======================================
| [ 1828.901631][T15920] br0: port 1(vx0) entered forwarding state
| [ 1828.904794][T15920] ------------[ cut here ]------------
| [1828.905157][T15920] WARNING: CPU: 0 PID: 15920 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) 
| [ 1828.905809][T15920] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
[ 1828.907181][T15920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1828.907592][T15920] 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) 
[ 1828.907921][T15920] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1828.909331][T15920] RSP: 0018:ffffc9000741f080 EFLAGS: 00010246
[ 1828.909744][T15920] RAX: 0000000000000000 RBX: ffff888013652000 RCX: 0000000000000001
[ 1828.910252][T15920] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1828.910729][T15920] RBP: ffffc9000741f168 R08: 0000000000000000 R09: 0000000000000000
[ 1828.911220][T15920] R10: ffffc9000741f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000e83e14
[ 1828.911700][T15920] R13: 00000000000005dc R14: ffffc9000741f198 R15: ffff888013652f48
[ 1828.912191][T15920] FS:  00007f693cf11800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 1828.912753][T15920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1828.913174][T15920] CR2: 00007f693d011130 CR3: 0000000016604003 CR4: 0000000000772ef0
[ 1828.913660][T15920] PKRU: 55555554
[ 1828.913903][T15920] Call Trace:
[ 1828.914162][T15920]  <TASK>
[1828.914334][T15920] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1828.914662][T15920] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1828.914993][T15920] netif_set_mtu (net/core/dev.c:9652) 
[1828.915323][T15920] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1828.915666][T15920] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1828.915909][T15920] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1828.916239][T15920] br_add_if (net/bridge/br_if.c:697) 
[1828.916491][T15920] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1828.916808][T15920] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1828.917136][T15920] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1828.917462][T15920] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1828.917785][T15920] ? __dev_get_by_name (net/core/dev.c:865) 
[1828.918123][T15920] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1828.918440][T15920] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1828.918762][T15920] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1828.919074][T15920] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1828.919402][T15920] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1828.919726][T15920] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1828.920064][T15920] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1828.920410][T15920] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1828.920725][T15920] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1828.921044][T15920] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1828.921364][T15920] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1828.921682][T15920] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1828.922004][T15920] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1828.922344][T15920] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1828.922666][T15920] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1828.922991][T15920] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1828.923326][T15920] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1828.923642][T15920] ? 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) 
[1828.923958][T15920] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1828.924285][T15920] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1828.924602][T15920] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1828.924930][T15920] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1828.925258][T15920] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1828.925577][T15920] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1828.925899][T15920] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1828.926237][T15920] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1828.926556][T15920] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1828.926961][T15920] ___sys_sendmsg (net/socket.c:2670) 
[1828.927287][T15920] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1828.927608][T15920] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1828.927929][T15920] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1828.928252][T15920] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1828.928576][T15920] ? __handle_mm_fault (mm/memory.c:6212) 
[1828.928894][T15920] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1828.929213][T15920] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1828.929559][T15920] __sys_sendmsg (net/socket.c:2700) 
[1828.929883][T15920] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1828.930222][T15920] ? 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) 
[1828.930551][T15920] ? 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) 
[1828.930867][T15920] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1828.931203][T15920] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1828.931525][T15920] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1828.931930][T15920] RIP: 0033:0x7f693d0de1e7
[ 1828.932275][T15920] 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)
[ 1828.933427][T15920] RSP: 002b:00007ffd2565e758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1828.933912][T15920] RAX: ffffffffffffffda RBX: 00007ffd2565ee90 RCX: 00007f693d0de1e7
[ 1828.934414][T15920] RDX: 0000000000000000 RSI: 00007ffd2565e7c0 RDI: 0000000000000005
[ 1828.934898][T15920] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1828.935377][T15920] R10: 00007f693d16cac0 R11: 0000000000000246 R12: 00007ffd2565eec8
[ 1828.935834][T15920] R13: 00000000686e647f R14: 0000000000499600 R15: 00007ffd2565e8b0
| [ 1833.312591][T15951] ------------[ cut here ]------------
| [1833.312908][T15951] WARNING: CPU: 0 PID: 15951 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) 
| [ 1833.313548][T15951] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1833.314820][T15951] Tainted: [W]=WARN
[ 1833.315056][T15951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1833.315466][T15951] 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) 
[ 1833.315786][T15951] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1833.316932][T15951] RSP: 0018:ffffc9000748f080 EFLAGS: 00010246
[ 1833.317368][T15951] RAX: 0000000000000000 RBX: ffff88801bbfa000 RCX: 0000000000000001
[ 1833.317848][T15951] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1833.319328][T15951] RBP: ffffc9000748f168 R08: 0000000000000000 R09: 0000000000000000
[ 1833.319800][T15951] R10: ffffc9000748f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000e91e14
[ 1833.320294][T15951] R13: 00000000000005dc R14: ffffc9000748f198 R15: ffff88801bbfaf48
[ 1833.320744][T15951] FS:  00007f104b74a800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 1833.321306][T15951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1833.321688][T15951] CR2: 000000000043d940 CR3: 0000000005c2a005 CR4: 0000000000772ef0
[ 1833.322168][T15951] PKRU: 55555554
[ 1833.322400][T15951] Call Trace:
[ 1833.322629][T15951]  <TASK>
[1833.322789][T15951] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1833.323093][T15951] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1833.323433][T15951] netif_set_mtu (net/core/dev.c:9652) 
[1833.323733][T15951] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1833.324055][T15951] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1833.324305][T15951] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1833.324615][T15951] br_add_if (net/bridge/br_if.c:697) 
[1833.324853][T15951] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1833.325187][T15951] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1833.325505][T15951] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1833.325810][T15951] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1833.326130][T15951] ? __dev_get_by_name (net/core/dev.c:865) 
[1833.326446][T15951] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1833.326745][T15951] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1833.327054][T15951] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1833.327373][T15951] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1833.327681][T15951] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1833.327992][T15951] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1833.328326][T15951] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1833.328654][T15951] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1833.328964][T15951] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1833.329302][T15951] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1833.329610][T15951] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1833.329927][T15951] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1833.330259][T15951] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1833.330568][T15951] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1833.330874][T15951] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1833.331204][T15951] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1833.331520][T15951] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1833.331819][T15951] ? 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) 
[1833.332147][T15951] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1833.332458][T15951] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1833.332769][T15951] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1833.333084][T15951] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1833.333442][T15951] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1833.333763][T15951] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1833.334090][T15951] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1833.334437][T15951] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1833.334753][T15951] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1833.335159][T15951] ___sys_sendmsg (net/socket.c:2670) 
[1833.335468][T15951] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1833.335779][T15951] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1833.336085][T15951] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1833.336411][T15951] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1833.336716][T15951] ? __handle_mm_fault (mm/memory.c:6212) 
[1833.337016][T15951] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1833.337352][T15951] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1833.337691][T15951] __sys_sendmsg (net/socket.c:2700) 
[1833.337992][T15951] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1833.338322][T15951] ? 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) 
[1833.338631][T15951] ? 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) 
[1833.338932][T15951] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1833.339262][T15951] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1833.339576][T15951] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1833.339967][T15951] RIP: 0033:0x7f104b9171e7
[ 1833.340310][T15951] 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)
[ 1833.341420][T15951] RSP: 002b:00007ffea689e7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1833.341875][T15951] RAX: ffffffffffffffda RBX: 00007ffea689eef0 RCX: 00007f104b9171e7
[ 1833.342358][T15951] RDX: 0000000000000000 RSI: 00007ffea689e820 RDI: 0000000000000005
[ 1833.342811][T15951] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1833.343291][T15951] R10: 00007f104b9a5ac0 R11: 0000000000000246 R12: 00007ffea689ef28
[ 1833.343745][T15951] R13: 00000000686e6483 R14: 0000000000499600 R15: 00007ffea689e910
| [ 1840.009217][T16008] ------------[ cut here ]------------
| [1840.009536][T16008] WARNING: CPU: 0 PID: 16008 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) 
| [ 1840.010985][T16008] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1840.012241][T16008] Tainted: [W]=WARN
[ 1840.012469][T16008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1840.012843][T16008] 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) 
[ 1840.013172][T16008] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1840.014260][T16008] RSP: 0018:ffffc9000775f080 EFLAGS: 00010246
[ 1840.014641][T16008] RAX: 0000000000000000 RBX: ffff888018202000 RCX: 0000000000000001
[ 1840.015088][T16008] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1840.015556][T16008] RBP: ffffc9000775f168 R08: 0000000000000000 R09: 0000000000000000
[ 1840.016004][T16008] R10: ffffc9000775f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000eebe14
[ 1840.016462][T16008] R13: 00000000000005dc R14: ffffc9000775f198 R15: ffff888018202f48
[ 1840.016914][T16008] FS:  00007fab47032800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 1840.017465][T16008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1840.017845][T16008] CR2: 00007fab4721dba0 CR3: 000000000ab50003 CR4: 0000000000772ef0
[ 1840.018307][T16008] PKRU: 55555554
[ 1840.018534][T16008] Call Trace:
[ 1840.018758][T16008]  <TASK>
[1840.018914][T16008] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1840.019225][T16008] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1840.019550][T16008] netif_set_mtu (net/core/dev.c:9652) 
[1840.019849][T16008] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1840.020186][T16008] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1840.020418][T16008] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1840.020725][T16008] br_add_if (net/bridge/br_if.c:697) 
[1840.020964][T16008] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1840.021280][T16008] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1840.021587][T16008] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1840.021898][T16008] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1840.022204][T16008] ? __dev_get_by_name (net/core/dev.c:865) 
[1840.022507][T16008] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1840.022806][T16008] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1840.023126][T16008] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1840.023432][T16008] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1840.023737][T16008] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1840.024053][T16008] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1840.024369][T16008] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1840.024682][T16008] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1840.024980][T16008] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1840.025297][T16008] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1840.025601][T16008] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1840.025904][T16008] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1840.026281][T16008] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1840.026618][T16008] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1840.026935][T16008] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1840.027265][T16008] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1840.027597][T16008] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1840.027913][T16008] ? 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) 
[1840.028241][T16008] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1840.028562][T16008] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1840.028870][T16008] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1840.029197][T16008] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1840.029506][T16008] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1840.029807][T16008] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1840.030135][T16008] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1840.030443][T16008] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1840.030742][T16008] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1840.031143][T16008] ___sys_sendmsg (net/socket.c:2670) 
[1840.031450][T16008] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1840.031756][T16008] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1840.032060][T16008] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1840.032368][T16008] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1840.032675][T16008] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1840.032984][T16008] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1840.033319][T16008] __sys_sendmsg (net/socket.c:2700) 
[1840.033623][T16008] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1840.033941][T16008] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1840.034255][T16008] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1840.034562][T16008] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1840.034935][T16008] RIP: 0033:0x7fab471ff1e7
[ 1840.035260][T16008] 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)
[ 1840.036376][T16008] RSP: 002b:00007ffd497e7f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1840.036834][T16008] RAX: ffffffffffffffda RBX: 00007ffd497e8690 RCX: 00007fab471ff1e7
[ 1840.037305][T16008] RDX: 0000000000000000 RSI: 00007ffd497e7fc0 RDI: 0000000000000005
[ 1840.037774][T16008] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1840.038236][T16008] R10: 00007fab4728dac0 R11: 0000000000000246 R12: 00007ffd497e86c8
[ 1840.038686][T16008] R13: 00000000686e648a R14: 0000000000499600 R15: 00007ffd497e80b0
| [ 1844.357155][T16039] ------------[ cut here ]------------
| [1844.357901][T16039] WARNING: CPU: 2 PID: 16039 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) 
| [ 1844.359018][T16039] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1844.361363][T16039] Tainted: [W]=WARN
[ 1844.361804][T16039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1844.362528][T16039] 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) 
[ 1844.363138][T16039] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1844.365076][T16039] RSP: 0018:ffffc900078ff080 EFLAGS: 00010246
[ 1844.365811][T16039] RAX: 0000000000000000 RBX: ffff8880105fa000 RCX: 0000000000000001
[ 1844.366676][T16039] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1844.367523][T16039] RBP: ffffc900078ff168 R08: 0000000000000000 R09: 0000000000000000
[ 1844.368376][T16039] R10: ffffc900078ff198 R11: ffffffff8bf8d1e0 R12: 1ffff92000f1fe14
[ 1844.369221][T16039] R13: 00000000000005dc R14: ffffc900078ff198 R15: ffff8880105faf48
[ 1844.370086][T16039] FS:  00007fbc64d26800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 1844.371056][T16039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1844.371745][T16039] CR2: 00005588bda92dec CR3: 0000000017583001 CR4: 0000000000772ef0
[ 1844.372558][T16039] PKRU: 55555554
[ 1844.373055][T16039] Call Trace:
[ 1844.373478][T16039]  <TASK>
[1844.373773][T16039] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1844.374333][T16039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1844.374881][T16039] netif_set_mtu (net/core/dev.c:9652) 
[1844.375423][T16039] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1844.375976][T16039] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1844.376439][T16039] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1844.376978][T16039] br_add_if (net/bridge/br_if.c:697) 
[1844.377412][T16039] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1844.377942][T16039] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1844.378490][T16039] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1844.379018][T16039] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1844.379550][T16039] ? __dev_get_by_name (net/core/dev.c:865) 
[1844.380139][T16039] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1844.380704][T16039] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1844.381320][T16039] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1844.381882][T16039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1844.382487][T16039] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1844.383073][T16039] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1844.383667][T16039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1844.384245][T16039] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1844.384787][T16039] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1844.385353][T16039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1844.385866][T16039] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1844.386431][T16039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1844.386965][T16039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1844.387507][T16039] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1844.388036][T16039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1844.388582][T16039] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1844.389150][T16039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1844.389663][T16039] ? 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) 
[1844.390209][T16039] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1844.390734][T16039] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1844.391263][T16039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1844.391786][T16039] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1844.392329][T16039] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1844.392849][T16039] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1844.393400][T16039] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1844.393917][T16039] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1844.394466][T16039] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1844.395170][T16039] ___sys_sendmsg (net/socket.c:2670) 
[1844.395739][T16039] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1844.396321][T16039] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1844.396891][T16039] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1844.397464][T16039] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1844.398055][T16039] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1844.398665][T16039] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1844.399261][T16039] __sys_sendmsg (net/socket.c:2700) 
[1844.399834][T16039] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1844.400491][T16039] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1844.401064][T16039] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1844.401649][T16039] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1844.402360][T16039] RIP: 0033:0x7fbc64ef31e7
[ 1844.402956][T16039] 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)
[ 1844.404948][T16039] RSP: 002b:00007ffd40db6218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1844.405800][T16039] RAX: ffffffffffffffda RBX: 00007ffd40db6950 RCX: 00007fbc64ef31e7
[ 1844.406677][T16039] RDX: 0000000000000000 RSI: 00007ffd40db6280 RDI: 0000000000000005
[ 1844.407519][T16039] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1844.408367][T16039] R10: 00007fbc64f81ac0 R11: 0000000000000246 R12: 00007ffd40db6988
[ 1844.409209][T16039] R13: 00000000686e648e R14: 0000000000499600 R15: 00007ffd40db6370
| [ 1864.318319][T16211] ------------[ cut here ]------------
| [1864.318649][T16211] WARNING: CPU: 3 PID: 16211 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) 
| [ 1864.319455][T16211] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1864.320775][T16211] Tainted: [W]=WARN
[ 1864.321021][T16211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1864.321425][T16211] 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) 
[ 1864.321741][T16211] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1864.322848][T16211] RSP: 0018:ffffc90007ebf080 EFLAGS: 00010246
[ 1864.323243][T16211] RAX: 0000000000000000 RBX: ffff8880186da000 RCX: 0000000000000001
[ 1864.323699][T16211] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1864.324189][T16211] RBP: ffffc90007ebf168 R08: 0000000000000000 R09: 0000000000000000
[ 1864.324652][T16211] R10: ffffc90007ebf198 R11: ffffffff8bf8d1e0 R12: 1ffff92000fd7e14
[ 1864.325132][T16211] R13: 00000000000005dc R14: ffffc90007ebf198 R15: ffff8880186daf48
[ 1864.325610][T16211] FS:  00007f1824442800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 1864.326180][T16211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1864.326591][T16211] CR2: 000000000043d940 CR3: 000000000bec8002 CR4: 0000000000772ef0
[ 1864.327059][T16211] PKRU: 55555554
[ 1864.327296][T16211] Call Trace:
[ 1864.327525][T16211]  <TASK>
[1864.327684][T16211] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1864.327991][T16211] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1864.328316][T16211] netif_set_mtu (net/core/dev.c:9652) 
[1864.328627][T16211] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1864.328944][T16211] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1864.329183][T16211] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1864.329490][T16211] br_add_if (net/bridge/br_if.c:697) 
[1864.329730][T16211] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1864.330044][T16211] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1864.330370][T16211] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1864.330684][T16211] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1864.330985][T16211] ? __dev_get_by_name (net/core/dev.c:865) 
[1864.331296][T16211] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1864.331597][T16211] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1864.331905][T16211] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1864.332210][T16211] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1864.332518][T16211] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1864.332837][T16211] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1864.333221][T16211] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1864.333541][T16211] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1864.333842][T16211] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1864.334167][T16211] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1864.334475][T16211] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1864.334777][T16211] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1864.335083][T16211] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1864.335401][T16211] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1864.335713][T16211] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1864.336015][T16211] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1864.336335][T16211] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1864.336635][T16211] ? 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) 
[1864.336938][T16211] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1864.337250][T16211] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1864.337558][T16211] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1864.337864][T16211] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1864.338189][T16211] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1864.338493][T16211] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1864.338806][T16211] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1864.339125][T16211] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1864.339425][T16211] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1864.339810][T16211] ___sys_sendmsg (net/socket.c:2670) 
[1864.340163][T16211] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1864.340469][T16211] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1864.340774][T16211] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1864.341074][T16211] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1864.341390][T16211] ? __handle_mm_fault (mm/memory.c:6212) 
[1864.341692][T16211] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1864.342002][T16211] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1864.342347][T16211] __sys_sendmsg (net/socket.c:2700) 
[1864.342651][T16211] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1864.342951][T16211] ? 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) 
[1864.343273][T16211] ? 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) 
[1864.343576][T16211] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1864.343880][T16211] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1864.344202][T16211] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1864.344575][T16211] RIP: 0033:0x7f182460f1e7
[ 1864.344887][T16211] 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)
[ 1864.346118][T16211] RSP: 002b:00007ffc4abd7778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1864.346601][T16211] RAX: ffffffffffffffda RBX: 00007ffc4abd7eb0 RCX: 00007f182460f1e7
[ 1864.347053][T16211] RDX: 0000000000000000 RSI: 00007ffc4abd77e0 RDI: 0000000000000005
[ 1864.347535][T16211] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1864.347997][T16211] R10: 00007f182469dac0 R11: 0000000000000246 R12: 00007ffc4abd7ee8
[ 1864.348465][T16211] R13: 00000000686e64a2 R14: 0000000000499600 R15: 00007ffc4abd78d0
| [ 1868.530658][T16241] ------------[ cut here ]------------
| [1868.531024][T16241] WARNING: CPU: 3 PID: 16241 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) 
| [ 1868.531687][T16241] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1868.533014][T16241] Tainted: [W]=WARN
[ 1868.534202][T16241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1868.534623][T16241] 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) 
[ 1868.534950][T16241] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1868.536130][T16241] RSP: 0018:ffffc9000801f080 EFLAGS: 00010246
[ 1868.536543][T16241] RAX: 0000000000000000 RBX: ffff888018202000 RCX: 0000000000000001
[ 1868.537049][T16241] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1868.537558][T16241] RBP: ffffc9000801f168 R08: 0000000000000000 R09: 0000000000000000
[ 1868.538035][T16241] R10: ffffc9000801f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001003e14
[ 1868.538536][T16241] R13: 00000000000005dc R14: ffffc9000801f198 R15: ffff888018202f48
[ 1868.539017][T16241] FS:  00007f079a131800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 1868.539596][T16241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1868.540030][T16241] CR2: 00007f079a231130 CR3: 000000001b02b005 CR4: 0000000000772ef0
[ 1868.540568][T16241] PKRU: 55555554
[ 1868.540813][T16241] Call Trace:
[ 1868.541084][T16241]  <TASK>
[1868.541271][T16241] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1868.541606][T16241] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1868.541940][T16241] netif_set_mtu (net/core/dev.c:9652) 
[1868.542289][T16241] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1868.542627][T16241] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1868.542877][T16241] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1868.543212][T16241] br_add_if (net/bridge/br_if.c:697) 
[1868.543478][T16241] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1868.543796][T16241] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1868.544146][T16241] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1868.544494][T16241] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1868.544814][T16241] ? __dev_get_by_name (net/core/dev.c:865) 
[1868.545143][T16241] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1868.545470][T16241] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1868.545794][T16241] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1868.546120][T16241] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1868.546449][T16241] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1868.546804][T16241] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1868.547164][T16241] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1868.547532][T16241] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1868.547852][T16241] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1868.548224][T16241] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1868.548544][T16241] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1868.548885][T16241] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1868.549219][T16241] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1868.549591][T16241] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1868.549934][T16241] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1868.550276][T16241] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1868.550614][T16241] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1868.550931][T16241] ? 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) 
[1868.551288][T16241] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1868.551637][T16241] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1868.551964][T16241] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1868.552346][T16241] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1868.552680][T16241] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1868.552997][T16241] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1868.553377][T16241] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1868.553725][T16241] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1868.554039][T16241] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1868.554487][T16241] ___sys_sendmsg (net/socket.c:2670) 
[1868.554821][T16241] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1868.555168][T16241] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1868.555514][T16241] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1868.555835][T16241] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1868.556200][T16241] ? __handle_mm_fault (mm/memory.c:6212) 
[1868.556527][T16241] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1868.556863][T16241] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1868.557224][T16241] __sys_sendmsg (net/socket.c:2700) 
[1868.557544][T16241] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1868.557861][T16241] ? 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) 
[1868.558207][T16241] ? 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) 
[1868.558534][T16241] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1868.558855][T16241] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1868.559195][T16241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1868.559616][T16241] RIP: 0033:0x7f079a2fe1e7
[ 1868.559972][T16241] 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)
[ 1868.561149][T16241] RSP: 002b:00007ffe856223a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1868.561667][T16241] RAX: ffffffffffffffda RBX: 00007ffe85622ae0 RCX: 00007f079a2fe1e7
[ 1868.562160][T16241] RDX: 0000000000000000 RSI: 00007ffe85622410 RDI: 0000000000000005
[ 1868.562660][T16241] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1868.563165][T16241] R10: 00007f079a38cac0 R11: 0000000000000246 R12: 00007ffe85622b18
[ 1868.563658][T16241] R13: 00000000686e64a6 R14: 0000000000499600 R15: 00007ffe85622500
| [ 1876.026683][T16306] ------------[ cut here ]------------
| [1876.027015][T16306] WARNING: CPU: 2 PID: 16306 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) 
| [ 1876.027639][T16306] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1876.028946][T16306] Tainted: [W]=WARN
[ 1876.029626][T16306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1876.030028][T16306] 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) 
[ 1876.030363][T16306] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1876.031462][T16306] RSP: 0018:ffffc9000821f080 EFLAGS: 00010246
[ 1876.031858][T16306] RAX: 0000000000000000 RBX: ffff88801aab2000 RCX: 0000000000000001
[ 1876.032344][T16306] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1876.032807][T16306] RBP: ffffc9000821f168 R08: 0000000000000000 R09: 0000000000000000
[ 1876.033286][T16306] R10: ffffc9000821f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001043e14
[ 1876.033751][T16306] R13: 00000000000005dc R14: ffffc9000821f198 R15: ffff88801aab2f48
[ 1876.034224][T16306] FS:  00007f2cec795800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 1876.034763][T16306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1876.035164][T16306] CR2: 00007f2cec980ba0 CR3: 0000000015c69004 CR4: 0000000000772ef0
[ 1876.035641][T16306] PKRU: 55555554
[ 1876.035880][T16306] Call Trace:
[ 1876.036140][T16306]  <TASK>
[1876.036313][T16306] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1876.036632][T16306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1876.036961][T16306] netif_set_mtu (net/core/dev.c:9652) 
[1876.037292][T16306] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1876.037623][T16306] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1876.037876][T16306] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1876.038208][T16306] br_add_if (net/bridge/br_if.c:697) 
[1876.038468][T16306] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1876.038784][T16306] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1876.039116][T16306] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1876.039435][T16306] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1876.039745][T16306] ? __dev_get_by_name (net/core/dev.c:865) 
[1876.040074][T16306] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1876.040411][T16306] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1876.040733][T16306] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1876.041050][T16306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1876.041381][T16306] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1876.041703][T16306] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1876.042026][T16306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1876.042361][T16306] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1876.042679][T16306] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1876.042993][T16306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1876.043320][T16306] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1876.043635][T16306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1876.043963][T16306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1876.044310][T16306] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1876.044627][T16306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1876.044949][T16306] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1876.045292][T16306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1876.045605][T16306] ? 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) 
[1876.045925][T16306] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1876.046254][T16306] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1876.046571][T16306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1876.046888][T16306] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1876.047226][T16306] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1876.047541][T16306] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1876.047863][T16306] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1876.048201][T16306] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1876.048523][T16306] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1876.048934][T16306] ___sys_sendmsg (net/socket.c:2670) 
[1876.049264][T16306] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1876.049591][T16306] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1876.049912][T16306] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1876.050243][T16306] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1876.050564][T16306] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1876.050886][T16306] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1876.051222][T16306] __sys_sendmsg (net/socket.c:2700) 
[1876.051537][T16306] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1876.051865][T16306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1876.052208][T16306] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1876.052538][T16306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1876.052924][T16306] RIP: 0033:0x7f2cec9621e7
[ 1876.053262][T16306] 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)
[ 1876.054381][T16306] RSP: 002b:00007fffc83858e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1876.054851][T16306] RAX: ffffffffffffffda RBX: 00007fffc8386020 RCX: 00007f2cec9621e7
[ 1876.055326][T16306] RDX: 0000000000000000 RSI: 00007fffc8385950 RDI: 0000000000000005
[ 1876.055790][T16306] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1876.056280][T16306] R10: 00007f2cec9f0ac0 R11: 0000000000000246 R12: 00007fffc8386058
[ 1876.056754][T16306] R13: 00000000686e64ae R14: 0000000000499600 R15: 00007fffc8385a40
| [ 1880.469065][T16336] ------------[ cut here ]------------
| [1880.469424][T16336] WARNING: CPU: 3 PID: 16336 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) 
| [ 1880.470084][T16336] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1880.471877][T16336] Tainted: [W]=WARN
[ 1880.472141][T16336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1880.472541][T16336] 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) 
[ 1880.472869][T16336] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1880.474010][T16336] RSP: 0018:ffffc9000839f080 EFLAGS: 00010246
[ 1880.474437][T16336] RAX: 0000000000000000 RBX: ffff88800ad9a000 RCX: 0000000000000001
[ 1880.474923][T16336] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1880.475407][T16336] RBP: ffffc9000839f168 R08: 0000000000000000 R09: 0000000000000000
[ 1880.475885][T16336] R10: ffffc9000839f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001073e14
[ 1880.476378][T16336] R13: 00000000000005dc R14: ffffc9000839f198 R15: ffff88800ad9af48
[ 1880.476857][T16336] FS:  00007f8663a0f800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 1880.477429][T16336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1880.477834][T16336] CR2: 00007f8663bfaba0 CR3: 0000000009c71002 CR4: 0000000000772ef0
[ 1880.478325][T16336] PKRU: 55555554
[ 1880.478585][T16336] Call Trace:
[ 1880.478828][T16336]  <TASK>
[1880.478994][T16336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1880.479325][T16336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1880.479660][T16336] netif_set_mtu (net/core/dev.c:9652) 
[1880.480001][T16336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1880.480347][T16336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1880.480591][T16336] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1880.480923][T16336] br_add_if (net/bridge/br_if.c:697) 
[1880.481186][T16336] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1880.481505][T16336] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1880.481827][T16336] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1880.482162][T16336] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1880.482482][T16336] ? __dev_get_by_name (net/core/dev.c:865) 
[1880.482804][T16336] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1880.483135][T16336] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1880.483473][T16336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1880.483788][T16336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1880.484128][T16336] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1880.484462][T16336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1880.484784][T16336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1880.485135][T16336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1880.485456][T16336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1880.485786][T16336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1880.486120][T16336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1880.486442][T16336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1880.486766][T16336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1880.487088][T16336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1880.487422][T16336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1880.487746][T16336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1880.488074][T16336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1880.488414][T16336] ? 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) 
[1880.488733][T16336] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1880.489057][T16336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1880.489391][T16336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1880.489717][T16336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1880.490055][T16336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1880.490386][T16336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1880.490723][T16336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1880.491048][T16336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1880.491383][T16336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1880.491789][T16336] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[1880.492200][T16336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[1880.492526][T16336] ___sys_sendmsg (net/socket.c:2670) 
[1880.492849][T16336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1880.493194][T16336] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[1880.493517][T16336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[1880.493835][T16336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1880.494178][T16336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1880.494500][T16336] ? rcu_do_batch (kernel/rcu/tree_nocb.h:1636 kernel/rcu/tree.c:2642) 
[1880.494817][T16336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[1880.495160][T16336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1880.495491][T16336] __sys_sendmsg (net/socket.c:2700) 
[1880.495812][T16336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1880.496141][T16336] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[1880.496462][T16336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[1880.496785][T16336] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:426 kernel/softirq.c:607) 
[1880.497131][T16336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1880.497452][T16336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1880.497783][T16336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1880.498196][T16336] RIP: 0033:0x7f8663bdc1e7
[ 1880.498527][T16336] 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)
[ 1880.499680][T16336] RSP: 002b:00007fff50f31e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1880.500189][T16336] RAX: ffffffffffffffda RBX: 00007fff50f325b0 RCX: 00007f8663bdc1e7
[ 1880.500668][T16336] RDX: 0000000000000000 RSI: 00007fff50f31ee0 RDI: 0000000000000005
[ 1880.501162][T16336] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1880.501640][T16336] R10: 00007f8663c6aac0 R11: 0000000000000246 R12: 00007fff50f325e8
[ 1880.502138][T16336] R13: 00000000686e64b2 R14: 0000000000499600 R15: 00007fff50f31fd0
| [ 1900.883261][T16509] ------------[ cut here ]------------
| [1900.883596][T16509] WARNING: CPU: 2 PID: 16509 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) 
| [ 1900.884232][T16509] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1900.885549][T16509] Tainted: [W]=WARN
[ 1900.885803][T16509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1900.887011][T16509] 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) 
[ 1900.887365][T16509] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1900.888487][T16509] RSP: 0018:ffffc9000894f080 EFLAGS: 00010246
[ 1900.888894][T16509] RAX: 0000000000000000 RBX: ffff88800a03a000 RCX: 0000000000000001
[ 1900.889411][T16509] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1900.889879][T16509] RBP: ffffc9000894f168 R08: 0000000000000000 R09: 0000000000000000
[ 1900.890378][T16509] R10: ffffc9000894f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001129e14
[ 1900.890854][T16509] R13: 00000000000005dc R14: ffffc9000894f198 R15: ffff88800a03af48
[ 1900.891343][T16509] FS:  00007fd7b1901800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 1900.891888][T16509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1900.892297][T16509] CR2: 00007fd7b1a01130 CR3: 000000000ba7c002 CR4: 0000000000772ef0
[ 1900.892774][T16509] PKRU: 55555554
[ 1900.893018][T16509] Call Trace:
[ 1900.893294][T16509]  <TASK>
[1900.893469][T16509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1900.893794][T16509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1900.894141][T16509] netif_set_mtu (net/core/dev.c:9652) 
[1900.894457][T16509] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1900.894792][T16509] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1900.895037][T16509] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1900.895375][T16509] br_add_if (net/bridge/br_if.c:697) 
[1900.895628][T16509] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1900.895961][T16509] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1900.896301][T16509] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1900.896630][T16509] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1900.896945][T16509] ? __dev_get_by_name (net/core/dev.c:865) 
[1900.897279][T16509] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1900.897601][T16509] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1900.897923][T16509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1900.898250][T16509] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1900.898580][T16509] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1900.898909][T16509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1900.899251][T16509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1900.899585][T16509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1900.899898][T16509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1900.900249][T16509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1900.900571][T16509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1900.900891][T16509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1900.901241][T16509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1900.901569][T16509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1900.901889][T16509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1900.902221][T16509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1900.902553][T16509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1900.902873][T16509] ? 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) 
[1900.903212][T16509] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1900.903536][T16509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1900.903849][T16509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1900.904186][T16509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1900.904511][T16509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1900.904831][T16509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1900.905170][T16509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1900.905494][T16509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1900.905820][T16509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1900.906247][T16509] ___sys_sendmsg (net/socket.c:2670) 
[1900.906566][T16509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1900.906886][T16509] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1900.907219][T16509] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1900.907539][T16509] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1900.907874][T16509] ? __handle_mm_fault (mm/memory.c:6212) 
[1900.908202][T16509] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1900.908523][T16509] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1900.908866][T16509] __sys_sendmsg (net/socket.c:2700) 
[1900.909199][T16509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1900.910290][T16509] ? 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) 
[1900.910622][T16509] ? 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) 
[1900.910955][T16509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1900.911292][T16509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1900.911615][T16509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1900.912008][T16509] RIP: 0033:0x7fd7b1ace1e7
