  490.108205][ T5184] RBP: ffffc90007e7f168 R08: 0000000000000000 R09: 0000000000000000
[  490.108656][ T5184] R10: ffffc90007e7f198 R11: ffffffffbcf8d1e0 R12: 1ffff92000fcfe14
[  490.109116][ T5184] R13: 00000000000005dc R14: ffffc90007e7f198 R15: ffff88800f572f48
[  490.109568][ T5184] FS:  00007f24c7ebf800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  490.110100][ T5184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  490.110480][ T5184] CR2: 00007f24c80aaba0 CR3: 000000000f7db004 CR4: 0000000000772ef0
[  490.110949][ T5184] PKRU: 55555554
[  490.111200][ T5184] Call Trace:
[  490.111427][ T5184]  <TASK>
[ 490.111585][ T5184] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 490.111885][ T5184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 490.112368][ T5184] netif_set_mtu (net/core/dev.c:9652) 
[ 490.112669][ T5184] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 490.113123][ T5184] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 490.113354][ T5184] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 490.113664][ T5184] br_add_if (net/bridge/br_if.c:697) 
[ 490.114039][ T5184] do_set_master (net/core/rtnetlink.c:2948) 
[ 490.114347][ T5184] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 490.114651][ T5184] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 490.115122][ T5184] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 490.115421][ T5184] ? __dev_get_by_name (net/core/dev.c:865) 
[ 490.115722][ T5184] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 490.116165][ T5184] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 490.116476][ T5184] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 490.116773][ T5184] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 490.117216][ T5184] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 490.117529][ T5184] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 490.117834][ T5184] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 490.118194][ T5184] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 490.118494][ T5184] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 490.118801][ T5184] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 490.119118][ T5184] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 490.119424][ T5184] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 490.119728][ T5184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 490.120043][ T5184] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 490.120346][ T5184] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 490.120649][ T5184] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 490.120970][ T5184] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 490.121284][ T5184] ? 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) 
[ 490.121586][ T5184] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 490.121888][ T5184] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 490.122201][ T5184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 490.122506][ T5184] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 490.122808][ T5184] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 490.123127][ T5184] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 490.123440][ T5184] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 490.123741][ T5184] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 490.124047][ T5184] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 490.124433][ T5184] ___sys_sendmsg (net/socket.c:2670) 
[ 490.124736][ T5184] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 490.125047][ T5184] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 490.125354][ T5184] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 490.125657][ T5184] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 490.125970][ T5184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 490.126279][ T5184] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 490.126585][ T5184] __sys_sendmsg (net/socket.c:2700) 
[ 490.126886][ T5184] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 490.127216][ T5184] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 490.127521][ T5184] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 490.127832][ T5184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  490.128215][ T5184] RIP: 0033:0x7f24c808c1e7
[ 490.128526][ T5184] 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)
[  490.129607][ T5184] RSP: 002b:00007ffcec5d53e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  490.130071][ T5184] RAX: ffffffffffffffda RBX: 00007ffcec5d5b20 RCX: 00007f24c808c1e7
[  490.130527][ T5184] RDX: 0000000000000000 RSI: 00007ffcec5d5450 RDI: 0000000000000005
[  490.130996][ T5184] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  490.131463][ T5184] R10: 00007f24c811aac0 R11: 0000000000000246 R12: 00007ffcec5d5b58
[  490.131926][ T5184] R13: 00000000686e50a1 R14: 0000000000499600 R15: 00007ffcec5d5540
| [  494.046921][ T5214] ------------[ cut here ]------------
| [ 494.047256][ T5214] WARNING: CPU: 0 PID: 5214 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) 
| [  494.047903][ T5214] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  494.049021][ T5214] Tainted: [W]=WARN
[  494.049261][ T5214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 494.049648][ T5214] 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) 
[ 494.049977][ T5214] 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
[  494.051094][ T5214] RSP: 0018:ffffc90007fdf080 EFLAGS: 00010246
[  494.051484][ T5214] RAX: 0000000000000000 RBX: ffff88800924a000 RCX: 0000000000000001
[  494.051949][ T5214] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  494.052400][ T5214] RBP: ffffc90007fdf168 R08: 0000000000000000 R09: 0000000000000000
[  494.052856][ T5214] R10: ffffc90007fdf198 R11: ffffffffbcf8d1e0 R12: 1ffff92000ffbe14
[  494.053319][ T5214] R13: 00000000000005dc R14: ffffc90007fdf198 R15: ffff88800924af48
[  494.053775][ T5214] FS:  00007f9d1e658800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  494.054312][ T5214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  494.054691][ T5214] CR2: 00007f9d1e843ba0 CR3: 0000000015f2b001 CR4: 0000000000772ef0
[  494.055162][ T5214] PKRU: 55555554
[  494.055393][ T5214] Call Trace:
[  494.055617][ T5214]  <TASK>
[ 494.055778][ T5214] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 494.056086][ T5214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 494.056409][ T5214] netif_set_mtu (net/core/dev.c:9652) 
[ 494.056708][ T5214] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 494.057046][ T5214] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 494.057285][ T5214] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 494.057596][ T5214] br_add_if (net/bridge/br_if.c:697) 
[ 494.057844][ T5214] do_set_master (net/core/rtnetlink.c:2948) 
[ 494.058166][ T5214] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 494.058481][ T5214] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 494.058797][ T5214] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 494.059102][ T5214] ? __dev_get_by_name (net/core/dev.c:865) 
[ 494.059408][ T5214] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 494.059716][ T5214] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 494.060029][ T5214] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 494.060344][ T5214] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 494.060661][ T5214] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 494.060993][ T5214] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 494.061307][ T5214] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 494.061631][ T5214] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 494.061940][ T5214] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 494.062244][ T5214] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 494.062547][ T5214] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 494.062874][ T5214] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 494.063202][ T5214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 494.063518][ T5214] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 494.063828][ T5214] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 494.064151][ T5214] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 494.064470][ T5214] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 494.064774][ T5214] ? 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) 
[ 494.065099][ T5214] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 494.065403][ T5214] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 494.065702][ T5214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 494.066021][ T5214] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 494.066339][ T5214] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 494.066650][ T5214] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 494.066980][ T5214] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 494.067295][ T5214] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 494.067598][ T5214] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 494.068016][ T5214] ___sys_sendmsg (net/socket.c:2670) 
[ 494.068320][ T5214] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 494.068625][ T5214] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 494.068952][ T5214] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 494.069260][ T5214] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 494.069577][ T5214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 494.069905][ T5214] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 494.070213][ T5214] __sys_sendmsg (net/socket.c:2700) 
[ 494.070520][ T5214] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 494.070840][ T5214] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 494.071159][ T5214] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 494.071462][ T5214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  494.071856][ T5214] RIP: 0033:0x7f9d1e8251e7
[ 494.072184][ T5214] 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)
[  494.073272][ T5214] RSP: 002b:00007ffc9b0cde98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  494.073731][ T5214] RAX: ffffffffffffffda RBX: 00007ffc9b0ce5d0 RCX: 00007f9d1e8251e7
[  494.074210][ T5214] RDX: 0000000000000000 RSI: 00007ffc9b0cdf00 RDI: 0000000000000005
[  494.074665][ T5214] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  494.075145][ T5214] R10: 00007f9d1e8b3ac0 R11: 0000000000000246 R12: 00007ffc9b0ce608
[  494.075609][ T5214] R13: 00000000686e50a5 R14: 0000000000499600 R15: 00007ffc9b0cdff0
| [  515.969200][ T5451] ------------[ cut here ]------------
| [ 515.969506][ T5451] WARNING: CPU: 3 PID: 5451 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) 
| [  515.970105][ T5451] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  515.971212][ T5451] Tainted: [W]=WARN
[  515.971441][ T5451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 515.971815][ T5451] 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) 
[ 515.972131][ T5451] 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
[  515.973212][ T5451] RSP: 0018:ffffc9000868f080 EFLAGS: 00010246
[  515.973594][ T5451] RAX: 0000000000000000 RBX: ffff88800e3fa000 RCX: 0000000000000001
[  515.974050][ T5451] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  515.974503][ T5451] RBP: ffffc9000868f168 R08: 0000000000000000 R09: 0000000000000000
[  515.974959][ T5451] R10: ffffc9000868f198 R11: ffffffffbcf8d1e0 R12: 1ffff920010d1e14
[  515.975406][ T5451] R13: 00000000000005dc R14: ffffc9000868f198 R15: ffff88800e3faf48
[  515.975854][ T5451] FS:  00007fddf4027800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  515.976389][ T5451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  515.976770][ T5451] CR2: 000000000043d940 CR3: 000000001621d006 CR4: 0000000000772ef0
[  515.977227][ T5451] PKRU: 55555554
[  515.977461][ T5451] Call Trace:
[  515.977686][ T5451]  <TASK>
[ 515.977841][ T5451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 515.978148][ T5451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 515.978463][ T5451] netif_set_mtu (net/core/dev.c:9652) 
[ 515.978765][ T5451] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 515.979090][ T5451] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 515.979320][ T5451] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 515.979625][ T5451] br_add_if (net/bridge/br_if.c:697) 
[ 515.979863][ T5451] do_set_master (net/core/rtnetlink.c:2948) 
[ 515.980170][ T5451] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 515.980476][ T5451] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 515.980779][ T5451] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 515.981084][ T5451] ? __dev_get_by_name (net/core/dev.c:865) 
[ 515.981393][ T5451] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 515.981692][ T5451] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 515.982006][ T5451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 515.982308][ T5451] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 515.982613][ T5451] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 515.982937][ T5451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 515.983245][ T5451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 515.983558][ T5451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 515.983856][ T5451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 515.984169][ T5451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 515.984470][ T5451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 515.984774][ T5451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 515.985090][ T5451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 515.985395][ T5451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 515.985694][ T5451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 515.986003][ T5451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 515.986316][ T5451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 515.986615][ T5451] ? 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) 
[ 515.986926][ T5451] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 515.987232][ T5451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 515.987532][ T5451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 515.987837][ T5451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 515.988175][ T5451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 515.988478][ T5451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 515.988785][ T5451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 515.989098][ T5451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 515.989402][ T5451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 515.989789][ T5451] ___sys_sendmsg (net/socket.c:2670) 
[ 515.990098][ T5451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 515.990403][ T5451] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 515.990727][ T5451] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 515.991035][ T5451] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 515.991350][ T5451] ? __handle_mm_fault (mm/memory.c:6212) 
[ 515.991653][ T5451] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 515.991958][ T5451] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 515.992279][ T5451] __sys_sendmsg (net/socket.c:2700) 
[ 515.992579][ T5451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 515.992878][ T5451] ? 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) 
[ 515.993195][ T5451] ? 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) 
[ 515.993502][ T5451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 515.993807][ T5451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 515.994116][ T5451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  515.994489][ T5451] RIP: 0033:0x7fddf41f41e7
[ 515.994798][ T5451] 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)
[  515.995879][ T5451] RSP: 002b:00007ffc8796a428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  515.996342][ T5451] RAX: ffffffffffffffda RBX: 00007ffc8796ab60 RCX: 00007fddf41f41e7
[  515.996793][ T5451] RDX: 0000000000000000 RSI: 00007ffc8796a490 RDI: 0000000000000005
[  515.997250][ T5451] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  515.997700][ T5451] R10: 00007fddf4282ac0 R11: 0000000000000246 R12: 00007ffc8796ab98
[  515.998158][ T5451] R13: 00000000686e50bb R14: 0000000000499600 R15: 00007ffc8796a580
| [  519.900947][ T5481] ------------[ cut here ]------------
| [ 519.901276][ T5481] WARNING: CPU: 2 PID: 5481 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) 
| [  519.901884][ T5481] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  519.903688][ T5481] Tainted: [W]=WARN
[  519.903940][ T5481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 519.904329][ T5481] 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) 
[ 519.904653][ T5481] 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
[  519.905777][ T5481] RSP: 0018:ffffc9000881f080 EFLAGS: 00010246
[  519.906181][ T5481] RAX: 0000000000000000 RBX: ffff88800f572000 RCX: 0000000000000001
[  519.906641][ T5481] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  519.907113][ T5481] RBP: ffffc9000881f168 R08: 0000000000000000 R09: 0000000000000000
[  519.907581][ T5481] R10: ffffc9000881f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001103e14
[  519.908051][ T5481] R13: 00000000000005dc R14: ffffc9000881f198 R15: ffff88800f572f48
[  519.908513][ T5481] FS:  00007ff8caaa0800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  519.909072][ T5481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  519.909475][ T5481] CR2: 00007ff8caba0130 CR3: 0000000016052002 CR4: 0000000000772ef0
[  519.909957][ T5481] PKRU: 55555554
[  519.910198][ T5481] Call Trace:
[  519.910437][ T5481]  <TASK>
[ 519.910605][ T5481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 519.910931][ T5481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 519.911271][ T5481] netif_set_mtu (net/core/dev.c:9652) 
[ 519.911585][ T5481] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 519.911931][ T5481] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 519.912176][ T5481] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 519.912495][ T5481] br_add_if (net/bridge/br_if.c:697) 
[ 519.912748][ T5481] do_set_master (net/core/rtnetlink.c:2948) 
[ 519.913084][ T5481] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 519.913410][ T5481] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 519.913727][ T5481] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 519.914050][ T5481] ? __dev_get_by_name (net/core/dev.c:865) 
[ 519.914366][ T5481] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 519.914677][ T5481] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 519.915008][ T5481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 519.915318][ T5481] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 519.915640][ T5481] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 519.915983][ T5481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 519.916309][ T5481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 519.916633][ T5481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 519.916968][ T5481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 519.917285][ T5481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 519.917599][ T5481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 519.917924][ T5481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 519.918243][ T5481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 519.918560][ T5481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 519.918874][ T5481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 519.919201][ T5481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 519.919527][ T5481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 519.919836][ T5481] ? 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) 
[ 519.920162][ T5481] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 519.920477][ T5481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 519.920792][ T5481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 519.921133][ T5481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 519.921465][ T5481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 519.921779][ T5481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 519.922109][ T5481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 519.922423][ T5481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 519.922735][ T5481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 519.923145][ T5481] ___sys_sendmsg (net/socket.c:2670) 
[ 519.923463][ T5481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 519.923780][ T5481] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 519.924115][ T5481] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 519.924425][ T5481] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 519.924744][ T5481] ? __handle_mm_fault (mm/memory.c:6212) 
[ 519.925076][ T5481] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 519.925389][ T5481] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 519.925727][ T5481] __sys_sendmsg (net/socket.c:2700) 
[ 519.926054][ T5481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 519.926367][ T5481] ? 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) 
[ 519.926689][ T5481] ? 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) 
