======================================
| [  148.613264][ T2172] br0: port 1(vx0) entered forwarding state
| [  148.616346][ T2172] ------------[ cut here ]------------
| [ 148.616658][ T2172] WARNING: CPU: 0 PID: 2172 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  148.617289][ T2172] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
[  148.618446][ T2172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 148.618824][ T2172] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 148.619137][ T2172] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  148.620220][ T2172] RSP: 0018:ffffc90002377080 EFLAGS: 00010246
[  148.620603][ T2172] RAX: 0000000000000000 RBX: ffff88800ccfa000 RCX: 0000000000000001
[  148.621054][ T2172] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  148.621525][ T2172] RBP: ffffc90002377168 R08: 0000000000000000 R09: 0000000000000000
[  148.621977][ T2172] R10: ffffc90002377198 R11: ffffffffb318d1e0 R12: 1ffff9200046ee14
[  148.622433][ T2172] R13: 00000000000005dc R14: ffffc90002377198 R15: ffff88800ccfaf48
[  148.622887][ T2172] FS:  00007fc1067d4800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  148.623424][ T2172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  148.623804][ T2172] CR2: 00007fc106a2fb78 CR3: 000000000befc005 CR4: 0000000000772ef0
[  148.624265][ T2172] PKRU: 55555554
[  148.624493][ T2172] Call Trace:
[  148.624734][ T2172]  <TASK>
[ 148.624891][ T2172] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 148.625215][ T2172] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 148.625538][ T2172] netif_set_mtu (net/core/dev.c:9652) 
[ 148.625842][ T2172] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 148.626156][ T2172] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 148.626393][ T2172] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 148.626697][ T2172] br_add_if (net/bridge/br_if.c:697) 
[ 148.626934][ T2172] do_set_master (net/core/rtnetlink.c:2948) 
[ 148.627243][ T2172] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 148.627545][ T2172] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 148.627853][ T2172] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 148.628148][ T2172] ? __dev_get_by_name (net/core/dev.c:865) 
[ 148.628458][ T2172] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 148.628756][ T2172] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 148.629058][ T2172] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 148.629370][ T2172] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 148.629676][ T2172] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 148.629990][ T2172] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 148.630301][ T2172] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 148.630614][ T2172] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 148.630911][ T2172] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 148.631218][ T2172] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 148.631516][ T2172] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 148.631816][ T2172] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 148.632119][ T2172] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 148.632435][ T2172] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 148.632741][ T2172] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 148.633041][ T2172] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 148.633367][ T2172] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 148.633666][ T2172] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 148.633966][ T2172] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 148.634275][ T2172] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 148.634584][ T2172] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 148.634891][ T2172] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 148.635207][ T2172] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 148.635508][ T2172] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 148.635816][ T2172] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 148.636119][ T2172] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 148.636424][ T2172] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 148.636815][ T2172] ___sys_sendmsg (net/socket.c:2670) 
[ 148.637116][ T2172] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 148.637432][ T2172] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 148.637737][ T2172] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 148.638034][ T2172] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 148.638345][ T2172] ? __handle_mm_fault (mm/memory.c:6212) 
[ 148.638646][ T2172] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 148.638950][ T2172] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 148.639285][ T2172] __sys_sendmsg (net/socket.c:2700) 
[ 148.639587][ T2172] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 148.639886][ T2172] ? 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) 
[ 148.640202][ T2172] ? 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) 
[ 148.640505][ T2172] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 148.640808][ T2172] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 148.641133][ T2172] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  148.641523][ T2172] RIP: 0033:0x7fc1069a11e7
[ 148.641835][ T2172] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  148.642913][ T2172] RSP: 002b:00007ffdd51786a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  148.643381][ T2172] RAX: ffffffffffffffda RBX: 00007ffdd5178de0 RCX: 00007fc1069a11e7
[  148.643834][ T2172] RDX: 0000000000000000 RSI: 00007ffdd5178710 RDI: 0000000000000005
[  148.644289][ T2172] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  148.644750][ T2172] R10: 00007fc106a2fac0 R11: 0000000000000246 R12: 00007ffdd5178e18
[  148.645222][ T2172] R13: 00000000686e25f5 R14: 0000000000499600 R15: 00007ffdd5178800
| [  152.452722][ T2202] ------------[ cut here ]------------
| [ 152.453051][ T2202] WARNING: CPU: 2 PID: 2202 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  152.453671][ T2202] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  152.455115][ T2202] Tainted: [W]=WARN
[  152.456147][ T2202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.456550][ T2202] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 152.456876][ T2202] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  152.457974][ T2202] RSP: 0018:ffffc90002687080 EFLAGS: 00010246
[  152.458374][ T2202] RAX: 0000000000000000 RBX: ffff8880051f2000 RCX: 0000000000000001
[  152.458838][ T2202] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  152.459307][ T2202] RBP: ffffc90002687168 R08: 0000000000000000 R09: 0000000000000000
[  152.459767][ T2202] R10: ffffc90002687198 R11: ffffffffb318d1e0 R12: 1ffff920004d0e14
[  152.460242][ T2202] R13: 00000000000005dc R14: ffffc90002687198 R15: ffff8880051f2f48
[  152.460702][ T2202] FS:  00007ff8ea128800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  152.461247][ T2202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.461637][ T2202] CR2: 000000000043d940 CR3: 000000000fa20003 CR4: 0000000000772ef0
[  152.462099][ T2202] PKRU: 55555554
[  152.462348][ T2202] Call Trace:
[  152.462586][ T2202]  <TASK>
[ 152.462756][ T2202] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.463068][ T2202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.463405][ T2202] netif_set_mtu (net/core/dev.c:9652) 
[ 152.463717][ T2202] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.464046][ T2202] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.464301][ T2202] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 152.464630][ T2202] br_add_if (net/bridge/br_if.c:697) 
[ 152.464880][ T2202] do_set_master (net/core/rtnetlink.c:2948) 
[ 152.465199][ T2202] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 152.465516][ T2202] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 152.465831][ T2202] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 152.466140][ T2202] ? __dev_get_by_name (net/core/dev.c:865) 
[ 152.466461][ T2202] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.466778][ T2202] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 152.467094][ T2202] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.467422][ T2202] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.467748][ T2202] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 152.468073][ T2202] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.468400][ T2202] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.468725][ T2202] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.469037][ T2202] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.469362][ T2202] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.469678][ T2202] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.469991][ T2202] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.470316][ T2202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.470636][ T2202] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.470947][ T2202] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.471271][ T2202] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.471600][ T2202] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.471912][ T2202] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 152.472238][ T2202] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.472553][ T2202] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.472864][ T2202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.473190][ T2202] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.473508][ T2202] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.473823][ T2202] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.474143][ T2202] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.474467][ T2202] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.474795][ T2202] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.475202][ T2202] ___sys_sendmsg (net/socket.c:2670) 
[ 152.475518][ T2202] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.475830][ T2202] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 152.476154][ T2202] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 152.476476][ T2202] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 152.476793][ T2202] ? __handle_mm_fault (mm/memory.c:6212) 
[ 152.477106][ T2202] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 152.477429][ T2202] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 152.477763][ T2202] __sys_sendmsg (net/socket.c:2700) 
[ 152.478082][ T2202] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.478403][ T2202] ? 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) 
[ 152.478724][ T2202] ? 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) 
[ 152.479038][ T2202] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.479364][ T2202] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.479677][ T2202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.480060][ T2202] RIP: 0033:0x7ff8ea2f51e7
[ 152.480393][ T2202] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  152.481489][ T2202] RSP: 002b:00007ffc1bcabb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.481955][ T2202] RAX: ffffffffffffffda RBX: 00007ffc1bcac270 RCX: 00007ff8ea2f51e7
[  152.482434][ T2202] RDX: 0000000000000000 RSI: 00007ffc1bcabba0 RDI: 0000000000000005
[  152.482896][ T2202] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  152.483369][ T2202] R10: 00007ff8ea383ac0 R11: 0000000000000246 R12: 00007ffc1bcac2a8
[  152.483829][ T2202] R13: 00000000686e25f8 R14: 0000000000499600 R15: 00007ffc1bcabc90
| [  158.402814][ T2259] ------------[ cut here ]------------
| [ 158.403262][ T2259] WARNING: CPU: 1 PID: 2259 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) 
| [  158.403851][ T2259] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  158.405030][ T2259] Tainted: [W]=WARN
[  158.405274][ T2259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.405651][ T2259] 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) 
[ 158.405959][ T2259] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  158.407038][ T2259] RSP: 0018:ffffc90002937080 EFLAGS: 00010246
[  158.407428][ T2259] RAX: 0000000000000000 RBX: ffff88800bcc2000 RCX: 0000000000000001
[  158.407876][ T2259] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  158.408333][ T2259] RBP: ffffc90002937168 R08: 0000000000000000 R09: 0000000000000000
[  158.408781][ T2259] R10: ffffc90002937198 R11: ffffffffb318d1e0 R12: 1ffff92000526e14
[  158.409386][ T2259] R13: 00000000000005dc R14: ffffc90002937198 R15: ffff88800bcc2f48
[  158.409836][ T2259] FS:  00007fc8dcff2800(0000) GS:ffff8880b0c19000(0000) knlGS:0000000000000000
[  158.410502][ T2259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.410881][ T2259] CR2: 00007fc8dd1ddba0 CR3: 0000000012f60005 CR4: 0000000000772ef0
[  158.411496][ T2259] PKRU: 55555554
[  158.411723][ T2259] Call Trace:
[  158.411947][ T2259]  <TASK>
[ 158.412104][ T2259] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 158.412546][ T2259] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.412862][ T2259] netif_set_mtu (net/core/dev.c:9652) 
[ 158.413160][ T2259] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 158.413619][ T2259] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 158.413852][ T2259] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 158.414163][ T2259] br_add_if (net/bridge/br_if.c:697) 
[ 158.414476][ T2259] do_set_master (net/core/rtnetlink.c:2948) 
[ 158.414784][ T2259] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 158.415089][ T2259] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 158.415402][ T2259] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 158.415703][ T2259] ? __dev_get_by_name (net/core/dev.c:865) 
[ 158.416004][ T2259] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.416315][ T2259] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 158.416623][ T2259] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 158.416920][ T2259] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 158.417239][ T2259] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 158.417551][ T2259] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 158.417858][ T2259] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.418171][ T2259] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 158.418479][ T2259] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 158.418786][ T2259] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 158.419086][ T2259] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 158.419398][ T2259] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.419705][ T2259] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.420014][ T2259] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 158.420323][ T2259] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 158.420629][ T2259] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 158.420943][ T2259] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 158.421254][ T2259] ? 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) 
[ 158.421559][ T2259] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 158.421862][ T2259] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 158.422160][ T2259] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.422473][ T2259] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 158.422778][ T2259] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 158.423082][ T2259] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 158.423399][ T2259] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 158.423703][ T2259] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 158.424003][ T2259] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 158.424397][ T2259] ___sys_sendmsg (net/socket.c:2670) 
[ 158.424712][ T2259] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 158.425018][ T2259] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 158.425348][ T2259] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 158.425648][ T2259] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 158.425955][ T2259] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 158.426273][ T2259] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 158.426584][ T2259] __sys_sendmsg (net/socket.c:2700) 
[ 158.426885][ T2259] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 158.427211][ T2259] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 158.427523][ T2259] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 158.427830][ T2259] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.428211][ T2259] RIP: 0033:0x7fc8dd1bf1e7
[ 158.428522][ T2259] 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)
[  158.429603][ T2259] RSP: 002b:00007ffc06b87b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  158.430067][ T2259] RAX: ffffffffffffffda RBX: 00007ffc06b88280 RCX: 00007fc8dd1bf1e7
[  158.430527][ T2259] RDX: 0000000000000000 RSI: 00007ffc06b87bb0 RDI: 0000000000000005
[  158.430978][ T2259] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  158.431437][ T2259] R10: 00007fc8dd24dac0 R11: 0000000000000246 R12: 00007ffc06b882b8
[  158.431890][ T2259] R13: 00000000686e25fe R14: 0000000000499600 R15: 00007ffc06b87ca0
| [  162.285158][ T2289] ------------[ cut here ]------------
| [ 162.286415][ T2289] WARNING: CPU: 3 PID: 2289 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) 
| [  162.287018][ T2289] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  162.288218][ T2289] Tainted: [W]=WARN
[  162.288457][ T2289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.288836][ T2289] 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) 
[ 162.289147][ T2289] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  162.290228][ T2289] RSP: 0018:ffffc90002a97080 EFLAGS: 00010246
[  162.290608][ T2289] RAX: 0000000000000000 RBX: ffff88800e52a000 RCX: 0000000000000001
[  162.291061][ T2289] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  162.291519][ T2289] RBP: ffffc90002a97168 R08: 0000000000000000 R09: 0000000000000000
[  162.291973][ T2289] R10: ffffc90002a97198 R11: ffffffffb318d1e0 R12: 1ffff92000552e14
[  162.292438][ T2289] R13: 00000000000005dc R14: ffffc90002a97198 R15: ffff88800e52af48
[  162.292892][ T2289] FS:  00007fde4160b800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  162.293427][ T2289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.293807][ T2289] CR2: 00007fde417f6ba0 CR3: 00000000136ff001 CR4: 0000000000772ef0
[  162.294269][ T2289] PKRU: 55555554
[  162.294494][ T2289] Call Trace:
[  162.294729][ T2289]  <TASK>
[ 162.294884][ T2289] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.295203][ T2289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.295517][ T2289] netif_set_mtu (net/core/dev.c:9652) 
[ 162.295817][ T2289] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.296135][ T2289] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.296381][ T2289] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 162.296692][ T2289] br_add_if (net/bridge/br_if.c:697) 
[ 162.296931][ T2289] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.297239][ T2289] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 162.297546][ T2289] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 162.297850][ T2289] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 162.298148][ T2289] ? __dev_get_by_name (net/core/dev.c:865) 
[ 162.298458][ T2289] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.298758][ T2289] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 162.299062][ T2289] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.299369][ T2289] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 162.299680][ T2289] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 162.299990][ T2289] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.300313][ T2289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.300636][ T2289] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.300934][ T2289] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.301245][ T2289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.301547][ T2289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.301848][ T2289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.302159][ T2289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.302471][ T2289] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.302782][ T2289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.303085][ T2289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.303409][ T2289] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.303708][ T2289] ? 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) 
[ 162.304012][ T2289] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.304334][ T2289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.304651][ T2289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.304957][ T2289] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.305269][ T2289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.305571][ T2289] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.305878][ T2289] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.306192][ T2289] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.306496][ T2289] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.306880][ T2289] ___sys_sendmsg (net/socket.c:2670) 
[ 162.307190][ T2289] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.307499][ T2289] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 162.307804][ T2289] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 162.308101][ T2289] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 162.308422][ T2289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.308745][ T2289] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 162.309049][ T2289] __sys_sendmsg (net/socket.c:2700) 
[ 162.309356][ T2289] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.309697][ T2289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.310002][ T2289] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.310314][ T2289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.310690][ T2289] RIP: 0033:0x7fde417d81e7
[ 162.311006][ T2289] 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)
[  162.312084][ T2289] RSP: 002b:00007ffe48ffeff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.312555][ T2289] RAX: ffffffffffffffda RBX: 00007ffe48fff730 RCX: 00007fde417d81e7
[  162.313019][ T2289] RDX: 0000000000000000 RSI: 00007ffe48fff060 RDI: 0000000000000005
[  162.313476][ T2289] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  162.313927][ T2289] R10: 00007fde41866ac0 R11: 0000000000000246 R12: 00007ffe48fff768
[  162.314384][ T2289] R13: 00000000686e2602 R14: 0000000000499600 R15: 00007ffe48fff150
| [  180.776254][ T2462] ------------[ cut here ]------------
| [ 180.776560][ T2462] WARNING: CPU: 0 PID: 2462 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) 
| [  180.777154][ T2462] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  180.778319][ T2462] Tainted: [W]=WARN
[  180.778547][ T2462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 180.778927][ T2462] 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) 
[ 180.779244][ T2462] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  180.780331][ T2462] RSP: 0018:ffffc90002ff7080 EFLAGS: 00010246
[  180.780717][ T2462] RAX: 0000000000000000 RBX: ffff888005e02000 RCX: 0000000000000001
[  180.781170][ T2462] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  180.781626][ T2462] RBP: ffffc90002ff7168 R08: 0000000000000000 R09: 0000000000000000
[  180.782074][ T2462] R10: ffffc90002ff7198 R11: ffffffffb318d1e0 R12: 1ffff920005fee14
[  180.782529][ T2462] R13: 00000000000005dc R14: ffffc90002ff7198 R15: ffff888005e02f48
[  180.782979][ T2462] FS:  00007f926bf08800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  180.783510][ T2462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  180.783888][ T2462] CR2: 000000000043d940 CR3: 000000000e940003 CR4: 0000000000772ef0
[  180.784356][ T2462] PKRU: 55555554
[  180.784590][ T2462] Call Trace:
[  180.784820][ T2462]  <TASK>
[ 180.784979][ T2462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 180.785286][ T2462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.785601][ T2462] netif_set_mtu (net/core/dev.c:9652) 
[ 180.785900][ T2462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 180.786226][ T2462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 180.786456][ T2462] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 180.786761][ T2462] br_add_if (net/bridge/br_if.c:697) 
[ 180.787000][ T2462] do_set_master (net/core/rtnetlink.c:2948) 
[ 180.787312][ T2462] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 180.787718][ T2462] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 180.788021][ T2462] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 180.788334][ T2462] ? __dev_get_by_name (net/core/dev.c:865) 
[ 180.788646][ T2462] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 180.788948][ T2462] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 180.789260][ T2462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 180.789563][ T2462] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 180.789868][ T2462] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 180.790190][ T2462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 180.790497][ T2462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 180.790811][ T2462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 180.791107][ T2462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 180.791416][ T2462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 180.791715][ T2462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 180.792023][ T2462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 180.792342][ T2462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.792649][ T2462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 180.792952][ T2462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 180.793262][ T2462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 180.793573][ T2462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 180.793872][ T2462] ? 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) 
[ 180.794188][ T2462] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 180.794493][ T2462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 180.794798][ T2462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.795106][ T2462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 180.795419][ T2462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 180.795722][ T2462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 180.796032][ T2462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 180.796355][ T2462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 180.796659][ T2462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 180.797047][ T2462] ___sys_sendmsg (net/socket.c:2670) 
[ 180.797360][ T2462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 180.797661][ T2462] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 180.797963][ T2462] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 180.798270][ T2462] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 180.798578][ T2462] ? __handle_mm_fault (mm/memory.c:6212) 
[ 180.798878][ T2462] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 180.799176][ T2462] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 180.799505][ T2462] __sys_sendmsg (net/socket.c:2700) 
[ 180.799804][ T2462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 180.800102][ T2462] ? 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) 
[ 180.800430][ T2462] ? 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) 
[ 180.800740][ T2462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 180.801042][ T2462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 180.801352][ T2462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  180.801724][ T2462] RIP: 0033:0x7f926c0d51e7
[ 180.802030][ T2462] 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)
[  180.803108][ T2462] RSP: 002b:00007ffe1361ad28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  180.803568][ T2462] RAX: ffffffffffffffda RBX: 00007ffe1361b460 RCX: 00007f926c0d51e7
[  180.804023][ T2462] RDX: 0000000000000000 RSI: 00007ffe1361ad90 RDI: 0000000000000005
[  180.804491][ T2462] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  180.804949][ T2462] R10: 00007f926c163ac0 R11: 0000000000000246 R12: 00007ffe1361b498
[  180.805407][ T2462] R13: 00000000686e2615 R14: 0000000000499600 R15: 00007ffe1361ae80
| [  184.654253][ T2492] ------------[ cut here ]------------
| [ 184.654561][ T2492] WARNING: CPU: 1 PID: 2492 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) 
| [  184.655170][ T2492] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  184.658134][ T2492] Tainted: [W]=WARN
[  184.658538][ T2492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.658923][ T2492] 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) 
[ 184.659367][ T2492] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  184.660447][ T2492] RSP: 0018:ffffc90002337080 EFLAGS: 00010246
[  184.660830][ T2492] RAX: 0000000000000000 RBX: ffff88800bcc2000 RCX: 0000000000000001
[  184.661290][ T2492] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  184.661740][ T2492] RBP: ffffc90002337168 R08: 0000000000000000 R09: 0000000000000000
[  184.662198][ T2492] R10: ffffc90002337198 R11: ffffffffb318d1e0 R12: 1ffff92000466e14
[  184.662648][ T2492] R13: 00000000000005dc R14: ffffc90002337198 R15: ffff88800bcc2f48
[  184.663104][ T2492] FS:  00007fa3ddd1b800(0000) GS:ffff8880b0c19000(0000) knlGS:0000000000000000
[  184.663643][ T2492] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  184.664024][ T2492] CR2: 000000000043d940 CR3: 0000000013707001 CR4: 0000000000772ef0
[  184.664485][ T2492] PKRU: 55555554
[  184.664721][ T2492] Call Trace:
[  184.664950][ T2492]  <TASK>
[ 184.665106][ T2492] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 184.665415][ T2492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.665730][ T2492] netif_set_mtu (net/core/dev.c:9652) 
[ 184.666032][ T2492] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 184.666359][ T2492] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 184.666590][ T2492] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 184.666897][ T2492] br_add_if (net/bridge/br_if.c:697) 
[ 184.667140][ T2492] do_set_master (net/core/rtnetlink.c:2948) 
[ 184.667446][ T2492] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 184.667749][ T2492] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 184.668055][ T2492] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 184.668359][ T2492] ? __dev_get_by_name (net/core/dev.c:865) 
[ 184.668659][ T2492] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 184.668960][ T2492] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 184.669275][ T2492] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 184.669601][ T2492] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 184.669909][ T2492] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 184.670233][ T2492] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 184.670539][ T2492] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 184.670852][ T2492] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 184.671150][ T2492] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 184.671458][ T2492] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 184.671761][ T2492] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 184.672064][ T2492] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 184.672375][ T2492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.672680][ T2492] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 184.672980][ T2492] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 184.673288][ T2492] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 184.673610][ T2492] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 184.673914][ T2492] ? 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) 
[ 184.674224][ T2492] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 184.674526][ T2492] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 184.674841][ T2492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.675149][ T2492] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 184.675463][ T2492] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 184.675765][ T2492] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 184.676074][ T2492] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 184.676390][ T2492] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 184.676689][ T2492] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 184.677077][ T2492] ___sys_sendmsg (net/socket.c:2670) 
[ 184.677386][ T2492] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 184.677731][ T2492] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 184.678037][ T2492] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 184.678353][ T2492] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 184.678659][ T2492] ? __handle_mm_fault (mm/memory.c:6212) 
[ 184.678960][ T2492] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 184.679269][ T2492] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 184.679588][ T2492] __sys_sendmsg (net/socket.c:2700) 
[ 184.679890][ T2492] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 184.680202][ T2492] ? 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) 
[ 184.680520][ T2492] ? 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) 
[ 184.680822][ T2492] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 184.681126][ T2492] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 184.681436][ T2492] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  184.681809][ T2492] RIP: 0033:0x7fa3ddee81e7
[ 184.682118][ T2492] 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)
[  184.683202][ T2492] RSP: 002b:00007ffcdbd5a438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  184.683664][ T2492] RAX: ffffffffffffffda RBX: 00007ffcdbd5ab70 RCX: 00007fa3ddee81e7