[ 1900.912351][T16509] 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)
[ 1900.913467][T16509] RSP: 002b:00007ffd457c0488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1900.913940][T16509] RAX: ffffffffffffffda RBX: 00007ffd457c0bc0 RCX: 00007fd7b1ace1e7
[ 1900.914419][T16509] RDX: 0000000000000000 RSI: 00007ffd457c04f0 RDI: 0000000000000005
[ 1900.914889][T16509] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1900.915374][T16509] R10: 00007fd7b1b5cac0 R11: 0000000000000246 R12: 00007ffd457c0bf8
[ 1900.915845][T16509] R13: 00000000686e64c7 R14: 0000000000499600 R15: 00007ffd457c05e0
| [ 1905.209939][T16539] ------------[ cut here ]------------
| [1905.210330][T16539] WARNING: CPU: 2 PID: 16539 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) 
| [ 1905.210964][T16539] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1905.212270][T16539] Tainted: [W]=WARN
[ 1905.212519][T16539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1905.212916][T16539] 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) 
[ 1905.213266][T16539] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1905.214367][T16539] RSP: 0018:ffffc90008acf080 EFLAGS: 00010246
[ 1905.214764][T16539] RAX: 0000000000000000 RBX: ffff88801bbfa000 RCX: 0000000000000001
[ 1905.215247][T16539] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1905.215715][T16539] RBP: ffffc90008acf168 R08: 0000000000000000 R09: 0000000000000000
[ 1905.216192][T16539] R10: ffffc90008acf198 R11: ffffffff8bf8d1e0 R12: 1ffff92001159e14
[ 1905.216657][T16539] R13: 00000000000005dc R14: ffffc90008acf198 R15: ffff88801bbfaf48
[ 1905.217144][T16539] FS:  00007fd3a872b800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 1905.217686][T16539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1905.218079][T16539] CR2: 000000000043d940 CR3: 000000001aad2004 CR4: 0000000000772ef0
[ 1905.218555][T16539] PKRU: 55555554
[ 1905.218795][T16539] Call Trace:
[ 1905.219036][T16539]  <TASK>
[1905.219220][T16539] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1905.219543][T16539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1905.219875][T16539] netif_set_mtu (net/core/dev.c:9652) 
[1905.220258][T16539] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1905.220592][T16539] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1905.220835][T16539] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1905.221169][T16539] br_add_if (net/bridge/br_if.c:697) 
[1905.221423][T16539] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1905.221741][T16539] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1905.222068][T16539] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1905.222399][T16539] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1905.222742][T16539] ? __dev_get_by_name (net/core/dev.c:865) 
[1905.223061][T16539] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1905.223386][T16539] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1905.223711][T16539] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1905.224024][T16539] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1905.224365][T16539] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1905.224690][T16539] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1905.225011][T16539] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1905.225349][T16539] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1905.225665][T16539] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1905.225983][T16539] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1905.226306][T16539] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1905.226626][T16539] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1905.226953][T16539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1905.227283][T16539] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1905.227600][T16539] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1905.227920][T16539] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1905.228256][T16539] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1905.228574][T16539] ? 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) 
[1905.228903][T16539] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1905.229232][T16539] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1905.229545][T16539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1905.229870][T16539] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1905.230242][T16539] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1905.230560][T16539] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1905.230882][T16539] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1905.231217][T16539] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1905.231543][T16539] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1905.231947][T16539] ___sys_sendmsg (net/socket.c:2670) 
[1905.232273][T16539] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1905.232593][T16539] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1905.232911][T16539] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1905.233241][T16539] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1905.233571][T16539] ? __handle_mm_fault (mm/memory.c:6212) 
[1905.233887][T16539] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1905.234207][T16539] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1905.234547][T16539] __sys_sendmsg (net/socket.c:2700) 
[1905.234862][T16539] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1905.235186][T16539] ? 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) 
[1905.235521][T16539] ? 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) 
[1905.235843][T16539] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1905.236174][T16539] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1905.236492][T16539] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1905.236881][T16539] RIP: 0033:0x7fd3a88f81e7
[ 1905.237219][T16539] 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)
[ 1905.238328][T16539] RSP: 002b:00007ffdfe5f8468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1905.238799][T16539] RAX: ffffffffffffffda RBX: 00007ffdfe5f8ba0 RCX: 00007fd3a88f81e7
[ 1905.239272][T16539] RDX: 0000000000000000 RSI: 00007ffdfe5f84d0 RDI: 0000000000000005
[ 1905.239736][T16539] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1905.240262][T16539] R10: 00007fd3a8986ac0 R11: 0000000000000246 R12: 00007ffdfe5f8bd8
[ 1905.240729][T16539] R13: 00000000686e64cb R14: 0000000000499600 R15: 00007ffdfe5f85c0
| [ 1912.777809][T16605] ------------[ cut here ]------------
| [1912.778132][T16605] WARNING: CPU: 0 PID: 16605 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) 
| [ 1912.778735][T16605] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1912.780007][T16605] Tainted: [W]=WARN
[ 1912.780261][T16605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1912.780645][T16605] 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) 
[ 1912.780955][T16605] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1912.782048][T16605] RSP: 0018:ffffc90008d5f080 EFLAGS: 00010246
[ 1912.782442][T16605] RAX: 0000000000000000 RBX: ffff888019c22000 RCX: 0000000000000001
[ 1912.782891][T16605] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1912.783359][T16605] RBP: ffffc90008d5f168 R08: 0000000000000000 R09: 0000000000000000
[ 1912.783811][T16605] R10: ffffc90008d5f198 R11: ffffffff8bf8d1e0 R12: 1ffff920011abe14
[ 1912.784281][T16605] R13: 00000000000005dc R14: ffffc90008d5f198 R15: ffff888019c22f48
[ 1912.784731][T16605] FS:  00007fdab07b4800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 1912.785273][T16605] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1912.785656][T16605] CR2: 00007fdab099fba0 CR3: 0000000017d48002 CR4: 0000000000772ef0
[ 1912.786122][T16605] PKRU: 55555554
[ 1912.786351][T16605] Call Trace:
[ 1912.786582][T16605]  <TASK>
[1912.786740][T16605] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1912.787041][T16605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1912.787367][T16605] netif_set_mtu (net/core/dev.c:9652) 
[1912.787675][T16605] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1912.787991][T16605] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1912.788239][T16605] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1912.788552][T16605] br_add_if (net/bridge/br_if.c:697) 
[1912.788790][T16605] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1912.789090][T16605] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1912.789407][T16605] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1912.789719][T16605] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1912.790046][T16605] ? __dev_get_by_name (net/core/dev.c:865) 
[1912.790374][T16605] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1912.790677][T16605] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1912.790984][T16605] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1912.791291][T16605] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1912.791602][T16605] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1912.791920][T16605] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1912.792260][T16605] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1912.792575][T16605] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1912.792875][T16605] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1912.793190][T16605] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1912.793491][T16605] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1912.793797][T16605] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1912.794117][T16605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1912.794433][T16605] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1912.794739][T16605] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1912.795043][T16605] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1912.795368][T16605] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1912.795679][T16605] ? 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) 
[1912.795985][T16605] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1912.796313][T16605] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1912.796625][T16605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1912.796934][T16605] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1912.797252][T16605] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1912.797556][T16605] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1912.797868][T16605] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1912.798188][T16605] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1912.798491][T16605] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1912.798891][T16605] ___sys_sendmsg (net/socket.c:2670) 
[1912.799209][T16605] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1912.799516][T16605] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1912.799824][T16605] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1912.800164][T16605] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1912.800471][T16605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1912.800780][T16605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1912.801091][T16605] __sys_sendmsg (net/socket.c:2700) 
[1912.801419][T16605] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1912.801737][T16605] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1912.802040][T16605] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1912.802357][T16605] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1912.802735][T16605] RIP: 0033:0x7fdab09811e7
[ 1912.803049][T16605] 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)
[ 1912.804158][T16605] RSP: 002b:00007ffc7634b918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1912.804619][T16605] RAX: ffffffffffffffda RBX: 00007ffc7634c050 RCX: 00007fdab09811e7
[ 1912.805070][T16605] RDX: 0000000000000000 RSI: 00007ffc7634b980 RDI: 0000000000000005
[ 1912.805536][T16605] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1912.805984][T16605] R10: 00007fdab0a0fac0 R11: 0000000000000246 R12: 00007ffc7634c088
[ 1912.806444][T16605] R13: 00000000686e64d3 R14: 0000000000499600 R15: 00007ffc7634ba70
| [ 1917.167421][T16635] ------------[ cut here ]------------
| [1917.167754][T16635] WARNING: CPU: 0 PID: 16635 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) 
| [ 1917.168373][T16635] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1917.169656][T16635] Tainted: [W]=WARN
[ 1917.169900][T16635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1917.170305][T16635] 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) 
[ 1917.170622][T16635] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1917.171741][T16635] RSP: 0018:ffffc90008e5f080 EFLAGS: 00010246
[ 1917.172143][T16635] RAX: 0000000000000000 RBX: ffff888017bfa000 RCX: 0000000000000001
[ 1917.172599][T16635] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1917.173074][T16635] RBP: ffffc90008e5f168 R08: 0000000000000000 R09: 0000000000000000
[ 1917.173585][T16635] R10: ffffc90008e5f198 R11: ffffffff8bf8d1e0 R12: 1ffff920011cbe14
[ 1917.174065][T16635] R13: 00000000000005dc R14: ffffc90008e5f198 R15: ffff888017bfaf48
[ 1917.174533][T16635] FS:  00007fa3843e4800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 1917.175300][T16635] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1917.175691][T16635] CR2: 00007fa3845cfba0 CR3: 000000001544c005 CR4: 0000000000772ef0
[ 1917.176169][T16635] PKRU: 55555554
[ 1917.176404][T16635] Call Trace:
[ 1917.176629][T16635]  <TASK>
[1917.176800][T16635] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1917.177122][T16635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1917.177441][T16635] netif_set_mtu (net/core/dev.c:9652) 
[1917.177772][T16635] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1917.178092][T16635] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1917.178343][T16635] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1917.178654][T16635] br_add_if (net/bridge/br_if.c:697) 
[1917.178906][T16635] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1917.179222][T16635] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1917.179532][T16635] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1917.179856][T16635] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1917.180182][T16635] ? __dev_get_by_name (net/core/dev.c:865) 
[1917.180487][T16635] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1917.180798][T16635] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1917.181118][T16635] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1917.181424][T16635] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1917.181748][T16635] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1917.182061][T16635] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1917.182393][T16635] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1917.182732][T16635] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1917.183039][T16635] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1917.183355][T16635] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1917.183663][T16635] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1917.183980][T16635] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1917.184416][T16635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1917.184750][T16635] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1917.185056][T16635] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1917.185374][T16635] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1917.185705][T16635] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1917.186013][T16635] ? 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) 
[1917.186331][T16635] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1917.186639][T16635] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1917.186978][T16635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1917.187300][T16635] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1917.187609][T16635] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1917.187925][T16635] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1917.188248][T16635] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1917.188556][T16635] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1917.188865][T16635] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1917.189272][T16635] ___sys_sendmsg (net/socket.c:2670) 
[1917.189576][T16635] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1917.189896][T16635] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1917.190226][T16635] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1917.190526][T16635] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1917.190852][T16635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1917.191174][T16635] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1917.191482][T16635] __sys_sendmsg (net/socket.c:2700) 
[1917.191820][T16635] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1917.192153][T16635] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1917.192467][T16635] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1917.192789][T16635] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1917.193175][T16635] RIP: 0033:0x7fa3845b11e7
[ 1917.193490][T16635] 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)
[ 1917.194599][T16635] RSP: 002b:00007ffedc350438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1917.195068][T16635] RAX: ffffffffffffffda RBX: 00007ffedc350b70 RCX: 00007fa3845b11e7
[ 1917.195534][T16635] RDX: 0000000000000000 RSI: 00007ffedc3504a0 RDI: 0000000000000005
[ 1917.196019][T16635] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1917.196487][T16635] R10: 00007fa38463fac0 R11: 0000000000000246 R12: 00007ffedc350ba8
[ 1917.196950][T16635] R13: 00000000686e64d7 R14: 0000000000499600 R15: 00007ffedc350590
| [ 1937.198848][T16807] ------------[ cut here ]------------
| [1937.199181][T16807] WARNING: CPU: 0 PID: 16807 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) 
| [ 1937.199797][T16807] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1937.201892][T16807] Tainted: [W]=WARN
[ 1937.202132][T16807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1937.202511][T16807] 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) 
[ 1937.202820][T16807] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1937.203923][T16807] RSP: 0018:ffffc9000922f080 EFLAGS: 00010246
[ 1937.204324][T16807] RAX: 0000000000000000 RBX: ffff888017472000 RCX: 0000000000000001
[ 1937.204779][T16807] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1937.205247][T16807] RBP: ffffc9000922f168 R08: 0000000000000000 R09: 0000000000000000
[ 1937.205696][T16807] R10: ffffc9000922f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001245e14
[ 1937.206154][T16807] R13: 00000000000005dc R14: ffffc9000922f198 R15: ffff888017472f48
[ 1937.206604][T16807] FS:  00007f117f84f800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 1937.207160][T16807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1937.207541][T16807] CR2: 000000000043d940 CR3: 000000001a125005 CR4: 0000000000772ef0
[ 1937.207994][T16807] PKRU: 55555554
[ 1937.208234][T16807] Call Trace:
[ 1937.208461][T16807]  <TASK>
[1937.208618][T16807] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1937.208919][T16807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1937.209252][T16807] netif_set_mtu (net/core/dev.c:9652) 
[1937.209554][T16807] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1937.209868][T16807] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1937.210115][T16807] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1937.210423][T16807] br_add_if (net/bridge/br_if.c:697) 
[1937.210662][T16807] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1937.210961][T16807] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1937.211283][T16807] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1937.211600][T16807] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1937.211897][T16807] ? __dev_get_by_name (net/core/dev.c:865) 
[1937.212208][T16807] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1937.212516][T16807] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1937.212861][T16807] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1937.213184][T16807] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1937.213497][T16807] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1937.213821][T16807] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1937.214140][T16807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1937.214462][T16807] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1937.214761][T16807] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1937.215062][T16807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1937.215387][T16807] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1937.215702][T16807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1937.216010][T16807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1937.216337][T16807] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1937.216675][T16807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1937.216981][T16807] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1937.217306][T16807] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1937.217606][T16807] ? 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) 
[1937.217909][T16807] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1937.218222][T16807] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1937.218533][T16807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1937.218841][T16807] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1937.219171][T16807] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1937.219487][T16807] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1937.219796][T16807] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1937.220127][T16807] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1937.220428][T16807] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1937.220858][T16807] ___sys_sendmsg (net/socket.c:2670) 
[1937.221174][T16807] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1937.221475][T16807] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1937.221785][T16807] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1937.222085][T16807] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1937.222401][T16807] ? __handle_mm_fault (mm/memory.c:6212) 
[1937.222706][T16807] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1937.223012][T16807] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1937.223360][T16807] __sys_sendmsg (net/socket.c:2700) 
[1937.223668][T16807] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1937.223970][T16807] ? 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) 
[1937.224289][T16807] ? 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) 
[1937.224619][T16807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1937.224939][T16807] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1937.225261][T16807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1937.225638][T16807] RIP: 0033:0x7f117fa1c1e7
[ 1937.225952][T16807] 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)
[ 1937.227033][T16807] RSP: 002b:00007fff7fc61db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1937.227530][T16807] RAX: ffffffffffffffda RBX: 00007fff7fc624f0 RCX: 00007f117fa1c1e7
[ 1937.227989][T16807] RDX: 0000000000000000 RSI: 00007fff7fc61e20 RDI: 0000000000000005
[ 1937.228458][T16807] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1937.228939][T16807] R10: 00007f117faaaac0 R11: 0000000000000246 R12: 00007fff7fc62528
[ 1937.229409][T16807] R13: 00000000686e64eb R14: 0000000000499600 R15: 00007fff7fc61f10
| [ 1941.741739][T16837] ------------[ cut here ]------------
| [1941.742081][T16837] WARNING: CPU: 0 PID: 16837 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) 
| [ 1941.742789][T16837] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1941.744077][T16837] Tainted: [W]=WARN
[ 1941.744324][T16837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1941.744722][T16837] 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) 
[ 1941.745049][T16837] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1941.746170][T16837] RSP: 0018:ffffc9000955f080 EFLAGS: 00010246
[ 1941.746692][T16837] RAX: 0000000000000000 RBX: ffff888019c22000 RCX: 0000000000000001
[ 1941.747175][T16837] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1941.747662][T16837] RBP: ffffc9000955f168 R08: 0000000000000000 R09: 0000000000000000
[ 1941.748167][T16837] R10: ffffc9000955f198 R11: ffffffff8bf8d1e0 R12: 1ffff920012abe14
[ 1941.748632][T16837] R13: 00000000000005dc R14: ffffc9000955f198 R15: ffff888019c22f48
[ 1941.749086][T16837] FS:  00007f55e9f56800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 1941.749626][T16837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1941.750021][T16837] CR2: 000000000043d940 CR3: 0000000009b5c004 CR4: 0000000000772ef0
[ 1941.750570][T16837] PKRU: 55555554
[ 1941.750863][T16837] Call Trace:
[ 1941.751089][T16837]  <TASK>
[1941.751260][T16837] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1941.751574][T16837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1941.751894][T16837] netif_set_mtu (net/core/dev.c:9652) 
[1941.752206][T16837] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1941.752531][T16837] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1941.752899][T16837] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1941.753257][T16837] br_add_if (net/bridge/br_if.c:697) 
[1941.753517][T16837] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1941.753822][T16837] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1941.754159][T16837] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1941.754536][T16837] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1941.754839][T16837] ? __dev_get_by_name (net/core/dev.c:865) 
[1941.755164][T16837] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1941.755539][T16837] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1941.755854][T16837] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1941.756166][T16837] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1941.756477][T16837] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1941.756801][T16837] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1941.757134][T16837] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1941.757490][T16837] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1941.757795][T16837] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1941.758141][T16837] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1941.758484][T16837] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1941.758840][T16837] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1941.759162][T16837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1941.759472][T16837] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1941.759781][T16837] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1941.760115][T16837] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1941.760444][T16837] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1941.760746][T16837] ? 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) 
[1941.761051][T16837] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1941.761368][T16837] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1941.761674][T16837] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1941.761980][T16837] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1941.762362][T16837] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1941.762700][T16837] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1941.763017][T16837] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1941.763371][T16837] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1941.763670][T16837] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1941.764059][T16837] ___sys_sendmsg (net/socket.c:2670) 
[1941.764372][T16837] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1941.764673][T16837] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1941.765027][T16837] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1941.765340][T16837] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1941.765647][T16837] ? __handle_mm_fault (mm/memory.c:6212) 
[1941.765989][T16837] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1941.766315][T16837] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1941.766730][T16837] __sys_sendmsg (net/socket.c:2700) 
[1941.767077][T16837] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1941.767399][T16837] ? 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) 
[1941.767769][T16837] ? 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) 
[1941.768076][T16837] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1941.768491][T16837] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1941.768846][T16837] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1941.769262][T16837] RIP: 0033:0x7f55ea1231e7
[ 1941.769617][T16837] 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)
[ 1941.770746][T16837] RSP: 002b:00007fffbc35fcc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1941.771268][T16837] RAX: ffffffffffffffda RBX: 00007fffbc360400 RCX: 00007f55ea1231e7
[ 1941.771724][T16837] RDX: 0000000000000000 RSI: 00007fffbc35fd30 RDI: 0000000000000005
[ 1941.772195][T16837] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1941.772671][T16837] R10: 00007f55ea1b1ac0 R11: 0000000000000246 R12: 00007fffbc360438
[ 1941.773136][T16837] R13: 00000000686e64f0 R14: 0000000000499600 R15: 00007fffbc35fe20
| [ 1949.285426][T16902] ------------[ cut here ]------------
| [1949.285765][T16902] WARNING: CPU: 2 PID: 16902 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) 
| [ 1949.286411][T16902] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1949.287719][T16902] Tainted: [W]=WARN
[ 1949.287966][T16902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1949.289001][T16902] 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) 
[ 1949.289344][T16902] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1949.290455][T16902] RSP: 0018:ffffc9000983f080 EFLAGS: 00010246
[ 1949.290852][T16902] RAX: 0000000000000000 RBX: ffff888006282000 RCX: 0000000000000001
[ 1949.291338][T16902] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1949.291815][T16902] RBP: ffffc9000983f168 R08: 0000000000000000 R09: 0000000000000000
[ 1949.292293][T16902] R10: ffffc9000983f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001307e14
[ 1949.292758][T16902] R13: 00000000000005dc R14: ffffc9000983f198 R15: ffff888006282f48
[ 1949.293236][T16902] FS:  00007f803e677800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 1949.293777][T16902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1949.294192][T16902] CR2: 00007f803e862ba0 CR3: 0000000011712005 CR4: 0000000000772ef0
[ 1949.294661][T16902] PKRU: 55555554
[ 1949.294900][T16902] Call Trace:
[ 1949.295161][T16902]  <TASK>
[1949.295338][T16902] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1949.295658][T16902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1949.295987][T16902] netif_set_mtu (net/core/dev.c:9652) 
[1949.296326][T16902] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1949.296658][T16902] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1949.296901][T16902] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1949.297232][T16902] br_add_if (net/bridge/br_if.c:697) 
[1949.297482][T16902] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1949.297798][T16902] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1949.298128][T16902] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1949.298455][T16902] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1949.298766][T16902] ? __dev_get_by_name (net/core/dev.c:865) 
[1949.299083][T16902] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1949.299428][T16902] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1949.299750][T16902] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1949.300071][T16902] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1949.300405][T16902] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1949.300729][T16902] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1949.301054][T16902] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1949.301393][T16902] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1949.301707][T16902] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1949.302023][T16902] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1949.302348][T16902] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1949.302666][T16902] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1949.302987][T16902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1949.303335][T16902] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1949.303662][T16902] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1949.303981][T16902] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1949.304323][T16902] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1949.304637][T16902] ? 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) 
[1949.304955][T16902] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1949.305283][T16902] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1949.305607][T16902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1949.305929][T16902] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1949.306258][T16902] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1949.306606][T16902] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1949.306929][T16902] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1949.307276][T16902] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1949.307596][T16902] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1949.308001][T16902] ___sys_sendmsg (net/socket.c:2670) 
[1949.308341][T16902] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1949.308662][T16902] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1949.308982][T16902] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1949.309310][T16902] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1949.309631][T16902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1949.309955][T16902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1949.310301][T16902] __sys_sendmsg (net/socket.c:2700) 
[1949.310622][T16902] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1949.310949][T16902] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1949.311289][T16902] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1949.311610][T16902] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1949.311998][T16902] RIP: 0033:0x7f803e8441e7
[ 1949.312333][T16902] 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)
[ 1949.313440][T16902] RSP: 002b:00007ffc3db3f108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1949.313915][T16902] RAX: ffffffffffffffda RBX: 00007ffc3db3f840 RCX: 00007f803e8441e7
[ 1949.314395][T16902] RDX: 0000000000000000 RSI: 00007ffc3db3f170 RDI: 0000000000000005
[ 1949.314869][T16902] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1949.315359][T16902] R10: 00007f803e8d2ac0 R11: 0000000000000246 R12: 00007ffc3db3f878
[ 1949.315828][T16902] R13: 00000000686e64f7 R14: 0000000000499600 R15: 00007ffc3db3f260
| [ 1953.699977][T16932] ------------[ cut here ]------------
| [1953.700357][T16932] WARNING: CPU: 3 PID: 16932 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) 
| [ 1953.701003][T16932] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1953.702355][T16932] Tainted: [W]=WARN
[ 1953.702597][T16932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1953.702997][T16932] 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) 
[ 1953.703344][T16932] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1953.704495][T16932] RSP: 0018:ffffc9000998f080 EFLAGS: 00010246
[ 1953.704901][T16932] RAX: 0000000000000000 RBX: ffff8880127aa000 RCX: 0000000000000001
[ 1953.705422][T16932] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1953.705903][T16932] RBP: ffffc9000998f168 R08: 0000000000000000 R09: 0000000000000000
[ 1953.706391][T16932] R10: ffffc9000998f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001331e14
[ 1953.706872][T16932] R13: 00000000000005dc R14: ffffc9000998f198 R15: ffff8880127aaf48
[ 1953.707376][T16932] FS:  00007eff151a5800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 1953.707916][T16932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1953.708309][T16932] CR2: 00007eff15390ba0 CR3: 0000000012f6d005 CR4: 0000000000772ef0
[ 1953.708763][T16932] PKRU: 55555554
[ 1953.708988][T16932] Call Trace:
[ 1953.709240][T16932]  <TASK>
[1953.709399][T16932] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1953.709709][T16932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1953.710038][T16932] netif_set_mtu (net/core/dev.c:9652) 
[1953.710351][T16932] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1953.710669][T16932] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1953.710898][T16932] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1953.711214][T16932] br_add_if (net/bridge/br_if.c:697) 
[1953.711454][T16932] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1953.711759][T16932] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1953.712068][T16932] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1953.712382][T16932] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1953.712681][T16932] ? __dev_get_by_name (net/core/dev.c:865) 
[1953.712982][T16932] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1953.713320][T16932] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1953.713646][T16932] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1953.713959][T16932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1953.714293][T16932] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1953.714630][T16932] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1953.714952][T16932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1953.715293][T16932] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1953.715610][T16932] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1953.715931][T16932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1953.716264][T16932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1953.716590][T16932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1953.716912][T16932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1953.717252][T16932] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1953.717560][T16932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1953.717865][T16932] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1953.718197][T16932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1953.718510][T16932] ? 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) 
[1953.718826][T16932] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1953.719140][T16932] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1953.719440][T16932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1953.719745][T16932] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1953.720096][T16932] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1953.720410][T16932] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1953.720722][T16932] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1953.721031][T16932] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1953.721360][T16932] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1953.721751][T16932] ___sys_sendmsg (net/socket.c:2670) 
[1953.722060][T16932] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1953.722392][T16932] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1953.722711][T16932] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1953.723023][T16932] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1953.723343][T16932] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1953.723652][T16932] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1953.723956][T16932] __sys_sendmsg (net/socket.c:2700) 
[1953.724273][T16932] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1953.724587][T16932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1953.724889][T16932] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1953.725225][T16932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1953.725612][T16932] RIP: 0033:0x7eff153721e7
[ 1953.725931][T16932] 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)
[ 1953.727032][T16932] RSP: 002b:00007ffe5a80e838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1953.727496][T16932] RAX: ffffffffffffffda RBX: 00007ffe5a80ef70 RCX: 00007eff153721e7
[ 1953.727954][T16932] RDX: 0000000000000000 RSI: 00007ffe5a80e8a0 RDI: 0000000000000005
[ 1953.728414][T16932] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1953.728868][T16932] R10: 00007eff15400ac0 R11: 0000000000000246 R12: 00007ffe5a80efa8
[ 1953.729337][T16932] R13: 00000000686e64fc R14: 0000000000499600 R15: 00007ffe5a80e990
| [ 1973.888643][T17104] ------------[ cut here ]------------
| [1973.889013][T17104] WARNING: CPU: 3 PID: 17104 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) 
| [ 1973.889780][T17104] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1973.891427][T17104] Tainted: [W]=WARN
[ 1973.891736][T17104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1973.892197][T17104] 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) 
[ 1973.892545][T17104] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1973.893797][T17104] RSP: 0018:ffffc90009dcf080 EFLAGS: 00010246
[ 1973.894274][T17104] RAX: 0000000000000000 RBX: ffff888017e4a000 RCX: 0000000000000001
[ 1973.894785][T17104] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1973.895331][T17104] RBP: ffffc90009dcf168 R08: 0000000000000000 R09: 0000000000000000
[ 1973.895839][T17104] R10: ffffc90009dcf198 R11: ffffffff8bf8d1e0 R12: 1ffff920013b9e14
[ 1973.896370][T17104] R13: 00000000000005dc R14: ffffc90009dcf198 R15: ffff888017e4af48
[ 1973.896906][T17104] FS:  00007f32f1147800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 1973.897577][T17104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1973.898015][T17104] CR2: 000000000043d940 CR3: 000000000bbc0004 CR4: 0000000000772ef0
[ 1973.898538][T17104] PKRU: 55555554
[ 1973.898800][T17104] Call Trace:
[ 1973.899053][T17104]  <TASK>
[1973.899242][T17104] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1973.899591][T17104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1973.899949][T17104] netif_set_mtu (net/core/dev.c:9652) 
[1973.900423][T17104] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1973.900779][T17104] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1973.901039][T17104] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1973.901394][T17104] br_add_if (net/bridge/br_if.c:697) 
[1973.901656][T17104] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1973.901995][T17104] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1973.902347][T17104] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1973.902701][T17104] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1973.903080][T17104] ? __dev_get_by_name (net/core/dev.c:865) 
[1973.903426][T17104] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1973.903766][T17104] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1973.904128][T17104] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1973.904491][T17104] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1973.904860][T17104] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1973.905221][T17104] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1973.905580][T17104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1973.905949][T17104] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1973.906302][T17104] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1973.906642][T17104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1973.907010][T17104] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1973.907362][T17104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1973.907705][T17104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1973.908054][T17104] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1973.908412][T17104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1973.908752][T17104] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1973.909113][T17104] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1973.909457][T17104] ? 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) 
[1973.909796][T17104] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1973.911008][T17104] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1973.911368][T17104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1973.911798][T17104] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1973.912215][T17104] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1973.912588][T17104] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1973.912973][T17104] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1973.914292][T17104] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1973.914635][T17104] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1973.915113][T17104] ___sys_sendmsg (net/socket.c:2670) 
[1973.915468][T17104] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1973.915808][T17104] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1973.916936][T17104] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1973.917283][T17104] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1973.917668][T17104] ? __handle_mm_fault (mm/memory.c:6212) 
[1973.918056][T17104] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1973.918433][T17104] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1973.918799][T17104] __sys_sendmsg (net/socket.c:2700) 
[1973.919189][T17104] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1973.919535][T17104] ? 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) 
[1973.919884][T17104] ? 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) 
[1973.920248][T17104] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1973.920599][T17104] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1973.920945][T17104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1973.921384][T17104] RIP: 0033:0x7f32f13141e7
[ 1973.921766][T17104] 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)
[ 1973.923039][T17104] RSP: 002b:00007fff0913f8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1973.924358][T17104] RAX: ffffffffffffffda RBX: 00007fff09140010 RCX: 00007f32f13141e7
[ 1973.924870][T17104] RDX: 0000000000000000 RSI: 00007fff0913f940 RDI: 0000000000000005
[ 1973.925464][T17104] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1973.925976][T17104] R10: 00007f32f13a2ac0 R11: 0000000000000246 R12: 00007fff09140048
[ 1973.926520][T17104] R13: 00000000686e6510 R14: 0000000000499600 R15: 00007fff0913fa30
| [ 1978.312836][T17134] ------------[ cut here ]------------
| [1978.313262][T17134] WARNING: CPU: 2 PID: 17134 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) 
| [ 1978.313950][T17134] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1978.315959][T17134] Tainted: [W]=WARN
[ 1978.316237][T17134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1978.316676][T17134] 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) 
[ 1978.317041][T17134] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1978.318249][T17134] RSP: 0018:ffffc90009faf080 EFLAGS: 00010246
[ 1978.318685][T17134] RAX: 0000000000000000 RBX: ffff888016552000 RCX: 0000000000000001
[ 1978.319210][T17134] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1978.319728][T17134] RBP: ffffc90009faf168 R08: 0000000000000000 R09: 0000000000000000
[ 1978.320259][T17134] R10: ffffc90009faf198 R11: ffffffff8bf8d1e0 R12: 1ffff920013f5e14
[ 1978.320772][T17134] R13: 00000000000005dc R14: ffffc90009faf198 R15: ffff888016552f48
[ 1978.321298][T17134] FS:  00007fb2b3c2c800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 1978.321908][T17134] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1978.322360][T17134] CR2: 000000000043d940 CR3: 00000000180de006 CR4: 0000000000772ef0
[ 1978.322876][T17134] PKRU: 55555554
[ 1978.323149][T17134] Call Trace:
[ 1978.323408][T17134]  <TASK>
[1978.323595][T17134] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1978.323949][T17134] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1978.324306][T17134] netif_set_mtu (net/core/dev.c:9652) 
[1978.324636][T17134] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1978.324982][T17134] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1978.325257][T17134] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1978.325595][T17134] br_add_if (net/bridge/br_if.c:697) 
[1978.325859][T17134] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1978.326208][T17134] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1978.326558][T17134] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1978.326888][T17134] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1978.327225][T17134] ? __dev_get_by_name (net/core/dev.c:865) 
[1978.327555][T17134] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1978.327885][T17134] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1978.328226][T17134] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1978.328552][T17134] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1978.328890][T17134] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1978.329237][T17134] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1978.329571][T17134] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1978.329914][T17134] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1978.330275][T17134] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1978.330611][T17134] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1978.330937][T17134] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1978.331277][T17134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1978.331619][T17134] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1978.331963][T17134] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1978.332302][T17134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1978.332654][T17134] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1978.333007][T17134] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1978.333346][T17134] ? 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) 
[1978.333685][T17134] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1978.334036][T17134] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1978.334394][T17134] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1978.334741][T17134] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1978.335081][T17134] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1978.335438][T17134] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1978.335792][T17134] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1978.336152][T17134] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1978.336503][T17134] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1978.336943][T17134] ___sys_sendmsg (net/socket.c:2670) 
[1978.337309][T17134] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1978.337647][T17134] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1978.337980][T17134] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1978.338338][T17134] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1978.338675][T17134] ? __handle_mm_fault (mm/memory.c:6212) 
[1978.339017][T17134] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1978.339356][T17134] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1978.339722][T17134] __sys_sendmsg (net/socket.c:2700) 
[1978.340066][T17134] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1978.340418][T17134] ? 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) 
[1978.340762][T17134] ? 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) 
[1978.341108][T17134] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1978.341466][T17134] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1978.341810][T17134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1978.342278][T17134] RIP: 0033:0x7fb2b3df91e7
[ 1978.342644][T17134] 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)