[ 519.927013][ T5481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 519.927329][ T5481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 519.927643][ T5481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  519.928038][ T5481] RIP: 0033:0x7ff8cac6d1e7
[ 519.928366][ T5481] 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)
[  519.929469][ T5481] RSP: 002b:00007ffc38b91e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  519.929946][ T5481] RAX: ffffffffffffffda RBX: 00007ffc38b92590 RCX: 00007ff8cac6d1e7
[  519.930413][ T5481] RDX: 0000000000000000 RSI: 00007ffc38b91ec0 RDI: 0000000000000005
[  519.930874][ T5481] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  519.931354][ T5481] R10: 00007ff8cacfbac0 R11: 0000000000000246 R12: 00007ffc38b925c8
[  519.931815][ T5481] R13: 00000000686e50bf R14: 0000000000499600 R15: 00007ffc38b91fb0
| [  526.758481][ T5547] ------------[ cut here ]------------
| [ 526.758782][ T5547] WARNING: CPU: 3 PID: 5547 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) 
| [  526.759398][ T5547] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  526.761037][ T5547] Tainted: [W]=WARN
[  526.761278][ T5547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 526.761655][ T5547] 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) 
[ 526.761975][ T5547] 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
[  526.763073][ T5547] RSP: 0018:ffffc90008b5f080 EFLAGS: 00010246
[  526.763466][ T5547] RAX: 0000000000000000 RBX: ffff88800f25a000 RCX: 0000000000000001
[  526.763926][ T5547] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  526.764381][ T5547] RBP: ffffc90008b5f168 R08: 0000000000000000 R09: 0000000000000000
[  526.764831][ T5547] R10: ffffc90008b5f198 R11: ffffffffbcf8d1e0 R12: 1ffff9200116be14
[  526.765297][ T5547] R13: 00000000000005dc R14: ffffc90008b5f198 R15: ffff88800f25af48
[  526.765749][ T5547] FS:  00007f110e37b800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  526.766302][ T5547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  526.766682][ T5547] CR2: 00007f110e566ba0 CR3: 00000000161d2003 CR4: 0000000000772ef0
[  526.767157][ T5547] PKRU: 55555554
[  526.767391][ T5547] Call Trace:
[  526.767622][ T5547]  <TASK>
[ 526.767779][ T5547] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 526.768090][ T5547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.768410][ T5547] netif_set_mtu (net/core/dev.c:9652) 
[ 526.768714][ T5547] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 526.769044][ T5547] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 526.769273][ T5547] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 526.769579][ T5547] br_add_if (net/bridge/br_if.c:697) 
[ 526.769820][ T5547] do_set_master (net/core/rtnetlink.c:2948) 
[ 526.770132][ T5547] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 526.770438][ T5547] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 526.770748][ T5547] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 526.771066][ T5547] ? __dev_get_by_name (net/core/dev.c:865) 
[ 526.771384][ T5547] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 526.771690][ T5547] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 526.772005][ T5547] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 526.772304][ T5547] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 526.772611][ T5547] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 526.772940][ T5547] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 526.773248][ T5547] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 526.773562][ T5547] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 526.773861][ T5547] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 526.774173][ T5547] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 526.774474][ T5547] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 526.774777][ T5547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 526.775099][ T5547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.775420][ T5547] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 526.775723][ T5547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 526.776037][ T5547] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 526.776353][ T5547] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 526.776651][ T5547] ? 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) 
[ 526.776964][ T5547] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 526.777270][ T5547] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 526.777574][ T5547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.777881][ T5547] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 526.778194][ T5547] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 526.778500][ T5547] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 526.778808][ T5547] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 526.779128][ T5547] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 526.779429][ T5547] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 526.779822][ T5547] ___sys_sendmsg (net/socket.c:2670) 
[ 526.780133][ T5547] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 526.780440][ T5547] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 526.780746][ T5547] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 526.781054][ T5547] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 526.781371][ T5547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.781682][ T5547] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 526.782003][ T5547] __sys_sendmsg (net/socket.c:2700) 
[ 526.782307][ T5547] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 526.782625][ T5547] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 526.782945][ T5547] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 526.783251][ T5547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  526.783624][ T5547] RIP: 0033:0x7f110e5481e7
[ 526.783945][ T5547] 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)
[  526.785036][ T5547] RSP: 002b:00007ffe09a22e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  526.785490][ T5547] RAX: ffffffffffffffda RBX: 00007ffe09a23580 RCX: 00007f110e5481e7
[  526.785952][ T5547] RDX: 0000000000000000 RSI: 00007ffe09a22eb0 RDI: 0000000000000005
[  526.786408][ T5547] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  526.786861][ T5547] R10: 00007f110e5d6ac0 R11: 0000000000000246 R12: 00007ffe09a235b8
[  526.787329][ T5547] R13: 00000000686e50c6 R14: 0000000000499600 R15: 00007ffe09a22fa0
| [  530.719743][ T5577] ------------[ cut here ]------------
| [ 530.720063][ T5577] WARNING: CPU: 0 PID: 5577 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) 
| [  530.720659][ T5577] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  530.721805][ T5577] Tainted: [W]=WARN
[  530.722054][ T5577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 530.722434][ T5577] 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) 
[ 530.722748][ T5577] 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
[  530.723839][ T5577] RSP: 0018:ffffc90008c8f080 EFLAGS: 00010246
[  530.724237][ T5577] RAX: 0000000000000000 RBX: ffff888015aaa000 RCX: 0000000000000001
[  530.724701][ T5577] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  530.725162][ T5577] RBP: ffffc90008c8f168 R08: 0000000000000000 R09: 0000000000000000
[  530.725613][ T5577] R10: ffffc90008c8f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001191e14
[  530.726080][ T5577] R13: 00000000000005dc R14: ffffc90008c8f198 R15: ffff888015aaaf48
[  530.726535][ T5577] FS:  00007ff5ff629800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  530.727077][ T5577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  530.727456][ T5577] CR2: 00007ff5ff814ba0 CR3: 0000000015c27006 CR4: 0000000000772ef0
[  530.727917][ T5577] PKRU: 55555554
[  530.728146][ T5577] Call Trace:
[  530.728371][ T5577]  <TASK>
[ 530.728527][ T5577] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 530.728835][ T5577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 530.729159][ T5577] netif_set_mtu (net/core/dev.c:9652) 
[ 530.729459][ T5577] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 530.729776][ T5577] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 530.730020][ T5577] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 530.730336][ T5577] br_add_if (net/bridge/br_if.c:697) 
[ 530.730573][ T5577] do_set_master (net/core/rtnetlink.c:2948) 
[ 530.730872][ T5577] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 530.731213][ T5577] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 530.731522][ T5577] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 530.731822][ T5577] ? __dev_get_by_name (net/core/dev.c:865) 
[ 530.732131][ T5577] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 530.732434][ T5577] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 530.732739][ T5577] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 530.733045][ T5577] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 530.733358][ T5577] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 530.733669][ T5577] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 530.733993][ T5577] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 530.734317][ T5577] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 530.734617][ T5577] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 530.734930][ T5577] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 530.735232][ T5577] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 530.735536][ T5577] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 530.735846][ T5577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 530.736161][ T5577] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 530.736465][ T5577] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 530.736772][ T5577] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 530.737091][ T5577] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 530.737391][ T5577] ? 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) 
[ 530.737700][ T5577] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 530.738021][ T5577] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 530.738324][ T5577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 530.738632][ T5577] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 530.738945][ T5577] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 530.739246][ T5577] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 530.739555][ T5577] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 530.739859][ T5577] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 530.740171][ T5577] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 530.740557][ T5577] ___sys_sendmsg (net/socket.c:2670) 
[ 530.740861][ T5577] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 530.741207][ T5577] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 530.741514][ T5577] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 530.741812][ T5577] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 530.742135][ T5577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 530.742451][ T5577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 530.742758][ T5577] __sys_sendmsg (net/socket.c:2700) 
[ 530.743069][ T5577] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 530.743384][ T5577] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 530.743690][ T5577] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 530.744006][ T5577] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  530.744380][ T5577] RIP: 0033:0x7ff5ff7f61e7
[ 530.744705][ T5577] 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)
[  530.745791][ T5577] RSP: 002b:00007ffe0f571768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  530.746265][ T5577] RAX: ffffffffffffffda RBX: 00007ffe0f571ea0 RCX: 00007ff5ff7f61e7
[  530.746731][ T5577] RDX: 0000000000000000 RSI: 00007ffe0f5717d0 RDI: 0000000000000005
[  530.747196][ T5577] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  530.747649][ T5577] R10: 00007ff5ff884ac0 R11: 0000000000000246 R12: 00007ffe0f571ed8
[  530.748110][ T5577] R13: 00000000686e50ca R14: 0000000000499600 R15: 00007ffe0f5718c0
| [  552.547626][ T5814] ------------[ cut here ]------------
| [ 552.548799][ T5814] WARNING: CPU: 2 PID: 5814 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) 
| [  552.549426][ T5814] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  552.550547][ T5814] Tainted: [W]=WARN
[  552.550785][ T5814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 552.551201][ T5814] 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) 
[ 552.551526][ T5814] 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
[  552.552624][ T5814] RSP: 0018:ffffc900093af080 EFLAGS: 00010246
[  552.553027][ T5814] RAX: 0000000000000000 RBX: ffff888012672000 RCX: 0000000000000001
[  552.553489][ T5814] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  552.553964][ T5814] RBP: ffffc900093af168 R08: 0000000000000000 R09: 0000000000000000
[  552.554427][ T5814] R10: ffffc900093af198 R11: ffffffffbcf8d1e0 R12: 1ffff92001275e14
[  552.554887][ T5814] R13: 00000000000005dc R14: ffffc900093af198 R15: ffff888012672f48
[  552.555370][ T5814] FS:  00007f073cbc7800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  552.555931][ T5814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  552.556325][ T5814] CR2: 000000000043d940 CR3: 00000000126bf001 CR4: 0000000000772ef0
[  552.556789][ T5814] PKRU: 55555554
[  552.557040][ T5814] Call Trace:
[  552.557278][ T5814]  <TASK>
[ 552.557445][ T5814] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 552.557761][ T5814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 552.558103][ T5814] netif_set_mtu (net/core/dev.c:9652) 
[ 552.558419][ T5814] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 552.558747][ T5814] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 552.559010][ T5814] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 552.559334][ T5814] br_add_if (net/bridge/br_if.c:697) 
[ 552.559588][ T5814] do_set_master (net/core/rtnetlink.c:2948) 
[ 552.559909][ T5814] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 552.560229][ T5814] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 552.560551][ T5814] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 552.560862][ T5814] ? __dev_get_by_name (net/core/dev.c:865) 
[ 552.561192][ T5814] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 552.561512][ T5814] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 552.561831][ T5814] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 552.562156][ T5814] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 552.562474][ T5814] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 552.562802][ T5814] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 552.563143][ T5814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 552.563474][ T5814] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 552.563786][ T5814] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 552.564112][ T5814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 552.564427][ T5814] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 552.564741][ T5814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 552.565070][ T5814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 552.565394][ T5814] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 552.565708][ T5814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 552.566033][ T5814] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 552.566363][ T5814] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 552.566675][ T5814] ? 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) 
[ 552.567014][ T5814] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 552.567339][ T5814] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 552.567658][ T5814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 552.567989][ T5814] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 552.568311][ T5814] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 552.568624][ T5814] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 552.568954][ T5814] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 552.569268][ T5814] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 552.569582][ T5814] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 552.569996][ T5814] ___sys_sendmsg (net/socket.c:2670) 
[ 552.570316][ T5814] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 552.570629][ T5814] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 552.570965][ T5814] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 552.571297][ T5814] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 552.571614][ T5814] ? __handle_mm_fault (mm/memory.c:6212) 
[ 552.571938][ T5814] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 552.572265][ T5814] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 552.572595][ T5814] __sys_sendmsg (net/socket.c:2700) 
[ 552.572921][ T5814] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 552.573234][ T5814] ? 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) 
[ 552.573556][ T5814] ? 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) 
[ 552.573871][ T5814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 552.574199][ T5814] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 552.574521][ T5814] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  552.574925][ T5814] RIP: 0033:0x7f073cd941e7
[ 552.575252][ T5814] 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)
[  552.576345][ T5814] RSP: 002b:00007ffef4cae0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  552.576819][ T5814] RAX: ffffffffffffffda RBX: 00007ffef4cae810 RCX: 00007f073cd941e7
[  552.577294][ T5814] RDX: 0000000000000000 RSI: 00007ffef4cae140 RDI: 0000000000000005
[  552.577760][ T5814] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  552.578231][ T5814] R10: 00007f073ce22ac0 R11: 0000000000000246 R12: 00007ffef4cae848
[  552.578700][ T5814] R13: 00000000686e50e0 R14: 0000000000499600 R15: 00007ffef4cae230
| [  556.469390][ T5844] ------------[ cut here ]------------
| [ 556.469693][ T5844] WARNING: CPU: 3 PID: 5844 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) 
| [  556.470295][ T5844] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  556.471493][ T5844] Tainted: [W]=WARN
[  556.471723][ T5844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 556.472120][ T5844] 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) 
[ 556.472436][ T5844] 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
[  556.473611][ T5844] RSP: 0018:ffffc900093af080 EFLAGS: 00010246
[  556.473999][ T5844] RAX: 0000000000000000 RBX: ffff88800f25a000 RCX: 0000000000000001
[  556.474450][ T5844] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  556.475440][ T5844] RBP: ffffc900093af168 R08: 0000000000000000 R09: 0000000000000000
[  556.475891][ T5844] R10: ffffc900093af198 R11: ffffffffbcf8d1e0 R12: 1ffff92001275e14
[  556.476349][ T5844] R13: 00000000000005dc R14: ffffc900093af198 R15: ffff88800f25af48
[  556.476798][ T5844] FS:  00007fe8c4050800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  556.477338][ T5844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  556.477718][ T5844] CR2: 000055a60b7cadec CR3: 000000001656e001 CR4: 0000000000772ef0
[  556.478180][ T5844] PKRU: 55555554
[  556.478405][ T5844] Call Trace:
[  556.478629][ T5844]  <TASK>
[ 556.478787][ T5844] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 556.479098][ T5844] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 556.479417][ T5844] netif_set_mtu (net/core/dev.c:9652) 
[ 556.479717][ T5844] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 556.480044][ T5844] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 556.480273][ T5844] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 556.480578][ T5844] br_add_if (net/bridge/br_if.c:697) 
[ 556.480817][ T5844] do_set_master (net/core/rtnetlink.c:2948) 
[ 556.481128][ T5844] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 556.481441][ T5844] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 556.481751][ T5844] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 556.482058][ T5844] ? __dev_get_by_name (net/core/dev.c:865) 
[ 556.482359][ T5844] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 556.482657][ T5844] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 556.482971][ T5844] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 556.483270][ T5844] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 556.483575][ T5844] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 556.483890][ T5844] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 556.484205][ T5844] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 556.484518][ T5844] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 556.484816][ T5844] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 556.485127][ T5844] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 556.485427][ T5844] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 556.485729][ T5844] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 556.486042][ T5844] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 556.486354][ T5844] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 556.486657][ T5844] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 556.486967][ T5844] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 556.487282][ T5844] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 556.487580][ T5844] ? 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) 
