======================================
| [ 1826.531410][T15885] br0: port 1(vx0) entered forwarding state
| [ 1826.534550][T15885] ------------[ cut here ]------------
| [1826.534933][T15885] WARNING: CPU: 3 PID: 15885 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) 
| [ 1826.535630][T15885] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
[ 1826.537008][T15885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1826.537714][T15885] 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) 
[ 1826.538070][T15885] 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
[ 1826.539276][T15885] RSP: 0018:ffffc900072cf080 EFLAGS: 00010246
[ 1826.539715][T15885] RAX: 0000000000000000 RBX: ffff888013cca000 RCX: 0000000000000001
[ 1826.540216][T15885] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1826.540727][T15885] RBP: ffffc900072cf168 R08: 0000000000000000 R09: 0000000000000000
[ 1826.541241][T15885] R10: ffffc900072cf198 R11: ffffffffa118d1e0 R12: 1ffff92000e59e14
[ 1826.541769][T15885] R13: 00000000000005dc R14: ffffc900072cf198 R15: ffff888013ccaf48
[ 1826.542274][T15885] FS:  00007f48d358f800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 1826.543022][T15885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1826.543627][T15885] CR2: 000000000043d940 CR3: 0000000022abe004 CR4: 0000000000772ef0
[ 1826.544142][T15885] PKRU: 55555554
[ 1826.544400][T15885] Call Trace:
[ 1826.544797][T15885]  <TASK>
[1826.544976][T15885] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1826.545311][T15885] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1826.545835][T15885] netif_set_mtu (net/core/dev.c:9652) 
[1826.546175][T15885] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1826.546581][T15885] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1826.546838][T15885] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1826.547186][T15885] br_add_if (net/bridge/br_if.c:697) 
[1826.547458][T15885] do_set_master (net/core/rtnetlink.c:2948) 
[1826.547799][T15885] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1826.548136][T15885] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1826.548486][T15885] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1826.548827][T15885] ? __dev_get_by_name (net/core/dev.c:865) 
[1826.549170][T15885] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1826.549532][T15885] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1826.549872][T15885] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1826.550203][T15885] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1826.550554][T15885] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1826.550904][T15885] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1826.551243][T15885] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1826.551642][T15885] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1826.551975][T15885] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1826.552313][T15885] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1826.552651][T15885] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1826.552986][T15885] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1826.553325][T15885] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1826.553694][T15885] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1826.554042][T15885] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1826.554384][T15885] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1826.554736][T15885] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1826.555069][T15885] ? 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) 
[1826.555404][T15885] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1826.555757][T15885] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1826.556089][T15885] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1826.556428][T15885] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1826.556788][T15885] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1826.557123][T15885] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1826.557503][T15885] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1826.557844][T15885] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1826.558177][T15885] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1826.558617][T15885] ___sys_sendmsg (net/socket.c:2670) 
[1826.558950][T15885] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1826.559290][T15885] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1826.559641][T15885] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1826.559975][T15885] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1826.560324][T15885] ? __handle_mm_fault (mm/memory.c:6212) 
[1826.560667][T15885] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1826.561000][T15885] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1826.561371][T15885] __sys_sendmsg (net/socket.c:2700) 
[1826.561732][T15885] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1826.562067][T15885] ? 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) 
[1826.562418][T15885] ? 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) 
[1826.562762][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1826.563102][T15885] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1826.563437][T15885] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1826.563879][T15885] RIP: 0033:0x7f48d375c1e7
[ 1826.564229][T15885] 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)
[ 1826.565423][T15885] RSP: 002b:00007ffc3e8cf0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1826.565954][T15885] RAX: ffffffffffffffda RBX: 00007ffc3e8cf7f0 RCX: 00007f48d375c1e7
[ 1826.566471][T15885] RDX: 0000000000000000 RSI: 00007ffc3e8cf120 RDI: 0000000000000005
[ 1826.566973][T15885] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1826.567482][T15885] R10: 00007f48d37eaac0 R11: 0000000000000246 R12: 00007ffc3e8cf828
[ 1826.567981][T15885] R13: 00000000686e3ab7 R14: 0000000000499600 R15: 00007ffc3e8cf210
| [ 1830.873236][T15915] ------------[ cut here ]------------
| [1830.873614][T15915] WARNING: CPU: 2 PID: 15915 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) 
| [ 1830.874284][T15915] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1830.875637][T15915] Tainted: [W]=WARN
[ 1830.875897][T15915] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1830.876309][T15915] 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) 
[ 1830.876657][T15915] 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
[ 1830.877826][T15915] RSP: 0018:ffffc900073cf080 EFLAGS: 00010246
[ 1830.878249][T15915] RAX: 0000000000000000 RBX: ffff888015fc2000 RCX: 0000000000000001
[ 1830.879467][T15915] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1830.879955][T15915] RBP: ffffc900073cf168 R08: 0000000000000000 R09: 0000000000000000
[ 1830.880445][T15915] R10: ffffc900073cf198 R11: ffffffffa118d1e0 R12: 1ffff92000e79e14
[ 1830.880941][T15915] R13: 00000000000005dc R14: ffffc900073cf198 R15: ffff888015fc2f48
[ 1830.881422][T15915] FS:  00007fba5c54a800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 1830.882011][T15915] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1830.882431][T15915] CR2: 000000000043d940 CR3: 000000001cfe1003 CR4: 0000000000772ef0
[ 1830.882928][T15915] PKRU: 55555554
[ 1830.883181][T15915] Call Trace:
[ 1830.883429][T15915]  <TASK>
[1830.883619][T15915] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1830.883960][T15915] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1830.884304][T15915] netif_set_mtu (net/core/dev.c:9652) 
[1830.884672][T15915] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1830.885030][T15915] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1830.885283][T15915] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1830.885642][T15915] br_add_if (net/bridge/br_if.c:697) 
[1830.885917][T15915] do_set_master (net/core/rtnetlink.c:2948) 
[1830.886244][T15915] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1830.886585][T15915] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1830.886917][T15915] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1830.887263][T15915] ? __dev_get_by_name (net/core/dev.c:865) 
[1830.887602][T15915] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1830.887933][T15915] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1830.888267][T15915] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1830.888604][T15915] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1830.888940][T15915] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1830.889281][T15915] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1830.889637][T15915] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1830.889993][T15915] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1830.890318][T15915] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1830.890663][T15915] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1830.891021][T15915] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1830.891356][T15915] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1830.891704][T15915] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1830.892043][T15915] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1830.892372][T15915] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1830.892755][T15915] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1830.893098][T15915] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1830.893430][T15915] ? 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) 
[1830.893796][T15915] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1830.894135][T15915] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1830.894480][T15915] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1830.894829][T15915] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1830.895172][T15915] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1830.895519][T15915] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1830.895870][T15915] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1830.896202][T15915] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1830.896540][T15915] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1830.896975][T15915] ___sys_sendmsg (net/socket.c:2670) 
[1830.897318][T15915] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1830.897679][T15915] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1830.898024][T15915] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1830.898351][T15915] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1830.898698][T15915] ? __handle_mm_fault (mm/memory.c:6212) 
[1830.899028][T15915] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1830.899354][T15915] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1830.899721][T15915] __sys_sendmsg (net/socket.c:2700) 
[1830.900056][T15915] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1830.900385][T15915] ? 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) 
[1830.900733][T15915] ? 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) 
[1830.901071][T15915] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1830.901407][T15915] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1830.901759][T15915] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1830.902183][T15915] RIP: 0033:0x7fba5c7171e7
[ 1830.902536][T15915] 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)
[ 1830.903694][T15915] RSP: 002b:00007ffcf869e5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1830.904185][T15915] RAX: ffffffffffffffda RBX: 00007ffcf869ed30 RCX: 00007fba5c7171e7
[ 1830.904688][T15915] RDX: 0000000000000000 RSI: 00007ffcf869e660 RDI: 0000000000000005
[ 1830.905176][T15915] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1830.905683][T15915] R10: 00007fba5c7a5ac0 R11: 0000000000000246 R12: 00007ffcf869ed68
[ 1830.906173][T15915] R13: 00000000686e3abc R14: 0000000000499600 R15: 00007ffcf869e750
| [ 1837.549270][T15973] ------------[ cut here ]------------
| [1837.549621][T15973] WARNING: CPU: 3 PID: 15973 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) 
| [ 1837.550239][T15973] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1837.551855][T15973] Tainted: [W]=WARN
[ 1837.552086][T15973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1837.552491][T15973] 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) 
[ 1837.552805][T15973] 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
[ 1837.553937][T15973] RSP: 0018:ffffc900076af080 EFLAGS: 00010246
[ 1837.554321][T15973] RAX: 0000000000000000 RBX: ffff888020072000 RCX: 0000000000000001
[ 1837.554806][T15973] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1837.555272][T15973] RBP: ffffc900076af168 R08: 0000000000000000 R09: 0000000000000000
[ 1837.556879][T15973] R10: ffffc900076af198 R11: ffffffffa118d1e0 R12: 1ffff92000ed5e14
[ 1837.557340][T15973] R13: 00000000000005dc R14: ffffc900076af198 R15: ffff888020072f48
[ 1837.557818][T15973] FS:  00007f051e60f800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 1837.558356][T15973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1837.558774][T15973] CR2: 00007f051e7faba0 CR3: 000000001520c004 CR4: 0000000000772ef0
[ 1837.559238][T15973] PKRU: 55555554
[ 1837.559482][T15973] Call Trace:
[ 1837.559722][T15973]  <TASK>
[1837.559879][T15973] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1837.560183][T15973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1837.560530][T15973] netif_set_mtu (net/core/dev.c:9652) 
[1837.560849][T15973] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1837.561168][T15973] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1837.561509][T15973] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1837.561835][T15973] br_add_if (net/bridge/br_if.c:697) 
[1837.562076][T15973] do_set_master (net/core/rtnetlink.c:2948) 
[1837.562386][T15973] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1837.562730][T15973] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1837.563045][T15973] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1837.563344][T15973] ? __dev_get_by_name (net/core/dev.c:865) 
[1837.563693][T15973] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1837.564015][T15973] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1837.564329][T15973] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1837.564645][T15973] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1837.564969][T15973] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1837.565298][T15973] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1837.565619][T15973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1837.565954][T15973] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1837.566252][T15973] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1837.566588][T15973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1837.566907][T15973] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1837.567211][T15973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1837.567529][T15973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1837.567859][T15973] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1837.568163][T15973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1837.568478][T15973] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1837.568795][T15973] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1837.569109][T15973] ? 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) 
[1837.569414][T15973] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1837.569738][T15973] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1837.570059][T15973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1837.570370][T15973] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1837.570701][T15973] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1837.571023][T15973] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1837.571337][T15973] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1837.571659][T15973] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1837.571976][T15973] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1837.572381][T15973] ___sys_sendmsg (net/socket.c:2670) 
[1837.572735][T15973] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1837.573057][T15973] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1837.573374][T15973] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1837.573698][T15973] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1837.574022][T15973] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1837.574335][T15973] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1837.574681][T15973] __sys_sendmsg (net/socket.c:2700) 
[1837.574992][T15973] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1837.575346][T15973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1837.575688][T15973] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1837.575998][T15973] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1837.576385][T15973] RIP: 0033:0x7f051e7dc1e7
[ 1837.576714][T15973] 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)
[ 1837.577852][T15973] RSP: 002b:00007fff2bf54ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1837.578326][T15973] RAX: ffffffffffffffda RBX: 00007fff2bf555e0 RCX: 00007f051e7dc1e7
[ 1837.578808][T15973] RDX: 0000000000000000 RSI: 00007fff2bf54f10 RDI: 0000000000000005
[ 1837.579299][T15973] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1837.579763][T15973] R10: 00007f051e86aac0 R11: 0000000000000246 R12: 00007fff2bf55618
[ 1837.580232][T15973] R13: 00000000686e3ac2 R14: 0000000000499600 R15: 00007fff2bf55000
| [ 1841.685154][T16003] ------------[ cut here ]------------
| [1841.685481][T16003] WARNING: CPU: 0 PID: 16003 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) 
| [ 1841.686095][T16003] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1841.688994][T16003] Tainted: [W]=WARN
[ 1841.689246][T16003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1841.689657][T16003] 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) 
[ 1841.689978][T16003] 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
[ 1841.691064][T16003] RSP: 0018:ffffc900077df080 EFLAGS: 00010246
[ 1841.691465][T16003] RAX: 0000000000000000 RBX: ffff88801be82000 RCX: 0000000000000001
[ 1841.691917][T16003] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1841.692370][T16003] RBP: ffffc900077df168 R08: 0000000000000000 R09: 0000000000000000
[ 1841.692831][T16003] R10: ffffc900077df198 R11: ffffffffa118d1e0 R12: 1ffff92000efbe14
[ 1841.693297][T16003] R13: 00000000000005dc R14: ffffc900077df198 R15: ffff88801be82f48
[ 1841.693789][T16003] FS:  00007ff6a52c6800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 1841.694322][T16003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1841.694711][T16003] CR2: 00007ff6a54b1ba0 CR3: 0000000013f43001 CR4: 0000000000772ef0
[ 1841.695179][T16003] PKRU: 55555554
[ 1841.695412][T16003] Call Trace:
[ 1841.695646][T16003]  <TASK>
[1841.695804][T16003] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1841.696111][T16003] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1841.696430][T16003] netif_set_mtu (net/core/dev.c:9652) 
[1841.696743][T16003] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1841.697068][T16003] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1841.697309][T16003] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1841.697657][T16003] br_add_if (net/bridge/br_if.c:697) 
[1841.697913][T16003] do_set_master (net/core/rtnetlink.c:2948) 
[1841.698219][T16003] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1841.698534][T16003] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1841.698841][T16003] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1841.699140][T16003] ? __dev_get_by_name (net/core/dev.c:865) 
[1841.699441][T16003] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1841.699759][T16003] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1841.700072][T16003] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1841.700371][T16003] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1841.700687][T16003] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1841.701002][T16003] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1841.701310][T16003] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1841.701647][T16003] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1841.701961][T16003] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1841.702276][T16003] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1841.702587][T16003] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1841.702890][T16003] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1841.703197][T16003] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1841.703516][T16003] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1841.703831][T16003] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1841.704135][T16003] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1841.704462][T16003] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1841.704762][T16003] ? 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) 
[1841.705066][T16003] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1841.705370][T16003] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1841.705691][T16003] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1841.705999][T16003] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1841.706305][T16003] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1841.706625][T16003] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1841.706935][T16003] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1841.707345][T16003] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1841.707664][T16003] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1841.708056][T16003] ___sys_sendmsg (net/socket.c:2670) 
[1841.708362][T16003] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1841.708678][T16003] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1841.708993][T16003] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1841.709293][T16003] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1841.709620][T16003] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1841.709939][T16003] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1841.710246][T16003] __sys_sendmsg (net/socket.c:2700) 
[1841.710564][T16003] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1841.710881][T16003] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1841.711186][T16003] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1841.711509][T16003] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1841.711883][T16003] RIP: 0033:0x7ff6a54931e7
[ 1841.712194][T16003] 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)
[ 1841.713278][T16003] RSP: 002b:00007fffe0508988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1841.713788][T16003] RAX: ffffffffffffffda RBX: 00007fffe05090c0 RCX: 00007ff6a54931e7
[ 1841.714240][T16003] RDX: 0000000000000000 RSI: 00007fffe05089f0 RDI: 0000000000000005
[ 1841.714702][T16003] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1841.715153][T16003] R10: 00007ff6a5521ac0 R11: 0000000000000246 R12: 00007fffe05090f8
[ 1841.715636][T16003] R13: 00000000686e3ac7 R14: 0000000000499600 R15: 00007fffe0508ae0
| [ 1861.484423][T16177] ------------[ cut here ]------------
| [1861.484773][T16177] WARNING: CPU: 1 PID: 16177 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) 
| [ 1861.485381][T16177] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1861.486639][T16177] Tainted: [W]=WARN
[ 1861.486872][T16177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1861.487256][T16177] 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) 
[ 1861.487588][T16177] 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
[ 1861.489592][T16177] RSP: 0018:ffffc90007dff080 EFLAGS: 00010246
[ 1861.489977][T16177] RAX: 0000000000000000 RBX: ffff88800517a000 RCX: 0000000000000001
[ 1861.490427][T16177] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1861.490926][T16177] RBP: ffffc90007dff168 R08: 0000000000000000 R09: 0000000000000000
[ 1861.491397][T16177] R10: ffffc90007dff198 R11: ffffffffa118d1e0 R12: 1ffff92000fbfe14
[ 1861.491899][T16177] R13: 00000000000005dc R14: ffffc90007dff198 R15: ffff88800517af48
[ 1861.492361][T16177] FS:  00007f09f153a800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 1861.492911][T16177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1861.493292][T16177] CR2: 000000000043d940 CR3: 0000000020a5e003 CR4: 0000000000772ef0
[ 1861.493809][T16177] PKRU: 55555554
[ 1861.494040][T16177] Call Trace:
[ 1861.494270][T16177]  <TASK>
[1861.494428][T16177] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1861.494743][T16177] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1861.495060][T16177] netif_set_mtu (net/core/dev.c:9652) 
[1861.495370][T16177] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1861.495710][T16177] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1861.495948][T16177] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1861.496254][T16177] br_add_if (net/bridge/br_if.c:697) 
[1861.496501][T16177] do_set_master (net/core/rtnetlink.c:2948) 
[1861.496808][T16177] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1861.497149][T16177] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1861.497485][T16177] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1861.497787][T16177] ? __dev_get_by_name (net/core/dev.c:865) 
[1861.498091][T16177] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1861.498391][T16177] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1861.498708][T16177] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1861.499012][T16177] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1861.499322][T16177] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1861.499651][T16177] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1861.499969][T16177] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1861.500283][T16177] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1861.500589][T16177] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1861.500893][T16177] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1861.501197][T16177] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1861.501508][T16177] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1861.501853][T16177] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1861.502169][T16177] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1861.502484][T16177] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1861.502787][T16177] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1861.503100][T16177] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1861.503410][T16177] ? 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) 
[1861.503759][T16177] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1861.504090][T16177] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1861.504399][T16177] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1861.504713][T16177] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1861.505022][T16177] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1861.505327][T16177] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1861.505643][T16177] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1861.505949][T16177] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1861.506248][T16177] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1861.506655][T16177] ___sys_sendmsg (net/socket.c:2670) 
[1861.506967][T16177] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1861.507269][T16177] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1861.507612][T16177] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1861.507923][T16177] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1861.508230][T16177] ? __handle_mm_fault (mm/memory.c:6212) 
[1861.508545][T16177] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1861.508857][T16177] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1861.509183][T16177] __sys_sendmsg (net/socket.c:2700) 
[1861.509500][T16177] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1861.509809][T16177] ? 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) 
[1861.510121][T16177] ? 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) 
[1861.510425][T16177] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1861.510739][T16177] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1861.511057][T16177] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1861.511430][T16177] RIP: 0033:0x7f09f17071e7
[ 1861.511762][T16177] 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)
[ 1861.512849][T16177] RSP: 002b:00007ffed804fe48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1861.513313][T16177] RAX: ffffffffffffffda RBX: 00007ffed8050580 RCX: 00007f09f17071e7
[ 1861.513811][T16177] RDX: 0000000000000000 RSI: 00007ffed804feb0 RDI: 0000000000000005
[ 1861.514263][T16177] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1861.514725][T16177] R10: 00007f09f1795ac0 R11: 0000000000000246 R12: 00007ffed80505b8
[ 1861.515188][T16177] R13: 00000000686e3ada R14: 0000000000499600 R15: 00007ffed804ffa0
| [ 1865.817668][T16207] ------------[ cut here ]------------
| [1865.817986][T16207] WARNING: CPU: 0 PID: 16207 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) 
| [ 1865.819530][T16207] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1865.820810][T16207] Tainted: [W]=WARN
[ 1865.821049][T16207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1865.821499][T16207] 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) 
[ 1865.821839][T16207] 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
[ 1865.822959][T16207] RSP: 0018:ffffc90007f7f080 EFLAGS: 00010246
[ 1865.823350][T16207] RAX: 0000000000000000 RBX: ffff888020072000 RCX: 0000000000000001
[ 1865.823829][T16207] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1865.824295][T16207] RBP: ffffc90007f7f168 R08: 0000000000000000 R09: 0000000000000000
[ 1865.824765][T16207] R10: ffffc90007f7f198 R11: ffffffffa118d1e0 R12: 1ffff92000fefe14
[ 1865.825258][T16207] R13: 00000000000005dc R14: ffffc90007f7f198 R15: ffff888020072f48
[ 1865.825741][T16207] FS:  00007fa038d74800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 1865.826283][T16207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1865.826678][T16207] CR2: 00007fa038fcfb78 CR3: 000000001b825004 CR4: 0000000000772ef0
[ 1865.827141][T16207] PKRU: 55555554
[ 1865.827370][T16207] Call Trace:
[ 1865.827612][T16207]  <TASK>
[1865.827773][T16207] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1865.828084][T16207] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1865.828442][T16207] netif_set_mtu (net/core/dev.c:9652) 
[1865.828774][T16207] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1865.829126][T16207] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1865.829388][T16207] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1865.829727][T16207] br_add_if (net/bridge/br_if.c:697) 
[1865.829981][T16207] do_set_master (net/core/rtnetlink.c:2948) 
[1865.830288][T16207] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1865.830605][T16207] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1865.830926][T16207] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1865.831232][T16207] ? __dev_get_by_name (net/core/dev.c:865) 
[1865.831572][T16207] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1865.831878][T16207] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1865.832193][T16207] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1865.832541][T16207] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1865.832944][T16207] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1865.833298][T16207] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1865.833647][T16207] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1865.834006][T16207] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1865.834332][T16207] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1865.834656][T16207] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1865.834961][T16207] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1865.835268][T16207] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1865.835589][T16207] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1865.835917][T16207] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1865.836226][T16207] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1865.836546][T16207] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1865.836866][T16207] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1865.837202][T16207] ? 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) 
[1865.837536][T16207] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1865.837850][T16207] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1865.838167][T16207] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1865.838518][T16207] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1865.838830][T16207] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1865.839134][T16207] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1865.839460][T16207] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1865.839774][T16207] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1865.840077][T16207] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1865.840492][T16207] ___sys_sendmsg (net/socket.c:2670) 
[1865.840808][T16207] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1865.841144][T16207] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1865.841485][T16207] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1865.841794][T16207] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1865.842130][T16207] ? __handle_mm_fault (mm/memory.c:6212) 
[1865.842439][T16207] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1865.842762][T16207] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1865.843091][T16207] __sys_sendmsg (net/socket.c:2700) 
[1865.843398][T16207] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1865.843719][T16207] ? 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) 
[1865.844043][T16207] ? 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) 
[1865.844354][T16207] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1865.844673][T16207] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1865.844995][T16207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1865.845377][T16207] RIP: 0033:0x7fa038f411e7
[ 1865.845717][T16207] 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)
[ 1865.846882][T16207] RSP: 002b:00007ffdfc8f9668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1865.847354][T16207] RAX: ffffffffffffffda RBX: 00007ffdfc8f9da0 RCX: 00007fa038f411e7
[ 1865.847821][T16207] RDX: 0000000000000000 RSI: 00007ffdfc8f96d0 RDI: 0000000000000005
[ 1865.848281][T16207] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1865.848749][T16207] R10: 00007fa038fcfac0 R11: 0000000000000246 R12: 00007ffdfc8f9dd8
[ 1865.849218][T16207] R13: 00000000686e3adf R14: 0000000000499600 R15: 00007ffdfc8f97c0
| [ 1873.514056][T16273] ------------[ cut here ]------------
| [1873.514416][T16273] WARNING: CPU: 1 PID: 16273 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) 
| [ 1873.515047][T16273] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1873.516427][T16273] Tainted: [W]=WARN
[ 1873.516673][T16273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1873.517065][T16273] 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) 
[ 1873.517387][T16273] 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
[ 1873.518505][T16273] RSP: 0018:ffffc90007d0f080 EFLAGS: 00010246
[ 1873.518915][T16273] RAX: 0000000000000000 RBX: ffff888013182000 RCX: 0000000000000001
[ 1873.519377][T16273] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1873.519848][T16273] RBP: ffffc90007d0f168 R08: 0000000000000000 R09: 0000000000000000
[ 1873.520308][T16273] R10: ffffc90007d0f198 R11: ffffffffa118d1e0 R12: 1ffff92000fa1e14
[ 1873.520781][T16273] R13: 00000000000005dc R14: ffffc90007d0f198 R15: ffff888013182f48
[ 1873.521250][T16273] FS:  00007fe50835b800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 1873.521800][T16273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1873.522188][T16273] CR2: 00007fe508546ba0 CR3: 000000000fb94004 CR4: 0000000000772ef0
[ 1873.522659][T16273] PKRU: 55555554
[ 1873.522888][T16273] Call Trace:
[ 1873.523124][T16273]  <TASK>
[1873.523283][T16273] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1873.523603][T16273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1873.523938][T16273] netif_set_mtu (net/core/dev.c:9652) 
[1873.524245][T16273] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1873.524576][T16273] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1873.524811][T16273] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1873.525120][T16273] br_add_if (net/bridge/br_if.c:697) 
[1873.525368][T16273] do_set_master (net/core/rtnetlink.c:2948) 
[1873.525684][T16273] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1873.525996][T16273] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1873.526305][T16273] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1873.526618][T16273] ? __dev_get_by_name (net/core/dev.c:865) 
[1873.526933][T16273] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1873.527241][T16273] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1873.527576][T16273] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1873.527879][T16273] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1873.528190][T16273] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1873.528524][T16273] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1873.528836][T16273] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1873.529154][T16273] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1873.529467][T16273] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1873.529774][T16273] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1873.530084][T16273] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1873.530389][T16273] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1873.530712][T16273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1873.531022][T16273] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1873.531333][T16273] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1873.531652][T16273] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1873.531969][T16273] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1873.532279][T16273] ? 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) 
[1873.532593][T16273] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1873.532902][T16273] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1873.533204][T16273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1873.533528][T16273] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1873.533861][T16273] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1873.534166][T16273] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1873.534498][T16273] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1873.534807][T16273] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1873.535111][T16273] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1873.535516][T16273] ___sys_sendmsg (net/socket.c:2670) 
[1873.535825][T16273] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1873.536134][T16273] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1873.536443][T16273] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1873.536788][T16273] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1873.537098][T16273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1873.537410][T16273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1873.537732][T16273] __sys_sendmsg (net/socket.c:2700) 
[1873.538040][T16273] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1873.538357][T16273] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1873.538680][T16273] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1873.538989][T16273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1873.539367][T16273] RIP: 0033:0x7fe5085281e7
[ 1873.539693][T16273] 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)
[ 1873.540792][T16273] RSP: 002b:00007ffdbf21b188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1873.541269][T16273] RAX: ffffffffffffffda RBX: 00007ffdbf21b8c0 RCX: 00007fe5085281e7
[ 1873.541735][T16273] RDX: 0000000000000000 RSI: 00007ffdbf21b1f0 RDI: 0000000000000005
[ 1873.542191][T16273] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1873.542659][T16273] R10: 00007fe5085b6ac0 R11: 0000000000000246 R12: 00007ffdbf21b8f8
[ 1873.543115][T16273] R13: 00000000686e3ae6 R14: 0000000000499600 R15: 00007ffdbf21b2e0
| [ 1878.104721][T16303] ------------[ cut here ]------------
| [1878.105252][T16303] WARNING: CPU: 3 PID: 16303 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) 
| [ 1878.106291][T16303] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1878.108631][T16303] Tainted: [W]=WARN
[ 1878.109047][T16303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1878.109747][T16303] 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) 
[ 1878.110302][T16303] 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
[ 1878.112161][T16303] RSP: 0018:ffffc90008377080 EFLAGS: 00010246
[ 1878.112781][T16303] RAX: 0000000000000000 RBX: ffff88802042a000 RCX: 0000000000000001
[ 1878.113634][T16303] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1878.114466][T16303] RBP: ffffc90008377168 R08: 0000000000000000 R09: 0000000000000000
[ 1878.115269][T16303] R10: ffffc90008377198 R11: ffffffffa118d1e0 R12: 1ffff9200106ee14
[ 1878.116092][T16303] R13: 00000000000005dc R14: ffffc90008377198 R15: ffff88802042af48
[ 1878.116887][T16303] FS:  00007f41be05a800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 1878.117840][T16303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1878.118513][T16303] CR2: 00007f41be245ba0 CR3: 000000001f273005 CR4: 0000000000772ef0
[ 1878.119309][T16303] PKRU: 55555554
[ 1878.119719][T16303] Call Trace:
[ 1878.120121][T16303]  <TASK>
[1878.120413][T16303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1878.120942][T16303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1878.121559][T16303] netif_set_mtu (net/core/dev.c:9652) 
[1878.122096][T16303] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1878.122681][T16303] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1878.123087][T16303] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1878.123642][T16303] br_add_if (net/bridge/br_if.c:697) 
[1878.124060][T16303] do_set_master (net/core/rtnetlink.c:2948) 
[1878.124610][T16303] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1878.125137][T16303] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1878.125705][T16303] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1878.126238][T16303] ? __dev_get_by_name (net/core/dev.c:865) 
[1878.126739][T16303] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1878.127282][T16303] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1878.127847][T16303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1878.128401][T16303] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1878.128961][T16303] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1878.129562][T16303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1878.130116][T16303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1878.130684][T16303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1878.131198][T16303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1878.131755][T16303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1878.132272][T16303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1878.132828][T16303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1878.133364][T16303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1878.133965][T16303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1878.134513][T16303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1878.135033][T16303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1878.135581][T16303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1878.136089][T16303] ? 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) 
[1878.136651][T16303] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1878.137172][T16303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1878.137732][T16303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1878.138293][T16303] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1878.138845][T16303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1878.139384][T16303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1878.139949][T16303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1878.140524][T16303] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1878.141042][T16303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1878.141737][T16303] ___sys_sendmsg (net/socket.c:2670) 
[1878.142226][T16303] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1878.142719][T16303] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1878.143197][T16303] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1878.143694][T16303] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1878.144266][T16303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1878.144832][T16303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1878.145387][T16303] __sys_sendmsg (net/socket.c:2700) 
[1878.145965][T16303] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1878.146545][T16303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1878.147090][T16303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1878.147646][T16303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1878.148306][T16303] RIP: 0033:0x7f41be2271e7
[ 1878.148901][T16303] 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)
[ 1878.150827][T16303] RSP: 002b:00007ffff02fb9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1878.151666][T16303] RAX: ffffffffffffffda RBX: 00007ffff02fc110 RCX: 00007f41be2271e7
[ 1878.152471][T16303] RDX: 0000000000000000 RSI: 00007ffff02fba40 RDI: 0000000000000005
[ 1878.153243][T16303] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1878.154053][T16303] R10: 00007f41be2b5ac0 R11: 0000000000000246 R12: 00007ffff02fc148
[ 1878.154873][T16303] R13: 00000000686e3aeb R14: 0000000000499600 R15: 00007ffff02fbb30
| [ 1898.486437][T16476] ------------[ cut here ]------------
| [1898.486851][T16476] WARNING: CPU: 2 PID: 16476 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) 
| [ 1898.487574][T16476] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1898.489031][T16476] Tainted: [W]=WARN
[ 1898.489306][T16476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1898.489761][T16476] 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) 
[ 1898.490129][T16476] 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
[ 1898.491378][T16476] RSP: 0018:ffffc900088d7080 EFLAGS: 00010246
[ 1898.491852][T16476] RAX: 0000000000000000 RBX: ffff8880168da000 RCX: 0000000000000001
[ 1898.492383][T16476] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1898.494069][T16476] RBP: ffffc900088d7168 R08: 0000000000000000 R09: 0000000000000000
[ 1898.494624][T16476] R10: ffffc900088d7198 R11: ffffffffa118d1e0 R12: 1ffff9200111ae14
[ 1898.495164][T16476] R13: 00000000000005dc R14: ffffc900088d7198 R15: ffff8880168daf48
[ 1898.495713][T16476] FS:  00007f9d0051e800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 1898.496330][T16476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1898.496789][T16476] CR2: 000000000043d940 CR3: 00000000147cf005 CR4: 0000000000772ef0
[ 1898.497331][T16476] PKRU: 55555554
[ 1898.497619][T16476] Call Trace:
[ 1898.497892][T16476]  <TASK>
[1898.498085][T16476] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1898.498459][T16476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1898.498836][T16476] netif_set_mtu (net/core/dev.c:9652) 
[1898.499192][T16476] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1898.499590][T16476] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1898.499880][T16476] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1898.500246][T16476] br_add_if (net/bridge/br_if.c:697) 
[1898.500543][T16476] do_set_master (net/core/rtnetlink.c:2948) 
[1898.500903][T16476] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1898.501265][T16476] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1898.501641][T16476] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1898.501998][T16476] ? __dev_get_by_name (net/core/dev.c:865) 
[1898.502360][T16476] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1898.502758][T16476] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1898.503129][T16476] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1898.503512][T16476] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1898.503900][T16476] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1898.504270][T16476] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1898.504697][T16476] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1898.505076][T16476] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1898.505442][T16476] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1898.505821][T16476] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1898.506181][T16476] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1898.506557][T16476] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1898.506921][T16476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1898.507284][T16476] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1898.507671][T16476] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1898.508034][T16476] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1898.508415][T16476] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1898.508784][T16476] ? 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) 
[1898.509147][T16476] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1898.509521][T16476] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1898.509881][T16476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1898.510242][T16476] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1898.510618][T16476] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1898.510985][T16476] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1898.511350][T16476] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1898.511736][T16476] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1898.512096][T16476] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1898.512561][T16476] ___sys_sendmsg (net/socket.c:2670) 
[1898.512922][T16476] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1898.513277][T16476] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1898.513662][T16476] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1898.514032][T16476] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1898.514392][T16476] ? __handle_mm_fault (mm/memory.c:6212) 
[1898.514759][T16476] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1898.515115][T16476] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1898.515514][T16476] __sys_sendmsg (net/socket.c:2700) 
[1898.515887][T16476] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1898.516242][T16476] ? 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) 
[1898.516623][T16476] ? 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) 
[1898.516995][T16476] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1898.517366][T16476] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1898.517740][T16476] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1898.518189][T16476] RIP: 0033:0x7f9d006eb1e7
[ 1898.518570][T16476] 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)
[ 1898.519827][T16476] RSP: 002b:00007ffe9ac48228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1898.520361][T16476] RAX: ffffffffffffffda RBX: 00007ffe9ac48960 RCX: 00007f9d006eb1e7
[ 1898.520947][T16476] RDX: 0000000000000000 RSI: 00007ffe9ac48290 RDI: 0000000000000005
[ 1898.521490][T16476] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1898.522017][T16476] R10: 00007f9d00779ac0 R11: 0000000000000246 R12: 00007ffe9ac48998