[  184.684114][ T2492] RDX: 0000000000000000 RSI: 00007ffcdbd5a4a0 RDI: 0000000000000005
[  184.684578][ T2492] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  184.685037][ T2492] R10: 00007fa3ddf76ac0 R11: 0000000000000246 R12: 00007ffcdbd5aba8
[  184.685492][ T2492] R13: 00000000686e2619 R14: 0000000000499600 R15: 00007ffcdbd5a590
| [  191.359831][ T2558] ------------[ cut here ]------------
| [ 191.360146][ T2558] WARNING: CPU: 0 PID: 2558 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) 
| [  191.360759][ T2558] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  191.362017][ T2558] Tainted: [W]=WARN
[  191.362253][ T2558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 191.362638][ T2558] 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) 
[ 191.362946][ T2558] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  191.364028][ T2558] RSP: 0018:ffffc900033c7080 EFLAGS: 00010246
[  191.364431][ T2558] RAX: 0000000000000000 RBX: ffff88800a04a000 RCX: 0000000000000001
[  191.364897][ T2558] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  191.365355][ T2558] RBP: ffffc900033c7168 R08: 0000000000000000 R09: 0000000000000000
[  191.365806][ T2558] R10: ffffc900033c7198 R11: ffffffffb318d1e0 R12: 1ffff92000678e14
[  191.366271][ T2558] R13: 00000000000005dc R14: ffffc900033c7198 R15: ffff88800a04af48
[  191.366722][ T2558] FS:  00007f5b11917800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  191.367257][ T2558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  191.367637][ T2558] CR2: 00007f5b11b02ba0 CR3: 0000000012efd001 CR4: 0000000000772ef0
[  191.368091][ T2558] PKRU: 55555554
[  191.368330][ T2558] Call Trace:
[  191.368555][ T2558]  <TASK>
[ 191.368711][ T2558] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 191.369014][ T2558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 191.369335][ T2558] netif_set_mtu (net/core/dev.c:9652) 
[ 191.369638][ T2558] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 191.369954][ T2558] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 191.370194][ T2558] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 191.370501][ T2558] br_add_if (net/bridge/br_if.c:697) 
[ 191.370745][ T2558] do_set_master (net/core/rtnetlink.c:2948) 
[ 191.371045][ T2558] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 191.371358][ T2558] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 191.371666][ T2558] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 191.371966][ T2558] ? __dev_get_by_name (net/core/dev.c:865) 
[ 191.372283][ T2558] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 191.372591][ T2558] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 191.372903][ T2558] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 191.373211][ T2558] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 191.373515][ T2558] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 191.373824][ T2558] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 191.374130][ T2558] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 191.374448][ T2558] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 191.374752][ T2558] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 191.375055][ T2558] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 191.375367][ T2558] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 191.375670][ T2558] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 191.375976][ T2558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 191.376302][ T2558] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 191.376604][ T2558] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 191.376904][ T2558] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 191.377225][ T2558] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 191.377530][ T2558] ? 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) 
[ 191.377832][ T2558] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 191.378136][ T2558] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 191.378467][ T2558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 191.378780][ T2558] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 191.379086][ T2558] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 191.379400][ T2558] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 191.379719][ T2558] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 191.380023][ T2558] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 191.380338][ T2558] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 191.380724][ T2558] ___sys_sendmsg (net/socket.c:2670) 
[ 191.381027][ T2558] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 191.381345][ T2558] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 191.381650][ T2558] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 191.381952][ T2558] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 191.382265][ T2558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 191.382575][ T2558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 191.382878][ T2558] __sys_sendmsg (net/socket.c:2700) 
[ 191.383190][ T2558] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 191.383505][ T2558] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 191.383807][ T2558] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 191.384113][ T2558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  191.384507][ T2558] RIP: 0033:0x7f5b11ae41e7
[ 191.384824][ T2558] 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)
[  191.385902][ T2558] RSP: 002b:00007ffe0bd84e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  191.386368][ T2558] RAX: ffffffffffffffda RBX: 00007ffe0bd85590 RCX: 00007f5b11ae41e7
[  191.386819][ T2558] RDX: 0000000000000000 RSI: 00007ffe0bd84ec0 RDI: 0000000000000005
[  191.387284][ T2558] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  191.387739][ T2558] R10: 00007f5b11b72ac0 R11: 0000000000000246 R12: 00007ffe0bd855c8
[  191.388206][ T2558] R13: 00000000686e261f R14: 0000000000499600 R15: 00007ffe0bd84fb0
| [  195.208302][ T2588] ------------[ cut here ]------------
| [ 195.208611][ T2588] WARNING: CPU: 3 PID: 2588 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) 
| [  195.209218][ T2588] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  195.210405][ T2588] Tainted: [W]=WARN
[  195.210638][ T2588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 195.211035][ T2588] 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) 
[ 195.211383][ T2588] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  195.212476][ T2588] RSP: 0018:ffffc90003577080 EFLAGS: 00010246
[  195.212860][ T2588] RAX: 0000000000000000 RBX: ffff88801385a000 RCX: 0000000000000001
[  195.213326][ T2588] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  195.213829][ T2588] RBP: ffffc90003577168 R08: 0000000000000000 R09: 0000000000000000
[  195.214293][ T2588] R10: ffffc90003577198 R11: ffffffffb318d1e0 R12: 1ffff920006aee14
[  195.214769][ T2588] R13: 00000000000005dc R14: ffffc90003577198 R15: ffff88801385af48
[  195.215229][ T2588] FS:  00007f2fc3ebe800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  195.215762][ T2588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  195.216142][ T2588] CR2: 00007f0e66a6d000 CR3: 000000000beaa001 CR4: 0000000000772ef0
[  195.216612][ T2588] PKRU: 55555554
[  195.216846][ T2588] Call Trace:
[  195.217072][ T2588]  <TASK>
[ 195.217237][ T2588] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 195.217542][ T2588] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 195.217856][ T2588] netif_set_mtu (net/core/dev.c:9652) 
[ 195.218157][ T2588] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 195.218482][ T2588] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 195.218712][ T2588] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 195.219026][ T2588] br_add_if (net/bridge/br_if.c:697) 
[ 195.219273][ T2588] do_set_master (net/core/rtnetlink.c:2948) 
[ 195.219571][ T2588] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 195.219875][ T2588] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 195.220186][ T2588] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 195.220484][ T2588] ? __dev_get_by_name (net/core/dev.c:865) 
[ 195.220784][ T2588] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 195.221082][ T2588] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 195.221401][ T2588] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 195.221698][ T2588] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 195.222002][ T2588] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 195.222320][ T2588] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 195.222627][ T2588] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 195.222940][ T2588] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 195.223245][ T2588] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 195.223554][ T2588] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 195.223854][ T2588] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 195.224157][ T2588] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 195.224470][ T2588] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 195.224784][ T2588] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 195.225085][ T2588] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 195.225395][ T2588] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 195.225707][ T2588] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 195.226010][ T2588] ? 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) 
[ 195.226323][ T2588] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 195.226626][ T2588] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 195.226925][ T2588] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 195.227239][ T2588] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 195.227545][ T2588] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 195.227847][ T2588] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 195.228161][ T2588] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 195.228472][ T2588] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 195.228772][ T2588] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 195.229159][ T2588] ___sys_sendmsg (net/socket.c:2670) 
[ 195.229471][ T2588] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 195.229778][ T2588] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 195.230083][ T2588] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 195.230400][ T2588] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 195.230707][ T2588] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 195.231017][ T2588] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 195.231331][ T2588] __sys_sendmsg (net/socket.c:2700) 
[ 195.231633][ T2588] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 195.231947][ T2588] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 195.232259][ T2588] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 195.232569][ T2588] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  195.232943][ T2588] RIP: 0033:0x7f2fc408b1e7
[ 195.233262][ T2588] 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)
[  195.234344][ T2588] RSP: 002b:00007ffe5d3defc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  195.234814][ T2588] RAX: ffffffffffffffda RBX: 00007ffe5d3df700 RCX: 00007f2fc408b1e7
[  195.235272][ T2588] RDX: 0000000000000000 RSI: 00007ffe5d3df030 RDI: 0000000000000005
[  195.235723][ T2588] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  195.236172][ T2588] R10: 00007f2fc4119ac0 R11: 0000000000000246 R12: 00007ffe5d3df738
[  195.236635][ T2588] R13: 00000000686e2623 R14: 0000000000499600 R15: 00007ffe5d3df120
| [  213.965779][ T2761] ------------[ cut here ]------------
| [ 213.966112][ T2761] WARNING: CPU: 0 PID: 2761 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) 
| [  213.966761][ T2761] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  213.968010][ T2761] Tainted: [W]=WARN
[  213.968266][ T2761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 213.968664][ T2761] 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) 
[ 213.968990][ T2761] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  213.970141][ T2761] RSP: 0018:ffffc90003af7080 EFLAGS: 00010246
[  213.970600][ T2761] RAX: 0000000000000000 RBX: ffff88800e85a000 RCX: 0000000000000001
[  213.971085][ T2761] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  213.971579][ T2761] RBP: ffffc90003af7168 R08: 0000000000000000 R09: 0000000000000000
[  213.972067][ T2761] R10: ffffc90003af7198 R11: ffffffffb318d1e0 R12: 1ffff9200075ee14
[  213.972554][ T2761] R13: 00000000000005dc R14: ffffc90003af7198 R15: ffff88800e85af48
[  213.973032][ T2761] FS:  00007f1cdfc0c800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  213.973598][ T2761] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  213.974004][ T2761] CR2: 000000000043d940 CR3: 0000000009611003 CR4: 0000000000772ef0
[  213.974494][ T2761] PKRU: 55555554
[  213.974742][ T2761] Call Trace:
[  213.974979][ T2761]  <TASK>
[ 213.975146][ T2761] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 213.975477][ T2761] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.975811][ T2761] netif_set_mtu (net/core/dev.c:9652) 
[ 213.976129][ T2761] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 213.976479][ T2761] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 213.976722][ T2761] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 213.977045][ T2761] br_add_if (net/bridge/br_if.c:697) 
[ 213.977304][ T2761] do_set_master (net/core/rtnetlink.c:2948) 
[ 213.977623][ T2761] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 213.977947][ T2761] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 213.978281][ T2761] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 213.978604][ T2761] ? __dev_get_by_name (net/core/dev.c:865) 
[ 213.978925][ T2761] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 213.979255][ T2761] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 213.979585][ T2761] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 213.979900][ T2761] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 213.980234][ T2761] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 213.980567][ T2761] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 213.980878][ T2761] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 213.981219][ T2761] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 213.981533][ T2761] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 213.981844][ T2761] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 213.982159][ T2761] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 213.982487][ T2761] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 213.982814][ T2761] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.983143][ T2761] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 213.983481][ T2761] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 213.983808][ T2761] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 213.984139][ T2761] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 213.984471][ T2761] ? 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) 
[ 213.984800][ T2761] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 213.985125][ T2761] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 213.985453][ T2761] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.985789][ T2761] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 213.986111][ T2761] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 213.986442][ T2761] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 213.986772][ T2761] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 213.987094][ T2761] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 213.987424][ T2761] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 213.987840][ T2761] ___sys_sendmsg (net/socket.c:2670) 
[ 213.988165][ T2761] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 213.988494][ T2761] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 213.988818][ T2761] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 213.989136][ T2761] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 213.989470][ T2761] ? __handle_mm_fault (mm/memory.c:6212) 
[ 213.989788][ T2761] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 213.990105][ T2761] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 213.990459][ T2761] __sys_sendmsg (net/socket.c:2700) 
[ 213.990778][ T2761] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 213.991096][ T2761] ? 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) 
[ 213.991433][ T2761] ? 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) 
[ 213.991754][ T2761] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 213.992074][ T2761] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 213.992408][ T2761] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  213.992810][ T2761] RIP: 0033:0x7f1cdfdd91e7
[ 213.993137][ T2761] 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)
[  213.994284][ T2761] RSP: 002b:00007fffbb7a3df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  213.994779][ T2761] RAX: ffffffffffffffda RBX: 00007fffbb7a4530 RCX: 00007f1cdfdd91e7
[  213.995267][ T2761] RDX: 0000000000000000 RSI: 00007fffbb7a3e60 RDI: 0000000000000005
[  213.995747][ T2761] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  213.996236][ T2761] R10: 00007f1cdfe67ac0 R11: 0000000000000246 R12: 00007fffbb7a4568
[  213.996717][ T2761] R13: 00000000686e2636 R14: 0000000000499600 R15: 00007fffbb7a3f50
| [  218.512981][ T2791] ------------[ cut here ]------------
| [ 218.513342][ T2791] WARNING: CPU: 3 PID: 2791 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  218.513984][ T2791] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  218.515294][ T2791] Tainted: [W]=WARN
[  218.515532][ T2791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 218.515925][ T2791] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 218.516270][ T2791] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  218.517452][ T2791] RSP: 0018:ffffc90003c67080 EFLAGS: 00010246
[  218.517861][ T2791] RAX: 0000000000000000 RBX: ffff88800a04a000 RCX: 0000000000000001
[  218.518346][ T2791] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  218.518811][ T2791] RBP: ffffc90003c67168 R08: 0000000000000000 R09: 0000000000000000
[  218.519293][ T2791] R10: ffffc90003c67198 R11: ffffffffb318d1e0 R12: 1ffff9200078ce14
[  218.519780][ T2791] R13: 00000000000005dc R14: ffffc90003c67198 R15: ffff88800a04af48
[  218.520264][ T2791] FS:  00007f2150e60800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  218.520816][ T2791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  218.521230][ T2791] CR2: 00005588afdcfdec CR3: 0000000013785006 CR4: 0000000000772ef0
[  218.521731][ T2791] PKRU: 55555554
[  218.521967][ T2791] Call Trace:
[  218.522219][ T2791]  <TASK>
[ 218.522386][ T2791] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 218.522701][ T2791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.523031][ T2791] netif_set_mtu (net/core/dev.c:9652) 
[ 218.523363][ T2791] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 218.523693][ T2791] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 218.523946][ T2791] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 218.524283][ T2791] br_add_if (net/bridge/br_if.c:697) 
[ 218.524532][ T2791] do_set_master (net/core/rtnetlink.c:2948) 
[ 218.524855][ T2791] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 218.525175][ T2791] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 218.525509][ T2791] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 218.525824][ T2791] ? __dev_get_by_name (net/core/dev.c:865) 
[ 218.526162][ T2791] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 218.526502][ T2791] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 218.526828][ T2791] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 218.527142][ T2791] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 218.527477][ T2791] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 218.527808][ T2791] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 218.528127][ T2791] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.528469][ T2791] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 218.528803][ T2791] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.529127][ T2791] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.529455][ T2791] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 218.529771][ T2791] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.530093][ T2791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.530427][ T2791] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 218.530750][ T2791] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.531067][ T2791] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 218.531411][ T2791] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 218.531722][ T2791] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 218.532033][ T2791] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 218.532361][ T2791] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 218.532674][ T2791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.532992][ T2791] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 218.533320][ T2791] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 218.533648][ T2791] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 218.533973][ T2791] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 218.534296][ T2791] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 218.534602][ T2791] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 218.535006][ T2791] ___sys_sendmsg (net/socket.c:2670) 
[ 218.535324][ T2791] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 218.535631][ T2791] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 218.535962][ T2791] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 218.536276][ T2791] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 218.536594][ T2791] ? __handle_mm_fault (mm/memory.c:6212) 
[ 218.536900][ T2791] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 218.537217][ T2791] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 218.537547][ T2791] __sys_sendmsg (net/socket.c:2700) 
[ 218.537870][ T2791] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 218.538191][ T2791] ? 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) 
[ 218.538515][ T2791] ? 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) 
[ 218.538825][ T2791] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.539136][ T2791] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 218.539455][ T2791] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  218.539844][ T2791] RIP: 0033:0x7f215102d1e7
[ 218.540204][ T2791] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  218.541318][ T2791] RSP: 002b:00007fff3fc47108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  218.541796][ T2791] RAX: ffffffffffffffda RBX: 00007fff3fc47840 RCX: 00007f215102d1e7
[  218.542285][ T2791] RDX: 0000000000000000 RSI: 00007fff3fc47170 RDI: 0000000000000005
[  218.542745][ T2791] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  218.543216][ T2791] R10: 00007f21510bbac0 R11: 0000000000000246 R12: 00007fff3fc47878
[  218.543678][ T2791] R13: 00000000686e263b R14: 0000000000499600 R15: 00007fff3fc47260
| [  226.667874][ T2857] ------------[ cut here ]------------
| [ 226.668509][ T2857] WARNING: CPU: 2 PID: 2857 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) 
| [  226.669153][ T2857] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  226.670412][ T2857] Tainted: [W]=WARN
[  226.670666][ T2857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 226.671071][ T2857] 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) 
[ 226.671431][ T2857] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  226.672607][ T2857] RSP: 0018:ffffc90003f07080 EFLAGS: 00010246
[  226.673017][ T2857] RAX: 0000000000000000 RBX: ffff88800beca000 RCX: 0000000000000001
[  226.673498][ T2857] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  226.673969][ T2857] RBP: ffffc90003f07168 R08: 0000000000000000 R09: 0000000000000000
[  226.674466][ T2857] R10: ffffc90003f07198 R11: ffffffffb318d1e0 R12: 1ffff920007e0e14
[  226.674940][ T2857] R13: 00000000000005dc R14: ffffc90003f07198 R15: ffff88800becaf48
[  226.675448][ T2857] FS:  00007fd5414b2800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  226.675998][ T2857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  226.676422][ T2857] CR2: 00007fd54169dba0 CR3: 000000000529f001 CR4: 0000000000772ef0
[  226.676894][ T2857] PKRU: 55555554
[  226.677141][ T2857] Call Trace:
[  226.677393][ T2857]  <TASK>
[ 226.677569][ T2857] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 226.677902][ T2857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.678262][ T2857] netif_set_mtu (net/core/dev.c:9652) 
[ 226.678577][ T2857] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 226.678922][ T2857] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 226.679174][ T2857] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 226.679522][ T2857] br_add_if (net/bridge/br_if.c:697) 
[ 226.679786][ T2857] do_set_master (net/core/rtnetlink.c:2948) 
[ 226.680107][ T2857] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 226.680437][ T2857] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 226.680758][ T2857] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 226.681082][ T2857] ? __dev_get_by_name (net/core/dev.c:865) 
[ 226.681426][ T2857] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 226.681743][ T2857] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 226.682069][ T2857] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 226.682397][ T2857] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 226.682727][ T2857] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 226.683056][ T2857] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 226.683401][ T2857] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 226.683747][ T2857] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 226.684068][ T2857] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 226.684398][ T2857] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 226.684726][ T2857] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 226.685058][ T2857] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 226.685393][ T2857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.685720][ T2857] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 226.686064][ T2857] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 226.686400][ T2857] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 226.686736][ T2857] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 226.687062][ T2857] ? 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) 
[ 226.687405][ T2857] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 226.687740][ T2857] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 226.688059][ T2857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.688406][ T2857] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 226.688731][ T2857] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 226.689063][ T2857] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 226.689421][ T2857] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 226.689758][ T2857] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 226.690079][ T2857] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 226.690500][ T2857] ___sys_sendmsg (net/socket.c:2670) 
[ 226.690828][ T2857] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 226.691149][ T2857] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 226.691498][ T2857] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 226.691821][ T2857] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 226.692144][ T2857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 226.692485][ T2857] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 226.692818][ T2857] __sys_sendmsg (net/socket.c:2700) 
[ 226.693137][ T2857] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 226.693491][ T2857] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 226.693819][ T2857] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 226.694153][ T2857] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  226.694564][ T2857] RIP: 0033:0x7fd54167f1e7
[ 226.694916][ T2857] 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)
[  226.696064][ T2857] RSP: 002b:00007fffb1ad7188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  226.696568][ T2857] RAX: ffffffffffffffda RBX: 00007fffb1ad78c0 RCX: 00007fd54167f1e7
[  226.697043][ T2857] RDX: 0000000000000000 RSI: 00007fffb1ad71f0 RDI: 0000000000000005
[  226.697530][ T2857] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  226.698021][ T2857] R10: 00007fd54170dac0 R11: 0000000000000246 R12: 00007fffb1ad78f8
[  226.698517][ T2857] R13: 00000000686e2643 R14: 0000000000499600 R15: 00007fffb1ad72e0
| [  231.135128][ T2887] ------------[ cut here ]------------
| [ 231.135477][ T2887] WARNING: CPU: 3 PID: 2887 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) 
| [  231.136094][ T2887] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  231.137586][ T2887] Tainted: [W]=WARN
[  231.137816][ T2887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 231.138202][ T2887] 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) 
[ 231.138526][ T2887] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  231.139631][ T2887] RSP: 0018:ffffc90004077080 EFLAGS: 00010246
[  231.140023][ T2887] RAX: 0000000000000000 RBX: ffff88800f882000 RCX: 0000000000000001
[  231.140501][ T2887] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  231.140963][ T2887] RBP: ffffc90004077168 R08: 0000000000000000 R09: 0000000000000000
[  231.141439][ T2887] R10: ffffc90004077198 R11: ffffffffb318d1e0 R12: 1ffff9200080ee14
[  231.141911][ T2887] R13: 00000000000005dc R14: ffffc90004077198 R15: ffff88800f882f48
[  231.142398][ T2887] FS:  00007f42c7bf6800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  231.142939][ T2887] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  231.143337][ T2887] CR2: 00007f42c7de1ba0 CR3: 0000000013015003 CR4: 0000000000772ef0
[  231.143803][ T2887] PKRU: 55555554
[  231.144036][ T2887] Call Trace:
[  231.144278][ T2887]  <TASK>
[ 231.144440][ T2887] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 231.144774][ T2887] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.145098][ T2887] netif_set_mtu (net/core/dev.c:9652) 
[ 231.145419][ T2887] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 231.145744][ T2887] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 231.145981][ T2887] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 231.146312][ T2887] br_add_if (net/bridge/br_if.c:697) 
[ 231.146564][ T2887] do_set_master (net/core/rtnetlink.c:2948) 
[ 231.146898][ T2887] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 231.147225][ T2887] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 231.147536][ T2887] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 231.147839][ T2887] ? __dev_get_by_name (net/core/dev.c:865) 
[ 231.148157][ T2887] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 231.148474][ T2887] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 231.148789][ T2887] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 231.149132][ T2887] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 231.149481][ T2887] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 231.149807][ T2887] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 231.150124][ T2887] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 231.150468][ T2887] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 231.150774][ T2887] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 231.151091][ T2887] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 231.151412][ T2887] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 231.151738][ T2887] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 231.152056][ T2887] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.152396][ T2887] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 231.152711][ T2887] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 231.153025][ T2887] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 231.153368][ T2887] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 231.153678][ T2887] ? 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) 
[ 231.154005][ T2887] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 231.154337][ T2887] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 231.154647][ T2887] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.154974][ T2887] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 231.155301][ T2887] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 231.155615][ T2887] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 231.155942][ T2887] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 231.156273][ T2887] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 231.156592][ T2887] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 231.156983][ T2887] ___sys_sendmsg (net/socket.c:2670) 
[ 231.157318][ T2887] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 231.157633][ T2887] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 231.157950][ T2887] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 231.158280][ T2887] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 231.158616][ T2887] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.158944][ T2887] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.159276][ T2887] __sys_sendmsg (net/socket.c:2700) 
[ 231.159591][ T2887] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 231.159914][ T2887] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.160244][ T2887] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 231.160555][ T2887] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  231.160936][ T2887] RIP: 0033:0x7f42c7dc31e7
[ 231.161287][ T2887] 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)