[ 556.487881][ T5844] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 556.488192][ T5844] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 556.488500][ T5844] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 556.488808][ T5844] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 556.489120][ T5844] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 556.489422][ T5844] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 556.489730][ T5844] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 556.490042][ T5844] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 556.490341][ T5844] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 556.490735][ T5844] ___sys_sendmsg (net/socket.c:2670) 
[ 556.491047][ T5844] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 556.491355][ T5844] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 556.491659][ T5844] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 556.491968][ T5844] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 556.492273][ T5844] ? __handle_mm_fault (mm/memory.c:6212) 
[ 556.492581][ T5844] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 556.492880][ T5844] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 556.493208][ T5844] __sys_sendmsg (net/socket.c:2700) 
[ 556.493512][ T5844] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 556.493813][ T5844] ? 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) 
[ 556.494127][ T5844] ? 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) 
[ 556.494429][ T5844] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 556.494740][ T5844] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 556.495050][ T5844] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  556.495425][ T5844] RIP: 0033:0x7fe8c421d1e7
[ 556.495735][ T5844] 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)
[  556.496821][ T5844] RSP: 002b:00007ffca2a4e588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  556.497291][ T5844] RAX: ffffffffffffffda RBX: 00007ffca2a4ecc0 RCX: 00007fe8c421d1e7
[  556.497745][ T5844] RDX: 0000000000000000 RSI: 00007ffca2a4e5f0 RDI: 0000000000000005
[  556.498302][ T5844] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  556.498757][ T5844] R10: 00007fe8c42abac0 R11: 0000000000000246 R12: 00007ffca2a4ecf8
[  556.499221][ T5844] R13: 00000000686e50e4 R14: 0000000000499600 R15: 00007ffca2a4e6e0
| [  563.317995][ T5910] ------------[ cut here ]------------
| [ 563.318329][ T5910] WARNING: CPU: 2 PID: 5910 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) 
| [  563.319364][ T5910] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  563.320481][ T5910] Tainted: [W]=WARN
[  563.320728][ T5910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 563.321129][ T5910] 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) 
[ 563.321464][ T5910] 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
[  563.322585][ T5910] RSP: 0018:ffffc9000974f080 EFLAGS: 00010246
[  563.323004][ T5910] RAX: 0000000000000000 RBX: ffff8880027d2000 RCX: 0000000000000001
[  563.323474][ T5910] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  563.323951][ T5910] RBP: ffffc9000974f168 R08: 0000000000000000 R09: 0000000000000000
[  563.324419][ T5910] R10: ffffc9000974f198 R11: ffffffffbcf8d1e0 R12: 1ffff920012e9e14
[  563.324891][ T5910] R13: 00000000000005dc R14: ffffc9000974f198 R15: ffff8880027d2f48
[  563.325369][ T5910] FS:  00007f587575b800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  563.325932][ T5910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  563.326335][ T5910] CR2: 00007f5875946ba0 CR3: 00000000114a0005 CR4: 0000000000772ef0
[  563.326813][ T5910] PKRU: 55555554
[  563.327064][ T5910] Call Trace:
[  563.327303][ T5910]  <TASK>
[ 563.327473][ T5910] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 563.327792][ T5910] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 563.328132][ T5910] netif_set_mtu (net/core/dev.c:9652) 
[ 563.328446][ T5910] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 563.328779][ T5910] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 563.329034][ T5910] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 563.329363][ T5910] br_add_if (net/bridge/br_if.c:697) 
[ 563.329617][ T5910] do_set_master (net/core/rtnetlink.c:2948) 
[ 563.329950][ T5910] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 563.330279][ T5910] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 563.330597][ T5910] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 563.330920][ T5910] ? __dev_get_by_name (net/core/dev.c:865) 
[ 563.331246][ T5910] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 563.331573][ T5910] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 563.331906][ T5910] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 563.332221][ T5910] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 563.332541][ T5910] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 563.332868][ T5910] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 563.333200][ T5910] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 563.333532][ T5910] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 563.333852][ T5910] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 563.334201][ T5910] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 563.334523][ T5910] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 563.334841][ T5910] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 563.335169][ T5910] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 563.335492][ T5910] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 563.335806][ T5910] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 563.336134][ T5910] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 563.336467][ T5910] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 563.336782][ T5910] ? 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) 
[ 563.337110][ T5910] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 563.337433][ T5910] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 563.337748][ T5910] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 563.338095][ T5910] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 563.338415][ T5910] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 563.338737][ T5910] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 563.339072][ T5910] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 563.339388][ T5910] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 563.339703][ T5910] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 563.340114][ T5910] ___sys_sendmsg (net/socket.c:2670) 
[ 563.340432][ T5910] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 563.340751][ T5910] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 563.341092][ T5910] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 563.341414][ T5910] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 563.341735][ T5910] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 563.342078][ T5910] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 563.342401][ T5910] __sys_sendmsg (net/socket.c:2700) 
[ 563.342721][ T5910] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 563.343063][ T5910] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 563.343383][ T5910] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 563.343709][ T5910] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  563.344108][ T5910] RIP: 0033:0x7f58759281e7
[ 563.344435][ T5910] 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)
[  563.345542][ T5910] RSP: 002b:00007fff9a25de38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  563.346040][ T5910] RAX: ffffffffffffffda RBX: 00007fff9a25e570 RCX: 00007f58759281e7
[  563.346505][ T5910] RDX: 0000000000000000 RSI: 00007fff9a25dea0 RDI: 0000000000000005
[  563.346982][ T5910] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  563.347448][ T5910] R10: 00007f58759b6ac0 R11: 0000000000000246 R12: 00007fff9a25e5a8
[  563.347941][ T5910] R13: 00000000686e50ea R14: 0000000000499600 R15: 00007fff9a25df90
| [  567.437501][ T5940] ------------[ cut here ]------------
| [ 567.437830][ T5940] WARNING: CPU: 0 PID: 5940 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) 
| [  567.438437][ T5940] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  567.439538][ T5940] Tainted: [W]=WARN
[  567.439770][ T5940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 567.440162][ T5940] 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) 
[ 567.440473][ T5940] 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
[  567.441563][ T5940] RSP: 0018:ffffc9000986f080 EFLAGS: 00010246
[  567.441953][ T5940] RAX: 0000000000000000 RBX: ffff888012392000 RCX: 0000000000000001
[  567.442410][ T5940] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  567.442862][ T5940] RBP: ffffc9000986f168 R08: 0000000000000000 R09: 0000000000000000
[  567.443329][ T5940] R10: ffffc9000986f198 R11: ffffffffbcf8d1e0 R12: 1ffff9200130de14
[  567.443789][ T5940] R13: 00000000000005dc R14: ffffc9000986f198 R15: ffff888012392f48
[  567.444299][ T5940] FS:  00007f9066b0a800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  567.444829][ T5940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  567.445221][ T5940] CR2: 00007f9066cf5ba0 CR3: 0000000015907003 CR4: 0000000000772ef0
[  567.445675][ T5940] PKRU: 55555554
[  567.445909][ T5940] Call Trace:
[  567.446139][ T5940]  <TASK>
[ 567.446296][ T5940] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 567.446595][ T5940] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 567.446926][ T5940] netif_set_mtu (net/core/dev.c:9652) 
[ 567.447257][ T5940] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 567.447577][ T5940] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 567.447806][ T5940] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 567.448127][ T5940] br_add_if (net/bridge/br_if.c:697) 
[ 567.448371][ T5940] do_set_master (net/core/rtnetlink.c:2948) 
[ 567.448673][ T5940] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 567.448989][ T5940] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 567.449292][ T5940] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 567.449592][ T5940] ? __dev_get_by_name (net/core/dev.c:865) 
[ 567.449902][ T5940] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 567.450204][ T5940] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 567.450511][ T5940] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 567.450812][ T5940] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 567.451136][ T5940] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 567.451472][ T5940] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 567.451781][ T5940] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 567.452104][ T5940] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 567.452402][ T5940] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 567.452707][ T5940] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 567.453022][ T5940] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 567.453326][ T5940] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 567.453632][ T5940] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 567.453946][ T5940] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 567.454249][ T5940] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 567.454550][ T5940] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 567.454866][ T5940] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 567.455188][ T5940] ? 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) 
[ 567.455494][ T5940] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 567.455823][ T5940] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 567.456134][ T5940] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 567.456444][ T5940] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 567.456749][ T5940] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 567.457063][ T5940] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 567.457373][ T5940] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 567.457682][ T5940] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 567.458010][ T5940] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 567.458400][ T5940] ___sys_sendmsg (net/socket.c:2670) 
[ 567.458702][ T5940] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 567.459029][ T5940] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 567.459336][ T5940] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 567.459641][ T5940] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 567.459955][ T5940] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 567.460266][ T5940] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 567.460571][ T5940] __sys_sendmsg (net/socket.c:2700) 
[ 567.460872][ T5940] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 567.461209][ T5940] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 567.461516][ T5940] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 567.461822][ T5940] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  567.462218][ T5940] RIP: 0033:0x7f9066cd71e7
[ 567.462529][ T5940] 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)
[  567.463621][ T5940] RSP: 002b:00007fffc3bd6528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  567.464090][ T5940] RAX: ffffffffffffffda RBX: 00007fffc3bd6c60 RCX: 00007f9066cd71e7
[  567.464546][ T5940] RDX: 0000000000000000 RSI: 00007fffc3bd6590 RDI: 0000000000000005
[  567.465006][ T5940] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  567.465480][ T5940] R10: 00007f9066d65ac0 R11: 0000000000000246 R12: 00007fffc3bd6c98
[  567.465940][ T5940] R13: 00000000686e50ef R14: 0000000000499600 R15: 00007fffc3bd6680
| [  583.128167][ T6041] ------------[ cut here ]------------
| [ 583.128537][ T6041] WARNING: CPU: 3 PID: 6041 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) 
| [  583.129169][ T6041] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  583.130303][ T6041] Tainted: [W]=WARN
[  583.130544][ T6041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 583.130952][ T6041] 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) 
[ 583.131301][ T6041] 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
[  583.132975][ T6041] RSP: 0018:ffffc90009c4f080 EFLAGS: 00010246
[  583.133402][ T6041] RAX: 0000000000000000 RBX: ffff8880124fa000 RCX: 0000000000000001
[  583.133871][ T6041] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  583.134359][ T6041] RBP: ffffc90009c4f168 R08: 0000000000000000 R09: 0000000000000000
[  583.134832][ T6041] R10: ffffc90009c4f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001389e14
[  583.135330][ T6041] R13: 00000000000005dc R14: ffffc90009c4f198 R15: ffff8880124faf48
[  583.135805][ T6041] FS:  00007f84cb728800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  583.136379][ T6041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  583.136790][ T6041] CR2: 000000000043d940 CR3: 00000000164a1002 CR4: 0000000000772ef0
[  583.137276][ T6041] PKRU: 55555554
[  583.137516][ T6041] Call Trace:
[  583.137753][ T6041]  <TASK>
[ 583.137929][ T6041] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 583.138246][ T6041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 583.138572][ T6041] netif_set_mtu (net/core/dev.c:9652) 
[ 583.138921][ T6041] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 583.139254][ T6041] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 583.139493][ T6041] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 583.139811][ T6041] br_add_if (net/bridge/br_if.c:697) 
[ 583.140071][ T6041] do_set_master (net/core/rtnetlink.c:2948) 
[ 583.140389][ T6041] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 583.140707][ T6041] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 583.141045][ T6041] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 583.141378][ T6041] ? __dev_get_by_name (net/core/dev.c:865) 
[ 583.141705][ T6041] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 583.142035][ T6041] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 583.142356][ T6041] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 583.142668][ T6041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 583.143010][ T6041] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 583.143335][ T6041] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 583.143662][ T6041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 583.143998][ T6041] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 583.144339][ T6041] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 583.144663][ T6041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 583.144989][ T6041] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 583.145307][ T6041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 583.145625][ T6041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 583.145965][ T6041] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 583.146283][ T6041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 583.146598][ T6041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 583.146950][ T6041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 583.147268][ T6041] ? 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) 
[ 583.147583][ T6041] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 583.147909][ T6041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 583.148234][ T6041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 583.148552][ T6041] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 583.148878][ T6041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 583.149205][ T6041] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 583.149530][ T6041] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 583.149845][ T6041] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 583.150166][ T6041] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 583.150578][ T6041] ___sys_sendmsg (net/socket.c:2670) 
[ 583.150921][ T6041] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 583.151255][ T6041] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 583.151573][ T6041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 583.151903][ T6041] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 583.152226][ T6041] ? __handle_mm_fault (mm/memory.c:6212) 
[ 583.152540][ T6041] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 583.152857][ T6041] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 583.153204][ T6041] __sys_sendmsg (net/socket.c:2700) 
[ 583.153523][ T6041] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 583.153838][ T6041] ? 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) 
[ 583.154166][ T6041] ? 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) 
[ 583.154483][ T6041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 583.154802][ T6041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 583.155146][ T6041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  583.155538][ T6041] RIP: 0033:0x7f84cb8f51e7
[ 583.155867][ T6041] 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)
[  583.157003][ T6041] RSP: 002b:00007fff3a136d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  583.157480][ T6041] RAX: ffffffffffffffda RBX: 00007fff3a1374b0 RCX: 00007f84cb8f51e7
[  583.157955][ T6041] RDX: 0000000000000000 RSI: 00007fff3a136de0 RDI: 0000000000000005
[  583.158429][ T6041] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  583.158922][ T6041] R10: 00007f84cb983ac0 R11: 0000000000000246 R12: 00007fff3a1374e8
[  583.159400][ T6041] R13: 00000000686e50fe R14: 0000000000499600 R15: 00007fff3a136ed0
| [  588.112551][ T6071] ------------[ cut here ]------------
| [ 588.112963][ T6071] WARNING: CPU: 2 PID: 6071 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) 
| [  588.113618][ T6071] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  588.114838][ T6071] Tainted: [W]=WARN
[  588.115109][ T6071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 588.115533][ T6071] 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) 
[ 588.115872][ T6071] 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
[  588.117067][ T6071] RSP: 0018:ffffc90009d8f080 EFLAGS: 00010246
[  588.117493][ T6071] RAX: 0000000000000000 RBX: ffff8880027d2000 RCX: 0000000000000001
[  588.118003][ T6071] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  588.118483][ T6071] RBP: ffffc90009d8f168 R08: 0000000000000000 R09: 0000000000000000
[  588.119182][ T6071] R10: ffffc90009d8f198 R11: ffffffffbcf8d1e0 R12: 1ffff920013b1e14
[  588.119814][ T6071] R13: 00000000000005dc R14: ffffc90009d8f198 R15: ffff8880027d2f48
[  588.120449][ T6071] FS:  00007f4b0a292800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  588.121157][ T6071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  588.121741][ T6071] CR2: 000000000043d940 CR3: 00000000161d4001 CR4: 0000000000772ef0
[  588.122390][ T6071] PKRU: 55555554
[  588.122790][ T6071] Call Trace:
[  588.123052][ T6071]  <TASK>
[ 588.123228][ T6071] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 588.123555][ T6071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 588.123909][ T6071] netif_set_mtu (net/core/dev.c:9652) 
[ 588.124235][ T6071] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 588.124578][ T6071] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 588.124829][ T6071] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 588.125170][ T6071] br_add_if (net/bridge/br_if.c:697) 
[ 588.125438][ T6071] do_set_master (net/core/rtnetlink.c:2948) 
[ 588.125765][ T6071] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 588.126125][ T6071] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 588.126460][ T6071] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 588.126785][ T6071] ? __dev_get_by_name (net/core/dev.c:865) 