[ 1978.343852][T17134] RSP: 002b:00007ffda86e63f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1978.344379][T17134] RAX: ffffffffffffffda RBX: 00007ffda86e6b30 RCX: 00007fb2b3df91e7
[ 1978.344893][T17134] RDX: 0000000000000000 RSI: 00007ffda86e6460 RDI: 0000000000000005
[ 1978.345415][T17134] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 1978.345927][T17134] R10: 00007fb2b3e87ac0 R11: 0000000000000246 R12: 00007ffda86e6b68
[ 1978.346459][T17134] R13: 00000000686e6514 R14: 0000000000499600 R15: 00007ffda86e6550
| [ 1985.755010][T17200] ------------[ cut here ]------------
| [1985.755705][T17200] WARNING: CPU: 1 PID: 17200 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) 
| [ 1985.756772][T17200] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1985.759021][T17200] Tainted: [W]=WARN
[ 1985.759452][T17200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1985.760161][T17200] 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) 
[ 1985.760711][T17200] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1985.762946][T17200] RSP: 0018:ffffc9000a2af080 EFLAGS: 00010246
[ 1985.763921][T17200] RAX: 0000000000000000 RBX: ffff888018352000 RCX: 0000000000000001
[ 1985.765131][T17200] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1985.765955][T17200] RBP: ffffc9000a2af168 R08: 0000000000000000 R09: 0000000000000000
[ 1985.767061][T17200] R10: ffffc9000a2af198 R11: ffffffff8bf8d1e0 R12: 1ffff92001455e14
[ 1985.767969][T17200] R13: 00000000000005dc R14: ffffc9000a2af198 R15: ffff888018352f48
[ 1985.768822][T17200] FS:  00007f13e89cc800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[ 1985.769792][T17200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1985.770497][T17200] CR2: 00007f13e8bb7ba0 CR3: 0000000005034006 CR4: 0000000000772ef0
[ 1985.771284][T17200] PKRU: 55555554
[ 1985.771697][T17200] Call Trace:
[ 1985.772136][T17200]  <TASK>
[1985.772422][T17200] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1985.772974][T17200] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1985.773562][T17200] netif_set_mtu (net/core/dev.c:9652) 
[1985.774121][T17200] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1985.774689][T17200] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1985.775150][T17200] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1985.775708][T17200] br_add_if (net/bridge/br_if.c:697) 
[1985.776160][T17200] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1985.776684][T17200] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1985.777240][T17200] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1985.777777][T17200] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1985.778344][T17200] ? __dev_get_by_name (net/core/dev.c:865) 
[1985.778891][T17200] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1985.779444][T17200] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1985.780011][T17200] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1985.780564][T17200] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1985.781095][T17200] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1985.781643][T17200] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1985.782211][T17200] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1985.782790][T17200] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1985.783340][T17200] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1985.783881][T17200] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1985.784422][T17200] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1985.784960][T17200] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1985.785526][T17200] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1985.786082][T17200] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1985.786665][T17200] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1985.787224][T17200] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1985.787800][T17200] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1985.788365][T17200] ? 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) 
[1985.788896][T17200] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1985.789456][T17200] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1985.790003][T17200] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1985.790589][T17200] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1985.791155][T17200] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1985.791687][T17200] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1985.792267][T17200] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1985.792825][T17200] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1985.793385][T17200] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1985.794077][T17200] ___sys_sendmsg (net/socket.c:2670) 
[1985.794623][T17200] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1985.795181][T17200] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1985.795740][T17200] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1985.796399][T17200] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1985.796957][T17200] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1985.797518][T17200] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1985.798060][T17200] __sys_sendmsg (net/socket.c:2700) 
[1985.798631][T17200] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1985.799233][T17200] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1985.799761][T17200] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1985.800336][T17200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1985.800989][T17200] RIP: 0033:0x7f13e8b991e7
[ 1985.801539][T17200] 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)
[ 1985.803511][T17200] RSP: 002b:00007ffe5d0a0f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1985.804355][T17200] RAX: ffffffffffffffda RBX: 00007ffe5d0a1640 RCX: 00007f13e8b991e7
[ 1985.805210][T17200] RDX: 0000000000000000 RSI: 00007ffe5d0a0f70 RDI: 0000000000000005
[ 1985.805990][T17200] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1985.806811][T17200] R10: 00007f13e8c27ac0 R11: 0000000000000246 R12: 00007ffe5d0a1678
[ 1985.807638][T17200] R13: 00000000686e651c R14: 0000000000499600 R15: 00007ffe5d0a1060
| [ 1990.077846][T17230] ------------[ cut here ]------------
| [1990.078186][T17230] WARNING: CPU: 3 PID: 17230 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) 
| [ 1990.078798][T17230] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1990.081073][T17230] Tainted: [W]=WARN
[ 1990.081314][T17230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1990.081688][T17230] 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) 
[ 1990.082009][T17230] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 1990.083112][T17230] RSP: 0018:ffffc9000a39f080 EFLAGS: 00010246
[ 1990.083500][T17230] RAX: 0000000000000000 RBX: ffff88801a6a2000 RCX: 0000000000000001
[ 1990.083949][T17230] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 1990.084415][T17230] RBP: ffffc9000a39f168 R08: 0000000000000000 R09: 0000000000000000
[ 1990.084865][T17230] R10: ffffc9000a39f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001473e14
[ 1990.085328][T17230] R13: 00000000000005dc R14: ffffc9000a39f198 R15: ffff88801a6a2f48
[ 1990.085777][T17230] FS:  00007f68857c1800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 1990.086319][T17230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1990.086699][T17230] CR2: 00007f68858c1130 CR3: 0000000016738001 CR4: 0000000000772ef0
[ 1990.087169][T17230] PKRU: 55555554
[ 1990.087397][T17230] Call Trace:
[ 1990.087627][T17230]  <TASK>
[1990.087783][T17230] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1990.088088][T17230] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1990.088411][T17230] netif_set_mtu (net/core/dev.c:9652) 
[1990.088716][T17230] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1990.089032][T17230] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1990.089273][T17230] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[1990.089582][T17230] br_add_if (net/bridge/br_if.c:697) 
[1990.089819][T17230] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[1990.090137][T17230] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[1990.090452][T17230] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[1990.090779][T17230] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[1990.091077][T17230] ? __dev_get_by_name (net/core/dev.c:865) 
[1990.091401][T17230] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1990.091703][T17230] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[1990.092009][T17230] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1990.092319][T17230] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1990.092636][T17230] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[1990.092949][T17230] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1990.093266][T17230] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1990.093581][T17230] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1990.093879][T17230] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1990.094190][T17230] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1990.094494][T17230] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1990.094796][T17230] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1990.095132][T17230] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1990.095441][T17230] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1990.095742][T17230] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1990.096043][T17230] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1990.096363][T17230] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1990.096664][T17230] ? 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) 
[1990.096967][T17230] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[1990.097285][T17230] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1990.097589][T17230] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1990.097895][T17230] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1990.098209][T17230] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1990.098512][T17230] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1990.098824][T17230] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1990.099148][T17230] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1990.099458][T17230] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1990.099846][T17230] ___sys_sendmsg (net/socket.c:2670) 
[1990.100175][T17230] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1990.100501][T17230] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[1990.100812][T17230] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[1990.101140][T17230] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[1990.101448][T17230] ? __handle_mm_fault (mm/memory.c:6212) 
[1990.101760][T17230] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[1990.102078][T17230] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[1990.102417][T17230] __sys_sendmsg (net/socket.c:2700) 
[1990.102721][T17230] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1990.103036][T17230] ? 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) 
[1990.103378][T17230] ? 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) 
[1990.103682][T17230] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1990.104005][T17230] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1990.104321][T17230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1990.104701][T17230] RIP: 0033:0x7f688598e1e7
[ 1990.105027][T17230] 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)
[ 1990.106124][T17230] RSP: 002b:00007ffc90d69798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1990.106584][T17230] RAX: ffffffffffffffda RBX: 00007ffc90d69ed0 RCX: 00007f688598e1e7
[ 1990.107034][T17230] RDX: 0000000000000000 RSI: 00007ffc90d69800 RDI: 0000000000000005
[ 1990.107511][T17230] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 1990.107970][T17230] R10: 00007f6885a1cac0 R11: 0000000000000246 R12: 00007ffc90d69f08
[ 1990.108457][T17230] R13: 00000000686e6520 R14: 0000000000499600 R15: 00007ffc90d698f0
| [ 2009.659474][T17403] ------------[ cut here ]------------
| [2009.659798][T17403] WARNING: CPU: 0 PID: 17403 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) 
| [ 2009.660455][T17403] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2009.661755][T17403] Tainted: [W]=WARN
[ 2009.661994][T17403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2009.663734][T17403] 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) 
[ 2009.664079][T17403] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2009.665185][T17403] RSP: 0018:ffffc9000a93f080 EFLAGS: 00010246
[ 2009.665581][T17403] RAX: 0000000000000000 RBX: ffff88800d91a000 RCX: 0000000000000001
[ 2009.666037][T17403] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2009.666520][T17403] RBP: ffffc9000a93f168 R08: 0000000000000000 R09: 0000000000000000
[ 2009.666985][T17403] R10: ffffc9000a93f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001527e14
[ 2009.667449][T17403] R13: 00000000000005dc R14: ffffc9000a93f198 R15: ffff88800d91af48
[ 2009.667906][T17403] FS:  00007f022a4ed800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2009.668450][T17403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2009.668848][T17403] CR2: 000000000043d940 CR3: 00000000098f5006 CR4: 0000000000772ef0
[ 2009.669328][T17403] PKRU: 55555554
[ 2009.669555][T17403] Call Trace:
[ 2009.669780][T17403]  <TASK>
[2009.669940][T17403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2009.670269][T17403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2009.670598][T17403] netif_set_mtu (net/core/dev.c:9652) 
[2009.670906][T17403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2009.671246][T17403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2009.671481][T17403] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2009.671800][T17403] br_add_if (net/bridge/br_if.c:697) 
[2009.672045][T17403] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2009.672363][T17403] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2009.672672][T17403] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2009.673006][T17403] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2009.673334][T17403] ? __dev_get_by_name (net/core/dev.c:865) 
[2009.673638][T17403] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2009.673940][T17403] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2009.674260][T17403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2009.674562][T17403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2009.674868][T17403] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2009.675192][T17403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2009.675503][T17403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2009.675823][T17403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2009.676132][T17403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2009.676439][T17403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2009.676765][T17403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2009.677078][T17403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2009.677443][T17403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2009.677765][T17403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2009.678123][T17403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2009.678440][T17403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2009.678766][T17403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2009.679071][T17403] ? 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) 
[2009.679386][T17403] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2009.679702][T17403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2009.680006][T17403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2009.680345][T17403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2009.680664][T17403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2009.680972][T17403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2009.681308][T17403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2009.681633][T17403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2009.681939][T17403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2009.682337][T17403] ___sys_sendmsg (net/socket.c:2670) 
[2009.682649][T17403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2009.682957][T17403] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2009.683279][T17403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2009.683592][T17403] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2009.683905][T17403] ? __handle_mm_fault (mm/memory.c:6212) 
[2009.684214][T17403] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2009.684523][T17403] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2009.684856][T17403] __sys_sendmsg (net/socket.c:2700) 
[2009.685183][T17403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2009.685488][T17403] ? 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) 
[2009.685805][T17403] ? 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) 
[2009.686130][T17403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2009.686442][T17403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2009.686747][T17403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2009.687136][T17403] RIP: 0033:0x7f022a6ba1e7
[ 2009.687445][T17403] 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)
[ 2009.688547][T17403] RSP: 002b:00007ffd4de31d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2009.689029][T17403] RAX: ffffffffffffffda RBX: 00007ffd4de32460 RCX: 00007f022a6ba1e7
[ 2009.689509][T17403] RDX: 0000000000000000 RSI: 00007ffd4de31d90 RDI: 0000000000000005
[ 2009.689984][T17403] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2009.690486][T17403] R10: 00007f022a748ac0 R11: 0000000000000246 R12: 00007ffd4de32498
[ 2009.690946][T17403] R13: 00000000686e6534 R14: 0000000000499600 R15: 00007ffd4de31e80
| [ 2013.823892][T17433] ------------[ cut here ]------------
| [2013.824213][T17433] WARNING: CPU: 0 PID: 17433 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) 
| [ 2013.824811][T17433] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2013.826074][T17433] Tainted: [W]=WARN
[ 2013.826332][T17433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2013.826721][T17433] 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) 
[ 2013.827038][T17433] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2013.828979][T17433] RSP: 0018:ffffc9000aabf080 EFLAGS: 00010246
[ 2013.829378][T17433] RAX: 0000000000000000 RBX: ffff888018352000 RCX: 0000000000000001
[ 2013.829829][T17433] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2013.830337][T17433] RBP: ffffc9000aabf168 R08: 0000000000000000 R09: 0000000000000000
[ 2013.830793][T17433] R10: ffffc9000aabf198 R11: ffffffff8bf8d1e0 R12: 1ffff92001557e14
[ 2013.831255][T17433] R13: 00000000000005dc R14: ffffc9000aabf198 R15: ffff888018352f48
[ 2013.831705][T17433] FS:  00007f93c5fd6800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2013.832248][T17433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2013.832626][T17433] CR2: 000000000043d940 CR3: 000000001be87006 CR4: 0000000000772ef0
[ 2013.833081][T17433] PKRU: 55555554
[ 2013.833319][T17433] Call Trace:
[ 2013.833546][T17433]  <TASK>
[2013.833704][T17433] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2013.834009][T17433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2013.834349][T17433] netif_set_mtu (net/core/dev.c:9652) 
[2013.834657][T17433] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2013.834974][T17433] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2013.835213][T17433] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2013.835519][T17433] br_add_if (net/bridge/br_if.c:697) 
[2013.835758][T17433] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2013.836056][T17433] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2013.836372][T17433] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2013.836683][T17433] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2013.836983][T17433] ? __dev_get_by_name (net/core/dev.c:865) 
[2013.837294][T17433] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2013.837595][T17433] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2013.837902][T17433] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2013.838224][T17433] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2013.838532][T17433] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2013.838845][T17433] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2013.839169][T17433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2013.839484][T17433] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2013.839782][T17433] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2013.840092][T17433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2013.840418][T17433] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2013.840721][T17433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2013.841026][T17433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2013.841351][T17433] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2013.841656][T17433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2013.841958][T17433] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2013.842296][T17433] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2013.842598][T17433] ? 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) 
[2013.842900][T17433] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2013.843214][T17433] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2013.843521][T17433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2013.843827][T17433] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2013.844144][T17433] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2013.844456][T17433] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2013.844764][T17433] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2013.845067][T17433] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2013.845377][T17433] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2013.845774][T17433] ___sys_sendmsg (net/socket.c:2670) 
[2013.846082][T17433] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2013.846408][T17433] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2013.846731][T17433] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2013.847037][T17433] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2013.847355][T17433] ? __handle_mm_fault (mm/memory.c:6212) 
[2013.847659][T17433] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2013.847969][T17433] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2013.848301][T17433] __sys_sendmsg (net/socket.c:2700) 
[2013.848605][T17433] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2013.848909][T17433] ? 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) 
[2013.849239][T17433] ? 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) 
[2013.849540][T17433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2013.849845][T17433] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2013.850192][T17433] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2013.850568][T17433] RIP: 0033:0x7f93c61a31e7
[ 2013.850881][T17433] 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)
[ 2013.851962][T17433] RSP: 002b:00007ffc82ed5858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2013.852433][T17433] RAX: ffffffffffffffda RBX: 00007ffc82ed5f90 RCX: 00007f93c61a31e7
[ 2013.852884][T17433] RDX: 0000000000000000 RSI: 00007ffc82ed58c0 RDI: 0000000000000005
[ 2013.853372][T17433] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2013.853822][T17433] R10: 00007f93c6231ac0 R11: 0000000000000246 R12: 00007ffc82ed5fc8
[ 2013.854298][T17433] R13: 00000000686e6538 R14: 0000000000499600 R15: 00007ffc82ed59b0
| [ 2021.070144][T17498] ------------[ cut here ]------------
| [2021.070493][T17498] WARNING: CPU: 0 PID: 17498 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) 
| [ 2021.071116][T17498] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2021.072403][T17498] Tainted: [W]=WARN
[ 2021.072638][T17498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2021.073021][T17498] 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) 
[ 2021.073344][T17498] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2021.074487][T17498] RSP: 0018:ffffc9000aa8f080 EFLAGS: 00010246
[ 2021.074880][T17498] RAX: 0000000000000000 RBX: ffff88800da9a000 RCX: 0000000000000001
[ 2021.075347][T17498] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2021.075807][T17498] RBP: ffffc9000aa8f168 R08: 0000000000000000 R09: 0000000000000000
[ 2021.076478][T17498] R10: ffffc9000aa8f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001551e14
[ 2021.076938][T17498] R13: 00000000000005dc R14: ffffc9000aa8f198 R15: ffff88800da9af48
[ 2021.077396][T17498] FS:  00007f2821357800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2021.077955][T17498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2021.078353][T17498] CR2: 00007f2821542ba0 CR3: 0000000017f2d001 CR4: 0000000000772ef0
[ 2021.078820][T17498] PKRU: 55555554
[ 2021.079044][T17498] Call Trace:
[ 2021.079275][T17498]  <TASK>
[2021.079434][T17498] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2021.079736][T17498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2021.080052][T17498] netif_set_mtu (net/core/dev.c:9652) 
[2021.080377][T17498] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2021.080697][T17498] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2021.080932][T17498] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2021.081245][T17498] br_add_if (net/bridge/br_if.c:697) 
[2021.081485][T17498] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2021.081784][T17498] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2021.082139][T17498] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2021.082451][T17498] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2021.082751][T17498] ? __dev_get_by_name (net/core/dev.c:865) 
[2021.083050][T17498] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2021.083394][T17498] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2021.083702][T17498] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2021.084001][T17498] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2021.084319][T17498] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2021.084637][T17498] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2021.084952][T17498] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2021.085286][T17498] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2021.085592][T17498] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2021.085898][T17498] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2021.086218][T17498] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2021.086524][T17498] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2021.086831][T17498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2021.087156][T17498] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2021.087461][T17498] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2021.087767][T17498] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2021.088230][T17498] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2021.088660][T17498] ? 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) 
[2021.089203][T17498] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2021.089729][T17498] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2021.090304][T17498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2021.090844][T17498] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2021.091397][T17498] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2021.091918][T17498] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2021.092467][T17498] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2021.092977][T17498] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2021.093519][T17498] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2021.094253][T17498] ___sys_sendmsg (net/socket.c:2670) 
[2021.094782][T17498] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2021.095336][T17498] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2021.095865][T17498] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2021.096390][T17498] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2021.096932][T17498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2021.097497][T17498] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2021.098037][T17498] __sys_sendmsg (net/socket.c:2700) 
[2021.098600][T17498] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2021.099188][T17498] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2021.099745][T17498] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2021.100308][T17498] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2021.100957][T17498] RIP: 0033:0x7f28215241e7
[ 2021.101507][T17498] 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)
[ 2021.103430][T17498] RSP: 002b:00007ffc735f6f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2021.104258][T17498] RAX: ffffffffffffffda RBX: 00007ffc735f7640 RCX: 00007f28215241e7
[ 2021.105047][T17498] RDX: 0000000000000000 RSI: 00007ffc735f6f70 RDI: 0000000000000005
[ 2021.105872][T17498] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2021.106615][T17498] R10: 00007f28215b2ac0 R11: 0000000000000246 R12: 00007ffc735f7678
[ 2021.107376][T17498] R13: 00000000686e653f R14: 0000000000499600 R15: 00007ffc735f7060
| [ 2025.262787][T17529] ------------[ cut here ]------------
| [2025.263128][T17529] WARNING: CPU: 3 PID: 17529 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) 
| [ 2025.263757][T17529] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2025.265066][T17529] Tainted: [W]=WARN
[ 2025.265344][T17529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2025.265753][T17529] 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) 
[ 2025.266085][T17529] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2025.267235][T17529] RSP: 0018:ffffc9000a6df080 EFLAGS: 00010246
[ 2025.267638][T17529] RAX: 0000000000000000 RBX: ffff88800ba5a000 RCX: 0000000000000001
[ 2025.268136][T17529] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2025.268615][T17529] RBP: ffffc9000a6df168 R08: 0000000000000000 R09: 0000000000000000
[ 2025.269220][T17529] R10: ffffc9000a6df198 R11: ffffffff8bf8d1e0 R12: 1ffff920014dbe14
[ 2025.269707][T17529] R13: 00000000000005dc R14: ffffc9000a6df198 R15: ffff88800ba5af48
[ 2025.270201][T17529] FS:  00007f3d31a9f800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2025.270818][T17529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2025.271240][T17529] CR2: 00007f3d31c8aba0 CR3: 0000000014720004 CR4: 0000000000772ef0
[ 2025.271734][T17529] PKRU: 55555554
[ 2025.271994][T17529] Call Trace:
[ 2025.272247][T17529]  <TASK>
[2025.272413][T17529] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2025.272730][T17529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2025.273063][T17529] netif_set_mtu (net/core/dev.c:9652) 
[2025.273518][T17529] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2025.273861][T17529] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2025.274125][T17529] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2025.274457][T17529] br_add_if (net/bridge/br_if.c:697) 
[2025.274703][T17529] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2025.275019][T17529] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2025.275352][T17529] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2025.275674][T17529] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2025.276114][T17529] ? __dev_get_by_name (net/core/dev.c:865) 
[2025.276443][T17529] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2025.276770][T17529] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2025.277134][T17529] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2025.277563][T17529] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2025.277885][T17529] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2025.278219][T17529] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2025.278559][T17529] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2025.278885][T17529] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2025.279206][T17529] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2025.279533][T17529] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2025.279873][T17529] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2025.280221][T17529] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2025.280541][T17529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2025.280862][T17529] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2025.281197][T17529] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2025.281516][T17529] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2025.281853][T17529] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2025.282178][T17529] ? 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) 
[2025.282495][T17529] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2025.282812][T17529] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2025.283135][T17529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2025.283458][T17529] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2025.283774][T17529] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2025.284095][T17529] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2025.284435][T17529] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2025.284754][T17529] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2025.285065][T17529] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2025.285493][T17529] ___sys_sendmsg (net/socket.c:2670) 
[2025.285816][T17529] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2025.286142][T17529] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2025.286470][T17529] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2025.286782][T17529] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2025.287114][T17529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2025.287442][T17529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2025.287763][T17529] __sys_sendmsg (net/socket.c:2700) 
[2025.288076][T17529] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2025.288415][T17529] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2025.288735][T17529] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2025.289059][T17529] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2025.289479][T17529] RIP: 0033:0x7f3d31c6c1e7
[ 2025.289816][T17529] 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)
[ 2025.290963][T17529] RSP: 002b:00007fff9ab2ba98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2025.291456][T17529] RAX: ffffffffffffffda RBX: 00007fff9ab2c1d0 RCX: 00007f3d31c6c1e7
[ 2025.291928][T17529] RDX: 0000000000000000 RSI: 00007fff9ab2bb00 RDI: 0000000000000005
[ 2025.292413][T17529] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2025.292890][T17529] R10: 00007f3d31cfaac0 R11: 0000000000000246 R12: 00007fff9ab2c208
[ 2025.293423][T17529] R13: 00000000686e6543 R14: 0000000000499600 R15: 00007fff9ab2bbf0
| [ 2045.227538][T17702] ------------[ cut here ]------------
| [2045.227889][T17702] WARNING: CPU: 0 PID: 17702 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) 
| [ 2045.228539][T17702] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2045.229879][T17702] Tainted: [W]=WARN
[ 2045.231001][T17702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2045.231449][T17702] 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) 
[ 2045.231789][T17702] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2045.232945][T17702] RSP: 0018:ffffc9000a93f080 EFLAGS: 00010246
[ 2045.233380][T17702] RAX: 0000000000000000 RBX: ffff888011e6a000 RCX: 0000000000000001
[ 2045.233893][T17702] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2045.234383][T17702] RBP: ffffc9000a93f168 R08: 0000000000000000 R09: 0000000000000000
[ 2045.234872][T17702] R10: ffffc9000a93f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001527e14
[ 2045.235366][T17702] R13: 00000000000005dc R14: ffffc9000a93f198 R15: ffff888011e6af48
[ 2045.235847][T17702] FS:  00007fc99ca46800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2045.236423][T17702] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2045.236843][T17702] CR2: 000000000043d940 CR3: 000000001bcfe004 CR4: 0000000000772ef0
[ 2045.237358][T17702] PKRU: 55555554
[ 2045.237627][T17702] Call Trace:
[ 2045.237866][T17702]  <TASK>
[2045.238032][T17702] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2045.238366][T17702] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2045.238700][T17702] netif_set_mtu (net/core/dev.c:9652) 
[2045.239022][T17702] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2045.239364][T17702] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2045.239618][T17702] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2045.239937][T17702] br_add_if (net/bridge/br_if.c:697) 
[2045.240210][T17702] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2045.240530][T17702] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2045.240850][T17702] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2045.241195][T17702] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2045.241545][T17702] ? __dev_get_by_name (net/core/dev.c:865) 
[2045.241879][T17702] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2045.242209][T17702] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2045.242534][T17702] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2045.242850][T17702] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2045.243185][T17702] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2045.243514][T17702] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2045.243839][T17702] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2045.244178][T17702] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2045.244501][T17702] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2045.244819][T17702] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2045.245160][T17702] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2045.245500][T17702] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2045.245838][T17702] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2045.246173][T17702] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2045.246494][T17702] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2045.246822][T17702] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2045.247159][T17702] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2045.247475][T17702] ? 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) 
[2045.247795][T17702] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2045.248129][T17702] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2045.248451][T17702] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2045.248772][T17702] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2045.249122][T17702] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2045.249475][T17702] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2045.249806][T17702] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2045.250149][T17702] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2045.250478][T17702] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2045.250886][T17702] ___sys_sendmsg (net/socket.c:2670) 
[2045.251211][T17702] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2045.251535][T17702] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2045.251862][T17702] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2045.252193][T17702] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2045.252524][T17702] ? __handle_mm_fault (mm/memory.c:6212) 
[2045.252846][T17702] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2045.253180][T17702] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2045.253545][T17702] __sys_sendmsg (net/socket.c:2700) 
[2045.253878][T17702] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2045.254205][T17702] ? 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) 
[2045.254535][T17702] ? 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) 
[2045.254855][T17702] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2045.255185][T17702] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2045.255506][T17702] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2045.255896][T17702] RIP: 0033:0x7fc99cc131e7
[ 2045.256245][T17702] 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)
[ 2045.257408][T17702] RSP: 002b:00007fff8e1da4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2045.257903][T17702] RAX: ffffffffffffffda RBX: 00007fff8e1dac20 RCX: 00007fc99cc131e7
[ 2045.258397][T17702] RDX: 0000000000000000 RSI: 00007fff8e1da550 RDI: 0000000000000005
[ 2045.258874][T17702] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2045.259355][T17702] R10: 00007fc99cca1ac0 R11: 0000000000000246 R12: 00007fff8e1dac58
[ 2045.259845][T17702] R13: 00000000686e6557 R14: 0000000000499600 R15: 00007fff8e1da640
| [ 2049.544010][T17732] ------------[ cut here ]------------
| [2049.544890][T17732] WARNING: CPU: 2 PID: 17732 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) 
| [ 2049.545519][T17732] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2049.546793][T17732] Tainted: [W]=WARN
[ 2049.547039][T17732] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2049.547463][T17732] 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) 
[ 2049.547795][T17732] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2049.548897][T17732] RSP: 0018:ffffc9000a30f080 EFLAGS: 00010246
[ 2049.549308][T17732] RAX: 0000000000000000 RBX: ffff88800da9a000 RCX: 0000000000000001
[ 2049.549773][T17732] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2049.550253][T17732] RBP: ffffc9000a30f168 R08: 0000000000000000 R09: 0000000000000000
[ 2049.550728][T17732] R10: ffffc9000a30f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001461e14
[ 2049.551220][T17732] R13: 00000000000005dc R14: ffffc9000a30f198 R15: ffff88800da9af48
[ 2049.551696][T17732] FS:  00007f085c46f800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2049.552261][T17732] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2049.552658][T17732] CR2: 000000000043d940 CR3: 00000000188a0003 CR4: 0000000000772ef0
[ 2049.553139][T17732] PKRU: 55555554
[ 2049.553383][T17732] Call Trace:
[ 2049.553622][T17732]  <TASK>
[2049.553793][T17732] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2049.554125][T17732] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2049.554462][T17732] netif_set_mtu (net/core/dev.c:9652) 
[2049.554775][T17732] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2049.555127][T17732] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2049.555377][T17732] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2049.555703][T17732] br_add_if (net/bridge/br_if.c:697) 
[2049.555954][T17732] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2049.556281][T17732] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2049.556599][T17732] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2049.556924][T17732] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2049.557246][T17732] ? __dev_get_by_name (net/core/dev.c:865) 
[2049.557564][T17732] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2049.557879][T17732] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2049.558210][T17732] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2049.558529][T17732] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2049.558845][T17732] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2049.559198][T17732] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2049.559522][T17732] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2049.559853][T17732] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2049.560183][T17732] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2049.560506][T17732] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2049.560826][T17732] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2049.561153][T17732] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2049.561470][T17732] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2049.561797][T17732] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2049.562123][T17732] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2049.562440][T17732] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2049.562764][T17732] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2049.563080][T17732] ? 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) 
[2049.563417][T17732] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2049.563742][T17732] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2049.564059][T17732] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2049.564393][T17732] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2049.564715][T17732] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2049.565031][T17732] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2049.565362][T17732] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2049.565680][T17732] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2049.565993][T17732] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2049.566408][T17732] ___sys_sendmsg (net/socket.c:2670) 
[2049.566725][T17732] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2049.567040][T17732] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2049.567377][T17732] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2049.567697][T17732] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2049.568015][T17732] ? __handle_mm_fault (mm/memory.c:6212) 
[2049.568341][T17732] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2049.568662][T17732] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2049.568997][T17732] __sys_sendmsg (net/socket.c:2700) 
[2049.569321][T17732] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2049.569637][T17732] ? 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) 
[2049.569960][T17732] ? 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) 
[2049.570294][T17732] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2049.570616][T17732] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2049.570938][T17732] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2049.571346][T17732] RIP: 0033:0x7f085c63c1e7
[ 2049.571678][T17732] 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)
[ 2049.572776][T17732] RSP: 002b:00007ffdc1198728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2049.573262][T17732] RAX: ffffffffffffffda RBX: 00007ffdc1198e60 RCX: 00007f085c63c1e7
[ 2049.573731][T17732] RDX: 0000000000000000 RSI: 00007ffdc1198790 RDI: 0000000000000005
[ 2049.574212][T17732] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2049.574675][T17732] R10: 00007f085c6caac0 R11: 0000000000000246 R12: 00007ffdc1198e98
[ 2049.575168][T17732] R13: 00000000686e655b R14: 0000000000499600 R15: 00007ffdc1198880
| [ 2056.870567][T17797] ------------[ cut here ]------------
| [2056.870894][T17797] WARNING: CPU: 0 PID: 17797 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) 
| [ 2056.871731][T17797] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2056.873397][T17797] Tainted: [W]=WARN
[ 2056.873639][T17797] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2056.874046][T17797] 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) 
[ 2056.874526][T17797] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2056.875837][T17797] RSP: 0018:ffffc9000a0ef080 EFLAGS: 00010246
[ 2056.876398][T17797] RAX: 0000000000000000 RBX: ffff88800d912000 RCX: 0000000000000001
[ 2056.876882][T17797] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2056.877510][T17797] RBP: ffffc9000a0ef168 R08: 0000000000000000 R09: 0000000000000000
[ 2056.877996][T17797] R10: ffffc9000a0ef198 R11: ffffffff8bf8d1e0 R12: 1ffff9200141de14
[ 2056.878631][T17797] R13: 00000000000005dc R14: ffffc9000a0ef198 R15: ffff88800d912f48
[ 2056.879302][T17797] FS:  00007f6377998800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2056.879854][T17797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2056.880273][T17797] CR2: 00007f6377b83ba0 CR3: 000000000b3dc004 CR4: 0000000000772ef0
[ 2056.880752][T17797] PKRU: 55555554
[ 2056.881000][T17797] Call Trace:
[ 2056.881243][T17797]  <TASK>
[2056.881411][T17797] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2056.881733][T17797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2056.882065][T17797] netif_set_mtu (net/core/dev.c:9652) 
[2056.882393][T17797] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2056.882728][T17797] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2056.882970][T17797] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2056.883322][T17797] br_add_if (net/bridge/br_if.c:697) 
[2056.883594][T17797] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2056.883912][T17797] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2056.884241][T17797] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2056.884563][T17797] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2056.884878][T17797] ? __dev_get_by_name (net/core/dev.c:865) 
[2056.885205][T17797] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2056.885522][T17797] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2056.885850][T17797] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2056.886184][T17797] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2056.886508][T17797] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2056.886835][T17797] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2056.887178][T17797] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2056.887512][T17797] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2056.887825][T17797] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2056.888156][T17797] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2056.888482][T17797] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2056.888799][T17797] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2056.889131][T17797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2056.889485][T17797] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2056.889807][T17797] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2056.890144][T17797] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2056.890485][T17797] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2056.890814][T17797] ? 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) 
[2056.891150][T17797] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2056.891476][T17797] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2056.891791][T17797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2056.892133][T17797] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2056.892455][T17797] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2056.892776][T17797] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2056.893123][T17797] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2056.893443][T17797] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2056.893758][T17797] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2056.894177][T17797] ___sys_sendmsg (net/socket.c:2670) 
[2056.894500][T17797] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2056.894819][T17797] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2056.895165][T17797] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2056.895499][T17797] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2056.895824][T17797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2056.896163][T17797] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2056.896487][T17797] __sys_sendmsg (net/socket.c:2700) 
[2056.896808][T17797] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2056.897146][T17797] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2056.897482][T17797] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2056.897804][T17797] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2056.898218][T17797] RIP: 0033:0x7f6377b651e7
[ 2056.898548][T17797] 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)