[  231.162415][ T2887] RSP: 002b:00007fff99f8cad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  231.162900][ T2887] RAX: ffffffffffffffda RBX: 00007fff99f8d210 RCX: 00007f42c7dc31e7
[  231.163398][ T2887] RDX: 0000000000000000 RSI: 00007fff99f8cb40 RDI: 0000000000000005
[  231.163867][ T2887] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  231.164347][ T2887] R10: 00007f42c7e51ac0 R11: 0000000000000246 R12: 00007fff99f8d248
[  231.164815][ T2887] R13: 00000000686e2647 R14: 0000000000499600 R15: 00007fff99f8cc30
| [  251.817762][ T3059] ------------[ cut here ]------------
| [ 251.818077][ T3059] WARNING: CPU: 1 PID: 3059 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) 
| [  251.818903][ T3059] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  251.820100][ T3059] Tainted: [W]=WARN
[  251.820338][ T3059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 251.820717][ T3059] 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) 
[ 251.821030][ T3059] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  251.822124][ T3059] RSP: 0018:ffffc90004597080 EFLAGS: 00010246
[  251.822515][ T3059] RAX: 0000000000000000 RBX: ffff88800517a000 RCX: 0000000000000001
[  251.822969][ T3059] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  251.823440][ T3059] RBP: ffffc90004597168 R08: 0000000000000000 R09: 0000000000000000
[  251.823903][ T3059] R10: ffffc90004597198 R11: ffffffffb318d1e0 R12: 1ffff920008b2e14
[  251.824804][ T3059] R13: 00000000000005dc R14: ffffc90004597198 R15: ffff88800517af48
[  251.825267][ T3059] FS:  00007f40b16b0800(0000) GS:ffff8880b0c19000(0000) knlGS:0000000000000000
[  251.825798][ T3059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  251.826192][ T3059] CR2: 00007f40b17b0130 CR3: 00000000050c2003 CR4: 0000000000772ef0
[  251.826654][ T3059] PKRU: 55555554
[  251.826884][ T3059] Call Trace:
[  251.827110][ T3059]  <TASK>
[ 251.827287][ T3059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 251.827595][ T3059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.827918][ T3059] netif_set_mtu (net/core/dev.c:9652) 
[ 251.828230][ T3059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 251.828559][ T3059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 251.828791][ T3059] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 251.829100][ T3059] br_add_if (net/bridge/br_if.c:697) 
[ 251.829349][ T3059] do_set_master (net/core/rtnetlink.c:2948) 
[ 251.829655][ T3059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 251.829960][ T3059] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 251.830275][ T3059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 251.830580][ T3059] ? __dev_get_by_name (net/core/dev.c:865) 
[ 251.830895][ T3059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 251.831217][ T3059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 251.831530][ T3059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 251.831832][ T3059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 251.832142][ T3059] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 251.832462][ T3059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 251.832774][ T3059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 251.833087][ T3059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 251.833403][ T3059] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 251.833709][ T3059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 251.834015][ T3059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 251.834326][ T3059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 251.834632][ T3059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.834959][ T3059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 251.835282][ T3059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 251.835597][ T3059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 251.835912][ T3059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 251.836220][ T3059] ? 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) 
[ 251.836524][ T3059] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 251.836833][ T3059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 251.837144][ T3059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.837462][ T3059] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 251.837778][ T3059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 251.838081][ T3059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 251.838403][ T3059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 251.838711][ T3059] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 251.839010][ T3059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 251.839420][ T3059] ___sys_sendmsg (net/socket.c:2670) 
[ 251.839733][ T3059] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 251.840045][ T3059] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 251.840360][ T3059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 251.840662][ T3059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 251.840975][ T3059] ? __handle_mm_fault (mm/memory.c:6212) 
[ 251.841287][ T3059] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 251.841588][ T3059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 251.841923][ T3059] __sys_sendmsg (net/socket.c:2700) 
[ 251.842238][ T3059] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 251.842541][ T3059] ? 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) 
[ 251.842856][ T3059] ? 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) 
[ 251.843163][ T3059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.843488][ T3059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 251.843795][ T3059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  251.844174][ T3059] RIP: 0033:0x7f40b187d1e7
[ 251.844507][ T3059] 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)
[  251.845613][ T3059] RSP: 002b:00007fff5cd40c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  251.846078][ T3059] RAX: ffffffffffffffda RBX: 00007fff5cd413a0 RCX: 00007f40b187d1e7
[  251.846549][ T3059] RDX: 0000000000000000 RSI: 00007fff5cd40cd0 RDI: 0000000000000005
[  251.847005][ T3059] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  251.847474][ T3059] R10: 00007f40b190bac0 R11: 0000000000000246 R12: 00007fff5cd413d8
[  251.847931][ T3059] R13: 00000000686e265c R14: 0000000000499600 R15: 00007fff5cd40dc0
| [  256.216359][ T3089] ------------[ cut here ]------------
| [ 256.216691][ T3089] WARNING: CPU: 0 PID: 3089 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) 
| [  256.217326][ T3089] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  256.218555][ T3089] Tainted: [W]=WARN
[  256.218804][ T3089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 256.219250][ T3089] 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) 
[ 256.219586][ T3089] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  256.220739][ T3089] RSP: 0018:ffffc900046d7080 EFLAGS: 00010246
[  256.221152][ T3089] RAX: 0000000000000000 RBX: ffff88800beca000 RCX: 0000000000000001
[  256.221660][ T3089] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  256.222139][ T3089] RBP: ffffc900046d7168 R08: 0000000000000000 R09: 0000000000000000
[  256.222631][ T3089] R10: ffffc900046d7198 R11: ffffffffb318d1e0 R12: 1ffff920008dae14
[  256.223108][ T3089] R13: 00000000000005dc R14: ffffc900046d7198 R15: ffff88800becaf48
[  256.223624][ T3089] FS:  00007f8f23968800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  256.224199][ T3089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  256.224602][ T3089] CR2: 000000000043d940 CR3: 0000000009994005 CR4: 0000000000772ef0
[  256.225096][ T3089] PKRU: 55555554
[  256.225356][ T3089] Call Trace:
[  256.225605][ T3089]  <TASK>
[ 256.225777][ T3089] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 256.226107][ T3089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 256.226453][ T3089] netif_set_mtu (net/core/dev.c:9652) 
[ 256.226772][ T3089] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 256.227107][ T3089] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 256.227374][ T3089] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 256.227711][ T3089] br_add_if (net/bridge/br_if.c:697) 
[ 256.227976][ T3089] do_set_master (net/core/rtnetlink.c:2948) 
[ 256.228306][ T3089] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 256.228631][ T3089] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 256.228952][ T3089] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 256.229279][ T3089] ? __dev_get_by_name (net/core/dev.c:865) 
[ 256.229600][ T3089] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 256.229916][ T3089] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 256.230251][ T3089] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 256.230575][ T3089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 256.230900][ T3089] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 256.231252][ T3089] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 256.231581][ T3089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 256.231913][ T3089] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 256.232237][ T3089] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 256.232561][ T3089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 256.232892][ T3089] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 256.233225][ T3089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 256.233555][ T3089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 256.233874][ T3089] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 256.234216][ T3089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 256.234537][ T3089] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 256.234882][ T3089] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 256.235232][ T3089] ? 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) 
[ 256.235555][ T3089] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 256.235878][ T3089] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 256.236211][ T3089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 256.236546][ T3089] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 256.236871][ T3089] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 256.237205][ T3089] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 256.237537][ T3089] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 256.237877][ T3089] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 256.238208][ T3089] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 256.238616][ T3089] ___sys_sendmsg (net/socket.c:2670) 
[ 256.238936][ T3089] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 256.239283][ T3089] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 256.239614][ T3089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 256.239952][ T3089] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 256.240292][ T3089] ? __handle_mm_fault (mm/memory.c:6212) 
[ 256.240617][ T3089] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 256.240940][ T3089] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 256.241301][ T3089] __sys_sendmsg (net/socket.c:2700) 
[ 256.241625][ T3089] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 256.241943][ T3089] ? 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) 
[ 256.242300][ T3089] ? 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) 
[ 256.242633][ T3089] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 256.242978][ T3089] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 256.243331][ T3089] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  256.243735][ T3089] RIP: 0033:0x7f8f23b351e7
[ 256.244077][ T3089] 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)
[  256.245246][ T3089] RSP: 002b:00007fff46709458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  256.245740][ T3089] RAX: ffffffffffffffda RBX: 00007fff46709b90 RCX: 00007f8f23b351e7
[  256.246237][ T3089] RDX: 0000000000000000 RSI: 00007fff467094c0 RDI: 0000000000000005
[  256.246716][ T3089] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  256.247221][ T3089] R10: 00007f8f23bc3ac0 R11: 0000000000000246 R12: 00007fff46709bc8
[  256.247681][ T3089] R13: 00000000686e2660 R14: 0000000000499600 R15: 00007fff467095b0
| [  264.155557][ T3155] ------------[ cut here ]------------
| [ 264.155870][ T3155] WARNING: CPU: 3 PID: 3155 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) 
| [  264.156483][ T3155] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  264.157685][ T3155] Tainted: [W]=WARN
[  264.157917][ T3155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 264.158317][ T3155] 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) 
[ 264.158630][ T3155] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  264.159732][ T3155] RSP: 0018:ffffc900049f7080 EFLAGS: 00010246
[  264.160119][ T3155] RAX: 0000000000000000 RBX: ffff888009c82000 RCX: 0000000000000001
[  264.160582][ T3155] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  264.161040][ T3155] RBP: ffffc900049f7168 R08: 0000000000000000 R09: 0000000000000000
[  264.161509][ T3155] R10: ffffc900049f7198 R11: ffffffffb318d1e0 R12: 1ffff9200093ee14
[  264.161963][ T3155] R13: 00000000000005dc R14: ffffc900049f7198 R15: ffff888009c82f48
[  264.162440][ T3155] FS:  00007f10858b0800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  264.162980][ T3155] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  264.163376][ T3155] CR2: 00007f10859b0130 CR3: 000000000f366005 CR4: 0000000000772ef0
[  264.163837][ T3155] PKRU: 55555554
[  264.164064][ T3155] Call Trace:
[  264.164299][ T3155]  <TASK>
[ 264.164457][ T3155] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 264.164770][ T3155] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 264.165090][ T3155] netif_set_mtu (net/core/dev.c:9652) 
[ 264.165407][ T3155] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 264.165736][ T3155] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 264.165969][ T3155] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 264.166294][ T3155] br_add_if (net/bridge/br_if.c:697) 
[ 264.166536][ T3155] do_set_master (net/core/rtnetlink.c:2948) 
[ 264.166839][ T3155] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 264.167146][ T3155] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 264.167461][ T3155] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 264.167770][ T3155] ? __dev_get_by_name (net/core/dev.c:865) 
[ 264.168073][ T3155] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 264.168388][ T3155] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 264.168695][ T3155] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 264.168994][ T3155] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 264.169311][ T3155] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 264.169623][ T3155] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 264.169933][ T3155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 264.170276][ T3155] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 264.170581][ T3155] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 264.170888][ T3155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 264.171203][ T3155] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 264.171517][ T3155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 264.171825][ T3155] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 264.172131][ T3155] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 264.172441][ T3155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 264.172754][ T3155] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 264.173069][ T3155] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 264.173378][ T3155] ? 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) 
[ 264.173683][ T3155] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 264.173989][ T3155] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 264.174309][ T3155] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 264.174619][ T3155] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 264.174942][ T3155] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 264.175256][ T3155] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 264.175572][ T3155] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 264.175877][ T3155] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 264.176190][ T3155] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 264.176583][ T3155] ___sys_sendmsg (net/socket.c:2670) 
[ 264.176887][ T3155] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 264.177210][ T3155] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 264.177516][ T3155] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 264.177819][ T3155] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 264.178125][ T3155] ? __handle_mm_fault (mm/memory.c:6212) 
[ 264.178442][ T3155] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 264.178753][ T3155] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 264.179083][ T3155] __sys_sendmsg (net/socket.c:2700) 
[ 264.179396][ T3155] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 264.179699][ T3155] ? 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) 
[ 264.180009][ T3155] ? 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) 
[ 264.180320][ T3155] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 264.180627][ T3155] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 264.180933][ T3155] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  264.181326][ T3155] RIP: 0033:0x7f1085a7d1e7
[ 264.181642][ T3155] 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)
[  264.182742][ T3155] RSP: 002b:00007ffe61c6ea78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  264.183215][ T3155] RAX: ffffffffffffffda RBX: 00007ffe61c6f1b0 RCX: 00007f1085a7d1e7
[  264.183676][ T3155] RDX: 0000000000000000 RSI: 00007ffe61c6eae0 RDI: 0000000000000005
[  264.184127][ T3155] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  264.184587][ T3155] R10: 00007f1085b0bac0 R11: 0000000000000246 R12: 00007ffe61c6f1e8
[  264.185048][ T3155] R13: 00000000686e2668 R14: 0000000000499600 R15: 00007ffe61c6ebd0
| [  268.528266][ T3185] ------------[ cut here ]------------
| [ 268.528657][ T3185] WARNING: CPU: 3 PID: 3185 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) 
| [  268.529330][ T3185] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  268.530634][ T3185] Tainted: [W]=WARN
[  268.530870][ T3185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 268.531281][ T3185] 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) 
[ 268.531605][ T3185] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  268.532710][ T3185] RSP: 0018:ffffc90004ae7080 EFLAGS: 00010246
[  268.533105][ T3185] RAX: 0000000000000000 RBX: ffff88800e91a000 RCX: 0000000000000001
[  268.533594][ T3185] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  268.534055][ T3185] RBP: ffffc90004ae7168 R08: 0000000000000000 R09: 0000000000000000
[  268.534551][ T3185] R10: ffffc90004ae7198 R11: ffffffffb318d1e0 R12: 1ffff9200095ce14
[  268.535026][ T3185] R13: 00000000000005dc R14: ffffc90004ae7198 R15: ffff88800e91af48
[  268.535513][ T3185] FS:  00007fde0ba61800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  268.536054][ T3185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  268.536451][ T3185] CR2: 00007fde0bb61130 CR3: 000000000eabb006 CR4: 0000000000772ef0
[  268.536915][ T3185] PKRU: 55555554
[  268.537149][ T3185] Call Trace:
[  268.537390][ T3185]  <TASK>
[ 268.537567][ T3185] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 268.537877][ T3185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 268.538276][ T3185] netif_set_mtu (net/core/dev.c:9652) 
[ 268.538587][ T3185] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 268.538908][ T3185] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 268.539143][ T3185] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 268.539475][ T3185] br_add_if (net/bridge/br_if.c:697) 
[ 268.539720][ T3185] do_set_master (net/core/rtnetlink.c:2948) 
[ 268.540045][ T3185] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 268.540366][ T3185] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 268.540683][ T3185] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 268.540990][ T3185] ? __dev_get_by_name (net/core/dev.c:865) 
[ 268.541312][ T3185] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 268.541620][ T3185] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 268.541931][ T3185] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 268.542273][ T3185] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 268.542586][ T3185] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 268.542905][ T3185] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 268.543229][ T3185] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 268.543555][ T3185] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 268.543858][ T3185] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 268.544164][ T3185] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 268.544483][ T3185] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 268.544818][ T3185] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 268.545127][ T3185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 268.545440][ T3185] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 268.545760][ T3185] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 268.546068][ T3185] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 268.546413][ T3185] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 268.546723][ T3185] ? 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) 
[ 268.547042][ T3185] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 268.547377][ T3185] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 268.547681][ T3185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 268.547995][ T3185] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 268.548314][ T3185] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 268.548623][ T3185] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 268.548939][ T3185] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 268.549277][ T3185] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 268.549589][ T3185] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 268.549986][ T3185] ___sys_sendmsg (net/socket.c:2670) 
[ 268.550318][ T3185] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 268.550627][ T3185] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 268.550941][ T3185] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 268.551261][ T3185] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 268.551581][ T3185] ? __handle_mm_fault (mm/memory.c:6212) 
[ 268.551883][ T3185] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 268.552209][ T3185] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 268.552538][ T3185] __sys_sendmsg (net/socket.c:2700) 
[ 268.552845][ T3185] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 268.553152][ T3185] ? 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) 
[ 268.553489][ T3185] ? 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) 
[ 268.553807][ T3185] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 268.554116][ T3185] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 268.554467][ T3185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  268.554863][ T3185] RIP: 0033:0x7fde0bc2e1e7
[ 268.555204][ T3185] 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)
[  268.556320][ T3185] RSP: 002b:00007ffc5aabf578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  268.556795][ T3185] RAX: ffffffffffffffda RBX: 00007ffc5aabfcb0 RCX: 00007fde0bc2e1e7
[  268.557275][ T3185] RDX: 0000000000000000 RSI: 00007ffc5aabf5e0 RDI: 0000000000000005
[  268.557741][ T3185] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  268.558243][ T3185] R10: 00007fde0bcbcac0 R11: 0000000000000246 R12: 00007ffc5aabfce8
[  268.558703][ T3185] R13: 00000000686e266d R14: 0000000000499600 R15: 00007ffc5aabf6d0
| [  287.559599][ T3358] ------------[ cut here ]------------
| [ 287.559912][ T3358] WARNING: CPU: 0 PID: 3358 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) 
| [  287.560543][ T3358] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  287.561769][ T3358] Tainted: [W]=WARN
[  287.561999][ T3358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 287.563263][ T3358] 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) 
[ 287.563599][ T3358] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  287.564704][ T3358] RSP: 0018:ffffc90004ff7080 EFLAGS: 00010246
[  287.565115][ T3358] RAX: 0000000000000000 RBX: ffff888009bc2000 RCX: 0000000000000001
[  287.565604][ T3358] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  287.566054][ T3358] RBP: ffffc90004ff7168 R08: 0000000000000000 R09: 0000000000000000
[  287.566519][ T3358] R10: ffffc90004ff7198 R11: ffffffffb318d1e0 R12: 1ffff920009fee14
[  287.566969][ T3358] R13: 00000000000005dc R14: ffffc90004ff7198 R15: ffff888009bc2f48
[  287.567456][ T3358] FS:  00007fdae4c9f800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  287.568003][ T3358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  287.568406][ T3358] CR2: 000000000043d940 CR3: 0000000012211006 CR4: 0000000000772ef0
[  287.568870][ T3358] PKRU: 55555554
[  287.569097][ T3358] Call Trace:
[  287.569348][ T3358]  <TASK>
[ 287.569519][ T3358] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 287.569829][ T3358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 287.570145][ T3358] netif_set_mtu (net/core/dev.c:9652) 
[ 287.570457][ T3358] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 287.570778][ T3358] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 287.571009][ T3358] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 287.571329][ T3358] br_add_if (net/bridge/br_if.c:697) 
[ 287.571575][ T3358] do_set_master (net/core/rtnetlink.c:2948) 
[ 287.571882][ T3358] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 287.572201][ T3358] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 287.572517][ T3358] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 287.572819][ T3358] ? __dev_get_by_name (net/core/dev.c:865) 
[ 287.573121][ T3358] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 287.573447][ T3358] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 287.573756][ T3358] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 287.574061][ T3358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 287.574391][ T3358] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 287.574711][ T3358] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 287.575039][ T3358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 287.575368][ T3358] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 287.575677][ T3358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 287.575987][ T3358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 287.576296][ T3358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 287.576605][ T3358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 287.576921][ T3358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 287.577252][ T3358] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 287.577571][ T3358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 287.577884][ T3358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 287.578219][ T3358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 287.578531][ T3358] ? 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) 
[ 287.578844][ T3358] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 287.579163][ T3358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 287.579481][ T3358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 287.579797][ T3358] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 287.580107][ T3358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 287.580416][ T3358] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 287.580727][ T3358] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 287.581038][ T3358] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 287.581362][ T3358] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 287.581755][ T3358] ___sys_sendmsg (net/socket.c:2670) 
[ 287.582058][ T3358] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 287.582372][ T3358] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 287.582687][ T3358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 287.582997][ T3358] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 287.583320][ T3358] ? __handle_mm_fault (mm/memory.c:6212) 
[ 287.583637][ T3358] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 287.583948][ T3358] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 287.584290][ T3358] __sys_sendmsg (net/socket.c:2700) 
[ 287.584597][ T3358] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 287.584910][ T3358] ? 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) 
[ 287.585248][ T3358] ? 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) 
[ 287.585567][ T3358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 287.585886][ T3358] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 287.586207][ T3358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  287.586593][ T3358] RIP: 0033:0x7fdae4e6c1e7
[ 287.586906][ T3358] 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)
[  287.588041][ T3358] RSP: 002b:00007fffa6ab7ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  287.588533][ T3358] RAX: ffffffffffffffda RBX: 00007fffa6ab8600 RCX: 00007fdae4e6c1e7
[  287.588996][ T3358] RDX: 0000000000000000 RSI: 00007fffa6ab7f30 RDI: 0000000000000005
[  287.589467][ T3358] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  287.589942][ T3358] R10: 00007fdae4efaac0 R11: 0000000000000246 R12: 00007fffa6ab8638
[  287.590430][ T3358] R13: 00000000686e2680 R14: 0000000000499600 R15: 00007fffa6ab8020
| [  291.431558][ T3388] ------------[ cut here ]------------
| [ 291.431865][ T3388] WARNING: CPU: 0 PID: 3388 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) 
| [  291.432559][ T3388] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  291.433737][ T3388] Tainted: [W]=WARN
[  291.433969][ T3388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 291.434359][ T3388] 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) 
[ 291.434670][ T3388] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  291.435779][ T3388] RSP: 0018:ffffc90005167080 EFLAGS: 00010246
[  291.436160][ T3388] RAX: 0000000000000000 RBX: ffff888009c82000 RCX: 0000000000000001
[  291.436619][ T3388] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  291.437067][ T3388] RBP: ffffc90005167168 R08: 0000000000000000 R09: 0000000000000000
[  291.437540][ T3388] R10: ffffc90005167198 R11: ffffffffb318d1e0 R12: 1ffff92000a2ce14
[  291.437994][ T3388] R13: 00000000000005dc R14: ffffc90005167198 R15: ffff888009c82f48
[  291.438450][ T3388] FS:  00007eff1533c800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  291.438976][ T3388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  291.439361][ T3388] CR2: 000000000043d940 CR3: 000000000d1b6001 CR4: 0000000000772ef0
[  291.439820][ T3388] PKRU: 55555554
[  291.440046][ T3388] Call Trace:
[  291.440280][ T3388]  <TASK>
[ 291.440437][ T3388] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 291.440737][ T3388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 291.441050][ T3388] netif_set_mtu (net/core/dev.c:9652) 
[ 291.441356][ T3388] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 291.441676][ T3388] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 291.441907][ T3388] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 291.442219][ T3388] br_add_if (net/bridge/br_if.c:697) 
[ 291.442459][ T3388] do_set_master (net/core/rtnetlink.c:2948) 
[ 291.442763][ T3388] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 291.443066][ T3388] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 291.443379][ T3388] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 291.443680][ T3388] ? __dev_get_by_name (net/core/dev.c:865) 
[ 291.443980][ T3388] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 291.444291][ T3388] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 291.444599][ T3388] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 291.444904][ T3388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 291.445219][ T3388] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 291.445533][ T3388] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 291.445839][ T3388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 291.446151][ T3388] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 291.446464][ T3388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 291.446768][ T3388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 291.447066][ T3388] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 291.447375][ T3388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 291.447680][ T3388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 291.447985][ T3388] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 291.448290][ T3388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 291.448593][ T3388] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 291.448910][ T3388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 291.449213][ T3388] ? 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) 
[ 291.449515][ T3388] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 291.449820][ T3388] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 291.450118][ T3388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 291.450431][ T3388] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 291.450737][ T3388] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 291.451045][ T3388] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 291.451363][ T3388] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 291.451665][ T3388] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 291.451967][ T3388] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 291.452358][ T3388] ___sys_sendmsg (net/socket.c:2670) 