[ 1898.522552][T16476] R13: 00000000686e3aff R14: 0000000000499600 R15: 00007ffe9ac48380
| [ 1902.777575][T16506] ------------[ cut here ]------------
| [1902.777901][T16506] WARNING: CPU: 0 PID: 16506 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) 
| [ 1902.778526][T16506] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1902.779787][T16506] Tainted: [W]=WARN
[ 1902.780019][T16506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1902.780400][T16506] 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) 
[ 1902.780724][T16506] 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
[ 1902.781841][T16506] RSP: 0018:ffffc90008a37080 EFLAGS: 00010246
[ 1902.782233][T16506] RAX: 0000000000000000 RBX: ffff888013182000 RCX: 0000000000000001
[ 1902.783126][T16506] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1902.783600][T16506] RBP: ffffc90008a37168 R08: 0000000000000000 R09: 0000000000000000
[ 1902.784069][T16506] R10: ffffc90008a37198 R11: ffffffffa118d1e0 R12: 1ffff92001146e14
[ 1902.784540][T16506] R13: 00000000000005dc R14: ffffc90008a37198 R15: ffff888013182f48
[ 1902.784993][T16506] FS:  00007f0134de5800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 1902.785560][T16506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1902.785945][T16506] CR2: 000000000043d940 CR3: 000000001a70a003 CR4: 0000000000772ef0
[ 1902.786400][T16506] PKRU: 55555554
[ 1902.786638][T16506] Call Trace:
[ 1902.786867][T16506]  <TASK>
[1902.787025][T16506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1902.787328][T16506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1902.787660][T16506] netif_set_mtu (net/core/dev.c:9652) 
[1902.787964][T16506] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1902.788283][T16506] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1902.788525][T16506] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1902.788836][T16506] br_add_if (net/bridge/br_if.c:697) 
[1902.789077][T16506] do_set_master (net/core/rtnetlink.c:2948) 
[1902.789376][T16506] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1902.789703][T16506] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1902.790026][T16506] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1902.790328][T16506] ? __dev_get_by_name (net/core/dev.c:865) 
[1902.790641][T16506] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1902.790943][T16506] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1902.791250][T16506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1902.791556][T16506] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1902.791863][T16506] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1902.792186][T16506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1902.792505][T16506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1902.792819][T16506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1902.793118][T16506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1902.793421][T16506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1902.793751][T16506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1902.794063][T16506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1902.794367][T16506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1902.794690][T16506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1902.794995][T16506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1902.795299][T16506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1902.795620][T16506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1902.795924][T16506] ? 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) 
[1902.796230][T16506] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1902.796542][T16506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1902.796848][T16506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1902.797156][T16506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1902.797481][T16506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1902.797791][T16506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1902.798101][T16506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1902.798409][T16506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1902.798717][T16506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1902.799114][T16506] ___sys_sendmsg (net/socket.c:2670) 
[1902.799419][T16506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1902.799727][T16506] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1902.800032][T16506] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1902.800335][T16506] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1902.800648][T16506] ? __handle_mm_fault (mm/memory.c:6212) 
[1902.800949][T16506] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1902.801254][T16506] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1902.801598][T16506] __sys_sendmsg (net/socket.c:2700) 
[1902.801904][T16506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1902.802204][T16506] ? 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) 
[1902.802522][T16506] ? 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) 
[1902.802826][T16506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1902.803131][T16506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1902.803441][T16506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1902.803841][T16506] RIP: 0033:0x7f0134fb21e7
[ 1902.804155][T16506] 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)
[ 1902.805239][T16506] RSP: 002b:00007ffea70317a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1902.805722][T16506] RAX: ffffffffffffffda RBX: 00007ffea7031ee0 RCX: 00007f0134fb21e7
[ 1902.806176][T16506] RDX: 0000000000000000 RSI: 00007ffea7031810 RDI: 0000000000000005
[ 1902.806636][T16506] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1902.807089][T16506] R10: 00007f0135040ac0 R11: 0000000000000246 R12: 00007ffea7031f18
[ 1902.807552][T16506] R13: 00000000686e3b04 R14: 0000000000499600 R15: 00007ffea7031900
| [ 1910.181280][T16571] ------------[ cut here ]------------
| [1910.182066][T16571] WARNING: CPU: 0 PID: 16571 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) 
| [ 1910.182691][T16571] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1910.183985][T16571] Tainted: [W]=WARN
[ 1910.184233][T16571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1910.184649][T16571] 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) 
[ 1910.184976][T16571] 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
[ 1910.186096][T16571] RSP: 0018:ffffc90008d87080 EFLAGS: 00010246
[ 1910.186498][T16571] RAX: 0000000000000000 RBX: ffff888005c02000 RCX: 0000000000000001
[ 1910.186961][T16571] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1910.187428][T16571] RBP: ffffc90008d87168 R08: 0000000000000000 R09: 0000000000000000
[ 1910.187917][T16571] R10: ffffc90008d87198 R11: ffffffffa118d1e0 R12: 1ffff920011b0e14
[ 1910.188389][T16571] R13: 00000000000005dc R14: ffffc90008d87198 R15: ffff888005c02f48
[ 1910.188865][T16571] FS:  00007f9afd40c800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 1910.189402][T16571] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1910.189813][T16571] CR2: 00007f9afd5f7ba0 CR3: 0000000015ca1001 CR4: 0000000000772ef0
[ 1910.190298][T16571] PKRU: 55555554
[ 1910.190547][T16571] Call Trace:
[ 1910.190775][T16571]  <TASK>
[1910.190934][T16571] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1910.191240][T16571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1910.191575][T16571] netif_set_mtu (net/core/dev.c:9652) 
[1910.191909][T16571] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1910.192244][T16571] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1910.192485][T16571] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1910.192798][T16571] br_add_if (net/bridge/br_if.c:697) 
[1910.193051][T16571] do_set_master (net/core/rtnetlink.c:2948) 
[1910.193365][T16571] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1910.193687][T16571] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1910.194022][T16571] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1910.194349][T16571] ? __dev_get_by_name (net/core/dev.c:865) 
[1910.194681][T16571] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1910.194999][T16571] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1910.195334][T16571] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1910.195668][T16571] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1910.195993][T16571] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1910.196312][T16571] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1910.196658][T16571] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1910.196991][T16571] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1910.197322][T16571] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1910.197655][T16571] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1910.197976][T16571] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1910.198296][T16571] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1910.198616][T16571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1910.198928][T16571] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1910.199236][T16571] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1910.199557][T16571] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1910.199880][T16571] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1910.200206][T16571] ? 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) 
[1910.200530][T16571] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1910.200849][T16571] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1910.201176][T16571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1910.201499][T16571] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1910.201819][T16571] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1910.202143][T16571] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1910.202508][T16571] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1910.202828][T16571] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1910.203144][T16571] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1910.203543][T16571] ___sys_sendmsg (net/socket.c:2670) 
[1910.203869][T16571] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1910.204186][T16571] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1910.204537][T16571] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1910.204858][T16571] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1910.205198][T16571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1910.205525][T16571] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1910.205845][T16571] __sys_sendmsg (net/socket.c:2700) 
[1910.206170][T16571] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1910.206503][T16571] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1910.206829][T16571] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1910.207170][T16571] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1910.207572][T16571] RIP: 0033:0x7f9afd5d91e7
[ 1910.207884][T16571] 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)
[ 1910.208990][T16571] RSP: 002b:00007fffd1e123e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1910.209486][T16571] RAX: ffffffffffffffda RBX: 00007fffd1e12b20 RCX: 00007f9afd5d91e7
[ 1910.209964][T16571] RDX: 0000000000000000 RSI: 00007fffd1e12450 RDI: 0000000000000005
[ 1910.210426][T16571] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1910.210911][T16571] R10: 00007f9afd667ac0 R11: 0000000000000246 R12: 00007fffd1e12b58
[ 1910.211379][T16571] R13: 00000000686e3b0b R14: 0000000000499600 R15: 00007fffd1e12540
| [ 1914.607368][T16601] ------------[ cut here ]------------
| [1914.609038][T16601] WARNING: CPU: 3 PID: 16601 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) 
| [ 1914.609688][T16601] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1914.610950][T16601] Tainted: [W]=WARN
[ 1914.611181][T16601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1914.611573][T16601] 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) 
[ 1914.611892][T16601] 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
[ 1914.612984][T16601] RSP: 0018:ffffc90008ec7080 EFLAGS: 00010246
[ 1914.613389][T16601] RAX: 0000000000000000 RBX: ffff88802157a000 RCX: 0000000000000001
[ 1914.613877][T16601] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1914.614334][T16601] RBP: ffffc90008ec7168 R08: 0000000000000000 R09: 0000000000000000
[ 1914.614867][T16601] R10: ffffc90008ec7198 R11: ffffffffa118d1e0 R12: 1ffff920011d8e14
[ 1914.615374][T16601] R13: 00000000000005dc R14: ffffc90008ec7198 R15: ffff88802157af48
[ 1914.615868][T16601] FS:  00007f5e85276800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 1914.616436][T16601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1914.616858][T16601] CR2: 00007f5e85461ba0 CR3: 000000001c88c003 CR4: 0000000000772ef0
[ 1914.617367][T16601] PKRU: 55555554
[ 1914.617652][T16601] Call Trace:
[ 1914.617894][T16601]  <TASK>
[1914.618060][T16601] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1914.618382][T16601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1914.618726][T16601] netif_set_mtu (net/core/dev.c:9652) 
[1914.619049][T16601] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1914.619393][T16601] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1914.619645][T16601] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1914.619970][T16601] br_add_if (net/bridge/br_if.c:697) 
[1914.620225][T16601] do_set_master (net/core/rtnetlink.c:2948) 
[1914.620552][T16601] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1914.620876][T16601] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1914.621198][T16601] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1914.621561][T16601] ? __dev_get_by_name (net/core/dev.c:865) 
[1914.621885][T16601] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1914.622205][T16601] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1914.622540][T16601] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1914.622860][T16601] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1914.623188][T16601] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1914.623531][T16601] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1914.624036][T16601] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1914.624574][T16601] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1914.625086][T16601] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1914.625636][T16601] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1914.626184][T16601] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1914.626754][T16601] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1914.627314][T16601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1914.627893][T16601] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1914.628461][T16601] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1914.629011][T16601] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1914.629604][T16601] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1914.630156][T16601] ? 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) 
[1914.630686][T16601] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1914.631103][T16601] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1914.631473][T16601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1914.631796][T16601] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1914.632102][T16601] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1914.632490][T16601] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1914.632844][T16601] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1914.633165][T16601] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1914.633509][T16601] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1914.633929][T16601] ___sys_sendmsg (net/socket.c:2670) 
[1914.634246][T16601] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1914.634578][T16601] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1914.634889][T16601] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1914.635193][T16601] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1914.635523][T16601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1914.635839][T16601] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1914.636150][T16601] __sys_sendmsg (net/socket.c:2700) 
[1914.636512][T16601] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1914.636839][T16601] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1914.637148][T16601] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1914.637504][T16601] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1914.637882][T16601] RIP: 0033:0x7f5e854431e7
[ 1914.638195][T16601] 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)
[ 1914.639318][T16601] RSP: 002b:00007ffe89ee0e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1914.639802][T16601] RAX: ffffffffffffffda RBX: 00007ffe89ee15b0 RCX: 00007f5e854431e7
[ 1914.640270][T16601] RDX: 0000000000000000 RSI: 00007ffe89ee0ee0 RDI: 0000000000000005
[ 1914.640779][T16601] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1914.641249][T16601] R10: 00007f5e854d1ac0 R11: 0000000000000246 R12: 00007ffe89ee15e8
[ 1914.641768][T16601] R13: 00000000686e3b0f R14: 0000000000499600 R15: 00007ffe89ee0fd0
| [ 1934.659213][T16774] ------------[ cut here ]------------
| [1934.660302][T16774] WARNING: CPU: 3 PID: 16774 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) 
| [ 1934.660953][T16774] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1934.662289][T16774] Tainted: [W]=WARN
[ 1934.662551][T16774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1934.662976][T16774] 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) 
[ 1934.663306][T16774] 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
[ 1934.664481][T16774] RSP: 0018:ffffc900094a7080 EFLAGS: 00010246
[ 1934.664896][T16774] RAX: 0000000000000000 RBX: ffff888015c92000 RCX: 0000000000000001
[ 1934.665377][T16774] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1934.665864][T16774] RBP: ffffc900094a7168 R08: 0000000000000000 R09: 0000000000000000
[ 1934.666346][T16774] R10: ffffc900094a7198 R11: ffffffffa118d1e0 R12: 1ffff92001294e14
[ 1934.666927][T16774] R13: 00000000000005dc R14: ffffc900094a7198 R15: ffff888015c92f48
[ 1934.667401][T16774] FS:  00007f789b761800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 1934.667975][T16774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1934.668401][T16774] CR2: 00007f789b861130 CR3: 000000001a9ef006 CR4: 0000000000772ef0
[ 1934.668906][T16774] PKRU: 55555554
[ 1934.669148][T16774] Call Trace:
[ 1934.669388][T16774]  <TASK>
[1934.669563][T16774] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1934.669888][T16774] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1934.670220][T16774] netif_set_mtu (net/core/dev.c:9652) 
[1934.670563][T16774] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1934.670901][T16774] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1934.671146][T16774] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1934.671503][T16774] br_add_if (net/bridge/br_if.c:697) 
[1934.671759][T16774] do_set_master (net/core/rtnetlink.c:2948) 
[1934.672083][T16774] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1934.672410][T16774] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1934.672762][T16774] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1934.673084][T16774] ? __dev_get_by_name (net/core/dev.c:865) 
[1934.673411][T16774] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1934.673763][T16774] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1934.674101][T16774] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1934.674422][T16774] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1934.674759][T16774] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1934.675090][T16774] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1934.675411][T16774] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1934.675752][T16774] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1934.676072][T16774] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1934.676404][T16774] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1934.676734][T16774] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1934.677062][T16774] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1934.677385][T16774] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1934.677726][T16774] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1934.678050][T16774] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1934.678375][T16774] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1934.678728][T16774] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1934.679049][T16774] ? 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) 
[1934.679372][T16774] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1934.679711][T16774] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1934.680033][T16774] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1934.680359][T16774] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1934.680740][T16774] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1934.681079][T16774] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1934.681408][T16774] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1934.681751][T16774] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1934.682069][T16774] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1934.682495][T16774] ___sys_sendmsg (net/socket.c:2670) 
[1934.682818][T16774] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1934.683138][T16774] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1934.683486][T16774] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1934.683819][T16774] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1934.684142][T16774] ? __handle_mm_fault (mm/memory.c:6212) 
[1934.684475][T16774] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1934.684791][T16774] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1934.685130][T16774] __sys_sendmsg (net/socket.c:2700) 
[1934.685466][T16774] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1934.685796][T16774] ? 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) 
[1934.686124][T16774] ? 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) 
[1934.686461][T16774] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1934.686787][T16774] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1934.687109][T16774] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1934.687520][T16774] RIP: 0033:0x7f789b92e1e7
[ 1934.687854][T16774] 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)
[ 1934.688987][T16774] RSP: 002b:00007fff7fc1cb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1934.689488][T16774] RAX: ffffffffffffffda RBX: 00007fff7fc1d250 RCX: 00007f789b92e1e7
[ 1934.689966][T16774] RDX: 0000000000000000 RSI: 00007fff7fc1cb80 RDI: 0000000000000005
[ 1934.690496][T16774] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1934.690971][T16774] R10: 00007f789b9bcac0 R11: 0000000000000246 R12: 00007fff7fc1d288
[ 1934.691443][T16774] R13: 00000000686e3b24 R14: 0000000000499600 R15: 00007fff7fc1cc70
| [ 1938.972418][T16804] ------------[ cut here ]------------
| [1938.973527][T16804] WARNING: CPU: 2 PID: 16804 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) 
| [ 1938.974189][T16804] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1938.975519][T16804] Tainted: [W]=WARN
[ 1938.975777][T16804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1938.976171][T16804] 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) 
[ 1938.976519][T16804] 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
[ 1938.977651][T16804] RSP: 0018:ffffc90009607080 EFLAGS: 00010246
[ 1938.978070][T16804] RAX: 0000000000000000 RBX: ffff888005c02000 RCX: 0000000000000001
[ 1938.978564][T16804] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1938.979045][T16804] RBP: ffffc90009607168 R08: 0000000000000000 R09: 0000000000000000
[ 1938.979528][T16804] R10: ffffc90009607198 R11: ffffffffa118d1e0 R12: 1ffff920012c0e14
[ 1938.979996][T16804] R13: 00000000000005dc R14: ffffc90009607198 R15: ffff888005c02f48
[ 1938.980481][T16804] FS:  00007f919c1aa800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 1938.981030][T16804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1938.981425][T16804] CR2: 000000000043d940 CR3: 000000001fe1c005 CR4: 0000000000772ef0
[ 1938.981911][T16804] PKRU: 55555554
[ 1938.982154][T16804] Call Trace:
[ 1938.982394][T16804]  <TASK>
[1938.982575][T16804] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1938.982907][T16804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1938.983238][T16804] netif_set_mtu (net/core/dev.c:9652) 
[1938.983573][T16804] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1938.983922][T16804] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1938.984168][T16804] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1938.984503][T16804] br_add_if (net/bridge/br_if.c:697) 
[1938.984759][T16804] do_set_master (net/core/rtnetlink.c:2948) 
[1938.985083][T16804] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1938.985421][T16804] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1938.985774][T16804] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1938.986089][T16804] ? __dev_get_by_name (net/core/dev.c:865) 
[1938.986407][T16804] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1938.986737][T16804] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1938.987076][T16804] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1938.987397][T16804] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1938.987763][T16804] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1938.988123][T16804] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1938.988485][T16804] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1938.988833][T16804] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1938.989176][T16804] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1938.989522][T16804] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1938.989855][T16804] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1938.990212][T16804] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1938.990549][T16804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1938.990887][T16804] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1938.991220][T16804] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1938.991551][T16804] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1938.991894][T16804] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1938.992211][T16804] ? 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) 
[1938.992565][T16804] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1938.992889][T16804] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1938.993208][T16804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1938.993542][T16804] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1938.993878][T16804] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1938.994193][T16804] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1938.994532][T16804] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1938.994868][T16804] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1938.995195][T16804] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1938.995608][T16804] ___sys_sendmsg (net/socket.c:2670) 
[1938.995928][T16804] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1938.996246][T16804] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1938.996577][T16804] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1938.996890][T16804] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1938.997220][T16804] ? __handle_mm_fault (mm/memory.c:6212) 
[1938.997547][T16804] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1938.997861][T16804] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1938.998198][T16804] __sys_sendmsg (net/socket.c:2700) 
[1938.998524][T16804] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1938.998839][T16804] ? 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) 
[1938.999164][T16804] ? 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) 
[1938.999502][T16804] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1938.999819][T16804] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1939.000142][T16804] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1939.000539][T16804] RIP: 0033:0x7f919c3771e7
[ 1939.000867][T16804] 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)
[ 1939.001976][T16804] RSP: 002b:00007ffc579ce1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1939.002455][T16804] RAX: ffffffffffffffda RBX: 00007ffc579ce8f0 RCX: 00007f919c3771e7
[ 1939.002920][T16804] RDX: 0000000000000000 RSI: 00007ffc579ce220 RDI: 0000000000000005
[ 1939.003384][T16804] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1939.003884][T16804] R10: 00007f919c405ac0 R11: 0000000000000246 R12: 00007ffc579ce928
[ 1939.004348][T16804] R13: 00000000686e3b28 R14: 0000000000499600 R15: 00007ffc579ce310
| [ 1946.593202][T16869] ------------[ cut here ]------------
| [1946.594478][T16869] WARNING: CPU: 0 PID: 16869 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) 
| [ 1946.595094][T16869] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1946.596362][T16869] Tainted: [W]=WARN
[ 1946.596622][T16869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1946.597003][T16869] 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) 
[ 1946.597323][T16869] 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
[ 1946.598408][T16869] RSP: 0018:ffffc90009897080 EFLAGS: 00010246
[ 1946.598801][T16869] RAX: 0000000000000000 RBX: ffff888014242000 RCX: 0000000000000001
[ 1946.599263][T16869] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1946.599726][T16869] RBP: ffffc90009897168 R08: 0000000000000000 R09: 0000000000000000
[ 1946.600182][T16869] R10: ffffc90009897198 R11: ffffffffa118d1e0 R12: 1ffff92001312e14
[ 1946.600661][T16869] R13: 00000000000005dc R14: ffffc90009897198 R15: ffff888014242f48
[ 1946.601112][T16869] FS:  00007f5b319b3800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 1946.601657][T16869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1946.602039][T16869] CR2: 00007f5b31b9eba0 CR3: 0000000019034005 CR4: 0000000000772ef0
[ 1946.602501][T16869] PKRU: 55555554
[ 1946.602731][T16869] Call Trace:
[ 1946.602958][T16869]  <TASK>
[1946.603116][T16869] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1946.603427][T16869] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1946.603760][T16869] netif_set_mtu (net/core/dev.c:9652) 
[1946.604076][T16869] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1946.604392][T16869] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1946.604647][T16869] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1946.604956][T16869] br_add_if (net/bridge/br_if.c:697) 
[1946.605195][T16869] do_set_master (net/core/rtnetlink.c:2948) 
[1946.605504][T16869] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1946.605817][T16869] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1946.606123][T16869] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1946.606421][T16869] ? __dev_get_by_name (net/core/dev.c:865) 
[1946.606736][T16869] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1946.607038][T16869] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1946.607350][T16869] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1946.607664][T16869] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1946.607977][T16869] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1946.608289][T16869] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1946.608650][T16869] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1946.608964][T16869] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1946.609274][T16869] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1946.609595][T16869] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1946.609901][T16869] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1946.610205][T16869] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1946.610531][T16869] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1946.610839][T16869] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1946.611144][T16869] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1946.611461][T16869] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1946.611775][T16869] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1946.612077][T16869] ? 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) 
[1946.612385][T16869] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1946.612726][T16869] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1946.613033][T16869] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1946.613341][T16869] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1946.613664][T16869] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1946.613984][T16869] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1946.614297][T16869] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1946.614617][T16869] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1946.614925][T16869] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1946.615315][T16869] ___sys_sendmsg (net/socket.c:2670) 
[1946.615632][T16869] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1946.615937][T16869] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1946.616249][T16869] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1946.616574][T16869] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1946.616882][T16869] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1946.617198][T16869] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1946.617519][T16869] __sys_sendmsg (net/socket.c:2700) 
[1946.617824][T16869] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1946.618137][T16869] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1946.618442][T16869] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1946.618763][T16869] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1946.619140][T16869] RIP: 0033:0x7f5b31b801e7
[ 1946.619466][T16869] 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)
[ 1946.620576][T16869] RSP: 002b:00007fff2ff8aa58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1946.621039][T16869] RAX: ffffffffffffffda RBX: 00007fff2ff8b190 RCX: 00007f5b31b801e7
[ 1946.621513][T16869] RDX: 0000000000000000 RSI: 00007fff2ff8aac0 RDI: 0000000000000005
[ 1946.621977][T16869] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1946.622430][T16869] R10: 00007f5b31c0eac0 R11: 0000000000000246 R12: 00007fff2ff8b1c8
[ 1946.622893][T16869] R13: 00000000686e3b2f R14: 0000000000499600 R15: 00007fff2ff8abb0
| [ 1950.941804][T16899] ------------[ cut here ]------------
| [1950.942208][T16899] WARNING: CPU: 2 PID: 16899 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) 
| [ 1950.942908][T16899] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1950.944316][T16899] Tainted: [W]=WARN
[ 1950.944628][T16899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1950.945067][T16899] 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) 
[ 1950.945417][T16899] 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
[ 1950.946622][T16899] RSP: 0018:ffffc900099b7080 EFLAGS: 00010246
[ 1950.947067][T16899] RAX: 0000000000000000 RBX: ffff8880215d2000 RCX: 0000000000000001
[ 1950.947586][T16899] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1950.948134][T16899] RBP: ffffc900099b7168 R08: 0000000000000000 R09: 0000000000000000
[ 1950.948648][T16899] R10: ffffc900099b7198 R11: ffffffffa118d1e0 R12: 1ffff92001336e14
[ 1950.949157][T16899] R13: 00000000000005dc R14: ffffc900099b7198 R15: ffff8880215d2f48
[ 1950.949660][T16899] FS:  00007fbcb7ea5800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 1950.950253][T16899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1950.950686][T16899] CR2: 00007fbcb8090ba0 CR3: 0000000009381006 CR4: 0000000000772ef0
[ 1950.951193][T16899] PKRU: 55555554
[ 1950.951475][T16899] Call Trace:
[ 1950.951740][T16899]  <TASK>
[1950.951939][T16899] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1950.952282][T16899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1950.952668][T16899] netif_set_mtu (net/core/dev.c:9652) 
[1950.953030][T16899] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1950.953385][T16899] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1950.953660][T16899] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1950.954054][T16899] br_add_if (net/bridge/br_if.c:697) 
[1950.954331][T16899] do_set_master (net/core/rtnetlink.c:2948) 
[1950.954682][T16899] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1950.955053][T16899] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1950.955397][T16899] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1950.955756][T16899] ? __dev_get_by_name (net/core/dev.c:865) 
[1950.956112][T16899] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1950.956456][T16899] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1950.956795][T16899] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1950.957144][T16899] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1950.957499][T16899] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1950.957865][T16899] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1950.958231][T16899] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1950.958593][T16899] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1950.958929][T16899] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1950.959282][T16899] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1950.959636][T16899] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1950.959981][T16899] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1950.960368][T16899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1950.960727][T16899] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1950.961064][T16899] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1950.961419][T16899] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1950.961778][T16899] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1950.962113][T16899] ? 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) 
[1950.962466][T16899] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1950.962816][T16899] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1950.963151][T16899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1950.963538][T16899] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1950.963899][T16899] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1950.964253][T16899] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1950.964610][T16899] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1950.964948][T16899] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1950.965286][T16899] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1950.965726][T16899] ___sys_sendmsg (net/socket.c:2670) 
[1950.966057][T16899] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1950.966429][T16899] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1950.966778][T16899] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1950.967107][T16899] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1950.967482][T16899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1950.967827][T16899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1950.968175][T16899] __sys_sendmsg (net/socket.c:2700) 
[1950.968580][T16899] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1950.968937][T16899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1950.969280][T16899] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1950.969647][T16899] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1950.970073][T16899] RIP: 0033:0x7fbcb80721e7
[ 1950.970437][T16899] 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)
[ 1950.971647][T16899] RSP: 002b:00007ffe119805a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1950.972144][T16899] RAX: ffffffffffffffda RBX: 00007ffe11980ce0 RCX: 00007fbcb80721e7
[ 1950.972696][T16899] RDX: 0000000000000000 RSI: 00007ffe11980610 RDI: 0000000000000005
[ 1950.973198][T16899] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1950.973715][T16899] R10: 00007fbcb8100ac0 R11: 0000000000000246 R12: 00007ffe11980d18
[ 1950.974232][T16899] R13: 00000000686e3b34 R14: 0000000000499600 R15: 00007ffe11980700
| [ 1971.066276][T17072] ------------[ cut here ]------------
| [1971.066657][T17072] WARNING: CPU: 0 PID: 17072 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) 
| [ 1971.067344][T17072] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1971.070233][T17072] Tainted: [W]=WARN
[ 1971.070521][T17072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1971.070956][T17072] 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) 
[ 1971.071310][T17072] 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
[ 1971.072581][T17072] RSP: 0018:ffffc90009f47080 EFLAGS: 00010246
[ 1971.073020][T17072] RAX: 0000000000000000 RBX: ffff88801a3ca000 RCX: 0000000000000001
[ 1971.073545][T17072] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1971.074076][T17072] RBP: ffffc90009f47168 R08: 0000000000000000 R09: 0000000000000000
[ 1971.074609][T17072] R10: ffffc90009f47198 R11: ffffffffa118d1e0 R12: 1ffff920013e8e14
[ 1971.075125][T17072] R13: 00000000000005dc R14: ffffc90009f47198 R15: ffff88801a3caf48
[ 1971.075646][T17072] FS:  00007fe679bba800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 1971.076244][T17072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1971.076702][T17072] CR2: 000000000043d940 CR3: 00000000050d7006 CR4: 0000000000772ef0
[ 1971.077233][T17072] PKRU: 55555554
[ 1971.077501][T17072] Call Trace:
[ 1971.077760][T17072]  <TASK>
[1971.077939][T17072] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1971.078285][T17072] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1971.078655][T17072] netif_set_mtu (net/core/dev.c:9652) 
[1971.079000][T17072] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1971.079358][T17072] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1971.079638][T17072] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1971.079987][T17072] br_add_if (net/bridge/br_if.c:697) 
[1971.080259][T17072] do_set_master (net/core/rtnetlink.c:2948) 
[1971.080624][T17072] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1971.080971][T17072] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1971.081318][T17072] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1971.081665][T17072] ? __dev_get_by_name (net/core/dev.c:865) 
[1971.082017][T17072] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1971.082359][T17072] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1971.082717][T17072] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1971.083060][T17072] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1971.083407][T17072] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1971.083770][T17072] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1971.084137][T17072] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1971.084522][T17072] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1971.084875][T17072] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1971.085220][T17072] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1971.085571][T17072] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1971.085919][T17072] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1971.086265][T17072] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1971.086622][T17072] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1971.086983][T17072] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1971.087335][T17072] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1971.087701][T17072] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1971.088042][T17072] ? 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) 
[1971.088386][T17072] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1971.088753][T17072] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1971.089099][T17072] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1971.089462][T17072] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1971.089822][T17072] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1971.090181][T17072] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1971.090547][T17072] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1971.090898][T17072] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1971.091242][T17072] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1971.091691][T17072] ___sys_sendmsg (net/socket.c:2670) 
[1971.092037][T17072] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1971.092385][T17072] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1971.092751][T17072] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1971.093099][T17072] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1971.093460][T17072] ? __handle_mm_fault (mm/memory.c:6212) 
[1971.093803][T17072] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1971.094154][T17072] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1971.094528][T17072] __sys_sendmsg (net/socket.c:2700) 
[1971.094883][T17072] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1971.095226][T17072] ? 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) 
[1971.095588][T17072] ? 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) 
[1971.095938][T17072] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1971.096284][T17072] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1971.096650][T17072] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1971.097080][T17072] RIP: 0033:0x7fe679d871e7
[ 1971.097438][T17072] 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)
[ 1971.098671][T17072] RSP: 002b:00007ffc8dd31d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1971.099191][T17072] RAX: ffffffffffffffda RBX: 00007ffc8dd324c0 RCX: 00007fe679d871e7
[ 1971.099727][T17072] RDX: 0000000000000000 RSI: 00007ffc8dd31df0 RDI: 0000000000000005
[ 1971.100243][T17072] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1971.100780][T17072] R10: 00007fe679e15ac0 R11: 0000000000000246 R12: 00007ffc8dd324f8
[ 1971.101300][T17072] R13: 00000000686e3b48 R14: 0000000000499600 R15: 00007ffc8dd31ee0
| [ 1975.338887][T17102] ------------[ cut here ]------------
| [1975.339218][T17102] WARNING: CPU: 3 PID: 17102 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) 
| [ 1975.339848][T17102] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1975.341147][T17102] Tainted: [W]=WARN
[ 1975.341378][T17102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1975.342419][T17102] 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) 
[ 1975.342756][T17102] 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
[ 1975.343863][T17102] RSP: 0018:ffffc9000a047080 EFLAGS: 00010246
[ 1975.344250][T17102] RAX: 0000000000000000 RBX: ffff888014242000 RCX: 0000000000000001
[ 1975.344723][T17102] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1975.345193][T17102] RBP: ffffc9000a047168 R08: 0000000000000000 R09: 0000000000000000
[ 1975.345661][T17102] R10: ffffc9000a047198 R11: ffffffffa118d1e0 R12: 1ffff92001408e14
[ 1975.346128][T17102] R13: 00000000000005dc R14: ffffc9000a047198 R15: ffff888014242f48
[ 1975.346601][T17102] FS:  00007f3587702800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 1975.347139][T17102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1975.347534][T17102] CR2: 000000000043d940 CR3: 0000000011fd1005 CR4: 0000000000772ef0
[ 1975.348003][T17102] PKRU: 55555554
[ 1975.348232][T17102] Call Trace:
[ 1975.348480][T17102]  <TASK>
[1975.348643][T17102] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1975.348949][T17102] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1975.349267][T17102] netif_set_mtu (net/core/dev.c:9652) 
[1975.349580][T17102] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1975.349903][T17102] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1975.350140][T17102] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1975.350459][T17102] br_add_if (net/bridge/br_if.c:697) 
[1975.350704][T17102] do_set_master (net/core/rtnetlink.c:2948) 
[1975.351004][T17102] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1975.351307][T17102] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1975.351627][T17102] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1975.351932][T17102] ? __dev_get_by_name (net/core/dev.c:865) 
[1975.352237][T17102] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1975.352569][T17102] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1975.352883][T17102] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1975.353184][T17102] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1975.353502][T17102] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1975.353832][T17102] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1975.354152][T17102] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1975.354476][T17102] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1975.354788][T17102] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1975.355091][T17102] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1975.355391][T17102] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1975.355707][T17102] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1975.356015][T17102] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1975.356324][T17102] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1975.356649][T17102] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1975.356958][T17102] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1975.357276][T17102] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1975.357586][T17102] ? 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) 
[1975.357895][T17102] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1975.358200][T17102] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1975.358510][T17102] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1975.358819][T17102] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1975.359131][T17102] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1975.359439][T17102] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1975.359759][T17102] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1975.360065][T17102] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1975.360364][T17102] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1975.360779][T17102] ___sys_sendmsg (net/socket.c:2670) 
[1975.361093][T17102] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1975.361397][T17102] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1975.361722][T17102] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1975.362025][T17102] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1975.362333][T17102] ? __handle_mm_fault (mm/memory.c:6212) 
[1975.362645][T17102] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1975.362951][T17102] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1975.363281][T17102] __sys_sendmsg (net/socket.c:2700) 
[1975.363604][T17102] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1975.363925][T17102] ? 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) 
[1975.364243][T17102] ? 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) 
[1975.364576][T17102] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1975.364887][T17102] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1975.365192][T17102] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1975.365577][T17102] RIP: 0033:0x7f35878cf1e7
[ 1975.365891][T17102] 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)
[ 1975.366986][T17102] RSP: 002b:00007ffe14c88378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1975.367445][T17102] RAX: ffffffffffffffda RBX: 00007ffe14c88ab0 RCX: 00007f35878cf1e7
[ 1975.367915][T17102] RDX: 0000000000000000 RSI: 00007ffe14c883e0 RDI: 0000000000000005
[ 1975.368375][T17102] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1975.368898][T17102] R10: 00007f358795dac0 R11: 0000000000000246 R12: 00007ffe14c88ae8