[ 2056.899692][T17797] RSP: 002b:00007fff73c528f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2056.900208][T17797] RAX: ffffffffffffffda RBX: 00007fff73c53030 RCX: 00007f6377b651e7
[ 2056.900688][T17797] RDX: 0000000000000000 RSI: 00007fff73c52960 RDI: 0000000000000005
[ 2056.901164][T17797] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2056.901643][T17797] R10: 00007f6377bf3ac0 R11: 0000000000000246 R12: 00007fff73c53068
[ 2056.902134][T17797] R13: 00000000686e6563 R14: 0000000000499600 R15: 00007fff73c52a50
| [ 2061.326324][T17827] ------------[ cut here ]------------
| [2061.326714][T17827] WARNING: CPU: 2 PID: 17827 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) 
| [ 2061.327381][T17827] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2061.328726][T17827] Tainted: [W]=WARN
[ 2061.328982][T17827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2061.329410][T17827] 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) 
[ 2061.329758][T17827] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2061.330993][T17827] RSP: 0018:ffffc90009e1f080 EFLAGS: 00010246
[ 2061.331431][T17827] RAX: 0000000000000000 RBX: ffff88801683a000 RCX: 0000000000000001
[ 2061.331924][T17827] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2061.332421][T17827] RBP: ffffc90009e1f168 R08: 0000000000000000 R09: 0000000000000000
[ 2061.332916][T17827] R10: ffffc90009e1f198 R11: ffffffff8bf8d1e0 R12: 1ffff920013c3e14
[ 2061.333407][T17827] R13: 00000000000005dc R14: ffffc90009e1f198 R15: ffff88801683af48
[ 2061.333889][T17827] FS:  00007fe2bfcda800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2061.334510][T17827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2061.334939][T17827] CR2: 00005588bda92dec CR3: 000000001a71d002 CR4: 0000000000772ef0
[ 2061.335438][T17827] PKRU: 55555554
[ 2061.335691][T17827] Call Trace:
[ 2061.335939][T17827]  <TASK>
[2061.336126][T17827] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2061.336465][T17827] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2061.336810][T17827] netif_set_mtu (net/core/dev.c:9652) 
[2061.337161][T17827] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2061.337508][T17827] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2061.337764][T17827] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2061.338106][T17827] br_add_if (net/bridge/br_if.c:697) 
[2061.338369][T17827] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2061.338737][T17827] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2061.339074][T17827] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2061.339428][T17827] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2061.339754][T17827] ? __dev_get_by_name (net/core/dev.c:865) 
[2061.340085][T17827] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2061.340434][T17827] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2061.340768][T17827] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2061.341093][T17827] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2061.341439][T17827] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2061.341778][T17827] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2061.342181][T17827] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2061.342556][T17827] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2061.342891][T17827] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2061.343240][T17827] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2061.343604][T17827] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2061.343937][T17827] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2061.344288][T17827] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2061.344636][T17827] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2061.344968][T17827] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2061.345308][T17827] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2061.345650][T17827] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2061.345975][T17827] ? 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) 
[2061.346318][T17827] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2061.346654][T17827] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2061.347000][T17827] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2061.347345][T17827] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2061.347711][T17827] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2061.348040][T17827] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2061.348393][T17827] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2061.348731][T17827] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2061.349058][T17827] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2061.349494][T17827] ___sys_sendmsg (net/socket.c:2670) 
[2061.349830][T17827] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2061.350180][T17827] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2061.350522][T17827] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2061.350847][T17827] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2061.351195][T17827] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2061.351573][T17827] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2061.351914][T17827] __sys_sendmsg (net/socket.c:2700) 
[2061.352265][T17827] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2061.352606][T17827] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2061.352943][T17827] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2061.353290][T17827] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2061.353693][T17827] RIP: 0033:0x7fe2bfea71e7
[ 2061.354040][T17827] 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)
[ 2061.355198][T17827] RSP: 002b:00007ffc30640a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2061.355719][T17827] RAX: ffffffffffffffda RBX: 00007ffc306411d0 RCX: 00007fe2bfea71e7
[ 2061.356222][T17827] RDX: 0000000000000000 RSI: 00007ffc30640b00 RDI: 0000000000000005
[ 2061.356715][T17827] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2061.357212][T17827] R10: 00007fe2bff35ac0 R11: 0000000000000246 R12: 00007ffc30641208
[ 2061.357699][T17827] R13: 00000000686e6567 R14: 0000000000499600 R15: 00007ffc30640bf0
| [ 2081.369276][T17999] ------------[ cut here ]------------
| [2081.369623][T17999] WARNING: CPU: 0 PID: 17999 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) 
| [ 2081.370289][T17999] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2081.371558][T17999] Tainted: [W]=WARN
[ 2081.371793][T17999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2081.372206][T17999] 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) 
[ 2081.372575][T17999] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2081.373753][T17999] RSP: 0018:ffffc9000a25f080 EFLAGS: 00010246
[ 2081.374187][T17999] RAX: 0000000000000000 RBX: ffff888009eaa000 RCX: 0000000000000001
[ 2081.374670][T17999] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2081.375173][T17999] RBP: ffffc9000a25f168 R08: 0000000000000000 R09: 0000000000000000
[ 2081.375667][T17999] R10: ffffc9000a25f198 R11: ffffffff8bf8d1e0 R12: 1ffff9200144be14
[ 2081.376164][T17999] R13: 00000000000005dc R14: ffffc9000a25f198 R15: ffff888009eaaf48
[ 2081.376662][T17999] FS:  00007f02acab1800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2081.377216][T17999] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2081.377641][T17999] CR2: 00007f02acbb1130 CR3: 00000000184a5004 CR4: 0000000000772ef0
[ 2081.378134][T17999] PKRU: 55555554
[ 2081.378376][T17999] Call Trace:
[ 2081.378614][T17999]  <TASK>
[2081.378783][T17999] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2081.379118][T17999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2081.379468][T17999] netif_set_mtu (net/core/dev.c:9652) 
[2081.379789][T17999] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2081.380137][T17999] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2081.380397][T17999] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2081.380722][T17999] br_add_if (net/bridge/br_if.c:697) 
[2081.380979][T17999] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2081.381304][T17999] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2081.381626][T17999] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2081.381957][T17999] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2081.382283][T17999] ? __dev_get_by_name (net/core/dev.c:865) 
[2081.382611][T17999] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2081.382926][T17999] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2081.383266][T17999] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2081.383587][T17999] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2081.383910][T17999] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2081.384254][T17999] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2081.384580][T17999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2081.384911][T17999] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2081.385236][T17999] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2081.385556][T17999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2081.385894][T17999] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2081.386227][T17999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2081.386548][T17999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2081.386885][T17999] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2081.387216][T17999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2081.387558][T17999] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2081.387873][T17999] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2081.388183][T17999] ? 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) 
[2081.388487][T17999] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2081.388791][T17999] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2081.389112][T17999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2081.389430][T17999] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2081.389734][T17999] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2081.390049][T17999] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2081.390401][T17999] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2081.390726][T17999] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2081.391070][T17999] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2081.391495][T17999] ___sys_sendmsg (net/socket.c:2670) 
[2081.391814][T17999] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2081.392140][T17999] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2081.392466][T17999] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2081.392807][T17999] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2081.393138][T17999] ? __handle_mm_fault (mm/memory.c:6212) 
[2081.393473][T17999] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2081.393789][T17999] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2081.394143][T17999] __sys_sendmsg (net/socket.c:2700) 
[2081.394475][T17999] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2081.394801][T17999] ? 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) 
[2081.395143][T17999] ? 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) 
[2081.395450][T17999] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2081.395766][T17999] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2081.396075][T17999] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2081.396459][T17999] RIP: 0033:0x7f02acc7e1e7
[ 2081.396775][T17999] 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)
[ 2081.397905][T17999] RSP: 002b:00007ffc3b2c42f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2081.398397][T17999] RAX: ffffffffffffffda RBX: 00007ffc3b2c4a30 RCX: 00007f02acc7e1e7
[ 2081.398853][T17999] RDX: 0000000000000000 RSI: 00007ffc3b2c4360 RDI: 0000000000000005
[ 2081.399325][T17999] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2081.399794][T17999] R10: 00007f02acd0cac0 R11: 0000000000000246 R12: 00007ffc3b2c4a68
[ 2081.400312][T17999] R13: 00000000686e657b R14: 0000000000499600 R15: 00007ffc3b2c4450
| [ 2085.813487][T18029] ------------[ cut here ]------------
| [2085.813800][T18029] WARNING: CPU: 0 PID: 18029 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) 
| [ 2085.814411][T18029] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2085.815673][T18029] Tainted: [W]=WARN
[ 2085.815912][T18029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2085.816306][T18029] 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) 
[ 2085.816621][T18029] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2085.817734][T18029] RSP: 0018:ffffc90009fdf080 EFLAGS: 00010246
[ 2085.818127][T18029] RAX: 0000000000000000 RBX: ffff88800d912000 RCX: 0000000000000001
[ 2085.818576][T18029] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2085.819024][T18029] RBP: ffffc90009fdf168 R08: 0000000000000000 R09: 0000000000000000
[ 2085.819499][T18029] R10: ffffc90009fdf198 R11: ffffffff8bf8d1e0 R12: 1ffff920013fbe14
[ 2085.819961][T18029] R13: 00000000000005dc R14: ffffc90009fdf198 R15: ffff88800d912f48
[ 2085.820472][T18029] FS:  00007f3b3ab17800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2085.821000][T18029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2085.821389][T18029] CR2: 000000000043d940 CR3: 00000000196a9006 CR4: 0000000000772ef0
[ 2085.821851][T18029] PKRU: 55555554
[ 2085.822077][T18029] Call Trace:
[ 2085.822312][T18029]  <TASK>
[2085.822488][T18029] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2085.822794][T18029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2085.823135][T18029] netif_set_mtu (net/core/dev.c:9652) 
[2085.823448][T18029] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2085.823764][T18029] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2085.824002][T18029] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2085.824319][T18029] br_add_if (net/bridge/br_if.c:697) 
[2085.824559][T18029] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2085.824905][T18029] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2085.825215][T18029] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2085.825521][T18029] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2085.825821][T18029] ? __dev_get_by_name (net/core/dev.c:865) 
[2085.826137][T18029] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2085.826438][T18029] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2085.826746][T18029] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2085.827045][T18029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2085.827369][T18029] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2085.827682][T18029] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2085.827990][T18029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2085.828309][T18029] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2085.828619][T18029] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2085.828922][T18029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2085.829230][T18029] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2085.829535][T18029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2085.829839][T18029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2085.830154][T18029] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2085.830497][T18029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2085.830800][T18029] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2085.831147][T18029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2085.831450][T18029] ? 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) 
[2085.831753][T18029] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2085.832057][T18029] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2085.832368][T18029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2085.832679][T18029] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2085.832990][T18029] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2085.833308][T18029] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2085.833620][T18029] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2085.833924][T18029] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2085.834233][T18029] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2085.834620][T18029] ___sys_sendmsg (net/socket.c:2670) 
[2085.834921][T18029] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2085.835245][T18029] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2085.835569][T18029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2085.835870][T18029] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2085.836246][T18029] ? __handle_mm_fault (mm/memory.c:6212) 
[2085.836556][T18029] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2085.836857][T18029] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2085.837194][T18029] __sys_sendmsg (net/socket.c:2700) 
[2085.837524][T18029] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2085.837824][T18029] ? 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) 
[2085.838141][T18029] ? 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) 
[2085.838447][T18029] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2085.838753][T18029] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2085.839055][T18029] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2085.839447][T18029] RIP: 0033:0x7f3b3ace41e7
[ 2085.839772][T18029] 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)
[ 2085.840894][T18029] RSP: 002b:00007ffeb6b45bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2085.841359][T18029] RAX: ffffffffffffffda RBX: 00007ffeb6b46310 RCX: 00007f3b3ace41e7
[ 2085.841818][T18029] RDX: 0000000000000000 RSI: 00007ffeb6b45c40 RDI: 0000000000000005
[ 2085.842276][T18029] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2085.842726][T18029] R10: 00007f3b3ad72ac0 R11: 0000000000000246 R12: 00007ffeb6b46348
[ 2085.843196][T18029] R13: 00000000686e6580 R14: 0000000000499600 R15: 00007ffeb6b45d30
| [ 2093.382510][T18094] ------------[ cut here ]------------
| [2093.383171][T18094] WARNING: CPU: 2 PID: 18094 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) 
| [ 2093.384339][T18094] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2093.386666][T18094] Tainted: [W]=WARN
[ 2093.387164][T18094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2093.387919][T18094] 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) 
[ 2093.388538][T18094] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2093.390664][T18094] RSP: 0018:ffffc90008d6f080 EFLAGS: 00010246
[ 2093.391436][T18094] RAX: 0000000000000000 RBX: ffff888017aba000 RCX: 0000000000000001
[ 2093.392303][T18094] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2093.393133][T18094] RBP: ffffc90008d6f168 R08: 0000000000000000 R09: 0000000000000000
[ 2093.393958][T18094] R10: ffffc90008d6f198 R11: ffffffff8bf8d1e0 R12: 1ffff920011ade14
[ 2093.394794][T18094] R13: 00000000000005dc R14: ffffc90008d6f198 R15: ffff888017abaf48
[ 2093.395660][T18094] FS:  00007ff4aedb5800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2093.396624][T18094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2093.397323][T18094] CR2: 00007ff4aefa0ba0 CR3: 0000000017993001 CR4: 0000000000772ef0
[ 2093.398161][T18094] PKRU: 55555554
[ 2093.398574][T18094] Call Trace:
[ 2093.398992][T18094]  <TASK>
[2093.399332][T18094] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2093.399884][T18094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2093.400506][T18094] netif_set_mtu (net/core/dev.c:9652) 
[2093.401051][T18094] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2093.401648][T18094] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2093.402066][T18094] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2093.402634][T18094] br_add_if (net/bridge/br_if.c:697) 
[2093.403078][T18094] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2093.403684][T18094] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2093.404266][T18094] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2093.404830][T18094] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2093.405486][T18094] ? __dev_get_by_name (net/core/dev.c:865) 
[2093.406040][T18094] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2093.406524][T18094] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2093.406867][T18094] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2093.407244][T18094] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2093.407603][T18094] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2093.407946][T18094] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2093.408297][T18094] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2093.408637][T18094] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2093.408961][T18094] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2093.409302][T18094] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2093.409630][T18094] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2093.409967][T18094] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2093.410323][T18094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2093.410689][T18094] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2093.411017][T18094] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2093.411376][T18094] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2093.411717][T18094] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2093.412043][T18094] ? 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) 
[2093.412392][T18094] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2093.412725][T18094] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2093.413064][T18094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2093.413418][T18094] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2093.413749][T18094] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2093.414077][T18094] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2093.414460][T18094] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2093.414812][T18094] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2093.415166][T18094] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2093.415588][T18094] ___sys_sendmsg (net/socket.c:2670) 
[2093.415919][T18094] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2093.416263][T18094] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2093.416598][T18094] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2093.416924][T18094] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2093.417275][T18094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2093.417612][T18094] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2093.417944][T18094] __sys_sendmsg (net/socket.c:2700) 
[2093.418284][T18094] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2093.418663][T18094] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2093.418999][T18094] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2093.419361][T18094] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2093.419768][T18094] RIP: 0033:0x7ff4aef821e7
[ 2093.420135][T18094] 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)
[ 2093.421290][T18094] RSP: 002b:00007fff9ddb3b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2093.421781][T18094] RAX: ffffffffffffffda RBX: 00007fff9ddb4290 RCX: 00007ff4aef821e7
[ 2093.422291][T18094] RDX: 0000000000000000 RSI: 00007fff9ddb3bc0 RDI: 0000000000000005
[ 2093.422816][T18094] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2093.423328][T18094] R10: 00007ff4af010ac0 R11: 0000000000000246 R12: 00007fff9ddb42c8
[ 2093.423812][T18094] R13: 00000000686e6587 R14: 0000000000499600 R15: 00007fff9ddb3cb0
| [ 2097.783217][T18124] ------------[ cut here ]------------
| [2097.783591][T18124] WARNING: CPU: 2 PID: 18124 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) 
| [ 2097.785023][T18124] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2097.786403][T18124] Tainted: [W]=WARN
[ 2097.786651][T18124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2097.787057][T18124] 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) 
[ 2097.787411][T18124] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2097.788609][T18124] RSP: 0018:ffffc900081df080 EFLAGS: 00010246
[ 2097.789029][T18124] RAX: 0000000000000000 RBX: ffff888005d02000 RCX: 0000000000000001
[ 2097.789523][T18124] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2097.789993][T18124] RBP: ffffc900081df168 R08: 0000000000000000 R09: 0000000000000000
[ 2097.790488][T18124] R10: ffffc900081df198 R11: ffffffff8bf8d1e0 R12: 1ffff9200103be14
[ 2097.790966][T18124] R13: 00000000000005dc R14: ffffc900081df198 R15: ffff888005d02f48
[ 2097.791449][T18124] FS:  00007f19e6936800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2097.792046][T18124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2097.792463][T18124] CR2: 00007f19e6b21ba0 CR3: 00000000164da004 CR4: 0000000000772ef0
[ 2097.792943][T18124] PKRU: 55555554
[ 2097.793195][T18124] Call Trace:
[ 2097.793438][T18124]  <TASK>
[2097.793608][T18124] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2097.793927][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2097.794279][T18124] netif_set_mtu (net/core/dev.c:9652) 
[2097.794600][T18124] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2097.794942][T18124] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2097.795210][T18124] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2097.795540][T18124] br_add_if (net/bridge/br_if.c:697) 
[2097.795832][T18124] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2097.796167][T18124] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2097.796491][T18124] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2097.796813][T18124] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2097.797139][T18124] ? __dev_get_by_name (net/core/dev.c:865) 
[2097.797480][T18124] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2097.797794][T18124] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2097.798134][T18124] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2097.798448][T18124] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2097.798893][T18124] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2097.799238][T18124] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2097.799563][T18124] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2097.799925][T18124] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2097.800276][T18124] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2097.800599][T18124] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2097.800916][T18124] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2097.801246][T18124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2097.801566][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2097.801888][T18124] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2097.802215][T18124] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2097.802531][T18124] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2097.802866][T18124] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2097.803194][T18124] ? 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) 
[2097.803513][T18124] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2097.803873][T18124] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2097.804202][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2097.804522][T18124] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2097.804842][T18124] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2097.805174][T18124] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2097.805497][T18124] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2097.805817][T18124] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2097.806142][T18124] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2097.806543][T18124] ___sys_sendmsg (net/socket.c:2670) 
[2097.806859][T18124] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2097.807188][T18124] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2097.807514][T18124] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2097.807866][T18124] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2097.808204][T18124] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2097.808530][T18124] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2097.808852][T18124] __sys_sendmsg (net/socket.c:2700) 
[2097.809183][T18124] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2097.809511][T18124] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2097.809846][T18124] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2097.810190][T18124] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2097.810586][T18124] RIP: 0033:0x7f19e6b031e7
[ 2097.810913][T18124] 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)
[ 2097.812058][T18124] RSP: 002b:00007ffd2e7fb638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2097.812545][T18124] RAX: ffffffffffffffda RBX: 00007ffd2e7fbd70 RCX: 00007f19e6b031e7
[ 2097.813021][T18124] RDX: 0000000000000000 RSI: 00007ffd2e7fb6a0 RDI: 0000000000000005
[ 2097.813493][T18124] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2097.813959][T18124] R10: 00007f19e6b91ac0 R11: 0000000000000246 R12: 00007ffd2e7fbda8
[ 2097.814455][T18124] R13: 00000000686e658c R14: 0000000000499600 R15: 00007ffd2e7fb790
| [ 2118.140357][T18297] ------------[ cut here ]------------
| [2118.140695][T18297] WARNING: CPU: 0 PID: 18297 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) 
| [ 2118.141325][T18297] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2118.142589][T18297] Tainted: [W]=WARN
[ 2118.142839][T18297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2118.143232][T18297] 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) 
[ 2118.143553][T18297] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2118.144664][T18297] RSP: 0018:ffffc9000951f080 EFLAGS: 00010246
[ 2118.145069][T18297] RAX: 0000000000000000 RBX: ffff88801265a000 RCX: 0000000000000001
[ 2118.145541][T18297] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2118.145998][T18297] RBP: ffffc9000951f168 R08: 0000000000000000 R09: 0000000000000000
[ 2118.146471][T18297] R10: ffffc9000951f198 R11: ffffffff8bf8d1e0 R12: 1ffff920012a3e14
[ 2118.146933][T18297] R13: 00000000000005dc R14: ffffc9000951f198 R15: ffff88801265af48
[ 2118.147434][T18297] FS:  00007f2b6edd3800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2118.147979][T18297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2118.148382][T18297] CR2: 000000000043d940 CR3: 000000000f264002 CR4: 0000000000772ef0
[ 2118.148854][T18297] PKRU: 55555554
[ 2118.149084][T18297] Call Trace:
[ 2118.149326][T18297]  <TASK>
[2118.149497][T18297] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2118.149808][T18297] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2118.150142][T18297] netif_set_mtu (net/core/dev.c:9652) 
[2118.150467][T18297] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2118.150796][T18297] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2118.151037][T18297] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2118.151366][T18297] br_add_if (net/bridge/br_if.c:697) 
[2118.151619][T18297] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2118.151945][T18297] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2118.152258][T18297] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2118.152575][T18297] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2118.152885][T18297] ? __dev_get_by_name (net/core/dev.c:865) 
[2118.153203][T18297] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2118.153516][T18297] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2118.153833][T18297] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2118.154160][T18297] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2118.154471][T18297] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2118.154799][T18297] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2118.155121][T18297] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2118.155442][T18297] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2118.155745][T18297] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2118.156064][T18297] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2118.156385][T18297] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2118.156701][T18297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2118.157012][T18297] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2118.157329][T18297] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2118.157650][T18297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2118.157966][T18297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2118.158286][T18297] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2118.158587][T18297] ? 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) 
[2118.158896][T18297] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2118.159213][T18297] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2118.159516][T18297] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2118.159821][T18297] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2118.160134][T18297] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2118.160458][T18297] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2118.160768][T18297] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2118.161080][T18297] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2118.161387][T18297] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2118.161793][T18297] ___sys_sendmsg (net/socket.c:2670) 
[2118.162105][T18297] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2118.162406][T18297] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2118.162713][T18297] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2118.163012][T18297] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2118.163335][T18297] ? __handle_mm_fault (mm/memory.c:6212) 
[2118.163639][T18297] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2118.163935][T18297] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2118.164283][T18297] __sys_sendmsg (net/socket.c:2700) 
[2118.164599][T18297] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2118.164924][T18297] ? 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) 
[2118.165252][T18297] ? 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) 
[2118.165565][T18297] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2118.165879][T18297] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2118.166197][T18297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2118.166583][T18297] RIP: 0033:0x7f2b6efa01e7
[ 2118.166901][T18297] 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)
[ 2118.168002][T18297] RSP: 002b:00007ffe8f428798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2118.168470][T18297] RAX: ffffffffffffffda RBX: 00007ffe8f428ed0 RCX: 00007f2b6efa01e7
[ 2118.168924][T18297] RDX: 0000000000000000 RSI: 00007ffe8f428800 RDI: 0000000000000005
[ 2118.169381][T18297] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2118.169853][T18297] R10: 00007f2b6f02eac0 R11: 0000000000000246 R12: 00007ffe8f428f08
[ 2118.170323][T18297] R13: 00000000686e65a0 R14: 0000000000499600 R15: 00007ffe8f4288f0
| [ 2122.717077][T18327] ------------[ cut here ]------------
| [2122.717449][T18327] WARNING: CPU: 0 PID: 18327 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) 
| [ 2122.718083][T18327] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2122.719360][T18327] Tainted: [W]=WARN
[ 2122.719609][T18327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2122.719996][T18327] 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) 
[ 2122.721517][T18327] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2122.722639][T18327] RSP: 0018:ffffc90009b5f080 EFLAGS: 00010246
[ 2122.723021][T18327] RAX: 0000000000000000 RBX: ffff888017aba000 RCX: 0000000000000001
[ 2122.723497][T18327] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2122.723965][T18327] RBP: ffffc90009b5f168 R08: 0000000000000000 R09: 0000000000000000
[ 2122.724437][T18327] R10: ffffc90009b5f198 R11: ffffffff8bf8d1e0 R12: 1ffff9200136be14
[ 2122.724906][T18327] R13: 00000000000005dc R14: ffffc90009b5f198 R15: ffff888017abaf48
[ 2122.725381][T18327] FS:  00007fa265680800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2122.725915][T18327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2122.726319][T18327] CR2: 00007fa265780130 CR3: 0000000010468006 CR4: 0000000000772ef0
[ 2122.726794][T18327] PKRU: 55555554
[ 2122.727027][T18327] Call Trace:
[ 2122.727284][T18327]  <TASK>
[2122.727451][T18327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2122.727772][T18327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2122.728089][T18327] netif_set_mtu (net/core/dev.c:9652) 
[2122.728404][T18327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2122.728731][T18327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2122.728961][T18327] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2122.729277][T18327] br_add_if (net/bridge/br_if.c:697) 
[2122.729532][T18327] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2122.729840][T18327] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2122.730157][T18327] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2122.730490][T18327] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2122.730804][T18327] ? __dev_get_by_name (net/core/dev.c:865) 
[2122.731143][T18327] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2122.731454][T18327] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2122.731761][T18327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2122.732063][T18327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2122.732389][T18327] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2122.732716][T18327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2122.733038][T18327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2122.733380][T18327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2122.733700][T18327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2122.734024][T18327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2122.734354][T18327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2122.734675][T18327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2122.735000][T18327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2122.735354][T18327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2122.735684][T18327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2122.736007][T18327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2122.736348][T18327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2122.736666][T18327] ? 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) 
[2122.736992][T18327] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2122.737322][T18327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2122.737640][T18327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2122.737998][T18327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2122.738320][T18327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2122.738637][T18327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2122.738954][T18327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2122.739285][T18327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2122.739596][T18327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2122.739979][T18327] ___sys_sendmsg (net/socket.c:2670) 
[2122.740340][T18327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2122.740647][T18327] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2122.740955][T18327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2122.741267][T18327] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2122.741576][T18327] ? __handle_mm_fault (mm/memory.c:6212) 
[2122.741877][T18327] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2122.742189][T18327] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2122.742526][T18327] __sys_sendmsg (net/socket.c:2700) 
[2122.742828][T18327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2122.743149][T18327] ? 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) 
[2122.743466][T18327] ? 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) 
[2122.743771][T18327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2122.744075][T18327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2122.744389][T18327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2122.744773][T18327] RIP: 0033:0x7fa26584d1e7
[ 2122.745087][T18327] 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)
[ 2122.746176][T18327] RSP: 002b:00007fff44f0a5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2122.746644][T18327] RAX: ffffffffffffffda RBX: 00007fff44f0ad00 RCX: 00007fa26584d1e7
[ 2122.747095][T18327] RDX: 0000000000000000 RSI: 00007fff44f0a630 RDI: 0000000000000005
[ 2122.747581][T18327] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2122.748033][T18327] R10: 00007fa2658dbac0 R11: 0000000000000246 R12: 00007fff44f0ad38
[ 2122.748497][T18327] R13: 00000000686e65a5 R14: 0000000000499600 R15: 00007fff44f0a720
| [ 2130.286163][T18393] ------------[ cut here ]------------
| [2130.286471][T18393] WARNING: CPU: 3 PID: 18393 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) 
| [ 2130.287065][T18393] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2130.288341][T18393] Tainted: [W]=WARN
[ 2130.288569][T18393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2130.288954][T18393] 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) 
[ 2130.289285][T18393] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2130.290520][T18393] RSP: 0018:ffffc90007d3f080 EFLAGS: 00010246
[ 2130.290903][T18393] RAX: 0000000000000000 RBX: ffff88800a02a000 RCX: 0000000000000001
[ 2130.291366][T18393] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2130.291823][T18393] RBP: ffffc90007d3f168 R08: 0000000000000000 R09: 0000000000000000
[ 2130.292279][T18393] R10: ffffc90007d3f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000fa7e14
[ 2130.292819][T18393] R13: 00000000000005dc R14: ffffc90007d3f198 R15: ffff88800a02af48
[ 2130.293290][T18393] FS:  00007f0959244800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2130.293821][T18393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2130.294206][T18393] CR2: 00007f095942fba0 CR3: 000000000d5c7005 CR4: 0000000000772ef0
[ 2130.294659][T18393] PKRU: 55555554
[ 2130.294884][T18393] Call Trace:
[ 2130.295131][T18393]  <TASK>
[2130.295298][T18393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2130.295599][T18393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2130.295915][T18393] netif_set_mtu (net/core/dev.c:9652) 
[2130.296392][T18393] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2130.296710][T18393] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2130.296937][T18393] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2130.297381][T18393] br_add_if (net/bridge/br_if.c:697) 
[2130.297621][T18393] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2130.297919][T18393] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2130.298364][T18393] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2130.298675][T18393] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2130.298971][T18393] ? __dev_get_by_name (net/core/dev.c:865) 
[2130.299319][T18393] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2130.299622][T18393] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2130.299934][T18393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2130.300253][T18393] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2130.300561][T18393] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2130.300869][T18393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2130.301192][T18393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2130.301505][T18393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2130.301803][T18393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2130.302117][T18393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2130.302416][T18393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2130.302717][T18393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2130.303020][T18393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2130.303350][T18393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2130.303650][T18393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2130.303950][T18393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2130.304271][T18393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2130.304569][T18393] ? 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) 
[2130.304870][T18393] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2130.305186][T18393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2130.305494][T18393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2130.305800][T18393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2130.306112][T18393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2130.306414][T18393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2130.306721][T18393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2130.307021][T18393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2130.307338][T18393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2130.307737][T18393] ___sys_sendmsg (net/socket.c:2670) 
[2130.308039][T18393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2130.308354][T18393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2130.308659][T18393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2130.308964][T18393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2130.309275][T18393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2130.309586][T18393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2130.309894][T18393] __sys_sendmsg (net/socket.c:2700) 
[2130.310205][T18393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2130.310530][T18393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2130.310834][T18393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2130.311156][T18393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2130.311530][T18393] RIP: 0033:0x7f09594111e7
[ 2130.311844][T18393] 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)
[ 2130.312934][T18393] RSP: 002b:00007ffc9f443f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2130.313397][T18393] RAX: ffffffffffffffda RBX: 00007ffc9f444660 RCX: 00007f09594111e7
[ 2130.313848][T18393] RDX: 0000000000000000 RSI: 00007ffc9f443f90 RDI: 0000000000000005
[ 2130.314310][T18393] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2130.314760][T18393] R10: 00007f095949fac0 R11: 0000000000000246 R12: 00007ffc9f444698
[ 2130.315229][T18393] R13: 00000000686e65ac R14: 0000000000499600 R15: 00007ffc9f444080
| [ 2134.606612][T18423] ------------[ cut here ]------------
| [2134.606951][T18423] WARNING: CPU: 2 PID: 18423 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) 
| [ 2134.608544][T18423] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2134.609886][T18423] Tainted: [W]=WARN
[ 2134.610161][T18423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2134.610593][T18423] 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) 
[ 2134.610926][T18423] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2134.612066][T18423] RSP: 0018:ffffc90007baf080 EFLAGS: 00010246
[ 2134.612486][T18423] RAX: 0000000000000000 RBX: ffff8880196e2000 RCX: 0000000000000001
[ 2134.612984][T18423] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2134.613473][T18423] RBP: ffffc90007baf168 R08: 0000000000000000 R09: 0000000000000000
[ 2134.613950][T18423] R10: ffffc90007baf198 R11: ffffffff8bf8d1e0 R12: 1ffff92000f75e14
[ 2134.614437][T18423] R13: 00000000000005dc R14: ffffc90007baf198 R15: ffff8880196e2f48
[ 2134.614902][T18423] FS:  00007fbb71a4f800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2134.615479][T18423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2134.615898][T18423] CR2: 00007fbb71c3aba0 CR3: 000000000d5bc004 CR4: 0000000000772ef0
[ 2134.616405][T18423] PKRU: 55555554
[ 2134.616653][T18423] Call Trace:
[ 2134.616902][T18423]  <TASK>
[2134.617073][T18423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2134.617412][T18423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2134.617741][T18423] netif_set_mtu (net/core/dev.c:9652) 
[2134.618071][T18423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2134.618429][T18423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2134.618676][T18423] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2134.618997][T18423] br_add_if (net/bridge/br_if.c:697) 
[2134.619261][T18423] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2134.619585][T18423] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2134.619927][T18423] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2134.620287][T18423] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2134.620602][T18423] ? __dev_get_by_name (net/core/dev.c:865) 
[2134.620917][T18423] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2134.621263][T18423] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2134.621593][T18423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2134.621904][T18423] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2134.622269][T18423] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2134.622610][T18423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2134.622933][T18423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2134.623269][T18423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2134.623583][T18423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2134.623934][T18423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2134.624276][T18423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2134.624597][T18423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2134.624937][T18423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2134.625290][T18423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2134.625631][T18423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2134.625949][T18423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2134.626298][T18423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2134.626612][T18423] ? 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) 
[2134.626928][T18423] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2134.627259][T18423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2134.627575][T18423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2134.627894][T18423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2134.628228][T18423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2134.628557][T18423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2134.628882][T18423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2134.629210][T18423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2134.629532][T18423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2134.629948][T18423] ___sys_sendmsg (net/socket.c:2670) 
[2134.630321][T18423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2134.630657][T18423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2134.630992][T18423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2134.631325][T18423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2134.631658][T18423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2134.632007][T18423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2134.632340][T18423] __sys_sendmsg (net/socket.c:2700) 
[2134.632654][T18423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2134.632984][T18423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2134.633324][T18423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2134.633652][T18423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2134.634049][T18423] RIP: 0033:0x7fbb71c1c1e7
[ 2134.634398][T18423] 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)
[ 2134.635505][T18423] RSP: 002b:00007ffcaeb0f8e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2134.635996][T18423] RAX: ffffffffffffffda RBX: 00007ffcaeb10020 RCX: 00007fbb71c1c1e7
[ 2134.636497][T18423] RDX: 0000000000000000 RSI: 00007ffcaeb0f950 RDI: 0000000000000005
[ 2134.636979][T18423] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2134.637463][T18423] R10: 00007fbb71caaac0 R11: 0000000000000246 R12: 00007ffcaeb10058
[ 2134.637927][T18423] R13: 00000000686e65b0 R14: 0000000000499600 R15: 00007ffcaeb0fa40