[ 291.452661][ T3388] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 291.452961][ T3388] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 291.453278][ T3388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 291.453576][ T3388] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 291.453879][ T3388] ? __handle_mm_fault (mm/memory.c:6212) 
[ 291.454188][ T3388] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 291.454486][ T3388] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 291.454810][ T3388] __sys_sendmsg (net/socket.c:2700) 
[ 291.455114][ T3388] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 291.455422][ T3388] ? 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) 
[ 291.455730][ T3388] ? 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) 
[ 291.456031][ T3388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 291.456343][ T3388] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 291.456644][ T3388] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  291.457015][ T3388] RIP: 0033:0x7eff155091e7
[ 291.457335][ T3388] 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)
[  291.458419][ T3388] RSP: 002b:00007ffe1dc86898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  291.458870][ T3388] RAX: ffffffffffffffda RBX: 00007ffe1dc86fd0 RCX: 00007eff155091e7
[  291.459331][ T3388] RDX: 0000000000000000 RSI: 00007ffe1dc86900 RDI: 0000000000000005
[  291.459777][ T3388] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  291.460232][ T3388] R10: 00007eff15597ac0 R11: 0000000000000246 R12: 00007ffe1dc87008
[  291.460682][ T3388] R13: 00000000686e2683 R14: 0000000000499600 R15: 00007ffe1dc869f0
| [  298.062884][ T3453] ------------[ cut here ]------------
| [ 298.063200][ T3453] WARNING: CPU: 3 PID: 3453 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) 
| [  298.063794][ T3453] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  298.064973][ T3453] Tainted: [W]=WARN
[  298.065230][ T3453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 298.065608][ T3453] 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) 
[ 298.065919][ T3453] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  298.067008][ T3453] RSP: 0018:ffffc90005467080 EFLAGS: 00010246
[  298.067398][ T3453] RAX: 0000000000000000 RBX: ffff888009e2a000 RCX: 0000000000000001
[  298.067849][ T3453] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  298.068307][ T3453] RBP: ffffc90005467168 R08: 0000000000000000 R09: 0000000000000000
[  298.068765][ T3453] R10: ffffc90005467198 R11: ffffffffb318d1e0 R12: 1ffff92000a8ce14
[  298.069225][ T3453] R13: 00000000000005dc R14: ffffc90005467198 R15: ffff888009e2af48
[  298.069677][ T3453] FS:  00007fa9c54d1800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  298.070216][ T3453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  298.070604][ T3453] CR2: 00007fa9c55d1130 CR3: 000000000bf33006 CR4: 0000000000772ef0
[  298.071060][ T3453] PKRU: 55555554
[  298.071298][ T3453] Call Trace:
[  298.071526][ T3453]  <TASK>
[ 298.071683][ T3453] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 298.071988][ T3453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 298.072313][ T3453] netif_set_mtu (net/core/dev.c:9652) 
[ 298.072623][ T3453] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 298.072942][ T3453] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 298.073178][ T3453] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 298.073501][ T3453] br_add_if (net/bridge/br_if.c:697) 
[ 298.073742][ T3453] do_set_master (net/core/rtnetlink.c:2948) 
[ 298.074043][ T3453] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 298.074360][ T3453] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 298.074670][ T3453] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 298.074980][ T3453] ? __dev_get_by_name (net/core/dev.c:865) 
[ 298.075290][ T3453] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 298.075593][ T3453] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 298.075900][ T3453] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 298.076220][ T3453] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 298.076529][ T3453] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 298.076841][ T3453] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 298.077155][ T3453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 298.077477][ T3453] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 298.077779][ T3453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 298.078083][ T3453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 298.078394][ T3453] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 298.078704][ T3453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 298.079012][ T3453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 298.079330][ T3453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 298.079640][ T3453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 298.079946][ T3453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 298.080268][ T3453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 298.080571][ T3453] ? 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) 
[ 298.080877][ T3453] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 298.081196][ T3453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 298.081499][ T3453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 298.081812][ T3453] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 298.082119][ T3453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 298.082434][ T3453] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 298.082746][ T3453] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 298.083050][ T3453] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 298.083360][ T3453] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 298.083752][ T3453] ___sys_sendmsg (net/socket.c:2670) 
[ 298.084066][ T3453] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 298.084390][ T3453] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 298.084698][ T3453] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 298.085012][ T3453] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 298.085329][ T3453] ? __handle_mm_fault (mm/memory.c:6212) 
[ 298.085634][ T3453] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 298.085936][ T3453] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 298.086266][ T3453] __sys_sendmsg (net/socket.c:2700) 
[ 298.086568][ T3453] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 298.086867][ T3453] ? 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) 
[ 298.087176][ T3453] ? 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) 
[ 298.087496][ T3453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 298.087802][ T3453] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 298.088103][ T3453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  298.088489][ T3453] RIP: 0033:0x7fa9c569e1e7
[ 298.088798][ T3453] 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)
[  298.089884][ T3453] RSP: 002b:00007ffc425f6b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  298.090350][ T3453] RAX: ffffffffffffffda RBX: 00007ffc425f72b0 RCX: 00007fa9c569e1e7
[  298.090798][ T3453] RDX: 0000000000000000 RSI: 00007ffc425f6be0 RDI: 0000000000000005
[  298.091255][ T3453] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  298.091708][ T3453] R10: 00007fa9c572cac0 R11: 0000000000000246 R12: 00007ffc425f72e8
[  298.092162][ T3453] R13: 00000000686e268a R14: 0000000000499600 R15: 00007ffc425f6cd0
| [  302.011004][ T3483] ------------[ cut here ]------------
| [ 302.011324][ T3483] WARNING: CPU: 1 PID: 3483 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) 
| [  302.011925][ T3483] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  302.013080][ T3483] Tainted: [W]=WARN
[  302.013316][ T3483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 302.013694][ T3483] 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) 
[ 302.014006][ T3483] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  302.015098][ T3483] RSP: 0018:ffffc900055a7080 EFLAGS: 00010246
[  302.015484][ T3483] RAX: 0000000000000000 RBX: ffff888009d7a000 RCX: 0000000000000001
[  302.015940][ T3483] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  302.016399][ T3483] RBP: ffffc900055a7168 R08: 0000000000000000 R09: 0000000000000000
[  302.016850][ T3483] R10: ffffc900055a7198 R11: ffffffffb318d1e0 R12: 1ffff92000ab4e14
[  302.017325][ T3483] R13: 00000000000005dc R14: ffffc900055a7198 R15: ffff888009d7af48
[  302.017782][ T3483] FS:  00007fc16161a800(0000) GS:ffff8880b0c19000(0000) knlGS:0000000000000000
[  302.018325][ T3483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  302.018706][ T3483] CR2: 00007fc161805ba0 CR3: 00000000139f7005 CR4: 0000000000772ef0
[  302.019160][ T3483] PKRU: 55555554
[  302.019394][ T3483] Call Trace:
[  302.019618][ T3483]  <TASK>
[ 302.019774][ T3483] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 302.020085][ T3483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 302.020406][ T3483] netif_set_mtu (net/core/dev.c:9652) 
[ 302.020713][ T3483] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 302.021031][ T3483] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 302.021270][ T3483] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 302.021577][ T3483] br_add_if (net/bridge/br_if.c:697) 
[ 302.021814][ T3483] do_set_master (net/core/rtnetlink.c:2948) 
[ 302.022118][ T3483] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 302.022429][ T3483] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 302.022732][ T3483] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 302.023031][ T3483] ? __dev_get_by_name (net/core/dev.c:865) 
[ 302.023337][ T3483] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 302.023637][ T3483] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 302.023945][ T3483] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 302.024251][ T3483] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 302.024558][ T3483] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 302.024880][ T3483] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 302.025206][ T3483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 302.025519][ T3483] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 302.025817][ T3483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 302.026118][ T3483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 302.026430][ T3483] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 302.026735][ T3483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 302.027039][ T3483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 302.027353][ T3483] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 302.027652][ T3483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 302.027954][ T3483] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 302.028273][ T3483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 302.028572][ T3483] ? 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) 
[ 302.028878][ T3483] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 302.029194][ T3483] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 302.029495][ T3483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 302.029800][ T3483] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 302.030101][ T3483] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 302.030412][ T3483] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 302.030720][ T3483] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 302.031023][ T3483] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 302.031333][ T3483] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 302.031720][ T3483] ___sys_sendmsg (net/socket.c:2670) 
[ 302.032023][ T3483] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 302.032334][ T3483] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 302.032640][ T3483] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 302.032937][ T3483] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 302.033253][ T3483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 302.033562][ T3483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 302.033868][ T3483] __sys_sendmsg (net/socket.c:2700) 
[ 302.034167][ T3483] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 302.034488][ T3483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 302.034797][ T3483] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 302.035103][ T3483] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  302.035480][ T3483] RIP: 0033:0x7fc1617e71e7
[ 302.035793][ T3483] 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)
[  302.036865][ T3483] RSP: 002b:00007ffdb5c25268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  302.037325][ T3483] RAX: ffffffffffffffda RBX: 00007ffdb5c259a0 RCX: 00007fc1617e71e7
[  302.037780][ T3483] RDX: 0000000000000000 RSI: 00007ffdb5c252d0 RDI: 0000000000000005
[  302.038233][ T3483] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  302.038683][ T3483] R10: 00007fc161875ac0 R11: 0000000000000246 R12: 00007ffdb5c259d8
[  302.039133][ T3483] R13: 00000000686e268e R14: 0000000000499600 R15: 00007ffdb5c253c0
| [  320.891228][ T3656] ------------[ cut here ]------------
| [ 320.891599][ T3656] WARNING: CPU: 0 PID: 3656 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) 
| [  320.892295][ T3656] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  320.893624][ T3656] Tainted: [W]=WARN
[  320.893886][ T3656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 320.894951][ T3656] 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) 
[ 320.895323][ T3656] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  320.896545][ T3656] RSP: 0018:ffffc90005b47080 EFLAGS: 00010246
[  320.896978][ T3656] RAX: 0000000000000000 RBX: ffff888009d7a000 RCX: 0000000000000001
[  320.897514][ T3656] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  320.898030][ T3656] RBP: ffffc90005b47168 R08: 0000000000000000 R09: 0000000000000000
[  320.898558][ T3656] R10: ffffc90005b47198 R11: ffffffffb318d1e0 R12: 1ffff92000b68e14
[  320.899068][ T3656] R13: 00000000000005dc R14: ffffc90005b47198 R15: ffff888009d7af48
[  320.899595][ T3656] FS:  00007fb0fac8c800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  320.900200][ T3656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.900630][ T3656] CR2: 000000000043d940 CR3: 0000000012e26002 CR4: 0000000000772ef0
[  320.901142][ T3656] PKRU: 55555554
[  320.901417][ T3656] Call Trace:
[  320.901683][ T3656]  <TASK>
[ 320.901864][ T3656] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 320.902216][ T3656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 320.902572][ T3656] netif_set_mtu (net/core/dev.c:9652) 
[ 320.902914][ T3656] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 320.903282][ T3656] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 320.903544][ T3656] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 320.903892][ T3656] br_add_if (net/bridge/br_if.c:697) 
[ 320.904160][ T3656] do_set_master (net/core/rtnetlink.c:2948) 
[ 320.904512][ T3656] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 320.904870][ T3656] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 320.905236][ T3656] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 320.905579][ T3656] ? __dev_get_by_name (net/core/dev.c:865) 
[ 320.905921][ T3656] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 320.906276][ T3656] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 320.906626][ T3656] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 320.906971][ T3656] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 320.907328][ T3656] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 320.907682][ T3656] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 320.908028][ T3656] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 320.908391][ T3656] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 320.908732][ T3656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 320.909076][ T3656] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 320.909436][ T3656] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 320.909798][ T3656] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 320.910145][ T3656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 320.910503][ T3656] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 320.910846][ T3656] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 320.911199][ T3656] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 320.911556][ T3656] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 320.911898][ T3656] ? 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) 
[ 320.912257][ T3656] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 320.912605][ T3656] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 320.912943][ T3656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 320.913311][ T3656] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 320.913659][ T3656] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 320.914015][ T3656] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 320.914377][ T3656] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 320.914727][ T3656] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 320.915078][ T3656] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 320.915529][ T3656] ___sys_sendmsg (net/socket.c:2670) 
[ 320.915873][ T3656] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 320.916222][ T3656] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 320.916573][ T3656] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 320.916913][ T3656] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 320.917288][ T3656] ? __handle_mm_fault (mm/memory.c:6212) 
[ 320.917639][ T3656] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 320.917976][ T3656] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 320.918345][ T3656] __sys_sendmsg (net/socket.c:2700) 
[ 320.918690][ T3656] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 320.919032][ T3656] ? 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) 
[ 320.919400][ T3656] ? 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) 
[ 320.919747][ T3656] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 320.920092][ T3656] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 320.920445][ T3656] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  320.920869][ T3656] RIP: 0033:0x7fb0fae591e7
[ 320.921242][ T3656] 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)
[  320.922471][ T3656] RSP: 002b:00007ffe56588d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  320.922987][ T3656] RAX: ffffffffffffffda RBX: 00007ffe565894a0 RCX: 00007fb0fae591e7
[  320.923508][ T3656] RDX: 0000000000000000 RSI: 00007ffe56588dd0 RDI: 0000000000000005
[  320.924020][ T3656] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  320.924548][ T3656] R10: 00007fb0faee7ac0 R11: 0000000000000246 R12: 00007ffe565894d8
[  320.925067][ T3656] R13: 00000000686e26a1 R14: 0000000000499600 R15: 00007ffe56588ec0
| [  324.730208][ T3686] ------------[ cut here ]------------
| [ 324.730516][ T3686] WARNING: CPU: 3 PID: 3686 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) 
| [  324.731112][ T3686] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  324.732291][ T3686] Tainted: [W]=WARN
[  324.732532][ T3686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 324.732915][ T3686] 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) 
[ 324.733232][ T3686] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  324.734314][ T3686] RSP: 0018:ffffc90005cf7080 EFLAGS: 00010246
[  324.734699][ T3686] RAX: 0000000000000000 RBX: ffff888009e2a000 RCX: 0000000000000001
[  324.735165][ T3686] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  324.735622][ T3686] RBP: ffffc90005cf7168 R08: 0000000000000000 R09: 0000000000000000
[  324.736074][ T3686] R10: ffffc90005cf7198 R11: ffffffffb318d1e0 R12: 1ffff92000b9ee14
[  324.736530][ T3686] R13: 00000000000005dc R14: ffffc90005cf7198 R15: ffff888009e2af48
[  324.736983][ T3686] FS:  00007f26f6059800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  324.737513][ T3686] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  324.737893][ T3686] CR2: 000000000043d940 CR3: 0000000005b32004 CR4: 0000000000772ef0
[  324.738352][ T3686] PKRU: 55555554
[  324.738577][ T3686] Call Trace:
[  324.738802][ T3686]  <TASK>
[ 324.738962][ T3686] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 324.739272][ T3686] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 324.739587][ T3686] netif_set_mtu (net/core/dev.c:9652) 
[ 324.739890][ T3686] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 324.740215][ T3686] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 324.740445][ T3686] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 324.740748][ T3686] br_add_if (net/bridge/br_if.c:697) 
[ 324.740986][ T3686] do_set_master (net/core/rtnetlink.c:2948) 
[ 324.741298][ T3686] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 324.741603][ T3686] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 324.741906][ T3686] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 324.742211][ T3686] ? __dev_get_by_name (net/core/dev.c:865) 
[ 324.742512][ T3686] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 324.742811][ T3686] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 324.743118][ T3686] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 324.743432][ T3686] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 324.743738][ T3686] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 324.744049][ T3686] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 324.744364][ T3686] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 324.744677][ T3686] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 324.744984][ T3686] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 324.745294][ T3686] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 324.745595][ T3686] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 324.745903][ T3686] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 324.746219][ T3686] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 324.746530][ T3686] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 324.746831][ T3686] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 324.747133][ T3686] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 324.747452][ T3686] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 324.747753][ T3686] ? 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) 
[ 324.748060][ T3686] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 324.748372][ T3686] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 324.748673][ T3686] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 324.748978][ T3686] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 324.749290][ T3686] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 324.749594][ T3686] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 324.749908][ T3686] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 324.750220][ T3686] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 324.750520][ T3686] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 324.750905][ T3686] ___sys_sendmsg (net/socket.c:2670) 
[ 324.751214][ T3686] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 324.751517][ T3686] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 324.751821][ T3686] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 324.752121][ T3686] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 324.752438][ T3686] ? __handle_mm_fault (mm/memory.c:6212) 
[ 324.752741][ T3686] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 324.753039][ T3686] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 324.753366][ T3686] __sys_sendmsg (net/socket.c:2700) 
[ 324.753669][ T3686] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 324.753968][ T3686] ? 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) 
[ 324.754282][ T3686] ? 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) 
[ 324.754592][ T3686] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 324.755016][ T3686] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 324.755330][ T3686] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  324.755705][ T3686] RIP: 0033:0x7f26f62261e7
[ 324.756016][ T3686] 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)
[  324.757103][ T3686] RSP: 002b:00007fffac3a5668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  324.757567][ T3686] RAX: ffffffffffffffda RBX: 00007fffac3a5da0 RCX: 00007f26f62261e7
[  324.758022][ T3686] RDX: 0000000000000000 RSI: 00007fffac3a56d0 RDI: 0000000000000005
[  324.758484][ T3686] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  324.758941][ T3686] R10: 00007f26f62b4ac0 R11: 0000000000000246 R12: 00007fffac3a5dd8
[  324.759404][ T3686] R13: 00000000686e26a5 R14: 0000000000499600 R15: 00007fffac3a57c0
| [  331.390994][ T3752] ------------[ cut here ]------------
| [ 331.391321][ T3752] WARNING: CPU: 3 PID: 3752 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) 
| [  331.391917][ T3752] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  331.393073][ T3752] Tainted: [W]=WARN
[  331.393314][ T3752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 331.393691][ T3752] 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) 
[ 331.394005][ T3752] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  331.395098][ T3752] RSP: 0018:ffffc90005fc7080 EFLAGS: 00010246
[  331.395488][ T3752] RAX: 0000000000000000 RBX: ffff88800ec52000 RCX: 0000000000000001
[  331.395940][ T3752] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  331.396398][ T3752] RBP: ffffc90005fc7168 R08: 0000000000000000 R09: 0000000000000000
[  331.396850][ T3752] R10: ffffc90005fc7198 R11: ffffffffb318d1e0 R12: 1ffff92000bf8e14
[  331.397315][ T3752] R13: 00000000000005dc R14: ffffc90005fc7198 R15: ffff88800ec52f48
[  331.397767][ T3752] FS:  00007f580401e800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  331.398304][ T3752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  331.398685][ T3752] CR2: 00007f5804209ba0 CR3: 000000000bc0f006 CR4: 0000000000772ef0
[  331.399145][ T3752] PKRU: 55555554
[  331.399378][ T3752] Call Trace:
[  331.399603][ T3752]  <TASK>
[ 331.399761][ T3752] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 331.400063][ T3752] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.400385][ T3752] netif_set_mtu (net/core/dev.c:9652) 
[ 331.400686][ T3752] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 331.401005][ T3752] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 331.401243][ T3752] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 331.401554][ T3752] br_add_if (net/bridge/br_if.c:697) 
[ 331.401797][ T3752] do_set_master (net/core/rtnetlink.c:2948) 
[ 331.402098][ T3752] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 331.402410][ T3752] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 331.402716][ T3752] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 331.403014][ T3752] ? __dev_get_by_name (net/core/dev.c:865) 
[ 331.403344][ T3752] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 331.403649][ T3752] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 331.403976][ T3752] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 331.404285][ T3752] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 331.404592][ T3752] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 331.404920][ T3752] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 331.405239][ T3752] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 331.405553][ T3752] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 331.405852][ T3752] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 331.406160][ T3752] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 331.406469][ T3752] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 331.406776][ T3752] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 331.407079][ T3752] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.407395][ T3752] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 331.407694][ T3752] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 331.407996][ T3752] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 331.408324][ T3752] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 331.408626][ T3752] ? 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) 
[ 331.408927][ T3752] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 331.409241][ T3752] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 331.409542][ T3752] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.409848][ T3752] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 331.410152][ T3752] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 331.410481][ T3752] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 331.410799][ T3752] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 331.411100][ T3752] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 331.411407][ T3752] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 331.411794][ T3752] ___sys_sendmsg (net/socket.c:2670) 
[ 331.412101][ T3752] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 331.412420][ T3752] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 331.412738][ T3752] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 331.413042][ T3752] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 331.413362][ T3752] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.413678][ T3752] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.413986][ T3752] __sys_sendmsg (net/socket.c:2700) 
[ 331.414294][ T3752] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 331.414609][ T3752] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 331.414921][ T3752] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 331.415242][ T3752] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  331.415623][ T3752] RIP: 0033:0x7f58041eb1e7
[ 331.415936][ T3752] 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)
[  331.417017][ T3752] RSP: 002b:00007fff749e9cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  331.417503][ T3752] RAX: ffffffffffffffda RBX: 00007fff749ea410 RCX: 00007f58041eb1e7
[  331.417954][ T3752] RDX: 0000000000000000 RSI: 00007fff749e9d40 RDI: 0000000000000005
[  331.418411][ T3752] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  331.418863][ T3752] R10: 00007f5804279ac0 R11: 0000000000000246 R12: 00007fff749ea448
[  331.419327][ T3752] R13: 00000000686e26ab R14: 0000000000499600 R15: 00007fff749e9e30
| [  335.305948][ T3782] ------------[ cut here ]------------
| [ 335.307137][ T3782] WARNING: CPU: 1 PID: 3782 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) 
| [  335.307751][ T3782] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  335.308913][ T3782] Tainted: [W]=WARN
[  335.309150][ T3782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 335.309532][ T3782] 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) 
[ 335.309840][ T3782] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  335.310914][ T3782] RSP: 0018:ffffc90006087080 EFLAGS: 00010246
[  335.311307][ T3782] RAX: 0000000000000000 RBX: ffff88800abda000 RCX: 0000000000000001
[  335.311754][ T3782] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  335.312213][ T3782] RBP: ffffc90006087168 R08: 0000000000000000 R09: 0000000000000000
[  335.312661][ T3782] R10: ffffc90006087198 R11: ffffffffb318d1e0 R12: 1ffff92000c10e14
[  335.313115][ T3782] R13: 00000000000005dc R14: ffffc90006087198 R15: ffff88800abdaf48
[  335.313599][ T3782] FS:  00007f123e4ec800(0000) GS:ffff8880b0c19000(0000) knlGS:0000000000000000
[  335.314126][ T3782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  335.314511][ T3782] CR2: 00007f123e6d7ba0 CR3: 000000000b63b002 CR4: 0000000000772ef0
[  335.314977][ T3782] PKRU: 55555554
[  335.315211][ T3782] Call Trace:
[  335.315436][ T3782]  <TASK>
[ 335.315592][ T3782] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 335.315894][ T3782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 335.316220][ T3782] netif_set_mtu (net/core/dev.c:9652) 
[ 335.316524][ T3782] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 335.316841][ T3782] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 335.317071][ T3782] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 335.317392][ T3782] br_add_if (net/bridge/br_if.c:697) 
[ 335.317631][ T3782] do_set_master (net/core/rtnetlink.c:2948) 
[ 335.317929][ T3782] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 335.318241][ T3782] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 335.318549][ T3782] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 335.318848][ T3782] ? __dev_get_by_name (net/core/dev.c:865) 
[ 335.319148][ T3782] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 335.319463][ T3782] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 335.319771][ T3782] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 335.320069][ T3782] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 335.320382][ T3782] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 335.320694][ T3782] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 335.321001][ T3782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 335.321321][ T3782] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 335.321620][ T3782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 335.321929][ T3782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 335.322238][ T3782] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 335.322542][ T3782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 335.322845][ T3782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 335.323152][ T3782] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 335.323461][ T3782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 335.323766][ T3782] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 335.324081][ T3782] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 335.324389][ T3782] ? 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) 