[ 1975.369357][T17102] R13: 00000000686e3b4c R14: 0000000000499600 R15: 00007ffe14c884d0
| [ 1982.895431][T17168] ------------[ cut here ]------------
| [1982.895843][T17168] WARNING: CPU: 1 PID: 17168 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) 
| [ 1982.896537][T17168] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1982.897949][T17168] Tainted: [W]=WARN
[ 1982.898211][T17168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1982.898668][T17168] 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) 
[ 1982.899040][T17168] 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
[ 1982.900283][T17168] RSP: 0018:ffffc9000a317080 EFLAGS: 00010246
[ 1982.900729][T17168] RAX: 0000000000000000 RBX: ffff88801e852000 RCX: 0000000000000001
[ 1982.901254][T17168] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1982.901782][T17168] RBP: ffffc9000a317168 R08: 0000000000000000 R09: 0000000000000000
[ 1982.902302][T17168] R10: ffffc9000a317198 R11: ffffffffa118d1e0 R12: 1ffff92001462e14
[ 1982.902853][T17168] R13: 00000000000005dc R14: ffffc9000a317198 R15: ffff88801e852f48
[ 1982.903380][T17168] FS:  00007ff996c73800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 1982.904024][T17168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1982.904471][T17168] CR2: 00007ff996e5eba0 CR3: 00000000117ee001 CR4: 0000000000772ef0
[ 1982.904991][T17168] PKRU: 55555554
[ 1982.905250][T17168] Call Trace:
[ 1982.905522][T17168]  <TASK>
[1982.905702][T17168] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1982.906050][T17168] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1982.906407][T17168] netif_set_mtu (net/core/dev.c:9652) 
[1982.906773][T17168] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1982.907136][T17168] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1982.907397][T17168] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1982.907757][T17168] br_add_if (net/bridge/br_if.c:697) 
[1982.908032][T17168] do_set_master (net/core/rtnetlink.c:2948) 
[1982.908374][T17168] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1982.908735][T17168] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1982.909086][T17168] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1982.909428][T17168] ? __dev_get_by_name (net/core/dev.c:865) 
[1982.909783][T17168] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1982.910128][T17168] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1982.910511][T17168] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1982.910856][T17168] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1982.911207][T17168] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1982.911573][T17168] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1982.911926][T17168] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1982.912283][T17168] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1982.912636][T17168] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1982.912981][T17168] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1982.913329][T17168] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1982.913688][T17168] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1982.914061][T17168] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1982.914414][T17168] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1982.914790][T17168] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1982.915143][T17168] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1982.915514][T17168] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1982.915873][T17168] ? 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) 
[1982.916223][T17168] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1982.916581][T17168] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1982.916928][T17168] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1982.917280][T17168] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1982.917643][T17168] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1982.917992][T17168] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1982.918354][T17168] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1982.918726][T17168] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1982.919074][T17168] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1982.919526][T17168] ___sys_sendmsg (net/socket.c:2670) 
[1982.919874][T17168] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1982.920221][T17168] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1982.920577][T17168] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1982.920931][T17168] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1982.921277][T17168] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1982.921640][T17168] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1982.921991][T17168] __sys_sendmsg (net/socket.c:2700) 
[1982.922339][T17168] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1982.922723][T17168] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1982.923076][T17168] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1982.923437][T17168] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1982.923895][T17168] RIP: 0033:0x7ff996e401e7
[ 1982.924256][T17168] 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)
[ 1982.925489][T17168] RSP: 002b:00007ffdc2ef2418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1982.926019][T17168] RAX: ffffffffffffffda RBX: 00007ffdc2ef2b50 RCX: 00007ff996e401e7
[ 1982.926560][T17168] RDX: 0000000000000000 RSI: 00007ffdc2ef2480 RDI: 0000000000000005
[ 1982.927077][T17168] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1982.927603][T17168] R10: 00007ff996eceac0 R11: 0000000000000246 R12: 00007ffdc2ef2b88
[ 1982.928118][T17168] R13: 00000000686e3b54 R14: 0000000000499600 R15: 00007ffdc2ef2570
| [ 1987.473751][T17198] ------------[ cut here ]------------
| [1987.474092][T17198] WARNING: CPU: 1 PID: 17198 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) 
| [ 1987.474747][T17198] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1987.476082][T17198] Tainted: [W]=WARN
[ 1987.476330][T17198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1987.477779][T17198] 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) 
[ 1987.478131][T17198] 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
[ 1987.479282][T17198] RSP: 0018:ffffc9000a467080 EFLAGS: 00010246
[ 1987.479710][T17198] RAX: 0000000000000000 RBX: ffff888015ea2000 RCX: 0000000000000001
[ 1987.480189][T17198] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 1987.480682][T17198] RBP: ffffc9000a467168 R08: 0000000000000000 R09: 0000000000000000
[ 1987.481178][T17198] R10: ffffc9000a467198 R11: ffffffffa118d1e0 R12: 1ffff9200148ce14
[ 1987.481665][T17198] R13: 00000000000005dc R14: ffffc9000a467198 R15: ffff888015ea2f48
[ 1987.482142][T17198] FS:  00007ff43bdc2800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 1987.482708][T17198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1987.483114][T17198] CR2: 00007ff43bfadba0 CR3: 0000000016ba5003 CR4: 0000000000772ef0
[ 1987.483615][T17198] PKRU: 55555554
[ 1987.483861][T17198] Call Trace:
[ 1987.484104][T17198]  <TASK>
[1987.484273][T17198] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1987.484601][T17198] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1987.484934][T17198] netif_set_mtu (net/core/dev.c:9652) 
[1987.485257][T17198] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1987.485616][T17198] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1987.485859][T17198] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1987.486181][T17198] br_add_if (net/bridge/br_if.c:697) 
[1987.486431][T17198] do_set_master (net/core/rtnetlink.c:2948) 
[1987.486758][T17198] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1987.487076][T17198] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1987.487395][T17198] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1987.487729][T17198] ? __dev_get_by_name (net/core/dev.c:865) 
[1987.488058][T17198] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1987.488378][T17198] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1987.488727][T17198] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1987.489046][T17198] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1987.489371][T17198] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1987.489713][T17198] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1987.490043][T17198] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1987.490376][T17198] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1987.490710][T17198] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1987.491031][T17198] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1987.491349][T17198] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1987.491695][T17198] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1987.492019][T17198] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1987.492343][T17198] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1987.492676][T17198] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1987.493006][T17198] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1987.493334][T17198] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1987.493645][T17198] ? 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) 
[1987.493962][T17198] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1987.494279][T17198] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1987.494595][T17198] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1987.494902][T17198] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1987.495223][T17198] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1987.495560][T17198] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1987.495872][T17198] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1987.496187][T17198] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1987.496513][T17198] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1987.496924][T17198] ___sys_sendmsg (net/socket.c:2670) 
[1987.497245][T17198] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1987.497589][T17198] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1987.497912][T17198] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1987.498243][T17198] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1987.498574][T17198] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1987.498893][T17198] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1987.499213][T17198] __sys_sendmsg (net/socket.c:2700) 
[1987.499543][T17198] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1987.499869][T17198] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1987.500185][T17198] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1987.500505][T17198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1987.500884][T17198] RIP: 0033:0x7ff43bf8f1e7
[ 1987.501204][T17198] 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)
[ 1987.502312][T17198] RSP: 002b:00007ffd892fd548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1987.502776][T17198] RAX: ffffffffffffffda RBX: 00007ffd892fdc80 RCX: 00007ff43bf8f1e7
[ 1987.503251][T17198] RDX: 0000000000000000 RSI: 00007ffd892fd5b0 RDI: 0000000000000005
[ 1987.503729][T17198] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1987.504207][T17198] R10: 00007ff43c01dac0 R11: 0000000000000246 R12: 00007ffd892fdcb8
[ 1987.504672][T17198] R13: 00000000686e3b58 R14: 0000000000499600 R15: 00007ffd892fd6a0
| [ 2007.639119][T17371] ------------[ cut here ]------------
| [2007.639501][T17371] WARNING: CPU: 2 PID: 17371 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) 
| [ 2007.640180][T17371] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2007.641633][T17371] Tainted: [W]=WARN
[ 2007.641899][T17371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2007.642568][T17371] 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) 
[ 2007.642920][T17371] 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
[ 2007.644210][T17371] RSP: 0018:ffffc9000a917080 EFLAGS: 00010246
[ 2007.644729][T17371] RAX: 0000000000000000 RBX: ffff8880204b2000 RCX: 0000000000000001
[ 2007.645382][T17371] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2007.645965][T17371] RBP: ffffc9000a917168 R08: 0000000000000000 R09: 0000000000000000
[ 2007.646671][T17371] R10: ffffc9000a917198 R11: ffffffffa118d1e0 R12: 1ffff92001522e14
[ 2007.647193][T17371] R13: 00000000000005dc R14: ffffc9000a917198 R15: ffff8880204b2f48
[ 2007.647766][T17371] FS:  00007fcc44f05800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2007.648594][T17371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2007.649185][T17371] CR2: 000000000043d940 CR3: 000000000fb0b003 CR4: 0000000000772ef0
[ 2007.649779][T17371] PKRU: 55555554
[ 2007.650118][T17371] Call Trace:
[ 2007.650596][T17371]  <TASK>
[2007.650806][T17371] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2007.651218][T17371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2007.651730][T17371] netif_set_mtu (net/core/dev.c:9652) 
[2007.652113][T17371] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2007.652489][T17371] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2007.652750][T17371] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2007.653184][T17371] br_add_if (net/bridge/br_if.c:697) 
[2007.653545][T17371] do_set_master (net/core/rtnetlink.c:2948) 
[2007.654028][T17371] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2007.654482][T17371] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2007.654830][T17371] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2007.655190][T17371] ? __dev_get_by_name (net/core/dev.c:865) 
[2007.655602][T17371] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2007.655938][T17371] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2007.656295][T17371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2007.656665][T17371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2007.657015][T17371] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2007.657377][T17371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2007.657735][T17371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2007.658109][T17371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2007.658439][T17371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2007.658789][T17371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2007.659141][T17371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2007.659489][T17371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2007.659825][T17371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2007.660183][T17371] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2007.660541][T17371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2007.660881][T17371] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2007.661243][T17371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2007.661596][T17371] ? 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) 
[2007.661935][T17371] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2007.662289][T17371] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2007.662630][T17371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2007.662973][T17371] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2007.663328][T17371] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2007.663682][T17371] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2007.664072][T17371] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2007.664569][T17371] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2007.664974][T17371] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2007.665596][T17371] ___sys_sendmsg (net/socket.c:2670) 
[2007.666069][T17371] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2007.666671][T17371] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2007.667241][T17371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2007.667659][T17371] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2007.668079][T17371] ? __handle_mm_fault (mm/memory.c:6212) 
[2007.668564][T17371] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2007.668904][T17371] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2007.669338][T17371] __sys_sendmsg (net/socket.c:2700) 
[2007.669693][T17371] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2007.670131][T17371] ? 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) 
[2007.670502][T17371] ? 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) 
[2007.670836][T17371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2007.671197][T17371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2007.671670][T17371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2007.672174][T17371] RIP: 0033:0x7fcc450d21e7
[ 2007.672662][T17371] 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)
[ 2007.674185][T17371] RSP: 002b:00007ffdfc7e2d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2007.674848][T17371] RAX: ffffffffffffffda RBX: 00007ffdfc7e3460 RCX: 00007fcc450d21e7
[ 2007.675359][T17371] RDX: 0000000000000000 RSI: 00007ffdfc7e2d90 RDI: 0000000000000005
[ 2007.675957][T17371] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2007.676544][T17371] R10: 00007fcc45160ac0 R11: 0000000000000246 R12: 00007ffdfc7e3498
[ 2007.677183][T17371] R13: 00000000686e3b6d R14: 0000000000499600 R15: 00007ffdfc7e2e80
| [ 2012.041171][T17401] ------------[ cut here ]------------
| [2012.041533][T17401] WARNING: CPU: 2 PID: 17401 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) 
| [ 2012.042185][T17401] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2012.043570][T17401] Tainted: [W]=WARN
[ 2012.043843][T17401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2012.044257][T17401] 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) 
[ 2012.044616][T17401] 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
[ 2012.045759][T17401] RSP: 0018:ffffc9000aac7080 EFLAGS: 00010246
[ 2012.046179][T17401] RAX: 0000000000000000 RBX: ffff88801e852000 RCX: 0000000000000001
[ 2012.046687][T17401] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2012.047164][T17401] RBP: ffffc9000aac7168 R08: 0000000000000000 R09: 0000000000000000
[ 2012.047649][T17401] R10: ffffc9000aac7198 R11: ffffffffa118d1e0 R12: 1ffff92001558e14
[ 2012.048130][T17401] R13: 00000000000005dc R14: ffffc9000aac7198 R15: ffff88801e852f48
[ 2012.048649][T17401] FS:  00007f609a148800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2012.049196][T17401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2012.049613][T17401] CR2: 000000000043d940 CR3: 000000001317f005 CR4: 0000000000772ef0
[ 2012.050096][T17401] PKRU: 55555554
[ 2012.050360][T17401] Call Trace:
[ 2012.050627][T17401]  <TASK>
[2012.050803][T17401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2012.051141][T17401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2012.051501][T17401] netif_set_mtu (net/core/dev.c:9652) 
[2012.051831][T17401] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2012.052183][T17401] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2012.052433][T17401] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2012.052787][T17401] br_add_if (net/bridge/br_if.c:697) 
[2012.053052][T17401] do_set_master (net/core/rtnetlink.c:2948) 
[2012.053378][T17401] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2012.053719][T17401] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2012.054060][T17401] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2012.054386][T17401] ? __dev_get_by_name (net/core/dev.c:865) 
[2012.054734][T17401] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2012.055068][T17401] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2012.055405][T17401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2012.055736][T17401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2012.056078][T17401] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2012.056411][T17401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2012.056813][T17401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2012.057153][T17401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2012.057486][T17401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2012.057838][T17401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2012.058162][T17401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2012.058536][T17401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2012.058869][T17401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2012.059202][T17401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2012.059544][T17401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2012.059874][T17401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2012.060256][T17401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2012.060616][T17401] ? 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) 
[2012.060972][T17401] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2012.061345][T17401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2012.061681][T17401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2012.062053][T17401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2012.062419][T17401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2012.062816][T17401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2012.063175][T17401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2012.063547][T17401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2012.063880][T17401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2012.064295][T17401] ___sys_sendmsg (net/socket.c:2670) 
[2012.064629][T17401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2012.064992][T17401] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2012.065379][T17401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2012.065736][T17401] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2012.066062][T17401] ? __handle_mm_fault (mm/memory.c:6212) 
[2012.066391][T17401] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2012.066735][T17401] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2012.067081][T17401] __sys_sendmsg (net/socket.c:2700) 
[2012.067401][T17401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2012.067744][T17401] ? 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) 
[2012.068074][T17401] ? 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) 
[2012.068404][T17401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2012.068733][T17401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2012.069063][T17401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2012.069478][T17401] RIP: 0033:0x7f609a3151e7
[ 2012.069806][T17401] 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)
[ 2012.070955][T17401] RSP: 002b:00007fff28a34948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2012.071436][T17401] RAX: ffffffffffffffda RBX: 00007fff28a35080 RCX: 00007f609a3151e7
[ 2012.071915][T17401] RDX: 0000000000000000 RSI: 00007fff28a349b0 RDI: 0000000000000005
[ 2012.072395][T17401] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2012.072869][T17401] R10: 00007f609a3a3ac0 R11: 0000000000000246 R12: 00007fff28a350b8
[ 2012.073359][T17401] R13: 00000000686e3b71 R14: 0000000000499600 R15: 00007fff28a34aa0
| [ 2019.547047][T17466] ------------[ cut here ]------------
| [2019.547373][T17466] WARNING: CPU: 0 PID: 17466 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) 
| [ 2019.548003][T17466] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2019.549334][T17466] Tainted: [W]=WARN
[ 2019.550580][T17466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2019.550969][T17466] 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) 
[ 2019.551286][T17466] 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
[ 2019.552442][T17466] RSP: 0018:ffffc9000aa77080 EFLAGS: 00010246
[ 2019.552912][T17466] RAX: 0000000000000000 RBX: ffff888016ab2000 RCX: 0000000000000001
[ 2019.553376][T17466] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2019.553856][T17466] RBP: ffffc9000aa77168 R08: 0000000000000000 R09: 0000000000000000
[ 2019.554339][T17466] R10: ffffc9000aa77198 R11: ffffffffa118d1e0 R12: 1ffff9200154ee14
[ 2019.554818][T17466] R13: 00000000000005dc R14: ffffc9000aa77198 R15: ffff888016ab2f48
[ 2019.555282][T17466] FS:  00007f8d13317800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 2019.555835][T17466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2019.556233][T17466] CR2: 00007f8d13502ba0 CR3: 000000001446d001 CR4: 0000000000772ef0
[ 2019.556721][T17466] PKRU: 55555554
[ 2019.556955][T17466] Call Trace:
[ 2019.557185][T17466]  <TASK>
[2019.557346][T17466] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2019.557669][T17466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2019.557995][T17466] netif_set_mtu (net/core/dev.c:9652) 
[2019.558304][T17466] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2019.558647][T17466] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2019.558882][T17466] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2019.559197][T17466] br_add_if (net/bridge/br_if.c:697) 
[2019.559441][T17466] do_set_master (net/core/rtnetlink.c:2948) 
[2019.559757][T17466] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2019.560078][T17466] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2019.560434][T17466] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2019.560779][T17466] ? __dev_get_by_name (net/core/dev.c:865) 
[2019.561097][T17466] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2019.561422][T17466] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2019.561757][T17466] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2019.562071][T17466] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2019.562395][T17466] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2019.562729][T17466] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2019.563052][T17466] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2019.563390][T17466] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2019.563711][T17466] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2019.564052][T17466] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2019.564368][T17466] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2019.564714][T17466] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2019.565068][T17466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2019.565411][T17466] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2019.565759][T17466] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2019.566086][T17466] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2019.566413][T17466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2019.566738][T17466] ? 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) 
[2019.567060][T17466] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2019.567386][T17466] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2019.567714][T17466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2019.568045][T17466] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2019.568367][T17466] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2019.568801][T17466] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2019.569291][T17466] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2019.569763][T17466] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2019.570295][T17466] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2019.570880][T17466] ___sys_sendmsg (net/socket.c:2670) 
[2019.571244][T17466] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2019.571651][T17466] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2019.572077][T17466] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2019.572650][T17466] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2019.573205][T17466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2019.573774][T17466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2019.574319][T17466] __sys_sendmsg (net/socket.c:2700) 
[2019.574856][T17466] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2019.575410][T17466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2019.575968][T17466] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2019.576554][T17466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2019.577225][T17466] RIP: 0033:0x7f8d134e41e7
[ 2019.577822][T17466] 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)
[ 2019.579854][T17466] RSP: 002b:00007ffc77b283f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2019.580694][T17466] RAX: ffffffffffffffda RBX: 00007ffc77b28b30 RCX: 00007f8d134e41e7
[ 2019.581503][T17466] RDX: 0000000000000000 RSI: 00007ffc77b28460 RDI: 0000000000000005
[ 2019.582280][T17466] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2019.583103][T17466] R10: 00007f8d13572ac0 R11: 0000000000000246 R12: 00007ffc77b28b68
[ 2019.583926][T17466] R13: 00000000686e3b78 R14: 0000000000499600 R15: 00007ffc77b28550
| [ 2023.875148][T17496] ------------[ cut here ]------------
| [2023.875513][T17496] WARNING: CPU: 0 PID: 17496 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) 
| [ 2023.876161][T17496] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2023.878282][T17496] Tainted: [W]=WARN
[ 2023.878549][T17496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2023.878957][T17496] 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) 
[ 2023.879289][T17496] 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
[ 2023.880439][T17496] RSP: 0018:ffffc9000a537080 EFLAGS: 00010246
[ 2023.880867][T17496] RAX: 0000000000000000 RBX: ffff888015bca000 RCX: 0000000000000001
[ 2023.881353][T17496] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2023.881843][T17496] RBP: ffffc9000a537168 R08: 0000000000000000 R09: 0000000000000000
[ 2023.882321][T17496] R10: ffffc9000a537198 R11: ffffffffa118d1e0 R12: 1ffff920014a6e14
[ 2023.882811][T17496] R13: 00000000000005dc R14: ffffc9000a537198 R15: ffff888015bcaf48
[ 2023.883295][T17496] FS:  00007fd3b6850800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 2023.883866][T17496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2023.884282][T17496] CR2: 00007fd3b6950130 CR3: 0000000005a7b004 CR4: 0000000000772ef0
[ 2023.884784][T17496] PKRU: 55555554
[ 2023.885031][T17496] Call Trace:
[ 2023.885270][T17496]  <TASK>
[2023.885445][T17496] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2023.885782][T17496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2023.886118][T17496] netif_set_mtu (net/core/dev.c:9652) 
[2023.886441][T17496] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2023.886787][T17496] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2023.887033][T17496] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2023.887361][T17496] br_add_if (net/bridge/br_if.c:697) 
[2023.887621][T17496] do_set_master (net/core/rtnetlink.c:2948) 
[2023.887950][T17496] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2023.888273][T17496] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2023.888626][T17496] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2023.888948][T17496] ? __dev_get_by_name (net/core/dev.c:865) 
[2023.889271][T17496] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2023.889614][T17496] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2023.889939][T17496] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2023.890264][T17496] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2023.890602][T17496] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2023.890936][T17496] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2023.891266][T17496] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2023.891610][T17496] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2023.891932][T17496] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2023.892253][T17496] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2023.892603][T17496] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2023.892955][T17496] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2023.893279][T17496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2023.893618][T17496] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2023.893949][T17496] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2023.894274][T17496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2023.894621][T17496] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2023.894943][T17496] ? 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) 
[2023.895275][T17496] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2023.895615][T17496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2023.895940][T17496] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2023.896266][T17496] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2023.896620][T17496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2023.896947][T17496] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2023.897284][T17496] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2023.897627][T17496] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2023.897950][T17496] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2023.898361][T17496] ___sys_sendmsg (net/socket.c:2670) 
[2023.898698][T17496] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2023.899023][T17496] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2023.899357][T17496] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2023.899695][T17496] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2023.900028][T17496] ? __handle_mm_fault (mm/memory.c:6212) 
[2023.900346][T17496] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2023.900684][T17496] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2023.901024][T17496] __sys_sendmsg (net/socket.c:2700) 
[2023.901343][T17496] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2023.901673][T17496] ? 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) 
[2023.902114][T17496] ? 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) 
[2023.902678][T17496] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2023.903230][T17496] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2023.903704][T17496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2023.904118][T17496] RIP: 0033:0x7fd3b6a1d1e7
[ 2023.904481][T17496] 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)
[ 2023.905641][T17496] RSP: 002b:00007fffecb8dd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2023.906128][T17496] RAX: ffffffffffffffda RBX: 00007fffecb8e4d0 RCX: 00007fd3b6a1d1e7
[ 2023.906612][T17496] RDX: 0000000000000000 RSI: 00007fffecb8de00 RDI: 0000000000000005
[ 2023.907090][T17496] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2023.907586][T17496] R10: 00007fd3b6aabac0 R11: 0000000000000246 R12: 00007fffecb8e508
[ 2023.908064][T17496] R13: 00000000686e3b7d R14: 0000000000499600 R15: 00007fffecb8def0
| [ 2043.990846][T17668] ------------[ cut here ]------------
| [2043.991177][T17668] WARNING: CPU: 0 PID: 17668 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) 
| [ 2043.992210][T17668] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2043.993555][T17668] Tainted: [W]=WARN
[ 2043.993803][T17668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2043.994222][T17668] 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) 
[ 2043.994566][T17668] 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
[ 2043.995738][T17668] RSP: 0018:ffffc90009e87080 EFLAGS: 00010246
[ 2043.996159][T17668] RAX: 0000000000000000 RBX: ffff8880147fa000 RCX: 0000000000000001
[ 2043.996668][T17668] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2043.997151][T17668] RBP: ffffc90009e87168 R08: 0000000000000000 R09: 0000000000000000
[ 2043.997647][T17668] R10: ffffc90009e87198 R11: ffffffffa118d1e0 R12: 1ffff920013d0e14
[ 2043.998122][T17668] R13: 00000000000005dc R14: ffffc90009e87198 R15: ffff8880147faf48
[ 2043.998624][T17668] FS:  00007f53d725a800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 2043.999194][T17668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2043.999621][T17668] CR2: 000000000043d940 CR3: 000000001d05c004 CR4: 0000000000772ef0
[ 2044.000099][T17668] PKRU: 55555554
[ 2044.000338][T17668] Call Trace:
[ 2044.000597][T17668]  <TASK>
[2044.000772][T17668] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2044.001094][T17668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2044.001425][T17668] netif_set_mtu (net/core/dev.c:9652) 
[2044.001782][T17668] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2044.002130][T17668] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2044.002380][T17668] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2044.002728][T17668] br_add_if (net/bridge/br_if.c:697) 
[2044.002980][T17668] do_set_master (net/core/rtnetlink.c:2948) 
[2044.003295][T17668] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2044.003634][T17668] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2044.003976][T17668] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2044.004306][T17668] ? __dev_get_by_name (net/core/dev.c:865) 
[2044.004646][T17668] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2044.004965][T17668] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2044.005289][T17668] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2044.005627][T17668] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2044.005957][T17668] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2044.006286][T17668] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2044.006633][T17668] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2044.006981][T17668] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2044.007294][T17668] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2044.007624][T17668] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2044.007946][T17668] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2044.008270][T17668] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2044.008611][T17668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2044.008950][T17668] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2044.009280][T17668] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2044.009610][T17668] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2044.009940][T17668] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2044.010256][T17668] ? 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) 
[2044.010585][T17668] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2044.010919][T17668] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2044.011245][T17668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2044.011591][T17668] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2044.011919][T17668] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2044.012244][T17668] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2044.012581][T17668] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2044.012911][T17668] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2044.013236][T17668] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2044.013672][T17668] ___sys_sendmsg (net/socket.c:2670) 
[2044.014019][T17668] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2044.014344][T17668] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2044.014675][T17668] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2044.014992][T17668] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2044.015323][T17668] ? __handle_mm_fault (mm/memory.c:6212) 
[2044.015655][T17668] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2044.015976][T17668] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2044.016325][T17668] __sys_sendmsg (net/socket.c:2700) 
[2044.016662][T17668] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2044.016977][T17668] ? 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) 
[2044.017301][T17668] ? 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) 
[2044.017630][T17668] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2044.017962][T17668] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2044.018281][T17668] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2044.018701][T17668] RIP: 0033:0x7f53d74271e7
[ 2044.019038][T17668] 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)
[ 2044.020191][T17668] RSP: 002b:00007ffd29085248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2044.020690][T17668] RAX: ffffffffffffffda RBX: 00007ffd29085980 RCX: 00007f53d74271e7
[ 2044.021171][T17668] RDX: 0000000000000000 RSI: 00007ffd290852b0 RDI: 0000000000000005
[ 2044.021659][T17668] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2044.022136][T17668] R10: 00007f53d74b5ac0 R11: 0000000000000246 R12: 00007ffd290859b8
[ 2044.022620][T17668] R13: 00000000686e3b91 R14: 0000000000499600 R15: 00007ffd290853a0
| [ 2048.564990][T17698] ------------[ cut here ]------------
| [2048.565335][T17698] WARNING: CPU: 1 PID: 17698 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) 
| [ 2048.565988][T17698] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2048.567314][T17698] Tainted: [W]=WARN
[ 2048.568148][T17698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2048.568551][T17698] 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) 
[ 2048.568885][T17698] 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
[ 2048.570039][T17698] RSP: 0018:ffffc90009a97080 EFLAGS: 00010246
[ 2048.570440][T17698] RAX: 0000000000000000 RBX: ffff888016ab2000 RCX: 0000000000000001
[ 2048.570936][T17698] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2048.571429][T17698] RBP: ffffc90009a97168 R08: 0000000000000000 R09: 0000000000000000
[ 2048.571898][T17698] R10: ffffc90009a97198 R11: ffffffffa118d1e0 R12: 1ffff92001352e14
[ 2048.572393][T17698] R13: 00000000000005dc R14: ffffc90009a97198 R15: ffff888016ab2f48
[ 2048.572893][T17698] FS:  00007f651be93800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2048.573475][T17698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2048.573864][T17698] CR2: 000000000043d940 CR3: 0000000020c29003 CR4: 0000000000772ef0
[ 2048.574356][T17698] PKRU: 55555554
[ 2048.574610][T17698] Call Trace:
[ 2048.574847][T17698]  <TASK>
[2048.575016][T17698] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2048.575337][T17698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2048.575677][T17698] netif_set_mtu (net/core/dev.c:9652) 
[2048.575999][T17698] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2048.576325][T17698] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2048.576569][T17698] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2048.576897][T17698] br_add_if (net/bridge/br_if.c:697) 
[2048.577143][T17698] do_set_master (net/core/rtnetlink.c:2948) 
[2048.577444][T17698] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2048.577784][T17698] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2048.578093][T17698] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2048.578393][T17698] ? __dev_get_by_name (net/core/dev.c:865) 
[2048.578728][T17698] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2048.579054][T17698] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2048.579378][T17698] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2048.579708][T17698] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2048.580044][T17698] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2048.580376][T17698] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2048.580711][T17698] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2048.581035][T17698] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2048.581346][T17698] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2048.581656][T17698] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2048.581956][T17698] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2048.582261][T17698] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2048.582591][T17698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2048.582902][T17698] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2048.583212][T17698] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2048.583530][T17698] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2048.583853][T17698] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2048.584175][T17698] ? 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) 
[2048.584493][T17698] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2048.584821][T17698] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2048.585135][T17698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2048.585457][T17698] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2048.585781][T17698] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2048.586095][T17698] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2048.586411][T17698] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2048.586735][T17698] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2048.587050][T17698] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2048.587436][T17698] ___sys_sendmsg (net/socket.c:2670) 
[2048.587750][T17698] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2048.588051][T17698] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2048.588370][T17698] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2048.588692][T17698] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2048.589004][T17698] ? __handle_mm_fault (mm/memory.c:6212) 
[2048.589329][T17698] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2048.589644][T17698] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2048.589981][T17698] __sys_sendmsg (net/socket.c:2700) 
[2048.590301][T17698] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2048.590625][T17698] ? 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) 
[2048.590954][T17698] ? 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) 
[2048.591274][T17698] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2048.591593][T17698] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2048.591903][T17698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2048.592295][T17698] RIP: 0033:0x7f651c0601e7
[ 2048.592621][T17698] 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)
[ 2048.593753][T17698] RSP: 002b:00007ffe03263a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2048.594244][T17698] RAX: ffffffffffffffda RBX: 00007ffe03264190 RCX: 00007f651c0601e7
[ 2048.594728][T17698] RDX: 0000000000000000 RSI: 00007ffe03263ac0 RDI: 0000000000000005
[ 2048.595200][T17698] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2048.595689][T17698] R10: 00007f651c0eeac0 R11: 0000000000000246 R12: 00007ffe032641c8
[ 2048.596151][T17698] R13: 00000000686e3b95 R14: 0000000000499600 R15: 00007ffe03263bb0
| [ 2055.993691][T17764] ------------[ cut here ]------------
| [2055.994089][T17764] WARNING: CPU: 2 PID: 17764 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) 
| [ 2055.994754][T17764] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2055.996135][T17764] Tainted: [W]=WARN
[ 2055.996395][T17764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2055.996868][T17764] 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) 
[ 2055.997214][T17764] 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
[ 2055.998357][T17764] RSP: 0018:ffffc90008e87080 EFLAGS: 00010246
[ 2055.998785][T17764] RAX: 0000000000000000 RBX: ffff888015f42000 RCX: 0000000000000001
[ 2055.999284][T17764] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2055.999795][T17764] RBP: ffffc90008e87168 R08: 0000000000000000 R09: 0000000000000000
[ 2056.000286][T17764] R10: ffffc90008e87198 R11: ffffffffa118d1e0 R12: 1ffff920011d0e14
[ 2056.000790][T17764] R13: 00000000000005dc R14: ffffc90008e87198 R15: ffff888015f42f48
[ 2056.001287][T17764] FS:  00007f73ea8a9800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2056.001868][T17764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2056.002279][T17764] CR2: 00007f73eaa94ba0 CR3: 000000001d75a001 CR4: 0000000000772ef0
[ 2056.002781][T17764] PKRU: 55555554
[ 2056.003035][T17764] Call Trace:
[ 2056.003286][T17764]  <TASK>
[2056.003500][T17764] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2056.003840][T17764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2056.004196][T17764] netif_set_mtu (net/core/dev.c:9652) 
[2056.004542][T17764] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2056.004895][T17764] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2056.005151][T17764] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2056.005497][T17764] br_add_if (net/bridge/br_if.c:697) 
[2056.005761][T17764] do_set_master (net/core/rtnetlink.c:2948) 
[2056.006098][T17764] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2056.006433][T17764] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2056.006778][T17764] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2056.007114][T17764] ? __dev_get_by_name (net/core/dev.c:865) 
[2056.007474][T17764] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2056.007841][T17764] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2056.008187][T17764] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2056.008540][T17764] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2056.008880][T17764] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2056.009222][T17764] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2056.009570][T17764] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2056.009915][T17764] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2056.010243][T17764] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2056.010584][T17764] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2056.010921][T17764] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2056.011260][T17764] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2056.011623][T17764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2056.011976][T17764] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2056.012310][T17764] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2056.012653][T17764] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2056.013000][T17764] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2056.013326][T17764] ? 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) 
[2056.013683][T17764] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2056.014031][T17764] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2056.014361][T17764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2056.014708][T17764] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2056.015043][T17764] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2056.015373][T17764] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2056.015738][T17764] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2056.016084][T17764] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2056.016413][T17764] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2056.016844][T17764] ___sys_sendmsg (net/socket.c:2670) 
[2056.017176][T17764] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2056.017523][T17764] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2056.017859][T17764] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2056.018190][T17764] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2056.018540][T17764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2056.018879][T17764] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2056.019235][T17764] __sys_sendmsg (net/socket.c:2700) 
[2056.019586][T17764] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2056.019932][T17764] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2056.020267][T17764] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2056.020617][T17764] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2056.021046][T17764] RIP: 0033:0x7f73eaa761e7
[ 2056.021392][T17764] 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)
[ 2056.022588][T17764] RSP: 002b:00007fffac6d7748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2056.023097][T17764] RAX: ffffffffffffffda RBX: 00007fffac6d7e80 RCX: 00007f73eaa761e7
[ 2056.023647][T17764] RDX: 0000000000000000 RSI: 00007fffac6d77b0 RDI: 0000000000000005
[ 2056.024191][T17764] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2056.024692][T17764] R10: 00007f73eab04ac0 R11: 0000000000000246 R12: 00007fffac6d7eb8