| [ 2157.689619][T18661] ------------[ cut here ]------------
| [2157.689944][T18661] WARNING: CPU: 0 PID: 18661 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) 
| [ 2157.690583][T18661] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2157.691858][T18661] Tainted: [W]=WARN
[ 2157.692092][T18661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2157.692491][T18661] 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) 
[ 2157.692817][T18661] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2157.693927][T18661] RSP: 0018:ffffc9000901f080 EFLAGS: 00010246
[ 2157.694329][T18661] RAX: 0000000000000000 RBX: ffff8880188fa000 RCX: 0000000000000001
[ 2157.694789][T18661] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2157.695281][T18661] RBP: ffffc9000901f168 R08: 0000000000000000 R09: 0000000000000000
[ 2157.695739][T18661] R10: ffffc9000901f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001203e14
[ 2157.696334][T18661] R13: 00000000000005dc R14: ffffc9000901f198 R15: ffff8880188faf48
[ 2157.696789][T18661] FS:  00007efcb9b41800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2157.697339][T18661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2157.697724][T18661] CR2: 00007efcb9c41130 CR3: 000000001ab39004 CR4: 0000000000772ef0
[ 2157.698190][T18661] PKRU: 55555554
[ 2157.698420][T18661] Call Trace:
[ 2157.698649][T18661]  <TASK>
[2157.698809][T18661] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2157.699137][T18661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2157.699460][T18661] netif_set_mtu (net/core/dev.c:9652) 
[2157.699773][T18661] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2157.700090][T18661] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2157.700346][T18661] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2157.700657][T18661] br_add_if (net/bridge/br_if.c:697) 
[2157.700898][T18661] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2157.701212][T18661] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2157.701523][T18661] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2157.701838][T18661] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2157.702150][T18661] ? __dev_get_by_name (net/core/dev.c:865) 
[2157.702456][T18661] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2157.702760][T18661] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2157.703068][T18661] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2157.703391][T18661] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2157.703810][T18661] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2157.704138][T18661] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2157.704458][T18661] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2157.704775][T18661] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2157.705118][T18661] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2157.705430][T18661] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2157.705738][T18661] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2157.706046][T18661] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2157.706363][T18661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2157.706683][T18661] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2157.706990][T18661] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2157.707326][T18661] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2157.707648][T18661] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2157.707955][T18661] ? 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) 
[2157.708273][T18661] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2157.708582][T18661] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2157.708892][T18661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2157.709213][T18661] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2157.709522][T18661] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2157.709828][T18661] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2157.710155][T18661] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2157.710470][T18661] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2157.710774][T18661] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2157.711196][T18661] ___sys_sendmsg (net/socket.c:2670) 
[2157.711504][T18661] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2157.711811][T18661] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2157.712130][T18661] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2157.712434][T18661] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2157.712743][T18661] ? __handle_mm_fault (mm/memory.c:6212) 
[2157.713046][T18661] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2157.713364][T18661] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2157.713693][T18661] __sys_sendmsg (net/socket.c:2700) 
[2157.713999][T18661] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2157.714312][T18661] ? 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) 
[2157.714655][T18661] ? 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) 
[2157.714959][T18661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2157.715288][T18661] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2157.715607][T18661] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2157.715986][T18661] RIP: 0033:0x7efcb9d0e1e7
[ 2157.716309][T18661] 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)
[ 2157.717407][T18661] RSP: 002b:00007ffcb53faa28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2157.717887][T18661] RAX: ffffffffffffffda RBX: 00007ffcb53fb160 RCX: 00007efcb9d0e1e7
[ 2157.718359][T18661] RDX: 0000000000000000 RSI: 00007ffcb53faa90 RDI: 0000000000000005
[ 2157.718817][T18661] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2157.719298][T18661] R10: 00007efcb9d9cac0 R11: 0000000000000246 R12: 00007ffcb53fb198
[ 2157.719766][T18661] R13: 00000000686e65c8 R14: 0000000000499600 R15: 00007ffcb53fab80
| [ 2161.990787][T18691] ------------[ cut here ]------------
| [2161.991120][T18691] WARNING: CPU: 3 PID: 18691 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) 
| [ 2161.991741][T18691] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2161.993024][T18691] Tainted: [W]=WARN
[ 2161.993264][T18691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2161.993655][T18691] 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) 
[ 2161.993969][T18691] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2161.995086][T18691] RSP: 0018:ffffc900072ff080 EFLAGS: 00010246
[ 2161.995489][T18691] RAX: 0000000000000000 RBX: ffff88800a02a000 RCX: 0000000000000001
[ 2161.995945][T18691] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2161.996411][T18691] RBP: ffffc900072ff168 R08: 0000000000000000 R09: 0000000000000000
[ 2161.996868][T18691] R10: ffffc900072ff198 R11: ffffffff8bf8d1e0 R12: 1ffff92000e5fe14
[ 2161.997342][T18691] R13: 00000000000005dc R14: ffffc900072ff198 R15: ffff88800a02af48
[ 2161.997802][T18691] FS:  00007f59103bc800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2161.998349][T18691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2161.998734][T18691] CR2: 000000000043d940 CR3: 000000001c00a005 CR4: 0000000000772ef0
[ 2161.999208][T18691] PKRU: 55555554
[ 2161.999437][T18691] Call Trace:
[ 2161.999666][T18691]  <TASK>
[2161.999824][T18691] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2162.000140][T18691] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2162.000471][T18691] netif_set_mtu (net/core/dev.c:9652) 
[2162.000779][T18691] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2162.001111][T18691] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2162.001346][T18691] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2162.001667][T18691] br_add_if (net/bridge/br_if.c:697) 
[2162.001907][T18691] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2162.002220][T18691] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2162.002530][T18691] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2162.002838][T18691] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2162.003148][T18691] ? __dev_get_by_name (net/core/dev.c:865) 
[2162.003455][T18691] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2162.003767][T18691] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2162.004077][T18691] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2162.004393][T18691] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2162.004704][T18691] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2162.005020][T18691] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2162.005340][T18691] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2162.005657][T18691] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2162.005959][T18691] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2162.006281][T18691] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2162.006587][T18691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2162.006894][T18691] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2162.007210][T18691] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2162.007529][T18691] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2162.007834][T18691] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2162.008148][T18691] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2162.008470][T18691] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2162.008775][T18691] ? 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) 
[2162.009084][T18691] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2162.009399][T18691] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2162.009704][T18691] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2162.010014][T18691] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2162.010378][T18691] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2162.010718][T18691] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2162.011034][T18691] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2162.011353][T18691] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2162.011655][T18691] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2162.012045][T18691] ___sys_sendmsg (net/socket.c:2670) 
[2162.012357][T18691] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2162.012662][T18691] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2162.012983][T18691] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2162.013336][T18691] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2162.013648][T18691] ? __handle_mm_fault (mm/memory.c:6212) 
[2162.013952][T18691] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2162.014263][T18691] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2162.014591][T18691] __sys_sendmsg (net/socket.c:2700) 
[2162.014895][T18691] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2162.015214][T18691] ? 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) 
[2162.015526][T18691] ? 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) 
[2162.015831][T18691] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2162.016147][T18691] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2162.016454][T18691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2162.016831][T18691] RIP: 0033:0x7f59105891e7
[ 2162.017158][T18691] 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)
[ 2162.018266][T18691] RSP: 002b:00007ffc64d3d178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2162.018726][T18691] RAX: ffffffffffffffda RBX: 00007ffc64d3d8b0 RCX: 00007f59105891e7
[ 2162.019189][T18691] RDX: 0000000000000000 RSI: 00007ffc64d3d1e0 RDI: 0000000000000005
[ 2162.019656][T18691] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2162.020125][T18691] R10: 00007f5910617ac0 R11: 0000000000000246 R12: 00007ffc64d3d8e8
[ 2162.020601][T18691] R13: 00000000686e65cc R14: 0000000000499600 R15: 00007ffc64d3d2d0
| [ 2169.450616][T18756] ------------[ cut here ]------------
| [2169.450970][T18756] WARNING: CPU: 2 PID: 18756 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) 
| [ 2169.451671][T18756] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2169.453035][T18756] Tainted: [W]=WARN
[ 2169.453748][T18756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2169.454170][T18756] 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) 
[ 2169.454513][T18756] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2169.455664][T18756] RSP: 0018:ffffc90008b0f080 EFLAGS: 00010246
[ 2169.456077][T18756] RAX: 0000000000000000 RBX: ffff888017b12000 RCX: 0000000000000001
[ 2169.456586][T18756] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2169.457089][T18756] RBP: ffffc90008b0f168 R08: 0000000000000000 R09: 0000000000000000
[ 2169.457591][T18756] R10: ffffc90008b0f198 R11: ffffffff8bf8d1e0 R12: 1ffff92001161e14
[ 2169.458076][T18756] R13: 00000000000005dc R14: ffffc90008b0f198 R15: ffff888017b12f48
[ 2169.458573][T18756] FS:  00007fd952f92800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2169.459154][T18756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2169.459566][T18756] CR2: 00007fd95317dba0 CR3: 00000000197e8005 CR4: 0000000000772ef0
[ 2169.460055][T18756] PKRU: 55555554
[ 2169.460345][T18756] Call Trace:
[ 2169.460602][T18756]  <TASK>
[2169.460782][T18756] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2169.461122][T18756] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2169.461473][T18756] netif_set_mtu (net/core/dev.c:9652) 
[2169.461809][T18756] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2169.462165][T18756] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2169.462420][T18756] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2169.462757][T18756] br_add_if (net/bridge/br_if.c:697) 
[2169.463019][T18756] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2169.463358][T18756] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2169.463691][T18756] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2169.464031][T18756] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2169.464380][T18756] ? __dev_get_by_name (net/core/dev.c:865) 
[2169.464721][T18756] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2169.465048][T18756] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2169.465394][T18756] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2169.465720][T18756] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2169.466052][T18756] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2169.466409][T18756] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2169.466751][T18756] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2169.467090][T18756] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2169.467425][T18756] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2169.467758][T18756] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2169.468085][T18756] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2169.468435][T18756] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2169.468773][T18756] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2169.469127][T18756] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2169.469456][T18756] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2169.469788][T18756] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2169.470137][T18756] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2169.470475][T18756] ? 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) 
[2169.470809][T18756] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2169.471150][T18756] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2169.471482][T18756] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2169.471819][T18756] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2169.472196][T18756] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2169.472533][T18756] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2169.472870][T18756] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2169.473217][T18756] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2169.473543][T18756] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2169.473973][T18756] ___sys_sendmsg (net/socket.c:2670) 
[2169.474315][T18756] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2169.474655][T18756] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2169.474989][T18756] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2169.475428][T18756] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2169.475764][T18756] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2169.476127][T18756] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2169.476469][T18756] __sys_sendmsg (net/socket.c:2700) 
[2169.476801][T18756] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2169.477153][T18756] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2169.477486][T18756] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2169.477819][T18756] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2169.478239][T18756] RIP: 0033:0x7fd95315f1e7
[ 2169.478609][T18756] 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)
[ 2169.479769][T18756] RSP: 002b:00007ffdd7f61818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2169.480301][T18756] RAX: ffffffffffffffda RBX: 00007ffdd7f61f50 RCX: 00007fd95315f1e7
[ 2169.480792][T18756] RDX: 0000000000000000 RSI: 00007ffdd7f61880 RDI: 0000000000000005
[ 2169.481313][T18756] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2169.481798][T18756] R10: 00007fd9531edac0 R11: 0000000000000246 R12: 00007ffdd7f61f88
[ 2169.482296][T18756] R13: 00000000686e65d3 R14: 0000000000499600 R15: 00007ffdd7f61970
| [ 2173.901020][T18786] ------------[ cut here ]------------
| [2173.901357][T18786] WARNING: CPU: 1 PID: 18786 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) 
| [ 2173.901977][T18786] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2173.903285][T18786] Tainted: [W]=WARN
[ 2173.903526][T18786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2173.903906][T18786] 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) 
[ 2173.904966][T18786] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2173.906076][T18786] RSP: 0018:ffffc90008b6f080 EFLAGS: 00010246
[ 2173.906478][T18786] RAX: 0000000000000000 RBX: ffff88800514a000 RCX: 0000000000000001
[ 2173.906977][T18786] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2173.907460][T18786] RBP: ffffc90008b6f168 R08: 0000000000000000 R09: 0000000000000000
[ 2173.908017][T18786] R10: ffffc90008b6f198 R11: ffffffff8bf8d1e0 R12: 1ffff9200116de14
[ 2173.908509][T18786] R13: 00000000000005dc R14: ffffc90008b6f198 R15: ffff88800514af48
[ 2173.908972][T18786] FS:  00007ffbf5997800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[ 2173.909526][T18786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2173.909914][T18786] CR2: 00007ffbf5b82ba0 CR3: 000000001a96a001 CR4: 0000000000772ef0
[ 2173.910397][T18786] PKRU: 55555554
[ 2173.910626][T18786] Call Trace:
[ 2173.910852][T18786]  <TASK>
[2173.911011][T18786] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2173.911351][T18786] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2173.911675][T18786] netif_set_mtu (net/core/dev.c:9652) 
[2173.911982][T18786] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2173.912313][T18786] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2173.912546][T18786] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2173.912874][T18786] br_add_if (net/bridge/br_if.c:697) 
[2173.913132][T18786] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2173.913436][T18786] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2173.913750][T18786] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2173.914060][T18786] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2173.914392][T18786] ? __dev_get_by_name (net/core/dev.c:865) 
[2173.914703][T18786] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2173.915009][T18786] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2173.915338][T18786] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2173.915656][T18786] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2173.915974][T18786] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2173.916301][T18786] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2173.916618][T18786] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2173.916939][T18786] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2173.917296][T18786] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2173.917605][T18786] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2173.917932][T18786] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2173.918260][T18786] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2173.918581][T18786] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2173.918891][T18786] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2173.919226][T18786] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2173.919569][T18786] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2173.919917][T18786] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2173.920253][T18786] ? 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) 
[2173.920573][T18786] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2173.920891][T18786] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2173.921206][T18786] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2173.921522][T18786] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2173.921833][T18786] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2173.922153][T18786] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2173.922471][T18786] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2173.922777][T18786] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2173.923092][T18786] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2173.923506][T18786] ___sys_sendmsg (net/socket.c:2670) 
[2173.923811][T18786] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2173.924133][T18786] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2173.924447][T18786] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2173.924754][T18786] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2173.925065][T18786] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2173.925420][T18786] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2173.925733][T18786] __sys_sendmsg (net/socket.c:2700) 
[2173.926039][T18786] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2173.926371][T18786] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2173.926687][T18786] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2173.926999][T18786] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2173.927413][T18786] RIP: 0033:0x7ffbf5b641e7
[ 2173.927736][T18786] 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)
[ 2173.928843][T18786] RSP: 002b:00007ffff30a6708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2173.929318][T18786] RAX: ffffffffffffffda RBX: 00007ffff30a6e40 RCX: 00007ffbf5b641e7
[ 2173.929790][T18786] RDX: 0000000000000000 RSI: 00007ffff30a6770 RDI: 0000000000000005
[ 2173.930302][T18786] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2173.930799][T18786] R10: 00007ffbf5bf2ac0 R11: 0000000000000246 R12: 00007ffff30a6e78
[ 2173.931279][T18786] R13: 00000000686e65d8 R14: 0000000000499600 R15: 00007ffff30a6860
| [ 2197.341631][T19024] ------------[ cut here ]------------
| [2197.341939][T19024] WARNING: CPU: 3 PID: 19024 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) 
| [ 2197.342557][T19024] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2197.343813][T19024] Tainted: [W]=WARN
[ 2197.344056][T19024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2197.344453][T19024] 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) 
[ 2197.344773][T19024] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2197.346120][T19024] RSP: 0018:ffffc900083ef080 EFLAGS: 00010246
[ 2197.346511][T19024] RAX: 0000000000000000 RBX: ffff888011e6a000 RCX: 0000000000000001
[ 2197.346958][T19024] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2197.347416][T19024] RBP: ffffc900083ef168 R08: 0000000000000000 R09: 0000000000000000
[ 2197.347865][T19024] R10: ffffc900083ef198 R11: ffffffff8bf8d1e0 R12: 1ffff9200107de14
[ 2197.348341][T19024] R13: 00000000000005dc R14: ffffc900083ef198 R15: ffff888011e6af48
[ 2197.348792][T19024] FS:  00007f1a0e82e800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2197.349327][T19024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2197.349708][T19024] CR2: 000000000043d940 CR3: 000000000f304006 CR4: 0000000000772ef0
[ 2197.350169][T19024] PKRU: 55555554
[ 2197.350416][T19024] Call Trace:
[ 2197.350642][T19024]  <TASK>
[2197.350800][T19024] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2197.351112][T19024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2197.351429][T19024] netif_set_mtu (net/core/dev.c:9652) 
[2197.351729][T19024] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2197.352046][T19024] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2197.352294][T19024] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2197.352610][T19024] br_add_if (net/bridge/br_if.c:697) 
[2197.352848][T19024] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2197.353157][T19024] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2197.353466][T19024] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2197.353771][T19024] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2197.354069][T19024] ? __dev_get_by_name (net/core/dev.c:865) 
[2197.354386][T19024] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2197.354689][T19024] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2197.354999][T19024] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2197.355305][T19024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2197.355616][T19024] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2197.355928][T19024] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2197.356252][T19024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2197.356567][T19024] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2197.356863][T19024] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2197.357181][T19024] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2197.357483][T19024] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2197.357785][T19024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2197.358092][T19024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2197.358408][T19024] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2197.358710][T19024] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2197.359012][T19024] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2197.359333][T19024] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2197.359639][T19024] ? 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) 
[2197.359940][T19024] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2197.360260][T19024] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2197.360578][T19024] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2197.360887][T19024] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2197.361204][T19024] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2197.361506][T19024] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2197.361824][T19024] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2197.362135][T19024] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2197.362432][T19024] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2197.362819][T19024] ___sys_sendmsg (net/socket.c:2670) 
[2197.363132][T19024] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2197.363434][T19024] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2197.363740][T19024] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2197.364048][T19024] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2197.364372][T19024] ? __handle_mm_fault (mm/memory.c:6212) 
[2197.364678][T19024] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2197.364978][T19024] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2197.365307][T19024] __sys_sendmsg (net/socket.c:2700) 
[2197.365609][T19024] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2197.365915][T19024] ? 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) 
[2197.366233][T19024] ? 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) 
[2197.366535][T19024] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2197.366840][T19024] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2197.367152][T19024] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2197.367525][T19024] RIP: 0033:0x7f1a0e9fb1e7
[ 2197.367838][T19024] 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)
[ 2197.368934][T19024] RSP: 002b:00007ffdb0ce23b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2197.369401][T19024] RAX: ffffffffffffffda RBX: 00007ffdb0ce2af0 RCX: 00007f1a0e9fb1e7
[ 2197.369851][T19024] RDX: 0000000000000000 RSI: 00007ffdb0ce2420 RDI: 0000000000000005
[ 2197.370330][T19024] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2197.370783][T19024] R10: 00007f1a0ea89ac0 R11: 0000000000000246 R12: 00007ffdb0ce2b28
[ 2197.371239][T19024] R13: 00000000686e65ef R14: 0000000000499600 R15: 00007ffdb0ce2510
| [ 2201.611507][T19054] ------------[ cut here ]------------
| [2201.611857][T19054] WARNING: CPU: 2 PID: 19054 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) 
| [ 2201.612508][T19054] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2201.613796][T19054] Tainted: [W]=WARN
[ 2201.614039][T19054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2201.614448][T19054] 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) 
[ 2201.614778][T19054] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2201.615872][T19054] RSP: 0018:ffffc900061af080 EFLAGS: 00010246
[ 2201.616274][T19054] RAX: 0000000000000000 RBX: ffff888017b12000 RCX: 0000000000000001
[ 2201.616748][T19054] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2201.617220][T19054] RBP: ffffc900061af168 R08: 0000000000000000 R09: 0000000000000000
[ 2201.617682][T19054] R10: ffffc900061af198 R11: ffffffff8bf8d1e0 R12: 1ffff92000c35e14
[ 2201.618173][T19054] R13: 00000000000005dc R14: ffffc900061af198 R15: ffff888017b12f48
[ 2201.618650][T19054] FS:  00007f6a48f5b800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2201.619368][T19054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2201.619901][T19054] CR2: 000000000043d940 CR3: 000000000cebf004 CR4: 0000000000772ef0
[ 2201.620554][T19054] PKRU: 55555554
[ 2201.620825][T19054] Call Trace:
[ 2201.621063][T19054]  <TASK>
[2201.621246][T19054] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2201.621568][T19054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2201.621893][T19054] netif_set_mtu (net/core/dev.c:9652) 
[2201.622234][T19054] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2201.622574][T19054] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2201.622816][T19054] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2201.623151][T19054] br_add_if (net/bridge/br_if.c:697) 
[2201.623404][T19054] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2201.623726][T19054] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2201.624045][T19054] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2201.624373][T19054] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2201.624686][T19054] ? __dev_get_by_name (net/core/dev.c:865) 
[2201.625000][T19054] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2201.625324][T19054] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2201.625641][T19054] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2201.625951][T19054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2201.626305][T19054] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2201.626647][T19054] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2201.626965][T19054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2201.627300][T19054] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2201.627611][T19054] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2201.627927][T19054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2201.628250][T19054] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2201.628572][T19054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2201.628889][T19054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2201.629219][T19054] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2201.629537][T19054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2201.629852][T19054] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2201.630202][T19054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2201.630529][T19054] ? 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) 
[2201.630852][T19054] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2201.631187][T19054] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2201.631500][T19054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2201.631820][T19054] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2201.632146][T19054] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2201.632461][T19054] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2201.632783][T19054] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2201.633106][T19054] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2201.633427][T19054] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2201.633828][T19054] ___sys_sendmsg (net/socket.c:2670) 
[2201.634166][T19054] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2201.634483][T19054] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2201.634802][T19054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2201.635124][T19054] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2201.635450][T19054] ? __handle_mm_fault (mm/memory.c:6212) 
[2201.635766][T19054] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2201.636076][T19054] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2201.636419][T19054] __sys_sendmsg (net/socket.c:2700) 
[2201.636736][T19054] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2201.637050][T19054] ? 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) 
[2201.637381][T19054] ? 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) 
[2201.637705][T19054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2201.638030][T19054] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2201.638380][T19054] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2201.638767][T19054] RIP: 0033:0x7f6a491281e7
[ 2201.639092][T19054] 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)
[ 2201.640207][T19054] RSP: 002b:00007ffe6c0e0d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2201.640683][T19054] RAX: ffffffffffffffda RBX: 00007ffe6c0e14a0 RCX: 00007f6a491281e7
[ 2201.641157][T19054] RDX: 0000000000000000 RSI: 00007ffe6c0e0dd0 RDI: 0000000000000005
[ 2201.641620][T19054] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2201.642090][T19054] R10: 00007f6a491b6ac0 R11: 0000000000000246 R12: 00007ffe6c0e14d8
[ 2201.642576][T19054] R13: 00000000686e65f3 R14: 0000000000499600 R15: 00007ffe6c0e0ec0
| [ 2209.040366][T19119] ------------[ cut here ]------------
| [2209.040685][T19119] WARNING: CPU: 0 PID: 19119 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) 
| [ 2209.041320][T19119] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2209.042637][T19119] Tainted: [W]=WARN
[ 2209.042889][T19119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2209.043283][T19119] 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) 
[ 2209.043601][T19119] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2209.044709][T19119] RSP: 0018:ffffc9000739f080 EFLAGS: 00010246
[ 2209.045123][T19119] RAX: 0000000000000000 RBX: ffff88800d8e2000 RCX: 0000000000000001
[ 2209.045588][T19119] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2209.046045][T19119] RBP: ffffc9000739f168 R08: 0000000000000000 R09: 0000000000000000
[ 2209.046519][T19119] R10: ffffc9000739f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000e73e14
[ 2209.047011][T19119] R13: 00000000000005dc R14: ffffc9000739f198 R15: ffff88800d8e2f48
[ 2209.047485][T19119] FS:  00007fe32a0ec800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2209.048025][T19119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2209.048430][T19119] CR2: 00007fe32a2d7ba0 CR3: 000000000c037003 CR4: 0000000000772ef0
[ 2209.048907][T19119] PKRU: 55555554
[ 2209.049163][T19119] Call Trace:
[ 2209.049394][T19119]  <TASK>
[2209.049553][T19119] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2209.049861][T19119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2209.050193][T19119] netif_set_mtu (net/core/dev.c:9652) 
[2209.050516][T19119] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2209.050881][T19119] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2209.051135][T19119] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2209.051451][T19119] br_add_if (net/bridge/br_if.c:697) 
[2209.051695][T19119] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2209.051999][T19119] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2209.052322][T19119] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2209.052632][T19119] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2209.052944][T19119] ? __dev_get_by_name (net/core/dev.c:865) 
[2209.053278][T19119] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2209.053590][T19119] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2209.053903][T19119] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2209.054223][T19119] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2209.054536][T19119] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2209.054893][T19119] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2209.055218][T19119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2209.055550][T19119] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2209.055855][T19119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2209.056175][T19119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2209.056482][T19119] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2209.056791][T19119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2209.057128][T19119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2209.057439][T19119] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2209.057748][T19119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2209.058075][T19119] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2209.058409][T19119] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2209.058740][T19119] ? 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) 
[2209.059050][T19119] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2209.059372][T19119] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2209.059679][T19119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2209.059992][T19119] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2209.060333][T19119] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2209.060646][T19119] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2209.060959][T19119] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2209.061335][T19119] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2209.061640][T19119] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2209.062035][T19119] ___sys_sendmsg (net/socket.c:2670) 
[2209.062363][T19119] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2209.062716][T19119] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2209.063027][T19119] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2209.063344][T19119] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2209.063656][T19119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2209.063969][T19119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2209.064291][T19119] __sys_sendmsg (net/socket.c:2700) 
[2209.064598][T19119] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2209.064919][T19119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2209.065248][T19119] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2209.065566][T19119] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2209.066225][T19119] RIP: 0033:0x7fe32a2b91e7
[ 2209.066753][T19119] 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)
[ 2209.068682][T19119] RSP: 002b:00007ffffd4cd208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2209.069560][T19119] RAX: ffffffffffffffda RBX: 00007ffffd4cd940 RCX: 00007fe32a2b91e7
[ 2209.070412][T19119] RDX: 0000000000000000 RSI: 00007ffffd4cd270 RDI: 0000000000000005
[ 2209.071239][T19119] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2209.072074][T19119] R10: 00007fe32a347ac0 R11: 0000000000000246 R12: 00007ffffd4cd978
[ 2209.072911][T19119] R13: 00000000686e65fb R14: 0000000000499600 R15: 00007ffffd4cd360
| [ 2213.506668][T19149] ------------[ cut here ]------------
| [2213.506994][T19149] WARNING: CPU: 3 PID: 19149 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) 
| [ 2213.507648][T19149] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2213.508990][T19149] Tainted: [W]=WARN
[ 2213.509250][T19149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2213.509659][T19149] 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) 
[ 2213.509985][T19149] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2213.511139][T19149] RSP: 0018:ffffc900074bf080 EFLAGS: 00010246
[ 2213.511542][T19149] RAX: 0000000000000000 RBX: ffff88800f0a2000 RCX: 0000000000000001
[ 2213.512024][T19149] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2213.512523][T19149] RBP: ffffc900074bf168 R08: 0000000000000000 R09: 0000000000000000
[ 2213.513004][T19149] R10: ffffc900074bf198 R11: ffffffff8bf8d1e0 R12: 1ffff92000e97e14
[ 2213.513485][T19149] R13: 00000000000005dc R14: ffffc900074bf198 R15: ffff88800f0a2f48
[ 2213.513966][T19149] FS:  00007fa5f1929800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2213.514525][T19149] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2213.514937][T19149] CR2: 00007fa5f1b14ba0 CR3: 0000000013e61004 CR4: 0000000000772ef0
[ 2213.515445][T19149] PKRU: 55555554
[ 2213.515685][T19149] Call Trace:
[ 2213.515922][T19149]  <TASK>
[2213.516095][T19149] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2213.516447][T19149] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2213.516785][T19149] netif_set_mtu (net/core/dev.c:9652) 
[2213.517117][T19149] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2213.517450][T19149] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2213.517692][T19149] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2213.518014][T19149] br_add_if (net/bridge/br_if.c:697) 
[2213.518272][T19149] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2213.518594][T19149] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2213.518911][T19149] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2213.519240][T19149] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2213.519555][T19149] ? __dev_get_by_name (net/core/dev.c:865) 
[2213.519873][T19149] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2213.520210][T19149] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2213.520551][T19149] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2213.520897][T19149] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2213.521230][T19149] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2213.521557][T19149] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2213.521878][T19149] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2213.522214][T19149] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2213.522526][T19149] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2213.522846][T19149] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2213.523169][T19149] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2213.523491][T19149] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2213.523810][T19149] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2213.524158][T19149] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2213.524478][T19149] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2213.524794][T19149] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2213.525135][T19149] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2213.525451][T19149] ? 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) 
[2213.525774][T19149] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2213.526091][T19149] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2213.526419][T19149] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2213.526740][T19149] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2213.527059][T19149] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2213.527385][T19149] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2213.527711][T19149] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2213.528040][T19149] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2213.528373][T19149] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2213.528786][T19149] ___sys_sendmsg (net/socket.c:2670) 
[2213.529118][T19149] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2213.529437][T19149] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2213.529756][T19149] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2213.530067][T19149] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2213.530424][T19149] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2213.530791][T19149] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2213.531134][T19149] __sys_sendmsg (net/socket.c:2700) 
[2213.531472][T19149] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2213.531800][T19149] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2213.532145][T19149] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2213.532468][T19149] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2213.532874][T19149] RIP: 0033:0x7fa5f1af61e7
[ 2213.533209][T19149] 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)
[ 2213.534346][T19149] RSP: 002b:00007fffb11faed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2213.534822][T19149] RAX: ffffffffffffffda RBX: 00007fffb11fb610 RCX: 00007fa5f1af61e7
[ 2213.535313][T19149] RDX: 0000000000000000 RSI: 00007fffb11faf40 RDI: 0000000000000005
[ 2213.535785][T19149] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2213.536281][T19149] R10: 00007fa5f1b84ac0 R11: 0000000000000246 R12: 00007fffb11fb648
[ 2213.536758][T19149] R13: 00000000686e65ff R14: 0000000000499600 R15: 00007fffb11fb030
| [ 2237.220963][T19386] ------------[ cut here ]------------
| [2237.221310][T19386] WARNING: CPU: 2 PID: 19386 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) 
| [ 2237.221925][T19386] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2237.223234][T19386] Tainted: [W]=WARN
[ 2237.223485][T19386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2237.223883][T19386] 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) 
[ 2237.224222][T19386] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2237.225340][T19386] RSP: 0018:ffffc900064bf080 EFLAGS: 00010246
[ 2237.225741][T19386] RAX: 0000000000000000 RBX: ffff88800c382000 RCX: 0000000000000001
[ 2237.226219][T19386] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2237.226690][T19386] RBP: ffffc900064bf168 R08: 0000000000000000 R09: 0000000000000000
[ 2237.227184][T19386] R10: ffffc900064bf198 R11: ffffffff8bf8d1e0 R12: 1ffff92000c97e14
[ 2237.227652][T19386] R13: 00000000000005dc R14: ffffc900064bf198 R15: ffff88800c382f48
[ 2237.228130][T19386] FS:  00007f5099783800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2237.228683][T19386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2237.229075][T19386] CR2: 000000000043d940 CR3: 00000000145af005 CR4: 0000000000772ef0
[ 2237.229560][T19386] PKRU: 55555554
[ 2237.229803][T19386] Call Trace:
[ 2237.230043][T19386]  <TASK>
[2237.230223][T19386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2237.230560][T19386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2237.230899][T19386] netif_set_mtu (net/core/dev.c:9652) 
[2237.231246][T19386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2237.231579][T19386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2237.231828][T19386] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2237.232158][T19386] br_add_if (net/bridge/br_if.c:697) 
[2237.232412][T19386] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2237.232724][T19386] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2237.233045][T19386] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2237.233388][T19386] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2237.233704][T19386] ? __dev_get_by_name (net/core/dev.c:865) 
[2237.234025][T19386] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2237.234353][T19386] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2237.234678][T19386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2237.234992][T19386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2237.235343][T19386] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2237.235687][T19386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2237.236012][T19386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2237.236359][T19386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2237.236673][T19386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2237.236988][T19386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2237.237316][T19386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2237.237633][T19386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2237.237953][T19386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2237.238297][T19386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2237.238617][T19386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2237.238933][T19386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2237.239288][T19386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2237.239603][T19386] ? 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) 
[2237.239920][T19386] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2237.240247][T19386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2237.240633][T19386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2237.240956][T19386] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2237.241292][T19386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2237.241609][T19386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2237.241935][T19386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2237.242267][T19386] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2237.242587][T19386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2237.242994][T19386] ___sys_sendmsg (net/socket.c:2670) 
[2237.243336][T19386] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2237.243659][T19386] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2237.243977][T19386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2237.244296][T19386] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2237.244617][T19386] ? __handle_mm_fault (mm/memory.c:6212) 
[2237.244934][T19386] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2237.245263][T19386] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2237.245602][T19386] __sys_sendmsg (net/socket.c:2700) 
[2237.245921][T19386] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2237.246247][T19386] ? 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) 
[2237.246574][T19386] ? 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) 
[2237.246892][T19386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2237.247236][T19386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2237.247571][T19386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2237.247959][T19386] RIP: 0033:0x7f50999501e7
[ 2237.248297][T19386] 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)
[ 2237.249395][T19386] RSP: 002b:00007ffdbd327fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2237.249877][T19386] RAX: ffffffffffffffda RBX: 00007ffdbd328710 RCX: 00007f50999501e7
[ 2237.250371][T19386] RDX: 0000000000000000 RSI: 00007ffdbd328040 RDI: 0000000000000005
[ 2237.250837][T19386] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2237.251323][T19386] R10: 00007f50999deac0 R11: 0000000000000246 R12: 00007ffdbd328748
[ 2237.251800][T19386] R13: 00000000686e6617 R14: 0000000000499600 R15: 00007ffdbd328130
| [ 2241.900716][T19416] ------------[ cut here ]------------