[ 588.127125][ T6071] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 588.127455][ T6071] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 588.127798][ T6071] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 588.128134][ T6071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 588.128469][ T6071] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 588.128807][ T6071] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 588.129153][ T6071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 588.129491][ T6071] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 588.129812][ T6071] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 588.130169][ T6071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 588.130512][ T6071] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 588.130847][ T6071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 588.131209][ T6071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 588.131561][ T6071] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 588.131918][ T6071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 588.132253][ T6071] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 588.132600][ T6071] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 588.132947][ T6071] ? 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) 
[ 588.133286][ T6071] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 588.133621][ T6071] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 588.133974][ T6071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 588.134309][ T6071] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 588.134647][ T6071] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 588.135004][ T6071] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 588.135355][ T6071] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 588.135685][ T6071] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 588.136021][ T6071] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 588.136437][ T6071] ___sys_sendmsg (net/socket.c:2670) 
[ 588.136764][ T6071] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 588.137103][ T6071] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 588.137440][ T6071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 588.137771][ T6071] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 588.138123][ T6071] ? __handle_mm_fault (mm/memory.c:6212) 
[ 588.138448][ T6071] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 588.138769][ T6071] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 588.139123][ T6071] __sys_sendmsg (net/socket.c:2700) 
[ 588.139452][ T6071] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 588.139787][ T6071] ? 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) 
[ 588.140170][ T6071] ? 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) 
[ 588.140507][ T6071] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 588.140839][ T6071] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 588.141185][ T6071] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  588.141601][ T6071] RIP: 0033:0x7f4b0a45f1e7
[ 588.141966][ T6071] 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)
[  588.143129][ T6071] RSP: 002b:00007fff484c3ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  588.143617][ T6071] RAX: ffffffffffffffda RBX: 00007fff484c43e0 RCX: 00007f4b0a45f1e7
[  588.144108][ T6071] RDX: 0000000000000000 RSI: 00007fff484c3d10 RDI: 0000000000000005
[  588.144591][ T6071] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  588.145086][ T6071] R10: 00007f4b0a4edac0 R11: 0000000000000246 R12: 00007fff484c4418
[  588.145562][ T6071] R13: 00000000686e5103 R14: 0000000000499600 R15: 00007fff484c3e00
| [  596.715237][ T6136] ------------[ cut here ]------------
| [ 596.715871][ T6136] WARNING: CPU: 3 PID: 6136 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) 
| [  596.716981][ T6136] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  596.718977][ T6136] Tainted: [W]=WARN
[  596.719401][ T6136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 596.720105][ T6136] 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) 
[ 596.720668][ T6136] 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
[  596.722635][ T6136] RSP: 0018:ffffc9000a04f080 EFLAGS: 00010246
[  596.723373][ T6136] RAX: 0000000000000000 RBX: ffff88800f7b2000 RCX: 0000000000000001
[  596.724235][ T6136] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  596.725083][ T6136] RBP: ffffc9000a04f168 R08: 0000000000000000 R09: 0000000000000000
[  596.725955][ T6136] R10: ffffc9000a04f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001409e14
[  596.726786][ T6136] R13: 00000000000005dc R14: ffffc9000a04f198 R15: ffff88800f7b2f48
[  596.727671][ T6136] FS:  00007f44a7da4800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  596.728724][ T6136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  596.729468][ T6136] CR2: 00007f44a7f8fba0 CR3: 0000000015f5e004 CR4: 0000000000772ef0
[  596.730338][ T6136] PKRU: 55555554
[  596.730765][ T6136] Call Trace:
[  596.731223][ T6136]  <TASK>
[ 596.731521][ T6136] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 596.732099][ T6136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 596.732710][ T6136] netif_set_mtu (net/core/dev.c:9652) 
[ 596.733290][ T6136] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 596.733879][ T6136] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 596.734310][ T6136] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 596.734886][ T6136] br_add_if (net/bridge/br_if.c:697) 
[ 596.735377][ T6136] do_set_master (net/core/rtnetlink.c:2948) 
[ 596.735959][ T6136] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 596.736517][ T6136] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 596.737097][ T6136] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 596.737662][ T6136] ? __dev_get_by_name (net/core/dev.c:865) 
[ 596.738233][ T6136] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 596.738867][ T6136] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 596.739452][ T6136] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 596.740013][ T6136] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 596.740568][ T6136] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 596.741145][ T6136] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 596.741720][ T6136] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 596.742292][ T6136] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 596.742828][ T6136] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 596.743393][ T6136] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 596.743951][ T6136] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 596.744494][ T6136] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 596.745049][ T6136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 596.745600][ T6136] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 596.746161][ T6136] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 596.746705][ T6136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 596.747275][ T6136] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 596.747817][ T6136] ? 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) 
[ 596.748382][ T6136] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 596.748947][ T6136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 596.749480][ T6136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 596.750055][ T6136] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 596.750600][ T6136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 596.751261][ T6136] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 596.751842][ T6136] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 596.752425][ T6136] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 596.752996][ T6136] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 596.753714][ T6136] ___sys_sendmsg (net/socket.c:2670) 
[ 596.754300][ T6136] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 596.754877][ T6136] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 596.755467][ T6136] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 596.757390][ T6136] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 596.757996][ T6136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 596.758567][ T6136] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 596.758995][ T6136] __sys_sendmsg (net/socket.c:2700) 
[ 596.759350][ T6136] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 596.759693][ T6136] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 596.760032][ T6136] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 596.760369][ T6136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  596.760771][ T6136] RIP: 0033:0x7f44a7f711e7
[ 596.761115][ T6136] 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)
[  596.763179][ T6136] RSP: 002b:00007ffcd5063928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  596.764874][ T6136] RAX: ffffffffffffffda RBX: 00007ffcd5064060 RCX: 00007f44a7f711e7
[  596.765386][ T6136] RDX: 0000000000000000 RSI: 00007ffcd5063990 RDI: 0000000000000005
[  596.765978][ T6136] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  596.767739][ T6136] R10: 00007f44a7fffac0 R11: 0000000000000246 R12: 00007ffcd5064098
[  596.768588][ T6136] R13: 00000000686e510c R14: 0000000000499600 R15: 00007ffcd5063a80
| [  601.498762][ T6166] ------------[ cut here ]------------
| [ 601.499829][ T6166] WARNING: CPU: 3 PID: 6166 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) 
| [  601.500493][ T6166] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  601.501683][ T6166] Tainted: [W]=WARN
[  601.501935][ T6166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 601.502349][ T6166] 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) 
[ 601.502684][ T6166] 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
[  601.503887][ T6166] RSP: 0018:ffffc9000a1af080 EFLAGS: 00010246
[  601.504327][ T6166] RAX: 0000000000000000 RBX: ffff88800a0d2000 RCX: 0000000000000001
[  601.504810][ T6166] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  601.505329][ T6166] RBP: ffffc9000a1af168 R08: 0000000000000000 R09: 0000000000000000
[  601.505810][ T6166] R10: ffffc9000a1af198 R11: ffffffffbcf8d1e0 R12: 1ffff92001435e14
[  601.506306][ T6166] R13: 00000000000005dc R14: ffffc9000a1af198 R15: ffff88800a0d2f48
[  601.506804][ T6166] FS:  00007fd1f7e1c800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  601.507396][ T6166] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  601.507812][ T6166] CR2: 00007fd1f8007ba0 CR3: 0000000016294003 CR4: 0000000000772ef0
[  601.508310][ T6166] PKRU: 55555554
[  601.508563][ T6166] Call Trace:
[  601.508802][ T6166]  <TASK>
[ 601.508979][ T6166] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 601.509309][ T6166] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 601.509680][ T6166] netif_set_mtu (net/core/dev.c:9652) 
[ 601.510032][ T6166] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 601.510369][ T6166] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 601.510633][ T6166] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 601.510972][ T6166] br_add_if (net/bridge/br_if.c:697) 
[ 601.511239][ T6166] do_set_master (net/core/rtnetlink.c:2948) 
[ 601.511575][ T6166] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 601.511921][ T6166] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 601.512253][ T6166] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 601.512577][ T6166] ? __dev_get_by_name (net/core/dev.c:865) 
[ 601.512914][ T6166] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 601.513234][ T6166] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 601.513583][ T6166] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 601.513915][ T6166] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 601.514241][ T6166] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 601.514588][ T6166] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 601.514945][ T6166] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 601.515283][ T6166] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 601.515629][ T6166] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 601.515968][ T6166] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 601.516290][ T6166] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 601.516627][ T6166] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 601.516969][ T6166] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 601.517297][ T6166] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 601.517631][ T6166] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 601.517965][ T6166] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 601.518298][ T6166] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 601.518623][ T6166] ? 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) 
[ 601.518975][ T6166] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 601.519303][ T6166] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 601.519632][ T6166] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 601.519985][ T6166] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 601.520311][ T6166] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 601.520632][ T6166] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 601.520979][ T6166] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 601.521318][ T6166] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 601.521637][ T6166] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 601.522100][ T6166] ___sys_sendmsg (net/socket.c:2670) 
[ 601.522432][ T6166] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 601.522773][ T6166] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 601.523114][ T6166] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 601.523443][ T6166] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 601.523785][ T6166] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 601.524132][ T6166] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 601.524461][ T6166] __sys_sendmsg (net/socket.c:2700) 
[ 601.524806][ T6166] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 601.525160][ T6166] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 601.525486][ T6166] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 601.525825][ T6166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  601.526238][ T6166] RIP: 0033:0x7fd1f7fe91e7
[ 601.526571][ T6166] 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)
[  601.527755][ T6166] RSP: 002b:00007ffce05985e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  601.528289][ T6166] RAX: ffffffffffffffda RBX: 00007ffce0598d20 RCX: 00007fd1f7fe91e7
[  601.528776][ T6166] RDX: 0000000000000000 RSI: 00007ffce0598650 RDI: 0000000000000005
[  601.529299][ T6166] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  601.529787][ T6166] R10: 00007fd1f8077ac0 R11: 0000000000000246 R12: 00007ffce0598d58
[  601.530304][ T6166] R13: 00000000686e5111 R14: 0000000000499600 R15: 00007ffce0598740
| [  616.706747][ T6268] ------------[ cut here ]------------
| [ 616.707067][ T6268] WARNING: CPU: 0 PID: 6268 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) 
| [  616.707665][ T6268] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  616.710581][ T6268] Tainted: [W]=WARN
[  616.710810][ T6268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 616.711354][ T6268] 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) 
[ 616.711668][ T6268] 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
[  616.713046][ T6268] RSP: 0018:ffffc9000a5cf080 EFLAGS: 00010246
[  616.713429][ T6268] RAX: 0000000000000000 RBX: ffff888005fc2000 RCX: 0000000000000001
[  616.713878][ T6268] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  616.714461][ T6268] RBP: ffffc9000a5cf168 R08: 0000000000000000 R09: 0000000000000000
[  616.714922][ T6268] R10: ffffc9000a5cf198 R11: ffffffffbcf8d1e0 R12: 1ffff920014b9e14
[  616.715370][ T6268] R13: 00000000000005dc R14: ffffc9000a5cf198 R15: ffff888005fc2f48
[  616.715821][ T6268] FS:  00007f332154b800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  616.716355][ T6268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  616.716735][ T6268] CR2: 000000000043d940 CR3: 0000000015dc5004 CR4: 0000000000772ef0
[  616.717195][ T6268] PKRU: 55555554
[  616.717423][ T6268] Call Trace:
[  616.717647][ T6268]  <TASK>
[ 616.717803][ T6268] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 616.718114][ T6268] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 616.718429][ T6268] netif_set_mtu (net/core/dev.c:9652) 
[ 616.718732][ T6268] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 616.719058][ T6268] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 616.719288][ T6268] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 616.719594][ T6268] br_add_if (net/bridge/br_if.c:697) 
[ 616.719834][ T6268] do_set_master (net/core/rtnetlink.c:2948) 
[ 616.720142][ T6268] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 616.720447][ T6268] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 616.720756][ T6268] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 616.721065][ T6268] ? __dev_get_by_name (net/core/dev.c:865) 
[ 616.721375][ T6268] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 616.721675][ T6268] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 616.721990][ T6268] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 616.722289][ T6268] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 616.722595][ T6268] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 616.722916][ T6268] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 616.723229][ T6268] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 616.723541][ T6268] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 616.723842][ T6268] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 616.724153][ T6268] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 616.724453][ T6268] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 616.724755][ T6268] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 616.725070][ T6268] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 616.725383][ T6268] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 616.725682][ T6268] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 616.725993][ T6268] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 616.726308][ T6268] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 616.726630][ T6268] ? 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) 
[ 616.726945][ T6268] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 616.727250][ T6268] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 616.727554][ T6268] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 616.727861][ T6268] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 616.728173][ T6268] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 616.728477][ T6268] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 616.728784][ T6268] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 616.729094][ T6268] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 616.729397][ T6268] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 616.729788][ T6268] ___sys_sendmsg (net/socket.c:2670) 
[ 616.730100][ T6268] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 616.730402][ T6268] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 616.730704][ T6268] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 616.731014][ T6268] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 616.731334][ T6268] ? __handle_mm_fault (mm/memory.c:6212) 
[ 616.731634][ T6268] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 616.731943][ T6268] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 616.732264][ T6268] __sys_sendmsg (net/socket.c:2700) 
[ 616.732565][ T6268] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 616.732866][ T6268] ? 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) 
[ 616.733183][ T6268] ? 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) 
[ 616.733489][ T6268] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 616.733794][ T6268] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 616.734109][ T6268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  616.734483][ T6268] RIP: 0033:0x7f33217181e7
[ 616.734795][ T6268] 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)
[  616.735882][ T6268] RSP: 002b:00007ffccd6930d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  616.736356][ T6268] RAX: ffffffffffffffda RBX: 00007ffccd693810 RCX: 00007f33217181e7
[  616.736809][ T6268] RDX: 0000000000000000 RSI: 00007ffccd693140 RDI: 0000000000000005
[  616.737266][ T6268] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  616.737720][ T6268] R10: 00007f33217a6ac0 R11: 0000000000000246 R12: 00007ffccd693848
[  616.738180][ T6268] R13: 00000000686e5120 R14: 0000000000499600 R15: 00007ffccd693230
| [  620.817831][ T6298] ------------[ cut here ]------------
| [ 620.818161][ T6298] WARNING: CPU: 0 PID: 6298 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) 
| [  620.818819][ T6298] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  620.820683][ T6298] Tainted: [W]=WARN
[  620.820931][ T6298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 620.821338][ T6298] 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) 
[ 620.821674][ T6298] 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
[  620.822814][ T6298] RSP: 0018:ffffc9000a6cf080 EFLAGS: 00010246