[ 2056.025184][T17764] R13: 00000000686e3b9d R14: 0000000000499600 R15: 00007fffac6d78a0
| [ 2060.485030][T17794] ------------[ cut here ]------------
| [2060.485418][T17794] WARNING: CPU: 0 PID: 17794 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) 
| [ 2060.487186][T17794] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2060.488540][T17794] Tainted: [W]=WARN
[ 2060.488774][T17794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2060.489162][T17794] 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) 
[ 2060.489523][T17794] 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
[ 2060.490677][T17794] RSP: 0018:ffffc90008d57080 EFLAGS: 00010246
[ 2060.491084][T17794] RAX: 0000000000000000 RBX: ffff88801b10a000 RCX: 0000000000000001
[ 2060.491595][T17794] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2060.492071][T17794] RBP: ffffc90008d57168 R08: 0000000000000000 R09: 0000000000000000
[ 2060.492559][T17794] R10: ffffc90008d57198 R11: ffffffffa118d1e0 R12: 1ffff920011aae14
[ 2060.493021][T17794] R13: 00000000000005dc R14: ffffc90008d57198 R15: ffff88801b10af48
[ 2060.493526][T17794] FS:  00007f517999c800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 2060.494091][T17794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2060.494513][T17794] CR2: 00007f5179b87ba0 CR3: 000000001bb97005 CR4: 0000000000772ef0
[ 2060.494981][T17794] PKRU: 55555554
[ 2060.495213][T17794] Call Trace:
[ 2060.495475][T17794]  <TASK>
[2060.495640][T17794] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2060.495952][T17794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2060.496276][T17794] netif_set_mtu (net/core/dev.c:9652) 
[2060.496625][T17794] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2060.496957][T17794] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2060.497191][T17794] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2060.497553][T17794] br_add_if (net/bridge/br_if.c:697) 
[2060.497798][T17794] do_set_master (net/core/rtnetlink.c:2948) 
[2060.498104][T17794] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2060.498413][T17794] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2060.498758][T17794] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2060.499064][T17794] ? __dev_get_by_name (net/core/dev.c:865) 
[2060.499370][T17794] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2060.499707][T17794] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2060.500020][T17794] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2060.500322][T17794] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2060.500662][T17794] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2060.500985][T17794] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2060.501310][T17794] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2060.501672][T17794] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2060.501982][T17794] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2060.502295][T17794] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2060.502632][T17794] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2060.502943][T17794] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2060.503256][T17794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2060.503601][T17794] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2060.503926][T17794] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2060.504240][T17794] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2060.504574][T17794] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2060.504894][T17794] ? 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) 
[2060.505208][T17794] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2060.505551][T17794] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2060.505882][T17794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2060.506198][T17794] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2060.506520][T17794] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2060.506844][T17794] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2060.507161][T17794] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2060.507487][T17794] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2060.507807][T17794] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2060.508216][T17794] ___sys_sendmsg (net/socket.c:2670) 
[2060.508544][T17794] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2060.508867][T17794] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2060.509179][T17794] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2060.509510][T17794] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2060.509844][T17794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2060.510162][T17794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2060.510497][T17794] __sys_sendmsg (net/socket.c:2700) 
[2060.510830][T17794] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2060.511152][T17794] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2060.511478][T17794] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2060.511807][T17794] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2060.512196][T17794] RIP: 0033:0x7f5179b691e7
[ 2060.512531][T17794] 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)
[ 2060.513688][T17794] RSP: 002b:00007ffc47843ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2060.514197][T17794] RAX: ffffffffffffffda RBX: 00007ffc478442e0 RCX: 00007f5179b691e7
[ 2060.514674][T17794] RDX: 0000000000000000 RSI: 00007ffc47843c10 RDI: 0000000000000005
[ 2060.515162][T17794] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2060.515633][T17794] R10: 00007f5179bf7ac0 R11: 0000000000000246 R12: 00007ffc47844318
[ 2060.516113][T17794] R13: 00000000686e3ba1 R14: 0000000000499600 R15: 00007ffc47843d00
| [ 2080.652089][T17966] ------------[ cut here ]------------
| [2080.652401][T17966] WARNING: CPU: 3 PID: 17966 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) 
| [ 2080.653029][T17966] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2080.655094][T17966] Tainted: [W]=WARN
[ 2080.655324][T17966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2080.655714][T17966] 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) 
[ 2080.656040][T17966] 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
[ 2080.657168][T17966] RSP: 0018:ffffc90009c37080 EFLAGS: 00010246
[ 2080.657573][T17966] RAX: 0000000000000000 RBX: ffff888012742000 RCX: 0000000000000001
[ 2080.658030][T17966] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2080.658491][T17966] RBP: ffffc90009c37168 R08: 0000000000000000 R09: 0000000000000000
[ 2080.658941][T17966] R10: ffffc90009c37198 R11: ffffffffa118d1e0 R12: 1ffff92001386e14
[ 2080.659395][T17966] R13: 00000000000005dc R14: ffffc90009c37198 R15: ffff888012742f48
[ 2080.659854][T17966] FS:  00007fd6ddb4f800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2080.660389][T17966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2080.660786][T17966] CR2: 000000000043d940 CR3: 000000001f9b1001 CR4: 0000000000772ef0
[ 2080.661254][T17966] PKRU: 55555554
[ 2080.661490][T17966] Call Trace:
[ 2080.661725][T17966]  <TASK>
[2080.661885][T17966] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2080.662198][T17966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2080.662525][T17966] netif_set_mtu (net/core/dev.c:9652) 
[2080.662828][T17966] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2080.663154][T17966] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2080.663383][T17966] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2080.663700][T17966] br_add_if (net/bridge/br_if.c:697) 
[2080.663961][T17966] do_set_master (net/core/rtnetlink.c:2948) 
[2080.664273][T17966] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2080.664607][T17966] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2080.664918][T17966] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2080.665217][T17966] ? __dev_get_by_name (net/core/dev.c:865) 
[2080.665529][T17966] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2080.665835][T17966] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2080.666142][T17966] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2080.666442][T17966] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2080.666766][T17966] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2080.667080][T17966] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2080.667387][T17966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2080.667708][T17966] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2080.668022][T17966] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2080.668325][T17966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2080.668645][T17966] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2080.668951][T17966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2080.669268][T17966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2080.669583][T17966] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2080.669890][T17966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2080.670203][T17966] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2080.670523][T17966] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2080.670834][T17966] ? 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) 
[2080.671139][T17966] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2080.671462][T17966] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2080.671765][T17966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2080.672083][T17966] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2080.672390][T17966] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2080.672709][T17966] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2080.673041][T17966] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2080.673346][T17966] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2080.673666][T17966] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2080.674067][T17966] ___sys_sendmsg (net/socket.c:2670) 
[2080.674372][T17966] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2080.674693][T17966] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2080.675001][T17966] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2080.675302][T17966] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2080.675623][T17966] ? __handle_mm_fault (mm/memory.c:6212) 
[2080.675939][T17966] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2080.676243][T17966] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2080.676585][T17966] __sys_sendmsg (net/socket.c:2700) 
[2080.676887][T17966] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2080.677192][T17966] ? 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) 
[2080.677523][T17966] ? 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) 
[2080.677859][T17966] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2080.678173][T17966] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2080.678501][T17966] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2080.678882][T17966] RIP: 0033:0x7fd6ddd1c1e7
[ 2080.679213][T17966] 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)
[ 2080.680327][T17966] RSP: 002b:00007fff6444aca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2080.680813][T17966] RAX: ffffffffffffffda RBX: 00007fff6444b3e0 RCX: 00007fd6ddd1c1e7
[ 2080.681285][T17966] RDX: 0000000000000000 RSI: 00007fff6444ad10 RDI: 0000000000000005
[ 2080.681753][T17966] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2080.682220][T17966] R10: 00007fd6dddaaac0 R11: 0000000000000246 R12: 00007fff6444b418
[ 2080.682688][T17966] R13: 00000000686e3bb6 R14: 0000000000499600 R15: 00007fff6444ae00
| [ 2085.247226][T17996] ------------[ cut here ]------------
| [2085.247579][T17996] WARNING: CPU: 2 PID: 17996 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) 
| [ 2085.248225][T17996] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2085.249561][T17996] Tainted: [W]=WARN
[ 2085.249816][T17996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2085.250339][T17996] 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) 
[ 2085.251039][T17996] 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
[ 2085.252176][T17996] RSP: 0018:ffffc900093e7080 EFLAGS: 00010246
[ 2085.252591][T17996] RAX: 0000000000000000 RBX: ffff888015f42000 RCX: 0000000000000001
[ 2085.253073][T17996] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2085.253574][T17996] RBP: ffffc900093e7168 R08: 0000000000000000 R09: 0000000000000000
[ 2085.254076][T17996] R10: ffffc900093e7198 R11: ffffffffa118d1e0 R12: 1ffff9200127ce14
[ 2085.254556][T17996] R13: 00000000000005dc R14: ffffc900093e7198 R15: ffff888015f42f48
[ 2085.255021][T17996] FS:  00007f0aba3bc800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2085.255609][T17996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2085.256005][T17996] CR2: 000000000043d940 CR3: 0000000012c09004 CR4: 0000000000772ef0
[ 2085.256503][T17996] PKRU: 55555554
[ 2085.256743][T17996] Call Trace:
[ 2085.256989][T17996]  <TASK>
[2085.257172][T17996] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2085.257514][T17996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2085.257855][T17996] netif_set_mtu (net/core/dev.c:9652) 
[2085.258187][T17996] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2085.258535][T17996] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2085.258778][T17996] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2085.259120][T17996] br_add_if (net/bridge/br_if.c:697) 
[2085.259379][T17996] do_set_master (net/core/rtnetlink.c:2948) 
[2085.259711][T17996] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2085.260048][T17996] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2085.260399][T17996] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2085.260733][T17996] ? __dev_get_by_name (net/core/dev.c:865) 
[2085.261057][T17996] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2085.261373][T17996] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2085.261722][T17996] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2085.262043][T17996] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2085.262363][T17996] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2085.262709][T17996] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2085.263034][T17996] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2085.263367][T17996] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2085.263695][T17996] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2085.264088][T17996] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2085.264412][T17996] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2085.264745][T17996] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2085.265075][T17996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2085.265404][T17996] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2085.265742][T17996] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2085.266064][T17996] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2085.266389][T17996] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2085.266713][T17996] ? 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) 
[2085.267028][T17996] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2085.267358][T17996] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2085.267684][T17996] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2085.268007][T17996] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2085.268327][T17996] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2085.268654][T17996] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2085.268977][T17996] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2085.269299][T17996] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2085.269634][T17996] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2085.270050][T17996] ___sys_sendmsg (net/socket.c:2670) 
[2085.270367][T17996] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2085.270698][T17996] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2085.271016][T17996] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2085.271333][T17996] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2085.271666][T17996] ? __handle_mm_fault (mm/memory.c:6212) 
[2085.271991][T17996] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2085.272303][T17996] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2085.272692][T17996] __sys_sendmsg (net/socket.c:2700) 
[2085.273013][T17996] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2085.273336][T17996] ? 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) 
[2085.273686][T17996] ? 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) 
[2085.274022][T17996] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2085.274350][T17996] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2085.274682][T17996] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2085.275068][T17996] RIP: 0033:0x7f0aba5891e7
[ 2085.275403][T17996] 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)
[ 2085.276515][T17996] RSP: 002b:00007ffda53aaf18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2085.276984][T17996] RAX: ffffffffffffffda RBX: 00007ffda53ab650 RCX: 00007f0aba5891e7
[ 2085.277470][T17996] RDX: 0000000000000000 RSI: 00007ffda53aaf80 RDI: 0000000000000005
[ 2085.277937][T17996] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2085.278405][T17996] R10: 00007f0aba617ac0 R11: 0000000000000246 R12: 00007ffda53ab688
[ 2085.278890][T17996] R13: 00000000686e3bba R14: 0000000000499600 R15: 00007ffda53ab070
| [ 2092.655993][T18061] ------------[ cut here ]------------
| [2092.656356][T18061] WARNING: CPU: 2 PID: 18061 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) 
| [ 2092.657035][T18061] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2092.658377][T18061] Tainted: [W]=WARN
[ 2092.658655][T18061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2092.659062][T18061] 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) 
[ 2092.659422][T18061] 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
[ 2092.660618][T18061] RSP: 0018:ffffc900092b7080 EFLAGS: 00010246
[ 2092.661032][T18061] RAX: 0000000000000000 RBX: ffff888015ae2000 RCX: 0000000000000001
[ 2092.661516][T18061] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2092.662006][T18061] RBP: ffffc900092b7168 R08: 0000000000000000 R09: 0000000000000000
[ 2092.662494][T18061] R10: ffffc900092b7198 R11: ffffffffa118d1e0 R12: 1ffff92001256e14
[ 2092.662966][T18061] R13: 00000000000005dc R14: ffffc900092b7198 R15: ffff888015ae2f48
[ 2092.663465][T18061] FS:  00007fec444d2800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2092.664037][T18061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2092.664436][T18061] CR2: 00007fec446bdba0 CR3: 0000000021394002 CR4: 0000000000772ef0
[ 2092.664947][T18061] PKRU: 55555554
[ 2092.665196][T18061] Call Trace:
[ 2092.665444][T18061]  <TASK>
[2092.665652][T18061] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2092.665985][T18061] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2092.666327][T18061] netif_set_mtu (net/core/dev.c:9652) 
[2092.666656][T18061] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2092.666994][T18061] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2092.667248][T18061] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2092.667578][T18061] br_add_if (net/bridge/br_if.c:697) 
[2092.667833][T18061] do_set_master (net/core/rtnetlink.c:2948) 
[2092.668145][T18061] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2092.668476][T18061] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2092.668795][T18061] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2092.669120][T18061] ? __dev_get_by_name (net/core/dev.c:865) 
[2092.669434][T18061] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2092.669766][T18061] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2092.670090][T18061] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2092.670433][T18061] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2092.670789][T18061] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2092.671128][T18061] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2092.671466][T18061] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2092.671804][T18061] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2092.672139][T18061] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2092.672479][T18061] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2092.672808][T18061] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2092.673131][T18061] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2092.673472][T18061] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2092.673801][T18061] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2092.674140][T18061] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2092.674481][T18061] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2092.674824][T18061] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2092.675143][T18061] ? 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) 
[2092.675484][T18061] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2092.675813][T18061] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2092.676132][T18061] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2092.676468][T18061] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2092.676798][T18061] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2092.677121][T18061] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2092.677467][T18061] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2092.677794][T18061] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2092.678116][T18061] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2092.678533][T18061] ___sys_sendmsg (net/socket.c:2670) 
[2092.678861][T18061] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2092.679179][T18061] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2092.679519][T18061] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2092.679830][T18061] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2092.680154][T18061] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2092.680487][T18061] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2092.680808][T18061] __sys_sendmsg (net/socket.c:2700) 
[2092.681121][T18061] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2092.681468][T18061] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2092.681808][T18061] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2092.682147][T18061] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2092.682596][T18061] RIP: 0033:0x7fec4469f1e7
[ 2092.682950][T18061] 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)
[ 2092.684159][T18061] RSP: 002b:00007ffd384535c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2092.684696][T18061] RAX: ffffffffffffffda RBX: 00007ffd38453d00 RCX: 00007fec4469f1e7
[ 2092.685205][T18061] RDX: 0000000000000000 RSI: 00007ffd38453630 RDI: 0000000000000005
[ 2092.685730][T18061] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2092.686217][T18061] R10: 00007fec4472dac0 R11: 0000000000000246 R12: 00007ffd38453d38
[ 2092.686713][T18061] R13: 00000000686e3bc2 R14: 0000000000499600 R15: 00007ffd38453720
| [ 2097.084913][T18091] ------------[ cut here ]------------
| [2097.085241][T18091] WARNING: CPU: 1 PID: 18091 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) 
| [ 2097.085864][T18091] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2097.087242][T18091] Tainted: [W]=WARN
[ 2097.087483][T18091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2097.087869][T18091] 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) 
[ 2097.088192][T18091] 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
[ 2097.089301][T18091] RSP: 0018:ffffc90008557080 EFLAGS: 00010246
[ 2097.089692][T18091] RAX: 0000000000000000 RBX: ffff888015fda000 RCX: 0000000000000001
[ 2097.090150][T18091] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2097.090633][T18091] RBP: ffffc90008557168 R08: 0000000000000000 R09: 0000000000000000
[ 2097.091085][T18091] R10: ffffc90008557198 R11: ffffffffa118d1e0 R12: 1ffff920010aae14
[ 2097.091550][T18091] R13: 00000000000005dc R14: ffffc90008557198 R15: ffff888015fdaf48
[ 2097.092004][T18091] FS:  00007f3549c99800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2097.092557][T18091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2097.092944][T18091] CR2: 00007f3549e84ba0 CR3: 000000001e81a001 CR4: 0000000000772ef0
[ 2097.093402][T18091] PKRU: 55555554
[ 2097.093638][T18091] Call Trace:
[ 2097.093866][T18091]  <TASK>
[2097.094194][T18091] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2097.094535][T18091] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2097.094867][T18091] netif_set_mtu (net/core/dev.c:9652) 
[2097.095176][T18091] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2097.095508][T18091] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2097.095743][T18091] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2097.096060][T18091] br_add_if (net/bridge/br_if.c:697) 
[2097.096308][T18091] do_set_master (net/core/rtnetlink.c:2948) 
[2097.096626][T18091] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2097.096936][T18091] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2097.097250][T18091] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2097.097580][T18091] ? __dev_get_by_name (net/core/dev.c:865) 
[2097.097891][T18091] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2097.098196][T18091] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[2097.098609][T18091] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2097.098918][T18091] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2097.099235][T18091] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2097.099571][T18091] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2097.099885][T18091] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2097.100205][T18091] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2097.100516][T18091] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2097.100822][T18091] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2097.101130][T18091] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2097.101432][T18091] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2097.101755][T18091] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2097.102071][T18091] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2097.102374][T18091] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2097.102715][T18091] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2097.103035][T18091] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2097.103339][T18091] ? 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) 
[2097.103663][T18091] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2097.103986][T18091] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2097.104308][T18091] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2097.104629][T18091] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2097.104945][T18091] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2097.105249][T18091] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2097.105571][T18091] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2097.105878][T18091] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2097.106229][T18091] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2097.106684][T18091] ___sys_sendmsg (net/socket.c:2670) 
[2097.107023][T18091] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2097.107334][T18091] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2097.107652][T18091] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2097.107957][T18091] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2097.108268][T18091] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2097.108598][T18091] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2097.108924][T18091] __sys_sendmsg (net/socket.c:2700) 
[2097.109235][T18091] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2097.109569][T18091] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2097.109880][T18091] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2097.110188][T18091] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2097.110595][T18091] RIP: 0033:0x7f3549e661e7
[ 2097.110944][T18091] 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)
[ 2097.112054][T18091] RSP: 002b:00007fffdf36e6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2097.112528][T18091] RAX: ffffffffffffffda RBX: 00007fffdf36edf0 RCX: 00007f3549e661e7
[ 2097.112986][T18091] RDX: 0000000000000000 RSI: 00007fffdf36e720 RDI: 0000000000000005
[ 2097.113466][T18091] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2097.113927][T18091] R10: 00007f3549ef4ac0 R11: 0000000000000246 R12: 00007fffdf36ee28
[ 2097.114404][T18091] R13: 00000000686e3bc6 R14: 0000000000499600 R15: 00007fffdf36e810
| [ 2117.426671][T18264] ------------[ cut here ]------------
| [2117.427267][T18264] WARNING: CPU: 1 PID: 18264 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) 
| [ 2117.428423][T18264] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2117.431554][T18264] Tainted: [W]=WARN
[ 2117.431979][T18264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2117.432706][T18264] 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) 
[ 2117.433294][T18264] 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
[ 2117.435322][T18264] RSP: 0018:ffffc9000783f080 EFLAGS: 00010246
[ 2117.436041][T18264] RAX: 0000000000000000 RBX: ffff888015ac2000 RCX: 0000000000000001
[ 2117.436885][T18264] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2117.437721][T18264] RBP: ffffc9000783f168 R08: 0000000000000000 R09: 0000000000000000
[ 2117.438574][T18264] R10: ffffc9000783f198 R11: ffffffffa118d1e0 R12: 1ffff92000f07e14
[ 2117.439396][T18264] R13: 00000000000005dc R14: ffffc9000783f198 R15: ffff888015ac2f48
[ 2117.440263][T18264] FS:  00007fb9bde8d800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2117.441236][T18264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2117.441952][T18264] CR2: 000000000043d940 CR3: 0000000022509004 CR4: 0000000000772ef0
[ 2117.442792][T18264] PKRU: 55555554
[ 2117.443207][T18264] Call Trace:
[ 2117.443634][T18264]  <TASK>
[2117.443920][T18264] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2117.444515][T18264] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2117.445093][T18264] netif_set_mtu (net/core/dev.c:9652) 
[2117.445667][T18264] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2117.446256][T18264] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2117.446701][T18264] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2117.447263][T18264] br_add_if (net/bridge/br_if.c:697) 
[2117.447738][T18264] do_set_master (net/core/rtnetlink.c:2948) 
[2117.448300][T18264] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2117.448894][T18264] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2117.449480][T18264] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2117.450035][T18264] ? __dev_get_by_name (net/core/dev.c:865) 
[2117.450599][T18264] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2117.451131][T18264] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2117.451683][T18264] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2117.452210][T18264] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2117.452776][T18264] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2117.453352][T18264] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2117.453932][T18264] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2117.454535][T18264] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2117.455064][T18264] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2117.455651][T18264] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2117.456216][T18264] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2117.456803][T18264] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2117.457365][T18264] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2117.457935][T18264] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2117.458499][T18264] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2117.459057][T18264] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2117.459637][T18264] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2117.460169][T18264] ? 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) 
[2117.460751][T18264] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2117.461298][T18264] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2117.461850][T18264] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2117.462400][T18264] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2117.462964][T18264] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2117.463528][T18264] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2117.464112][T18264] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2117.464685][T18264] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2117.465213][T18264] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2117.465934][T18264] ___sys_sendmsg (net/socket.c:2670) 
[2117.466496][T18264] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2117.467052][T18264] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2117.467624][T18264] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2117.468166][T18264] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2117.468734][T18264] ? __handle_mm_fault (mm/memory.c:6212) 
[2117.469255][T18264] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2117.469812][T18264] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2117.470378][T18264] __sys_sendmsg (net/socket.c:2700) 
[2117.470955][T18264] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2117.471519][T18264] ? 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) 
[2117.472082][T18264] ? 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) 
[2117.472649][T18264] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2117.473200][T18264] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2117.473760][T18264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2117.474406][T18264] RIP: 0033:0x7fb9be05a1e7
[ 2117.474763][T18264] 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)
[ 2117.475917][T18264] RSP: 002b:00007fff0e88bb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2117.476405][T18264] RAX: ffffffffffffffda RBX: 00007fff0e88c270 RCX: 00007fb9be05a1e7
[ 2117.476909][T18264] RDX: 0000000000000000 RSI: 00007fff0e88bba0 RDI: 0000000000000005
[ 2117.477401][T18264] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2117.477892][T18264] R10: 00007fb9be0e8ac0 R11: 0000000000000246 R12: 00007fff0e88c2a8
[ 2117.478375][T18264] R13: 00000000686e3bda R14: 0000000000499600 R15: 00007fff0e88bc90
| [ 2121.834403][T18294] ------------[ cut here ]------------
| [2121.834754][T18294] WARNING: CPU: 1 PID: 18294 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) 
| [ 2121.835363][T18294] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2121.837699][T18294] Tainted: [W]=WARN
[ 2121.837930][T18294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2121.838320][T18294] 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) 
[ 2121.838658][T18294] 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
[ 2121.839761][T18294] RSP: 0018:ffffc90007e2f080 EFLAGS: 00010246
[ 2121.840147][T18294] RAX: 0000000000000000 RBX: ffff888015ae2000 RCX: 0000000000000001
[ 2121.840618][T18294] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2121.841073][T18294] RBP: ffffc90007e2f168 R08: 0000000000000000 R09: 0000000000000000
[ 2121.841534][T18294] R10: ffffc90007e2f198 R11: ffffffffa118d1e0 R12: 1ffff92000fc5e14
[ 2121.841988][T18294] R13: 00000000000005dc R14: ffffc90007e2f198 R15: ffff888015ae2f48
[ 2121.842469][T18294] FS:  00007f2842695800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2121.843004][T18294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2121.843388][T18294] CR2: 000000000043d940 CR3: 00000000132de004 CR4: 0000000000772ef0
[ 2121.843861][T18294] PKRU: 55555554
[ 2121.844102][T18294] Call Trace:
[ 2121.844329][T18294]  <TASK>
[2121.844507][T18294] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2121.844814][T18294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2121.845131][T18294] netif_set_mtu (net/core/dev.c:9652) 
[2121.845433][T18294] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2121.845763][T18294] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2121.845994][T18294] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2121.846303][T18294] br_add_if (net/bridge/br_if.c:697) 
[2121.846571][T18294] do_set_master (net/core/rtnetlink.c:2948) 
[2121.846888][T18294] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2121.847195][T18294] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2121.847514][T18294] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2121.847816][T18294] ? __dev_get_by_name (net/core/dev.c:865) 
[2121.848128][T18294] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2121.848432][T18294] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2121.848749][T18294] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2121.849061][T18294] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2121.849369][T18294] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2121.849714][T18294] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2121.850027][T18294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2121.850341][T18294] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2121.850669][T18294] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2121.850980][T18294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2121.851284][T18294] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2121.851606][T18294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2121.851919][T18294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2121.852230][T18294] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2121.852547][T18294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2121.852856][T18294] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2121.853169][T18294] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2121.853482][T18294] ? 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) 
[2121.853794][T18294] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2121.854116][T18294] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2121.854420][T18294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2121.854750][T18294] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2121.855062][T18294] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2121.855368][T18294] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2121.855688][T18294] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2121.856001][T18294] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2121.856302][T18294] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2121.856703][T18294] ___sys_sendmsg (net/socket.c:2670) 
[2121.857008][T18294] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2121.857314][T18294] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2121.857627][T18294] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2121.857930][T18294] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2121.858247][T18294] ? __handle_mm_fault (mm/memory.c:6212) 
[2121.858571][T18294] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2121.858878][T18294] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2121.859200][T18294] __sys_sendmsg (net/socket.c:2700) 
[2121.859513][T18294] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2121.859814][T18294] ? 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) 
[2121.860130][T18294] ? 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) 
[2121.860434][T18294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2121.860748][T18294] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2121.861051][T18294] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2121.861423][T18294] RIP: 0033:0x7f28428621e7
[ 2121.861747][T18294] 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)
[ 2121.862853][T18294] RSP: 002b:00007ffd7e5f36d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2121.863312][T18294] RAX: ffffffffffffffda RBX: 00007ffd7e5f3e10 RCX: 00007f28428621e7
[ 2121.863777][T18294] RDX: 0000000000000000 RSI: 00007ffd7e5f3740 RDI: 0000000000000005
[ 2121.864238][T18294] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2121.864702][T18294] R10: 00007f28428f0ac0 R11: 0000000000000246 R12: 00007ffd7e5f3e48
[ 2121.865156][T18294] R13: 00000000686e3bdf R14: 0000000000499600 R15: 00007ffd7e5f3830
| [ 2129.260936][T18360] ------------[ cut here ]------------
| [2129.261259][T18360] WARNING: CPU: 1 PID: 18360 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) 
| [ 2129.261897][T18360] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2129.263187][T18360] Tainted: [W]=WARN
[ 2129.263418][T18360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2129.263807][T18360] 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) 
[ 2129.264152][T18360] 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
[ 2129.265275][T18360] RSP: 0018:ffffc9000a0a7080 EFLAGS: 00010246
[ 2129.265670][T18360] RAX: 0000000000000000 RBX: ffff88801be0a000 RCX: 0000000000000001
[ 2129.266126][T18360] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2129.266596][T18360] RBP: ffffc9000a0a7168 R08: 0000000000000000 R09: 0000000000000000
[ 2129.267050][T18360] R10: ffffc9000a0a7198 R11: ffffffffa118d1e0 R12: 1ffff92001414e14
[ 2129.267510][T18360] R13: 00000000000005dc R14: ffffc9000a0a7198 R15: ffff88801be0af48
[ 2129.267965][T18360] FS:  00007fdb1d06e800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2129.268512][T18360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2129.268895][T18360] CR2: 00007fdb1d259ba0 CR3: 000000001cfe9004 CR4: 0000000000772ef0
[ 2129.269358][T18360] PKRU: 55555554
[ 2129.269592][T18360] Call Trace:
[ 2129.269819][T18360]  <TASK>
[2129.269979][T18360] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2129.270284][T18360] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2129.270616][T18360] netif_set_mtu (net/core/dev.c:9652) 
[2129.270919][T18360] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2129.271241][T18360] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2129.271483][T18360] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2129.271791][T18360] br_add_if (net/bridge/br_if.c:697) 
[2129.272031][T18360] do_set_master (net/core/rtnetlink.c:2948) 
[2129.272332][T18360] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2129.272672][T18360] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2129.272982][T18360] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2129.273289][T18360] ? __dev_get_by_name (net/core/dev.c:865) 
[2129.273603][T18360] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2129.273908][T18360] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2129.274238][T18360] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2129.274552][T18360] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2129.274864][T18360] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2129.275184][T18360] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2129.275505][T18360] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2129.275821][T18360] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2129.276122][T18360] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2129.276427][T18360] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2129.276738][T18360] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2129.277045][T18360] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2129.277362][T18360] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2129.277694][T18360] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2129.278005][T18360] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2129.278316][T18360] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2129.278651][T18360] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2129.278952][T18360] ? 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) 
[2129.279258][T18360] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2129.279581][T18360] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2129.279887][T18360] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2129.280202][T18360] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2129.280521][T18360] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2129.280827][T18360] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2129.281135][T18360] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2129.281462][T18360] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2129.281772][T18360] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2129.282178][T18360] ___sys_sendmsg (net/socket.c:2670) 
[2129.282501][T18360] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2129.282815][T18360] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2129.283134][T18360] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2129.283438][T18360] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2129.283758][T18360] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2129.284091][T18360] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2129.284413][T18360] __sys_sendmsg (net/socket.c:2700) 
[2129.284737][T18360] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2129.285057][T18360] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2129.285371][T18360] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2129.285703][T18360] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2129.286080][T18360] RIP: 0033:0x7fdb1d23b1e7
[ 2129.286396][T18360] 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)
[ 2129.287509][T18360] RSP: 002b:00007ffe31c1ca78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2129.287977][T18360] RAX: ffffffffffffffda RBX: 00007ffe31c1d1b0 RCX: 00007fdb1d23b1e7
[ 2129.288431][T18360] RDX: 0000000000000000 RSI: 00007ffe31c1cae0 RDI: 0000000000000005
[ 2129.288911][T18360] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2129.289365][T18360] R10: 00007fdb1d2c9ac0 R11: 0000000000000246 R12: 00007ffe31c1d1e8
[ 2129.289826][T18360] R13: 00000000686e3be6 R14: 0000000000499600 R15: 00007ffe31c1cbd0
| [ 2133.640880][T18390] ------------[ cut here ]------------
| [2133.641212][T18390] WARNING: CPU: 2 PID: 18390 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) 
| [ 2133.641847][T18390] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2133.643184][T18390] Tainted: [W]=WARN
[ 2133.643428][T18390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2133.644603][T18390] 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) 
[ 2133.644937][T18390] 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
[ 2133.646044][T18390] RSP: 0018:ffffc900071bf080 EFLAGS: 00010246
[ 2133.646439][T18390] RAX: 0000000000000000 RBX: ffff888004eb2000 RCX: 0000000000000001
[ 2133.646927][T18390] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2133.647391][T18390] RBP: ffffc900071bf168 R08: 0000000000000000 R09: 0000000000000000
[ 2133.647869][T18390] R10: ffffc900071bf198 R11: ffffffffa118d1e0 R12: 1ffff92000e37e14
[ 2133.648341][T18390] R13: 00000000000005dc R14: ffffc900071bf198 R15: ffff888004eb2f48
[ 2133.648820][T18390] FS:  00007f49de799800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2133.649369][T18390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2133.649774][T18390] CR2: 00007f49de984ba0 CR3: 000000001c630002 CR4: 0000000000772ef0
[ 2133.650262][T18390] PKRU: 55555554
[ 2133.650525][T18390] Call Trace:
[ 2133.650764][T18390]  <TASK>
[2133.650934][T18390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2133.651254][T18390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2133.651600][T18390] netif_set_mtu (net/core/dev.c:9652) 
[2133.651919][T18390] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2133.652249][T18390] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2133.652515][T18390] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2133.652835][T18390] br_add_if (net/bridge/br_if.c:697) 
[2133.653205][T18390] do_set_master (net/core/rtnetlink.c:2948) 
[2133.653540][T18390] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2133.653861][T18390] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2133.654192][T18390] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2133.654529][T18390] ? __dev_get_by_name (net/core/dev.c:865) 
[2133.654848][T18390] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2133.655172][T18390] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2133.655503][T18390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2133.655818][T18390] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2133.656140][T18390] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2133.656497][T18390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2133.656824][T18390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2133.657151][T18390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2133.657488][T18390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2133.657823][T18390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2133.658144][T18390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2133.658482][T18390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2133.658814][T18390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2133.659135][T18390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2133.659462][T18390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2133.659782][T18390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2133.660120][T18390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2133.660435][T18390] ? 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) 
[2133.660769][T18390] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2133.661092][T18390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2133.661410][T18390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2133.661744][T18390] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2133.662070][T18390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2133.662395][T18390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2133.662741][T18390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2133.663062][T18390] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2133.663378][T18390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2133.663792][T18390] ___sys_sendmsg (net/socket.c:2670) 
[2133.664127][T18390] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2133.664458][T18390] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2133.664791][T18390] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2133.665104][T18390] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2133.665427][T18390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2133.665762][T18390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2133.666082][T18390] __sys_sendmsg (net/socket.c:2700) 
[2133.666396][T18390] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2133.666747][T18390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2133.667076][T18390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2133.667396][T18390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2133.667791][T18390] RIP: 0033:0x7f49de9661e7
[ 2133.668118][T18390] 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)
[ 2133.669219][T18390] RSP: 002b:00007fff48e5a0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2133.669704][T18390] RAX: ffffffffffffffda RBX: 00007fff48e5a800 RCX: 00007f49de9661e7
[ 2133.670174][T18390] RDX: 0000000000000000 RSI: 00007fff48e5a130 RDI: 0000000000000005
[ 2133.670668][T18390] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2133.671144][T18390] R10: 00007f49de9f4ac0 R11: 0000000000000246 R12: 00007fff48e5a838
[ 2133.671629][T18390] R13: 00000000686e3beb R14: 0000000000499600 R15: 00007fff48e5a220