[ 335.324693][ T3782] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 335.325006][ T3782] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 335.325314][ T3782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 335.325621][ T3782] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 335.325924][ T3782] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 335.326240][ T3782] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 335.326548][ T3782] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 335.326851][ T3782] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 335.327149][ T3782] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 335.327545][ T3782] ___sys_sendmsg (net/socket.c:2670) 
[ 335.327851][ T3782] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 335.328158][ T3782] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 335.328477][ T3782] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 335.328777][ T3782] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 335.329082][ T3782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 335.329400][ T3782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 335.329708][ T3782] __sys_sendmsg (net/socket.c:2700) 
[ 335.330013][ T3782] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 335.330337][ T3782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 335.330641][ T3782] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 335.330951][ T3782] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  335.331333][ T3782] RIP: 0033:0x7f123e6b91e7
[ 335.331643][ T3782] 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)
[  335.332722][ T3782] RSP: 002b:00007ffe22fb8028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  335.333189][ T3782] RAX: ffffffffffffffda RBX: 00007ffe22fb8760 RCX: 00007f123e6b91e7
[  335.333640][ T3782] RDX: 0000000000000000 RSI: 00007ffe22fb8090 RDI: 0000000000000005
[  335.334089][ T3782] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  335.334547][ T3782] R10: 00007f123e747ac0 R11: 0000000000000246 R12: 00007ffe22fb8798
[  335.335008][ T3782] R13: 00000000686e26af R14: 0000000000499600 R15: 00007ffe22fb8180
| [  353.938970][ T3954] ------------[ cut here ]------------
| [ 353.939316][ T3954] WARNING: CPU: 2 PID: 3954 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  353.939952][ T3954] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  353.941208][ T3954] Tainted: [W]=WARN
[  353.941490][ T3954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 353.941879][ T3954] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 353.942215][ T3954] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  353.943330][ T3954] RSP: 0018:ffffc90006587080 EFLAGS: 00010246
[  353.943736][ T3954] RAX: 0000000000000000 RBX: ffff88800ebba000 RCX: 0000000000000001
[  353.944213][ T3954] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  353.944675][ T3954] RBP: ffffc90006587168 R08: 0000000000000000 R09: 0000000000000000
[  353.945146][ T3954] R10: ffffc90006587198 R11: ffffffffb318d1e0 R12: 1ffff92000cb0e14
[  353.945640][ T3954] R13: 00000000000005dc R14: ffffc90006587198 R15: ffff88800ebbaf48
[  353.946109][ T3954] FS:  00007f8d78574800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  353.946807][ T3954] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  353.947348][ T3954] CR2: 00007f8d787cfb78 CR3: 0000000005c65004 CR4: 0000000000772ef0
[  353.948008][ T3954] PKRU: 55555554
[  353.948401][ T3954] Call Trace:
[  353.948774][ T3954]  <TASK>
[ 353.949094][ T3954] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 353.949556][ T3954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 353.950031][ T3954] netif_set_mtu (net/core/dev.c:9652) 
[ 353.950437][ T3954] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 353.950766][ T3954] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 353.951007][ T3954] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 353.951343][ T3954] br_add_if (net/bridge/br_if.c:697) 
[ 353.951596][ T3954] do_set_master (net/core/rtnetlink.c:2948) 
[ 353.951907][ T3954] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 353.952231][ T3954] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 353.952547][ T3954] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 353.952856][ T3954] ? __dev_get_by_name (net/core/dev.c:865) 
[ 353.953169][ T3954] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 353.953495][ T3954] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 353.953817][ T3954] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 353.954126][ T3954] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 353.954461][ T3954] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 353.954791][ T3954] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 353.955122][ T3954] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 353.955460][ T3954] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 353.955786][ T3954] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 353.956125][ T3954] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 353.956449][ T3954] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 353.956781][ T3954] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 353.957100][ T3954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 353.957435][ T3954] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 353.957755][ T3954] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 353.958070][ T3954] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 353.958441][ T3954] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 353.958763][ T3954] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 353.959092][ T3954] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 353.959435][ T3954] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 353.959749][ T3954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 353.960080][ T3954] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 353.960409][ T3954] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 353.960748][ T3954] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 353.961079][ T3954] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 353.961427][ T3954] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 353.961743][ T3954] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 353.962155][ T3954] ___sys_sendmsg (net/socket.c:2670) 
[ 353.962507][ T3954] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 353.962838][ T3954] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 353.963195][ T3954] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 353.963531][ T3954] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 353.963858][ T3954] ? __handle_mm_fault (mm/memory.c:6212) 
[ 353.964171][ T3954] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 353.964494][ T3954] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 353.964836][ T3954] __sys_sendmsg (net/socket.c:2700) 
[ 353.965153][ T3954] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 353.965484][ T3954] ? 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) 
[ 353.965815][ T3954] ? 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) 
[ 353.966130][ T3954] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 353.966489][ T3954] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 353.966809][ T3954] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  353.967203][ T3954] RIP: 0033:0x7f8d787411e7
[ 353.967536][ T3954] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  353.968672][ T3954] RSP: 002b:00007ffc23317688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  353.969155][ T3954] RAX: ffffffffffffffda RBX: 00007ffc23317dc0 RCX: 00007f8d787411e7
[  353.969651][ T3954] RDX: 0000000000000000 RSI: 00007ffc233176f0 RDI: 0000000000000005
[  353.970140][ T3954] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  353.970653][ T3954] R10: 00007f8d787cfac0 R11: 0000000000000246 R12: 00007ffc23317df8
[  353.971139][ T3954] R13: 00000000686e26c2 R14: 0000000000499600 R15: 00007ffc233177e0
| [  357.792896][ T3984] ------------[ cut here ]------------
| [ 357.793232][ T3984] WARNING: CPU: 0 PID: 3984 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) 
| [  357.793835][ T3984] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  357.795043][ T3984] Tainted: [W]=WARN
[  357.795290][ T3984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 357.795666][ T3984] 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) 
[ 357.795984][ T3984] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  357.797123][ T3984] RSP: 0018:ffffc90006727080 EFLAGS: 00010246
[  357.797523][ T3984] RAX: 0000000000000000 RBX: ffff88800ec52000 RCX: 0000000000000001
[  357.797991][ T3984] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  357.798465][ T3984] RBP: ffffc90006727168 R08: 0000000000000000 R09: 0000000000000000
[  357.798932][ T3984] R10: ffffc90006727198 R11: ffffffffb318d1e0 R12: 1ffff92000ce4e14
[  357.799406][ T3984] R13: 00000000000005dc R14: ffffc90006727198 R15: ffff88800ec52f48
[  357.799863][ T3984] FS:  00007f260e985800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  357.800414][ T3984] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  357.800805][ T3984] CR2: 000000000043d940 CR3: 0000000005717006 CR4: 0000000000772ef0
[  357.801272][ T3984] PKRU: 55555554
[  357.801508][ T3984] Call Trace:
[  357.801731][ T3984]  <TASK>
[ 357.801891][ T3984] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 357.802209][ T3984] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 357.802528][ T3984] netif_set_mtu (net/core/dev.c:9652) 
[ 357.802830][ T3984] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 357.803149][ T3984] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 357.803386][ T3984] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 357.803691][ T3984] br_add_if (net/bridge/br_if.c:697) 
[ 357.803931][ T3984] do_set_master (net/core/rtnetlink.c:2948) 
[ 357.804236][ T3984] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 357.804541][ T3984] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 357.804854][ T3984] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 357.805160][ T3984] ? __dev_get_by_name (net/core/dev.c:865) 
[ 357.805481][ T3984] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 357.805792][ T3984] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 357.806109][ T3984] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 357.806428][ T3984] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 357.806741][ T3984] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 357.807054][ T3984] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 357.807370][ T3984] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 357.807682][ T3984] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 357.807992][ T3984] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 357.808314][ T3984] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 357.808615][ T3984] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 357.808920][ T3984] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 357.809237][ T3984] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 357.809543][ T3984] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 357.809843][ T3984] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 357.810147][ T3984] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 357.810468][ T3984] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 357.810766][ T3984] ? 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) 
[ 357.811073][ T3984] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 357.811393][ T3984] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 357.811692][ T3984] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 357.812004][ T3984] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 357.812334][ T3984] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 357.812643][ T3984] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 357.812956][ T3984] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 357.813271][ T3984] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 357.813573][ T3984] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 357.813965][ T3984] ___sys_sendmsg (net/socket.c:2670) 
[ 357.814278][ T3984] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 357.814579][ T3984] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 357.814890][ T3984] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 357.815199][ T3984] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 357.815503][ T3984] ? __handle_mm_fault (mm/memory.c:6212) 
[ 357.815808][ T3984] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 357.816117][ T3984] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 357.816457][ T3984] __sys_sendmsg (net/socket.c:2700) 
[ 357.816774][ T3984] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 357.817094][ T3984] ? 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) 
[ 357.817426][ T3984] ? 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) 
[ 357.817750][ T3984] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 357.818071][ T3984] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 357.818401][ T3984] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  357.818792][ T3984] RIP: 0033:0x7f260eb521e7
[ 357.819118][ T3984] 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)
[  357.820263][ T3984] RSP: 002b:00007ffcdd7b46c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  357.820749][ T3984] RAX: ffffffffffffffda RBX: 00007ffcdd7b4e00 RCX: 00007f260eb521e7
[  357.821231][ T3984] RDX: 0000000000000000 RSI: 00007ffcdd7b4730 RDI: 0000000000000005
[  357.821709][ T3984] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  357.822200][ T3984] R10: 00007f260ebe0ac0 R11: 0000000000000246 R12: 00007ffcdd7b4e38
[  357.822676][ T3984] R13: 00000000686e26c6 R14: 0000000000499600 R15: 00007ffcdd7b4820
| [  364.604523][ T4049] ------------[ cut here ]------------
| [ 364.604841][ T4049] WARNING: CPU: 0 PID: 4049 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) 
| [  364.606328][ T4049] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  364.607492][ T4049] Tainted: [W]=WARN
[  364.607720][ T4049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 364.608098][ T4049] 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) 
[ 364.608428][ T4049] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  364.609537][ T4049] RSP: 0018:ffffc90006a67080 EFLAGS: 00010246
[  364.609918][ T4049] RAX: 0000000000000000 RBX: ffff88800ab3a000 RCX: 0000000000000001
[  364.610382][ T4049] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  364.610832][ T4049] RBP: ffffc90006a67168 R08: 0000000000000000 R09: 0000000000000000
[  364.611286][ T4049] R10: ffffc90006a67198 R11: ffffffffb318d1e0 R12: 1ffff92000d4ce14
[  364.611736][ T4049] R13: 00000000000005dc R14: ffffc90006a67198 R15: ffff88800ab3af48
[  364.612210][ T4049] FS:  00007f3491ce2800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  364.612767][ T4049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  364.613146][ T4049] CR2: 00007f3491ecdba0 CR3: 000000001679c004 CR4: 0000000000772ef0
[  364.613609][ T4049] PKRU: 55555554
[  364.613835][ T4049] Call Trace:
[  364.614059][ T4049]  <TASK>
[ 364.614224][ T4049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 364.614529][ T4049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.614850][ T4049] netif_set_mtu (net/core/dev.c:9652) 
[ 364.615154][ T4049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 364.615485][ T4049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 364.615717][ T4049] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 364.616022][ T4049] br_add_if (net/bridge/br_if.c:697) 
[ 364.616291][ T4049] do_set_master (net/core/rtnetlink.c:2948) 
[ 364.616610][ T4049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 364.616914][ T4049] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 364.617226][ T4049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 364.617524][ T4049] ? __dev_get_by_name (net/core/dev.c:865) 
[ 364.617826][ T4049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 364.618124][ T4049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 364.618437][ T4049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 364.618738][ T4049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 364.619043][ T4049] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 364.619361][ T4049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 364.619672][ T4049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 364.619986][ T4049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 364.620305][ T4049] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 364.620633][ T4049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 364.620935][ T4049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 364.621256][ T4049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 364.621562][ T4049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.621871][ T4049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 364.622176][ T4049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 364.622493][ T4049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 364.622806][ T4049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 364.623106][ T4049] ? 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) 
[ 364.623421][ T4049] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 364.623726][ T4049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 364.624027][ T4049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.624358][ T4049] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 364.624682][ T4049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 364.624994][ T4049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 364.625313][ T4049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 364.625623][ T4049] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 364.625924][ T4049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 364.626320][ T4049] ___sys_sendmsg (net/socket.c:2670) 
[ 364.626627][ T4049] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 364.626931][ T4049] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 364.627249][ T4049] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 364.627548][ T4049] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 364.627856][ T4049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.628165][ T4049] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 364.628507][ T4049] __sys_sendmsg (net/socket.c:2700) 
[ 364.628831][ T4049] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 364.629151][ T4049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 364.629466][ T4049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 364.629776][ T4049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  364.630155][ T4049] RIP: 0033:0x7f3491eaf1e7
[ 364.630477][ T4049] 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)
[  364.631563][ T4049] RSP: 002b:00007ffc3b085748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  364.632016][ T4049] RAX: ffffffffffffffda RBX: 00007ffc3b085e80 RCX: 00007f3491eaf1e7
[  364.632494][ T4049] RDX: 0000000000000000 RSI: 00007ffc3b0857b0 RDI: 0000000000000005
[  364.632970][ T4049] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  364.633431][ T4049] R10: 00007f3491f3dac0 R11: 0000000000000246 R12: 00007ffc3b085eb8
[  364.633881][ T4049] R13: 00000000686e26cd R14: 0000000000499600 R15: 00007ffc3b0858a0
| [  368.493383][ T4079] ------------[ cut here ]------------
| [ 368.493713][ T4079] WARNING: CPU: 2 PID: 4079 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) 
| [  368.494337][ T4079] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  368.495560][ T4079] Tainted: [W]=WARN
[  368.495802][ T4079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 368.496209][ T4079] 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) 
[ 368.496547][ T4079] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  368.497649][ T4079] RSP: 0018:ffffc90006bc7080 EFLAGS: 00010246
[  368.498047][ T4079] RAX: 0000000000000000 RBX: ffff8880168b2000 RCX: 0000000000000001
[  368.498522][ T4079] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  368.498986][ T4079] RBP: ffffc90006bc7168 R08: 0000000000000000 R09: 0000000000000000
[  368.499472][ T4079] R10: ffffc90006bc7198 R11: ffffffffb318d1e0 R12: 1ffff92000d78e14
[  368.499935][ T4079] R13: 00000000000005dc R14: ffffc90006bc7198 R15: ffff8880168b2f48
[  368.500421][ T4079] FS:  00007ff22b50c800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  368.500968][ T4079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  368.501514][ T4079] CR2: 00007ff22b6f7ba0 CR3: 0000000009ba5001 CR4: 0000000000772ef0
[  368.502112][ T4079] PKRU: 55555554
[  368.502515][ T4079] Call Trace:
[  368.502883][ T4079]  <TASK>
[ 368.503232][ T4079] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 368.503549][ T4079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 368.503875][ T4079] netif_set_mtu (net/core/dev.c:9652) 
[ 368.504207][ T4079] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 368.504541][ T4079] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 368.504786][ T4079] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 368.505110][ T4079] br_add_if (net/bridge/br_if.c:697) 
[ 368.505377][ T4079] do_set_master (net/core/rtnetlink.c:2948) 
[ 368.505687][ T4079] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 368.506004][ T4079] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 368.506328][ T4079] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 368.506641][ T4079] ? __dev_get_by_name (net/core/dev.c:865) 
[ 368.506951][ T4079] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 368.507273][ T4079] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 368.507590][ T4079] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 368.507906][ T4079] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 368.508243][ T4079] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 368.508570][ T4079] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 368.508887][ T4079] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 368.509226][ T4079] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 368.509537][ T4079] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 368.509852][ T4079] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 368.510168][ T4079] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 368.510494][ T4079] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 368.510810][ T4079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 368.511128][ T4079] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 368.511448][ T4079] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 368.511764][ T4079] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 368.512086][ T4079] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 368.512423][ T4079] ? 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) 
[ 368.512738][ T4079] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 368.513056][ T4079] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 368.513376][ T4079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 368.513695][ T4079] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 368.514012][ T4079] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 368.514339][ T4079] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 368.514660][ T4079] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 368.514991][ T4079] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 368.515317][ T4079] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 368.515720][ T4079] ___sys_sendmsg (net/socket.c:2670) 
[ 368.516038][ T4079] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 368.516377][ T4079] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 368.516696][ T4079] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 368.517014][ T4079] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 368.517343][ T4079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 368.517666][ T4079] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 368.517982][ T4079] __sys_sendmsg (net/socket.c:2700) 
[ 368.518312][ T4079] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 368.518638][ T4079] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 368.518953][ T4079] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 368.519278][ T4079] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  368.519667][ T4079] RIP: 0033:0x7ff22b6d91e7
[ 368.519992][ T4079] 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)
[  368.521095][ T4079] RSP: 002b:00007ffd3014a3b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  368.521575][ T4079] RAX: ffffffffffffffda RBX: 00007ffd3014aaf0 RCX: 00007ff22b6d91e7
[  368.522042][ T4079] RDX: 0000000000000000 RSI: 00007ffd3014a420 RDI: 0000000000000005
[  368.522511][ T4079] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  368.522977][ T4079] R10: 00007ff22b767ac0 R11: 0000000000000246 R12: 00007ffd3014ab28
[  368.523448][ T4079] R13: 00000000686e26d1 R14: 0000000000499600 R15: 00007ffd3014a510
| [  386.890360][ T4253] ------------[ cut here ]------------
| [ 386.890668][ T4253] WARNING: CPU: 0 PID: 4253 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  386.891777][ T4253] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  386.892934][ T4253] Tainted: [W]=WARN
[  386.893160][ T4253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 386.893543][ T4253] 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) 
[ 386.893855][ T4253] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  386.894945][ T4253] RSP: 0018:ffffc900071e7080 EFLAGS: 00010246
[  386.895342][ T4253] RAX: 0000000000000000 RBX: ffff8880166b2000 RCX: 0000000000000001
[  386.895798][ T4253] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  386.896252][ T4253] RBP: ffffc900071e7168 R08: 0000000000000000 R09: 0000000000000000
[  386.896699][ T4253] R10: ffffc900071e7198 R11: ffffffffb318d1e0 R12: 1ffff92000e3ce14
[  386.897146][ T4253] R13: 00000000000005dc R14: ffffc900071e7198 R15: ffff8880166b2f48
[  386.897605][ T4253] FS:  00007f87f152b800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  386.898129][ T4253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  386.898560][ T4253] CR2: 000000000043d940 CR3: 0000000005195004 CR4: 0000000000772ef0
[  386.899013][ T4253] PKRU: 55555554
[  386.899247][ T4253] Call Trace:
[  386.899470][ T4253]  <TASK>
[ 386.899626][ T4253] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 386.899932][ T4253] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 386.900252][ T4253] netif_set_mtu (net/core/dev.c:9652) 
[ 386.900554][ T4253] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 386.900871][ T4253] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 386.901099][ T4253] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 386.901411][ T4253] br_add_if (net/bridge/br_if.c:697) 
[ 386.901655][ T4253] do_set_master (net/core/rtnetlink.c:2948) 
[ 386.901960][ T4253] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 386.902273][ T4253] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 386.902579][ T4253] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 386.902879][ T4253] ? __dev_get_by_name (net/core/dev.c:865) 
[ 386.903191][ T4253] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 386.903491][ T4253] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 386.903798][ T4253] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 386.904094][ T4253] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 386.904408][ T4253] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 386.904718][ T4253] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 386.905032][ T4253] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 386.905350][ T4253] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 386.905651][ T4253] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 386.905954][ T4253] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 386.906262][ T4253] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 386.906568][ T4253] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 386.906873][ T4253] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 386.907176][ T4253] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 386.907486][ T4253] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 386.907788][ T4253] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 386.908099][ T4253] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 386.908403][ T4253] ? 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) 
[ 386.908708][ T4253] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 386.909012][ T4253] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 386.909317][ T4253] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 386.909622][ T4253] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 386.909927][ T4253] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 386.910238][ T4253] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 386.910545][ T4253] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 386.910847][ T4253] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 386.911147][ T4253] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 386.911540][ T4253] ___sys_sendmsg (net/socket.c:2670) 
[ 386.911849][ T4253] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 386.912151][ T4253] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 386.912462][ T4253] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 386.912760][ T4253] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 386.913067][ T4253] ? __handle_mm_fault (mm/memory.c:6212) 
[ 386.913373][ T4253] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 386.913669][ T4253] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 386.913988][ T4253] __sys_sendmsg (net/socket.c:2700) 
[ 386.914296][ T4253] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 386.914596][ T4253] ? 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) 
[ 386.914907][ T4253] ? 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) 
[ 386.915220][ T4253] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 386.915524][ T4253] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 386.915824][ T4253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  386.916205][ T4253] RIP: 0033:0x7f87f16f81e7
[ 386.916514][ T4253] 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)
[  386.917592][ T4253] RSP: 002b:00007ffec61bfa58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  386.918043][ T4253] RAX: ffffffffffffffda RBX: 00007ffec61c0190 RCX: 00007f87f16f81e7
[  386.918500][ T4253] RDX: 0000000000000000 RSI: 00007ffec61bfac0 RDI: 0000000000000005
[  386.918955][ T4253] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  386.919416][ T4253] R10: 00007f87f1786ac0 R11: 0000000000000246 R12: 00007ffec61c01c8
[  386.919866][ T4253] R13: 00000000686e26e3 R14: 0000000000499600 R15: 00007ffec61bfbb0
| [  390.805526][ T4283] ------------[ cut here ]------------
| [ 390.805829][ T4283] WARNING: CPU: 3 PID: 4283 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) 
| [  390.806501][ T4283] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  390.807668][ T4283] Tainted: [W]=WARN
[  390.807899][ T4283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 390.808285][ T4283] 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) 
[ 390.808599][ T4283] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  390.809706][ T4283] RSP: 0018:ffffc90007347080 EFLAGS: 00010246
[  390.810086][ T4283] RAX: 0000000000000000 RBX: ffff88800ab3a000 RCX: 0000000000000001
[  390.810547][ T4283] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  390.810995][ T4283] RBP: ffffc90007347168 R08: 0000000000000000 R09: 0000000000000000
[  390.811456][ T4283] R10: ffffc90007347198 R11: ffffffffb318d1e0 R12: 1ffff92000e68e14
[  390.811914][ T4283] R13: 00000000000005dc R14: ffffc90007347198 R15: ffff88800ab3af48
[  390.812401][ T4283] FS:  00007fa73fef8800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  390.812929][ T4283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  390.813314][ T4283] CR2: 00007ff571144000 CR3: 00000000133c8001 CR4: 0000000000772ef0
[  390.813777][ T4283] PKRU: 55555554
[  390.814002][ T4283] Call Trace:
[  390.814232][ T4283]  <TASK>
[ 390.814390][ T4283] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 390.814692][ T4283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 390.815023][ T4283] netif_set_mtu (net/core/dev.c:9652) 
[ 390.815339][ T4283] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 390.815664][ T4283] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 390.815902][ T4283] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 390.816220][ T4283] br_add_if (net/bridge/br_if.c:697) 
[ 390.816461][ T4283] do_set_master (net/core/rtnetlink.c:2948) 
[ 390.816764][ T4283] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 390.817066][ T4283] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 390.817378][ T4283] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 390.817678][ T4283] ? __dev_get_by_name (net/core/dev.c:865) 
[ 390.817980][ T4283] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 390.818298][ T4283] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 390.818605][ T4283] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 390.818903][ T4283] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 390.819215][ T4283] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 390.819526][ T4283] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 390.819837][ T4283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 390.820156][ T4283] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 390.820462][ T4283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 390.820774][ T4283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 390.821084][ T4283] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 390.821394][ T4283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 390.821698][ T4283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 390.822007][ T4283] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 390.822325][ T4283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 390.822628][ T4283] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 390.822948][ T4283] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 390.823255][ T4283] ? 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) 