[  620.823233][ T6298] RAX: 0000000000000000 RBX: ffff88800f7b2000 RCX: 0000000000000001
[  620.823719][ T6298] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  620.824202][ T6298] RBP: ffffc9000a6cf168 R08: 0000000000000000 R09: 0000000000000000
[  620.824674][ T6298] R10: ffffc9000a6cf198 R11: ffffffffbcf8d1e0 R12: 1ffff920014d9e14
[  620.825160][ T6298] R13: 00000000000005dc R14: ffffc9000a6cf198 R15: ffff88800f7b2f48
[  620.825637][ T6298] FS:  00007f43070c2800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  620.826200][ T6298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  620.826598][ T6298] CR2: 000000000043d940 CR3: 00000000117cd004 CR4: 0000000000772ef0
[  620.827089][ T6298] PKRU: 55555554
[  620.827332][ T6298] Call Trace:
[  620.827572][ T6298]  <TASK>
[ 620.827741][ T6298] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 620.828069][ T6298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 620.828402][ T6298] netif_set_mtu (net/core/dev.c:9652) 
[ 620.828718][ T6298] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 620.829060][ T6298] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 620.829304][ T6298] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 620.829627][ T6298] br_add_if (net/bridge/br_if.c:697) 
[ 620.829884][ T6298] do_set_master (net/core/rtnetlink.c:2948) 
[ 620.830223][ T6298] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 620.830545][ T6298] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 620.830867][ T6298] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 620.831199][ T6298] ? __dev_get_by_name (net/core/dev.c:865) 
[ 620.831538][ T6298] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 620.831856][ T6298] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 620.832185][ T6298] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 620.832509][ T6298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 620.832831][ T6298] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 620.833169][ T6298] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 620.833493][ T6298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 620.833822][ T6298] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 620.834145][ T6298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 620.834465][ T6298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 620.834783][ T6298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 620.835126][ T6298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 620.835449][ T6298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 620.835774][ T6298] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 620.836100][ T6298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 620.836422][ T6298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 620.836753][ T6298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 620.837078][ T6298] ? 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) 
[ 620.837403][ T6298] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 620.837726][ T6298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 620.838053][ T6298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 620.838376][ T6298] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 620.838696][ T6298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 620.839031][ T6298] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 620.839357][ T6298] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 620.839681][ T6298] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 620.840003][ T6298] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 620.840412][ T6298] ___sys_sendmsg (net/socket.c:2670) 
[ 620.840733][ T6298] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 620.841059][ T6298] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 620.841386][ T6298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 620.841709][ T6298] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 620.842052][ T6298] ? __handle_mm_fault (mm/memory.c:6212) 
[ 620.842377][ T6298] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 620.842692][ T6298] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 620.843044][ T6298] __sys_sendmsg (net/socket.c:2700) 
[ 620.843365][ T6298] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 620.843683][ T6298] ? 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) 
[ 620.844015][ T6298] ? 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) 
[ 620.844335][ T6298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 620.844657][ T6298] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 620.844984][ T6298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  620.845377][ T6298] RIP: 0033:0x7f430728f1e7
[ 620.845705][ T6298] 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)
[  620.846876][ T6298] RSP: 002b:00007ffc3a3641c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  620.847374][ T6298] RAX: ffffffffffffffda RBX: 00007ffc3a364900 RCX: 00007f430728f1e7
[  620.847849][ T6298] RDX: 0000000000000000 RSI: 00007ffc3a364230 RDI: 0000000000000005
[  620.848330][ T6298] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  620.848815][ T6298] R10: 00007f430731dac0 R11: 0000000000000246 R12: 00007ffc3a364938
[  620.849301][ T6298] R13: 00000000686e5124 R14: 0000000000499600 R15: 00007ffc3a364320
| [  627.633439][ T6364] ------------[ cut here ]------------
| [ 627.633757][ T6364] WARNING: CPU: 1 PID: 6364 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) 
| [  627.634362][ T6364] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  627.635448][ T6364] Tainted: [W]=WARN
[  627.635691][ T6364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 627.636093][ T6364] 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) 
[ 627.636410][ T6364] 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
[  627.637511][ T6364] RSP: 0018:ffffc9000a9bf080 EFLAGS: 00010246
[  627.637920][ T6364] RAX: 0000000000000000 RBX: ffff88800bde2000 RCX: 0000000000000001
[  627.638379][ T6364] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  627.638834][ T6364] RBP: ffffc9000a9bf168 R08: 0000000000000000 R09: 0000000000000000
[  627.639298][ T6364] R10: ffffc9000a9bf198 R11: ffffffffbcf8d1e0 R12: 1ffff92001537e14
[  627.639759][ T6364] R13: 00000000000005dc R14: ffffc9000a9bf198 R15: ffff88800bde2f48
[  627.640227][ T6364] FS:  00007f3c0431e800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  627.640766][ T6364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  627.641160][ T6364] CR2: 00007f3c04509ba0 CR3: 0000000010b47001 CR4: 0000000000772ef0
[  627.641630][ T6364] PKRU: 55555554
[  627.641864][ T6364] Call Trace:
[  627.642108][ T6364]  <TASK>
[ 627.642267][ T6364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 627.642571][ T6364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 627.642886][ T6364] netif_set_mtu (net/core/dev.c:9652) 
[ 627.643200][ T6364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 627.643520][ T6364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 627.643752][ T6364] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 627.644072][ T6364] br_add_if (net/bridge/br_if.c:697) 
[ 627.644317][ T6364] do_set_master (net/core/rtnetlink.c:2948) 
[ 627.644620][ T6364] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 627.644936][ T6364] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 627.645245][ T6364] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 627.645545][ T6364] ? __dev_get_by_name (net/core/dev.c:865) 
[ 627.645847][ T6364] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 627.646155][ T6364] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 627.646472][ T6364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 627.646773][ T6364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 627.647088][ T6364] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 627.647401][ T6364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 627.647710][ T6364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 627.648036][ T6364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 627.648337][ T6364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 627.648644][ T6364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 627.648960][ T6364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 627.649266][ T6364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 627.649574][ T6364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 627.649884][ T6364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 627.650197][ T6364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 627.650500][ T6364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 627.650814][ T6364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 627.651134][ T6364] ? 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) 
[ 627.651449][ T6364] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 627.651756][ T6364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 627.652074][ T6364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 627.652383][ T6364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 627.652690][ T6364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 627.653007][ T6364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 627.653327][ T6364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 627.653635][ T6364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 627.653955][ T6364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 627.654348][ T6364] ___sys_sendmsg (net/socket.c:2670) 
[ 627.654666][ T6364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 627.654989][ T6364] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 627.655301][ T6364] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 627.655609][ T6364] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 627.655937][ T6364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 627.656255][ T6364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 627.656564][ T6364] __sys_sendmsg (net/socket.c:2700) 
[ 627.656869][ T6364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 627.657207][ T6364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 627.657521][ T6364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 627.657834][ T6364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  627.658222][ T6364] RIP: 0033:0x7f3c044eb1e7
[ 627.658574][ T6364] 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)
[  627.659675][ T6364] RSP: 002b:00007ffc8faff968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  627.660156][ T6364] RAX: ffffffffffffffda RBX: 00007ffc8fb000a0 RCX: 00007f3c044eb1e7
[  627.660613][ T6364] RDX: 0000000000000000 RSI: 00007ffc8faff9d0 RDI: 0000000000000005
[  627.661076][ T6364] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  627.661542][ T6364] R10: 00007f3c04579ac0 R11: 0000000000000246 R12: 00007ffc8fb000d8
[  627.662014][ T6364] R13: 00000000686e512b R14: 0000000000499600 R15: 00007ffc8faffac0
| [  631.828890][ T6394] ------------[ cut here ]------------
| [ 631.829233][ T6394] WARNING: CPU: 0 PID: 6394 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) 
| [  631.829839][ T6394] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  631.832263][ T6394] Tainted: [W]=WARN
[  631.832501][ T6394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 631.832882][ T6394] 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) 
[ 631.833206][ T6394] 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
[  631.834311][ T6394] RSP: 0018:ffffc9000ab1f080 EFLAGS: 00010246
[  631.834704][ T6394] RAX: 0000000000000000 RBX: ffff8880124d2000 RCX: 0000000000000001
[  631.835180][ T6394] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  631.835633][ T6394] RBP: ffffc9000ab1f168 R08: 0000000000000000 R09: 0000000000000000
[  631.836093][ T6394] R10: ffffc9000ab1f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001563e14
[  631.836547][ T6394] R13: 00000000000005dc R14: ffffc9000ab1f198 R15: ffff8880124d2f48
[  631.837012][ T6394] FS:  00007f21cdc29800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  631.837540][ T6394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  631.837929][ T6394] CR2: 00007f21cde14ba0 CR3: 000000001653b006 CR4: 0000000000772ef0
[  631.838387][ T6394] PKRU: 55555554
[  631.838614][ T6394] Call Trace:
[  631.838850][ T6394]  <TASK>
[ 631.839018][ T6394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 631.839330][ T6394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 631.839646][ T6394] netif_set_mtu (net/core/dev.c:9652) 
[ 631.839959][ T6394] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 631.840280][ T6394] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 631.840512][ T6394] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 631.840819][ T6394] br_add_if (net/bridge/br_if.c:697) 
[ 631.841067][ T6394] do_set_master (net/core/rtnetlink.c:2948) 
[ 631.841387][ T6394] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 631.841694][ T6394] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 631.842007][ T6394] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 631.842341][ T6394] ? __dev_get_by_name (net/core/dev.c:865) 
[ 631.842646][ T6394] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 631.842957][ T6394] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 631.843264][ T6394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 631.843564][ T6394] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 631.843877][ T6394] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 631.844199][ T6394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 631.844509][ T6394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 631.844823][ T6394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 631.845131][ T6394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 631.845441][ T6394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 631.845742][ T6394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 631.846065][ T6394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 631.846374][ T6394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 631.846683][ T6394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 631.846994][ T6394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 631.847299][ T6394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 631.847611][ T6394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 631.847926][ T6394] ? 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) 
[ 631.848238][ T6394] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 631.848545][ T6394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 631.848847][ T6394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 631.849163][ T6394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 631.849470][ T6394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 631.849776][ T6394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 631.850102][ T6394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 631.850411][ T6394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 631.850718][ T6394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 631.851122][ T6394] ___sys_sendmsg (net/socket.c:2670) 
[ 631.851440][ T6394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 631.851747][ T6394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 631.852066][ T6394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 631.852367][ T6394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 631.852681][ T6394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 631.853001][ T6394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 631.853311][ T6394] __sys_sendmsg (net/socket.c:2700) 
[ 631.853615][ T6394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 631.853942][ T6394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 631.854251][ T6394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 631.854557][ T6394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  631.854949][ T6394] RIP: 0033:0x7f21cddf61e7
[ 631.855277][ T6394] 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)
[  631.856374][ T6394] RSP: 002b:00007ffd2b318ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  631.856830][ T6394] RAX: ffffffffffffffda RBX: 00007ffd2b3193e0 RCX: 00007f21cddf61e7
[  631.857294][ T6394] RDX: 0000000000000000 RSI: 00007ffd2b318d10 RDI: 0000000000000005
[  631.857752][ T6394] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  631.858212][ T6394] R10: 00007f21cde84ac0 R11: 0000000000000246 R12: 00007ffd2b319418
[  631.858669][ T6394] R13: 00000000686e512f R14: 0000000000499600 R15: 00007ffd2b318e00
| [  646.654737][ T6496] ------------[ cut here ]------------
| [ 646.655098][ T6496] WARNING: CPU: 2 PID: 6496 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) 
| [  646.655742][ T6496] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  646.656952][ T6496] Tainted: [W]=WARN
[  646.657216][ T6496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 646.657632][ T6496] 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) 
[ 646.658695][ T6496] 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
[  646.659854][ T6496] RSP: 0018:ffffc9000aecf080 EFLAGS: 00010246
[  646.660280][ T6496] RAX: 0000000000000000 RBX: ffff88800c6ca000 RCX: 0000000000000001
[  646.660766][ T6496] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  646.661283][ T6496] RBP: ffffc9000aecf168 R08: 0000000000000000 R09: 0000000000000000
[  646.661779][ T6496] R10: ffffc9000aecf198 R11: ffffffffbcf8d1e0 R12: 1ffff920015d9e14
[  646.662274][ T6496] R13: 00000000000005dc R14: ffffc9000aecf198 R15: ffff88800c6caf48
[  646.662763][ T6496] FS:  00007fd599d47800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  646.663341][ T6496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  646.663753][ T6496] CR2: 000000000043d940 CR3: 0000000015e92002 CR4: 0000000000772ef0
[  646.664249][ T6496] PKRU: 55555554
[  646.664499][ T6496] Call Trace:
[  646.664750][ T6496]  <TASK>
[ 646.664944][ T6496] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 646.665284][ T6496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 646.665636][ T6496] netif_set_mtu (net/core/dev.c:9652) 
[ 646.665977][ T6496] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 646.666323][ T6496] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 646.666576][ T6496] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 646.666919][ T6496] br_add_if (net/bridge/br_if.c:697) 
[ 646.667182][ T6496] do_set_master (net/core/rtnetlink.c:2948) 
[ 646.667511][ T6496] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 646.667849][ T6496] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 646.668193][ T6496] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 646.668519][ T6496] ? __dev_get_by_name (net/core/dev.c:865) 
[ 646.668848][ T6496] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 646.669194][ T6496] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 646.669536][ T6496] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 646.669866][ T6496] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 646.670214][ T6496] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 646.670559][ T6496] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 646.670904][ T6496] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 646.671247][ T6496] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 646.671590][ T6496] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 646.671931][ T6496] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 646.672260][ T6496] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 646.672598][ T6496] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 646.672957][ T6496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 646.673293][ T6496] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 646.673629][ T6496] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 646.673974][ T6496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 646.674315][ T6496] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 646.674645][ T6496] ? 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) 
[ 646.674986][ T6496] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 646.675327][ T6496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 646.675657][ T6496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 646.676044][ T6496] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 646.676380][ T6496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 646.676711][ T6496] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 646.677064][ T6496] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 646.677401][ T6496] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 646.677728][ T6496] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 646.678165][ T6496] ___sys_sendmsg (net/socket.c:2670) 
[ 646.678495][ T6496] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 646.678827][ T6496] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 646.679170][ T6496] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 646.679501][ T6496] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 646.679832][ T6496] ? __handle_mm_fault (mm/memory.c:6212) 
[ 646.680175][ T6496] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 646.680501][ T6496] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 646.680852][ T6496] __sys_sendmsg (net/socket.c:2700) 
[ 646.681201][ T6496] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 646.681552][ T6496] ? 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) 
[ 646.681887][ T6496] ? 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) 