| [ 2156.994978][T18627] ------------[ cut here ]------------
| [2156.995310][T18627] WARNING: CPU: 2 PID: 18627 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) 
| [ 2156.995950][T18627] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2156.997281][T18627] Tainted: [W]=WARN
[ 2156.998479][T18627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2156.998909][T18627] 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) 
[ 2156.999255][T18627] 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
[ 2157.000436][T18627] RSP: 0018:ffffc90009d37080 EFLAGS: 00010246
[ 2157.000869][T18627] RAX: 0000000000000000 RBX: ffff88800279a000 RCX: 0000000000000001
[ 2157.001445][T18627] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2157.001941][T18627] RBP: ffffc90009d37168 R08: 0000000000000000 R09: 0000000000000000
[ 2157.002405][T18627] R10: ffffc90009d37198 R11: ffffffffa118d1e0 R12: 1ffff920013a6e14
[ 2157.002877][T18627] R13: 00000000000005dc R14: ffffc90009d37198 R15: ffff88800279af48
[ 2157.003348][T18627] FS:  00007fa423e48800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2157.003901][T18627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2157.004306][T18627] CR2: 000000000043d940 CR3: 0000000015e43001 CR4: 0000000000772ef0
[ 2157.004786][T18627] PKRU: 55555554
[ 2157.005026][T18627] Call Trace:
[ 2157.005267][T18627]  <TASK>
[2157.005438][T18627] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2157.005788][T18627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2157.006120][T18627] netif_set_mtu (net/core/dev.c:9652) 
[2157.006438][T18627] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2157.006781][T18627] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2157.007027][T18627] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2157.007346][T18627] br_add_if (net/bridge/br_if.c:697) 
[2157.007612][T18627] do_set_master (net/core/rtnetlink.c:2948) 
[2157.007936][T18627] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2157.008258][T18627] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2157.008590][T18627] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2157.008904][T18627] ? __dev_get_by_name (net/core/dev.c:865) 
[2157.009221][T18627] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2157.009563][T18627] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2157.009896][T18627] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2157.010209][T18627] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2157.010551][T18627] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2157.010877][T18627] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2157.011200][T18627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2157.011539][T18627] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2157.011856][T18627] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2157.012173][T18627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2157.012500][T18627] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2157.012824][T18627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2157.013147][T18627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2157.013489][T18627] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2157.013811][T18627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2157.014133][T18627] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2157.014474][T18627] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2157.014838][T18627] ? 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) 
[2157.015195][T18627] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2157.015547][T18627] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2157.015884][T18627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2157.016225][T18627] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2157.016576][T18627] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2157.016911][T18627] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2157.017250][T18627] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2157.017614][T18627] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2157.017966][T18627] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2157.018387][T18627] ___sys_sendmsg (net/socket.c:2670) 
[2157.018730][T18627] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2157.019058][T18627] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2157.019388][T18627] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2157.019764][T18627] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2157.020108][T18627] ? __handle_mm_fault (mm/memory.c:6212) 
[2157.020438][T18627] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2157.020778][T18627] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2157.021129][T18627] __sys_sendmsg (net/socket.c:2700) 
[2157.021477][T18627] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2157.021813][T18627] ? 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) 
[2157.022151][T18627] ? 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) 
[2157.022501][T18627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2157.022835][T18627] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2157.023166][T18627] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2157.023580][T18627] RIP: 0033:0x7fa4240151e7
[ 2157.023919][T18627] 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)
[ 2157.025088][T18627] RSP: 002b:00007ffc91cc0a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2157.025600][T18627] RAX: ffffffffffffffda RBX: 00007ffc91cc11c0 RCX: 00007fa4240151e7
[ 2157.026093][T18627] RDX: 0000000000000000 RSI: 00007ffc91cc0af0 RDI: 0000000000000005
[ 2157.026594][T18627] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2157.027092][T18627] R10: 00007fa4240a3ac0 R11: 0000000000000246 R12: 00007ffc91cc11f8
[ 2157.027587][T18627] R13: 00000000686e3c02 R14: 0000000000499600 R15: 00007ffc91cc0be0
| [ 2161.118348][T18657] ------------[ cut here ]------------
| [2161.119044][T18657] WARNING: CPU: 3 PID: 18657 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) 
| [ 2161.119662][T18657] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2161.120922][T18657] Tainted: [W]=WARN
[ 2161.121154][T18657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2161.121555][T18657] 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) 
[ 2161.121869][T18657] 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
[ 2161.122982][T18657] RSP: 0018:ffffc90009617080 EFLAGS: 00010246
[ 2161.123369][T18657] RAX: 0000000000000000 RBX: ffff88801be0a000 RCX: 0000000000000001
[ 2161.123842][T18657] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2161.124311][T18657] RBP: ffffc90009617168 R08: 0000000000000000 R09: 0000000000000000
[ 2161.124789][T18657] R10: ffffc90009617198 R11: ffffffffa118d1e0 R12: 1ffff920012c2e14
[ 2161.125246][T18657] R13: 00000000000005dc R14: ffffc90009617198 R15: ffff88801be0af48
[ 2161.125715][T18657] FS:  00007fa2bcba6800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2161.126257][T18657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2161.126684][T18657] CR2: 000000000043d940 CR3: 000000001ead4001 CR4: 0000000000772ef0
[ 2161.127142][T18657] PKRU: 55555554
[ 2161.127370][T18657] Call Trace:
[ 2161.127607][T18657]  <TASK>
[2161.127765][T18657] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2161.128070][T18657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2161.128386][T18657] netif_set_mtu (net/core/dev.c:9652) 
[2161.128701][T18657] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2161.129028][T18657] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2161.129260][T18657] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2161.129577][T18657] br_add_if (net/bridge/br_if.c:697) 
[2161.129818][T18657] do_set_master (net/core/rtnetlink.c:2948) 
[2161.130123][T18657] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2161.130428][T18657] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2161.130762][T18657] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2161.131071][T18657] ? __dev_get_by_name (net/core/dev.c:865) 
[2161.131373][T18657] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2161.131683][T18657] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2161.131992][T18657] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2161.132291][T18657] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2161.132608][T18657] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2161.132923][T18657] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2161.133230][T18657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2161.133561][T18657] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2161.133861][T18657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2161.134178][T18657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2161.134500][T18657] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2161.134806][T18657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2161.135116][T18657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2161.135426][T18657] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2161.135739][T18657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2161.136052][T18657] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2161.136365][T18657] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2161.136676][T18657] ? 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) 
[2161.136983][T18657] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2161.137289][T18657] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2161.137600][T18657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2161.137906][T18657] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2161.138222][T18657] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2161.138546][T18657] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2161.138856][T18657] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2161.139161][T18657] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2161.139472][T18657] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2161.139860][T18657] ___sys_sendmsg (net/socket.c:2670) 
[2161.140164][T18657] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2161.140483][T18657] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2161.140789][T18657] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2161.141095][T18657] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2161.141404][T18657] ? __handle_mm_fault (mm/memory.c:6212) 
[2161.141722][T18657] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2161.142022][T18657] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2161.142348][T18657] __sys_sendmsg (net/socket.c:2700) 
[2161.142676][T18657] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2161.142982][T18657] ? 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) 
[2161.143291][T18657] ? 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) 
[2161.143604][T18657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2161.143909][T18657] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2161.144219][T18657] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2161.144612][T18657] RIP: 0033:0x7fa2bcd731e7
[ 2161.144925][T18657] 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)
[ 2161.146015][T18657] RSP: 002b:00007fff78af75d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2161.146494][T18657] RAX: ffffffffffffffda RBX: 00007fff78af7d10 RCX: 00007fa2bcd731e7
[ 2161.146955][T18657] RDX: 0000000000000000 RSI: 00007fff78af7640 RDI: 0000000000000005
[ 2161.147406][T18657] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2161.147870][T18657] R10: 00007fa2bce01ac0 R11: 0000000000000246 R12: 00007fff78af7d48
[ 2161.148322][T18657] R13: 00000000686e3c06 R14: 0000000000499600 R15: 00007fff78af7730
| [ 2168.546856][T18722] ------------[ cut here ]------------
| [2168.547218][T18722] WARNING: CPU: 0 PID: 18722 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) 
| [ 2168.547872][T18722] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2168.549179][T18722] Tainted: [W]=WARN
[ 2168.549438][T18722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2168.549874][T18722] 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) 
[ 2168.550217][T18722] 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
[ 2168.551410][T18722] RSP: 0018:ffffc90009357080 EFLAGS: 00010246
[ 2168.551825][T18722] RAX: 0000000000000000 RBX: ffff88801b532000 RCX: 0000000000000001
[ 2168.552317][T18722] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2168.552806][T18722] RBP: ffffc90009357168 R08: 0000000000000000 R09: 0000000000000000
[ 2168.553288][T18722] R10: ffffc90009357198 R11: ffffffffa118d1e0 R12: 1ffff9200126ae14
[ 2168.553807][T18722] R13: 00000000000005dc R14: ffffc90009357198 R15: ffff88801b532f48
[ 2168.554323][T18722] FS:  00007f36eebd9800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 2168.554891][T18722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2168.555296][T18722] CR2: 00007f36eedc4ba0 CR3: 0000000021405005 CR4: 0000000000772ef0
[ 2168.555797][T18722] PKRU: 55555554
[ 2168.556037][T18722] Call Trace:
[ 2168.556275][T18722]  <TASK>
[2168.556440][T18722] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2168.556938][T18722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2168.557292][T18722] netif_set_mtu (net/core/dev.c:9652) 
[2168.557786][T18722] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2168.558138][T18722] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2168.558382][T18722] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2168.558853][T18722] br_add_if (net/bridge/br_if.c:697) 
[2168.559109][T18722] do_set_master (net/core/rtnetlink.c:2948) 
[2168.559605][T18722] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2168.559939][T18722] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2168.560266][T18722] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2168.560700][T18722] ? __dev_get_by_name (net/core/dev.c:865) 
[2168.561022][T18722] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2168.561342][T18722] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2168.561692][T18722] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2168.562033][T18722] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2168.562385][T18722] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2168.562755][T18722] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2168.563101][T18722] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2168.563433][T18722] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2168.563775][T18722] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2168.564110][T18722] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2168.564429][T18722] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2168.564786][T18722] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2168.565113][T18722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2168.565436][T18722] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2168.565769][T18722] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2168.566099][T18722] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2168.566461][T18722] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2168.566782][T18722] ? 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) 
[2168.567119][T18722] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2168.567440][T18722] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2168.567785][T18722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2168.568111][T18722] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2168.568435][T18722] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2168.568784][T18722] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2168.569124][T18722] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2168.569458][T18722] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2168.569802][T18722] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2168.570213][T18722] ___sys_sendmsg (net/socket.c:2670) 
[2168.570544][T18722] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2168.570865][T18722] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2168.571189][T18722] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2168.571527][T18722] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2168.571870][T18722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2168.572199][T18722] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2168.572529][T18722] __sys_sendmsg (net/socket.c:2700) 
[2168.572850][T18722] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2168.573201][T18722] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2168.573532][T18722] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2168.573853][T18722] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2168.574260][T18722] RIP: 0033:0x7f36eeda61e7
[ 2168.574612][T18722] 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)
[ 2168.575771][T18722] RSP: 002b:00007fff206ad348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2168.576260][T18722] RAX: ffffffffffffffda RBX: 00007fff206ada80 RCX: 00007f36eeda61e7
[ 2168.576755][T18722] RDX: 0000000000000000 RSI: 00007fff206ad3b0 RDI: 0000000000000005
[ 2168.577229][T18722] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2168.577708][T18722] R10: 00007f36eee34ac0 R11: 0000000000000246 R12: 00007fff206adab8
[ 2168.578182][T18722] R13: 00000000686e3c0d R14: 0000000000499600 R15: 00007fff206ad4a0
| [ 2172.883012][T18752] ------------[ cut here ]------------
| [2172.883334][T18752] WARNING: CPU: 1 PID: 18752 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) 
| [ 2172.883972][T18752] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2172.885338][T18752] Tainted: [W]=WARN
[ 2172.885593][T18752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2172.885994][T18752] 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) 
[ 2172.886334][T18752] 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
[ 2172.887508][T18752] RSP: 0018:ffffc900067ef080 EFLAGS: 00010246
[ 2172.887930][T18752] RAX: 0000000000000000 RBX: ffff88800f862000 RCX: 0000000000000001
[ 2172.888417][T18752] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2172.888931][T18752] RBP: ffffc900067ef168 R08: 0000000000000000 R09: 0000000000000000
[ 2172.889437][T18752] R10: ffffc900067ef198 R11: ffffffffa118d1e0 R12: 1ffff92000cfde14
[ 2172.889926][T18752] R13: 00000000000005dc R14: ffffc900067ef198 R15: ffff88800f862f48
[ 2172.890426][T18752] FS:  00007fd24681a800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2172.890994][T18752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2172.891395][T18752] CR2: 00007fd246a05ba0 CR3: 00000000153a1004 CR4: 0000000000772ef0
[ 2172.891886][T18752] PKRU: 55555554
[ 2172.892129][T18752] Call Trace:
[ 2172.892370][T18752]  <TASK>
[2172.892554][T18752] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2172.892883][T18752] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2172.893221][T18752] netif_set_mtu (net/core/dev.c:9652) 
[2172.893553][T18752] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2172.893888][T18752] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2172.894144][T18752] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2172.894485][T18752] br_add_if (net/bridge/br_if.c:697) 
[2172.894756][T18752] do_set_master (net/core/rtnetlink.c:2948) 
[2172.895085][T18752] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2172.895420][T18752] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2172.895754][T18752] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2172.896089][T18752] ? __dev_get_by_name (net/core/dev.c:865) 
[2172.896410][T18752] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2172.896749][T18752] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2172.897079][T18752] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2172.897416][T18752] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2172.897760][T18752] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2172.898092][T18752] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2172.898431][T18752] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2172.898788][T18752] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2172.899106][T18752] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2172.899440][T18752] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2172.899769][T18752] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2172.900107][T18752] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2172.900441][T18752] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2172.900791][T18752] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2172.901130][T18752] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2172.901464][T18752] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2172.901807][T18752] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2172.902133][T18752] ? 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) 
[2172.902484][T18752] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2172.902838][T18752] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2172.903172][T18752] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2172.903535][T18752] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2172.903869][T18752] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2172.904221][T18752] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2172.904586][T18752] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2172.904912][T18752] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2172.905238][T18752] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2172.905658][T18752] ___sys_sendmsg (net/socket.c:2670) 
[2172.905982][T18752] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2172.906307][T18752] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2172.906649][T18752] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2172.906990][T18752] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2172.907327][T18752] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2172.907700][T18752] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2172.908045][T18752] __sys_sendmsg (net/socket.c:2700) 
[2172.908381][T18752] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2172.908766][T18752] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2172.909109][T18752] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2172.909464][T18752] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2172.909870][T18752] RIP: 0033:0x7fd2469e71e7
[ 2172.910219][T18752] 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)
[ 2172.911393][T18752] RSP: 002b:00007ffdabe05648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2172.911929][T18752] RAX: ffffffffffffffda RBX: 00007ffdabe05d80 RCX: 00007fd2469e71e7
[ 2172.912441][T18752] RDX: 0000000000000000 RSI: 00007ffdabe056b0 RDI: 0000000000000005
[ 2172.912965][T18752] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2172.913468][T18752] R10: 00007fd246a75ac0 R11: 0000000000000246 R12: 00007ffdabe05db8
[ 2172.913957][T18752] R13: 00000000686e3c12 R14: 0000000000499600 R15: 00007ffdabe057a0
| [ 2196.592508][T18988] ------------[ cut here ]------------
| [2196.592821][T18988] WARNING: CPU: 3 PID: 18988 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) 
| [ 2196.593425][T18988] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2196.594718][T18988] Tainted: [W]=WARN
[ 2196.594951][T18988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2196.595342][T18988] 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) 
[ 2196.595675][T18988] 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
[ 2196.596778][T18988] RSP: 0018:ffffc900059df080 EFLAGS: 00010246
[ 2196.597163][T18988] RAX: 0000000000000000 RBX: ffff88800fa42000 RCX: 0000000000000001
[ 2196.597636][T18988] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2196.598101][T18988] RBP: ffffc900059df168 R08: 0000000000000000 R09: 0000000000000000
[ 2196.598565][T18988] R10: ffffc900059df198 R11: ffffffffa118d1e0 R12: 1ffff92000b3be14
[ 2196.599025][T18988] R13: 00000000000005dc R14: ffffc900059df198 R15: ffff88800fa42f48
[ 2196.599491][T18988] FS:  00007fe597b8d800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2196.600036][T18988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2196.600418][T18988] CR2: 000000000043d940 CR3: 0000000013f43005 CR4: 0000000000772ef0
[ 2196.600885][T18988] PKRU: 55555554
[ 2196.601113][T18988] Call Trace:
[ 2196.601339][T18988]  <TASK>
[2196.601516][T18988] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2196.601835][T18988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2196.602153][T18988] netif_set_mtu (net/core/dev.c:9652) 
[2196.602482][T18988] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2196.602800][T18988] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2196.603036][T18988] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2196.603346][T18988] br_add_if (net/bridge/br_if.c:697) 
[2196.603598][T18988] do_set_master (net/core/rtnetlink.c:2948) 
[2196.603903][T18988] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2196.604226][T18988] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2196.604550][T18988] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2196.604853][T18988] ? __dev_get_by_name (net/core/dev.c:865) 
[2196.605158][T18988] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2196.605483][T18988] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2196.605800][T18988] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2196.606102][T18988] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2196.606421][T18988] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2196.606745][T18988] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2196.607067][T18988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2196.607387][T18988] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2196.607703][T18988] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2196.608011][T18988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2196.608318][T18988] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2196.608640][T18988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2196.608953][T18988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2196.609271][T18988] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2196.609604][T18988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2196.609910][T18988] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2196.610228][T18988] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2196.610540][T18988] ? 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) 
[2196.610845][T18988] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2196.611149][T18988] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2196.611472][T18988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2196.611782][T18988] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2196.612093][T18988] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2196.612400][T18988] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2196.612720][T18988] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2196.613029][T18988] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2196.613332][T18988] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2196.613758][T18988] ___sys_sendmsg (net/socket.c:2670) 
[2196.614095][T18988] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2196.614406][T18988] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2196.614719][T18988] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2196.615024][T18988] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2196.615329][T18988] ? __handle_mm_fault (mm/memory.c:6212) 
[2196.615636][T18988] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2196.615951][T18988] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2196.616277][T18988] __sys_sendmsg (net/socket.c:2700) 
[2196.616587][T18988] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2196.616891][T18988] ? 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) 
[2196.617206][T18988] ? 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) 
[2196.617530][T18988] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2196.617843][T18988] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2196.618156][T18988] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2196.618548][T18988] RIP: 0033:0x7fe597d5a1e7
[ 2196.618860][T18988] 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)
[ 2196.620009][T18988] RSP: 002b:00007ffddf1d1c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2196.620488][T18988] RAX: ffffffffffffffda RBX: 00007ffddf1d23a0 RCX: 00007fe597d5a1e7
[ 2196.620945][T18988] RDX: 0000000000000000 RSI: 00007ffddf1d1cd0 RDI: 0000000000000005
[ 2196.621399][T18988] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2196.621883][T18988] R10: 00007fe597de8ac0 R11: 0000000000000246 R12: 00007ffddf1d23d8
[ 2196.622357][T18988] R13: 00000000686e3c29 R14: 0000000000499600 R15: 00007ffddf1d1dc0
| [ 2200.983939][T19018] ------------[ cut here ]------------
| [2200.984292][T19018] WARNING: CPU: 2 PID: 19018 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) 
| [ 2200.986297][T19018] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2200.987632][T19018] Tainted: [W]=WARN
[ 2200.987876][T19018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2200.988278][T19018] 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) 
[ 2200.988628][T19018] 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
[ 2200.989730][T19018] RSP: 0018:ffffc9000540f080 EFLAGS: 00010246
[ 2200.990131][T19018] RAX: 0000000000000000 RBX: ffff88801b532000 RCX: 0000000000000001
[ 2200.990659][T19018] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2200.991128][T19018] RBP: ffffc9000540f168 R08: 0000000000000000 R09: 0000000000000000
[ 2200.991668][T19018] R10: ffffc9000540f198 R11: ffffffffa118d1e0 R12: 1ffff92000a81e14
[ 2200.992167][T19018] R13: 00000000000005dc R14: ffffc9000540f198 R15: ffff88801b532f48
[ 2200.992668][T19018] FS:  00007f4dae7af800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2200.993287][T19018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2200.993720][T19018] CR2: 000000000043d940 CR3: 0000000012db0003 CR4: 0000000000772ef0
[ 2200.994236][T19018] PKRU: 55555554
[ 2200.994508][T19018] Call Trace:
[ 2200.994757][T19018]  <TASK>
[2200.994936][T19018] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2200.995290][T19018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2200.995663][T19018] netif_set_mtu (net/core/dev.c:9652) 
[2200.995998][T19018] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2200.996343][T19018] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2200.996602][T19018] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2200.996927][T19018] br_add_if (net/bridge/br_if.c:697) 
[2200.997182][T19018] do_set_master (net/core/rtnetlink.c:2948) 
[2200.997520][T19018] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2200.997859][T19018] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2200.998192][T19018] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2200.998544][T19018] ? __dev_get_by_name (net/core/dev.c:865) 
[2200.998882][T19018] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2200.999197][T19018] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2200.999543][T19018] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2200.999859][T19018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2201.000194][T19018] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2201.000541][T19018] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2201.000884][T19018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2201.001213][T19018] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2201.001539][T19018] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2201.001873][T19018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2201.002206][T19018] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2201.002554][T19018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2201.002876][T19018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2201.003203][T19018] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2201.003536][T19018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2201.003854][T19018] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2201.004212][T19018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2201.004541][T19018] ? 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) 
[2201.004868][T19018] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2201.005190][T19018] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2201.005514][T19018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2201.005849][T19018] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2201.006193][T19018] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2201.006524][T19018] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2201.006864][T19018] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2201.007184][T19018] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2201.007546][T19018] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2201.007967][T19018] ___sys_sendmsg (net/socket.c:2670) 
[2201.008286][T19018] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2201.008636][T19018] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2201.008956][T19018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2201.009270][T19018] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2201.009624][T19018] ? __handle_mm_fault (mm/memory.c:6212) 
[2201.009959][T19018] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2201.010271][T19018] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2201.010644][T19018] __sys_sendmsg (net/socket.c:2700) 
[2201.010981][T19018] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2201.011302][T19018] ? 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) 
[2201.011639][T19018] ? 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) 
[2201.011985][T19018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2201.012309][T19018] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2201.012653][T19018] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2201.013047][T19018] RIP: 0033:0x7f4dae97c1e7
[ 2201.013374][T19018] 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)
[ 2201.014544][T19018] RSP: 002b:00007fffcb0d2e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2201.015020][T19018] RAX: ffffffffffffffda RBX: 00007fffcb0d3560 RCX: 00007f4dae97c1e7
[ 2201.015503][T19018] RDX: 0000000000000000 RSI: 00007fffcb0d2e90 RDI: 0000000000000005
[ 2201.015971][T19018] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2201.016483][T19018] R10: 00007f4daea0aac0 R11: 0000000000000246 R12: 00007fffcb0d3598
[ 2201.016955][T19018] R13: 00000000686e3c2e R14: 0000000000499600 R15: 00007fffcb0d2f80
| [ 2208.214174][T19083] ------------[ cut here ]------------
| [2208.214512][T19083] WARNING: CPU: 3 PID: 19083 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) 
| [ 2208.215127][T19083] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2208.216387][T19083] Tainted: [W]=WARN
[ 2208.216631][T19083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2208.217014][T19083] 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) 
[ 2208.217324][T19083] 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
[ 2208.218429][T19083] RSP: 0018:ffffc900063ff080 EFLAGS: 00010246
[ 2208.218845][T19083] RAX: 0000000000000000 RBX: ffff888012da2000 RCX: 0000000000000001
[ 2208.219299][T19083] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2208.219760][T19083] RBP: ffffc900063ff168 R08: 0000000000000000 R09: 0000000000000000
[ 2208.220211][T19083] R10: ffffc900063ff198 R11: ffffffffa118d1e0 R12: 1ffff92000c7fe14
[ 2208.220673][T19083] R13: 00000000000005dc R14: ffffc900063ff198 R15: ffff888012da2f48
[ 2208.221126][T19083] FS:  00007f2b1c88c800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2208.221658][T19083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2208.222040][T19083] CR2: 00007f2b1ca77ba0 CR3: 0000000022d19005 CR4: 0000000000772ef0
[ 2208.222512][T19083] PKRU: 55555554
[ 2208.222749][T19083] Call Trace:
[ 2208.222974][T19083]  <TASK>
[2208.223130][T19083] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2208.223432][T19083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2208.223759][T19083] netif_set_mtu (net/core/dev.c:9652) 
[2208.224107][T19083] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2208.224435][T19083] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2208.224676][T19083] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2208.224986][T19083] br_add_if (net/bridge/br_if.c:697) 
[2208.225254][T19083] do_set_master (net/core/rtnetlink.c:2948) 
[2208.225566][T19083] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2208.225873][T19083] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2208.226178][T19083] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2208.226498][T19083] ? __dev_get_by_name (net/core/dev.c:865) 
[2208.226809][T19083] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2208.227111][T19083] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2208.227426][T19083] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2208.227735][T19083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2208.228045][T19083] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2208.228359][T19083] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2208.228676][T19083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2208.228989][T19083] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2208.229291][T19083] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2208.229604][T19083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2208.229916][T19083] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2208.230221][T19083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2208.230544][T19083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2208.230852][T19083] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2208.231152][T19083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2208.231467][T19083] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2208.231784][T19083] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2208.232090][T19083] ? 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) 
[2208.232395][T19083] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2208.232706][T19083] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2208.233006][T19083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2208.233317][T19083] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2208.233630][T19083] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2208.233931][T19083] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2208.234260][T19083] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2208.234583][T19083] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2208.234885][T19083] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2208.235270][T19083] ___sys_sendmsg (net/socket.c:2670) 
[2208.235582][T19083] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2208.235887][T19083] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2208.236191][T19083] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2208.236507][T19083] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2208.236815][T19083] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2208.237124][T19083] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2208.237428][T19083] __sys_sendmsg (net/socket.c:2700) 
[2208.237739][T19083] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2208.238052][T19083] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2208.238355][T19083] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2208.238676][T19083] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2208.239068][T19083] RIP: 0033:0x7f2b1ca591e7
[ 2208.239381][T19083] 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)
[ 2208.240462][T19083] RSP: 002b:00007ffed7c9ce88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2208.240924][T19083] RAX: ffffffffffffffda RBX: 00007ffed7c9d5c0 RCX: 00007f2b1ca591e7
[ 2208.241374][T19083] RDX: 0000000000000000 RSI: 00007ffed7c9cef0 RDI: 0000000000000005
[ 2208.241830][T19083] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2208.242282][T19083] R10: 00007f2b1cae7ac0 R11: 0000000000000246 R12: 00007ffed7c9d5f8
[ 2208.242760][T19083] R13: 00000000686e3c35 R14: 0000000000499600 R15: 00007ffed7c9cfe0
| [ 2212.512917][T19114] ------------[ cut here ]------------
| [2212.513277][T19114] WARNING: CPU: 2 PID: 19114 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) 
| [ 2212.513948][T19114] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2212.515311][T19114] Tainted: [W]=WARN
[ 2212.515584][T19114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2212.515998][T19114] 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) 
[ 2212.516337][T19114] 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
[ 2212.517526][T19114] RSP: 0018:ffffc90008827080 EFLAGS: 00010246
[ 2212.517943][T19114] RAX: 0000000000000000 RBX: ffff88802042a000 RCX: 0000000000000001
[ 2212.518427][T19114] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2212.518925][T19114] RBP: ffffc90008827168 R08: 0000000000000000 R09: 0000000000000000
[ 2212.519425][T19114] R10: ffffc90008827198 R11: ffffffffa118d1e0 R12: 1ffff92001104e14
[ 2212.519931][T19114] R13: 00000000000005dc R14: ffffc90008827198 R15: ffff88802042af48
[ 2212.520424][T19114] FS:  00007f911db5a800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2212.521009][T19114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2212.521432][T19114] CR2: 00007f911dd45ba0 CR3: 0000000004fd5004 CR4: 0000000000772ef0
[ 2212.521932][T19114] PKRU: 55555554
[ 2212.522184][T19114] Call Trace:
[ 2212.522435][T19114]  <TASK>
[2212.522622][T19114] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2212.522956][T19114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2212.523303][T19114] netif_set_mtu (net/core/dev.c:9652) 
[2212.523656][T19114] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2212.524017][T19114] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2212.524316][T19114] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2212.524668][T19114] br_add_if (net/bridge/br_if.c:697) 
[2212.524936][T19114] do_set_master (net/core/rtnetlink.c:2948) 
[2212.525268][T19114] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2212.525614][T19114] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2212.525951][T19114] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2212.526286][T19114] ? __dev_get_by_name (net/core/dev.c:865) 
[2212.526627][T19114] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2212.526956][T19114] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2212.527293][T19114] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2212.527643][T19114] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2212.527981][T19114] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2212.528322][T19114] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2212.528679][T19114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2212.529028][T19114] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2212.529366][T19114] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2212.529711][T19114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2212.530042][T19114] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2212.530372][T19114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2212.530719][T19114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2212.531057][T19114] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2212.531387][T19114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2212.531746][T19114] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2212.532092][T19114] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2212.532420][T19114] ? 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) 
[2212.532763][T19114] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2212.533095][T19114] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2212.533427][T19114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2212.533773][T19114] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2212.534177][T19114] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2212.534532][T19114] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2212.534876][T19114] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2212.535208][T19114] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2212.535561][T19114] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2212.535985][T19114] ___sys_sendmsg (net/socket.c:2670) 
[2212.536319][T19114] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2212.536678][T19114] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2212.537011][T19114] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2212.537339][T19114] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2212.537688][T19114] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2212.538030][T19114] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2212.538370][T19114] __sys_sendmsg (net/socket.c:2700) 
[2212.538713][T19114] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2212.539064][T19114] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2212.539398][T19114] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2212.539763][T19114] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2212.540175][T19114] RIP: 0033:0x7f911dd271e7
[ 2212.540528][T19114] 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)
[ 2212.541699][T19114] RSP: 002b:00007ffca4a8d8e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2212.542199][T19114] RAX: ffffffffffffffda RBX: 00007ffca4a8e020 RCX: 00007f911dd271e7
[ 2212.542708][T19114] RDX: 0000000000000000 RSI: 00007ffca4a8d950 RDI: 0000000000000005
[ 2212.543205][T19114] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2212.543724][T19114] R10: 00007f911ddb5ac0 R11: 0000000000000246 R12: 00007ffca4a8e058
[ 2212.544231][T19114] R13: 00000000686e3c39 R14: 0000000000499600 R15: 00007ffca4a8da40
| [ 2236.356911][T19350] ------------[ cut here ]------------
| [2236.357338][T19350] WARNING: CPU: 1 PID: 19350 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) 
| [ 2236.357953][T19350] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2236.359322][T19350] Tainted: [W]=WARN
[ 2236.359566][T19350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2236.360070][T19350] 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) 
[ 2236.360443][T19350] 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
[ 2236.361839][T19350] RSP: 0018:ffffc9000803f080 EFLAGS: 00010246
[ 2236.362234][T19350] RAX: 0000000000000000 RBX: ffff88801f1ea000 RCX: 0000000000000001
[ 2236.362746][T19350] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2236.363473][T19350] RBP: ffffc9000803f168 R08: 0000000000000000 R09: 0000000000000000
[ 2236.364151][T19350] R10: ffffc9000803f198 R11: ffffffffa118d1e0 R12: 1ffff92001007e14
[ 2236.364724][T19350] R13: 00000000000005dc R14: ffffc9000803f198 R15: ffff88801f1eaf48
[ 2236.365344][T19350] FS:  00007f0906a78800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2236.366175][T19350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2236.366571][T19350] CR2: 000000000043d940 CR3: 0000000014bc3004 CR4: 0000000000772ef0
[ 2236.367271][T19350] PKRU: 55555554
[ 2236.367633][T19350] Call Trace:
[ 2236.368038][T19350]  <TASK>
[2236.368304][T19350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2236.368762][T19350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2236.369192][T19350] netif_set_mtu (net/core/dev.c:9652) 
[2236.369592][T19350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2236.369935][T19350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2236.370256][T19350] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2236.370582][T19350] br_add_if (net/bridge/br_if.c:697) 
[2236.370838][T19350] do_set_master (net/core/rtnetlink.c:2948) 
[2236.371144][T19350] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2236.371632][T19350] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2236.372134][T19350] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2236.372524][T19350] ? __dev_get_by_name (net/core/dev.c:865) 
[2236.372889][T19350] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2236.373195][T19350] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2236.373523][T19350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2236.373839][T19350] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2236.374160][T19350] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2236.374584][T19350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2236.374930][T19350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2236.375301][T19350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2236.375768][T19350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2236.376245][T19350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2236.376709][T19350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2236.377252][T19350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2236.377826][T19350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2236.378354][T19350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2236.378899][T19350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2236.379438][T19350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2236.379920][T19350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2236.380287][T19350] ? 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) 
[2236.380693][T19350] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2236.381051][T19350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2236.381435][T19350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2236.381790][T19350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2236.382120][T19350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2236.382529][T19350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2236.382941][T19350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2236.383266][T19350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2236.383748][T19350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2236.384299][T19350] ___sys_sendmsg (net/socket.c:2670) 
[2236.384633][T19350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2236.385086][T19350] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2236.385397][T19350] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2236.385759][T19350] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2236.386154][T19350] ? __handle_mm_fault (mm/memory.c:6212) 
[2236.386478][T19350] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2236.386795][T19350] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2236.387132][T19350] __sys_sendmsg (net/socket.c:2700) 
[2236.387576][T19350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2236.388087][T19350] ? 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) 
[2236.388506][T19350] ? 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) 
[2236.389073][T19350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2236.389681][T19350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2236.390219][T19350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2236.390633][T19350] RIP: 0033:0x7f0906c451e7
[ 2236.391003][T19350] 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)
[ 2236.392440][T19350] RSP: 002b:00007ffe4c0b1058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2236.393056][T19350] RAX: ffffffffffffffda RBX: 00007ffe4c0b1790 RCX: 00007f0906c451e7
[ 2236.393578][T19350] RDX: 0000000000000000 RSI: 00007ffe4c0b10c0 RDI: 0000000000000005
[ 2236.394049][T19350] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2236.394706][T19350] R10: 00007f0906cd3ac0 R11: 0000000000000246 R12: 00007ffe4c0b17c8
[ 2236.395192][T19350] R13: 00000000686e3c51 R14: 0000000000499600 R15: 00007ffe4c0b11b0