| [2241.901303][T19416] WARNING: CPU: 0 PID: 19416 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) 
| [ 2241.902404][T19416] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2241.904047][T19416] Tainted: [W]=WARN
[ 2241.904302][T19416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2241.904792][T19416] 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) 
[ 2241.905381][T19416] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2241.906680][T19416] RSP: 0018:ffffc90007a3f080 EFLAGS: 00010246
[ 2241.907087][T19416] RAX: 0000000000000000 RBX: ffff88800d8e2000 RCX: 0000000000000001
[ 2241.907599][T19416] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2241.908085][T19416] RBP: ffffc90007a3f168 R08: 0000000000000000 R09: 0000000000000000
[ 2241.908580][T19416] R10: ffffc90007a3f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000f47e14
[ 2241.909446][T19416] R13: 00000000000005dc R14: ffffc90007a3f198 R15: ffff88800d8e2f48
[ 2241.910059][T19416] FS:  00007f0ca8082800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2241.910654][T19416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2241.911047][T19416] CR2: 000000000043d940 CR3: 00000000175fd004 CR4: 0000000000772ef0
[ 2241.911542][T19416] PKRU: 55555554
[ 2241.911808][T19416] Call Trace:
[ 2241.912045][T19416]  <TASK>
[2241.912219][T19416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2241.912529][T19416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2241.913014][T19416] netif_set_mtu (net/core/dev.c:9652) 
[2241.913331][T19416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2241.913674][T19416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2241.913910][T19416] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2241.914237][T19416] br_add_if (net/bridge/br_if.c:697) 
[2241.914478][T19416] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2241.914801][T19416] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2241.915126][T19416] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2241.915438][T19416] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2241.915786][T19416] ? __dev_get_by_name (net/core/dev.c:865) 
[2241.916092][T19416] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2241.916411][T19416] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2241.916753][T19416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2241.917055][T19416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2241.917380][T19416] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2241.917707][T19416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2241.918015][T19416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2241.918351][T19416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2241.918684][T19416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2241.918990][T19416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2241.919306][T19416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2241.919639][T19416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2241.919962][T19416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2241.920287][T19416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2241.920610][T19416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2241.920926][T19416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2241.921247][T19416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2241.921549][T19416] ? 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) 
[2241.921854][T19416] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2241.922168][T19416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2241.922468][T19416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2241.922776][T19416] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2241.923090][T19416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2241.923402][T19416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2241.923744][T19416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2241.924071][T19416] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2241.924389][T19416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2241.924780][T19416] ___sys_sendmsg (net/socket.c:2670) 
[2241.925084][T19416] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2241.925410][T19416] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2241.925716][T19416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2241.926017][T19416] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2241.926334][T19416] ? __handle_mm_fault (mm/memory.c:6212) 
[2241.926644][T19416] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2241.926945][T19416] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2241.927286][T19416] __sys_sendmsg (net/socket.c:2700) 
[2241.927592][T19416] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2241.927930][T19416] ? 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) 
[2241.928255][T19416] ? 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) 
[2241.928565][T19416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2241.928873][T19416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2241.929200][T19416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2241.929585][T19416] RIP: 0033:0x7f0ca824f1e7
[ 2241.929900][T19416] 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)
[ 2241.931024][T19416] RSP: 002b:00007ffd1c451958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2241.931489][T19416] RAX: ffffffffffffffda RBX: 00007ffd1c452090 RCX: 00007f0ca824f1e7
[ 2241.931982][T19416] RDX: 0000000000000000 RSI: 00007ffd1c4519c0 RDI: 0000000000000005
[ 2241.932447][T19416] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2241.932903][T19416] R10: 00007f0ca82ddac0 R11: 0000000000000246 R12: 00007ffd1c4520c8
[ 2241.933363][T19416] R13: 00000000686e661c R14: 0000000000499600 R15: 00007ffd1c451ab0
| [ 2249.477172][T19481] ------------[ cut here ]------------
| [2249.477500][T19481] WARNING: CPU: 0 PID: 19481 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) 
| [ 2249.478128][T19481] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2249.479450][T19481] Tainted: [W]=WARN
[ 2249.479685][T19481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2249.480064][T19481] 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) 
[ 2249.480414][T19481] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2249.481533][T19481] RSP: 0018:ffffc90005b6f080 EFLAGS: 00010246
[ 2249.481922][T19481] RAX: 0000000000000000 RBX: ffff888017632000 RCX: 0000000000000001
[ 2249.482380][T19481] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2249.482864][T19481] RBP: ffffc90005b6f168 R08: 0000000000000000 R09: 0000000000000000
[ 2249.483329][T19481] R10: ffffc90005b6f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000b6de14
[ 2249.483805][T19481] R13: 00000000000005dc R14: ffffc90005b6f198 R15: ffff888017632f48
[ 2249.484435][T19481] FS:  00007fe747530800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2249.484968][T19481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2249.485550][T19481] CR2: 00007f3d7bad3000 CR3: 000000000bb1a005 CR4: 0000000000772ef0
[ 2249.486020][T19481] PKRU: 55555554
[ 2249.486402][T19481] Call Trace:
[ 2249.486791][T19481]  <TASK>
[2249.487018][T19481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2249.487473][T19481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2249.487795][T19481] netif_set_mtu (net/core/dev.c:9652) 
[2249.488110][T19481] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2249.488432][T19481] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2249.488671][T19481] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2249.488980][T19481] br_add_if (net/bridge/br_if.c:697) 
[2249.489227][T19481] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2249.489563][T19481] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2249.489869][T19481] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2249.490188][T19481] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2249.490503][T19481] ? __dev_get_by_name (net/core/dev.c:865) 
[2249.490807][T19481] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2249.491130][T19481] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2249.491440][T19481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2249.491745][T19481] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2249.492057][T19481] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2249.492388][T19481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2249.492700][T19481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2249.493015][T19481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2249.493334][T19481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2249.493669][T19481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2249.493974][T19481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2249.494290][T19481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2249.494599][T19481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2249.494906][T19481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2249.495216][T19481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2249.495521][T19481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2249.495845][T19481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2249.496161][T19481] ? 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) 
[2249.496470][T19481] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2249.496776][T19481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2249.497078][T19481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2249.497393][T19481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2249.497736][T19481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2249.498046][T19481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2249.498365][T19481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2249.498673][T19481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2249.498973][T19481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2249.499369][T19481] ___sys_sendmsg (net/socket.c:2670) 
[2249.499674][T19481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2249.499975][T19481] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2249.500307][T19481] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2249.500620][T19481] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2249.500926][T19481] ? __handle_mm_fault (mm/memory.c:6212) 
[2249.501239][T19481] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2249.501581][T19481] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2249.501909][T19481] __sys_sendmsg (net/socket.c:2700) 
[2249.502234][T19481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2249.502539][T19481] ? 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) 
[2249.502853][T19481] ? 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) 
[2249.503168][T19481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2249.503475][T19481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2249.503780][T19481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2249.504170][T19481] RIP: 0033:0x7fe7476fd1e7
[ 2249.504487][T19481] 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)
[ 2249.505632][T19481] RSP: 002b:00007ffc366123f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2249.506095][T19481] RAX: ffffffffffffffda RBX: 00007ffc36612b30 RCX: 00007fe7476fd1e7
[ 2249.506570][T19481] RDX: 0000000000000000 RSI: 00007ffc36612460 RDI: 0000000000000005
[ 2249.507027][T19481] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2249.507496][T19481] R10: 00007fe74778bac0 R11: 0000000000000246 R12: 00007ffc36612b68
[ 2249.507957][T19481] R13: 00000000686e6623 R14: 0000000000499600 R15: 00007ffc36612550
| [ 2254.009455][T19511] ------------[ cut here ]------------
| [2254.009795][T19511] WARNING: CPU: 2 PID: 19511 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) 
| [ 2254.010451][T19511] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2254.011744][T19511] Tainted: [W]=WARN
[ 2254.011988][T19511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2254.012392][T19511] 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) 
[ 2254.012727][T19511] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2254.013834][T19511] RSP: 0018:ffffc9000586f080 EFLAGS: 00010246
[ 2254.014243][T19511] RAX: 0000000000000000 RBX: ffff88800aef2000 RCX: 0000000000000001
[ 2254.014713][T19511] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2254.015201][T19511] RBP: ffffc9000586f168 R08: 0000000000000000 R09: 0000000000000000
[ 2254.015671][T19511] R10: ffffc9000586f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000b0de14
[ 2254.016145][T19511] R13: 00000000000005dc R14: ffffc9000586f198 R15: ffff88800aef2f48
[ 2254.016623][T19511] FS:  00007ffb2ed08800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2254.017186][T19511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2254.017584][T19511] CR2: 00007ffb2eef3ba0 CR3: 000000000b2c7004 CR4: 0000000000772ef0
[ 2254.018051][T19511] PKRU: 55555554
[ 2254.018304][T19511] Call Trace:
[ 2254.018550][T19511]  <TASK>
[2254.018724][T19511] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2254.019049][T19511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2254.019406][T19511] netif_set_mtu (net/core/dev.c:9652) 
[2254.019857][T19511] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2254.020399][T19511] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2254.020787][T19511] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2254.021195][T19511] br_add_if (net/bridge/br_if.c:697) 
[2254.021505][T19511] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2254.021889][T19511] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2254.022256][T19511] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2254.022577][T19511] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2254.022893][T19511] ? __dev_get_by_name (net/core/dev.c:865) 
[2254.023245][T19511] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2254.023563][T19511] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2254.023885][T19511] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2254.024211][T19511] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2254.024547][T19511] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2254.024878][T19511] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2254.025213][T19511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2254.025540][T19511] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2254.025852][T19511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2254.026177][T19511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2254.026496][T19511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2254.026820][T19511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2254.027160][T19511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2254.027485][T19511] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2254.027801][T19511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2254.028136][T19511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2254.028466][T19511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2254.028779][T19511] ? 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) 
[2254.029117][T19511] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2254.029438][T19511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2254.029752][T19511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2254.030071][T19511] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2254.030413][T19511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2254.030732][T19511] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2254.031057][T19511] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2254.031398][T19511] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2254.031723][T19511] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2254.032137][T19511] ___sys_sendmsg (net/socket.c:2670) 
[2254.032456][T19511] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2254.032773][T19511] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2254.033088][T19511] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2254.033418][T19511] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2254.033747][T19511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2254.034072][T19511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2254.034406][T19511] __sys_sendmsg (net/socket.c:2700) 
[2254.034724][T19511] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2254.035049][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2254.035392][T19511] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2254.035714][T19511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2254.036109][T19511] RIP: 0033:0x7ffb2eed51e7
[ 2254.036447][T19511] 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)
[ 2254.037554][T19511] RSP: 002b:00007fffa9c6bbd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2254.038025][T19511] RAX: ffffffffffffffda RBX: 00007fffa9c6c310 RCX: 00007ffb2eed51e7
[ 2254.038515][T19511] RDX: 0000000000000000 RSI: 00007fffa9c6bc40 RDI: 0000000000000005
[ 2254.038982][T19511] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2254.039474][T19511] R10: 00007ffb2ef63ac0 R11: 0000000000000246 R12: 00007fffa9c6c348
[ 2254.039939][T19511] R13: 00000000686e6628 R14: 0000000000499600 R15: 00007fffa9c6bd30
| [ 2277.639378][T19748] ------------[ cut here ]------------
| [2277.639740][T19748] WARNING: CPU: 2 PID: 19748 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) 
| [ 2277.640402][T19748] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2277.641748][T19748] Tainted: [W]=WARN
[ 2277.641990][T19748] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2277.642395][T19748] 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) 
[ 2277.642719][T19748] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2277.643838][T19748] RSP: 0018:ffffc9000642f080 EFLAGS: 00010246
[ 2277.645474][T19748] RAX: 0000000000000000 RBX: ffff888006282000 RCX: 0000000000000001
[ 2277.645942][T19748] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2277.646432][T19748] RBP: ffffc9000642f168 R08: 0000000000000000 R09: 0000000000000000
[ 2277.646896][T19748] R10: ffffc9000642f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000c85e14
[ 2277.647380][T19748] R13: 00000000000005dc R14: ffffc9000642f198 R15: ffff888006282f48
[ 2277.647844][T19748] FS:  00007f92ec748800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2277.648401][T19748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2277.648795][T19748] CR2: 000000000043d940 CR3: 000000001b1d7003 CR4: 0000000000772ef0
[ 2277.649270][T19748] PKRU: 55555554
[ 2277.649513][T19748] Call Trace:
[ 2277.649749][T19748]  <TASK>
[2277.649919][T19748] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2277.650249][T19748] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2277.650630][T19748] netif_set_mtu (net/core/dev.c:9652) 
[2277.650959][T19748] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2277.651314][T19748] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2277.651561][T19748] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2277.651885][T19748] br_add_if (net/bridge/br_if.c:697) 
[2277.652148][T19748] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2277.652461][T19748] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2277.652780][T19748] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2277.653117][T19748] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2277.653430][T19748] ? __dev_get_by_name (net/core/dev.c:865) 
[2277.653747][T19748] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2277.654062][T19748] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2277.654392][T19748] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2277.654704][T19748] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2277.655019][T19748] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2277.655368][T19748] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2277.655701][T19748] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2277.656032][T19748] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2277.656355][T19748] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2277.656674][T19748] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2277.656987][T19748] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2277.657316][T19748] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2277.657637][T19748] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2277.657965][T19748] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2277.658289][T19748] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2277.658605][T19748] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2277.658931][T19748] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2277.659267][T19748] ? 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) 
[2277.659589][T19748] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2277.659908][T19748] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2277.660242][T19748] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2277.660601][T19748] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2277.660924][T19748] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2277.661258][T19748] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2277.661580][T19748] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2277.661900][T19748] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2277.662222][T19748] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2277.662633][T19748] ___sys_sendmsg (net/socket.c:2670) 
[2277.662951][T19748] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2277.663289][T19748] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2277.663612][T19748] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2277.663925][T19748] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2277.664257][T19748] ? __handle_mm_fault (mm/memory.c:6212) 
[2277.664582][T19748] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2277.664908][T19748] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2277.665271][T19748] __sys_sendmsg (net/socket.c:2700) 
[2277.665596][T19748] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2277.665918][T19748] ? 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) 
[2277.666260][T19748] ? 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) 
[2277.666582][T19748] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2277.666903][T19748] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2277.667256][T19748] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2277.667648][T19748] RIP: 0033:0x7f92ec9151e7
[ 2277.667972][T19748] 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)
[ 2277.669082][T19748] RSP: 002b:00007fff6c6d2338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2277.669573][T19748] RAX: ffffffffffffffda RBX: 00007fff6c6d2a70 RCX: 00007f92ec9151e7
[ 2277.670038][T19748] RDX: 0000000000000000 RSI: 00007fff6c6d23a0 RDI: 0000000000000005
[ 2277.670558][T19748] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2277.671026][T19748] R10: 00007f92ec9a3ac0 R11: 0000000000000246 R12: 00007fff6c6d2aa8
[ 2277.671534][T19748] R13: 00000000686e6640 R14: 0000000000499600 R15: 00007fff6c6d2490
| [ 2281.985484][T19778] ------------[ cut here ]------------
| [2281.985832][T19778] WARNING: CPU: 2 PID: 19778 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) 
| [ 2281.986470][T19778] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2281.987759][T19778] Tainted: [W]=WARN
[ 2281.988023][T19778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2281.988438][T19778] 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) 
[ 2281.988772][T19778] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2281.989900][T19778] RSP: 0018:ffffc9000610f080 EFLAGS: 00010246
[ 2281.990331][T19778] RAX: 0000000000000000 RBX: ffff88801042a000 RCX: 0000000000000001
[ 2281.990809][T19778] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2281.991290][T19778] RBP: ffffc9000610f168 R08: 0000000000000000 R09: 0000000000000000
[ 2281.991757][T19778] R10: ffffc9000610f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000c21e14
[ 2281.992240][T19778] R13: 00000000000005dc R14: ffffc9000610f198 R15: ffff88801042af48
[ 2281.992720][T19778] FS:  00007f3f2ed53800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2281.993297][T19778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2281.993702][T19778] CR2: 000000000043d940 CR3: 000000001b1fc004 CR4: 0000000000772ef0
[ 2281.994190][T19778] PKRU: 55555554
[ 2281.994431][T19778] Call Trace:
[ 2281.994681][T19778]  <TASK>
[2281.994853][T19778] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2281.995192][T19778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2281.995525][T19778] netif_set_mtu (net/core/dev.c:9652) 
[2281.995841][T19778] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2281.996186][T19778] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2281.996430][T19778] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2281.996755][T19778] br_add_if (net/bridge/br_if.c:697) 
[2281.997017][T19778] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2281.997360][T19778] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2281.997694][T19778] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2281.998015][T19778] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2281.998345][T19778] ? __dev_get_by_name (net/core/dev.c:865) 
[2281.998666][T19778] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2281.998983][T19778] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2281.999327][T19778] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2281.999643][T19778] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2281.999988][T19778] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2282.000340][T19778] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2282.000706][T19778] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2282.001050][T19778] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2282.001398][T19778] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2282.001736][T19778] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2282.002069][T19778] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2282.002417][T19778] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2282.002750][T19778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2282.003091][T19778] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2282.003431][T19778] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2282.003747][T19778] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2282.004072][T19778] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2282.004430][T19778] ? 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) 
[2282.004750][T19778] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2282.005072][T19778] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2282.005432][T19778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2282.005761][T19778] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2282.006081][T19778] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2282.006426][T19778] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2282.006762][T19778] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2282.007111][T19778] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2282.007436][T19778] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2282.007842][T19778] ___sys_sendmsg (net/socket.c:2670) 
[2282.008171][T19778] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2282.008499][T19778] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2282.008817][T19778] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2282.009168][T19778] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2282.009502][T19778] ? __handle_mm_fault (mm/memory.c:6212) 
[2282.009820][T19778] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2282.010141][T19778] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2282.010492][T19778] __sys_sendmsg (net/socket.c:2700) 
[2282.010809][T19778] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2282.011136][T19778] ? 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) 
[2282.011469][T19778] ? 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) 
[2282.011787][T19778] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2282.012115][T19778] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2282.012436][T19778] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2282.012821][T19778] RIP: 0033:0x7f3f2ef201e7
[ 2282.013176][T19778] 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)
[ 2282.014290][T19778] RSP: 002b:00007ffffbaf5438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2282.014763][T19778] RAX: ffffffffffffffda RBX: 00007ffffbaf5b70 RCX: 00007f3f2ef201e7
[ 2282.015239][T19778] RDX: 0000000000000000 RSI: 00007ffffbaf54a0 RDI: 0000000000000005
[ 2282.015716][T19778] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2282.016213][T19778] R10: 00007f3f2efaeac0 R11: 0000000000000246 R12: 00007ffffbaf5ba8
[ 2282.016686][T19778] R13: 00000000686e6644 R14: 0000000000499600 R15: 00007ffffbaf5590
| [ 2289.391664][T19844] ------------[ cut here ]------------
| [2289.391977][T19844] WARNING: CPU: 1 PID: 19844 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) 
| [ 2289.393081][T19844] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2289.394345][T19844] Tainted: [W]=WARN
[ 2289.394574][T19844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2289.394947][T19844] 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) 
[ 2289.395303][T19844] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2289.396400][T19844] RSP: 0018:ffffc90004b9f080 EFLAGS: 00010246
[ 2289.396783][T19844] RAX: 0000000000000000 RBX: ffff8880174a2000 RCX: 0000000000000001
[ 2289.397242][T19844] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2289.397691][T19844] RBP: ffffc90004b9f168 R08: 0000000000000000 R09: 0000000000000000
[ 2289.398145][T19844] R10: ffffc90004b9f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000973e14
[ 2289.398600][T19844] R13: 00000000000005dc R14: ffffc90004b9f198 R15: ffff8880174a2f48
[ 2289.399049][T19844] FS:  00007f4ec01b3800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[ 2289.399587][T19844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2289.399978][T19844] CR2: 00007f4ec039eba0 CR3: 000000000f2d2002 CR4: 0000000000772ef0
[ 2289.400508][T19844] PKRU: 55555554
[ 2289.400748][T19844] Call Trace:
[ 2289.400985][T19844]  <TASK>
[2289.401160][T19844] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2289.401480][T19844] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2289.401813][T19844] netif_set_mtu (net/core/dev.c:9652) 
[2289.402135][T19844] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2289.402471][T19844] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2289.402718][T19844] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2289.403040][T19844] br_add_if (net/bridge/br_if.c:697) 
[2289.403305][T19844] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2289.403627][T19844] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2289.403951][T19844] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2289.404281][T19844] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2289.404599][T19844] ? __dev_get_by_name (net/core/dev.c:865) 
[2289.404923][T19844] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2289.405264][T19844] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2289.405602][T19844] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2289.405916][T19844] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2289.406250][T19844] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2289.406578][T19844] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2289.406902][T19844] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2289.407249][T19844] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2289.407575][T19844] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2289.407895][T19844] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2289.408229][T19844] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2289.408555][T19844] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2289.408878][T19844] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2289.409210][T19844] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2289.409530][T19844] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2289.409851][T19844] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2289.410195][T19844] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2289.410521][T19844] ? 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) 
[2289.410843][T19844] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2289.411179][T19844] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2289.411501][T19844] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2289.411821][T19844] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2289.412155][T19844] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2289.412482][T19844] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2289.412807][T19844] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2289.413133][T19844] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2289.413452][T19844] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2289.413861][T19844] ___sys_sendmsg (net/socket.c:2670) 
[2289.414186][T19844] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2289.414509][T19844] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2289.414841][T19844] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2289.415174][T19844] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2289.415502][T19844] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2289.415828][T19844] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2289.416160][T19844] __sys_sendmsg (net/socket.c:2700) 
[2289.416479][T19844] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2289.416813][T19844] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2289.417148][T19844] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2289.417470][T19844] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2289.417862][T19844] RIP: 0033:0x7f4ec03801e7
[ 2289.418198][T19844] 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)
[ 2289.419347][T19844] RSP: 002b:00007ffeff580128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2289.419837][T19844] RAX: ffffffffffffffda RBX: 00007ffeff580860 RCX: 00007f4ec03801e7
[ 2289.420324][T19844] RDX: 0000000000000000 RSI: 00007ffeff580190 RDI: 0000000000000005
[ 2289.420811][T19844] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2289.421295][T19844] R10: 00007f4ec040eac0 R11: 0000000000000246 R12: 00007ffeff580898
[ 2289.421781][T19844] R13: 00000000686e664b R14: 0000000000499600 R15: 00007ffeff580280
| [ 2293.823789][T19874] ------------[ cut here ]------------
| [2293.824367][T19874] WARNING: CPU: 3 PID: 19874 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) 
| [ 2293.825455][T19874] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2293.827656][T19874] Tainted: [W]=WARN
[ 2293.828061][T19874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2293.828770][T19874] 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) 
[ 2293.829331][T19874] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2293.831230][T19874] RSP: 0018:ffffc90004f9f080 EFLAGS: 00010246
[ 2293.831912][T19874] RAX: 0000000000000000 RBX: ffff88801a232000 RCX: 0000000000000001
[ 2293.832758][T19874] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2293.833582][T19874] RBP: ffffc90004f9f168 R08: 0000000000000000 R09: 0000000000000000
[ 2293.834389][T19874] R10: ffffc90004f9f198 R11: ffffffff8bf8d1e0 R12: 1ffff920009f3e14
[ 2293.835193][T19874] R13: 00000000000005dc R14: ffffc90004f9f198 R15: ffff88801a232f48
[ 2293.835992][T19874] FS:  00007fbdd08df800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2293.836969][T19874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2293.837657][T19874] CR2: 00007fbdd0acaba0 CR3: 0000000018114002 CR4: 0000000000772ef0
[ 2293.838476][T19874] PKRU: 55555554
[ 2293.838887][T19874] Call Trace:
[ 2293.839286][T19874]  <TASK>
[2293.839571][T19874] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2293.840141][T19874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2293.840713][T19874] netif_set_mtu (net/core/dev.c:9652) 
[2293.841266][T19874] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2293.841830][T19874] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2293.842246][T19874] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2293.842774][T19874] br_add_if (net/bridge/br_if.c:697) 
[2293.843184][T19874] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2293.843696][T19874] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2293.844293][T19874] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2293.844831][T19874] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2293.845388][T19874] ? __dev_get_by_name (net/core/dev.c:865) 
[2293.845906][T19874] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2293.846444][T19874] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2293.846987][T19874] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2293.847523][T19874] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2293.848077][T19874] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2293.848656][T19874] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2293.849203][T19874] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2293.849734][T19874] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2293.850286][T19874] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2293.850833][T19874] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2293.851383][T19874] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2293.851891][T19874] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2293.852460][T19874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2293.853023][T19874] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2293.853582][T19874] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2293.854150][T19874] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2293.854718][T19874] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2293.855274][T19874] ? 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) 
[2293.855820][T19874] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2293.856357][T19874] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2293.856903][T19874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2293.857478][T19874] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2293.858032][T19874] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2293.858597][T19874] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2293.859176][T19874] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2293.859723][T19874] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2293.860312][T19874] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2293.861023][T19874] ___sys_sendmsg (net/socket.c:2670) 
[2293.861589][T19874] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2293.862156][T19874] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2293.862688][T19874] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2293.863210][T19874] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2293.863735][T19874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2293.864314][T19874] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2293.864852][T19874] __sys_sendmsg (net/socket.c:2700) 
[2293.865411][T19874] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2293.865971][T19874] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2293.866525][T19874] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2293.867066][T19874] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2293.867751][T19874] RIP: 0033:0x7fbdd0aac1e7
[ 2293.868353][T19874] 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)
[ 2293.870307][T19874] RSP: 002b:00007ffe93197388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2293.871142][T19874] RAX: ffffffffffffffda RBX: 00007ffe93197ac0 RCX: 00007fbdd0aac1e7
[ 2293.871944][T19874] RDX: 0000000000000000 RSI: 00007ffe931973f0 RDI: 0000000000000005
[ 2293.872690][T19874] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2293.873159][T19874] R10: 00007fbdd0b3aac0 R11: 0000000000000246 R12: 00007ffe93197af8
[ 2293.873623][T19874] R13: 00000000686e6650 R14: 0000000000499600 R15: 00007ffe931974e0
| [ 2309.108522][T19976] ------------[ cut here ]------------
| [2309.108843][T19976] WARNING: CPU: 1 PID: 19976 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) 
| [ 2309.109481][T19976] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2309.110810][T19976] Tainted: [W]=WARN
[ 2309.111049][T19976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2309.112570][T19976] 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) 
[ 2309.112914][T19976] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2309.114051][T19976] RSP: 0018:ffffc900043df080 EFLAGS: 00010246
[ 2309.114463][T19976] RAX: 0000000000000000 RBX: ffff88801913a000 RCX: 0000000000000001
[ 2309.114927][T19976] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2309.115390][T19976] RBP: ffffc900043df168 R08: 0000000000000000 R09: 0000000000000000
[ 2309.115856][T19976] R10: ffffc900043df198 R11: ffffffff8bf8d1e0 R12: 1ffff9200087be14
[ 2309.116324][T19976] R13: 00000000000005dc R14: ffffc900043df198 R15: ffff88801913af48
[ 2309.116797][T19976] FS:  00007f8970d41800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[ 2309.117344][T19976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2309.117736][T19976] CR2: 00007f8970e41130 CR3: 00000000104dc006 CR4: 0000000000772ef0
[ 2309.118210][T19976] PKRU: 55555554
[ 2309.118439][T19976] Call Trace:
[ 2309.118694][T19976]  <TASK>
[2309.118853][T19976] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2309.119170][T19976] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2309.119500][T19976] netif_set_mtu (net/core/dev.c:9652) 
[2309.119803][T19976] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2309.120151][T19976] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2309.120388][T19976] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2309.120727][T19976] br_add_if (net/bridge/br_if.c:697) 
[2309.120974][T19976] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2309.121286][T19976] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2309.121593][T19976] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2309.121899][T19976] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2309.122225][T19976] ? __dev_get_by_name (net/core/dev.c:865) 
[2309.122535][T19976] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2309.122836][T19976] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2309.123163][T19976] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2309.123465][T19976] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2309.123775][T19976] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2309.124090][T19976] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2309.124410][T19976] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2309.124758][T19976] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2309.125069][T19976] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2309.125391][T19976] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2309.125693][T19976] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2309.125999][T19976] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2309.126327][T19976] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2309.126650][T19976] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2309.126979][T19976] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2309.127305][T19976] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2309.127633][T19976] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2309.127939][T19976] ? 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) 
[2309.128262][T19976] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2309.128573][T19976] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2309.128875][T19976] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2309.129201][T19976] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2309.129519][T19976] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2309.129826][T19976] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2309.130183][T19976] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2309.130532][T19976] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2309.130841][T19976] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2309.131243][T19976] ___sys_sendmsg (net/socket.c:2670) 
[2309.131568][T19976] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2309.131872][T19976] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2309.132188][T19976] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2309.132495][T19976] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2309.132813][T19976] ? __handle_mm_fault (mm/memory.c:6212) 
[2309.133136][T19976] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2309.133437][T19976] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2309.133763][T19976] __sys_sendmsg (net/socket.c:2700) 
[2309.134067][T19976] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2309.134392][T19976] ? 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) 
[2309.134705][T19976] ? 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) 
[2309.135007][T19976] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2309.135320][T19976] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2309.135625][T19976] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2309.136007][T19976] RIP: 0033:0x7f8970f0e1e7
[ 2309.136328][T19976] 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)
[ 2309.137417][T19976] RSP: 002b:00007ffdbe998c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2309.137879][T19976] RAX: ffffffffffffffda RBX: 00007ffdbe999370 RCX: 00007f8970f0e1e7
[ 2309.138348][T19976] RDX: 0000000000000000 RSI: 00007ffdbe998ca0 RDI: 0000000000000005
[ 2309.138810][T19976] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2309.139269][T19976] R10: 00007f8970f9cac0 R11: 0000000000000246 R12: 00007ffdbe9993a8
[ 2309.139725][T19976] R13: 00000000686e665f R14: 0000000000499600 R15: 00007ffdbe998d90
| [ 2313.606913][T20006] ------------[ cut here ]------------
| [2313.608594][T20006] WARNING: CPU: 2 PID: 20006 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) 
| [ 2313.609250][T20006] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2313.610579][T20006] Tainted: [W]=WARN
[ 2313.610829][T20006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2313.611227][T20006] 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) 
[ 2313.611552][T20006] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2313.612655][T20006] RSP: 0018:ffffc9000439f080 EFLAGS: 00010246
[ 2313.613053][T20006] RAX: 0000000000000000 RBX: ffff8880174a2000 RCX: 0000000000000001
[ 2313.613527][T20006] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2313.613989][T20006] RBP: ffffc9000439f168 R08: 0000000000000000 R09: 0000000000000000
[ 2313.614478][T20006] R10: ffffc9000439f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000873e14
[ 2313.614949][T20006] R13: 00000000000005dc R14: ffffc9000439f198 R15: ffff8880174a2f48
[ 2313.615423][T20006] FS:  00007fe402773800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2313.615968][T20006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2313.616375][T20006] CR2: 000000000043d940 CR3: 000000001bd05003 CR4: 0000000000772ef0
[ 2313.616844][T20006] PKRU: 55555554
[ 2313.617083][T20006] Call Trace:
[ 2313.617333][T20006]  <TASK>
[2313.617504][T20006] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2313.617823][T20006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2313.618173][T20006] netif_set_mtu (net/core/dev.c:9652) 
[2313.618497][T20006] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2313.618833][T20006] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2313.619078][T20006] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2313.619407][T20006] br_add_if (net/bridge/br_if.c:697) 
[2313.619669][T20006] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2313.619983][T20006] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2313.620309][T20006] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2313.620642][T20006] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2313.620963][T20006] ? __dev_get_by_name (net/core/dev.c:865) 
[2313.621291][T20006] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2313.621605][T20006] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2313.621923][T20006] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2313.622273][T20006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2313.622595][T20006] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2313.622920][T20006] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2313.623252][T20006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2313.623587][T20006] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2313.623901][T20006] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2313.624224][T20006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2313.624538][T20006] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2313.624854][T20006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2313.625183][T20006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2313.625502][T20006] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2313.625833][T20006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2313.626172][T20006] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2313.626507][T20006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2313.626820][T20006] ? 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) 
[2313.627148][T20006] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2313.627469][T20006] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2313.627787][T20006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2313.628121][T20006] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2313.628443][T20006] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2313.628759][T20006] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2313.629078][T20006] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2313.629410][T20006] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2313.629721][T20006] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2313.630142][T20006] ___sys_sendmsg (net/socket.c:2670) 
[2313.630476][T20006] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2313.630792][T20006] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2313.631123][T20006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2313.631443][T20006] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2313.631766][T20006] ? __handle_mm_fault (mm/memory.c:6212) 
[2313.632081][T20006] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2313.632406][T20006] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2313.632749][T20006] __sys_sendmsg (net/socket.c:2700) 
[2313.633063][T20006] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2313.633389][T20006] ? 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) 
[2313.633712][T20006] ? 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) 
[2313.634030][T20006] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2313.634368][T20006] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2313.634690][T20006] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2313.635083][T20006] RIP: 0033:0x7fe4029401e7
[ 2313.635420][T20006] 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)
[ 2313.636516][T20006] RSP: 002b:00007fff092ed008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2313.636989][T20006] RAX: ffffffffffffffda RBX: 00007fff092ed740 RCX: 00007fe4029401e7
[ 2313.637463][T20006] RDX: 0000000000000000 RSI: 00007fff092ed070 RDI: 0000000000000005
[ 2313.637927][T20006] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2313.638415][T20006] R10: 00007fe4029ceac0 R11: 0000000000000246 R12: 00007fff092ed778