[ 390.823559][ T4283] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 390.823872][ T4283] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 390.824189][ T4283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 390.824504][ T4283] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 390.824820][ T4283] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 390.825140][ T4283] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 390.825458][ T4283] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 390.825770][ T4283] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 390.826076][ T4283] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 390.826474][ T4283] ___sys_sendmsg (net/socket.c:2670) 
[ 390.826777][ T4283] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 390.827079][ T4283] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 390.827394][ T4283] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 390.827691][ T4283] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 390.827997][ T4283] ? __handle_mm_fault (mm/memory.c:6212) 
[ 390.828306][ T4283] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 390.828605][ T4283] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 390.828926][ T4283] __sys_sendmsg (net/socket.c:2700) 
[ 390.829238][ T4283] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 390.829543][ T4283] ? 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) 
[ 390.829850][ T4283] ? 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) 
[ 390.830160][ T4283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 390.830472][ T4283] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 390.830773][ T4283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  390.831151][ T4283] RIP: 0033:0x7fa7400c51e7
[ 390.831495][ T4283] 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)
[  390.832579][ T4283] RSP: 002b:00007ffd4facb018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  390.833058][ T4283] RAX: ffffffffffffffda RBX: 00007ffd4facb750 RCX: 00007fa7400c51e7
[  390.833514][ T4283] RDX: 0000000000000000 RSI: 00007ffd4facb080 RDI: 0000000000000005
[  390.833993][ T4283] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  390.834465][ T4283] R10: 00007fa740153ac0 R11: 0000000000000246 R12: 00007ffd4facb788
[  390.834923][ T4283] R13: 00000000686e26e7 R14: 0000000000499600 R15: 00007ffd4facb170
| [  397.527677][ T4348] ------------[ cut here ]------------
| [ 397.527987][ T4348] WARNING: CPU: 0 PID: 4348 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) 
| [  397.528597][ T4348] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  397.529801][ T4348] Tainted: [W]=WARN
[  397.530029][ T4348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 397.530412][ T4348] 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) 
[ 397.530721][ T4348] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  397.531803][ T4348] RSP: 0018:ffffc90007607080 EFLAGS: 00010246
[  397.532191][ T4348] RAX: 0000000000000000 RBX: ffff88800e50a000 RCX: 0000000000000001
[  397.532643][ T4348] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  397.533096][ T4348] RBP: ffffc90007607168 R08: 0000000000000000 R09: 0000000000000000
[  397.533553][ T4348] R10: ffffc90007607198 R11: ffffffffb318d1e0 R12: 1ffff92000ec0e14
[  397.534001][ T4348] R13: 00000000000005dc R14: ffffc90007607198 R15: ffff88800e50af48
[  397.534459][ T4348] FS:  00007fbeacfeb800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  397.535000][ T4348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  397.535385][ T4348] CR2: 00007fbead1d6ba0 CR3: 0000000016593003 CR4: 0000000000772ef0
[  397.535837][ T4348] PKRU: 55555554
[  397.536060][ T4348] Call Trace:
[  397.536291][ T4348]  <TASK>
[ 397.536448][ T4348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 397.536747][ T4348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 397.537059][ T4348] netif_set_mtu (net/core/dev.c:9652) 
[ 397.537369][ T4348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 397.537688][ T4348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 397.537915][ T4348] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 397.538229][ T4348] br_add_if (net/bridge/br_if.c:697) 
[ 397.538469][ T4348] do_set_master (net/core/rtnetlink.c:2948) 
[ 397.538768][ T4348] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 397.539070][ T4348] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 397.539387][ T4348] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 397.539690][ T4348] ? __dev_get_by_name (net/core/dev.c:865) 
[ 397.539990][ T4348] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 397.540298][ T4348] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 397.540604][ T4348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 397.540903][ T4348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 397.541217][ T4348] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 397.541529][ T4348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 397.541842][ T4348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 397.542153][ T4348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 397.542459][ T4348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 397.542762][ T4348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 397.543061][ T4348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 397.543367][ T4348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 397.543671][ T4348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 397.543986][ T4348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 397.544292][ T4348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 397.544595][ T4348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 397.544914][ T4348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 397.545226][ T4348] ? 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) 
[ 397.545529][ T4348] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 397.545835][ T4348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 397.546142][ T4348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 397.546456][ T4348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 397.546760][ T4348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 397.547062][ T4348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 397.547376][ T4348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 397.547679][ T4348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 397.547977][ T4348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 397.548374][ T4348] ___sys_sendmsg (net/socket.c:2670) 
[ 397.548677][ T4348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 397.548984][ T4348] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 397.549295][ T4348] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 397.549525][ T4348] ? __handle_mm_fault (mm/memory.c:6212) 
[ 397.549825][ T4348] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 397.550122][ T4348] ? mt_find (lib/maple_tree.c:6938) 
[ 397.550380][ T4348] __sys_sendmsg (net/socket.c:2700) 
[ 397.550680][ T4348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 397.550977][ T4348] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 397.551292][ T4348] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 397.551594][ T4348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 397.551897][ T4348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 397.552210][ T4348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  397.552587][ T4348] RIP: 0033:0x7fbead1b81e7
[ 397.552896][ T4348] 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)
[  397.553974][ T4348] RSP: 002b:00007ffdbe478db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  397.554432][ T4348] RAX: ffffffffffffffda RBX: 00007ffdbe4794f0 RCX: 00007fbead1b81e7
[  397.554890][ T4348] RDX: 0000000000000000 RSI: 00007ffdbe478e20 RDI: 0000000000000005
[  397.555351][ T4348] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  397.555801][ T4348] R10: 00007fbead246ac0 R11: 0000000000000246 R12: 00007ffdbe479528
[  397.556257][ T4348] R13: 00000000686e26ee R14: 0000000000499600 R15: 00007ffdbe478f10
| [  401.457303][ T4378] ------------[ cut here ]------------
| [ 401.457631][ T4378] WARNING: CPU: 2 PID: 4378 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) 
| [  401.458254][ T4378] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  401.459451][ T4378] Tainted: [W]=WARN
[  401.459702][ T4378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 401.460092][ T4378] 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) 
[ 401.460431][ T4378] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  401.461536][ T4378] RSP: 0018:ffffc90007187080 EFLAGS: 00010246
[  401.461935][ T4378] RAX: 0000000000000000 RBX: ffff88800e91a000 RCX: 0000000000000001
[  401.462415][ T4378] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  401.462877][ T4378] RBP: ffffc90007187168 R08: 0000000000000000 R09: 0000000000000000
[  401.463361][ T4378] R10: ffffc90007187198 R11: ffffffffb318d1e0 R12: 1ffff92000e30e14
[  401.463842][ T4378] R13: 00000000000005dc R14: ffffc90007187198 R15: ffff88800e91af48
[  401.464313][ T4378] FS:  00007f892b2eb800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  401.464859][ T4378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  401.465271][ T4378] CR2: 00007f892b4d6ba0 CR3: 000000000e6ed006 CR4: 0000000000772ef0
[  401.465735][ T4378] PKRU: 55555554
[  401.465973][ T4378] Call Trace:
[  401.466230][ T4378]  <TASK>
[ 401.466404][ T4378] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 401.466724][ T4378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.467052][ T4378] netif_set_mtu (net/core/dev.c:9652) 
[ 401.467384][ T4378] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 401.467720][ T4378] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 401.467959][ T4378] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 401.468287][ T4378] br_add_if (net/bridge/br_if.c:697) 
[ 401.468539][ T4378] do_set_master (net/core/rtnetlink.c:2948) 
[ 401.468849][ T4378] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 401.469173][ T4378] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 401.469502][ T4378] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 401.469811][ T4378] ? __dev_get_by_name (net/core/dev.c:865) 
[ 401.470127][ T4378] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 401.470450][ T4378] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 401.470767][ T4378] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 401.471076][ T4378] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 401.471416][ T4378] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 401.471742][ T4378] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 401.472060][ T4378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 401.472397][ T4378] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 401.472707][ T4378] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 401.473025][ T4378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 401.473344][ T4378] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 401.473666][ T4378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 401.473990][ T4378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.474319][ T4378] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 401.474634][ T4378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 401.474958][ T4378] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 401.475303][ T4378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 401.475618][ T4378] ? 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) 
[ 401.475932][ T4378] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 401.476265][ T4378] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 401.476575][ T4378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.476892][ T4378] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 401.477218][ T4378] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 401.477530][ T4378] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 401.477849][ T4378] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 401.478163][ T4378] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 401.478490][ T4378] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 401.478889][ T4378] ___sys_sendmsg (net/socket.c:2670) 
[ 401.479226][ T4378] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 401.479547][ T4378] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 401.479863][ T4378] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 401.480171][ T4378] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 401.480497][ T4378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 401.480822][ T4378] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 401.481140][ T4378] __sys_sendmsg (net/socket.c:2700) 
[ 401.481467][ T4378] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 401.481795][ T4378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 401.482108][ T4378] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 401.482452][ T4378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  401.482839][ T4378] RIP: 0033:0x7f892b4b81e7
[ 401.483163][ T4378] 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)
[  401.484272][ T4378] RSP: 002b:00007fff1e54ad78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  401.484739][ T4378] RAX: ffffffffffffffda RBX: 00007fff1e54b4b0 RCX: 00007f892b4b81e7
[  401.485217][ T4378] RDX: 0000000000000000 RSI: 00007fff1e54ade0 RDI: 0000000000000005
[  401.485685][ T4378] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  401.486143][ T4378] R10: 00007f892b546ac0 R11: 0000000000000246 R12: 00007fff1e54b4e8
[  401.486613][ T4378] R13: 00000000686e26f1 R14: 0000000000499600 R15: 00007fff1e54aed0
| [  420.053915][ T4551] ------------[ cut here ]------------
| [ 420.054271][ T4551] WARNING: CPU: 2 PID: 4551 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  420.054882][ T4551] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  420.056094][ T4551] Tainted: [W]=WARN
[  420.056354][ T4551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 420.056751][ T4551] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 420.057075][ T4551] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  420.058200][ T4551] RSP: 0018:ffffc90007d17080 EFLAGS: 00010246
[  420.058596][ T4551] RAX: 0000000000000000 RBX: ffff888016722000 RCX: 0000000000000001
[  420.059059][ T4551] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  420.060225][ T4551] RBP: ffffc90007d17168 R08: 0000000000000000 R09: 0000000000000000
[  420.060691][ T4551] R10: ffffc90007d17198 R11: ffffffffb318d1e0 R12: 1ffff92000fa2e14
[  420.061152][ T4551] R13: 00000000000005dc R14: ffffc90007d17198 R15: ffff888016722f48
[  420.061622][ T4551] FS:  00007ff6f4ae3800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  420.062167][ T4551] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  420.062580][ T4551] CR2: 000000000043d940 CR3: 00000000131c9006 CR4: 0000000000772ef0
[  420.063046][ T4551] PKRU: 55555554
[  420.063295][ T4551] Call Trace:
[  420.063532][ T4551]  <TASK>
[ 420.063701][ T4551] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 420.064016][ T4551] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 420.064361][ T4551] netif_set_mtu (net/core/dev.c:9652) 
[ 420.064677][ T4551] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 420.065015][ T4551] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 420.065269][ T4551] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 420.065590][ T4551] br_add_if (net/bridge/br_if.c:697) 
[ 420.065841][ T4551] do_set_master (net/core/rtnetlink.c:2948) 
[ 420.066154][ T4551] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 420.066497][ T4551] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 420.066826][ T4551] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 420.067136][ T4551] ? __dev_get_by_name (net/core/dev.c:865) 
[ 420.067463][ T4551] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 420.067777][ T4551] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 420.068092][ T4551] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 420.068414][ T4551] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 420.068733][ T4551] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 420.069065][ T4551] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 420.069421][ T4551] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 420.069754][ T4551] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 420.070063][ T4551] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 420.070401][ T4551] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 420.070720][ T4551] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 420.071035][ T4551] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 420.071370][ T4551] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 420.071692][ T4551] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 420.072005][ T4551] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 420.072331][ T4551] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 420.072655][ T4551] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 420.072970][ T4551] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 420.073293][ T4551] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 420.073618][ T4551] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 420.073930][ T4551] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 420.074271][ T4551] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 420.074589][ T4551] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 420.074911][ T4551] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 420.075243][ T4551] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 420.075561][ T4551] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 420.075874][ T4551] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 420.076290][ T4551] ___sys_sendmsg (net/socket.c:2670) 
[ 420.076606][ T4551] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 420.076921][ T4551] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 420.077247][ T4551] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 420.077561][ T4551] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 420.077877][ T4551] ? __handle_mm_fault (mm/memory.c:6212) 
[ 420.078219][ T4551] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 420.078532][ T4551] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 420.078868][ T4551] __sys_sendmsg (net/socket.c:2700) 
[ 420.079200][ T4551] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 420.079516][ T4551] ? 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) 
[ 420.079837][ T4551] ? 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) 
[ 420.080153][ T4551] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 420.080487][ T4551] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 420.080804][ T4551] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  420.081197][ T4551] RIP: 0033:0x7ff6f4cb01e7
[ 420.081524][ T4551] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  420.082634][ T4551] RSP: 002b:00007fff81741738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  420.083108][ T4551] RAX: ffffffffffffffda RBX: 00007fff81741e70 RCX: 00007ff6f4cb01e7
[  420.083588][ T4551] RDX: 0000000000000000 RSI: 00007fff817417a0 RDI: 0000000000000005
[  420.084052][ T4551] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  420.084525][ T4551] R10: 00007ff6f4d3eac0 R11: 0000000000000246 R12: 00007fff81741ea8
[  420.084996][ T4551] R13: 00000000686e2704 R14: 0000000000499600 R15: 00007fff81741890
| [  423.951213][ T4581] ------------[ cut here ]------------
| [ 423.951516][ T4581] WARNING: CPU: 3 PID: 4581 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) 
| [  423.952112][ T4581] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  423.954545][ T4581] Tainted: [W]=WARN
[  423.954778][ T4581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 423.955169][ T4581] 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) 
[ 423.955487][ T4581] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  423.956579][ T4581] RSP: 0018:ffffc90007e87080 EFLAGS: 00010246
[  423.956963][ T4581] RAX: 0000000000000000 RBX: ffff88800ec52000 RCX: 0000000000000001
[  423.957420][ T4581] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  423.957875][ T4581] RBP: ffffc90007e87168 R08: 0000000000000000 R09: 0000000000000000
[  423.958335][ T4581] R10: ffffc90007e87198 R11: ffffffffb318d1e0 R12: 1ffff92000fd0e14
[  423.958785][ T4581] R13: 00000000000005dc R14: ffffc90007e87198 R15: ffff88800ec52f48
[  423.959240][ T4581] FS:  00007fd33a7c8800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  423.959769][ T4581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  423.960150][ T4581] CR2: 000000000043d940 CR3: 000000000ec8b002 CR4: 0000000000772ef0
[  423.960611][ T4581] PKRU: 55555554
[  423.960840][ T4581] Call Trace:
[  423.961063][ T4581]  <TASK>
[ 423.961226][ T4581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 423.961526][ T4581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 423.961840][ T4581] netif_set_mtu (net/core/dev.c:9652) 
[ 423.962139][ T4581] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 423.962467][ T4581] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 423.962699][ T4581] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 423.963004][ T4581] br_add_if (net/bridge/br_if.c:697) 
[ 423.963249][ T4581] do_set_master (net/core/rtnetlink.c:2948) 
[ 423.963550][ T4581] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 423.963855][ T4581] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 423.964159][ T4581] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 423.964473][ T4581] ? __dev_get_by_name (net/core/dev.c:865) 
[ 423.964779][ T4581] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 423.965085][ T4581] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 423.965398][ T4581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 423.965699][ T4581] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 423.966005][ T4581] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 423.966325][ T4581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 423.966632][ T4581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 423.966950][ T4581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 423.967256][ T4581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 423.967559][ T4581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 423.967861][ T4581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 423.968161][ T4581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 423.968475][ T4581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 423.968783][ T4581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 423.969093][ T4581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 423.969403][ T4581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 423.969715][ T4581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 423.970021][ T4581] ? 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) 
[ 423.970331][ T4581] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 423.970636][ T4581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 423.970937][ T4581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 423.971463][ T4581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 423.972001][ T4581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 423.972487][ T4581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 423.972799][ T4581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 423.973103][ T4581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 423.973410][ T4581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 423.973798][ T4581] ___sys_sendmsg (net/socket.c:2670) 
[ 423.974110][ T4581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 423.974422][ T4581] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 423.974729][ T4581] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 423.975040][ T4581] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 423.975354][ T4581] ? __handle_mm_fault (mm/memory.c:6212) 
[ 423.975656][ T4581] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 423.975955][ T4581] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 423.976288][ T4581] __sys_sendmsg (net/socket.c:2700) 
[ 423.976590][ T4581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 423.976892][ T4581] ? 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) 
[ 423.977214][ T4581] ? 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) 
[ 423.977517][ T4581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 423.977821][ T4581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 423.978126][ T4581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  423.978510][ T4581] RIP: 0033:0x7fd33a9951e7
[ 423.978823][ T4581] 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)
[  423.979901][ T4581] RSP: 002b:00007ffc812b4498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  423.980370][ T4581] RAX: ffffffffffffffda RBX: 00007ffc812b4bd0 RCX: 00007fd33a9951e7
[  423.980820][ T4581] RDX: 0000000000000000 RSI: 00007ffc812b4500 RDI: 0000000000000005
[  423.981280][ T4581] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  423.981726][ T4581] R10: 00007fd33aa23ac0 R11: 0000000000000246 R12: 00007ffc812b4c08
[  423.982177][ T4581] R13: 00000000686e2708 R14: 0000000000499600 R15: 00007ffc812b45f0
| [  430.548695][ T4647] ------------[ cut here ]------------
| [ 430.549033][ T4647] WARNING: CPU: 2 PID: 4647 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) 
| [  430.549665][ T4647] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  430.551884][ T4647] Tainted: [W]=WARN
[  430.552123][ T4647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 430.552538][ T4647] 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) 
[ 430.552861][ T4647] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  430.553974][ T4647] RSP: 0018:ffffc900081f7080 EFLAGS: 00010246
[  430.554401][ T4647] RAX: 0000000000000000 RBX: ffff8880166b2000 RCX: 0000000000000001
[  430.554863][ T4647] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  430.555354][ T4647] RBP: ffffc900081f7168 R08: 0000000000000000 R09: 0000000000000000
[  430.555813][ T4647] R10: ffffc900081f7198 R11: ffffffffb318d1e0 R12: 1ffff9200103ee14
[  430.556283][ T4647] R13: 00000000000005dc R14: ffffc900081f7198 R15: ffff8880166b2f48
[  430.556746][ T4647] FS:  00007fac38d98800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  430.557315][ T4647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.557706][ T4647] CR2: 00007fac38f83ba0 CR3: 0000000017026002 CR4: 0000000000772ef0
[  430.558168][ T4647] PKRU: 55555554
[  430.558415][ T4647] Call Trace:
[  430.558656][ T4647]  <TASK>
[ 430.558823][ T4647] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 430.559153][ T4647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 430.559492][ T4647] netif_set_mtu (net/core/dev.c:9652) 
[ 430.559806][ T4647] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 430.560132][ T4647] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 430.560383][ T4647] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 430.560699][ T4647] br_add_if (net/bridge/br_if.c:697) 
[ 430.560951][ T4647] do_set_master (net/core/rtnetlink.c:2948) 
[ 430.561293][ T4647] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 430.561618][ T4647] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 430.561933][ T4647] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 430.562254][ T4647] ? __dev_get_by_name (net/core/dev.c:865) 
[ 430.562565][ T4647] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 430.562874][ T4647] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 430.563204][ T4647] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 430.563526][ T4647] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 430.563842][ T4647] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 430.564162][ T4647] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 430.564490][ T4647] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 430.564813][ T4647] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 430.565131][ T4647] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 430.565479][ T4647] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 430.565795][ T4647] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 430.566110][ T4647] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 430.566438][ T4647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 430.566757][ T4647] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 430.567073][ T4647] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 430.567400][ T4647] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 430.567735][ T4647] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 430.568053][ T4647] ? 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) 
[ 430.568376][ T4647] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 430.568695][ T4647] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 430.569005][ T4647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 430.569344][ T4647] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 430.569673][ T4647] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 430.569988][ T4647] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 430.570322][ T4647] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 430.570638][ T4647] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 430.570949][ T4647] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 430.571358][ T4647] ___sys_sendmsg (net/socket.c:2670) 
[ 430.571672][ T4647] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 430.572004][ T4647] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 430.572330][ T4647] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 430.572647][ T4647] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 430.572963][ T4647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 430.573303][ T4647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 430.573623][ T4647] __sys_sendmsg (net/socket.c:2700) 
[ 430.573952][ T4647] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 430.574288][ T4647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 430.574605][ T4647] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 430.574925][ T4647] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  430.575326][ T4647] RIP: 0033:0x7fac38f651e7
[ 430.575645][ T4647] 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)
[  430.576754][ T4647] RSP: 002b:00007fffda9d9e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.577239][ T4647] RAX: ffffffffffffffda RBX: 00007fffda9da570 RCX: 00007fac38f651e7
[  430.577701][ T4647] RDX: 0000000000000000 RSI: 00007fffda9d9ea0 RDI: 0000000000000005
[  430.578173][ T4647] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  430.578642][ T4647] R10: 00007fac38ff3ac0 R11: 0000000000000246 R12: 00007fffda9da5a8
[  430.579104][ T4647] R13: 00000000686e270f R14: 0000000000499600 R15: 00007fffda9d9f90
| [  434.445987][ T4677] ------------[ cut here ]------------
| [ 434.446316][ T4677] WARNING: CPU: 0 PID: 4677 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) 
| [  434.446920][ T4677] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  434.448084][ T4677] Tainted: [W]=WARN
[  434.448336][ T4677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 434.448729][ T4677] 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) 
[ 434.449043][ T4677] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  434.450139][ T4677] RSP: 0018:ffffc90008377080 EFLAGS: 00010246
[  434.450583][ T4677] RAX: 0000000000000000 RBX: ffff8880130b2000 RCX: 0000000000000001
[  434.451037][ T4677] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  434.451501][ T4677] RBP: ffffc90008377168 R08: 0000000000000000 R09: 0000000000000000
[  434.451954][ T4677] R10: ffffc90008377198 R11: ffffffffb318d1e0 R12: 1ffff9200106ee14
[  434.452410][ T4677] R13: 00000000000005dc R14: ffffc90008377198 R15: ffff8880130b2f48
[  434.452862][ T4677] FS:  00007fd879146800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  434.453402][ T4677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  434.453780][ T4677] CR2: 00007fd879331ba0 CR3: 0000000013827004 CR4: 0000000000772ef0
[  434.454241][ T4677] PKRU: 55555554
[  434.454465][ T4677] Call Trace:
[  434.454689][ T4677]  <TASK>
[ 434.454849][ T4677] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 434.455159][ T4677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 434.455482][ T4677] netif_set_mtu (net/core/dev.c:9652) 
[ 434.455787][ T4677] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 434.456107][ T4677] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 434.456344][ T4677] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 434.456651][ T4677] br_add_if (net/bridge/br_if.c:697) 
[ 434.456892][ T4677] do_set_master (net/core/rtnetlink.c:2948) 
[ 434.457206][ T4677] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 434.457511][ T4677] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 434.457820][ T4677] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 434.458122][ T4677] ? __dev_get_by_name (net/core/dev.c:865) 