| [ 2240.633590][T19380] ------------[ cut here ]------------
| [2240.633921][T19380] WARNING: CPU: 2 PID: 19380 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) 
| [ 2240.634570][T19380] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2240.635874][T19380] Tainted: [W]=WARN
[ 2240.636129][T19380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2240.636545][T19380] 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) 
[ 2240.636879][T19380] 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
[ 2240.637999][T19380] RSP: 0018:ffffc900076ef080 EFLAGS: 00010246
[ 2240.638402][T19380] RAX: 0000000000000000 RBX: ffff88801be0a000 RCX: 0000000000000001
[ 2240.638887][T19380] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2240.639348][T19380] RBP: ffffc900076ef168 R08: 0000000000000000 R09: 0000000000000000
[ 2240.639836][T19380] R10: ffffc900076ef198 R11: ffffffffa118d1e0 R12: 1ffff92000edde14
[ 2240.640309][T19380] R13: 00000000000005dc R14: ffffc900076ef198 R15: ffff88801be0af48
[ 2240.640793][T19380] FS:  00007fd9b5466800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2240.641335][T19380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2240.641738][T19380] CR2: 000000000043d940 CR3: 000000001fa73005 CR4: 0000000000772ef0
[ 2240.642210][T19380] PKRU: 55555554
[ 2240.642458][T19380] Call Trace:
[ 2240.642708][T19380]  <TASK>
[2240.642878][T19380] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2240.643198][T19380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2240.643549][T19380] netif_set_mtu (net/core/dev.c:9652) 
[2240.643871][T19380] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2240.644212][T19380] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2240.644469][T19380] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2240.644791][T19380] br_add_if (net/bridge/br_if.c:697) 
[2240.645053][T19380] do_set_master (net/core/rtnetlink.c:2948) 
[2240.645369][T19380] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2240.645703][T19380] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2240.646029][T19380] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2240.646341][T19380] ? __dev_get_by_name (net/core/dev.c:865) 
[2240.646669][T19380] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2240.646987][T19380] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2240.647314][T19380] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2240.647658][T19380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2240.648043][T19380] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2240.648386][T19380] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2240.648721][T19380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2240.649048][T19380] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2240.649364][T19380] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2240.649694][T19380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2240.650018][T19380] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2240.650335][T19380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2240.650668][T19380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2240.650989][T19380] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2240.651305][T19380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2240.651644][T19380] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2240.651974][T19380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2240.652296][T19380] ? 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) 
[2240.652625][T19380] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2240.652945][T19380] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2240.653266][T19380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2240.653598][T19380] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2240.653925][T19380] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2240.654251][T19380] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2240.654594][T19380] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2240.654921][T19380] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2240.655235][T19380] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2240.655657][T19380] ___sys_sendmsg (net/socket.c:2670) 
[2240.655977][T19380] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2240.656290][T19380] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2240.656619][T19380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2240.656939][T19380] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2240.657261][T19380] ? __handle_mm_fault (mm/memory.c:6212) 
[2240.657586][T19380] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2240.657901][T19380] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2240.658236][T19380] __sys_sendmsg (net/socket.c:2700) 
[2240.658568][T19380] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2240.658882][T19380] ? 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) 
[2240.659214][T19380] ? 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) 
[2240.659551][T19380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2240.659877][T19380] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2240.660193][T19380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2240.660590][T19380] RIP: 0033:0x7fd9b56331e7
[ 2240.660916][T19380] 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)
[ 2240.662019][T19380] RSP: 002b:00007fff83002308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2240.662502][T19380] RAX: ffffffffffffffda RBX: 00007fff83002a40 RCX: 00007fd9b56331e7
[ 2240.662967][T19380] RDX: 0000000000000000 RSI: 00007fff83002370 RDI: 0000000000000005
[ 2240.663441][T19380] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2240.663928][T19380] R10: 00007fd9b56c1ac0 R11: 0000000000000246 R12: 00007fff83002a78
[ 2240.664410][T19380] R13: 00000000686e3c56 R14: 0000000000499600 R15: 00007fff83002460
| [ 2248.011385][T19446] ------------[ cut here ]------------
| [2248.011722][T19446] WARNING: CPU: 1 PID: 19446 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) 
| [ 2248.012351][T19446] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2248.013700][T19446] Tainted: [W]=WARN
[ 2248.013949][T19446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2248.014362][T19446] 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) 
[ 2248.015600][T19446] 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
[ 2248.016744][T19446] RSP: 0018:ffffc9000737f080 EFLAGS: 00010246
[ 2248.017144][T19446] RAX: 0000000000000000 RBX: ffff88801f3c2000 RCX: 0000000000000001
[ 2248.017635][T19446] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2248.018118][T19446] RBP: ffffc9000737f168 R08: 0000000000000000 R09: 0000000000000000
[ 2248.018603][T19446] R10: ffffc9000737f198 R11: ffffffffa118d1e0 R12: 1ffff92000e6fe14
[ 2248.019076][T19446] R13: 00000000000005dc R14: ffffc9000737f198 R15: ffff88801f3c2f48
[ 2248.019557][T19446] FS:  00007fa7e0c38800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2248.020112][T19446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2248.020526][T19446] CR2: 00007fa7e0e23ba0 CR3: 0000000004fe4002 CR4: 0000000000772ef0
[ 2248.021005][T19446] PKRU: 55555554
[ 2248.021242][T19446] Call Trace:
[ 2248.021495][T19446]  <TASK>
[2248.021659][T19446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2248.021974][T19446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2248.022312][T19446] netif_set_mtu (net/core/dev.c:9652) 
[2248.022639][T19446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2248.022974][T19446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2248.023215][T19446] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2248.023548][T19446] br_add_if (net/bridge/br_if.c:697) 
[2248.023811][T19446] do_set_master (net/core/rtnetlink.c:2948) 
[2248.024147][T19446] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2248.024501][T19446] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2248.024837][T19446] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2248.025164][T19446] ? __dev_get_by_name (net/core/dev.c:865) 
[2248.025507][T19446] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2248.025839][T19446] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2248.026165][T19446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2248.026498][T19446] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2248.026834][T19446] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2248.027182][T19446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2248.027523][T19446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2248.027864][T19446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2248.028192][T19446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2248.028523][T19446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2248.028842][T19446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2248.029165][T19446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2248.029509][T19446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2248.029842][T19446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2248.030162][T19446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2248.030505][T19446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2248.030837][T19446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2248.031153][T19446] ? 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) 
[2248.031486][T19446] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2248.031807][T19446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2248.032160][T19446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2248.032504][T19446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2248.032835][T19446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2248.033163][T19446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2248.033533][T19446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2248.033858][T19446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2248.034190][T19446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2248.034646][T19446] ___sys_sendmsg (net/socket.c:2670) 
[2248.034981][T19446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2248.035302][T19446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2248.035640][T19446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2248.035971][T19446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2248.036296][T19446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2248.036633][T19446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2248.036965][T19446] __sys_sendmsg (net/socket.c:2700) 
[2248.037303][T19446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2248.037665][T19446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2248.037989][T19446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2248.038339][T19446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2248.038763][T19446] RIP: 0033:0x7fa7e0e051e7
[ 2248.039102][T19446] 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)
[ 2248.040282][T19446] RSP: 002b:00007ffe8a761fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2248.040778][T19446] RAX: ffffffffffffffda RBX: 00007ffe8a762700 RCX: 00007fa7e0e051e7
[ 2248.041280][T19446] RDX: 0000000000000000 RSI: 00007ffe8a762030 RDI: 0000000000000005
[ 2248.041797][T19446] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2248.042290][T19446] R10: 00007fa7e0e93ac0 R11: 0000000000000246 R12: 00007ffe8a762738
[ 2248.042794][T19446] R13: 00000000686e3c5d R14: 0000000000499600 R15: 00007ffe8a762120
| [ 2252.185655][T19476] ------------[ cut here ]------------
| [2252.186018][T19476] WARNING: CPU: 2 PID: 19476 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) 
| [ 2252.187044][T19476] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2252.188364][T19476] Tainted: [W]=WARN
[ 2252.188621][T19476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2252.189036][T19476] 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) 
[ 2252.189364][T19476] 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
[ 2252.190506][T19476] RSP: 0018:ffffc90005d6f080 EFLAGS: 00010246
[ 2252.190924][T19476] RAX: 0000000000000000 RBX: ffff888014a4a000 RCX: 0000000000000001
[ 2252.191391][T19476] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2252.191885][T19476] RBP: ffffc90005d6f168 R08: 0000000000000000 R09: 0000000000000000
[ 2252.192362][T19476] R10: ffffc90005d6f198 R11: ffffffffa118d1e0 R12: 1ffff92000bade14
[ 2252.192838][T19476] R13: 00000000000005dc R14: ffffc90005d6f198 R15: ffff888014a4af48
[ 2252.193339][T19476] FS:  00007f687f3c0800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2252.193909][T19476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2252.194319][T19476] CR2: 00007f687f4c0130 CR3: 0000000015930002 CR4: 0000000000772ef0
[ 2252.194812][T19476] PKRU: 55555554
[ 2252.195072][T19476] Call Trace:
[ 2252.195316][T19476]  <TASK>
[2252.195496][T19476] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2252.195820][T19476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2252.196165][T19476] netif_set_mtu (net/core/dev.c:9652) 
[2252.196494][T19476] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2252.196824][T19476] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2252.197090][T19476] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2252.197411][T19476] br_add_if (net/bridge/br_if.c:697) 
[2252.197676][T19476] do_set_master (net/core/rtnetlink.c:2948) 
[2252.198015][T19476] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2252.198335][T19476] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2252.198676][T19476] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2252.198992][T19476] ? __dev_get_by_name (net/core/dev.c:865) 
[2252.199353][T19476] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2252.199678][T19476] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2252.200004][T19476] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2252.200333][T19476] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2252.200681][T19476] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2252.201009][T19476] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2252.201350][T19476] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2252.201687][T19476] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2252.202011][T19476] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2252.202340][T19476] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2252.202667][T19476] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2252.202987][T19476] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2252.203324][T19476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2252.203656][T19476] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2252.203979][T19476] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2252.204335][T19476] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2252.204677][T19476] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2252.204994][T19476] ? 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) 
[2252.205354][T19476] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2252.205689][T19476] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2252.206005][T19476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2252.206344][T19476] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2252.206685][T19476] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2252.207005][T19476] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2252.207345][T19476] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2252.207678][T19476] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2252.207991][T19476] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2252.208430][T19476] ___sys_sendmsg (net/socket.c:2670) 
[2252.208765][T19476] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2252.209094][T19476] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2252.209430][T19476] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2252.209760][T19476] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2252.210083][T19476] ? __handle_mm_fault (mm/memory.c:6212) 
[2252.210424][T19476] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2252.210749][T19476] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2252.211091][T19476] __sys_sendmsg (net/socket.c:2700) 
[2252.211479][T19476] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2252.211807][T19476] ? 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) 
[2252.212129][T19476] ? 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) 
[2252.212479][T19476] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2252.212809][T19476] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2252.213130][T19476] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2252.213550][T19476] RIP: 0033:0x7f687f58d1e7
[ 2252.213890][T19476] 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)
[ 2252.215030][T19476] RSP: 002b:00007ffca582f1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2252.215535][T19476] RAX: ffffffffffffffda RBX: 00007ffca582f8e0 RCX: 00007f687f58d1e7
[ 2252.216016][T19476] RDX: 0000000000000000 RSI: 00007ffca582f210 RDI: 0000000000000005
[ 2252.216512][T19476] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2252.216977][T19476] R10: 00007f687f61bac0 R11: 0000000000000246 R12: 00007ffca582f918
[ 2252.217478][T19476] R13: 00000000686e3c61 R14: 0000000000499600 R15: 00007ffca582f300
| [ 2275.993462][T19712] ------------[ cut here ]------------
| [2275.993844][T19712] WARNING: CPU: 0 PID: 19712 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) 
| [ 2275.994515][T19712] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2275.995795][T19712] Tainted: [W]=WARN
[ 2275.996032][T19712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2275.996416][T19712] 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) 
[ 2275.996742][T19712] 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
[ 2275.997861][T19712] RSP: 0018:ffffc9000558f080 EFLAGS: 00010246
[ 2275.998259][T19712] RAX: 0000000000000000 RBX: ffff8880217a2000 RCX: 0000000000000001
[ 2275.998781][T19712] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2275.999278][T19712] RBP: ffffc9000558f168 R08: 0000000000000000 R09: 0000000000000000
[ 2275.999768][T19712] R10: ffffc9000558f198 R11: ffffffffa118d1e0 R12: 1ffff92000ab1e14
[ 2276.000247][T19712] R13: 00000000000005dc R14: ffffc9000558f198 R15: ffff8880217a2f48
[ 2276.000734][T19712] FS:  00007fcabf7f1800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 2276.001311][T19712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2276.001734][T19712] CR2: 00007f1126220af0 CR3: 0000000022819004 CR4: 0000000000772ef0
[ 2276.002220][T19712] PKRU: 55555554
[ 2276.002468][T19712] Call Trace:
[ 2276.002709][T19712]  <TASK>
[2276.002870][T19712] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2276.003195][T19712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2276.003541][T19712] netif_set_mtu (net/core/dev.c:9652) 
[2276.003869][T19712] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2276.004268][T19712] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2276.004528][T19712] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2276.005612][T19712] br_add_if (net/bridge/br_if.c:697) 
[2276.005868][T19712] do_set_master (net/core/rtnetlink.c:2948) 
[2276.006191][T19712] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2276.006522][T19712] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2276.006862][T19712] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2276.007201][T19712] ? __dev_get_by_name (net/core/dev.c:865) 
[2276.008428][T19712] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2276.008741][T19712] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2276.009053][T19712] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2276.009358][T19712] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2276.009677][T19712] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2276.009995][T19712] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2276.010311][T19712] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2276.011583][T19712] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2276.011891][T19712] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2276.012205][T19712] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2276.012523][T19712] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2276.012832][T19712] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2276.013837][T19712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2276.014151][T19712] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2276.014489][T19712] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2276.014804][T19712] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2276.015123][T19712] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2276.015431][T19712] ? 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) 
[2276.016428][T19712] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2276.016753][T19712] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2276.017066][T19712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2276.017394][T19712] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2276.017716][T19712] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2276.018022][T19712] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2276.018334][T19712] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2276.019315][T19712] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2276.019629][T19712] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2276.024200][T19712] ___sys_sendmsg (net/socket.c:2670) 
[2276.024523][T19712] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2276.024840][T19712] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2276.025149][T19712] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2276.026144][T19712] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2276.026463][T19712] ? __handle_mm_fault (mm/memory.c:6212) 
[2276.026772][T19712] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2276.027072][T19712] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2276.027419][T19712] __sys_sendmsg (net/socket.c:2700) 
[2276.027739][T19712] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2276.028045][T19712] ? 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) 
[2276.028361][T19712] ? 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) 
[2276.028678][T19712] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2276.028993][T19712] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2276.029304][T19712] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2276.029705][T19712] RIP: 0033:0x7fcabf9be1e7
[ 2276.030026][T19712] 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)
[ 2276.031854][T19712] RSP: 002b:00007ffd5093ee48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2276.032321][T19712] RAX: ffffffffffffffda RBX: 00007ffd5093f580 RCX: 00007fcabf9be1e7
[ 2276.032800][T19712] RDX: 0000000000000000 RSI: 00007ffd5093eeb0 RDI: 0000000000000005
[ 2276.033258][T19712] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2276.033730][T19712] R10: 00007fcabfa4cac0 R11: 0000000000000246 R12: 00007ffd5093f5b8
[ 2276.034197][T19712] R13: 00000000686e3c79 R14: 0000000000499600 R15: 00007ffd5093efa0
| [ 2280.399211][T19742] ------------[ cut here ]------------
| [2280.399590][T19742] WARNING: CPU: 2 PID: 19742 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) 
| [ 2280.400219][T19742] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2280.401562][T19742] Tainted: [W]=WARN
[ 2280.401812][T19742] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2280.402206][T19742] 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) 
[ 2280.402558][T19742] 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
[ 2280.403720][T19742] RSP: 0018:ffffc90003def080 EFLAGS: 00010246
[ 2280.404130][T19742] RAX: 0000000000000000 RBX: ffff88801f3c2000 RCX: 0000000000000001
[ 2280.404656][T19742] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2280.405151][T19742] RBP: ffffc90003def168 R08: 0000000000000000 R09: 0000000000000000
[ 2280.405679][T19742] R10: ffffc90003def198 R11: ffffffffa118d1e0 R12: 1ffff920007bde14
[ 2280.406162][T19742] R13: 00000000000005dc R14: ffffc90003def198 R15: ffff88801f3c2f48
[ 2280.406658][T19742] FS:  00007fd4f6572800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2280.407210][T19742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2280.407631][T19742] CR2: 000000000043d940 CR3: 0000000005d15005 CR4: 0000000000772ef0
[ 2280.408126][T19742] PKRU: 55555554
[ 2280.408370][T19742] Call Trace:
[ 2280.408663][T19742]  <TASK>
[2280.408838][T19742] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2280.409170][T19742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2280.409534][T19742] netif_set_mtu (net/core/dev.c:9652) 
[2280.409867][T19742] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2280.410225][T19742] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2280.410494][T19742] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2280.410831][T19742] br_add_if (net/bridge/br_if.c:697) 
[2280.411091][T19742] do_set_master (net/core/rtnetlink.c:2948) 
[2280.411423][T19742] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2280.411762][T19742] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2280.412084][T19742] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2280.412419][T19742] ? __dev_get_by_name (net/core/dev.c:865) 
[2280.412784][T19742] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2280.413117][T19742] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2280.413462][T19742] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2280.413798][T19742] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2280.414134][T19742] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2280.414511][T19742] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2280.414841][T19742] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2280.415183][T19742] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2280.415527][T19742] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2280.415856][T19742] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2280.416197][T19742] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2280.416556][T19742] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2280.416895][T19742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2280.417245][T19742] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2280.417600][T19742] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2280.417931][T19742] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2280.418275][T19742] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2280.418614][T19742] ? 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) 
[2280.418948][T19742] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2280.419277][T19742] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2280.419620][T19742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2280.419958][T19742] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2280.420288][T19742] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2280.420640][T19742] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2280.420981][T19742] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2280.421308][T19742] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2280.421653][T19742] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2280.422067][T19742] ___sys_sendmsg (net/socket.c:2670) 
[2280.422400][T19742] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2280.422735][T19742] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2280.423055][T19742] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2280.423377][T19742] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2280.423711][T19742] ? __handle_mm_fault (mm/memory.c:6212) 
[2280.424031][T19742] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2280.424362][T19742] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2280.424725][T19742] __sys_sendmsg (net/socket.c:2700) 
[2280.425046][T19742] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2280.425363][T19742] ? 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) 
[2280.425699][T19742] ? 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) 
[2280.426021][T19742] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2280.426357][T19742] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2280.426687][T19742] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2280.427090][T19742] RIP: 0033:0x7fd4f673f1e7
[ 2280.427427][T19742] 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)
[ 2280.428543][T19742] RSP: 002b:00007ffca4548f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2280.429021][T19742] RAX: ffffffffffffffda RBX: 00007ffca45496d0 RCX: 00007fd4f673f1e7
[ 2280.429503][T19742] RDX: 0000000000000000 RSI: 00007ffca4549000 RDI: 0000000000000005
[ 2280.429976][T19742] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2280.430457][T19742] R10: 00007fd4f67cdac0 R11: 0000000000000246 R12: 00007ffca4549708
[ 2280.430942][T19742] R13: 00000000686e3c7d R14: 0000000000499600 R15: 00007ffca45490f0
| [ 2287.695562][T19807] ------------[ cut here ]------------
| [2287.695944][T19807] WARNING: CPU: 2 PID: 19807 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) 
| [ 2287.696609][T19807] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2287.697965][T19807] Tainted: [W]=WARN
[ 2287.698229][T19807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2287.698648][T19807] 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) 
[ 2287.698992][T19807] 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
[ 2287.700173][T19807] RSP: 0018:ffffc900066cf080 EFLAGS: 00010246
[ 2287.700612][T19807] RAX: 0000000000000000 RBX: ffff8880134ea000 RCX: 0000000000000001
[ 2287.701110][T19807] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2287.701621][T19807] RBP: ffffc900066cf168 R08: 0000000000000000 R09: 0000000000000000
[ 2287.702129][T19807] R10: ffffc900066cf198 R11: ffffffffa118d1e0 R12: 1ffff92000cd9e14
[ 2287.702652][T19807] R13: 00000000000005dc R14: ffffc900066cf198 R15: ffff8880134eaf48
[ 2287.703151][T19807] FS:  00007f2592a7d800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2287.703728][T19807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2287.704149][T19807] CR2: 00007f2592c68ba0 CR3: 000000002177c004 CR4: 0000000000772ef0
[ 2287.704680][T19807] PKRU: 55555554
[ 2287.704950][T19807] Call Trace:
[ 2287.705207][T19807]  <TASK>
[2287.705391][T19807] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2287.705735][T19807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2287.706087][T19807] netif_set_mtu (net/core/dev.c:9652) 
[2287.706420][T19807] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2287.706780][T19807] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2287.707042][T19807] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2287.707382][T19807] br_add_if (net/bridge/br_if.c:697) 
[2287.707662][T19807] do_set_master (net/core/rtnetlink.c:2948) 
[2287.707997][T19807] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2287.708335][T19807] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2287.708686][T19807] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2287.709019][T19807] ? __dev_get_by_name (net/core/dev.c:865) 
[2287.709354][T19807] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2287.709700][T19807] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2287.710080][T19807] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2287.710417][T19807] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2287.710767][T19807] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2287.711120][T19807] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2287.711473][T19807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2287.711824][T19807] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2287.712156][T19807] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2287.712502][T19807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2287.712838][T19807] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2287.713172][T19807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2287.713521][T19807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2287.713864][T19807] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2287.714208][T19807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2287.714558][T19807] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2287.714904][T19807] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2287.715248][T19807] ? 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) 
[2287.715593][T19807] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2287.715937][T19807] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2287.716270][T19807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2287.716619][T19807] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2287.716955][T19807] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2287.717288][T19807] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2287.717644][T19807] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2287.717982][T19807] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2287.718314][T19807] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2287.718745][T19807] ___sys_sendmsg (net/socket.c:2670) 
[2287.719078][T19807] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2287.719428][T19807] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2287.719774][T19807] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2287.720107][T19807] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2287.720445][T19807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2287.720797][T19807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2287.721134][T19807] __sys_sendmsg (net/socket.c:2700) 
[2287.721479][T19807] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2287.721827][T19807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2287.722164][T19807] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2287.722517][T19807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2287.722930][T19807] RIP: 0033:0x7f2592c4a1e7
[ 2287.723271][T19807] 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)
[ 2287.724441][T19807] RSP: 002b:00007ffda8af3978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2287.724952][T19807] RAX: ffffffffffffffda RBX: 00007ffda8af40b0 RCX: 00007f2592c4a1e7
[ 2287.725441][T19807] RDX: 0000000000000000 RSI: 00007ffda8af39e0 RDI: 0000000000000005
[ 2287.725940][T19807] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2287.726435][T19807] R10: 00007f2592cd8ac0 R11: 0000000000000246 R12: 00007ffda8af40e8
[ 2287.726941][T19807] R13: 00000000686e3c85 R14: 0000000000499600 R15: 00007ffda8af3ad0
| [ 2291.949867][T19837] ------------[ cut here ]------------
| [2291.950208][T19837] WARNING: CPU: 1 PID: 19837 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) 
| [ 2291.951978][T19837] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2291.953299][T19837] Tainted: [W]=WARN
[ 2291.953551][T19837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2291.953949][T19837] 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) 
[ 2291.954300][T19837] 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
[ 2291.955461][T19837] RSP: 0018:ffffc9000615f080 EFLAGS: 00010246
[ 2291.955867][T19837] RAX: 0000000000000000 RBX: ffff888015f5a000 RCX: 0000000000000001
[ 2291.956362][T19837] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2291.956872][T19837] RBP: ffffc9000615f168 R08: 0000000000000000 R09: 0000000000000000
[ 2291.957361][T19837] R10: ffffc9000615f198 R11: ffffffffa118d1e0 R12: 1ffff92000c2be14
[ 2291.957848][T19837] R13: 00000000000005dc R14: ffffc9000615f198 R15: ffff888015f5af48
[ 2291.958330][T19837] FS:  00007f06fe684800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2291.958906][T19837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2291.959309][T19837] CR2: 00007f06fe86fba0 CR3: 0000000014b33006 CR4: 0000000000772ef0
[ 2291.959798][T19837] PKRU: 55555554
[ 2291.960040][T19837] Call Trace:
[ 2291.960278][T19837]  <TASK>
[2291.960458][T19837] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2291.960781][T19837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2291.961126][T19837] netif_set_mtu (net/core/dev.c:9652) 
[2291.961437][T19837] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2291.961780][T19837] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2291.962022][T19837] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2291.962342][T19837] br_add_if (net/bridge/br_if.c:697) 
[2291.962606][T19837] do_set_master (net/core/rtnetlink.c:2948) 
[2291.962922][T19837] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2291.963240][T19837] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2291.963574][T19837] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2291.963889][T19837] ? __dev_get_by_name (net/core/dev.c:865) 
[2291.964211][T19837] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2291.964536][T19837] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2291.964858][T19837] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2291.965169][T19837] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2291.965500][T19837] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2291.965835][T19837] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2291.966157][T19837] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2291.966503][T19837] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2291.966817][T19837] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2291.967131][T19837] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2291.967444][T19837] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2291.967783][T19837] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2291.968101][T19837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2291.968425][T19837] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2291.968759][T19837] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2291.969076][T19837] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2291.969403][T19837] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2291.969732][T19837] ? 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) 
[2291.970047][T19837] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2291.970368][T19837] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2291.970702][T19837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2291.971025][T19837] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2291.971344][T19837] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2291.971672][T19837] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2291.971995][T19837] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2291.972311][T19837] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2291.972632][T19837] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2291.973043][T19837] ___sys_sendmsg (net/socket.c:2670) 
[2291.973358][T19837] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2291.973689][T19837] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2291.974006][T19837] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2291.974330][T19837] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2291.974659][T19837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2291.974980][T19837] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2291.975304][T19837] __sys_sendmsg (net/socket.c:2700) 
[2291.975630][T19837] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2291.975958][T19837] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2291.976273][T19837] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2291.976607][T19837] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2291.976999][T19837] RIP: 0033:0x7f06fe8511e7
[ 2291.977321][T19837] 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)
[ 2291.978470][T19837] RSP: 002b:00007ffc18228068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2291.978948][T19837] RAX: ffffffffffffffda RBX: 00007ffc182287a0 RCX: 00007f06fe8511e7
[ 2291.979417][T19837] RDX: 0000000000000000 RSI: 00007ffc182280d0 RDI: 0000000000000005
[ 2291.979908][T19837] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2291.980380][T19837] R10: 00007f06fe8dfac0 R11: 0000000000000246 R12: 00007ffc182287d8
[ 2291.980863][T19837] R13: 00000000686e3c89 R14: 0000000000499600 R15: 00007ffc182281c0
| [ 2307.223287][T19938] ------------[ cut here ]------------
| [2307.223616][T19938] WARNING: CPU: 3 PID: 19938 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) 
| [ 2307.224262][T19938] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2307.225639][T19938] Tainted: [W]=WARN
[ 2307.225892][T19938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2307.226301][T19938] 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) 
[ 2307.226796][T19938] 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
[ 2307.228142][T19938] RSP: 0018:ffffc9000546f080 EFLAGS: 00010246
[ 2307.228545][T19938] RAX: 0000000000000000 RBX: ffff88801452a000 RCX: 0000000000000001
[ 2307.229029][T19938] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2307.229533][T19938] RBP: ffffc9000546f168 R08: 0000000000000000 R09: 0000000000000000
[ 2307.230026][T19938] R10: ffffc9000546f198 R11: ffffffffa118d1e0 R12: 1ffff92000a8de14
[ 2307.230518][T19938] R13: 00000000000005dc R14: ffffc9000546f198 R15: ffff88801452af48
[ 2307.231005][T19938] FS:  00007f42fb70e800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2307.231577][T19938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2307.232016][T19938] CR2: 000000000043d940 CR3: 00000000226c8006 CR4: 0000000000772ef0
[ 2307.232526][T19938] PKRU: 55555554
[ 2307.232768][T19938] Call Trace:
[ 2307.233009][T19938]  <TASK>
[2307.233175][T19938] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2307.233517][T19938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2307.233853][T19938] netif_set_mtu (net/core/dev.c:9652) 
[2307.234175][T19938] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2307.234528][T19938] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2307.234772][T19938] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2307.235106][T19938] br_add_if (net/bridge/br_if.c:697) 
[2307.235359][T19938] do_set_master (net/core/rtnetlink.c:2948) 
[2307.235694][T19938] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2307.236025][T19938] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2307.236368][T19938] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2307.236695][T19938] ? __dev_get_by_name (net/core/dev.c:865) 
[2307.237021][T19938] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2307.237351][T19938] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2307.237700][T19938] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2307.238019][T19938] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2307.238345][T19938] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2307.238688][T19938] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2307.239014][T19938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2307.239347][T19938] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2307.239675][T19938] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2307.240007][T19938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2307.240335][T19938] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2307.240667][T19938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2307.240993][T19938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2307.241318][T19938] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2307.241665][T19938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2307.241988][T19938] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2307.242327][T19938] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2307.242655][T19938] ? 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) 
[2307.242978][T19938] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2307.243302][T19938] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2307.243633][T19938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2307.243962][T19938] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2307.244294][T19938] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2307.244630][T19938] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2307.244962][T19938] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2307.245284][T19938] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2307.245621][T19938] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2307.246035][T19938] ___sys_sendmsg (net/socket.c:2670) 
[2307.246357][T19938] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2307.246682][T19938] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2307.247010][T19938] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2307.247334][T19938] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2307.247664][T19938] ? __handle_mm_fault (mm/memory.c:6212) 
[2307.247987][T19938] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2307.248302][T19938] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2307.248650][T19938] __sys_sendmsg (net/socket.c:2700) 
[2307.248973][T19938] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2307.249309][T19938] ? 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) 
[2307.249663][T19938] ? 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) 
[2307.249986][T19938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2307.250312][T19938] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2307.250643][T19938] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2307.251040][T19938] RIP: 0033:0x7f42fb8db1e7
[ 2307.251371][T19938] 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)
[ 2307.252531][T19938] RSP: 002b:00007fff2cdd1588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2307.253018][T19938] RAX: ffffffffffffffda RBX: 00007fff2cdd1cc0 RCX: 00007f42fb8db1e7
[ 2307.253518][T19938] RDX: 0000000000000000 RSI: 00007fff2cdd15f0 RDI: 0000000000000005
[ 2307.254014][T19938] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2307.254510][T19938] R10: 00007f42fb969ac0 R11: 0000000000000246 R12: 00007fff2cdd1cf8
[ 2307.254991][T19938] R13: 00000000686e3c98 R14: 0000000000499600 R15: 00007fff2cdd16e0
| [ 2311.678232][T19968] ------------[ cut here ]------------
| [2311.678579][T19968] WARNING: CPU: 2 PID: 19968 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) 
| [ 2311.679205][T19968] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2311.680527][T19968] Tainted: [W]=WARN
[ 2311.680776][T19968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2311.681177][T19968] 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) 
[ 2311.681517][T19968] 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
[ 2311.682623][T19968] RSP: 0018:ffffc90005fef080 EFLAGS: 00010246
[ 2311.683024][T19968] RAX: 0000000000000000 RBX: ffff8880134ea000 RCX: 0000000000000001
[ 2311.683496][T19968] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2311.683972][T19968] RBP: ffffc90005fef168 R08: 0000000000000000 R09: 0000000000000000
[ 2311.684485][T19968] R10: ffffc90005fef198 R11: ffffffffa118d1e0 R12: 1ffff92000bfde14
[ 2311.684955][T19968] R13: 00000000000005dc R14: ffffc90005fef198 R15: ffff8880134eaf48
[ 2311.685419][T19968] FS:  00007f220bb42800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2311.685971][T19968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2311.686368][T19968] CR2: 000000000043d940 CR3: 00000000214df004 CR4: 0000000000772ef0
[ 2311.686875][T19968] PKRU: 55555554
[ 2311.687114][T19968] Call Trace:
[ 2311.687355][T19968]  <TASK>
[2311.687536][T19968] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2311.687855][T19968] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2311.688186][T19968] netif_set_mtu (net/core/dev.c:9652) 
[2311.688524][T19968] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2311.688854][T19968] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2311.689096][T19968] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2311.689430][T19968] br_add_if (net/bridge/br_if.c:697) 
[2311.689697][T19968] do_set_master (net/core/rtnetlink.c:2948) 
[2311.690015][T19968] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2311.690334][T19968] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2311.690663][T19968] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2311.690974][T19968] ? __dev_get_by_name (net/core/dev.c:865) 
[2311.691289][T19968] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2311.691621][T19968] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2311.691946][T19968] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2311.692257][T19968] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2311.692603][T19968] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2311.692931][T19968] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2311.693256][T19968] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2311.693597][T19968] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2311.693913][T19968] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2311.694243][T19968] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2311.694571][T19968] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2311.694887][T19968] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2311.695207][T19968] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2311.695543][T19968] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2311.695859][T19968] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2311.696175][T19968] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2311.696535][T19968] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2311.696856][T19968] ? 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) 
[2311.697173][T19968] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2311.697502][T19968] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2311.697818][T19968] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2311.698138][T19968] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2311.698464][T19968] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2311.698787][T19968] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2311.699112][T19968] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2311.699431][T19968] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2311.699758][T19968] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2311.700159][T19968] ___sys_sendmsg (net/socket.c:2670) 
[2311.700497][T19968] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2311.700822][T19968] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2311.701152][T19968] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2311.701481][T19968] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2311.701802][T19968] ? __handle_mm_fault (mm/memory.c:6212) 
[2311.702118][T19968] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2311.702431][T19968] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2311.702781][T19968] __sys_sendmsg (net/socket.c:2700) 
[2311.703097][T19968] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2311.703421][T19968] ? 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) 
[2311.703757][T19968] ? 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) 
[2311.704076][T19968] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2311.704408][T19968] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2311.704776][T19968] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2311.705166][T19968] RIP: 0033:0x7f220bd0f1e7
[ 2311.705511][T19968] 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)
[ 2311.706626][T19968] RSP: 002b:00007fff35221358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2311.707100][T19968] RAX: ffffffffffffffda RBX: 00007fff35221a90 RCX: 00007f220bd0f1e7
[ 2311.707575][T19968] RDX: 0000000000000000 RSI: 00007fff352213c0 RDI: 0000000000000005