[ 646.682233][ T6496] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 646.682569][ T6496] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 646.682911][ T6496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  646.683316][ T6496] RIP: 0033:0x7fd599f141e7
[ 646.683655][ T6496] 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)
[  646.684807][ T6496] RSP: 002b:00007ffd0a9401c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  646.685315][ T6496] RAX: ffffffffffffffda RBX: 00007ffd0a940900 RCX: 00007fd599f141e7
[  646.685801][ T6496] RDX: 0000000000000000 RSI: 00007ffd0a940230 RDI: 0000000000000005
[  646.686298][ T6496] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  646.686786][ T6496] R10: 00007fd599fa2ac0 R11: 0000000000000246 R12: 00007ffd0a940938
[  646.687286][ T6496] R13: 00000000686e513e R14: 0000000000499600 R15: 00007ffd0a940320
| [  650.555677][ T6526] ------------[ cut here ]------------
| [ 650.556818][ T6526] WARNING: CPU: 2 PID: 6526 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) 
| [  650.557477][ T6526] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  650.558845][ T6526] Tainted: [W]=WARN
[  650.559114][ T6526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 650.559522][ T6526] 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) 
[ 650.559852][ T6526] 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
[  650.560987][ T6526] RSP: 0018:ffffc9000b02f080 EFLAGS: 00010246
[  650.561410][ T6526] RAX: 0000000000000000 RBX: ffff88800bde2000 RCX: 0000000000000001
[  650.561926][ T6526] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  650.562395][ T6526] RBP: ffffc9000b02f168 R08: 0000000000000000 R09: 0000000000000000
[  650.562870][ T6526] R10: ffffc9000b02f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001605e14
[  650.563361][ T6526] R13: 00000000000005dc R14: ffffc9000b02f198 R15: ffff88800bde2f48
[  650.563857][ T6526] FS:  00007f35cb5c8800(0000) GS:ffff8880ae499000(0000) knlGS:0000000000000000
[  650.564416][ T6526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  650.564837][ T6526] CR2: 000000000043d940 CR3: 0000000015ef1001 CR4: 0000000000772ef0
[  650.565318][ T6526] PKRU: 55555554
[  650.565616][ T6526] Call Trace:
[  650.565906][ T6526]  <TASK>
[ 650.566081][ T6526] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 650.566405][ T6526] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 650.566751][ T6526] netif_set_mtu (net/core/dev.c:9652) 
[ 650.567094][ T6526] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 650.567451][ T6526] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 650.567707][ T6526] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 650.568043][ T6526] br_add_if (net/bridge/br_if.c:697) 
[ 650.568296][ T6526] do_set_master (net/core/rtnetlink.c:2948) 
[ 650.568631][ T6526] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 650.568973][ T6526] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 650.569290][ T6526] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 650.569621][ T6526] ? __dev_get_by_name (net/core/dev.c:865) 
[ 650.569948][ T6526] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 650.570271][ T6526] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 650.570609][ T6526] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 650.570947][ T6526] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 650.571289][ T6526] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 650.571641][ T6526] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 650.571978][ T6526] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 650.572308][ T6526] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 650.572642][ T6526] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 650.572975][ T6526] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 650.573287][ T6526] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 650.573697][ T6526] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 650.574040][ T6526] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 650.574365][ T6526] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 650.574699][ T6526] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 650.575042][ T6526] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 650.575377][ T6526] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 650.575708][ T6526] ? 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) 
[ 650.576042][ T6526] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 650.576364][ T6526] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 650.576691][ T6526] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 650.577026][ T6526] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 650.577346][ T6526] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 650.577684][ T6526] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 650.578020][ T6526] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 650.578338][ T6526] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 650.578674][ T6526] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 650.579101][ T6526] ___sys_sendmsg (net/socket.c:2670) 
[ 650.579426][ T6526] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 650.579761][ T6526] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 650.580090][ T6526] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 650.580405][ T6526] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 650.580747][ T6526] ? __handle_mm_fault (mm/memory.c:6212) 
[ 650.581077][ T6526] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 650.581405][ T6526] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 650.581760][ T6526] __sys_sendmsg (net/socket.c:2700) 
[ 650.582091][ T6526] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 650.582407][ T6526] ? 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) 
[ 650.582793][ T6526] ? 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) 
[ 650.583143][ T6526] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 650.583488][ T6526] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 650.583809][ T6526] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  650.584208][ T6526] RIP: 0033:0x7f35cb7951e7
[ 650.584549][ T6526] 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)
[  650.585683][ T6526] RSP: 002b:00007ffdc376eb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  650.586159][ T6526] RAX: ffffffffffffffda RBX: 00007ffdc376f2c0 RCX: 00007f35cb7951e7
[  650.586638][ T6526] RDX: 0000000000000000 RSI: 00007ffdc376ebf0 RDI: 0000000000000005
[  650.587126][ T6526] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  650.587624][ T6526] R10: 00007f35cb823ac0 R11: 0000000000000246 R12: 00007ffdc376f2f8
[  650.588101][ T6526] R13: 00000000686e5142 R14: 0000000000499600 R15: 00007ffdc376ece0
| [  657.657995][ T6592] ------------[ cut here ]------------
| [ 657.658345][ T6592] WARNING: CPU: 3 PID: 6592 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) 
| [  657.659025][ T6592] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  657.660212][ T6592] Tainted: [W]=WARN
[  657.660458][ T6592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 657.660907][ T6592] 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) 
[ 657.661244][ T6592] 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
[  657.662440][ T6592] RSP: 0018:ffffc9000b2af080 EFLAGS: 00010246
[  657.662866][ T6592] RAX: 0000000000000000 RBX: ffff888010512000 RCX: 0000000000000001
[  657.663363][ T6592] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  657.663872][ T6592] RBP: ffffc9000b2af168 R08: 0000000000000000 R09: 0000000000000000
[  657.664368][ T6592] R10: ffffc9000b2af198 R11: ffffffffbcf8d1e0 R12: 1ffff92001655e14
[  657.664869][ T6592] R13: 00000000000005dc R14: ffffc9000b2af198 R15: ffff888010512f48
[  657.665360][ T6592] FS:  00007f42adbec800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  657.665955][ T6592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  657.666364][ T6592] CR2: 00007f42addd7ba0 CR3: 000000000f445004 CR4: 0000000000772ef0
[  657.666886][ T6592] PKRU: 55555554
[  657.667142][ T6592] Call Trace:
[  657.667387][ T6592]  <TASK>
[ 657.667556][ T6592] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 657.667905][ T6592] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 657.668252][ T6592] netif_set_mtu (net/core/dev.c:9652) 
[ 657.668574][ T6592] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 657.668941][ T6592] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 657.669190][ T6592] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 657.669521][ T6592] br_add_if (net/bridge/br_if.c:697) 
[ 657.669779][ T6592] do_set_master (net/core/rtnetlink.c:2948) 
[ 657.670122][ T6592] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 657.670451][ T6592] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 657.670785][ T6592] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 657.671123][ T6592] ? __dev_get_by_name (net/core/dev.c:865) 
[ 657.671461][ T6592] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 657.671783][ T6592] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 657.672146][ T6592] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 657.672469][ T6592] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 657.672800][ T6592] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 657.673190][ T6592] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 657.673534][ T6592] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 657.673871][ T6592] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 657.674217][ T6592] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 657.674546][ T6592] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 657.674868][ T6592] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 657.675210][ T6592] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 657.675543][ T6592] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 657.675881][ T6592] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 657.676229][ T6592] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 657.676554][ T6592] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 657.676906][ T6592] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 657.677241][ T6592] ? 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) 
[ 657.677569][ T6592] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 657.677910][ T6592] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 657.678279][ T6592] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 657.678608][ T6592] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 657.678950][ T6592] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 657.679306][ T6592] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 657.679638][ T6592] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 657.679976][ T6592] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 657.680310][ T6592] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 657.680733][ T6592] ___sys_sendmsg (net/socket.c:2670) 
[ 657.681082][ T6592] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 657.681424][ T6592] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 657.681751][ T6592] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 657.682096][ T6592] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 657.682428][ T6592] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 657.682763][ T6592] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 657.683123][ T6592] __sys_sendmsg (net/socket.c:2700) 
[ 657.683449][ T6592] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 657.683788][ T6592] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 657.684138][ T6592] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 657.684469][ T6592] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  657.684873][ T6592] RIP: 0033:0x7f42addb91e7
[ 657.685246][ T6592] 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)
[  657.686440][ T6592] RSP: 002b:00007ffeb6ee1cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  657.686944][ T6592] RAX: ffffffffffffffda RBX: 00007ffeb6ee2430 RCX: 00007f42addb91e7
[  657.687448][ T6592] RDX: 0000000000000000 RSI: 00007ffeb6ee1d60 RDI: 0000000000000005
[  657.687958][ T6592] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  657.688471][ T6592] R10: 00007f42ade47ac0 R11: 0000000000000246 R12: 00007ffeb6ee2468
[  657.688968][ T6592] R13: 00000000686e5149 R14: 0000000000499600 R15: 00007ffeb6ee1e50
| [  661.653543][ T6622] ------------[ cut here ]------------
| [ 661.653854][ T6622] WARNING: CPU: 0 PID: 6622 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) 
| [  661.654469][ T6622] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  661.655578][ T6622] Tainted: [W]=WARN
[  661.655811][ T6622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 661.656209][ T6622] 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) 
[ 661.656532][ T6622] 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
[  661.657615][ T6622] RSP: 0018:ffffc9000b14f080 EFLAGS: 00010246
[  661.658005][ T6622] RAX: 0000000000000000 RBX: ffff88800b81a000 RCX: 0000000000000001
[  661.658463][ T6622] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  661.658923][ T6622] RBP: ffffc9000b14f168 R08: 0000000000000000 R09: 0000000000000000
[  661.659376][ T6622] R10: ffffc9000b14f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001629e14
[  661.659827][ T6622] R13: 00000000000005dc R14: ffffc9000b14f198 R15: ffff88800b81af48
[  661.660434][ T6622] FS:  00007f7e45600800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  661.661105][ T6622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  661.661493][ T6622] CR2: 00007f7e45700130 CR3: 0000000016041005 CR4: 0000000000772ef0
[  661.662091][ T6622] PKRU: 55555554
[  661.662321][ T6622] Call Trace:
[  661.662548][ T6622]  <TASK>
[ 661.662703][ T6622] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 661.663166][ T6622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 661.663486][ T6622] netif_set_mtu (net/core/dev.c:9652) 
[ 661.663789][ T6622] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 661.664251][ T6622] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 661.664482][ T6622] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 661.664788][ T6622] br_add_if (net/bridge/br_if.c:697) 
[ 661.665166][ T6622] do_set_master (net/core/rtnetlink.c:2948) 
[ 661.665468][ T6622] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 661.665776][ T6622] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 661.666132][ T6622] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 661.666432][ T6622] ? __dev_get_by_name (net/core/dev.c:865) 
[ 661.666756][ T6622] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 661.667067][ T6622] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 661.667377][ T6622] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 661.667673][ T6622] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 661.667995][ T6622] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 661.668311][ T6622] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 661.668616][ T6622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 661.668938][ T6622] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 661.669240][ T6622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 661.669542][ T6622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 661.669841][ T6622] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 661.670150][ T6622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 661.670462][ T6622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 661.670767][ T6622] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 661.671073][ T6622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 661.671383][ T6622] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 661.671695][ T6622] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 661.672003][ T6622] ? 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) 
[ 661.672315][ T6622] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 661.672620][ T6622] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 661.672927][ T6622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 661.673234][ T6622] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 661.673540][ T6622] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 661.673844][ T6622] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 661.674159][ T6622] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 661.674464][ T6622] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 661.674771][ T6622] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 661.675165][ T6622] ___sys_sendmsg (net/socket.c:2670) 
[ 661.675470][ T6622] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 661.675780][ T6622] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 661.676094][ T6622] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 661.676395][ T6622] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 661.676705][ T6622] ? __handle_mm_fault (mm/memory.c:6212) 
[ 661.677013][ T6622] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 661.677312][ T6622] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 661.677639][ T6622] __sys_sendmsg (net/socket.c:2700) 
[ 661.677946][ T6622] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 661.678247][ T6622] ? 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) 
[ 661.678554][ T6622] ? 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) 
[ 661.678860][ T6622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 661.679171][ T6622] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 661.679473][ T6622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  661.679845][ T6622] RIP: 0033:0x7f7e457cd1e7
[ 661.680173][ T6622] 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)
[  661.681275][ T6622] RSP: 002b:00007ffcc662c4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  661.681737][ T6622] RAX: ffffffffffffffda RBX: 00007ffcc662cc20 RCX: 00007f7e457cd1e7
[  661.682195][ T6622] RDX: 0000000000000000 RSI: 00007ffcc662c550 RDI: 0000000000000005
[  661.682646][ T6622] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  661.683112][ T6622] R10: 00007f7e4585bac0 R11: 0000000000000246 R12: 00007ffcc662cc58
[  661.683563][ T6622] R13: 00000000686e514d R14: 0000000000499600 R15: 00007ffcc662c640
| [  676.385227][ T6725] ------------[ cut here ]------------
| [ 676.385538][ T6725] WARNING: CPU: 3 PID: 6725 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) 
| [  676.386939][ T6725] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  676.388023][ T6725] Tainted: [W]=WARN
[  676.388250][ T6725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 676.388630][ T6725] 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) 
[ 676.388962][ T6725] 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
[  676.390046][ T6725] RSP: 0018:ffffc9000a3cf080 EFLAGS: 00010246
[  676.390430][ T6725] RAX: 0000000000000000 RBX: ffff888012752000 RCX: 0000000000000001
[  676.390888][ T6725] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  676.391352][ T6725] RBP: ffffc9000a3cf168 R08: 0000000000000000 R09: 0000000000000000
[  676.391804][ T6725] R10: ffffc9000a3cf198 R11: ffffffffbcf8d1e0 R12: 1ffff92001479e14
[  676.392263][ T6725] R13: 00000000000005dc R14: ffffc9000a3cf198 R15: ffff888012752f48
[  676.392720][ T6725] FS:  00007f2cfc720800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  676.393259][ T6725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  676.393638][ T6725] CR2: 00007f2cfc820130 CR3: 000000000f5e9001 CR4: 0000000000772ef0
[  676.394100][ T6725] PKRU: 55555554
[  676.394333][ T6725] Call Trace:
[  676.394681][ T6725]  <TASK>
[ 676.394971][ T6725] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 676.395502][ T6725] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 676.395859][ T6725] netif_set_mtu (net/core/dev.c:9652) 
[ 676.396179][ T6725] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 676.396507][ T6725] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 676.396739][ T6725] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 676.397056][ T6725] br_add_if (net/bridge/br_if.c:697) 
[ 676.397296][ T6725] do_set_master (net/core/rtnetlink.c:2948) 
[ 676.397608][ T6725] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 676.397925][ T6725] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 676.398231][ T6725] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 676.398530][ T6725] ? __dev_get_by_name (net/core/dev.c:865) 
[ 676.398834][ T6725] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 676.399144][ T6725] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 676.399452][ T6725] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 676.399758][ T6725] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 676.400076][ T6725] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 676.400392][ T6725] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 676.400701][ T6725] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 676.401019][ T6725] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 676.401324][ T6725] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 676.401630][ T6725] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 676.401940][ T6725] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 676.402248][ T6725] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 676.402554][ T6725] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 676.402861][ T6725] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 676.403174][ T6725] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 676.403479][ T6725] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 676.403794][ T6725] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 676.404132][ T6725] ? 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) 