[ 2313.638879][T20006] R13: 00000000686e6663 R14: 0000000000499600 R15: 00007fff092ed160
| [ 2320.916433][T20071] ------------[ cut here ]------------
| [2320.916755][T20071] WARNING: CPU: 3 PID: 20071 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) 
| [ 2320.917378][T20071] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2320.918657][T20071] Tainted: [W]=WARN
[ 2320.918896][T20071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2320.919285][T20071] 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) 
[ 2320.919598][T20071] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2320.920795][T20071] RSP: 0018:ffffc90003fbf080 EFLAGS: 00010246
[ 2320.921198][T20071] RAX: 0000000000000000 RBX: ffff888007d0a000 RCX: 0000000000000001
[ 2320.921666][T20071] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2320.922159][T20071] RBP: ffffc90003fbf168 R08: 0000000000000000 R09: 0000000000000000
[ 2320.922635][T20071] R10: ffffc90003fbf198 R11: ffffffff8bf8d1e0 R12: 1ffff920007f7e14
[ 2320.923122][T20071] R13: 00000000000005dc R14: ffffc90003fbf198 R15: ffff888007d0af48
[ 2320.923579][T20071] FS:  00007fccbba95800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2320.924130][T20071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2320.924513][T20071] CR2: 00007fccbbc80ba0 CR3: 000000000ad8b003 CR4: 0000000000772ef0
[ 2320.924966][T20071] PKRU: 55555554
[ 2320.925225][T20071] Call Trace:
[ 2320.925467][T20071]  <TASK>
[2320.925624][T20071] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2320.925931][T20071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2320.926279][T20071] netif_set_mtu (net/core/dev.c:9652) 
[2320.926598][T20071] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2320.926917][T20071] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2320.927159][T20071] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2320.927470][T20071] br_add_if (net/bridge/br_if.c:697) 
[2320.927716][T20071] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2320.928020][T20071] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2320.928336][T20071] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2320.928655][T20071] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2320.928955][T20071] ? __dev_get_by_name (net/core/dev.c:865) 
[2320.929267][T20071] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2320.929592][T20071] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2320.929897][T20071] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2320.930222][T20071] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2320.930554][T20071] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2320.930879][T20071] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2320.931199][T20071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2320.931553][T20071] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2320.931858][T20071] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2320.932179][T20071] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2320.932495][T20071] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2320.932799][T20071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2320.933129][T20071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2320.933458][T20071] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2320.933762][T20071] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2320.934065][T20071] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2320.934401][T20071] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2320.934722][T20071] ? 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) 
[2320.935025][T20071] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2320.935337][T20071] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2320.935672][T20071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2320.935991][T20071] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2320.936313][T20071] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2320.936625][T20071] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2320.936933][T20071] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2320.937250][T20071] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2320.937566][T20071] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2320.937963][T20071] ___sys_sendmsg (net/socket.c:2670) 
[2320.938288][T20071] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2320.938608][T20071] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2320.938932][T20071] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2320.939250][T20071] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2320.939562][T20071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2320.939883][T20071] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2320.940210][T20071] __sys_sendmsg (net/socket.c:2700) 
[2320.940526][T20071] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2320.940847][T20071] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2320.941171][T20071] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2320.941483][T20071] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2320.941861][T20071] RIP: 0033:0x7fccbbc621e7
[ 2320.942194][T20071] 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)
[ 2320.943300][T20071] RSP: 002b:00007fff46fe5328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2320.943756][T20071] RAX: ffffffffffffffda RBX: 00007fff46fe5a60 RCX: 00007fccbbc621e7
[ 2320.944214][T20071] RDX: 0000000000000000 RSI: 00007fff46fe5390 RDI: 0000000000000005
[ 2320.944679][T20071] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2320.945137][T20071] R10: 00007fccbbcf0ac0 R11: 0000000000000246 R12: 00007fff46fe5a98
[ 2320.945594][T20071] R13: 00000000686e666b R14: 0000000000499600 R15: 00007fff46fe5480
| [ 2325.393961][T20101] ------------[ cut here ]------------
| [2325.394306][T20101] WARNING: CPU: 3 PID: 20101 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) 
| [ 2325.394935][T20101] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2325.396277][T20101] Tainted: [W]=WARN
[ 2325.396522][T20101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2325.396932][T20101] 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) 
[ 2325.397285][T20101] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2325.398465][T20101] RSP: 0018:ffffc9000462f080 EFLAGS: 00010246
[ 2325.398870][T20101] RAX: 0000000000000000 RBX: ffff888016a42000 RCX: 0000000000000001
[ 2325.399363][T20101] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2325.399847][T20101] RBP: ffffc9000462f168 R08: 0000000000000000 R09: 0000000000000000
[ 2325.400335][T20101] R10: ffffc9000462f198 R11: ffffffff8bf8d1e0 R12: 1ffff920008c5e14
[ 2325.400823][T20101] R13: 00000000000005dc R14: ffffc9000462f198 R15: ffff888016a42f48
[ 2325.401334][T20101] FS:  00007f0095338800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2325.401924][T20101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2325.402336][T20101] CR2: 00007f0095523ba0 CR3: 00000000063de004 CR4: 0000000000772ef0
[ 2325.402819][T20101] PKRU: 55555554
[ 2325.403068][T20101] Call Trace:
[ 2325.403466][T20101]  <TASK>
[2325.403625][T20101] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2325.403934][T20101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.404259][T20101] netif_set_mtu (net/core/dev.c:9652) 
[2325.404569][T20101] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2325.404890][T20101] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2325.405181][T20101] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2325.405517][T20101] br_add_if (net/bridge/br_if.c:697) 
[2325.405766][T20101] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2325.406066][T20101] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2325.406386][T20101] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2325.406694][T20101] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2325.406997][T20101] ? __dev_get_by_name (net/core/dev.c:865) 
[2325.407308][T20101] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2325.407609][T20101] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2325.407917][T20101] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2325.408230][T20101] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2325.408540][T20101] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2325.408856][T20101] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2325.409190][T20101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.409529][T20101] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2325.409828][T20101] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.410143][T20101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.410461][T20101] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2325.410778][T20101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.411084][T20101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.411401][T20101] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2325.411709][T20101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.412019][T20101] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2325.412349][T20101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2325.412661][T20101] ? 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) 
[2325.412964][T20101] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2325.413292][T20101] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2325.413621][T20101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.413932][T20101] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2325.414248][T20101] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2325.414558][T20101] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2325.414869][T20101] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2325.415192][T20101] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2325.415493][T20101] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2325.415885][T20101] ___sys_sendmsg (net/socket.c:2670) 
[2325.416201][T20101] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2325.416508][T20101] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2325.416815][T20101] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2325.417144][T20101] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2325.417480][T20101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.417799][T20101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.418124][T20101] __sys_sendmsg (net/socket.c:2700) 
[2325.418437][T20101] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2325.418757][T20101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.419064][T20101] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2325.419378][T20101] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2325.419762][T20101] RIP: 0033:0x7f00955051e7
[ 2325.420078][T20101] 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)
[ 2325.421184][T20101] RSP: 002b:00007ffc3cc77e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2325.421670][T20101] RAX: ffffffffffffffda RBX: 00007ffc3cc785a0 RCX: 00007f00955051e7
[ 2325.422140][T20101] RDX: 0000000000000000 RSI: 00007ffc3cc77ed0 RDI: 0000000000000005
[ 2325.422589][T20101] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2325.423043][T20101] R10: 00007f0095593ac0 R11: 0000000000000246 R12: 00007ffc3cc785d8
[ 2325.423502][T20101] R13: 00000000686e666f R14: 0000000000499600 R15: 00007ffc3cc77fc0
| [ 2341.050945][T20202] ------------[ cut here ]------------
| [2341.051312][T20202] WARNING: CPU: 2 PID: 20202 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) 
| [ 2341.051941][T20202] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2341.053737][T20202] Tainted: [W]=WARN
[ 2341.053986][T20202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2341.054409][T20202] 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) 
[ 2341.054739][T20202] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2341.055870][T20202] RSP: 0018:ffffc900034af080 EFLAGS: 00010246
[ 2341.056283][T20202] RAX: 0000000000000000 RBX: ffff88801a79a000 RCX: 0000000000000001
[ 2341.056745][T20202] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2341.057228][T20202] RBP: ffffc900034af168 R08: 0000000000000000 R09: 0000000000000000
[ 2341.057693][T20202] R10: ffffc900034af198 R11: ffffffff8bf8d1e0 R12: 1ffff92000695e14
[ 2341.058172][T20202] R13: 00000000000005dc R14: ffffc900034af198 R15: ffff88801a79af48
[ 2341.058639][T20202] FS:  00007f6aa47f9800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2341.059213][T20202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2341.059611][T20202] CR2: 000000000043d940 CR3: 0000000012a38001 CR4: 0000000000772ef0
[ 2341.060078][T20202] PKRU: 55555554
[ 2341.060331][T20202] Call Trace:
[ 2341.060591][T20202]  <TASK>
[2341.060762][T20202] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2341.061082][T20202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2341.061426][T20202] netif_set_mtu (net/core/dev.c:9652) 
[2341.061752][T20202] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2341.062080][T20202] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2341.062338][T20202] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2341.062660][T20202] br_add_if (net/bridge/br_if.c:697) 
[2341.062914][T20202] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2341.063249][T20202] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2341.063571][T20202] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2341.063895][T20202] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2341.064219][T20202] ? __dev_get_by_name (net/core/dev.c:865) 
[2341.064536][T20202] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2341.064851][T20202] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2341.065179][T20202] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2341.065496][T20202] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2341.065816][T20202] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2341.066154][T20202] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2341.066485][T20202] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2341.066820][T20202] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2341.067157][T20202] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2341.067488][T20202] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2341.067801][T20202] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2341.068133][T20202] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2341.068461][T20202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2341.068792][T20202] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2341.069120][T20202] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2341.069437][T20202] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2341.069762][T20202] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2341.070072][T20202] ? 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) 
[2341.070401][T20202] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2341.070723][T20202] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2341.071048][T20202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2341.071398][T20202] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2341.071723][T20202] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2341.072039][T20202] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2341.072375][T20202] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2341.072695][T20202] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2341.073011][T20202] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2341.073434][T20202] ___sys_sendmsg (net/socket.c:2670) 
[2341.073753][T20202] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2341.074067][T20202] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2341.074400][T20202] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2341.074714][T20202] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2341.075033][T20202] ? __handle_mm_fault (mm/memory.c:6212) 
[2341.075374][T20202] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2341.075698][T20202] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2341.076033][T20202] __sys_sendmsg (net/socket.c:2700) 
[2341.076359][T20202] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2341.076677][T20202] ? 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) 
[2341.077001][T20202] ? 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) 
[2341.077370][T20202] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2341.077692][T20202] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2341.078017][T20202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2341.078420][T20202] RIP: 0033:0x7f6aa49c61e7
[ 2341.078747][T20202] 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)
[ 2341.079857][T20202] RSP: 002b:00007ffc0842d988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2341.080352][T20202] RAX: ffffffffffffffda RBX: 00007ffc0842e0c0 RCX: 00007f6aa49c61e7
[ 2341.080829][T20202] RDX: 0000000000000000 RSI: 00007ffc0842d9f0 RDI: 0000000000000005
[ 2341.081309][T20202] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2341.081771][T20202] R10: 00007f6aa4a54ac0 R11: 0000000000000246 R12: 00007ffc0842e0f8
[ 2341.082255][T20202] R13: 00000000686e667f R14: 0000000000499600 R15: 00007ffc0842dae0
| [ 2345.523951][T20232] ------------[ cut here ]------------
| [2345.525770][T20232] WARNING: CPU: 1 PID: 20232 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) 
| [ 2345.526452][T20232] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2345.527833][T20232] Tainted: [W]=WARN
[ 2345.528078][T20232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2345.528498][T20232] 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) 
[ 2345.528829][T20232] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2345.530016][T20232] RSP: 0018:ffffc90003c4f080 EFLAGS: 00010246
[ 2345.530431][T20232] RAX: 0000000000000000 RBX: ffff888007d0a000 RCX: 0000000000000001
[ 2345.530956][T20232] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2345.531444][T20232] RBP: ffffc90003c4f168 R08: 0000000000000000 R09: 0000000000000000
[ 2345.531937][T20232] R10: ffffc90003c4f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000789e14
[ 2345.532425][T20232] R13: 00000000000005dc R14: ffffc90003c4f198 R15: ffff888007d0af48
[ 2345.532902][T20232] FS:  00007f8e862be800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[ 2345.533468][T20232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2345.533879][T20232] CR2: 000000000043d940 CR3: 000000000d0a1003 CR4: 0000000000772ef0
[ 2345.534378][T20232] PKRU: 55555554
[ 2345.534619][T20232] Call Trace:
[ 2345.534886][T20232]  <TASK>
[2345.535054][T20232] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2345.535388][T20232] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2345.535723][T20232] netif_set_mtu (net/core/dev.c:9652) 
[2345.536042][T20232] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2345.536387][T20232] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2345.536642][T20232] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2345.536963][T20232] br_add_if (net/bridge/br_if.c:697) 
[2345.537225][T20232] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2345.537544][T20232] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2345.537870][T20232] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2345.538202][T20232] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2345.538523][T20232] ? __dev_get_by_name (net/core/dev.c:865) 
[2345.538881][T20232] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2345.539213][T20232] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2345.539540][T20232] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2345.539859][T20232] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2345.540191][T20232] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2345.540546][T20232] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2345.540893][T20232] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2345.541242][T20232] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2345.541576][T20232] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2345.541915][T20232] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2345.542253][T20232] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2345.542578][T20232] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2345.542934][T20232] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2345.543278][T20232] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2345.543610][T20232] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2345.543938][T20232] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2345.544284][T20232] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2345.544603][T20232] ? 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) 
[2345.544926][T20232] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2345.545272][T20232] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2345.545591][T20232] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2345.545919][T20232] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2345.546259][T20232] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2345.546583][T20232] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2345.546944][T20232] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2345.547285][T20232] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2345.547606][T20232] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2345.548017][T20232] ___sys_sendmsg (net/socket.c:2670) 
[2345.548350][T20232] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2345.548692][T20232] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2345.549018][T20232] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2345.549347][T20232] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2345.549675][T20232] ? __handle_mm_fault (mm/memory.c:6212) 
[2345.549995][T20232] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2345.550311][T20232] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2345.550653][T20232] __sys_sendmsg (net/socket.c:2700) 
[2345.550999][T20232] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2345.551331][T20232] ? 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) 
[2345.551659][T20232] ? 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) 
[2345.551977][T20232] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2345.552309][T20232] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2345.552630][T20232] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2345.553019][T20232] RIP: 0033:0x7f8e8648b1e7
[ 2345.553370][T20232] 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)
[ 2345.554519][T20232] RSP: 002b:00007ffe0bab7748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2345.555029][T20232] RAX: ffffffffffffffda RBX: 00007ffe0bab7e80 RCX: 00007f8e8648b1e7
[ 2345.555531][T20232] RDX: 0000000000000000 RSI: 00007ffe0bab77b0 RDI: 0000000000000005
[ 2345.556010][T20232] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2345.556498][T20232] R10: 00007f8e86519ac0 R11: 0000000000000246 R12: 00007ffe0bab7eb8
[ 2345.556975][T20232] R13: 00000000686e6683 R14: 0000000000499600 R15: 00007ffe0bab78a0
| [ 2353.158266][T20298] ------------[ cut here ]------------
| [2353.158605][T20298] WARNING: CPU: 3 PID: 20298 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) 
| [ 2353.159241][T20298] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2353.160572][T20298] Tainted: [W]=WARN
[ 2353.160805][T20298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2353.161199][T20298] 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) 
[ 2353.161518][T20298] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2353.162661][T20298] RSP: 0018:ffffc900076ff080 EFLAGS: 00010246
[ 2353.163050][T20298] RAX: 0000000000000000 RBX: ffff8880150b2000 RCX: 0000000000000001
[ 2353.163519][T20298] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2353.163975][T20298] RBP: ffffc900076ff168 R08: 0000000000000000 R09: 0000000000000000
[ 2353.164448][T20298] R10: ffffc900076ff198 R11: ffffffff8bf8d1e0 R12: 1ffff92000edfe14
[ 2353.164910][T20298] R13: 00000000000005dc R14: ffffc900076ff198 R15: ffff8880150b2f48
[ 2353.165382][T20298] FS:  00007f8474caa800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2353.165925][T20298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2353.166324][T20298] CR2: 00005588bda92dec CR3: 000000000d956002 CR4: 0000000000772ef0
[ 2353.166798][T20298] PKRU: 55555554
[ 2353.167036][T20298] Call Trace:
[ 2353.167274][T20298]  <TASK>
[2353.167435][T20298] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2353.167743][T20298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2353.168063][T20298] netif_set_mtu (net/core/dev.c:9652) 
[2353.168382][T20298] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2353.168707][T20298] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2353.168955][T20298] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2353.169275][T20298] br_add_if (net/bridge/br_if.c:697) 
[2353.169519][T20298] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2353.169823][T20298] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2353.170137][T20298] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2353.170451][T20298] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2353.170768][T20298] ? __dev_get_by_name (net/core/dev.c:865) 
[2353.171085][T20298] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2353.171402][T20298] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2353.171711][T20298] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2353.172014][T20298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2353.172342][T20298] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2353.172660][T20298] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2353.172973][T20298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2353.173305][T20298] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2353.173616][T20298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2353.173919][T20298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2353.174234][T20298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2353.174543][T20298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2353.174853][T20298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2353.175174][T20298] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2353.175479][T20298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2353.175790][T20298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2353.176119][T20298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2353.176437][T20298] ? 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) 
[2353.176742][T20298] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2353.177048][T20298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2353.177360][T20298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2353.177671][T20298] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2353.177988][T20298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2353.178308][T20298] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2353.178622][T20298] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2353.178930][T20298] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2353.179243][T20298] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2353.179658][T20298] ___sys_sendmsg (net/socket.c:2670) 
[2353.179967][T20298] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2353.180301][T20298] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2353.180627][T20298] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2353.180935][T20298] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2353.181253][T20298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2353.181591][T20298] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2353.181906][T20298] __sys_sendmsg (net/socket.c:2700) 
[2353.182231][T20298] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2353.182549][T20298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2353.182862][T20298] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2353.183178][T20298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2353.183557][T20298] RIP: 0033:0x7f8474e771e7
[ 2353.183871][T20298] 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)
[ 2353.184986][T20298] RSP: 002b:00007ffe2afb1028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2353.185455][T20298] RAX: ffffffffffffffda RBX: 00007ffe2afb1760 RCX: 00007f8474e771e7
[ 2353.185910][T20298] RDX: 0000000000000000 RSI: 00007ffe2afb1090 RDI: 0000000000000005
[ 2353.186382][T20298] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2353.186841][T20298] R10: 00007f8474f05ac0 R11: 0000000000000246 R12: 00007ffe2afb1798
[ 2353.187310][T20298] R13: 00000000686e668b R14: 0000000000499600 R15: 00007ffe2afb1180
| [ 2357.682442][T20328] ------------[ cut here ]------------
| [2357.682801][T20328] WARNING: CPU: 1 PID: 20328 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) 
| [ 2357.683476][T20328] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2357.684827][T20328] Tainted: [W]=WARN
[ 2357.685073][T20328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2357.685488][T20328] 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) 
[ 2357.685834][T20328] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2357.687014][T20328] RSP: 0018:ffffc9000497f080 EFLAGS: 00010246
[ 2357.687414][T20328] RAX: 0000000000000000 RBX: ffff88800d5f2000 RCX: 0000000000000001
[ 2357.687921][T20328] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2357.688413][T20328] RBP: ffffc9000497f168 R08: 0000000000000000 R09: 0000000000000000
[ 2357.688877][T20328] R10: ffffc9000497f198 R11: ffffffff8bf8d1e0 R12: 1ffff9200092fe14
[ 2357.689361][T20328] R13: 00000000000005dc R14: ffffc9000497f198 R15: ffff88800d5f2f48
[ 2357.689836][T20328] FS:  00007f8eef111800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[ 2357.690400][T20328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2357.690871][T20328] CR2: 00007f84dad05ba0 CR3: 0000000009fd3004 CR4: 0000000000772ef0
[ 2357.691342][T20328] PKRU: 55555554
[ 2357.691573][T20328] Call Trace:
[ 2357.691802][T20328]  <TASK>
[2357.691962][T20328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2357.692282][T20328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2357.692610][T20328] netif_set_mtu (net/core/dev.c:9652) 
[2357.692921][T20328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2357.693250][T20328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2357.693505][T20328] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2357.693822][T20328] br_add_if (net/bridge/br_if.c:697) 
[2357.694064][T20328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2357.694377][T20328] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2357.694706][T20328] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2357.695014][T20328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2357.695325][T20328] ? __dev_get_by_name (net/core/dev.c:865) 
[2357.695628][T20328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2357.695928][T20328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2357.696246][T20328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2357.696560][T20328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2357.696888][T20328] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2357.697213][T20328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2357.697521][T20328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2357.697837][T20328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2357.698148][T20328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2357.698475][T20328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2357.698779][T20328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2357.699084][T20328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2357.699408][T20328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2357.699717][T20328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2357.700019][T20328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2357.700334][T20328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2357.700667][T20328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2357.700970][T20328] ? 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) 
[2357.701284][T20328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2357.701604][T20328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2357.701908][T20328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2357.702226][T20328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2357.702537][T20328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2357.702852][T20328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2357.703187][T20328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2357.703497][T20328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2357.703806][T20328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2357.704206][T20328] ___sys_sendmsg (net/socket.c:2670) 
[2357.704515][T20328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2357.704833][T20328] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2357.705153][T20328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2357.705471][T20328] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2357.705795][T20328] ? __handle_mm_fault (mm/memory.c:6212) 
[2357.706114][T20328] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2357.706444][T20328] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2357.706780][T20328] __sys_sendmsg (net/socket.c:2700) 
[2357.707093][T20328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2357.707435][T20328] ? 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) 
[2357.707745][T20328] ? 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) 
[2357.708055][T20328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2357.708380][T20328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2357.708684][T20328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2357.709057][T20328] RIP: 0033:0x7f8eef2de1e7
[ 2357.709388][T20328] 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)
[ 2357.710511][T20328] RSP: 002b:00007fffe6700198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2357.710984][T20328] RAX: ffffffffffffffda RBX: 00007fffe67008d0 RCX: 00007f8eef2de1e7
[ 2357.711451][T20328] RDX: 0000000000000000 RSI: 00007fffe6700200 RDI: 0000000000000005
[ 2357.711906][T20328] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2357.712384][T20328] R10: 00007f8eef36cac0 R11: 0000000000000246 R12: 00007fffe6700908
[ 2357.712838][T20328] R13: 00000000686e6690 R14: 0000000000499600 R15: 00007fffe67002f0
| [ 2373.395193][T20430] ------------[ cut here ]------------
| [2373.395547][T20430] WARNING: CPU: 1 PID: 20430 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) 
| [ 2373.397973][T20430] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2373.399520][T20430] Tainted: [W]=WARN
[ 2373.399752][T20430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2373.400344][T20430] 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) 
[ 2373.400686][T20430] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2373.401894][T20430] RSP: 0018:ffffc90006fff080 EFLAGS: 00010246
[ 2373.402288][T20430] RAX: 0000000000000000 RBX: ffff88801bb6a000 RCX: 0000000000000001
[ 2373.402744][T20430] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2373.403201][T20430] RBP: ffffc90006fff168 R08: 0000000000000000 R09: 0000000000000000
[ 2373.403702][T20430] R10: ffffc90006fff198 R11: ffffffff8bf8d1e0 R12: 1ffff92000dffe14
[ 2373.404191][T20430] R13: 00000000000005dc R14: ffffc90006fff198 R15: ffff88801bb6af48
[ 2373.404670][T20430] FS:  00007f0448f0b800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[ 2373.405248][T20430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2373.405667][T20430] CR2: 000000000043d940 CR3: 0000000016c16004 CR4: 0000000000772ef0
[ 2373.406162][T20430] PKRU: 55555554
[ 2373.406392][T20430] Call Trace:
[ 2373.406619][T20430]  <TASK>
[2373.406777][T20430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2373.407082][T20430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2373.407407][T20430] netif_set_mtu (net/core/dev.c:9652) 
[2373.407752][T20430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2373.408110][T20430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2373.408355][T20430] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2373.408681][T20430] br_add_if (net/bridge/br_if.c:697) 
[2373.408934][T20430] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2373.409266][T20430] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2373.409600][T20430] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2373.409905][T20430] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2373.410221][T20430] ? __dev_get_by_name (net/core/dev.c:865) 
[2373.410533][T20430] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2373.410847][T20430] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2373.411164][T20430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2373.411466][T20430] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2373.411771][T20430] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2373.412087][T20430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2373.412410][T20430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2373.412732][T20430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2373.413032][T20430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2373.413346][T20430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2373.413649][T20430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2373.413956][T20430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2373.414272][T20430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2373.414582][T20430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2373.414884][T20430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2373.415203][T20430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2373.415519][T20430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2373.415819][T20430] ? 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) 
[2373.416136][T20430] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2373.416450][T20430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2373.416750][T20430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2373.417067][T20430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2373.417387][T20430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2373.417692][T20430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2373.418002][T20430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2373.418323][T20430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2373.418627][T20430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2373.419016][T20430] ___sys_sendmsg (net/socket.c:2670) 
[2373.419329][T20430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2373.419648][T20430] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2373.419956][T20430] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2373.420270][T20430] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2373.420593][T20430] ? __handle_mm_fault (mm/memory.c:6212) 
[2373.420897][T20430] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2373.421205][T20430] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2373.421536][T20430] __sys_sendmsg (net/socket.c:2700) 
[2373.421844][T20430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2373.422158][T20430] ? 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) 
[2373.422470][T20430] ? 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) 
[2373.422777][T20430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2373.423084][T20430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2373.423398][T20430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2373.423782][T20430] RIP: 0033:0x7f04490d81e7
[ 2373.424113][T20430] 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)
[ 2373.425203][T20430] RSP: 002b:00007ffc4778caa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2373.425660][T20430] RAX: ffffffffffffffda RBX: 00007ffc4778d1e0 RCX: 00007f04490d81e7
[ 2373.426131][T20430] RDX: 0000000000000000 RSI: 00007ffc4778cb10 RDI: 0000000000000005
[ 2373.426585][T20430] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2373.427034][T20430] R10: 00007f0449166ac0 R11: 0000000000000246 R12: 00007ffc4778d218
[ 2373.427494][T20430] R13: 00000000686e669f R14: 0000000000499600 R15: 00007ffc4778cc00
| [ 2377.882300][T20460] ------------[ cut here ]------------
| [2377.882843][T20460] WARNING: CPU: 3 PID: 20460 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) 
| [ 2377.884913][T20460] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2377.887069][T20460] Tainted: [W]=WARN
[ 2377.887509][T20460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2377.888178][T20460] 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) 
[ 2377.888724][T20460] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2377.890607][T20460] RSP: 0018:ffffc9000690f080 EFLAGS: 00010246
[ 2377.891327][T20460] RAX: 0000000000000000 RBX: ffff888012ea2000 RCX: 0000000000000001
[ 2377.892094][T20460] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2377.893402][T20460] RBP: ffffc9000690f168 R08: 0000000000000000 R09: 0000000000000000
[ 2377.894223][T20460] R10: ffffc9000690f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000d21e14
[ 2377.894974][T20460] R13: 00000000000005dc R14: ffffc9000690f198 R15: ffff888012ea2f48
[ 2377.895694][T20460] FS:  00007f97d97b1800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2377.896643][T20460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2377.897324][T20460] CR2: 00007f97d98b1130 CR3: 0000000018b28004 CR4: 0000000000772ef0
[ 2377.898190][T20460] PKRU: 55555554
[ 2377.898602][T20460] Call Trace:
[ 2377.899007][T20460]  <TASK>
[2377.899303][T20460] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2377.899636][T20460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2377.900008][T20460] netif_set_mtu (net/core/dev.c:9652) 
[2377.900354][T20460] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2377.900889][T20460] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2377.901311][T20460] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2377.901833][T20460] br_add_if (net/bridge/br_if.c:697) 
[2377.902250][T20460] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2377.902798][T20460] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2377.903366][T20460] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2377.903888][T20460] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2377.904433][T20460] ? __dev_get_by_name (net/core/dev.c:865) 
[2377.904974][T20460] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2377.905525][T20460] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2377.906061][T20460] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2377.906468][T20460] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2377.906980][T20460] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2377.907559][T20460] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2377.908123][T20460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2377.908699][T20460] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2377.909231][T20460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2377.909789][T20460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2377.910342][T20460] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2377.910892][T20460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2377.911455][T20460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2377.911996][T20460] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2377.912544][T20460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2377.913076][T20460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2377.913561][T20460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2377.913867][T20460] ? 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) 
[2377.914270][T20460] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2377.914588][T20460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2377.914892][T20460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2377.915222][T20460] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2377.915630][T20460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2377.916047][T20460] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2377.916538][T20460] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2377.917041][T20460] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2377.917605][T20460] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2377.918315][T20460] ___sys_sendmsg (net/socket.c:2670) 
[2377.918675][T20460] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2377.919171][T20460] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2377.919619][T20460] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2377.920127][T20460] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2377.920545][T20460] ? __handle_mm_fault (mm/memory.c:6212) 
[2377.920856][T20460] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2377.921183][T20460] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2377.921655][T20460] __sys_sendmsg (net/socket.c:2700) 
[2377.922193][T20460] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2377.922716][T20460] ? 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) 
[2377.923284][T20460] ? 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) 
[2377.923673][T20460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2377.924176][T20460] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2377.924521][T20460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2377.925120][T20460] RIP: 0033:0x7f97d997e1e7
[ 2377.925584][T20460] 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)
[ 2377.927012][T20460] RSP: 002b:00007ffe0e6e7328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2377.927714][T20460] RAX: ffffffffffffffda RBX: 00007ffe0e6e7a60 RCX: 00007f97d997e1e7
[ 2377.928432][T20460] RDX: 0000000000000000 RSI: 00007ffe0e6e7390 RDI: 0000000000000005
[ 2377.928965][T20460] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2377.929479][T20460] R10: 00007f97d9a0cac0 R11: 0000000000000246 R12: 00007ffe0e6e7a98
[ 2377.930203][T20460] R13: 00000000686e66a4 R14: 0000000000499600 R15: 00007ffe0e6e7480
| [ 2385.593173][T20525] ------------[ cut here ]------------
| [2385.593526][T20525] WARNING: CPU: 2 PID: 20525 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) 
| [ 2385.594166][T20525] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2385.595495][T20525] Tainted: [W]=WARN
[ 2385.595752][T20525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2385.596154][T20525] 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) 
[ 2385.596489][T20525] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2385.597618][T20525] RSP: 0018:ffffc9000375f080 EFLAGS: 00010246
[ 2385.598026][T20525] RAX: 0000000000000000 RBX: ffff88801442a000 RCX: 0000000000000001
[ 2385.598503][T20525] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2385.598970][T20525] RBP: ffffc9000375f168 R08: 0000000000000000 R09: 0000000000000000
[ 2385.599461][T20525] R10: ffffc9000375f198 R11: ffffffff8bf8d1e0 R12: 1ffff920006ebe14
[ 2385.599930][T20525] R13: 00000000000005dc R14: ffffc9000375f198 R15: ffff88801442af48
[ 2385.601283][T20525] FS:  00007fc12dfce800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2385.601862][T20525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2385.602267][T20525] CR2: 00007fc12e1b9ba0 CR3: 000000000cf03006 CR4: 0000000000772ef0
[ 2385.602746][T20525] PKRU: 55555554
[ 2385.602985][T20525] Call Trace:
[ 2385.603250][T20525]  <TASK>
[2385.603423][T20525] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2385.603740][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2385.604067][T20525] netif_set_mtu (net/core/dev.c:9652) 
[2385.604393][T20525] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2385.604724][T20525] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2385.604977][T20525] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2385.605315][T20525] br_add_if (net/bridge/br_if.c:697) 
[2385.605568][T20525] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2385.605884][T20525] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2385.606213][T20525] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2385.606544][T20525] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2385.606855][T20525] ? __dev_get_by_name (net/core/dev.c:865) 
[2385.607196][T20525] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2385.607521][T20525] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2385.607841][T20525] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2385.608170][T20525] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2385.608496][T20525] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2385.608819][T20525] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2385.609152][T20525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2385.609481][T20525] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2385.609799][T20525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2385.610128][T20525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2385.610450][T20525] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2385.610785][T20525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2385.611132][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2385.611456][T20525] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2385.611774][T20525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2385.612089][T20525] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2385.612439][T20525] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2385.612752][T20525] ? 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) 
[2385.613075][T20525] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2385.613405][T20525] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2385.613719][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2385.614037][T20525] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2385.614369][T20525] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2385.614689][T20525] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2385.615012][T20525] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2385.615355][T20525] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2385.615671][T20525] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2385.616069][T20525] ___sys_sendmsg (net/socket.c:2670) 
[2385.616400][T20525] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2385.616718][T20525] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2385.617045][T20525] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2385.617364][T20525] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2385.617684][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2385.618003][T20525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2385.618333][T20525] __sys_sendmsg (net/socket.c:2700) 
[2385.618650][T20525] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2385.618980][T20525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2385.619328][T20525] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2385.619651][T20525] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2385.620036][T20525] RIP: 0033:0x7fc12e19b1e7
[ 2385.620376][T20525] 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)
[ 2385.621535][T20525] RSP: 002b:00007ffc0167d808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2385.622020][T20525] RAX: ffffffffffffffda RBX: 00007ffc0167df40 RCX: 00007fc12e19b1e7
[ 2385.622510][T20525] RDX: 0000000000000000 RSI: 00007ffc0167d870 RDI: 0000000000000005
[ 2385.622982][T20525] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2385.623454][T20525] R10: 00007fc12e229ac0 R11: 0000000000000246 R12: 00007ffc0167df78
[ 2385.623941][T20525] R13: 00000000686e66ab R14: 0000000000499600 R15: 00007ffc0167d960
| [ 2389.976363][T20555] ------------[ cut here ]------------
| [2389.976714][T20555] WARNING: CPU: 0 PID: 20555 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) 