[ 2311.708051][T19968] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2311.708544][T19968] R10: 00007f220bd9dac0 R11: 0000000000000246 R12: 00007fff35221ac8
[ 2311.709013][T19968] R13: 00000000686e3c9d R14: 0000000000499600 R15: 00007fff352214b0
| [ 2318.981020][T20034] ------------[ cut here ]------------
| [2318.981430][T20034] WARNING: CPU: 3 PID: 20034 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) 
| [ 2318.982491][T20034] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2318.984675][T20034] Tainted: [W]=WARN
[ 2318.985075][T20034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2318.985772][T20034] 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) 
[ 2318.986333][T20034] 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
[ 2318.988253][T20034] RSP: 0018:ffffc90006cbf080 EFLAGS: 00010246
[ 2318.988935][T20034] RAX: 0000000000000000 RBX: ffff888015a0a000 RCX: 0000000000000001
[ 2318.989752][T20034] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2318.990567][T20034] RBP: ffffc90006cbf168 R08: 0000000000000000 R09: 0000000000000000
[ 2318.991358][T20034] R10: ffffc90006cbf198 R11: ffffffffa118d1e0 R12: 1ffff92000d97e14
[ 2318.992159][T20034] R13: 00000000000005dc R14: ffffc90006cbf198 R15: ffff888015a0af48
[ 2318.992957][T20034] FS:  00007fd0f2dd2800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2318.993916][T20034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2318.994600][T20034] CR2: 00007fd0f2fbdba0 CR3: 0000000011527003 CR4: 0000000000772ef0
[ 2318.995393][T20034] PKRU: 55555554
[ 2318.995802][T20034] Call Trace:
[ 2318.996197][T20034]  <TASK>
[2318.996486][T20034] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2318.997018][T20034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2318.997607][T20034] netif_set_mtu (net/core/dev.c:9652) 
[2318.998134][T20034] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2318.998707][T20034] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2318.999107][T20034] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2318.999656][T20034] br_add_if (net/bridge/br_if.c:697) 
[2319.000076][T20034] do_set_master (net/core/rtnetlink.c:2948) 
[2319.000675][T20034] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2319.001207][T20034] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2319.001789][T20034] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2319.002318][T20034] ? __dev_get_by_name (net/core/dev.c:865) 
[2319.002868][T20034] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2319.003400][T20034] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2319.003955][T20034] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2319.004502][T20034] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2319.005043][T20034] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2319.005639][T20034] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2319.006192][T20034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2319.006763][T20034] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2319.007285][T20034] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2319.007831][T20034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2319.008355][T20034] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2319.008902][T20034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2319.009440][T20034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2319.010027][T20034] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2319.010571][T20034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2319.011106][T20034] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2319.011670][T20034] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2319.012193][T20034] ? 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) 
[2319.012742][T20034] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2319.013276][T20034] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2319.013847][T20034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2319.014397][T20034] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2319.014952][T20034] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2319.015496][T20034] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2319.016041][T20034] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2319.016591][T20034] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2319.017115][T20034] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2319.017842][T20034] ___sys_sendmsg (net/socket.c:2670) 
[2319.018302][T20034] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2319.018822][T20034] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2319.019385][T20034] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2319.019925][T20034] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2319.020476][T20034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2319.021022][T20034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2319.021601][T20034] __sys_sendmsg (net/socket.c:2700) 
[2319.022128][T20034] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2319.022698][T20034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2319.023235][T20034] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2319.023785][T20034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2319.024472][T20034] RIP: 0033:0x7fd0f2f9f1e7
[ 2319.025020][T20034] 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)
[ 2319.026947][T20034] RSP: 002b:00007ffca4088c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2319.027757][T20034] RAX: ffffffffffffffda RBX: 00007ffca40893b0 RCX: 00007fd0f2f9f1e7
[ 2319.028559][T20034] RDX: 0000000000000000 RSI: 00007ffca4088ce0 RDI: 0000000000000005
[ 2319.029358][T20034] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2319.030157][T20034] R10: 00007fd0f302dac0 R11: 0000000000000246 R12: 00007ffca40893e8
[ 2319.030975][T20034] R13: 00000000686e3ca4 R14: 0000000000499600 R15: 00007ffca4088dd0
| [ 2323.272757][T20064] ------------[ cut here ]------------
| [2323.273100][T20064] WARNING: CPU: 3 PID: 20064 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) 
| [ 2323.274431][T20064] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2323.275804][T20064] Tainted: [W]=WARN
[ 2323.276048][T20064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2323.276461][T20064] 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) 
[ 2323.276793][T20064] 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
[ 2323.277963][T20064] RSP: 0018:ffffc90004d2f080 EFLAGS: 00010246
[ 2323.278383][T20064] RAX: 0000000000000000 RBX: ffff88801dbaa000 RCX: 0000000000000001
[ 2323.278880][T20064] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2323.279374][T20064] RBP: ffffc90004d2f168 R08: 0000000000000000 R09: 0000000000000000
[ 2323.279878][T20064] R10: ffffc90004d2f198 R11: ffffffffa118d1e0 R12: 1ffff920009a5e14
[ 2323.280364][T20064] R13: 00000000000005dc R14: ffffc90004d2f198 R15: ffff88801dbaaf48
[ 2323.280854][T20064] FS:  00007f0feb82e800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2323.281430][T20064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2323.281853][T20064] CR2: 00007f0feba19ba0 CR3: 000000000260e005 CR4: 0000000000772ef0
[ 2323.282341][T20064] PKRU: 55555554
[ 2323.282591][T20064] Call Trace:
[ 2323.282840][T20064]  <TASK>
[2323.283008][T20064] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2323.283330][T20064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2323.283678][T20064] netif_set_mtu (net/core/dev.c:9652) 
[2323.284011][T20064] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2323.284362][T20064] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2323.284618][T20064] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2323.284946][T20064] br_add_if (net/bridge/br_if.c:697) 
[2323.285203][T20064] do_set_master (net/core/rtnetlink.c:2948) 
[2323.285535][T20064] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2323.285859][T20064] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2323.286191][T20064] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2323.286527][T20064] ? __dev_get_by_name (net/core/dev.c:865) 
[2323.286853][T20064] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2323.287174][T20064] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2323.287509][T20064] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2323.287830][T20064] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2323.288158][T20064] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2323.288501][T20064] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2323.288835][T20064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2323.289170][T20064] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2323.289493][T20064] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2323.289817][T20064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2323.290135][T20064] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2323.290464][T20064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2323.290787][T20064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2323.291107][T20064] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2323.291434][T20064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2323.291762][T20064] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2323.292088][T20064] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2323.292404][T20064] ? 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) 
[2323.292732][T20064] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2323.293051][T20064] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2323.293364][T20064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2323.293701][T20064] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2323.294020][T20064] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2323.294347][T20064] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2323.294684][T20064] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2323.295003][T20064] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2323.295316][T20064] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2323.295729][T20064] ___sys_sendmsg (net/socket.c:2670) 
[2323.296058][T20064] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2323.296379][T20064] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2323.296709][T20064] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2323.297026][T20064] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2323.297344][T20064] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2323.297679][T20064] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2323.298007][T20064] __sys_sendmsg (net/socket.c:2700) 
[2323.298334][T20064] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2323.298672][T20064] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2323.298991][T20064] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2323.299320][T20064] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2323.299719][T20064] RIP: 0033:0x7f0feb9fb1e7
[ 2323.300044][T20064] 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)
[ 2323.301191][T20064] RSP: 002b:00007ffdfef9bdf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2323.301710][T20064] RAX: ffffffffffffffda RBX: 00007ffdfef9c530 RCX: 00007f0feb9fb1e7
[ 2323.302184][T20064] RDX: 0000000000000000 RSI: 00007ffdfef9be60 RDI: 0000000000000005
[ 2323.302669][T20064] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2323.303150][T20064] R10: 00007f0feba89ac0 R11: 0000000000000246 R12: 00007ffdfef9c568
[ 2323.303626][T20064] R13: 00000000686e3ca8 R14: 0000000000499600 R15: 00007ffdfef9bf50
| [ 2338.911183][T20166] ------------[ cut here ]------------
| [2338.911547][T20166] WARNING: CPU: 2 PID: 20166 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) 
| [ 2338.912180][T20166] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2338.913516][T20166] Tainted: [W]=WARN
[ 2338.913761][T20166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2338.914166][T20166] 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) 
[ 2338.914531][T20166] 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
[ 2338.915682][T20166] RSP: 0018:ffffc90002b2f080 EFLAGS: 00010246
[ 2338.916090][T20166] RAX: 0000000000000000 RBX: ffff888022ada000 RCX: 0000000000000001
[ 2338.916585][T20166] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2338.917056][T20166] RBP: ffffc90002b2f168 R08: 0000000000000000 R09: 0000000000000000
[ 2338.917536][T20166] R10: ffffc90002b2f198 R11: ffffffffa118d1e0 R12: 1ffff92000565e14
[ 2338.918014][T20166] R13: 00000000000005dc R14: ffffc90002b2f198 R15: ffff888022adaf48
[ 2338.918496][T20166] FS:  00007f41b5526800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2338.919074][T20166] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2338.919484][T20166] CR2: 000000000043d940 CR3: 00000000226c8005 CR4: 0000000000772ef0
[ 2338.919964][T20166] PKRU: 55555554
[ 2338.920210][T20166] Call Trace:
[ 2338.920477][T20166]  <TASK>
[2338.920654][T20166] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2338.920974][T20166] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2338.921308][T20166] netif_set_mtu (net/core/dev.c:9652) 
[2338.921643][T20166] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2338.921977][T20166] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2338.922231][T20166] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2338.922570][T20166] br_add_if (net/bridge/br_if.c:697) 
[2338.922829][T20166] do_set_master (net/core/rtnetlink.c:2948) 
[2338.923147][T20166] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2338.923482][T20166] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2338.923804][T20166] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2338.924119][T20166] ? __dev_get_by_name (net/core/dev.c:865) 
[2338.924480][T20166] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2338.924798][T20166] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2338.925120][T20166] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2338.925434][T20166] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2338.925772][T20166] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2338.926101][T20166] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2338.926422][T20166] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2338.926766][T20166] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2338.927088][T20166] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2338.927409][T20166] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2338.927737][T20166] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2338.928060][T20166] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2338.928381][T20166] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2338.928744][T20166] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2338.929064][T20166] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2338.929385][T20166] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2338.929741][T20166] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2338.930061][T20166] ? 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) 
[2338.930381][T20166] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2338.930723][T20166] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2338.931039][T20166] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2338.931364][T20166] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2338.931709][T20166] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2338.932036][T20166] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2338.932364][T20166] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2338.932699][T20166] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2338.933014][T20166] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2338.933418][T20166] ___sys_sendmsg (net/socket.c:2670) 
[2338.933754][T20166] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2338.934070][T20166] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2338.934536][T20166] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2338.934861][T20166] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2338.935187][T20166] ? __handle_mm_fault (mm/memory.c:6212) 
[2338.935565][T20166] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2338.935889][T20166] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2338.936230][T20166] __sys_sendmsg (net/socket.c:2700) 
[2338.936606][T20166] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2338.936928][T20166] ? 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) 
[2338.937257][T20166] ? 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) 
[2338.937593][T20166] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2338.937920][T20166] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2338.938242][T20166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2338.938653][T20166] RIP: 0033:0x7f41b56f31e7
[ 2338.938997][T20166] 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)
[ 2338.940160][T20166] RSP: 002b:00007fff56d7a178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2338.940661][T20166] RAX: ffffffffffffffda RBX: 00007fff56d7a8b0 RCX: 00007f41b56f31e7
[ 2338.941140][T20166] RDX: 0000000000000000 RSI: 00007fff56d7a1e0 RDI: 0000000000000005
[ 2338.941625][T20166] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2338.942098][T20166] R10: 00007f41b5781ac0 R11: 0000000000000246 R12: 00007fff56d7a8e8
[ 2338.942584][T20166] R13: 00000000686e3cb8 R14: 0000000000499600 R15: 00007fff56d7a2d0
| [ 2343.433475][T20196] ------------[ cut here ]------------
| [2343.433818][T20196] WARNING: CPU: 2 PID: 20196 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) 
| [ 2343.434460][T20196] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2343.435743][T20196] Tainted: [W]=WARN
[ 2343.435994][T20196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2343.436401][T20196] 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) 
[ 2343.436745][T20196] 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
[ 2343.437881][T20196] RSP: 0018:ffffc9000493f080 EFLAGS: 00010246
[ 2343.438289][T20196] RAX: 0000000000000000 RBX: ffff888015a0a000 RCX: 0000000000000001
[ 2343.439226][T20196] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2343.439714][T20196] RBP: ffffc9000493f168 R08: 0000000000000000 R09: 0000000000000000
[ 2343.440190][T20196] R10: ffffc9000493f198 R11: ffffffffa118d1e0 R12: 1ffff92000927e14
[ 2343.440661][T20196] R13: 00000000000005dc R14: ffffc9000493f198 R15: ffff888015a0af48
[ 2343.441123][T20196] FS:  00007fcb947c1800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2343.441687][T20196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2343.442087][T20196] CR2: 00007fcb948c1130 CR3: 000000001506d005 CR4: 0000000000772ef0
[ 2343.442571][T20196] PKRU: 55555554
[ 2343.442810][T20196] Call Trace:
[ 2343.443050][T20196]  <TASK>
[2343.443221][T20196] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2343.443551][T20196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2343.443880][T20196] netif_set_mtu (net/core/dev.c:9652) 
[2343.444196][T20196] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2343.444548][T20196] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2343.444799][T20196] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2343.445118][T20196] br_add_if (net/bridge/br_if.c:697) 
[2343.445372][T20196] do_set_master (net/core/rtnetlink.c:2948) 
[2343.445714][T20196] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2343.446034][T20196] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2343.446352][T20196] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2343.446675][T20196] ? __dev_get_by_name (net/core/dev.c:865) 
[2343.447002][T20196] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2343.447316][T20196] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2343.447647][T20196] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2343.447960][T20196] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2343.448283][T20196] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2343.448636][T20196] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2343.448959][T20196] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2343.449295][T20196] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2343.449642][T20196] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2343.449966][T20196] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2343.450285][T20196] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2343.450613][T20196] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2343.450933][T20196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2343.451256][T20196] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2343.451588][T20196] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2343.451910][T20196] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2343.452239][T20196] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2343.452562][T20196] ? 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) 
[2343.452883][T20196] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2343.453200][T20196] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2343.453537][T20196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2343.453861][T20196] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2343.454189][T20196] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2343.454525][T20196] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2343.454850][T20196] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2343.455167][T20196] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2343.455488][T20196] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2343.455889][T20196] ___sys_sendmsg (net/socket.c:2670) 
[2343.456208][T20196] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2343.456540][T20196] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2343.456860][T20196] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2343.457171][T20196] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2343.457511][T20196] ? __handle_mm_fault (mm/memory.c:6212) 
[2343.457835][T20196] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2343.458149][T20196] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2343.458494][T20196] __sys_sendmsg (net/socket.c:2700) 
[2343.458819][T20196] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2343.459133][T20196] ? 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) 
[2343.459465][T20196] ? 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) 
[2343.459784][T20196] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2343.460103][T20196] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2343.460421][T20196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2343.460817][T20196] RIP: 0033:0x7fcb9498e1e7
[ 2343.461150][T20196] 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)
[ 2343.462264][T20196] RSP: 002b:00007fff3eeb4668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2343.462744][T20196] RAX: ffffffffffffffda RBX: 00007fff3eeb4da0 RCX: 00007fcb9498e1e7
[ 2343.463215][T20196] RDX: 0000000000000000 RSI: 00007fff3eeb46d0 RDI: 0000000000000005
[ 2343.463688][T20196] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2343.464153][T20196] R10: 00007fcb94a1cac0 R11: 0000000000000246 R12: 00007fff3eeb4dd8
[ 2343.464635][T20196] R13: 00000000686e3cbc R14: 0000000000499600 R15: 00007fff3eeb47c0
| [ 2351.013559][T20261] ------------[ cut here ]------------
| [2351.013901][T20261] WARNING: CPU: 1 PID: 20261 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) 
| [ 2351.014554][T20261] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2351.015876][T20261] Tainted: [W]=WARN
[ 2351.016125][T20261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2351.016532][T20261] 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) 
[ 2351.016862][T20261] 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
[ 2351.018007][T20261] RSP: 0018:ffffc90002aaf080 EFLAGS: 00010246
[ 2351.018410][T20261] RAX: 0000000000000000 RBX: ffff888005662000 RCX: 0000000000000001
[ 2351.018898][T20261] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2351.019372][T20261] RBP: ffffc90002aaf168 R08: 0000000000000000 R09: 0000000000000000
[ 2351.019867][T20261] R10: ffffc90002aaf198 R11: ffffffffa118d1e0 R12: 1ffff92000555e14
[ 2351.020354][T20261] R13: 00000000000005dc R14: ffffc90002aaf198 R15: ffff888005662f48
[ 2351.020843][T20261] FS:  00007fe5e7bc3800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2351.021402][T20261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2351.021815][T20261] CR2: 00007fe5e7daeba0 CR3: 0000000011eca002 CR4: 0000000000772ef0
[ 2351.022302][T20261] PKRU: 55555554
[ 2351.022550][T20261] Call Trace:
[ 2351.022787][T20261]  <TASK>
[2351.022953][T20261] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2351.023274][T20261] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2351.023628][T20261] netif_set_mtu (net/core/dev.c:9652) 
[2351.023949][T20261] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2351.024291][T20261] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2351.024546][T20261] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2351.024876][T20261] br_add_if (net/bridge/br_if.c:697) 
[2351.025128][T20261] do_set_master (net/core/rtnetlink.c:2948) 
[2351.025445][T20261] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2351.025777][T20261] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2351.026098][T20261] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2351.026414][T20261] ? __dev_get_by_name (net/core/dev.c:865) 
[2351.026744][T20261] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2351.027068][T20261] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2351.027391][T20261] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2351.027738][T20261] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2351.028065][T20261] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2351.028393][T20261] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2351.028732][T20261] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2351.029062][T20261] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2351.029376][T20261] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2351.029711][T20261] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2351.030030][T20261] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2351.030348][T20261] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2351.030682][T20261] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2351.031006][T20261] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2351.031323][T20261] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2351.031663][T20261] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2351.032000][T20261] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2351.032317][T20261] ? 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) 
[2351.032648][T20261] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2351.032969][T20261] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2351.033282][T20261] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2351.033606][T20261] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2351.033927][T20261] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2351.034261][T20261] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2351.034611][T20261] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2351.034935][T20261] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2351.035249][T20261] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2351.035686][T20261] ___sys_sendmsg (net/socket.c:2670) 
[2351.036007][T20261] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2351.036330][T20261] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2351.036667][T20261] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2351.036983][T20261] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2351.037305][T20261] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2351.037638][T20261] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2351.037960][T20261] __sys_sendmsg (net/socket.c:2700) 
[2351.038280][T20261] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2351.038618][T20261] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2351.038939][T20261] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2351.039265][T20261] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2351.039679][T20261] RIP: 0033:0x7fe5e7d901e7
[ 2351.040007][T20261] 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)
[ 2351.041170][T20261] RSP: 002b:00007fff382c3ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2351.041668][T20261] RAX: ffffffffffffffda RBX: 00007fff382c4210 RCX: 00007fe5e7d901e7
[ 2351.042141][T20261] RDX: 0000000000000000 RSI: 00007fff382c3b40 RDI: 0000000000000005
[ 2351.042622][T20261] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2351.043099][T20261] R10: 00007fe5e7e1eac0 R11: 0000000000000246 R12: 00007fff382c4248
[ 2351.043602][T20261] R13: 00000000686e3cc4 R14: 0000000000499600 R15: 00007fff382c3c30
| [ 2355.452930][T20291] ------------[ cut here ]------------
| [2355.453255][T20291] WARNING: CPU: 1 PID: 20291 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) 
| [ 2355.453899][T20291] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2355.456006][T20291] Tainted: [W]=WARN
[ 2355.456248][T20291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2355.456642][T20291] 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) 
[ 2355.456991][T20291] 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
[ 2355.458145][T20291] RSP: 0018:ffffc9000685f080 EFLAGS: 00010246
[ 2355.458555][T20291] RAX: 0000000000000000 RBX: ffff88801ca1a000 RCX: 0000000000000001
[ 2355.459050][T20291] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2355.459521][T20291] RBP: ffffc9000685f168 R08: 0000000000000000 R09: 0000000000000000
[ 2355.460001][T20291] R10: ffffc9000685f198 R11: ffffffffa118d1e0 R12: 1ffff92000d0be14
[ 2355.460463][T20291] R13: 00000000000005dc R14: ffffc9000685f198 R15: ffff88801ca1af48
[ 2355.460956][T20291] FS:  00007fb1ef7e2800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2355.461518][T20291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2355.461928][T20291] CR2: 00007fb1ef9cdba0 CR3: 000000001327d004 CR4: 0000000000772ef0
[ 2355.462401][T20291] PKRU: 55555554
[ 2355.462641][T20291] Call Trace:
[ 2355.462880][T20291]  <TASK>
[2355.463044][T20291] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2355.463365][T20291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2355.463698][T20291] netif_set_mtu (net/core/dev.c:9652) 
[2355.464025][T20291] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2355.464355][T20291] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2355.464599][T20291] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2355.464919][T20291] br_add_if (net/bridge/br_if.c:697) 
[2355.465173][T20291] do_set_master (net/core/rtnetlink.c:2948) 
[2355.465486][T20291] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2355.465804][T20291] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2355.466134][T20291] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2355.466439][T20291] ? __dev_get_by_name (net/core/dev.c:865) 
[2355.466755][T20291] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2355.467093][T20291] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2355.467405][T20291] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2355.467718][T20291] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2355.468051][T20291] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2355.468375][T20291] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2355.468693][T20291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2355.469008][T20291] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2355.469325][T20291] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2355.469645][T20291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2355.469958][T20291] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2355.470289][T20291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2355.470624][T20291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2355.470938][T20291] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2355.471270][T20291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2355.471585][T20291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2355.471910][T20291] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2355.472232][T20291] ? 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) 
[2355.472556][T20291] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2355.472880][T20291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2355.473214][T20291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2355.473545][T20291] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2355.473858][T20291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2355.474170][T20291] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2355.474522][T20291] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2355.474834][T20291] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2355.475149][T20291] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2355.475560][T20291] ___sys_sendmsg (net/socket.c:2670) 
[2355.475871][T20291] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2355.476185][T20291] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2355.476524][T20291] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2355.476827][T20291] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2355.477138][T20291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2355.477483][T20291] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2355.477798][T20291] __sys_sendmsg (net/socket.c:2700) 
[2355.478109][T20291] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2355.478438][T20291] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2355.478765][T20291] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2355.479074][T20291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2355.479495][T20291] RIP: 0033:0x7fb1ef9af1e7
[ 2355.479811][T20291] 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)
[ 2355.480941][T20291] RSP: 002b:00007fffa121d348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2355.481429][T20291] RAX: ffffffffffffffda RBX: 00007fffa121da80 RCX: 00007fb1ef9af1e7
[ 2355.481899][T20291] RDX: 0000000000000000 RSI: 00007fffa121d3b0 RDI: 0000000000000005
[ 2355.482353][T20291] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2355.482835][T20291] R10: 00007fb1efa3dac0 R11: 0000000000000246 R12: 00007fffa121dab8
[ 2355.483292][T20291] R13: 00000000686e3cc8 R14: 0000000000499600 R15: 00007fffa121d4a0
| [ 2370.931876][T20393] ------------[ cut here ]------------
| [2370.932523][T20393] WARNING: CPU: 2 PID: 20393 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) 
| [ 2370.933641][T20393] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2370.935913][T20393] Tainted: [W]=WARN
[ 2370.936329][T20393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2370.937020][T20393] 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) 
[ 2370.937608][T20393] 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
[ 2370.939487][T20393] RSP: 0018:ffffc90002f3f080 EFLAGS: 00010246
[ 2370.940177][T20393] RAX: 0000000000000000 RBX: ffff88800517a000 RCX: 0000000000000001
[ 2370.941026][T20393] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2370.941844][T20393] RBP: ffffc90002f3f168 R08: 0000000000000000 R09: 0000000000000000
[ 2370.942694][T20393] R10: ffffc90002f3f198 R11: ffffffffa118d1e0 R12: 1ffff920005e7e14
[ 2370.943541][T20393] R13: 00000000000005dc R14: ffffc90002f3f198 R15: ffff88800517af48
[ 2370.944366][T20393] FS:  00007f8c62a84800(0000) GS:ffff8880ca299000(0000) knlGS:0000000000000000
[ 2370.945356][T20393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2370.946086][T20393] CR2: 00007fa31d7a3000 CR3: 0000000013250002 CR4: 0000000000772ef0
[ 2370.946953][T20393] PKRU: 55555554
[ 2370.947410][T20393] Call Trace:
[ 2370.947866][T20393]  <TASK>
[2370.948179][T20393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2370.948778][T20393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2370.949391][T20393] netif_set_mtu (net/core/dev.c:9652) 
[2370.949987][T20393] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2370.950619][T20393] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2370.951064][T20393] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2370.951671][T20393] br_add_if (net/bridge/br_if.c:697) 
[2370.952133][T20393] do_set_master (net/core/rtnetlink.c:2948) 
[2370.952727][T20393] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2370.953320][T20393] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2370.953939][T20393] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2370.954546][T20393] ? __dev_get_by_name (net/core/dev.c:865) 
[2370.955133][T20393] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2370.955733][T20393] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2370.956345][T20393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2370.956935][T20393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2370.957543][T20393] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2370.958145][T20393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2370.958741][T20393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2370.959318][T20393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2370.959911][T20393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2370.960498][T20393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2370.961076][T20393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2370.961667][T20393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2370.962253][T20393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2370.962861][T20393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2370.963434][T20393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2370.964028][T20393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2370.964650][T20393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2370.965241][T20393] ? 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) 
[2370.965838][T20393] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2370.966426][T20393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2370.966997][T20393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2370.967596][T20393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2370.968190][T20393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2370.968789][T20393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2370.969390][T20393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2370.969985][T20393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2370.970564][T20393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2370.971300][T20393] ___sys_sendmsg (net/socket.c:2670) 
[2370.971895][T20393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2370.972466][T20393] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2370.973058][T20393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2370.973656][T20393] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2370.974244][T20393] ? __handle_mm_fault (mm/memory.c:6212) 
[2370.974814][T20393] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2370.975152][T20393] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2370.975533][T20393] __sys_sendmsg (net/socket.c:2700) 
[2370.975871][T20393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2370.976214][T20393] ? 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) 
[2370.976582][T20393] ? 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) 
[2370.976916][T20393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2370.977250][T20393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2370.977609][T20393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2370.978019][T20393] RIP: 0033:0x7f8c62c511e7
[ 2370.978363][T20393] 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)
[ 2370.979544][T20393] RSP: 002b:00007fff925203d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2370.980036][T20393] RAX: ffffffffffffffda RBX: 00007fff92520b10 RCX: 00007f8c62c511e7
[ 2370.980559][T20393] RDX: 0000000000000000 RSI: 00007fff92520440 RDI: 0000000000000005
[ 2370.981059][T20393] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2370.981607][T20393] R10: 00007f8c62cdfac0 R11: 0000000000000246 R12: 00007fff92520b48
[ 2370.982096][T20393] R13: 00000000686e3cd8 R14: 0000000000499600 R15: 00007fff92520530
| [ 2375.779663][T20423] ------------[ cut here ]------------
| [2375.779974][T20423] WARNING: CPU: 1 PID: 20423 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) 
| [ 2375.780589][T20423] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2375.781841][T20423] Tainted: [W]=WARN
[ 2375.782070][T20423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2375.783255][T20423] 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) 
[ 2375.783578][T20423] 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
[ 2375.784694][T20423] RSP: 0018:ffffc9000412f080 EFLAGS: 00010246
[ 2375.785078][T20423] RAX: 0000000000000000 RBX: ffff888005662000 RCX: 0000000000000001
[ 2375.785547][T20423] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2375.786011][T20423] RBP: ffffc9000412f168 R08: 0000000000000000 R09: 0000000000000000
[ 2375.786481][T20423] R10: ffffc9000412f198 R11: ffffffffa118d1e0 R12: 1ffff92000825e14
[ 2375.786943][T20423] R13: 00000000000005dc R14: ffffc9000412f198 R15: ffff888005662f48
[ 2375.787394][T20423] FS:  00007f96b80b3800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2375.787944][T20423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2375.788349][T20423] CR2: 000000000043d940 CR3: 0000000022804003 CR4: 0000000000772ef0
[ 2375.788835][T20423] PKRU: 55555554
[ 2375.789080][T20423] Call Trace:
[ 2375.789322][T20423]  <TASK>
[2375.789506][T20423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2375.789840][T20423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2375.790173][T20423] netif_set_mtu (net/core/dev.c:9652) 
[2375.790510][T20423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2375.790858][T20423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2375.791103][T20423] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2375.791428][T20423] br_add_if (net/bridge/br_if.c:697) 
[2375.791695][T20423] do_set_master (net/core/rtnetlink.c:2948) 
[2375.792016][T20423] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2375.792340][T20423] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2375.792669][T20423] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2375.792979][T20423] ? __dev_get_by_name (net/core/dev.c:865) 
[2375.793281][T20423] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2375.793616][T20423] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2375.793941][T20423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2375.794256][T20423] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2375.794603][T20423] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2375.794936][T20423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2375.795261][T20423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2375.795607][T20423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2375.795925][T20423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2375.796265][T20423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2375.796600][T20423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2375.796926][T20423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2375.797251][T20423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2375.797595][T20423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2375.797918][T20423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2375.798238][T20423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2375.798574][T20423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2375.798893][T20423] ? 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) 
[2375.799215][T20423] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2375.799546][T20423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2375.799864][T20423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2375.800195][T20423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2375.800533][T20423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2375.800855][T20423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2375.801179][T20423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2375.801524][T20423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2375.801840][T20423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2375.802251][T20423] ___sys_sendmsg (net/socket.c:2670) 
[2375.802592][T20423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2375.802913][T20423] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2375.803231][T20423] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2375.803556][T20423] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2375.803878][T20423] ? __handle_mm_fault (mm/memory.c:6212) 
[2375.804195][T20423] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2375.804529][T20423] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2375.804875][T20423] __sys_sendmsg (net/socket.c:2700) 
[2375.805194][T20423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2375.805525][T20423] ? 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) 
[2375.805850][T20423] ? 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) 
[2375.806171][T20423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2375.806500][T20423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2375.806825][T20423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2375.807227][T20423] RIP: 0033:0x7f96b82801e7
[ 2375.807564][T20423] 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)
[ 2375.808709][T20423] RSP: 002b:00007ffc1af0c3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2375.809210][T20423] RAX: ffffffffffffffda RBX: 00007ffc1af0cae0 RCX: 00007f96b82801e7
[ 2375.809714][T20423] RDX: 0000000000000000 RSI: 00007ffc1af0c410 RDI: 0000000000000005
[ 2375.810191][T20423] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2375.810685][T20423] R10: 00007f96b830eac0 R11: 0000000000000246 R12: 00007ffc1af0cb18
[ 2375.811160][T20423] R13: 00000000686e3cdd R14: 0000000000499600 R15: 00007ffc1af0c500
| [ 2383.482533][T20488] ------------[ cut here ]------------
| [2383.482850][T20488] WARNING: CPU: 1 PID: 20488 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) 
| [ 2383.484385][T20488] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2383.485651][T20488] Tainted: [W]=WARN
[ 2383.485887][T20488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2383.486326][T20488] 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) 
[ 2383.486681][T20488] 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
[ 2383.487849][T20488] RSP: 0018:ffffc9000298f080 EFLAGS: 00010246
[ 2383.488261][T20488] RAX: 0000000000000000 RBX: ffff888015c72000 RCX: 0000000000000001
[ 2383.488745][T20488] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2383.489224][T20488] RBP: ffffc9000298f168 R08: 0000000000000000 R09: 0000000000000000
[ 2383.489710][T20488] R10: ffffc9000298f198 R11: ffffffffa118d1e0 R12: 1ffff92000531e14
[ 2383.490202][T20488] R13: 00000000000005dc R14: ffffc9000298f198 R15: ffff888015c72f48
[ 2383.490693][T20488] FS:  00007f094eaa2800(0000) GS:ffff8880ca219000(0000) knlGS:0000000000000000
[ 2383.491260][T20488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2383.491840][T20488] CR2: 00007f094ec8dba0 CR3: 000000002191d003 CR4: 0000000000772ef0
[ 2383.492318][T20488] PKRU: 55555554
[ 2383.492696][T20488] Call Trace:
[ 2383.492925][T20488]  <TASK>
[2383.493084][T20488] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2383.493398][T20488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2383.493877][T20488] netif_set_mtu (net/core/dev.c:9652) 
[2383.494185][T20488] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2383.494668][T20488] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2383.494914][T20488] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2383.495233][T20488] br_add_if (net/bridge/br_if.c:697) 
[2383.495594][T20488] do_set_master (net/core/rtnetlink.c:2948) 
[2383.495911][T20488] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2383.496230][T20488] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2383.496564][T20488] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2383.496880][T20488] ? __dev_get_by_name (net/core/dev.c:865) 
[2383.497197][T20488] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2383.497533][T20488] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2383.497858][T20488] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2383.498182][T20488] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2383.498517][T20488] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2383.498847][T20488] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2383.499175][T20488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2383.499521][T20488] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2383.499855][T20488] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2383.500179][T20488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2383.500507][T20488] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2383.500830][T20488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2383.501153][T20488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2383.501488][T20488] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2383.501810][T20488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2383.502131][T20488] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2383.502480][T20488] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2383.502799][T20488] ? 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) 
[2383.503120][T20488] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2383.503443][T20488] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2383.503785][T20488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2383.504110][T20488] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2383.504442][T20488] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2383.504823][T20488] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2383.505151][T20488] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2383.505483][T20488] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2383.505802][T20488] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2383.506211][T20488] ___sys_sendmsg (net/socket.c:2670) 
[2383.506547][T20488] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2383.506871][T20488] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2383.507206][T20488] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2383.507537][T20488] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2383.507868][T20488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2383.508196][T20488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2383.508534][T20488] __sys_sendmsg (net/socket.c:2700) 
[2383.508855][T20488] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2383.509190][T20488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2383.509528][T20488] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2383.509852][T20488] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2383.510245][T20488] RIP: 0033:0x7f094ec6f1e7
[ 2383.510584][T20488] 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)
[ 2383.511737][T20488] RSP: 002b:00007fffea1e7af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2383.512235][T20488] RAX: ffffffffffffffda RBX: 00007fffea1e8230 RCX: 00007f094ec6f1e7
[ 2383.512725][T20488] RDX: 0000000000000000 RSI: 00007fffea1e7b60 RDI: 0000000000000005
[ 2383.513204][T20488] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2383.513699][T20488] R10: 00007f094ecfdac0 R11: 0000000000000246 R12: 00007fffea1e8268
[ 2383.514192][T20488] R13: 00000000686e3ce4 R14: 0000000000499600 R15: 00007fffea1e7c50
| [ 2387.692874][T20519] ------------[ cut here ]------------