[ 434.458430][ T4677] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 434.458733][ T4677] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 434.459040][ T4677] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 434.459346][ T4677] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 434.459661][ T4677] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 434.459972][ T4677] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 434.460296][ T4677] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 434.460609][ T4677] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 434.460907][ T4677] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 434.461218][ T4677] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 434.461518][ T4677] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 434.461819][ T4677] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 434.462127][ T4677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 434.462445][ T4677] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 434.462747][ T4677] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 434.463054][ T4677] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 434.463376][ T4677] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 434.463679][ T4677] ? 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) 
[ 434.463984][ T4677] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 434.464296][ T4677] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 434.464608][ T4677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 434.464914][ T4677] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 434.465242][ T4677] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 434.465548][ T4677] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 434.465858][ T4677] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 434.466162][ T4677] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 434.466471][ T4677] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 434.466862][ T4677] ___sys_sendmsg (net/socket.c:2670) 
[ 434.467169][ T4677] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 434.467488][ T4677] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 434.467805][ T4677] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 434.468106][ T4677] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 434.468422][ T4677] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 434.468735][ T4677] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 434.469041][ T4677] __sys_sendmsg (net/socket.c:2700) 
[ 434.469357][ T4677] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 434.469676][ T4677] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 434.469980][ T4677] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 434.470292][ T4677] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  434.470666][ T4677] RIP: 0033:0x7fd8793131e7
[ 434.470975][ T4677] 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)
[  434.472069][ T4677] RSP: 002b:00007ffdf8220048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  434.472545][ T4677] RAX: ffffffffffffffda RBX: 00007ffdf8220780 RCX: 00007fd8793131e7
[  434.472998][ T4677] RDX: 0000000000000000 RSI: 00007ffdf82200b0 RDI: 0000000000000005
[  434.473470][ T4677] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  434.473925][ T4677] R10: 00007fd8793a1ac0 R11: 0000000000000246 R12: 00007ffdf82207b8
[  434.474385][ T4677] R13: 00000000686e2712 R14: 0000000000499600 R15: 00007ffdf82201a0
| [  456.110457][ T4914] ------------[ cut here ]------------
| [ 456.110763][ T4914] WARNING: CPU: 3 PID: 4914 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) 
| [  456.111368][ T4914] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  456.112550][ T4914] Tainted: [W]=WARN
[  456.112778][ T4914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 456.113154][ T4914] 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) 
[ 456.113473][ T4914] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  456.114566][ T4914] RSP: 0018:ffffc900089a7080 EFLAGS: 00010246
[  456.114946][ T4914] RAX: 0000000000000000 RBX: ffff88800c6f2000 RCX: 0000000000000001
[  456.115413][ T4914] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  456.115871][ T4914] RBP: ffffc900089a7168 R08: 0000000000000000 R09: 0000000000000000
[  456.116329][ T4914] R10: ffffc900089a7198 R11: ffffffffb318d1e0 R12: 1ffff92001134e14
[  456.116777][ T4914] R13: 00000000000005dc R14: ffffc900089a7198 R15: ffff88800c6f2f48
[  456.117246][ T4914] FS:  00007fdc286f9800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  456.117776][ T4914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  456.118154][ T4914] CR2: 000000000043d940 CR3: 0000000016e0b002 CR4: 0000000000772ef0
[  456.118761][ T4914] PKRU: 55555554
[  456.118989][ T4914] Call Trace:
[  456.119355][ T4914]  <TASK>
[ 456.119512][ T4914] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 456.119813][ T4914] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.120130][ T4914] netif_set_mtu (net/core/dev.c:9652) 
[ 456.120571][ T4914] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 456.120887][ T4914] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 456.121115][ T4914] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 456.121589][ T4914] br_add_if (net/bridge/br_if.c:697) 
[ 456.121831][ T4914] do_set_master (net/core/rtnetlink.c:2948) 
[ 456.122129][ T4914] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 456.122569][ T4914] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 456.122878][ T4914] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 456.123175][ T4914] ? __dev_get_by_name (net/core/dev.c:865) 
[ 456.123612][ T4914] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 456.123912][ T4914] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 456.124263][ T4914] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 456.124559][ T4914] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 456.124862][ T4914] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 456.125210][ T4914] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 456.125518][ T4914] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 456.125830][ T4914] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 456.126128][ T4914] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 456.126440][ T4914] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 456.126741][ T4914] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 456.127042][ T4914] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 456.127356][ T4914] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.127666][ T4914] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 456.127966][ T4914] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 456.128275][ T4914] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 456.128594][ T4914] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 456.128891][ T4914] ? 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) 
[ 456.129214][ T4914] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 456.129524][ T4914] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 456.129828][ T4914] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.130136][ T4914] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 456.130449][ T4914] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 456.130749][ T4914] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 456.131057][ T4914] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 456.131365][ T4914] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 456.131665][ T4914] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 456.132056][ T4914] ___sys_sendmsg (net/socket.c:2670) 
[ 456.132367][ T4914] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 456.132669][ T4914] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 456.132972][ T4914] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 456.133292][ T4914] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 456.133605][ T4914] ? __handle_mm_fault (mm/memory.c:6212) 
[ 456.133904][ T4914] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 456.134215][ T4914] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 456.134565][ T4914] __sys_sendmsg (net/socket.c:2700) 
[ 456.134867][ T4914] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 456.135202][ T4914] ? 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) 
[ 456.135511][ T4914] ? 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) 
[ 456.135813][ T4914] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.136118][ T4914] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 456.136435][ T4914] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  456.136808][ T4914] RIP: 0033:0x7fdc288c61e7
[ 456.137125][ T4914] 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)
[  456.138232][ T4914] RSP: 002b:00007fff2aaddab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  456.138704][ T4914] RAX: ffffffffffffffda RBX: 00007fff2aade1f0 RCX: 00007fdc288c61e7
[  456.139160][ T4914] RDX: 0000000000000000 RSI: 00007fff2aaddb20 RDI: 0000000000000005
[  456.139625][ T4914] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  456.140085][ T4914] R10: 00007fdc28954ac0 R11: 0000000000000246 R12: 00007fff2aade228
[  456.140554][ T4914] R13: 00000000686e2728 R14: 0000000000499600 R15: 00007fff2aaddc10
| [  460.034945][ T4944] ------------[ cut here ]------------
| [ 460.036103][ T4944] WARNING: CPU: 2 PID: 4944 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) 
| [  460.036738][ T4944] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  460.037939][ T4944] Tainted: [W]=WARN
[  460.038206][ T4944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 460.038602][ T4944] 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) 
[ 460.038934][ T4944] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  460.040027][ T4944] RSP: 0018:ffffc90008b67080 EFLAGS: 00010246
[  460.040429][ T4944] RAX: 0000000000000000 RBX: ffff8880166b2000 RCX: 0000000000000001
[  460.040897][ T4944] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  460.041366][ T4944] RBP: ffffc90008b67168 R08: 0000000000000000 R09: 0000000000000000
[  460.041826][ T4944] R10: ffffc90008b67198 R11: ffffffffb318d1e0 R12: 1ffff9200116ce14
[  460.042307][ T4944] R13: 00000000000005dc R14: ffffc90008b67198 R15: ffff8880166b2f48
[  460.042782][ T4944] FS:  00007f97e3dba800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  460.043332][ T4944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  460.043729][ T4944] CR2: 000000000043d940 CR3: 00000000171ea001 CR4: 0000000000772ef0
[  460.044203][ T4944] PKRU: 55555554
[  460.044440][ T4944] Call Trace:
[  460.044676][ T4944]  <TASK>
[ 460.044844][ T4944] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 460.045173][ T4944] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 460.045512][ T4944] netif_set_mtu (net/core/dev.c:9652) 
[ 460.045825][ T4944] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 460.046153][ T4944] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 460.046415][ T4944] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 460.046744][ T4944] br_add_if (net/bridge/br_if.c:697) 
[ 460.046994][ T4944] do_set_master (net/core/rtnetlink.c:2948) 
[ 460.047317][ T4944] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 460.047636][ T4944] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 460.047953][ T4944] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 460.048273][ T4944] ? __dev_get_by_name (net/core/dev.c:865) 
[ 460.048586][ T4944] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 460.048898][ T4944] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 460.049226][ T4944] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 460.049536][ T4944] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 460.049861][ T4944] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 460.050218][ T4944] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 460.050550][ T4944] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 460.050875][ T4944] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 460.051198][ T4944] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 460.051513][ T4944] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 460.051826][ T4944] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 460.052141][ T4944] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 460.052476][ T4944] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 460.052794][ T4944] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 460.053105][ T4944] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 460.053431][ T4944] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 460.053756][ T4944] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 460.054067][ T4944] ? 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) 
[ 460.054394][ T4944] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 460.054712][ T4944] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 460.055033][ T4944] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 460.055369][ T4944] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 460.055684][ T4944] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 460.055999][ T4944] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 460.056330][ T4944] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 460.056646][ T4944] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 460.056958][ T4944] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 460.057369][ T4944] ___sys_sendmsg (net/socket.c:2670) 
[ 460.057683][ T4944] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 460.057997][ T4944] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 460.058323][ T4944] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 460.058637][ T4944] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 460.058956][ T4944] ? __handle_mm_fault (mm/memory.c:6212) 
[ 460.059281][ T4944] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 460.059590][ T4944] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 460.059923][ T4944] __sys_sendmsg (net/socket.c:2700) 
[ 460.060257][ T4944] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 460.060578][ T4944] ? 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) 
[ 460.060898][ T4944] ? 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) 
[ 460.061240][ T4944] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 460.061559][ T4944] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 460.061874][ T4944] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  460.062268][ T4944] RIP: 0033:0x7f97e3f871e7
[ 460.062594][ T4944] 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)
[  460.063687][ T4944] RSP: 002b:00007ffc8ca4e888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  460.064149][ T4944] RAX: ffffffffffffffda RBX: 00007ffc8ca4efc0 RCX: 00007f97e3f871e7
[  460.064630][ T4944] RDX: 0000000000000000 RSI: 00007ffc8ca4e8f0 RDI: 0000000000000005
[  460.065111][ T4944] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  460.065591][ T4944] R10: 00007f97e4015ac0 R11: 0000000000000246 R12: 00007ffc8ca4eff8
[  460.066055][ T4944] R13: 00000000686e272c R14: 0000000000499600 R15: 00007ffc8ca4e9e0
| [  466.820718][ T5010] ------------[ cut here ]------------
| [ 466.821056][ T5010] WARNING: CPU: 2 PID: 5010 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) 
| [  466.821677][ T5010] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  466.822899][ T5010] Tainted: [W]=WARN
[  466.823145][ T5010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 466.823564][ T5010] 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) 
[ 466.823896][ T5010] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  466.824998][ T5010] RSP: 0018:ffffc90008dd7080 EFLAGS: 00010246
[  466.825407][ T5010] RAX: 0000000000000000 RBX: ffff88800e98a000 RCX: 0000000000000001
[  466.825872][ T5010] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  466.826361][ T5010] RBP: ffffc90008dd7168 R08: 0000000000000000 R09: 0000000000000000
[  466.826831][ T5010] R10: ffffc90008dd7198 R11: ffffffffb318d1e0 R12: 1ffff920011bae14
[  466.827306][ T5010] R13: 00000000000005dc R14: ffffc90008dd7198 R15: ffff88800e98af48
[  466.827774][ T5010] FS:  00007f61a060a800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  466.828330][ T5010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.828721][ T5010] CR2: 00007f61a07f5ba0 CR3: 000000001704f002 CR4: 0000000000772ef0
[  466.829195][ T5010] PKRU: 55555554
[  466.829434][ T5010] Call Trace:
[  466.829671][ T5010]  <TASK>
[ 466.829840][ T5010] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 466.830163][ T5010] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.830509][ T5010] netif_set_mtu (net/core/dev.c:9652) 
[ 466.830832][ T5010] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 466.831161][ T5010] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 466.831415][ T5010] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 466.831731][ T5010] br_add_if (net/bridge/br_if.c:697) 
[ 466.831983][ T5010] do_set_master (net/core/rtnetlink.c:2948) 
[ 466.832303][ T5010] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 466.832625][ T5010] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 466.832943][ T5010] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 466.833269][ T5010] ? __dev_get_by_name (net/core/dev.c:865) 
[ 466.833586][ T5010] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 466.833897][ T5010] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 466.834235][ T5010] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 466.834554][ T5010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 466.834880][ T5010] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 466.835225][ T5010] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 466.835547][ T5010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.835874][ T5010] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 466.836199][ T5010] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 466.836518][ T5010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 466.836833][ T5010] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 466.837157][ T5010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.837496][ T5010] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.837816][ T5010] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 466.838132][ T5010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 466.838469][ T5010] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 466.838803][ T5010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 466.839115][ T5010] ? 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) 
[ 466.839443][ T5010] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 466.839769][ T5010] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 466.840084][ T5010] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.840414][ T5010] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 466.840734][ T5010] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 466.841048][ T5010] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 466.841380][ T5010] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 466.841696][ T5010] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 466.842016][ T5010] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 466.842438][ T5010] ___sys_sendmsg (net/socket.c:2670) 
[ 466.842759][ T5010] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 466.843077][ T5010] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 466.843405][ T5010] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 466.843717][ T5010] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 466.844035][ T5010] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 466.844377][ T5010] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 466.844699][ T5010] __sys_sendmsg (net/socket.c:2700) 
[ 466.845024][ T5010] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 466.845364][ T5010] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 466.845681][ T5010] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 466.845998][ T5010] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  466.846407][ T5010] RIP: 0033:0x7f61a07d71e7
[ 466.846741][ T5010] 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)
[  466.847842][ T5010] RSP: 002b:00007ffe36861ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.848328][ T5010] RAX: ffffffffffffffda RBX: 00007ffe36862730 RCX: 00007f61a07d71e7
[  466.848790][ T5010] RDX: 0000000000000000 RSI: 00007ffe36862060 RDI: 0000000000000005
[  466.849272][ T5010] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  466.849733][ T5010] R10: 00007f61a0865ac0 R11: 0000000000000246 R12: 00007ffe36862768
[  466.850214][ T5010] R13: 00000000686e2733 R14: 0000000000499600 R15: 00007ffe36862150
| [  470.761799][ T5040] ------------[ cut here ]------------
| [ 470.762137][ T5040] WARNING: CPU: 0 PID: 5040 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) 
| [  470.762786][ T5040] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  470.764020][ T5040] Tainted: [W]=WARN
[  470.764274][ T5040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 470.764676][ T5040] 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) 
[ 470.765012][ T5040] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  470.766188][ T5040] RSP: 0018:ffffc90008f17080 EFLAGS: 00010246
[  470.766593][ T5040] RAX: 0000000000000000 RBX: ffff8880173a2000 RCX: 0000000000000001
[  470.767070][ T5040] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  470.767553][ T5040] RBP: ffffc90008f17168 R08: 0000000000000000 R09: 0000000000000000
[  470.768034][ T5040] R10: ffffc90008f17198 R11: ffffffffb318d1e0 R12: 1ffff920011e2e14
[  470.768516][ T5040] R13: 00000000000005dc R14: ffffc90008f17198 R15: ffff8880173a2f48
[  470.768996][ T5040] FS:  00007f905a20e800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  470.769567][ T5040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  470.769974][ T5040] CR2: 00007f905a3f9ba0 CR3: 0000000016d2c005 CR4: 0000000000772ef0
[  470.770470][ T5040] PKRU: 55555554
[  470.770708][ T5040] Call Trace:
[  470.770944][ T5040]  <TASK>
[ 470.771108][ T5040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 470.771432][ T5040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.771763][ T5040] netif_set_mtu (net/core/dev.c:9652) 
[ 470.772081][ T5040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 470.772428][ T5040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 470.772668][ T5040] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 470.772988][ T5040] br_add_if (net/bridge/br_if.c:697) 
[ 470.773248][ T5040] do_set_master (net/core/rtnetlink.c:2948) 
[ 470.773563][ T5040] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 470.773882][ T5040] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 470.774222][ T5040] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 470.774545][ T5040] ? __dev_get_by_name (net/core/dev.c:865) 
[ 470.774859][ T5040] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 470.775196][ T5040] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 470.775521][ T5040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 470.775836][ T5040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 470.776164][ T5040] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 470.776503][ T5040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 470.776827][ T5040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 470.777162][ T5040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 470.777488][ T5040] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 470.777808][ T5040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 470.778125][ T5040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 470.778461][ T5040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 470.778784][ T5040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.779105][ T5040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 470.779432][ T5040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 470.779759][ T5040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 470.780087][ T5040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 470.780413][ T5040] ? 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) 
[ 470.780735][ T5040] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 470.781054][ T5040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 470.781375][ T5040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.781701][ T5040] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 470.782028][ T5040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 470.782366][ T5040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 470.782698][ T5040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 470.783015][ T5040] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 470.783336][ T5040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 470.783745][ T5040] ___sys_sendmsg (net/socket.c:2670) 
[ 470.784066][ T5040] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 470.784405][ T5040] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 470.784726][ T5040] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 470.785060][ T5040] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 470.785390][ T5040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 470.785719][ T5040] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 470.786041][ T5040] __sys_sendmsg (net/socket.c:2700) 
[ 470.786380][ T5040] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 470.786718][ T5040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 470.787038][ T5040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 470.787369][ T5040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  470.787762][ T5040] RIP: 0033:0x7f905a3db1e7
[ 470.788086][ T5040] 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)
[  470.789230][ T5040] RSP: 002b:00007fff1cc5cb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.789712][ T5040] RAX: ffffffffffffffda RBX: 00007fff1cc5d2c0 RCX: 00007f905a3db1e7
[  470.790216][ T5040] RDX: 0000000000000000 RSI: 00007fff1cc5cbf0 RDI: 0000000000000005
[  470.790693][ T5040] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  470.791174][ T5040] R10: 00007f905a469ac0 R11: 0000000000000246 R12: 00007fff1cc5d2f8
[  470.791662][ T5040] R13: 00000000686e2737 R14: 0000000000499600 R15: 00007fff1cc5cce0
| [  493.399471][ T5277] ------------[ cut here ]------------
| [ 493.399795][ T5277] WARNING: CPU: 2 PID: 5277 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) 
| [  493.401614][ T5277] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  493.402830][ T5277] Tainted: [W]=WARN
[  493.403076][ T5277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 493.403488][ T5277] 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) 
[ 493.403813][ T5277] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  493.404909][ T5277] RSP: 0018:ffffc90009377080 EFLAGS: 00010246
[  493.405335][ T5277] RAX: 0000000000000000 RBX: ffff8880173d2000 RCX: 0000000000000001
[  493.405802][ T5277] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  493.406277][ T5277] RBP: ffffc90009377168 R08: 0000000000000000 R09: 0000000000000000
[  493.406740][ T5277] R10: ffffc90009377198 R11: ffffffffb318d1e0 R12: 1ffff9200126ee14
[  493.407225][ T5277] R13: 00000000000005dc R14: ffffc90009377198 R15: ffff8880173d2f48
[  493.407697][ T5277] FS:  00007f50d9964800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  493.408246][ T5277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  493.408636][ T5277] CR2: 00007f50d9bbfb78 CR3: 00000000136ef003 CR4: 0000000000772ef0
[  493.409100][ T5277] PKRU: 55555554
[  493.409349][ T5277] Call Trace:
[  493.409596][ T5277]  <TASK>
[ 493.409764][ T5277] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 493.410079][ T5277] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 493.410418][ T5277] netif_set_mtu (net/core/dev.c:9652) 
[ 493.410733][ T5277] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 493.411063][ T5277] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 493.411326][ T5277] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 493.411649][ T5277] br_add_if (net/bridge/br_if.c:697) 
[ 493.411905][ T5277] do_set_master (net/core/rtnetlink.c:2948) 
[ 493.412227][ T5277] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 493.412544][ T5277] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 493.412864][ T5277] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 493.413173][ T5277] ? __dev_get_by_name (net/core/dev.c:865) 
[ 493.413497][ T5277] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 493.413809][ T5277] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 493.414129][ T5277] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 493.414453][ T5277] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 493.414773][ T5277] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 493.415113][ T5277] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 493.415455][ T5277] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 493.415781][ T5277] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 493.416093][ T5277] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 493.416419][ T5277] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 493.416741][ T5277] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 493.417054][ T5277] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 493.417383][ T5277] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 493.417702][ T5277] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 493.418016][ T5277] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 493.418342][ T5277] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 493.418667][ T5277] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 493.418985][ T5277] ? 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) 
[ 493.419321][ T5277] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 493.419640][ T5277] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 493.419951][ T5277] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 493.420282][ T5277] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 493.420597][ T5277] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 493.420911][ T5277] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 493.421241][ T5277] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 493.421562][ T5277] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 493.421873][ T5277] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 493.422282][ T5277] ___sys_sendmsg (net/socket.c:2670) 
[ 493.422600][ T5277] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 493.422913][ T5277] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 493.423251][ T5277] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 493.423572][ T5277] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 493.423888][ T5277] ? __handle_mm_fault (mm/memory.c:6212) 
[ 493.424211][ T5277] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 493.424524][ T5277] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 493.424857][ T5277] __sys_sendmsg (net/socket.c:2700) 
[ 493.425197][ T5277] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 493.425513][ T5277] ? 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) 
[ 493.425838][ T5277] ? 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) 
[ 493.426159][ T5277] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 493.426489][ T5277] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 493.426805][ T5277] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  493.427213][ T5277] RIP: 0033:0x7f50d9b311e7
[ 493.427542][ T5277] 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)
[  493.428650][ T5277] RSP: 002b:00007ffddf504718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  493.429119][ T5277] RAX: ffffffffffffffda RBX: 00007ffddf504e50 RCX: 00007f50d9b311e7
[  493.429597][ T5277] RDX: 0000000000000000 RSI: 00007ffddf504780 RDI: 0000000000000005
[  493.430072][ T5277] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  493.430546][ T5277] R10: 00007f50d9bbfac0 R11: 0000000000000246 R12: 00007ffddf504e88
[  493.431008][ T5277] R13: 00000000686e274d R14: 0000000000499600 R15: 00007ffddf504870
| [  497.355988][ T5307] ------------[ cut here ]------------
| [ 497.356335][ T5307] WARNING: CPU: 2 PID: 5307 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) 
| [  497.356942][ T5307] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  497.358131][ T5307] Tainted: [W]=WARN
[  497.358394][ T5307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 497.358787][ T5307] 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) 
[ 497.359114][ T5307] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  497.360416][ T5307] RSP: 0018:ffffc90009737080 EFLAGS: 00010246
[  497.360814][ T5307] RAX: 0000000000000000 RBX: ffff88800e98a000 RCX: 0000000000000001
[  497.361289][ T5307] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  497.361759][ T5307] RBP: ffffc90009737168 R08: 0000000000000000 R09: 0000000000000000
[  497.362256][ T5307] R10: ffffc90009737198 R11: ffffffffb318d1e0 R12: 1ffff920012e6e14
[  497.362738][ T5307] R13: 00000000000005dc R14: ffffc90009737198 R15: ffff88800e98af48
[  497.363214][ T5307] FS:  00007f9265d93800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  497.363754][ T5307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  497.364145][ T5307] CR2: 000000000043d940 CR3: 0000000004f3d003 CR4: 0000000000772ef0
[  497.364619][ T5307] PKRU: 55555554
[  497.364862][ T5307] Call Trace:
[  497.365107][ T5307]  <TASK>
[ 497.365286][ T5307] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 497.365602][ T5307] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 497.365930][ T5307] netif_set_mtu (net/core/dev.c:9652) 
[ 497.366264][ T5307] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 497.366594][ T5307] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 497.366834][ T5307] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 497.367151][ T5307] br_add_if (net/bridge/br_if.c:697) 
[ 497.367422][ T5307] do_set_master (net/core/rtnetlink.c:2948) 
[ 497.367734][ T5307] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 497.368050][ T5307] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 497.368378][ T5307] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 497.368688][ T5307] ? __dev_get_by_name (net/core/dev.c:865) 