| [ 2389.977359][T20555] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2389.978713][T20555] Tainted: [W]=WARN
[ 2389.978956][T20555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2389.979359][T20555] 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) 
[ 2389.979700][T20555] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2389.980872][T20555] RSP: 0018:ffffc900031af080 EFLAGS: 00010246
[ 2389.981295][T20555] RAX: 0000000000000000 RBX: ffff888005f92000 RCX: 0000000000000001
[ 2389.981778][T20555] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2389.982269][T20555] RBP: ffffc900031af168 R08: 0000000000000000 R09: 0000000000000000
[ 2389.982758][T20555] R10: ffffc900031af198 R11: ffffffff8bf8d1e0 R12: 1ffff92000635e14
[ 2389.983238][T20555] R13: 00000000000005dc R14: ffffc900031af198 R15: ffff888005f92f48
[ 2389.983726][T20555] FS:  00007fe99e87d800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2389.984298][T20555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2389.984705][T20555] CR2: 00007fe99ea68ba0 CR3: 000000001b062002 CR4: 0000000000772ef0
[ 2389.985205][T20555] PKRU: 55555554
[ 2389.985443][T20555] Call Trace:
[ 2389.985679][T20555]  <TASK>
[2389.985862][T20555] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2389.986192][T20555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2389.986529][T20555] netif_set_mtu (net/core/dev.c:9652) 
[2389.986865][T20555] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2389.987211][T20555] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2389.987458][T20555] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2389.987781][T20555] br_add_if (net/bridge/br_if.c:697) 
[2389.988048][T20555] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2389.988376][T20555] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2389.988703][T20555] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2389.989043][T20555] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2389.989367][T20555] ? __dev_get_by_name (net/core/dev.c:865) 
[2389.989684][T20555] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2389.990015][T20555] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2389.990355][T20555] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2389.990682][T20555] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2389.991022][T20555] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2389.991370][T20555] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2389.991691][T20555] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2389.992036][T20555] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2389.992361][T20555] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2389.992686][T20555] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2389.993014][T20555] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2389.993344][T20555] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2389.993667][T20555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2389.994005][T20555] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2389.994333][T20555] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2389.994652][T20555] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2389.994980][T20555] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2389.995317][T20555] ? 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) 
[2389.995637][T20555] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2389.995955][T20555] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2389.996298][T20555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2389.996623][T20555] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2389.996943][T20555] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2389.997292][T20555] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2389.997635][T20555] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2389.997957][T20555] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2389.998297][T20555] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2389.998710][T20555] ___sys_sendmsg (net/socket.c:2670) 
[2389.999027][T20555] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2389.999376][T20555] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2389.999708][T20555] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2390.000044][T20555] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2390.000390][T20555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2390.000735][T20555] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2390.001066][T20555] __sys_sendmsg (net/socket.c:2700) 
[2390.001414][T20555] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2390.001751][T20555] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2390.002073][T20555] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2390.002443][T20555] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2390.002859][T20555] RIP: 0033:0x7fe99ea4a1e7
[ 2390.003220][T20555] 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)
[ 2390.004462][T20555] RSP: 002b:00007ffd38f58d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2390.004973][T20555] RAX: ffffffffffffffda RBX: 00007ffd38f59450 RCX: 00007fe99ea4a1e7
[ 2390.005503][T20555] RDX: 0000000000000000 RSI: 00007ffd38f58d80 RDI: 0000000000000005
[ 2390.006011][T20555] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2390.006532][T20555] R10: 00007fe99ead8ac0 R11: 0000000000000246 R12: 00007ffd38f59488
[ 2390.007031][T20555] R13: 00000000686e66b0 R14: 0000000000499600 R15: 00007ffd38f58e70
| [ 2405.484513][T20657] ------------[ cut here ]------------
| [2405.484836][T20657] WARNING: CPU: 3 PID: 20657 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) 
| [ 2405.485952][T20657] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2405.487286][T20657] Tainted: [W]=WARN
[ 2405.487527][T20657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2405.487928][T20657] 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) 
[ 2405.488279][T20657] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2405.489437][T20657] RSP: 0018:ffffc90001fef080 EFLAGS: 00010246
[ 2405.489842][T20657] RAX: 0000000000000000 RBX: ffff88800da4a000 RCX: 0000000000000001
[ 2405.490326][T20657] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2405.490826][T20657] RBP: ffffc90001fef168 R08: 0000000000000000 R09: 0000000000000000
[ 2405.491323][T20657] R10: ffffc90001fef198 R11: ffffffff8bf8d1e0 R12: 1ffff920003fde14
[ 2405.491797][T20657] R13: 00000000000005dc R14: ffffc90001fef198 R15: ffff88800da4af48
[ 2405.492294][T20657] FS:  00007f904ef2f800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2405.492853][T20657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2405.493275][T20657] CR2: 000000000043d940 CR3: 000000001a8ca001 CR4: 0000000000772ef0
[ 2405.493753][T20657] PKRU: 55555554
[ 2405.493989][T20657] Call Trace:
[ 2405.494236][T20657]  <TASK>
[2405.494400][T20657] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2405.494717][T20657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2405.495046][T20657] netif_set_mtu (net/core/dev.c:9652) 
[2405.495371][T20657] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2405.495710][T20657] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2405.495949][T20657] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2405.496292][T20657] br_add_if (net/bridge/br_if.c:697) 
[2405.496549][T20657] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2405.496873][T20657] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2405.497196][T20657] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2405.497521][T20657] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2405.497841][T20657] ? __dev_get_by_name (net/core/dev.c:865) 
[2405.498192][T20657] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2405.498511][T20657] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2405.498829][T20657] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2405.499148][T20657] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2405.499472][T20657] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2405.499800][T20657] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2405.500145][T20657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2405.500484][T20657] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2405.500804][T20657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2405.501131][T20657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2405.501448][T20657] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2405.501764][T20657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2405.502082][T20657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2405.502407][T20657] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2405.502735][T20657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2405.503051][T20657] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2405.503393][T20657] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2405.503709][T20657] ? 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) 
[2405.504027][T20657] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2405.504368][T20657] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2405.504686][T20657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2405.505012][T20657] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2405.505340][T20657] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2405.505661][T20657] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2405.505983][T20657] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2405.506308][T20657] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2405.506624][T20657] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2405.507026][T20657] ___sys_sendmsg (net/socket.c:2670) 
[2405.507360][T20657] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2405.507677][T20657] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2405.507999][T20657] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2405.508329][T20657] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2405.508664][T20657] ? __handle_mm_fault (mm/memory.c:6212) 
[2405.508977][T20657] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2405.509298][T20657] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2405.509644][T20657] __sys_sendmsg (net/socket.c:2700) 
[2405.509959][T20657] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2405.510278][T20657] ? 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) 
[2405.510613][T20657] ? 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) 
[2405.510931][T20657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2405.511260][T20657] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2405.511578][T20657] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2405.511982][T20657] RIP: 0033:0x7f904f0fc1e7
[ 2405.512330][T20657] 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)
[ 2405.513464][T20657] RSP: 002b:00007fffc9c20d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2405.513956][T20657] RAX: ffffffffffffffda RBX: 00007fffc9c21480 RCX: 00007f904f0fc1e7
[ 2405.514438][T20657] RDX: 0000000000000000 RSI: 00007fffc9c20db0 RDI: 0000000000000005
[ 2405.514913][T20657] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2405.515393][T20657] R10: 00007f904f18aac0 R11: 0000000000000246 R12: 00007fffc9c214b8
[ 2405.515871][T20657] R13: 00000000686e66bf R14: 0000000000499600 R15: 00007fffc9c20ea0
| [ 2409.759492][T20687] ------------[ cut here ]------------
| [2409.759811][T20687] WARNING: CPU: 3 PID: 20687 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) 
| [ 2409.760484][T20687] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2409.761759][T20687] Tainted: [W]=WARN
[ 2409.761994][T20687] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2409.762398][T20687] 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) 
[ 2409.762716][T20687] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2409.763827][T20687] RSP: 0018:ffffc90001017080 EFLAGS: 00010246
[ 2409.764232][T20687] RAX: 0000000000000000 RBX: ffff88801442a000 RCX: 0000000000000001
[ 2409.764702][T20687] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2409.765189][T20687] RBP: ffffc90001017168 R08: 0000000000000000 R09: 0000000000000000
[ 2409.765645][T20687] R10: ffffc90001017198 R11: ffffffff8bf8d1e0 R12: 1ffff92000202e14
[ 2409.766136][T20687] R13: 00000000000005dc R14: ffffc90001017198 R15: ffff88801442af48
[ 2409.766609][T20687] FS:  00007f342d73d800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2409.767161][T20687] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2409.767560][T20687] CR2: 000000000043d940 CR3: 000000000be26005 CR4: 0000000000772ef0
[ 2409.768042][T20687] PKRU: 55555554
[ 2409.768285][T20687] Call Trace:
[ 2409.768518][T20687]  <TASK>
[2409.768684][T20687] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2409.768994][T20687] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2409.769325][T20687] netif_set_mtu (net/core/dev.c:9652) 
[2409.769636][T20687] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2409.769956][T20687] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2409.770201][T20687] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2409.770515][T20687] br_add_if (net/bridge/br_if.c:697) 
[2409.770771][T20687] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2409.771085][T20687] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2409.771417][T20687] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2409.771729][T20687] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2409.772034][T20687] ? __dev_get_by_name (net/core/dev.c:865) 
[2409.772352][T20687] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2409.772658][T20687] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2409.772972][T20687] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2409.773293][T20687] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2409.773603][T20687] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2409.773922][T20687] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2409.774244][T20687] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2409.774563][T20687] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2409.774867][T20687] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2409.775221][T20687] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2409.775532][T20687] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2409.775846][T20687] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2409.776164][T20687] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2409.776514][T20687] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2409.776830][T20687] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2409.777149][T20687] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2409.777468][T20687] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2409.777771][T20687] ? 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) 
[2409.778085][T20687] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2409.778406][T20687] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2409.778712][T20687] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2409.779025][T20687] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2409.779358][T20687] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2409.779668][T20687] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2409.779981][T20687] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2409.780309][T20687] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2409.780626][T20687] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2409.781020][T20687] ___sys_sendmsg (net/socket.c:2670) 
[2409.781341][T20687] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2409.781649][T20687] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2409.781959][T20687] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2409.782273][T20687] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2409.782592][T20687] ? __handle_mm_fault (mm/memory.c:6212) 
[2409.782898][T20687] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2409.783224][T20687] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2409.783555][T20687] __sys_sendmsg (net/socket.c:2700) 
[2409.783886][T20687] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2409.784202][T20687] ? 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) 
[2409.784522][T20687] ? 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) 
[2409.784831][T20687] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2409.785152][T20687] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2409.785478][T20687] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2409.785858][T20687] RIP: 0033:0x7f342d90a1e7
[ 2409.786187][T20687] 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)
[ 2409.787313][T20687] RSP: 002b:00007fff3fed3ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2409.787781][T20687] RAX: ffffffffffffffda RBX: 00007fff3fed42e0 RCX: 00007f342d90a1e7
[ 2409.788289][T20687] RDX: 0000000000000000 RSI: 00007fff3fed3c10 RDI: 0000000000000005
[ 2409.788982][T20687] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2409.789454][T20687] R10: 00007f342d998ac0 R11: 0000000000000246 R12: 00007fff3fed4318
[ 2409.789907][T20687] R13: 00000000686e66c4 R14: 0000000000499600 R15: 00007fff3fed3d00
| [ 2417.126767][T20753] ------------[ cut here ]------------
| [2417.127073][T20753] WARNING: CPU: 0 PID: 20753 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) 
| [ 2417.128631][T20753] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2417.129883][T20753] Tainted: [W]=WARN
[ 2417.130128][T20753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2417.130511][T20753] 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) 
[ 2417.130833][T20753] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2417.131920][T20753] RSP: 0018:ffffc9000407f080 EFLAGS: 00010246
[ 2417.132327][T20753] RAX: 0000000000000000 RBX: ffff88800bada000 RCX: 0000000000000001
[ 2417.132791][T20753] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2417.133252][T20753] RBP: ffffc9000407f168 R08: 0000000000000000 R09: 0000000000000000
[ 2417.133703][T20753] R10: ffffc9000407f198 R11: ffffffff8bf8d1e0 R12: 1ffff9200080fe14
[ 2417.134166][T20753] R13: 00000000000005dc R14: ffffc9000407f198 R15: ffff88800badaf48
[ 2417.134636][T20753] FS:  00007fd423641800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2417.135172][T20753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2417.135555][T20753] CR2: 00007fd423741130 CR3: 000000000d42d002 CR4: 0000000000772ef0
[ 2417.136010][T20753] PKRU: 55555554
[ 2417.136245][T20753] Call Trace:
[ 2417.136472][T20753]  <TASK>
[2417.136638][T20753] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2417.136941][T20753] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2417.137264][T20753] netif_set_mtu (net/core/dev.c:9652) 
[2417.137566][T20753] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2417.137882][T20753] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2417.138136][T20753] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2417.138444][T20753] br_add_if (net/bridge/br_if.c:697) 
[2417.138683][T20753] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2417.138990][T20753] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2417.139307][T20753] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2417.139611][T20753] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2417.139911][T20753] ? __dev_get_by_name (net/core/dev.c:865) 
[2417.140224][T20753] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2417.140525][T20753] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2417.140846][T20753] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2417.141180][T20753] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2417.141486][T20753] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2417.141796][T20753] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2417.142127][T20753] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2417.142443][T20753] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2417.142740][T20753] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2417.143042][T20753] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2417.143352][T20753] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2417.143662][T20753] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2417.143967][T20753] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2417.144288][T20753] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2417.144586][T20753] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2417.144889][T20753] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2417.145214][T20753] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2417.145516][T20753] ? 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) 
[2417.145825][T20753] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2417.146143][T20753] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2417.146445][T20753] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2417.146750][T20753] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2417.147054][T20753] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2417.147366][T20753] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2417.147675][T20753] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2417.147989][T20753] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2417.148303][T20753] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2417.148689][T20753] ___sys_sendmsg (net/socket.c:2670) 
[2417.148995][T20753] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2417.149310][T20753] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2417.149615][T20753] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2417.149913][T20753] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2417.150237][T20753] ? __handle_mm_fault (mm/memory.c:6212) 
[2417.150542][T20753] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2417.150849][T20753] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2417.151178][T20753] __sys_sendmsg (net/socket.c:2700) 
[2417.151483][T20753] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2417.151785][T20753] ? 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) 
[2417.152091][T20753] ? 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) 
[2417.152412][T20753] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2417.152718][T20753] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2417.153019][T20753] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2417.153409][T20753] RIP: 0033:0x7fd42380e1e7
[ 2417.153722][T20753] 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)
[ 2417.154812][T20753] RSP: 002b:00007fff20596988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2417.155275][T20753] RAX: ffffffffffffffda RBX: 00007fff205970c0 RCX: 00007fd42380e1e7
[ 2417.155731][T20753] RDX: 0000000000000000 RSI: 00007fff205969f0 RDI: 0000000000000005
[ 2417.156195][T20753] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2417.156658][T20753] R10: 00007fd42389cac0 R11: 0000000000000246 R12: 00007fff205970f8
[ 2417.157123][T20753] R13: 00000000686e66cb R14: 0000000000499600 R15: 00007fff20596ae0
| [ 2421.358164][T20783] ------------[ cut here ]------------
| [2421.358476][T20783] WARNING: CPU: 0 PID: 20783 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) 
| [ 2421.359077][T20783] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2421.360345][T20783] Tainted: [W]=WARN
[ 2421.360582][T20783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2421.360971][T20783] 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) 
[ 2421.361290][T20783] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2421.362379][T20783] RSP: 0018:ffffc90000b47080 EFLAGS: 00010246
[ 2421.362760][T20783] RAX: 0000000000000000 RBX: ffff8880091d2000 RCX: 0000000000000001
[ 2421.363222][T20783] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2421.363672][T20783] RBP: ffffc90000b47168 R08: 0000000000000000 R09: 0000000000000000
[ 2421.364139][T20783] R10: ffffc90000b47198 R11: ffffffff8bf8d1e0 R12: 1ffff92000168e14
[ 2421.364599][T20783] R13: 00000000000005dc R14: ffffc90000b47198 R15: ffff8880091d2f48
[ 2421.365053][T20783] FS:  00007fdf9c4d4800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[ 2421.365587][T20783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2421.365967][T20783] CR2: 00007fdf9c6bfba0 CR3: 0000000019cab002 CR4: 0000000000772ef0
[ 2421.366444][T20783] PKRU: 55555554
[ 2421.366670][T20783] Call Trace:
[ 2421.366897][T20783]  <TASK>
[2421.367055][T20783] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2421.367364][T20783] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2421.367681][T20783] netif_set_mtu (net/core/dev.c:9652) 
[2421.367983][T20783] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2421.368312][T20783] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2421.368547][T20783] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2421.368851][T20783] br_add_if (net/bridge/br_if.c:697) 
[2421.369093][T20783] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2421.369404][T20783] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2421.369707][T20783] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2421.370011][T20783] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2421.370325][T20783] ? __dev_get_by_name (net/core/dev.c:865) 
[2421.370645][T20783] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2421.370949][T20783] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2421.371273][T20783] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2421.371574][T20783] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2421.371880][T20783] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2421.372204][T20783] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2421.372512][T20783] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2421.372824][T20783] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2421.373139][T20783] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2421.373444][T20783] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2421.373744][T20783] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2421.374048][T20783] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2421.374366][T20783] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2421.374677][T20783] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2421.374977][T20783] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2421.375288][T20783] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2421.375625][T20783] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2421.375943][T20783] ? 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) 
[2421.376259][T20783] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2421.376566][T20783] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2421.376867][T20783] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2421.377185][T20783] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2421.377492][T20783] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2421.377802][T20783] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2421.378119][T20783] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2421.378426][T20783] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2421.378734][T20783] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2421.379127][T20783] ___sys_sendmsg (net/socket.c:2670) 
[2421.379434][T20783] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2421.379738][T20783] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2421.380047][T20783] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2421.380350][T20783] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2421.380665][T20783] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2421.380974][T20783] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2421.381288][T20783] __sys_sendmsg (net/socket.c:2700) 
[2421.381591][T20783] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2421.381908][T20783] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2421.382230][T20783] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2421.382533][T20783] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2421.382905][T20783] RIP: 0033:0x7fdf9c6a11e7
[ 2421.383226][T20783] 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)
[ 2421.384320][T20783] RSP: 002b:00007fff7faa7b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2421.384777][T20783] RAX: ffffffffffffffda RBX: 00007fff7faa8250 RCX: 00007fdf9c6a11e7
[ 2421.385237][T20783] RDX: 0000000000000000 RSI: 00007fff7faa7b80 RDI: 0000000000000005
[ 2421.385685][T20783] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2421.386145][T20783] R10: 00007fdf9c72fac0 R11: 0000000000000246 R12: 00007fff7faa8288
[ 2421.386604][T20783] R13: 00000000686e66cf R14: 0000000000499600 R15: 00007fff7faa7c70
| [ 2485.571793][T21146] ------------[ cut here ]------------
| [2485.572199][T21146] WARNING: CPU: 3 PID: 21146 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) 
| [ 2485.572836][T21146] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2485.574184][T21146] Tainted: [W]=WARN
[ 2485.574429][T21146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2485.574836][T21146] 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) 
[ 2485.575178][T21146] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2485.576350][T21146] RSP: 0018:ffffc90001a9f080 EFLAGS: 00010246
[ 2485.576755][T21146] RAX: 0000000000000000 RBX: ffff88800ace2000 RCX: 0000000000000001
[ 2485.577250][T21146] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2485.577749][T21146] RBP: ffffc90001a9f168 R08: 0000000000000000 R09: 0000000000000000
[ 2485.578250][T21146] R10: ffffc90001a9f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000353e14
[ 2485.578733][T21146] R13: 00000000000005dc R14: ffffc90001a9f198 R15: ffff88800ace2f48
[ 2485.579218][T21146] FS:  00007f1ddde42800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2485.579775][T21146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2485.580199][T21146] CR2: 000000000043d940 CR3: 000000000e431004 CR4: 0000000000772ef0
[ 2485.580697][T21146] PKRU: 55555554
[ 2485.580937][T21146] Call Trace:
[ 2485.581188][T21146]  <TASK>
[2485.581356][T21146] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2485.581676][T21146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2485.582018][T21146] netif_set_mtu (net/core/dev.c:9652) 
[2485.582352][T21146] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2485.582696][T21146] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2485.582936][T21146] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2485.583273][T21146] br_add_if (net/bridge/br_if.c:697) 
[2485.583524][T21146] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2485.583854][T21146] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2485.584197][T21146] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2485.584519][T21146] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2485.584840][T21146] ? __dev_get_by_name (net/core/dev.c:865) 
[2485.585164][T21146] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2485.585482][T21146] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2485.585805][T21146] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2485.586129][T21146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2485.586457][T21146] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2485.586783][T21146] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2485.587124][T21146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2485.587455][T21146] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2485.587773][T21146] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2485.588091][T21146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2485.588431][T21146] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2485.588750][T21146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2485.589072][T21146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2485.589401][T21146] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2485.589736][T21146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2485.590054][T21146] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2485.590398][T21146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2485.590727][T21146] ? 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) 
[2485.591046][T21146] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2485.591372][T21146] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2485.591690][T21146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2485.592004][T21146] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2485.592328][T21146] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2485.592632][T21146] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2485.592941][T21146] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2485.593251][T21146] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2485.593550][T21146] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2485.593938][T21146] ___sys_sendmsg (net/socket.c:2670) 
[2485.594261][T21146] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2485.594567][T21146] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2485.594872][T21146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2485.595179][T21146] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2485.595485][T21146] ? __handle_mm_fault (mm/memory.c:6212) 
[2485.595786][T21146] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2485.596091][T21146] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2485.596434][T21146] __sys_sendmsg (net/socket.c:2700) 
[2485.596741][T21146] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2485.597041][T21146] ? 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) 
[2485.597355][T21146] ? 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) 
[2485.597660][T21146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2485.597964][T21146] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2485.598278][T21146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2485.598672][T21146] RIP: 0033:0x7f1dde00f1e7
[ 2485.598984][T21146] 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)
[ 2485.600088][T21146] RSP: 002b:00007fff34ed64e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2485.600591][T21146] RAX: ffffffffffffffda RBX: 00007fff34ed6c20 RCX: 00007f1dde00f1e7
[ 2485.601049][T21146] RDX: 0000000000000000 RSI: 00007fff34ed6550 RDI: 0000000000000005
[ 2485.601507][T21146] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2485.601962][T21146] R10: 00007f1dde09dac0 R11: 0000000000000246 R12: 00007fff34ed6c58
[ 2485.602431][T21146] R13: 00000000686e670f R14: 0000000000499600 R15: 00007fff34ed6640
| [ 2489.979622][T21176] ------------[ cut here ]------------
| [2489.979980][T21176] WARNING: CPU: 1 PID: 21176 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) 
| [ 2489.980998][T21176] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2489.982348][T21176] Tainted: [W]=WARN
[ 2489.982592][T21176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2489.982998][T21176] 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) 
[ 2489.983353][T21176] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2489.984520][T21176] RSP: 0018:ffffc9000592f080 EFLAGS: 00010246
[ 2489.984926][T21176] RAX: 0000000000000000 RBX: ffff88801bf0a000 RCX: 0000000000000001
[ 2489.985425][T21176] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2489.985908][T21176] RBP: ffffc9000592f168 R08: 0000000000000000 R09: 0000000000000000
[ 2489.986395][T21176] R10: ffffc9000592f198 R11: ffffffff8bf8d1e0 R12: 1ffff92000b25e14
[ 2489.986875][T21176] R13: 00000000000005dc R14: ffffc9000592f198 R15: ffff88801bf0af48
[ 2489.987386][T21176] FS:  00007fc5874ca800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[ 2489.987946][T21176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2489.988359][T21176] CR2: 000000000043d940 CR3: 000000001be9e005 CR4: 0000000000772ef0
[ 2489.988841][T21176] PKRU: 55555554
[ 2489.989081][T21176] Call Trace:
[ 2489.989344][T21176]  <TASK>
[2489.989521][T21176] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2489.989844][T21176] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2489.990192][T21176] netif_set_mtu (net/core/dev.c:9652) 
[2489.990513][T21176] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2489.990859][T21176] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2489.991127][T21176] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2489.991457][T21176] br_add_if (net/bridge/br_if.c:697) 
[2489.991709][T21176] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2489.992040][T21176] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2489.992378][T21176] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2489.992714][T21176] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2489.993032][T21176] ? __dev_get_by_name (net/core/dev.c:865) 
[2489.993363][T21176] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2489.993684][T21176] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2489.994011][T21176] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2489.994345][T21176] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2489.994679][T21176] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2489.995014][T21176] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2489.995363][T21176] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2489.995697][T21176] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2489.996016][T21176] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2489.996350][T21176] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2489.996673][T21176] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2489.997002][T21176] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2489.997336][T21176] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2489.997671][T21176] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2489.997992][T21176] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2489.998327][T21176] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2489.998660][T21176] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2489.998978][T21176] ? 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) 
[2489.999330][T21176] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2489.999655][T21176] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2489.999972][T21176] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2490.000304][T21176] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2490.000627][T21176] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2490.000959][T21176] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2490.001298][T21176] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2490.001638][T21176] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2490.001956][T21176] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2490.002383][T21176] ___sys_sendmsg (net/socket.c:2670) 
[2490.002708][T21176] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2490.003030][T21176] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2490.003372][T21176] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2490.003694][T21176] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2490.004031][T21176] ? __handle_mm_fault (mm/memory.c:6212) 
[2490.004364][T21176] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2490.004686][T21176] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2490.005029][T21176] __sys_sendmsg (net/socket.c:2700) 
[2490.005358][T21176] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2490.005681][T21176] ? 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) 
[2490.006017][T21176] ? 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) 
[2490.006345][T21176] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2490.006676][T21176] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2490.006999][T21176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2490.007413][T21176] RIP: 0033:0x7fc5876971e7
[ 2490.007745][T21176] 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)
[ 2490.008905][T21176] RSP: 002b:00007ffe9bf468a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2490.009399][T21176] RAX: ffffffffffffffda RBX: 00007ffe9bf46fe0 RCX: 00007fc5876971e7
[ 2490.009882][T21176] RDX: 0000000000000000 RSI: 00007ffe9bf46910 RDI: 0000000000000005
[ 2490.010374][T21176] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[ 2490.010866][T21176] R10: 00007fc587725ac0 R11: 0000000000000246 R12: 00007ffe9bf47018
[ 2490.011364][T21176] R13: 00000000686e6714 R14: 0000000000499600 R15: 00007ffe9bf46a00
| [ 2497.560969][T21242] ------------[ cut here ]------------
| [2497.561431][T21242] WARNING: CPU: 2 PID: 21242 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) 
| [ 2497.562213][T21242] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2497.563815][T21242] Tainted: [W]=WARN
[ 2497.564254][T21242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2497.564735][T21242] 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) 
[ 2497.565074][T21242] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2497.566301][T21242] RSP: 0018:ffffc900016ef080 EFLAGS: 00010246
[ 2497.566734][T21242] RAX: 0000000000000000 RBX: ffff88800bd42000 RCX: 0000000000000001
[ 2497.568523][T21242] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2497.569141][T21242] RBP: ffffc900016ef168 R08: 0000000000000000 R09: 0000000000000000
[ 2497.569733][T21242] R10: ffffc900016ef198 R11: ffffffff8bf8d1e0 R12: 1ffff920002dde14
[ 2497.570231][T21242] R13: 00000000000005dc R14: ffffc900016ef198 R15: ffff88800bd42f48
[ 2497.570758][T21242] FS:  00007f196ba1d800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[ 2497.571317][T21242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2497.571743][T21242] CR2: 00007f196bc08ba0 CR3: 000000000ce43005 CR4: 0000000000772ef0
[ 2497.572352][T21242] PKRU: 55555554
[ 2497.572592][T21242] Call Trace:
[ 2497.572849][T21242]  <TASK>
[2497.573030][T21242] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2497.573365][T21242] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2497.573704][T21242] netif_set_mtu (net/core/dev.c:9652) 
[2497.574023][T21242] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2497.574381][T21242] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2497.574632][T21242] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2497.574968][T21242] br_add_if (net/bridge/br_if.c:697) 
[2497.575234][T21242] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2497.575557][T21242] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2497.575887][T21242] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2497.576219][T21242] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2497.576533][T21242] ? __dev_get_by_name (net/core/dev.c:865) 
[2497.576993][T21242] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2497.577341][T21242] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2497.577662][T21242] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2497.577994][T21242] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2497.578345][T21242] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2497.578695][T21242] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2497.579023][T21242] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2497.579368][T21242] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2497.579689][T21242] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2497.580008][T21242] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2497.580345][T21242] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2497.580756][T21242] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2497.581129][T21242] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2497.581454][T21242] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2497.581769][T21242] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2497.582086][T21242] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2497.582440][T21242] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2497.582761][T21242] ? 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) 
[2497.583084][T21242] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2497.583415][T21242] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2497.583727][T21242] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2497.584047][T21242] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2497.584374][T21242] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2497.584691][T21242] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2497.585015][T21242] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2497.585351][T21242] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2497.585665][T21242] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2497.586063][T21242] ___sys_sendmsg (net/socket.c:2670) 
[2497.586408][T21242] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2497.586732][T21242] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2497.587052][T21242] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2497.587376][T21242] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2497.587705][T21242] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2497.588026][T21242] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2497.588358][T21242] __sys_sendmsg (net/socket.c:2700) 
[2497.588671][T21242] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2497.589000][T21242] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2497.589324][T21242] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2497.589642][T21242] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2497.590032][T21242] RIP: 0033:0x7f196bbea1e7
[ 2497.590387][T21242] 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)
[ 2497.591509][T21242] RSP: 002b:00007ffc5c91b4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2497.591981][T21242] RAX: ffffffffffffffda RBX: 00007ffc5c91bc30 RCX: 00007f196bbea1e7
[ 2497.592465][T21242] RDX: 0000000000000000 RSI: 00007ffc5c91b560 RDI: 0000000000000005
[ 2497.592933][T21242] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2497.593431][T21242] R10: 00007f196bc78ac0 R11: 0000000000000246 R12: 00007ffc5c91bc68
[ 2497.593901][T21242] R13: 00000000686e671b R14: 0000000000499600 R15: 00007ffc5c91b650
| [ 2502.074572][T21272] ------------[ cut here ]------------
| [2502.074893][T21272] WARNING: CPU: 3 PID: 21272 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) 
| [ 2502.075517][T21272] Modules linked in: ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 2502.076813][T21272] Tainted: [W]=WARN
[ 2502.077056][T21272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2502.077446][T21272] 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) 
[ 2502.077757][T21272] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[ 2502.078853][T21272] RSP: 0018:ffffc90002f1f080 EFLAGS: 00010246
[ 2502.079246][T21272] RAX: 0000000000000000 RBX: ffff88801662a000 RCX: 0000000000000001
[ 2502.079696][T21272] RDX: 0000000000000000 RSI: ffffffff8b510751 RDI: ffffffff8ac58280
[ 2502.080170][T21272] RBP: ffffc90002f1f168 R08: 0000000000000000 R09: 0000000000000000
[ 2502.080625][T21272] R10: ffffc90002f1f198 R11: ffffffff8bf8d1e0 R12: 1ffff920005e3e14
[ 2502.081116][T21272] R13: 00000000000005dc R14: ffffc90002f1f198 R15: ffff88801662af48
[ 2502.081568][T21272] FS:  00007fb362091800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[ 2502.082096][T21272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2502.082490][T21272] CR2: 00007fb362191130 CR3: 000000001b620002 CR4: 0000000000772ef0
[ 2502.082949][T21272] PKRU: 55555554
[ 2502.083186][T21272] Call Trace:
[ 2502.083414][T21272]  <TASK>
[2502.083571][T21272] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2502.083873][T21272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2502.084211][T21272] netif_set_mtu (net/core/dev.c:9652) 
[2502.084522][T21272] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2502.084837][T21272] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2502.085070][T21272] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[2502.085396][T21272] br_add_if (net/bridge/br_if.c:697) 
[2502.085637][T21272] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[2502.085936][T21272] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[2502.086251][T21272] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[2502.086555][T21272] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2502.086854][T21272] ? __dev_get_by_name (net/core/dev.c:865) 
[2502.087167][T21272] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2502.087483][T21272] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2502.087788][T21272] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2502.088088][T21272] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2502.088417][T21272] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2502.088733][T21272] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2502.089038][T21272] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2502.089360][T21272] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2502.089659][T21272] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2502.089972][T21272] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2502.090285][T21272] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2502.090599][T21272] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2502.090915][T21272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2502.091228][T21272] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2502.091529][T21272] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2502.091829][T21272] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2502.092172][T21272] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2502.092476][T21272] ? 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) 
[2502.092778][T21272] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[2502.093081][T21272] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2502.093389][T21272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2502.093696][T21272] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2502.094000][T21272] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2502.094316][T21272] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2502.094724][T21272] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2502.095283][T21272] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2502.095821][T21272] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2502.096553][T21272] ___sys_sendmsg (net/socket.c:2670) 
[2502.097116][T21272] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2502.097658][T21272] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2502.098223][T21272] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2502.098760][T21272] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2502.099323][T21272] ? __handle_mm_fault (mm/memory.c:6212) 
[2502.099867][T21272] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2502.100431][T21272] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2502.101021][T21272] __sys_sendmsg (net/socket.c:2700) 
[2502.101576][T21272] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2502.102143][T21272] ? 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) 
[2502.102699][T21272] ? 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) 
[2502.103262][T21272] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2502.103812][T21272] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2502.104372][T21272] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2502.105045][T21272] RIP: 0033:0x7fb36225e1e7
[ 2502.105618][T21272] 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)
[ 2502.107588][T21272] RSP: 002b:00007ffda1c50508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2502.108451][T21272] RAX: ffffffffffffffda RBX: 00007ffda1c50c40 RCX: 00007fb36225e1e7
[ 2502.109276][T21272] RDX: 0000000000000000 RSI: 00007ffda1c50570 RDI: 0000000000000005
[ 2502.110094][T21272] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[ 2502.110932][T21272] R10: 00007fb3622ecac0 R11: 0000000000000246 R12: 00007ffda1c50c78


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