[ 676.404445][ T6725] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 676.404751][ T6725] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 676.405063][ T6725] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 676.405370][ T6725] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 676.405675][ T6725] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 676.405988][ T6725] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 676.406297][ T6725] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 676.406605][ T6725] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 676.406916][ T6725] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 676.407304][ T6725] ___sys_sendmsg (net/socket.c:2670) 
[ 676.407609][ T6725] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 676.407922][ T6725] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 676.408229][ T6725] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 676.408529][ T6725] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 676.408840][ T6725] ? __handle_mm_fault (mm/memory.c:6212) 
[ 676.409152][ T6725] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 676.409451][ T6725] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 676.409776][ T6725] __sys_sendmsg (net/socket.c:2700) 
[ 676.410090][ T6725] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 676.410395][ T6725] ? 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) 
[ 676.410706][ T6725] ? 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) 
[ 676.411029][ T6725] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 676.411345][ T6725] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 676.411652][ T6725] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  676.412042][ T6725] RIP: 0033:0x7f2cfc8ed1e7
[ 676.412357][ T6725] 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)
[  676.413449][ T6725] RSP: 002b:00007ffdded6cae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  676.413919][ T6725] RAX: ffffffffffffffda RBX: 00007ffdded6d220 RCX: 00007f2cfc8ed1e7
[  676.414371][ T6725] RDX: 0000000000000000 RSI: 00007ffdded6cb50 RDI: 0000000000000005
[  676.414970][ T6725] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  676.415437][ T6725] R10: 00007f2cfc97bac0 R11: 0000000000000246 R12: 00007ffdded6d258
[  676.415890][ T6725] R13: 00000000686e515b R14: 0000000000499600 R15: 00007ffdded6cc40
| [  680.345158][ T6755] ------------[ cut here ]------------
| [ 680.345466][ T6755] WARNING: CPU: 3 PID: 6755 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) 
| [  680.346077][ T6755] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  680.347161][ T6755] Tainted: [W]=WARN
[  680.347393][ T6755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 680.347767][ T6755] 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) 
[ 680.348082][ T6755] 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
[  680.349156][ T6755] RSP: 0018:ffffc9000b08f080 EFLAGS: 00010246
[  680.349544][ T6755] RAX: 0000000000000000 RBX: ffff888010512000 RCX: 0000000000000001
[  680.350002][ T6755] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  680.350456][ T6755] RBP: ffffc9000b08f168 R08: 0000000000000000 R09: 0000000000000000
[  680.350917][ T6755] R10: ffffc9000b08f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001611e14
[  680.351385][ T6755] R13: 00000000000005dc R14: ffffc9000b08f198 R15: ffff888010512f48
[  680.351837][ T6755] FS:  00007f1ffde23800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  680.352370][ T6755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  680.352754][ T6755] CR2: 000000000043d940 CR3: 000000000a063005 CR4: 0000000000772ef0
[  680.353219][ T6755] PKRU: 55555554
[  680.353446][ T6755] Call Trace:
[  680.353674][ T6755]  <TASK>
[ 680.353833][ T6755] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 680.354149][ T6755] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 680.354463][ T6755] netif_set_mtu (net/core/dev.c:9652) 
[ 680.354765][ T6755] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 680.355088][ T6755] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 680.355320][ T6755] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 680.355626][ T6755] br_add_if (net/bridge/br_if.c:697) 
[ 680.355864][ T6755] do_set_master (net/core/rtnetlink.c:2948) 
[ 680.356174][ T6755] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 680.356492][ T6755] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 680.356796][ T6755] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 680.357104][ T6755] ? __dev_get_by_name (net/core/dev.c:865) 
[ 680.357421][ T6755] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 680.357722][ T6755] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 680.358037][ T6755] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 680.358336][ T6755] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 680.358647][ T6755] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 680.358966][ T6755] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 680.359274][ T6755] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 680.359585][ T6755] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 680.359883][ T6755] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 680.360193][ T6755] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 680.360494][ T6755] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 680.360801][ T6755] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 680.361112][ T6755] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 680.361432][ T6755] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 680.361733][ T6755] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 680.362043][ T6755] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 680.362356][ T6755] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 680.362656][ T6755] ? 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) 
[ 680.362970][ T6755] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 680.363274][ T6755] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 680.363572][ T6755] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 680.363878][ T6755] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 680.364189][ T6755] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 680.364491][ T6755] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 680.364796][ T6755] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 680.365106][ T6755] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 680.365413][ T6755] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 680.365797][ T6755] ___sys_sendmsg (net/socket.c:2670) 
[ 680.366107][ T6755] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 680.366408][ T6755] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 680.366711][ T6755] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 680.367045][ T6755] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 680.367363][ T6755] ? __handle_mm_fault (mm/memory.c:6212) 
[ 680.367665][ T6755] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 680.367974][ T6755] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 680.368301][ T6755] __sys_sendmsg (net/socket.c:2700) 
[ 680.368601][ T6755] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 680.368912][ T6755] ? 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) 
[ 680.369222][ T6755] ? 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) 
[ 680.369530][ T6755] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 680.369833][ T6755] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 680.370144][ T6755] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  680.370517][ T6755] RIP: 0033:0x7f1ffdff01e7
[ 680.370827][ T6755] 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)
[  680.371925][ T6755] RSP: 002b:00007ffee131ff88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  680.372376][ T6755] RAX: ffffffffffffffda RBX: 00007ffee13206c0 RCX: 00007f1ffdff01e7
[  680.372826][ T6755] RDX: 0000000000000000 RSI: 00007ffee131fff0 RDI: 0000000000000005
[  680.373285][ T6755] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  680.373739][ T6755] R10: 00007f1ffe07eac0 R11: 0000000000000246 R12: 00007ffee13206f8
[  680.374199][ T6755] R13: 00000000686e515f R14: 0000000000499600 R15: 00007ffee13200e0
| [  687.310258][ T6821] ------------[ cut here ]------------
| [ 687.310569][ T6821] WARNING: CPU: 0 PID: 6821 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) 
| [  687.311195][ T6821] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  687.312360][ T6821] Tainted: [W]=WARN
[  687.312591][ T6821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 687.312977][ T6821] 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) 
[ 687.313291][ T6821] 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
[  687.314413][ T6821] RSP: 0018:ffffc9000ab4f080 EFLAGS: 00010246
[  687.314817][ T6821] RAX: 0000000000000000 RBX: ffff888009252000 RCX: 0000000000000001
[  687.315300][ T6821] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  687.315786][ T6821] RBP: ffffc9000ab4f168 R08: 0000000000000000 R09: 0000000000000000
[  687.316274][ T6821] R10: ffffc9000ab4f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001569e14
[  687.316754][ T6821] R13: 00000000000005dc R14: ffffc9000ab4f198 R15: ffff888009252f48
[  687.317214][ T6821] FS:  00007efd5fe5f800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  687.317749][ T6821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  687.318143][ T6821] CR2: 00007efd6004aba0 CR3: 00000000120bb002 CR4: 0000000000772ef0
[  687.318596][ T6821] PKRU: 55555554
[  687.318831][ T6821] Call Trace:
[  687.319082][ T6821]  <TASK>
[ 687.319248][ T6821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 687.319555][ T6821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 687.319873][ T6821] netif_set_mtu (net/core/dev.c:9652) 
[ 687.320190][ T6821] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 687.320508][ T6821] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 687.320738][ T6821] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 687.321060][ T6821] br_add_if (net/bridge/br_if.c:697) 
[ 687.321299][ T6821] do_set_master (net/core/rtnetlink.c:2948) 
[ 687.321609][ T6821] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 687.321933][ T6821] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 687.322248][ T6821] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 687.322549][ T6821] ? __dev_get_by_name (net/core/dev.c:865) 
[ 687.322858][ T6821] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 687.323170][ T6821] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 687.323477][ T6821] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 687.323778][ T6821] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 687.324093][ T6821] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 687.324406][ T6821] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 687.324720][ T6821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 687.325052][ T6821] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 687.325353][ T6821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 687.325656][ T6821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 687.325983][ T6821] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 687.326293][ T6821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 687.326598][ T6821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 687.326926][ T6821] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 687.327229][ T6821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 687.327532][ T6821] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 687.327851][ T6821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 687.328160][ T6821] ? 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) 
[ 687.328464][ T6821] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 687.328772][ T6821] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 687.329093][ T6821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 687.329402][ T6821] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 687.329707][ T6821] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 687.330020][ T6821] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 687.330330][ T6821] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 687.330632][ T6821] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 687.330951][ T6821] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 687.331348][ T6821] ___sys_sendmsg (net/socket.c:2670) 
[ 687.331657][ T6821] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 687.331972][ T6821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 687.332275][ T6821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 687.332573][ T6821] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 687.332882][ T6821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 687.333203][ T6821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 687.333508][ T6821] __sys_sendmsg (net/socket.c:2700) 
[ 687.333819][ T6821] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 687.334142][ T6821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 687.334453][ T6821] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 687.334759][ T6821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  687.335143][ T6821] RIP: 0033:0x7efd6002c1e7
[ 687.335454][ T6821] 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)
[  687.336552][ T6821] RSP: 002b:00007ffe08fe37a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  687.337021][ T6821] RAX: ffffffffffffffda RBX: 00007ffe08fe3ee0 RCX: 00007efd6002c1e7
[  687.337472][ T6821] RDX: 0000000000000000 RSI: 00007ffe08fe3810 RDI: 0000000000000005
[  687.337943][ T6821] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  687.338395][ T6821] R10: 00007efd600baac0 R11: 0000000000000246 R12: 00007ffe08fe3f18
[  687.338849][ T6821] R13: 00000000686e5166 R14: 0000000000499600 R15: 00007ffe08fe3900
| [  691.553828][ T6851] ------------[ cut here ]------------
| [ 691.554142][ T6851] WARNING: CPU: 0 PID: 6851 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) 
| [  691.554734][ T6851] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  691.555824][ T6851] Tainted: [W]=WARN
[  691.556070][ T6851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 691.556449][ T6851] 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) 
[ 691.556764][ T6851] 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
[  691.557869][ T6851] RSP: 0018:ffffc90009e6f080 EFLAGS: 00010246
[  691.558455][ T6851] RAX: 0000000000000000 RBX: ffff88800f122000 RCX: 0000000000000001
[  691.558916][ T6851] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  691.559365][ T6851] RBP: ffffc90009e6f168 R08: 0000000000000000 R09: 0000000000000000
[  691.559825][ T6851] R10: ffffc90009e6f198 R11: ffffffffbcf8d1e0 R12: 1ffff920013cde14
[  691.560284][ T6851] R13: 00000000000005dc R14: ffffc90009e6f198 R15: ffff88800f122f48
[  691.560732][ T6851] FS:  00007fa307681800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  691.561265][ T6851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  691.561654][ T6851] CR2: 00007fa307781130 CR3: 000000000ab45004 CR4: 0000000000772ef0
[  691.562130][ T6851] PKRU: 55555554
[  691.562358][ T6851] Call Trace:
[  691.562586][ T6851]  <TASK>
[ 691.562743][ T6851] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 691.563052][ T6851] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 691.563367][ T6851] netif_set_mtu (net/core/dev.c:9652) 
[ 691.563668][ T6851] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 691.563992][ T6851] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 691.564229][ T6851] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 691.564540][ T6851] br_add_if (net/bridge/br_if.c:697) 
[ 691.564779][ T6851] do_set_master (net/core/rtnetlink.c:2948) 
[ 691.565087][ T6851] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 691.565395][ T6851] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 691.565700][ T6851] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 691.566014][ T6851] ? __dev_get_by_name (net/core/dev.c:865) 
[ 691.566327][ T6851] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 691.566628][ T6851] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 691.566940][ T6851] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 691.567249][ T6851] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 691.567554][ T6851] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 691.567868][ T6851] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 691.568185][ T6851] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 691.568501][ T6851] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 691.568804][ T6851] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 691.569115][ T6851] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 691.569415][ T6851] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 691.569720][ T6851] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 691.570042][ T6851] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 691.570350][ T6851] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 691.570653][ T6851] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 691.570971][ T6851] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 691.571284][ T6851] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 691.571596][ T6851] ? 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) 
[ 691.571909][ T6851] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 691.572213][ T6851] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 691.572512][ T6851] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 691.572821][ T6851] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 691.573142][ T6851] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 691.573444][ T6851] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 691.573778][ T6851] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 691.574108][ T6851] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 691.574414][ T6851] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 691.574807][ T6851] ___sys_sendmsg (net/socket.c:2670) 
[ 691.575119][ T6851] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 691.575429][ T6851] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 691.575734][ T6851] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 691.576042][ T6851] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 691.576347][ T6851] ? __handle_mm_fault (mm/memory.c:6212) 
[ 691.576648][ T6851] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 691.576957][ T6851] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 691.577279][ T6851] __sys_sendmsg (net/socket.c:2700) 
[ 691.577586][ T6851] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 691.577887][ T6851] ? 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) 
[ 691.578222][ T6851] ? 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) 
[ 691.578529][ T6851] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 691.578831][ T6851] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 691.579146][ T6851] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  691.579520][ T6851] RIP: 0033:0x7fa30784e1e7
[ 691.579834][ T6851] 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)
[  691.580923][ T6851] RSP: 002b:00007ffc78666558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  691.581387][ T6851] RAX: ffffffffffffffda RBX: 00007ffc78666c90 RCX: 00007fa30784e1e7
[  691.581847][ T6851] RDX: 0000000000000000 RSI: 00007ffc786665c0 RDI: 0000000000000005
[  691.582318][ T6851] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  691.582771][ T6851] R10: 00007fa3078dcac0 R11: 0000000000000246 R12: 00007ffc78666cc8
[  691.583230][ T6851] R13: 00000000686e516b R14: 0000000000499600 R15: 00007ffc786666b0
| [  752.977668][ T7215] ------------[ cut here ]------------
| [ 752.977990][ T7215] WARNING: CPU: 3 PID: 7215 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) 
| [  752.978590][ T7215] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  752.979698][ T7215] Tainted: [W]=WARN
[  752.979941][ T7215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 752.980320][ T7215] 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) 
[ 752.980633][ T7215] 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
[  752.981734][ T7215] RSP: 0018:ffffc9000a49f080 EFLAGS: 00010246
[  752.982145][ T7215] RAX: 0000000000000000 RBX: ffff888009d62000 RCX: 0000000000000001
[  752.982595][ T7215] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  752.983062][ T7215] RBP: ffffc9000a49f168 R08: 0000000000000000 R09: 0000000000000000
[  752.983520][ T7215] R10: ffffc9000a49f198 R11: ffffffffbcf8d1e0 R12: 1ffff92001493e14
[  752.983978][ T7215] R13: 00000000000005dc R14: ffffc9000a49f198 R15: ffff888009d62f48
[  752.984428][ T7215] FS:  00007f18947e7800(0000) GS:ffff8880ae519000(0000) knlGS:0000000000000000
[  752.984964][ T7215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  752.985350][ T7215] CR2: 000000000043d940 CR3: 00000000199c4006 CR4: 0000000000772ef0
[  752.985804][ T7215] PKRU: 55555554
[  752.986036][ T7215] Call Trace:
[  752.986260][ T7215]  <TASK>
[ 752.986416][ T7215] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 752.986720][ T7215] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 752.987053][ T7215] netif_set_mtu (net/core/dev.c:9652) 