| [2387.693199][T20519] WARNING: CPU: 3 PID: 20519 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) 
| [ 2387.693813][T20519] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2387.695099][T20519] Tainted: [W]=WARN
[ 2387.695332][T20519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2387.695735][T20519] 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) 
[ 2387.696049][T20519] 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
[ 2387.697140][T20519] RSP: 0018:ffffc9000230f080 EFLAGS: 00010246
[ 2387.697543][T20519] RAX: 0000000000000000 RBX: ffff888005bda000 RCX: 0000000000000001
[ 2387.698001][T20519] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2387.698466][T20519] RBP: ffffc9000230f168 R08: 0000000000000000 R09: 0000000000000000
[ 2387.698920][T20519] R10: ffffc9000230f198 R11: ffffffffa118d1e0 R12: 1ffff92000461e14
[ 2387.699376][T20519] R13: 00000000000005dc R14: ffffc9000230f198 R15: ffff888005bdaf48
[ 2387.699850][T20519] FS:  00007f16a44d4800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2387.700382][T20519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2387.700769][T20519] CR2: 00007f16a46bfba0 CR3: 000000001400e003 CR4: 0000000000772ef0
[ 2387.701225][T20519] PKRU: 55555554
[ 2387.701461][T20519] Call Trace:
[ 2387.701694][T20519]  <TASK>
[2387.701851][T20519] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2387.702156][T20519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2387.702487][T20519] netif_set_mtu (net/core/dev.c:9652) 
[2387.702791][T20519] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2387.703109][T20519] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2387.703340][T20519] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2387.703654][T20519] br_add_if (net/bridge/br_if.c:697) 
[2387.703904][T20519] do_set_master (net/core/rtnetlink.c:2948) 
[2387.704207][T20519] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2387.704554][T20519] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2387.704864][T20519] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2387.705167][T20519] ? __dev_get_by_name (net/core/dev.c:865) 
[2387.705478][T20519] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2387.705781][T20519] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2387.706097][T20519] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2387.706398][T20519] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2387.706712][T20519] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2387.707024][T20519] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2387.707333][T20519] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2387.707658][T20519] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2387.707958][T20519] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2387.708264][T20519] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2387.708586][T20519] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2387.708895][T20519] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2387.709202][T20519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2387.709519][T20519] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2387.709819][T20519] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2387.710124][T20519] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2387.710440][T20519] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2387.710760][T20519] ? 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) 
[2387.711067][T20519] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2387.711374][T20519] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2387.711685][T20519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2387.711992][T20519] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2387.712300][T20519] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2387.712653][T20519] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2387.712976][T20519] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2387.713286][T20519] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2387.713600][T20519] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2387.713990][T20519] ___sys_sendmsg (net/socket.c:2670) 
[2387.714303][T20519] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2387.714630][T20519] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2387.714938][T20519] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2387.715245][T20519] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2387.715560][T20519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2387.715874][T20519] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2387.716181][T20519] __sys_sendmsg (net/socket.c:2700) 
[2387.716495][T20519] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2387.716812][T20519] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2387.717125][T20519] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2387.717437][T20519] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2387.717837][T20519] RIP: 0033:0x7f16a46a11e7
[ 2387.718152][T20519] 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)
[ 2387.719241][T20519] RSP: 002b:00007ffe701c2198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2387.719715][T20519] RAX: ffffffffffffffda RBX: 00007ffe701c28d0 RCX: 00007f16a46a11e7
[ 2387.720170][T20519] RDX: 0000000000000000 RSI: 00007ffe701c2200 RDI: 0000000000000005
[ 2387.720629][T20519] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2387.721083][T20519] R10: 00007f16a472fac0 R11: 0000000000000246 R12: 00007ffe701c2908
[ 2387.721547][T20519] R13: 00000000686e3ce9 R14: 0000000000499600 R15: 00007ffe701c22f0
| [ 2403.341553][T20622] ------------[ cut here ]------------
| [2403.341869][T20622] WARNING: CPU: 3 PID: 20622 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) 
| [ 2403.342873][T20622] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2403.344126][T20622] Tainted: [W]=WARN
[ 2403.344368][T20622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2403.344762][T20622] 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) 
[ 2403.345085][T20622] 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
[ 2403.346191][T20622] RSP: 0018:ffffc90001ebf080 EFLAGS: 00010246
[ 2403.346593][T20622] RAX: 0000000000000000 RBX: ffff88802274a000 RCX: 0000000000000001
[ 2403.347060][T20622] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2403.347523][T20622] RBP: ffffc90001ebf168 R08: 0000000000000000 R09: 0000000000000000
[ 2403.347974][T20622] R10: ffffc90001ebf198 R11: ffffffffa118d1e0 R12: 1ffff920003d7e14
[ 2403.348429][T20622] R13: 00000000000005dc R14: ffffc90001ebf198 R15: ffff88802274af48
[ 2403.348898][T20622] FS:  00007f30f34a0800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2403.349427][T20622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2403.349819][T20622] CR2: 00007f30f35a0130 CR3: 0000000013e93002 CR4: 0000000000772ef0
[ 2403.350276][T20622] PKRU: 55555554
[ 2403.350511][T20622] Call Trace:
[ 2403.350744][T20622]  <TASK>
[2403.350901][T20622] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2403.351213][T20622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2403.351543][T20622] netif_set_mtu (net/core/dev.c:9652) 
[2403.351846][T20622] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2403.352163][T20622] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2403.352395][T20622] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2403.352748][T20622] br_add_if (net/bridge/br_if.c:697) 
[2403.352990][T20622] do_set_master (net/core/rtnetlink.c:2948) 
[2403.353296][T20622] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2403.353623][T20622] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2403.353932][T20622] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2403.354239][T20622] ? __dev_get_by_name (net/core/dev.c:865) 
[2403.354574][T20622] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2403.354877][T20622] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2403.355184][T20622] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2403.355492][T20622] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2403.355812][T20622] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2403.356125][T20622] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2403.356433][T20622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2403.356758][T20622] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2403.357059][T20622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2403.357363][T20622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2403.357684][T20622] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2403.357990][T20622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2403.358308][T20622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2403.358628][T20622] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2403.358933][T20622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2403.359243][T20622] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2403.359566][T20622] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2403.359872][T20622] ? 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) 
[2403.360194][T20622] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2403.360512][T20622] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2403.360817][T20622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2403.361128][T20622] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2403.361443][T20622] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2403.361768][T20622] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2403.362088][T20622] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2403.362395][T20622] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2403.362714][T20622] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2403.363104][T20622] ___sys_sendmsg (net/socket.c:2670) 
[2403.363411][T20622] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2403.363728][T20622] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2403.364057][T20622] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2403.364384][T20622] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2403.364730][T20622] ? __handle_mm_fault (mm/memory.c:6212) 
[2403.365050][T20622] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2403.365369][T20622] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2403.365718][T20622] __sys_sendmsg (net/socket.c:2700) 
[2403.366041][T20622] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2403.366362][T20622] ? 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) 
[2403.366704][T20622] ? 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) 
[2403.367033][T20622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2403.367355][T20622] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2403.367688][T20622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2403.368084][T20622] RIP: 0033:0x7f30f366d1e7
[ 2403.368412][T20622] 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)
[ 2403.369549][T20622] RSP: 002b:00007fff65079a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2403.370008][T20622] RAX: ffffffffffffffda RBX: 00007fff6507a160 RCX: 00007f30f366d1e7
[ 2403.370477][T20622] RDX: 0000000000000000 RSI: 00007fff65079a90 RDI: 0000000000000005
[ 2403.370946][T20622] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2403.371407][T20622] R10: 00007f30f36fbac0 R11: 0000000000000246 R12: 00007fff6507a198
[ 2403.371875][T20622] R13: 00000000686e3cf8 R14: 0000000000499600 R15: 00007fff65079b80
| [ 2407.716793][T20652] ------------[ cut here ]------------
| [2407.717124][T20652] WARNING: CPU: 3 PID: 20652 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) 
| [ 2407.717780][T20652] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2407.719100][T20652] Tainted: [W]=WARN
[ 2407.719342][T20652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2407.719758][T20652] 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) 
[ 2407.720093][T20652] 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
[ 2407.721257][T20652] RSP: 0018:ffffc90001087080 EFLAGS: 00010246
[ 2407.721671][T20652] RAX: 0000000000000000 RBX: ffff888015c72000 RCX: 0000000000000001
[ 2407.722149][T20652] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2407.722647][T20652] RBP: ffffc90001087168 R08: 0000000000000000 R09: 0000000000000000
[ 2407.723129][T20652] R10: ffffc90001087198 R11: ffffffffa118d1e0 R12: 1ffff92000210e14
[ 2407.723615][T20652] R13: 00000000000005dc R14: ffffc90001087198 R15: ffff888015c72f48
[ 2407.724095][T20652] FS:  00007fd65dbe6800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2407.724697][T20652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2407.725106][T20652] CR2: 00007f2628619000 CR3: 0000000016ab9002 CR4: 0000000000772ef0
[ 2407.725599][T20652] PKRU: 55555554
[ 2407.725840][T20652] Call Trace:
[ 2407.726079][T20652]  <TASK>
[2407.726245][T20652] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2407.726573][T20652] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2407.726909][T20652] netif_set_mtu (net/core/dev.c:9652) 
[2407.727238][T20652] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2407.727585][T20652] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2407.727830][T20652] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2407.728155][T20652] br_add_if (net/bridge/br_if.c:697) 
[2407.728406][T20652] do_set_master (net/core/rtnetlink.c:2948) 
[2407.728735][T20652] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2407.729060][T20652] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2407.729392][T20652] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2407.729719][T20652] ? __dev_get_by_name (net/core/dev.c:865) 
[2407.730043][T20652] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2407.730368][T20652] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2407.730701][T20652] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2407.731019][T20652] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2407.731341][T20652] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2407.731684][T20652] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2407.732018][T20652] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2407.732353][T20652] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2407.732679][T20652] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2407.733009][T20652] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2407.733327][T20652] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2407.733656][T20652] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2407.733981][T20652] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2407.734338][T20652] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2407.734678][T20652] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2407.735000][T20652] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2407.735331][T20652] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2407.735657][T20652] ? 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) 
[2407.735984][T20652] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2407.736305][T20652] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2407.736645][T20652] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2407.736972][T20652] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2407.737294][T20652] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2407.737623][T20652] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2407.737951][T20652] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2407.738272][T20652] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2407.738599][T20652] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2407.739020][T20652] ___sys_sendmsg (net/socket.c:2670) 
[2407.739342][T20652] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2407.739670][T20652] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2407.739993][T20652] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2407.740308][T20652] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2407.740638][T20652] ? __handle_mm_fault (mm/memory.c:6212) 
[2407.740959][T20652] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2407.741298][T20652] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2407.741651][T20652] __sys_sendmsg (net/socket.c:2700) 
[2407.741971][T20652] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2407.742291][T20652] ? 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) 
[2407.742626][T20652] ? 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) 
[2407.742949][T20652] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2407.743274][T20652] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2407.743615][T20652] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2407.744013][T20652] RIP: 0033:0x7fd65ddb31e7
[ 2407.744348][T20652] 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)
[ 2407.745540][T20652] RSP: 002b:00007ffeba3dad78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2407.746036][T20652] RAX: ffffffffffffffda RBX: 00007ffeba3db4b0 RCX: 00007fd65ddb31e7
[ 2407.746524][T20652] RDX: 0000000000000000 RSI: 00007ffeba3dade0 RDI: 0000000000000005
[ 2407.747002][T20652] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2407.747487][T20652] R10: 00007fd65de41ac0 R11: 0000000000000246 R12: 00007ffeba3db4e8
[ 2407.747977][T20652] R13: 00000000686e3cfd R14: 0000000000499600 R15: 00007ffeba3daed0
| [ 2415.214992][T20717] ------------[ cut here ]------------
| [2415.215309][T20717] WARNING: CPU: 0 PID: 20717 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) 
| [ 2415.215925][T20717] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2415.217553][T20717] Tainted: [W]=WARN
[ 2415.217783][T20717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2415.218170][T20717] 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) 
[ 2415.218487][T20717] 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
[ 2415.219570][T20717] RSP: 0018:ffffc9000200f080 EFLAGS: 00010246
[ 2415.219963][T20717] RAX: 0000000000000000 RBX: ffff88801dd8a000 RCX: 0000000000000001
[ 2415.220419][T20717] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2415.220882][T20717] RBP: ffffc9000200f168 R08: 0000000000000000 R09: 0000000000000000
[ 2415.221334][T20717] R10: ffffc9000200f198 R11: ffffffffa118d1e0 R12: 1ffff92000401e14
[ 2415.221800][T20717] R13: 00000000000005dc R14: ffffc9000200f198 R15: ffff88801dd8af48
[ 2415.222262][T20717] FS:  00007f9e3d98c800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 2415.222801][T20717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2415.223184][T20717] CR2: 00007f9e3db77ba0 CR3: 000000001317b005 CR4: 0000000000772ef0
[ 2415.223650][T20717] PKRU: 55555554
[ 2415.223879][T20717] Call Trace:
[ 2415.224113][T20717]  <TASK>
[2415.224270][T20717] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2415.224592][T20717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2415.224908][T20717] netif_set_mtu (net/core/dev.c:9652) 
[2415.225211][T20717] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2415.225540][T20717] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2415.225770][T20717] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2415.226080][T20717] br_add_if (net/bridge/br_if.c:697) 
[2415.226330][T20717] do_set_master (net/core/rtnetlink.c:2948) 
[2415.226643][T20717] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2415.226951][T20717] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2415.227257][T20717] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2415.227563][T20717] ? __dev_get_by_name (net/core/dev.c:865) 
[2415.227867][T20717] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2415.228169][T20717] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2415.228496][T20717] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2415.228805][T20717] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2415.229113][T20717] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2415.229425][T20717] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2415.229752][T20717] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2415.230069][T20717] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2415.230370][T20717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2415.230687][T20717] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2415.230997][T20717] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2415.231303][T20717] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2415.231620][T20717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2415.231932][T20717] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2415.232235][T20717] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2415.232549][T20717] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2415.232866][T20717] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2415.233175][T20717] ? 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) 
[2415.233488][T20717] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2415.233796][T20717] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2415.234098][T20717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2415.234417][T20717] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2415.234736][T20717] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2415.235049][T20717] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2415.235368][T20717] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2415.235685][T20717] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2415.235988][T20717] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2415.236381][T20717] ___sys_sendmsg (net/socket.c:2670) 
[2415.236703][T20717] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2415.237016][T20717] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2415.237327][T20717] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2415.237650][T20717] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2415.237960][T20717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2415.238273][T20717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2415.238597][T20717] __sys_sendmsg (net/socket.c:2700) 
[2415.238906][T20717] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2415.239222][T20717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2415.239540][T20717] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2415.239846][T20717] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2415.240230][T20717] RIP: 0033:0x7f9e3db591e7
[ 2415.240559][T20717] 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)
[ 2415.241660][T20717] RSP: 002b:00007ffc64fbe708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2415.242126][T20717] RAX: ffffffffffffffda RBX: 00007ffc64fbee40 RCX: 00007f9e3db591e7
[ 2415.242599][T20717] RDX: 0000000000000000 RSI: 00007ffc64fbe770 RDI: 0000000000000005
[ 2415.243060][T20717] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2415.243524][T20717] R10: 00007f9e3dbe7ac0 R11: 0000000000000246 R12: 00007ffc64fbee78
[ 2415.243983][T20717] R13: 00000000686e3d04 R14: 0000000000499600 R15: 00007ffc64fbe860
| [ 2419.481522][T20747] ------------[ cut here ]------------
| [2419.481838][T20747] WARNING: CPU: 3 PID: 20747 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) 
| [ 2419.482435][T20747] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2419.483722][T20747] Tainted: [W]=WARN
[ 2419.483952][T20747] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2419.484341][T20747] 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) 
[ 2419.484669][T20747] 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
[ 2419.485834][T20747] RSP: 0018:ffffc90001237080 EFLAGS: 00010246
[ 2419.486221][T20747] RAX: 0000000000000000 RBX: ffff88801a9f2000 RCX: 0000000000000001
[ 2419.486689][T20747] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2419.487141][T20747] RBP: ffffc90001237168 R08: 0000000000000000 R09: 0000000000000000
[ 2419.487612][T20747] R10: ffffc90001237198 R11: ffffffffa118d1e0 R12: 1ffff92000246e14
[ 2419.488066][T20747] R13: 00000000000005dc R14: ffffc90001237198 R15: ffff88801a9f2f48
[ 2419.488531][T20747] FS:  00007f774bf17800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2419.489063][T20747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2419.489455][T20747] CR2: 00007f774c102ba0 CR3: 0000000020aa7002 CR4: 0000000000772ef0
[ 2419.489921][T20747] PKRU: 55555554
[ 2419.490149][T20747] Call Trace:
[ 2419.490374][T20747]  <TASK>
[2419.490556][T20747] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2419.490868][T20747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2419.491187][T20747] netif_set_mtu (net/core/dev.c:9652) 
[2419.491498][T20747] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2419.491824][T20747] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2419.492055][T20747] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2419.492364][T20747] br_add_if (net/bridge/br_if.c:697) 
[2419.492632][T20747] do_set_master (net/core/rtnetlink.c:2948) 
[2419.492935][T20747] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2419.493243][T20747] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2419.493562][T20747] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2419.493867][T20747] ? __dev_get_by_name (net/core/dev.c:865) 
[2419.494178][T20747] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2419.494495][T20747] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2419.494806][T20747] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2419.495107][T20747] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2419.495414][T20747] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2419.495742][T20747] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2419.496059][T20747] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2419.496378][T20747] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2419.496694][T20747] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2419.497007][T20747] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2419.497313][T20747] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2419.497627][T20747] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2419.497938][T20747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2419.498251][T20747] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2419.498566][T20747] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2419.498881][T20747] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2419.499198][T20747] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2419.499509][T20747] ? 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) 
[2419.499818][T20747] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2419.500125][T20747] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2419.500428][T20747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2419.500744][T20747] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2419.501064][T20747] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2419.501367][T20747] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2419.501685][T20747] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2419.501990][T20747] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2419.502301][T20747] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2419.502697][T20747] ___sys_sendmsg (net/socket.c:2670) 
[2419.503003][T20747] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2419.503317][T20747] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2419.503631][T20747] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2419.503933][T20747] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2419.504240][T20747] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2419.504570][T20747] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2419.504878][T20747] __sys_sendmsg (net/socket.c:2700) 
[2419.505181][T20747] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2419.505513][T20747] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2419.505818][T20747] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2419.506130][T20747] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2419.506514][T20747] RIP: 0033:0x7f774c0e41e7
[ 2419.506828][T20747] 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)
[ 2419.507926][T20747] RSP: 002b:00007fffa94cd358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2419.508383][T20747] RAX: ffffffffffffffda RBX: 00007fffa94cda90 RCX: 00007f774c0e41e7
[ 2419.508853][T20747] RDX: 0000000000000000 RSI: 00007fffa94cd3c0 RDI: 0000000000000005
[ 2419.509308][T20747] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2419.509778][T20747] R10: 00007f774c172ac0 R11: 0000000000000246 R12: 00007fffa94cdac8
[ 2419.510232][T20747] R13: 00000000686e3d08 R14: 0000000000499600 R15: 00007fffa94cd4b0
| [ 2483.437148][T21109] ------------[ cut here ]------------
| [2483.437543][T21109] WARNING: CPU: 3 PID: 21109 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) 
| [ 2483.438223][T21109] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2483.439658][T21109] Tainted: [W]=WARN
[ 2483.439922][T21109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2483.440360][T21109] 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) 
[ 2483.440724][T21109] 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
[ 2483.441952][T21109] RSP: 0018:ffffc900051bf080 EFLAGS: 00010246
[ 2483.442400][T21109] RAX: 0000000000000000 RBX: ffff888011752000 RCX: 0000000000000001
[ 2483.442937][T21109] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2483.443464][T21109] RBP: ffffc900051bf168 R08: 0000000000000000 R09: 0000000000000000
[ 2483.443979][T21109] R10: ffffc900051bf198 R11: ffffffffa118d1e0 R12: 1ffff92000a37e14
[ 2483.444532][T21109] R13: 00000000000005dc R14: ffffc900051bf198 R15: ffff888011752f48
[ 2483.445063][T21109] FS:  00007fb515d7e800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2483.445679][T21109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2483.446115][T21109] CR2: 000000000043d940 CR3: 00000000203a7006 CR4: 0000000000772ef0
[ 2483.446657][T21109] PKRU: 55555554
[ 2483.446919][T21109] Call Trace:
[ 2483.447189][T21109]  <TASK>
[2483.447368][T21109] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2483.447729][T21109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2483.448088][T21109] netif_set_mtu (net/core/dev.c:9652) 
[2483.448432][T21109] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2483.448803][T21109] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2483.449067][T21109] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2483.449414][T21109] br_add_if (net/bridge/br_if.c:697) 
[2483.449706][T21109] do_set_master (net/core/rtnetlink.c:2948) 
[2483.450050][T21109] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2483.450398][T21109] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2483.450769][T21109] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2483.451112][T21109] ? __dev_get_by_name (net/core/dev.c:865) 
[2483.451471][T21109] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2483.451816][T21109] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2483.452179][T21109] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2483.452532][T21109] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2483.452885][T21109] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2483.453240][T21109] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2483.453602][T21109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2483.453959][T21109] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2483.454303][T21109] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2483.454691][T21109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2483.455047][T21109] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2483.455394][T21109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2483.455755][T21109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2483.456105][T21109] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2483.456469][T21109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2483.456817][T21109] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2483.457175][T21109] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2483.457540][T21109] ? 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) 
[2483.457888][T21109] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2483.458235][T21109] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2483.458602][T21109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2483.458973][T21109] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2483.459322][T21109] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2483.459677][T21109] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2483.460042][T21109] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2483.460389][T21109] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2483.460746][T21109] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2483.461231][T21109] ___sys_sendmsg (net/socket.c:2670) 
[2483.461555][T21109] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2483.461861][T21109] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2483.462169][T21109] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2483.462504][T21109] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2483.462814][T21109] ? __handle_mm_fault (mm/memory.c:6212) 
[2483.463117][T21109] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2483.463423][T21109] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2483.463758][T21109] __sys_sendmsg (net/socket.c:2700) 
[2483.464063][T21109] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2483.464425][T21109] ? 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) 
[2483.464827][T21109] ? 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) 
[2483.465179][T21109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2483.465549][T21109] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2483.465898][T21109] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2483.466327][T21109] RIP: 0033:0x7fb515f4b1e7
[ 2483.466697][T21109] 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)
[ 2483.467943][T21109] RSP: 002b:00007fffe8bfb938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2483.468475][T21109] RAX: ffffffffffffffda RBX: 00007fffe8bfc070 RCX: 00007fb515f4b1e7
[ 2483.468993][T21109] RDX: 0000000000000000 RSI: 00007fffe8bfb9a0 RDI: 0000000000000005
[ 2483.469535][T21109] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2483.470050][T21109] R10: 00007fb515fd9ac0 R11: 0000000000000246 R12: 00007fffe8bfc0a8
[ 2483.470574][T21109] R13: 00000000686e3d48 R14: 0000000000499600 R15: 00007fffe8bfba90
| [ 2487.634114][T21139] ------------[ cut here ]------------
| [2487.634483][T21139] WARNING: CPU: 3 PID: 21139 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) 
| [ 2487.635095][T21139] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2487.636357][T21139] Tainted: [W]=WARN
[ 2487.636648][T21139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2487.637033][T21139] 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) 
[ 2487.637350][T21139] 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
[ 2487.638461][T21139] RSP: 0018:ffffc90004bff080 EFLAGS: 00010246
[ 2487.638860][T21139] RAX: 0000000000000000 RBX: ffff888020492000 RCX: 0000000000000001
[ 2487.639318][T21139] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2487.639785][T21139] RBP: ffffc90004bff168 R08: 0000000000000000 R09: 0000000000000000
[ 2487.640241][T21139] R10: ffffc90004bff198 R11: ffffffffa118d1e0 R12: 1ffff9200097fe14
[ 2487.640811][T21139] R13: 00000000000005dc R14: ffffc90004bff198 R15: ffff888020492f48
[ 2487.641273][T21139] FS:  00007fa90178f800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2487.641823][T21139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2487.642207][T21139] CR2: 000000000043d940 CR3: 0000000011b5d003 CR4: 0000000000772ef0
[ 2487.642678][T21139] PKRU: 55555554
[ 2487.642918][T21139] Call Trace:
[ 2487.643147][T21139]  <TASK>
[2487.643306][T21139] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2487.643626][T21139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2487.643948][T21139] netif_set_mtu (net/core/dev.c:9652) 
[2487.644252][T21139] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2487.644625][T21139] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2487.644864][T21139] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2487.645183][T21139] br_add_if (net/bridge/br_if.c:697) 
[2487.645424][T21139] do_set_master (net/core/rtnetlink.c:2948) 
[2487.645742][T21139] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2487.646053][T21139] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2487.646362][T21139] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2487.646683][T21139] ? __dev_get_by_name (net/core/dev.c:865) 
[2487.646988][T21139] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2487.647291][T21139] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2487.647615][T21139] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2487.647917][T21139] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2487.648232][T21139] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2487.648586][T21139] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2487.648904][T21139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2487.649220][T21139] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2487.649535][T21139] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2487.649854][T21139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2487.650173][T21139] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2487.650493][T21139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2487.650808][T21139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2487.651122][T21139] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2487.651428][T21139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2487.651839][T21139] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2487.652168][T21139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2487.652530][T21139] ? 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) 
[2487.652866][T21139] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2487.653183][T21139] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2487.653504][T21139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2487.653829][T21139] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2487.654142][T21139] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2487.654486][T21139] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2487.654814][T21139] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2487.655129][T21139] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2487.655434][T21139] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2487.655842][T21139] ___sys_sendmsg (net/socket.c:2670) 
[2487.656150][T21139] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2487.656473][T21139] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2487.656818][T21139] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2487.657138][T21139] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2487.657473][T21139] ? __handle_mm_fault (mm/memory.c:6212) 
[2487.657781][T21139] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2487.658085][T21139] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2487.658413][T21139] __sys_sendmsg (net/socket.c:2700) 
[2487.658738][T21139] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2487.659056][T21139] ? 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) 
[2487.659369][T21139] ? 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) 
[2487.659688][T21139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2487.659995][T21139] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2487.660301][T21139] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2487.660723][T21139] RIP: 0033:0x7fa90195c1e7
[ 2487.661041][T21139] 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)
[ 2487.662153][T21139] RSP: 002b:00007ffd07c58528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2487.662627][T21139] RAX: ffffffffffffffda RBX: 00007ffd07c58c60 RCX: 00007fa90195c1e7
[ 2487.663090][T21139] RDX: 0000000000000000 RSI: 00007ffd07c58590 RDI: 0000000000000005
[ 2487.663558][T21139] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2487.664014][T21139] R10: 00007fa9019eaac0 R11: 0000000000000246 R12: 00007ffd07c58c98
[ 2487.664493][T21139] R13: 00000000686e3d4d R14: 0000000000499600 R15: 00007ffd07c58680
| [ 2495.089069][T21204] ------------[ cut here ]------------
| [2495.089381][T21204] WARNING: CPU: 3 PID: 21204 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) 
| [ 2495.090004][T21204] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2495.091264][T21204] Tainted: [W]=WARN
[ 2495.092170][T21204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2495.092576][T21204] 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) 
[ 2495.092890][T21204] 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
[ 2495.093993][T21204] RSP: 0018:ffffc9000ad37080 EFLAGS: 00010246
[ 2495.094386][T21204] RAX: 0000000000000000 RBX: ffff888011a92000 RCX: 0000000000000001
[ 2495.094866][T21204] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2495.095324][T21204] RBP: ffffc9000ad37168 R08: 0000000000000000 R09: 0000000000000000
[ 2495.095786][T21204] R10: ffffc9000ad37198 R11: ffffffffa118d1e0 R12: 1ffff920015a6e14
[ 2495.096252][T21204] R13: 00000000000005dc R14: ffffc9000ad37198 R15: ffff888011a92f48
[ 2495.096723][T21204] FS:  00007fd361b00800(0000) GS:ffff8880ca319000(0000) knlGS:0000000000000000
[ 2495.097257][T21204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2495.097653][T21204] CR2: 00007fd361c00130 CR3: 000000001c636004 CR4: 0000000000772ef0
[ 2495.098112][T21204] PKRU: 55555554
[ 2495.098347][T21204] Call Trace:
[ 2495.098594][T21204]  <TASK>
[2495.098754][T21204] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2495.099060][T21204] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2495.099385][T21204] netif_set_mtu (net/core/dev.c:9652) 
[2495.099698][T21204] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2495.100019][T21204] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2495.100253][T21204] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2495.100577][T21204] br_add_if (net/bridge/br_if.c:697) 
[2495.100827][T21204] do_set_master (net/core/rtnetlink.c:2948) 
[2495.101130][T21204] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2495.101437][T21204] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2495.101756][T21204] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2495.102058][T21204] ? __dev_get_by_name (net/core/dev.c:865) 
[2495.102364][T21204] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2495.102688][T21204] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2495.103012][T21204] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2495.103313][T21204] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2495.103633][T21204] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2495.103951][T21204] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2495.104263][T21204] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2495.104597][T21204] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2495.104901][T21204] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2495.105206][T21204] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2495.105536][T21204] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2495.105843][T21204] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2495.106162][T21204] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2495.106492][T21204] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2495.106799][T21204] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2495.107105][T21204] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2495.107423][T21204] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2495.107745][T21204] ? 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) 
[2495.108053][T21204] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2495.108360][T21204] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2495.108675][T21204] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2495.108986][T21204] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2495.109296][T21204] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2495.109610][T21204] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2495.109930][T21204] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2495.110237][T21204] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2495.110561][T21204] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2495.110952][T21204] ___sys_sendmsg (net/socket.c:2670) 
[2495.111260][T21204] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2495.111574][T21204] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2495.111881][T21204] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2495.112189][T21204] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2495.112506][T21204] ? __handle_mm_fault (mm/memory.c:6212) 
[2495.112812][T21204] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2495.113113][T21204] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2495.113436][T21204] __sys_sendmsg (net/socket.c:2700) 
[2495.113754][T21204] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2495.114063][T21204] ? 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) 
[2495.114375][T21204] ? 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) 
[2495.114707][T21204] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2495.115015][T21204] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2495.115323][T21204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2495.115708][T21204] RIP: 0033:0x7fd361ccd1e7
[ 2495.116031][T21204] 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)
[ 2495.117132][T21204] RSP: 002b:00007ffd9df7d1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2495.117602][T21204] RAX: ffffffffffffffda RBX: 00007ffd9df7d910 RCX: 00007fd361ccd1e7
[ 2495.118056][T21204] RDX: 0000000000000000 RSI: 00007ffd9df7d240 RDI: 0000000000000005
[ 2495.118537][T21204] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2495.119042][T21204] R10: 00007fd361d5bac0 R11: 0000000000000246 R12: 00007ffd9df7d948
[ 2495.119511][T21204] R13: 00000000686e3d54 R14: 0000000000499600 R15: 00007ffd9df7d330
| [ 2499.422278][T21234] ------------[ cut here ]------------
| [2499.422718][T21234] WARNING: CPU: 0 PID: 21234 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) 
| [ 2499.423693][T21234] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2499.426240][T21234] Tainted: [W]=WARN
[ 2499.426558][T21234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2499.427158][T21234] 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) 
[ 2499.427720][T21234] 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
[ 2499.429406][T21234] RSP: 0018:ffffc9000369f080 EFLAGS: 00010246
[ 2499.429961][T21234] RAX: 0000000000000000 RBX: ffff888012d12000 RCX: 0000000000000001
[ 2499.430750][T21234] RDX: 0000000000000000 RSI: ffffffffa0710759 RDI: ffffffff9fe58280
[ 2499.431554][T21234] RBP: ffffc9000369f168 R08: 0000000000000000 R09: 0000000000000000
[ 2499.432338][T21234] R10: ffffc9000369f198 R11: ffffffffa118d1e0 R12: 1ffff920006d3e14
[ 2499.433160][T21234] R13: 00000000000005dc R14: ffffc9000369f198 R15: ffff888012d12f48
[ 2499.433956][T21234] FS:  00007f3655383800(0000) GS:ffff8880ca199000(0000) knlGS:0000000000000000
[ 2499.434904][T21234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2499.435582][T21234] CR2: 00007f365556eba0 CR3: 000000001e85f004 CR4: 0000000000772ef0
[ 2499.436386][T21234] PKRU: 55555554
[ 2499.436796][T21234] Call Trace:
[ 2499.437200][T21234]  <TASK>
[2499.437489][T21234] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2499.438023][T21234] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2499.438611][T21234] netif_set_mtu (net/core/dev.c:9652) 
[2499.439020][T21234] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2499.439581][T21234] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2499.439995][T21234] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2499.440582][T21234] br_add_if (net/bridge/br_if.c:697) 
[2499.440946][T21234] do_set_master (net/core/rtnetlink.c:2948) 
[2499.441346][T21234] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2499.441905][T21234] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2499.442472][T21234] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2499.442872][T21234] ? __dev_get_by_name (net/core/dev.c:865) 
[2499.443354][T21234] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2499.443800][T21234] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2499.444346][T21234] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2499.444908][T21234] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2499.445483][T21234] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2499.446051][T21234] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2499.446622][T21234] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2499.447196][T21234] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2499.447749][T21234] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2499.448313][T21234] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2499.448798][T21234] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2499.449234][T21234] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2499.449753][T21234] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2499.450316][T21234] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2499.450875][T21234] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2499.451421][T21234] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2499.452011][T21234] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2499.452571][T21234] ? 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) 
[2499.453122][T21234] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2499.453684][T21234] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2499.454229][T21234] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2499.454810][T21234] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2499.455367][T21234] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2499.455935][T21234] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2499.456514][T21234] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2499.457062][T21234] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2499.457614][T21234] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2499.458319][T21234] ___sys_sendmsg (net/socket.c:2670) 
[2499.458892][T21234] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2499.459427][T21234] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2499.459880][T21234] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2499.460406][T21234] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2499.460973][T21234] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2499.461550][T21234] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2499.462105][T21234] __sys_sendmsg (net/socket.c:2700) 
[2499.462666][T21234] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2499.463237][T21234] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2499.463684][T21234] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2499.464180][T21234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2499.464879][T21234] RIP: 0033:0x7f36555501e7
[ 2499.465443][T21234] 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)
[ 2499.467416][T21234] RSP: 002b:00007ffdf6df2ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2499.468260][T21234] RAX: ffffffffffffffda RBX: 00007ffdf6df3420 RCX: 00007f36555501e7
[ 2499.469086][T21234] RDX: 0000000000000000 RSI: 00007ffdf6df2d50 RDI: 0000000000000005
[ 2499.469907][T21234] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2499.470738][T21234] R10: 00007f36555deac0 R11: 0000000000000246 R12: 00007ffdf6df3458


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