[ 752.987357][ T7215] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 752.987681][ T7215] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 752.987921][ T7215] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 752.988231][ T7215] br_add_if (net/bridge/br_if.c:697) 
[ 752.988469][ T7215] do_set_master (net/core/rtnetlink.c:2948) 
[ 752.988769][ T7215] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 752.989078][ T7215] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 752.989384][ T7215] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 752.989689][ T7215] ? __dev_get_by_name (net/core/dev.c:865) 
[ 752.989999][ T7215] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 752.990304][ T7215] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 752.990613][ T7215] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 752.990930][ T7215] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 752.991243][ T7215] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 752.991568][ T7215] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 752.991877][ T7215] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 752.992207][ T7215] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 752.992507][ T7215] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 752.992811][ T7215] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 752.993119][ T7215] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 752.993420][ T7215] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 752.993724][ T7215] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 752.994042][ T7215] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 752.994355][ T7215] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 752.994657][ T7215] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 752.994985][ T7215] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 752.995289][ T7215] ? 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) 
[ 752.995592][ T7215] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 752.995906][ T7215] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 752.996210][ T7215] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 752.996522][ T7215] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 752.996827][ T7215] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 752.997140][ T7215] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 752.997450][ T7215] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 752.997753][ T7215] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 752.998061][ T7215] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 752.998448][ T7215] ___sys_sendmsg (net/socket.c:2670) 
[ 752.998754][ T7215] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 752.999070][ T7215] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 752.999379][ T7215] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 752.999677][ T7215] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 752.999991][ T7215] ? __handle_mm_fault (mm/memory.c:6212) 
[ 753.000292][ T7215] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 753.000590][ T7215] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 753.000929][ T7215] __sys_sendmsg (net/socket.c:2700) 
[ 753.001232][ T7215] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 753.001549][ T7215] ? 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) 
[ 753.001859][ T7215] ? 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) 
[ 753.002172][ T7215] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 753.002478][ T7215] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 753.002783][ T7215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  753.003175][ T7215] RIP: 0033:0x7f18949b41e7
[ 753.003490][ T7215] 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)
[  753.004575][ T7215] RSP: 002b:00007ffed39543b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  753.005042][ T7215] RAX: ffffffffffffffda RBX: 00007ffed3954af0 RCX: 00007f18949b41e7
[  753.005492][ T7215] RDX: 0000000000000000 RSI: 00007ffed3954420 RDI: 0000000000000005
[  753.005954][ T7215] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  753.006408][ T7215] R10: 00007f1894a42ac0 R11: 0000000000000246 R12: 00007ffed3954b28
[  753.006861][ T7215] R13: 00000000686e51a8 R14: 0000000000499600 R15: 00007ffed3954510
| [  757.613257][ T7245] ------------[ cut here ]------------
| [ 757.613579][ T7245] WARNING: CPU: 0 PID: 7245 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) 
| [  757.614185][ T7245] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  757.615283][ T7245] Tainted: [W]=WARN
[  757.615511][ T7245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 757.615888][ T7245] 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) 
[ 757.616222][ T7245] 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
[  757.617322][ T7245] RSP: 0018:ffffc9000936f080 EFLAGS: 00010246
[  757.617712][ T7245] RAX: 0000000000000000 RBX: ffff888009352000 RCX: 0000000000000001
[  757.618263][ T7245] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  757.618728][ T7245] RBP: ffffc9000936f168 R08: 0000000000000000 R09: 0000000000000000
[  757.619184][ T7245] R10: ffffc9000936f198 R11: ffffffffbcf8d1e0 R12: 1ffff9200126de14
[  757.619636][ T7245] R13: 00000000000005dc R14: ffffc9000936f198 R15: ffff888009352f48
[  757.620094][ T7245] FS:  00007f0632873800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  757.620627][ T7245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  757.621024][ T7245] CR2: 000000000043d940 CR3: 0000000010887005 CR4: 0000000000772ef0
[  757.621496][ T7245] PKRU: 55555554
[  757.621771][ T7245] Call Trace:
[  757.622021][ T7245]  <TASK>
[ 757.622187][ T7245] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 757.622510][ T7245] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 757.622856][ T7245] netif_set_mtu (net/core/dev.c:9652) 
[ 757.623183][ T7245] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 757.623518][ T7245] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 757.623761][ T7245] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 757.624090][ T7245] br_add_if (net/bridge/br_if.c:697) 
[ 757.624350][ T7245] do_set_master (net/core/rtnetlink.c:2948) 
[ 757.624689][ T7245] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 757.625028][ T7245] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 757.625368][ T7245] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 757.625683][ T7245] ? __dev_get_by_name (net/core/dev.c:865) 
[ 757.626009][ T7245] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 757.626332][ T7245] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 757.626654][ T7245] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 757.626976][ T7245] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 757.627301][ T7245] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 757.627639][ T7245] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 757.627961][ T7245] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 757.628284][ T7245] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 757.628602][ T7245] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 757.628950][ T7245] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 757.629288][ T7245] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 757.629618][ T7245] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 757.629967][ T7245] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 757.630322][ T7245] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 757.630678][ T7245] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 757.631009][ T7245] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 757.631371][ T7245] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 757.631843][ T7245] ? 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) 
[ 757.632188][ T7245] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 757.632505][ T7245] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 757.632814][ T7245] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 757.633166][ T7245] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 757.633520][ T7245] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 757.633853][ T7245] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 757.634224][ T7245] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 757.634562][ T7245] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 757.634925][ T7245] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 757.635370][ T7245] ___sys_sendmsg (net/socket.c:2670) 
[ 757.635709][ T7245] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 757.636047][ T7245] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 757.636389][ T7245] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 757.636728][ T7245] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 757.637075][ T7245] ? __handle_mm_fault (mm/memory.c:6212) 
[ 757.637408][ T7245] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 757.637757][ T7245] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 757.638130][ T7245] __sys_sendmsg (net/socket.c:2700) 
[ 757.638468][ T7245] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 757.638806][ T7245] ? 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) 
[ 757.639143][ T7245] ? 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) 
[ 757.639465][ T7245] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 757.639793][ T7245] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 757.640132][ T7245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  757.640530][ T7245] RIP: 0033:0x7f0632a401e7
[ 757.640859][ T7245] 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)
[  757.642025][ T7245] RSP: 002b:00007ffd6523e458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  757.642514][ T7245] RAX: ffffffffffffffda RBX: 00007ffd6523eb90 RCX: 00007f0632a401e7
[  757.642990][ T7245] RDX: 0000000000000000 RSI: 00007ffd6523e4c0 RDI: 0000000000000005
[  757.643481][ T7245] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  757.643970][ T7245] R10: 00007f0632aceac0 R11: 0000000000000246 R12: 00007ffd6523ebc8
[  757.644458][ T7245] R13: 00000000686e51ad R14: 0000000000499600 R15: 00007ffd6523e5b0
| [  765.138402][ T7311] ------------[ cut here ]------------
| [ 765.138712][ T7311] WARNING: CPU: 0 PID: 7311 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) 
| [  765.139324][ T7311] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  765.140430][ T7311] Tainted: [W]=WARN
[  765.140668][ T7311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 765.141946][ T7311] 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) 
[ 765.142263][ T7311] 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
[  765.143344][ T7311] RSP: 0018:ffffc90008aaf080 EFLAGS: 00010246
[  765.143727][ T7311] RAX: 0000000000000000 RBX: ffff888005a0a000 RCX: 0000000000000001
[  765.144193][ T7311] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  765.144650][ T7311] RBP: ffffc90008aaf168 R08: 0000000000000000 R09: 0000000000000000
[  765.145112][ T7311] R10: ffffc90008aaf198 R11: ffffffffbcf8d1e0 R12: 1ffff92001155e14
[  765.145568][ T7311] R13: 00000000000005dc R14: ffffc90008aaf198 R15: ffff888005a0af48
[  765.146028][ T7311] FS:  00007fc916144800(0000) GS:ffff8880ae399000(0000) knlGS:0000000000000000
[  765.146554][ T7311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  765.146943][ T7311] CR2: 00007fc91632fba0 CR3: 0000000011880003 CR4: 0000000000772ef0
[  765.147410][ T7311] PKRU: 55555554
[  765.147636][ T7311] Call Trace:
[  765.147862][ T7311]  <TASK>
[ 765.148036][ T7311] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 765.148347][ T7311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 765.148662][ T7311] netif_set_mtu (net/core/dev.c:9652) 
[ 765.148977][ T7311] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 765.149297][ T7311] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 765.149532][ T7311] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 765.149840][ T7311] br_add_if (net/bridge/br_if.c:697) 
[ 765.150087][ T7311] do_set_master (net/core/rtnetlink.c:2948) 
[ 765.150388][ T7311] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 765.150692][ T7311] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 765.151005][ T7311] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 765.151306][ T7311] ? __dev_get_by_name (net/core/dev.c:865) 
[ 765.151627][ T7311] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 765.151943][ T7311] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 765.152255][ T7311] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 765.152554][ T7311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 765.152859][ T7311] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 765.153181][ T7311] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 765.153488][ T7311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 765.153804][ T7311] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 765.154117][ T7311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 765.154422][ T7311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 765.154722][ T7311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 765.155035][ T7311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 765.155343][ T7311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 765.155650][ T7311] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 765.155973][ T7311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 765.156292][ T7311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 765.156611][ T7311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 765.156925][ T7311] ? 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) 
[ 765.157234][ T7311] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 765.157546][ T7311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 765.157848][ T7311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 765.158161][ T7311] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 765.158475][ T7311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 765.158776][ T7311] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 765.159095][ T7311] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 765.159402][ T7311] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 765.159702][ T7311] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 765.160106][ T7311] ___sys_sendmsg (net/socket.c:2670) 
[ 765.160412][ T7311] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 765.160722][ T7311] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 765.161035][ T7311] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 765.161335][ T7311] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 765.161650][ T7311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 765.161968][ T7311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 765.162275][ T7311] __sys_sendmsg (net/socket.c:2700) 
[ 765.162575][ T7311] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 765.162888][ T7311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 765.163210][ T7311] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 765.163516][ T7311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  765.163912][ T7311] RIP: 0033:0x7fc9163111e7
[ 765.164228][ T7311] 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)
[  765.165315][ T7311] RSP: 002b:00007fff52e63d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  765.165788][ T7311] RAX: ffffffffffffffda RBX: 00007fff52e644b0 RCX: 00007fc9163111e7
[  765.166248][ T7311] RDX: 0000000000000000 RSI: 00007fff52e63de0 RDI: 0000000000000005
[  765.166696][ T7311] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  765.167163][ T7311] R10: 00007fc91639fac0 R11: 0000000000000246 R12: 00007fff52e644e8
[  765.167612][ T7311] R13: 00000000686e51b4 R14: 0000000000499600 R15: 00007fff52e63ed0
| [  769.173735][ T7342] ------------[ cut here ]------------
| [ 769.174060][ T7342] WARNING: CPU: 1 PID: 7342 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) 
| [  769.174659][ T7342] Modules linked in: vxlan unix_diag cls_bpf sch_ingress sctp
| [  769.175764][ T7342] Tainted: [W]=WARN
[  769.176003][ T7342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 769.176379][ T7342] 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) 
[ 769.176691][ T7342] 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
[  769.177773][ T7342] RSP: 0018:ffffc90007acf080 EFLAGS: 00010246
[  769.178170][ T7342] RAX: 0000000000000000 RBX: ffff8880195d2000 RCX: 0000000000000001
[  769.178624][ T7342] RDX: 0000000000000000 RSI: ffffffffbc510759 RDI: ffffffffbbc58280
[  769.179089][ T7342] RBP: ffffc90007acf168 R08: 0000000000000000 R09: 0000000000000000
[  769.179546][ T7342] R10: ffffc90007acf198 R11: ffffffffbcf8d1e0 R12: 1ffff92000f59e14
[  769.180632][ T7342] R13: 00000000000005dc R14: ffffc90007acf198 R15: ffff8880195d2f48
[  769.181091][ T7342] FS:  00007f514a04a800(0000) GS:ffff8880ae419000(0000) knlGS:0000000000000000
[  769.181629][ T7342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  769.182016][ T7342] CR2: 00007f514a235ba0 CR3: 0000000010774002 CR4: 0000000000772ef0
[  769.182474][ T7342] PKRU: 55555554
[  769.182699][ T7342] Call Trace:
[  769.182938][ T7342]  <TASK>
[ 769.183096][ T7342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 769.183400][ T7342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 769.183717][ T7342] netif_set_mtu (net/core/dev.c:9652) 
[ 769.184030][ T7342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 769.184348][ T7342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 769.184579][ T7342] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 769.184903][ T7342] br_add_if (net/bridge/br_if.c:697) 
[ 769.185142][ T7342] do_set_master (net/core/rtnetlink.c:2948) 
[ 769.185443][ T7342] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 769.185746][ T7342] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 769.186059][ T7342] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 769.186360][ T7342] ? __dev_get_by_name (net/core/dev.c:865) 
[ 769.186663][ T7342] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 769.186985][ T7342] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 769.187298][ T7342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 769.187596][ T7342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 769.187912][ T7342] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 769.188228][ T7342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 769.188540][ T7342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 769.188855][ T7342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 769.189162][ T7342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 769.189472][ T7342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 769.189774][ T7342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 769.190084][ T7342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 769.190394][ T7342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 769.190700][ T7342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 769.191020][ T7342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 769.191330][ T7342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 769.191655][ T7342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 769.191966][ T7342] ? 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) 
[ 769.192270][ T7342] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 769.192574][ T7342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 769.192874][ T7342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 769.193192][ T7342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 769.193499][ T7342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 769.193809][ T7342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 769.194130][ T7342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 769.194436][ T7342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 769.194737][ T7342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 769.195144][ T7342] ___sys_sendmsg (net/socket.c:2670) 
[ 769.195456][ T7342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 769.195764][ T7342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 769.196087][ T7342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 769.196387][ T7342] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 769.196694][ T7342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 769.197010][ T7342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 769.197319][ T7342] __sys_sendmsg (net/socket.c:2700) 
[ 769.197620][ T7342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 769.197944][ T7342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 769.198253][ T7342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 769.198561][ T7342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  769.198954][ T7342] RIP: 0033:0x7f514a2171e7
[ 769.199275][ T7342] 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)
[  769.200362][ T7342] RSP: 002b:00007fffce77c1c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  769.200825][ T7342] RAX: ffffffffffffffda RBX: 00007fffce77c900 RCX: 00007f514a2171e7
[  769.201284][ T7342] RDX: 0000000000000000 RSI: 00007fffce77c230 RDI: 0000000000000005
[  769.201740][ T7342] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  769.202199][ T7342] R10: 00007f514a2a5ac0 R11: 0000000000000246 R12: 00007fffce77c938


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