[ 497.369001][ T5307] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 497.369321][ T5307] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 497.369647][ T5307] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 497.369956][ T5307] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 497.370295][ T5307] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 497.370622][ T5307] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 497.370942][ T5307] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 497.371285][ T5307] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 497.371599][ T5307] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 497.371913][ T5307] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 497.372243][ T5307] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 497.372561][ T5307] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 497.372877][ T5307] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 497.373206][ T5307] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 497.373522][ T5307] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 497.373836][ T5307] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 497.374159][ T5307] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 497.374497][ T5307] ? 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) 
[ 497.374813][ T5307] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 497.375142][ T5307] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 497.375466][ T5307] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 497.375784][ T5307] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 497.376099][ T5307] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 497.376423][ T5307] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 497.376750][ T5307] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 497.377066][ T5307] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 497.377387][ T5307] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 497.377787][ T5307] ___sys_sendmsg (net/socket.c:2670) 
[ 497.378100][ T5307] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 497.378434][ T5307] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 497.378751][ T5307] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 497.379067][ T5307] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 497.379397][ T5307] ? __handle_mm_fault (mm/memory.c:6212) 
[ 497.379712][ T5307] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 497.380019][ T5307] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 497.380362][ T5307] __sys_sendmsg (net/socket.c:2700) 
[ 497.380675][ T5307] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 497.380994][ T5307] ? 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) 
[ 497.381323][ T5307] ? 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) 
[ 497.381646][ T5307] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 497.381968][ T5307] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 497.382305][ T5307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  497.382689][ T5307] RIP: 0033:0x7f9265f601e7
[ 497.383013][ T5307] 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)
[  497.384114][ T5307] RSP: 002b:00007ffd34d339a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  497.384593][ T5307] RAX: ffffffffffffffda RBX: 00007ffd34d340e0 RCX: 00007f9265f601e7
[  497.385061][ T5307] RDX: 0000000000000000 RSI: 00007ffd34d33a10 RDI: 0000000000000005
[  497.385545][ T5307] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  497.386009][ T5307] R10: 00007f9265feeac0 R11: 0000000000000246 R12: 00007ffd34d34118
[  497.386496][ T5307] R13: 00000000686e2751 R14: 0000000000499600 R15: 00007ffd34d33b00
| [  504.102257][ T5372] ------------[ cut here ]------------
| [ 504.102562][ T5372] WARNING: CPU: 3 PID: 5372 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) 
| [  504.103151][ T5372] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  504.104343][ T5372] Tainted: [W]=WARN
[  504.104570][ T5372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 504.104947][ T5372] 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) 
[ 504.105275][ T5372] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  504.106361][ T5372] RSP: 0018:ffffc900099f7080 EFLAGS: 00010246
[  504.106740][ T5372] RAX: 0000000000000000 RBX: ffff88800e49a000 RCX: 0000000000000001
[  504.107200][ T5372] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  504.107652][ T5372] RBP: ffffc900099f7168 R08: 0000000000000000 R09: 0000000000000000
[  504.108108][ T5372] R10: ffffc900099f7198 R11: ffffffffb318d1e0 R12: 1ffff9200133ee14
[  504.108566][ T5372] R13: 00000000000005dc R14: ffffc900099f7198 R15: ffff88800e49af48
[  504.109017][ T5372] FS:  00007ff538b32800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  504.109564][ T5372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  504.109948][ T5372] CR2: 00007ff538d1dba0 CR3: 0000000004f5f001 CR4: 0000000000772ef0
[  504.110413][ T5372] PKRU: 55555554
[  504.110640][ T5372] Call Trace:
[  504.110863][ T5372]  <TASK>
[ 504.111019][ T5372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 504.111328][ T5372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 504.111643][ T5372] netif_set_mtu (net/core/dev.c:9652) 
[ 504.111942][ T5372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 504.112273][ T5372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 504.112504][ T5372] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 504.112811][ T5372] br_add_if (net/bridge/br_if.c:697) 
[ 504.113049][ T5372] do_set_master (net/core/rtnetlink.c:2948) 
[ 504.113356][ T5372] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 504.113662][ T5372] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 504.113965][ T5372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 504.114277][ T5372] ? __dev_get_by_name (net/core/dev.c:865) 
[ 504.114581][ T5372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 504.114881][ T5372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 504.115206][ T5372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 504.115514][ T5372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 504.115820][ T5372] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 504.116131][ T5372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 504.116446][ T5372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 504.116765][ T5372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 504.117064][ T5372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 504.117376][ T5372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 504.117680][ T5372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 504.117983][ T5372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 504.118297][ T5372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 504.118609][ T5372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 504.118910][ T5372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 504.119224][ T5372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 504.119541][ T5372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 504.119843][ T5372] ? 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) 
[ 504.120144][ T5372] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 504.120454][ T5372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 504.120754][ T5372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 504.121061][ T5372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 504.121379][ T5372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 504.121680][ T5372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 504.121989][ T5372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 504.122298][ T5372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 504.122596][ T5372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 504.122983][ T5372] ___sys_sendmsg (net/socket.c:2670) 
[ 504.123294][ T5372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 504.123605][ T5372] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 504.123910][ T5372] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 504.124215][ T5372] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 504.124521][ T5372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 504.124829][ T5372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 504.125142][ T5372] __sys_sendmsg (net/socket.c:2700) 
[ 504.125450][ T5372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 504.125771][ T5372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 504.126076][ T5372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 504.126391][ T5372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  504.126763][ T5372] RIP: 0033:0x7ff538cff1e7
[ 504.127071][ T5372] 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)
[  504.128156][ T5372] RSP: 002b:00007fff67e341a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  504.128617][ T5372] RAX: ffffffffffffffda RBX: 00007fff67e348e0 RCX: 00007ff538cff1e7
[  504.129069][ T5372] RDX: 0000000000000000 RSI: 00007fff67e34210 RDI: 0000000000000005
[  504.129528][ T5372] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  504.129982][ T5372] R10: 00007ff538d8dac0 R11: 0000000000000246 R12: 00007fff67e34918
[  504.130437][ T5372] R13: 00000000686e2758 R14: 0000000000499600 R15: 00007fff67e34300
| [  508.078297][ T5402] ------------[ cut here ]------------
| [ 508.078606][ T5402] WARNING: CPU: 0 PID: 5402 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) 
| [  508.079215][ T5402] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  508.080387][ T5402] Tainted: [W]=WARN
[  508.080616][ T5402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 508.080997][ T5402] 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) 
[ 508.082100][ T5402] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  508.083189][ T5402] RSP: 0018:ffffc90009b97080 EFLAGS: 00010246
[  508.083572][ T5402] RAX: 0000000000000000 RBX: ffff88800a372000 RCX: 0000000000000001
[  508.084024][ T5402] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  508.084490][ T5402] RBP: ffffc90009b97168 R08: 0000000000000000 R09: 0000000000000000
[  508.084941][ T5402] R10: ffffc90009b97198 R11: ffffffffb318d1e0 R12: 1ffff92001372e14
[  508.085408][ T5402] R13: 00000000000005dc R14: ffffc90009b97198 R15: ffff88800a372f48
[  508.085866][ T5402] FS:  00007f6f18ae2800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  508.086399][ T5402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  508.086779][ T5402] CR2: 00007f6f18ccdba0 CR3: 000000000d589002 CR4: 0000000000772ef0
[  508.087241][ T5402] PKRU: 55555554
[  508.087470][ T5402] Call Trace:
[  508.087701][ T5402]  <TASK>
[ 508.087860][ T5402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 508.088161][ T5402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 508.088495][ T5402] netif_set_mtu (net/core/dev.c:9652) 
[ 508.088797][ T5402] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 508.089112][ T5402] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 508.089348][ T5402] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 508.089656][ T5402] br_add_if (net/bridge/br_if.c:697) 
[ 508.089899][ T5402] do_set_master (net/core/rtnetlink.c:2948) 
[ 508.090207][ T5402] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 508.090512][ T5402] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 508.090818][ T5402] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 508.091116][ T5402] ? __dev_get_by_name (net/core/dev.c:865) 
[ 508.091427][ T5402] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 508.091729][ T5402] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 508.092035][ T5402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 508.092356][ T5402] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 508.092670][ T5402] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 508.092980][ T5402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 508.093294][ T5402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 508.093606][ T5402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 508.093906][ T5402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 508.094215][ T5402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 508.094520][ T5402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 508.094822][ T5402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 508.095132][ T5402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 508.095446][ T5402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 508.095748][ T5402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 508.096051][ T5402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 508.096382][ T5402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 508.096688][ T5402] ? 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) 
[ 508.096992][ T5402] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 508.097305][ T5402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 508.097605][ T5402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 508.097912][ T5402] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 508.098223][ T5402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 508.098528][ T5402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 508.098837][ T5402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 508.099147][ T5402] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 508.099455][ T5402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 508.099841][ T5402] ___sys_sendmsg (net/socket.c:2670) 
[ 508.100144][ T5402] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 508.100465][ T5402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 508.100769][ T5402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 508.101075][ T5402] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 508.101388][ T5402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 508.101704][ T5402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 508.102008][ T5402] __sys_sendmsg (net/socket.c:2700) 
[ 508.102321][ T5402] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 508.102636][ T5402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 508.102938][ T5402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 508.103253][ T5402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  508.103635][ T5402] RIP: 0033:0x7f6f18caf1e7
[ 508.103946][ T5402] 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)
[  508.105046][ T5402] RSP: 002b:00007ffe836ec458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  508.105511][ T5402] RAX: ffffffffffffffda RBX: 00007ffe836ecb90 RCX: 00007f6f18caf1e7
[  508.105966][ T5402] RDX: 0000000000000000 RSI: 00007ffe836ec4c0 RDI: 0000000000000005
[  508.106427][ T5402] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  508.106877][ T5402] R10: 00007f6f18d3dac0 R11: 0000000000000246 R12: 00007ffe836ecbc8
[  508.107336][ T5402] R13: 00000000686e275c R14: 0000000000499600 R15: 00007ffe836ec5b0
| [  530.174303][ T5638] ------------[ cut here ]------------
| [ 530.174624][ T5638] WARNING: CPU: 2 PID: 5638 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  530.175269][ T5638] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  530.176457][ T5638] Tainted: [W]=WARN
[  530.176701][ T5638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 530.177093][ T5638] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 530.177423][ T5638] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  530.178525][ T5638] RSP: 0018:ffffc90000257080 EFLAGS: 00010246
[  530.178918][ T5638] RAX: 0000000000000000 RBX: ffff88800ea72000 RCX: 0000000000000001
[  530.179399][ T5638] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  530.179861][ T5638] RBP: ffffc90000257168 R08: 0000000000000000 R09: 0000000000000000
[  530.180330][ T5638] R10: ffffc90000257198 R11: ffffffffb318d1e0 R12: 1ffff9200004ae14
[  530.180793][ T5638] R13: 00000000000005dc R14: ffffc90000257198 R15: ffff88800ea72f48
[  530.181263][ T5638] FS:  00007f90fd1a1800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  530.181798][ T5638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  530.182194][ T5638] CR2: 00007f90fd2a1130 CR3: 000000000d58a002 CR4: 0000000000772ef0
[  530.182663][ T5638] PKRU: 55555554
[  530.182901][ T5638] Call Trace:
[  530.183137][ T5638]  <TASK>
[ 530.183325][ T5638] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 530.183652][ T5638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 530.183974][ T5638] netif_set_mtu (net/core/dev.c:9652) 
[ 530.184297][ T5638] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 530.184625][ T5638] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 530.184870][ T5638] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 530.185205][ T5638] br_add_if (net/bridge/br_if.c:697) 
[ 530.185459][ T5638] do_set_master (net/core/rtnetlink.c:2948) 
[ 530.185768][ T5638] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 530.186082][ T5638] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 530.186410][ T5638] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 530.186718][ T5638] ? __dev_get_by_name (net/core/dev.c:865) 
[ 530.187030][ T5638] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 530.187363][ T5638] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 530.187688][ T5638] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 530.187997][ T5638] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 530.188325][ T5638] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 530.188646][ T5638] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 530.188964][ T5638] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 530.189301][ T5638] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 530.189617][ T5638] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 530.189930][ T5638] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 530.190254][ T5638] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 530.190568][ T5638] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 530.190885][ T5638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 530.191221][ T5638] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 530.191543][ T5638] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 530.191856][ T5638] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 530.192197][ T5638] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 530.192508][ T5638] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 530.192823][ T5638] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 530.193139][ T5638] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 530.193461][ T5638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 530.193780][ T5638] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 530.194097][ T5638] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 530.194471][ T5638] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 530.194795][ T5638] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 530.195118][ T5638] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 530.195453][ T5638] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 530.195852][ T5638] ___sys_sendmsg (net/socket.c:2670) 
[ 530.196167][ T5638] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 530.196492][ T5638] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 530.196813][ T5638] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 530.197122][ T5638] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 530.197447][ T5638] ? __handle_mm_fault (mm/memory.c:6212) 
[ 530.197762][ T5638] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 530.198073][ T5638] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 530.198413][ T5638] __sys_sendmsg (net/socket.c:2700) 
[ 530.198732][ T5638] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 530.199045][ T5638] ? 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) 
[ 530.199387][ T5638] ? 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) 
[ 530.199702][ T5638] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 530.200019][ T5638] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 530.200346][ T5638] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  530.200731][ T5638] RIP: 0033:0x7f90fd36e1e7
[ 530.201050][ T5638] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  530.202141][ T5638] RSP: 002b:00007ffded0bcd78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  530.202619][ T5638] RAX: ffffffffffffffda RBX: 00007ffded0bd4b0 RCX: 00007f90fd36e1e7
[  530.203085][ T5638] RDX: 0000000000000000 RSI: 00007ffded0bcde0 RDI: 0000000000000005
[  530.203564][ T5638] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  530.204026][ T5638] R10: 00007f90fd3fcac0 R11: 0000000000000246 R12: 00007ffded0bd4e8
[  530.204500][ T5638] R13: 00000000686e2772 R14: 0000000000499600 R15: 00007ffded0bced0
| [  534.083191][ T5668] ------------[ cut here ]------------
| [ 534.083529][ T5668] WARNING: CPU: 2 PID: 5668 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) 
| [  534.084136][ T5668] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  534.085377][ T5668] Tainted: [W]=WARN
[  534.085624][ T5668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 534.086021][ T5668] 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) 
[ 534.086351][ T5668] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  534.087445][ T5668] RSP: 0018:ffffc9000a267080 EFLAGS: 00010246
[  534.087837][ T5668] RAX: 0000000000000000 RBX: ffff88800e49a000 RCX: 0000000000000001
[  534.088326][ T5668] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  534.088799][ T5668] RBP: ffffc9000a267168 R08: 0000000000000000 R09: 0000000000000000
[  534.089271][ T5668] R10: ffffc9000a267198 R11: ffffffffb318d1e0 R12: 1ffff9200144ce14
[  534.089733][ T5668] R13: 00000000000005dc R14: ffffc9000a267198 R15: ffff88800e49af48
[  534.090208][ T5668] FS:  00007fb15bf44800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  534.090747][ T5668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  534.091135][ T5668] CR2: 00007fb15c19fb78 CR3: 000000001649b001 CR4: 0000000000772ef0
[  534.091611][ T5668] PKRU: 55555554
[  534.091851][ T5668] Call Trace:
[  534.092086][ T5668]  <TASK>
[ 534.092277][ T5668] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 534.092598][ T5668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 534.092924][ T5668] netif_set_mtu (net/core/dev.c:9652) 
[ 534.093251][ T5668] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 534.093580][ T5668] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 534.093824][ T5668] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 534.094139][ T5668] br_add_if (net/bridge/br_if.c:697) 
[ 534.094402][ T5668] do_set_master (net/core/rtnetlink.c:2948) 
[ 534.094717][ T5668] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 534.095034][ T5668] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 534.095373][ T5668] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 534.095687][ T5668] ? __dev_get_by_name (net/core/dev.c:865) 
[ 534.095998][ T5668] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 534.096321][ T5668] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 534.096645][ T5668] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 534.096962][ T5668] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 534.097291][ T5668] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 534.097615][ T5668] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 534.097933][ T5668] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 534.098287][ T5668] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 534.098599][ T5668] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 534.098912][ T5668] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 534.099234][ T5668] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 534.099556][ T5668] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 534.099872][ T5668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 534.100206][ T5668] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 534.100520][ T5668] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 534.100833][ T5668] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 534.101158][ T5668] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 534.101478][ T5668] ? 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) 
[ 534.101801][ T5668] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 534.102116][ T5668] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 534.102437][ T5668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 534.102756][ T5668] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 534.103075][ T5668] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 534.103398][ T5668] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 534.103722][ T5668] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 534.104041][ T5668] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 534.104372][ T5668] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 534.104775][ T5668] ___sys_sendmsg (net/socket.c:2670) 
[ 534.105099][ T5668] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 534.105423][ T5668] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 534.105741][ T5668] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 534.106050][ T5668] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 534.106380][ T5668] ? __handle_mm_fault (mm/memory.c:6212) 
[ 534.106691][ T5668] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 534.107002][ T5668] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 534.107342][ T5668] __sys_sendmsg (net/socket.c:2700) 
[ 534.107656][ T5668] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 534.107969][ T5668] ? 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) 
[ 534.108317][ T5668] ? 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) 
[ 534.108640][ T5668] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 534.108956][ T5668] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 534.109280][ T5668] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  534.109663][ T5668] RIP: 0033:0x7fb15c1111e7
[ 534.109987][ T5668] 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)
[  534.111083][ T5668] RSP: 002b:00007ffe3b68d6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  534.111557][ T5668] RAX: ffffffffffffffda RBX: 00007ffe3b68de10 RCX: 00007fb15c1111e7
[  534.112021][ T5668] RDX: 0000000000000000 RSI: 00007ffe3b68d740 RDI: 0000000000000005
[  534.112500][ T5668] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  534.112973][ T5668] R10: 00007fb15c19fac0 R11: 0000000000000246 R12: 00007ffe3b68de48
[  534.113446][ T5668] R13: 00000000686e2776 R14: 0000000000499600 R15: 00007ffe3b68d830
| [  540.782449][ T5733] ------------[ cut here ]------------
| [ 540.782750][ T5733] WARNING: CPU: 3 PID: 5733 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) 
| [  540.783753][ T5733] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  540.784932][ T5733] Tainted: [W]=WARN
[  540.785172][ T5733] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 540.785556][ T5733] 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) 
[ 540.785865][ T5733] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  540.786968][ T5733] RSP: 0018:ffffc9000a517080 EFLAGS: 00010246
[  540.787374][ T5733] RAX: 0000000000000000 RBX: ffff88801328a000 RCX: 0000000000000001
[  540.787826][ T5733] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  540.788286][ T5733] RBP: ffffc9000a517168 R08: 0000000000000000 R09: 0000000000000000
[  540.788740][ T5733] R10: ffffc9000a517198 R11: ffffffffb318d1e0 R12: 1ffff920014a2e14
[  540.789201][ T5733] R13: 00000000000005dc R14: ffffc9000a517198 R15: ffff88801328af48
[  540.789651][ T5733] FS:  00007faea565b800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  540.790176][ T5733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  540.790581][ T5733] CR2: 00007faea5846ba0 CR3: 00000000169bf001 CR4: 0000000000772ef0
[  540.791036][ T5733] PKRU: 55555554
[  540.791271][ T5733] Call Trace:
[  540.791495][ T5733]  <TASK>
[ 540.791651][ T5733] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 540.791953][ T5733] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.792275][ T5733] netif_set_mtu (net/core/dev.c:9652) 
[ 540.792577][ T5733] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 540.792897][ T5733] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 540.793127][ T5733] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 540.793441][ T5733] br_add_if (net/bridge/br_if.c:697) 
[ 540.793681][ T5733] do_set_master (net/core/rtnetlink.c:2948) 
[ 540.793980][ T5733] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 540.794298][ T5733] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 540.794609][ T5733] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 540.794913][ T5733] ? __dev_get_by_name (net/core/dev.c:865) 
[ 540.795228][ T5733] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 540.795530][ T5733] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 540.795835][ T5733] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 540.796132][ T5733] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 540.796445][ T5733] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 540.796757][ T5733] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 540.797064][ T5733] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 540.797390][ T5733] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 540.797691][ T5733] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 540.797993][ T5733] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 540.798309][ T5733] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 540.798613][ T5733] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 540.798917][ T5733] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.799234][ T5733] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 540.799540][ T5733] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 540.799844][ T5733] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 540.800155][ T5733] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 540.800462][ T5733] ? 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) 
[ 540.800765][ T5733] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 540.801069][ T5733] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 540.801377][ T5733] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.801697][ T5733] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 540.802002][ T5733] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 540.802320][ T5733] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 540.802639][ T5733] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 540.802942][ T5733] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 540.803247][ T5733] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 540.803636][ T5733] ___sys_sendmsg (net/socket.c:2670) 
[ 540.803942][ T5733] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 540.804256][ T5733] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 540.804559][ T5733] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 540.804858][ T5733] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 540.805175][ T5733] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.805496][ T5733] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 540.805802][ T5733] __sys_sendmsg (net/socket.c:2700) 
[ 540.806104][ T5733] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 540.806441][ T5733] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 540.806746][ T5733] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 540.807049][ T5733] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  540.807429][ T5733] RIP: 0033:0x7faea58281e7
[ 540.807740][ T5733] 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)
[  540.808824][ T5733] RSP: 002b:00007ffe1b3c67c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  540.809286][ T5733] RAX: ffffffffffffffda RBX: 00007ffe1b3c6f00 RCX: 00007faea58281e7
[  540.809735][ T5733] RDX: 0000000000000000 RSI: 00007ffe1b3c6830 RDI: 0000000000000005
[  540.810202][ T5733] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  540.810665][ T5733] R10: 00007faea58b6ac0 R11: 0000000000000246 R12: 00007ffe1b3c6f38
[  540.811116][ T5733] R13: 00000000686e277d R14: 0000000000499600 R15: 00007ffe1b3c6920
| [  544.680277][ T5763] ------------[ cut here ]------------
| [ 544.680589][ T5763] WARNING: CPU: 3 PID: 5763 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) 
| [  544.681201][ T5763] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  544.682381][ T5763] Tainted: [W]=WARN
[  544.682634][ T5763] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 544.683025][ T5763] 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) 
[ 544.683349][ T5763] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  544.684446][ T5763] RSP: 0018:ffffc9000a647080 EFLAGS: 00010246
[  544.684833][ T5763] RAX: 0000000000000000 RBX: ffff88800c43a000 RCX: 0000000000000001
[  544.685300][ T5763] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  544.685758][ T5763] RBP: ffffc9000a647168 R08: 0000000000000000 R09: 0000000000000000
[  544.686224][ T5763] R10: ffffc9000a647198 R11: ffffffffb318d1e0 R12: 1ffff920014c8e14
[  544.686681][ T5763] R13: 00000000000005dc R14: ffffc9000a647198 R15: ffff88800c43af48
[  544.687135][ T5763] FS:  00007f2b29d7c800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  544.687683][ T5763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  544.688080][ T5763] CR2: 00007f2b29f67ba0 CR3: 0000000017244005 CR4: 0000000000772ef0
[  544.688565][ T5763] PKRU: 55555554
[  544.688802][ T5763] Call Trace:
[  544.689039][ T5763]  <TASK>
[ 544.689204][ T5763] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 544.689508][ T5763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 544.689822][ T5763] netif_set_mtu (net/core/dev.c:9652) 
[ 544.690122][ T5763] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 544.690447][ T5763] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 544.690689][ T5763] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 544.691002][ T5763] br_add_if (net/bridge/br_if.c:697) 
[ 544.691255][ T5763] do_set_master (net/core/rtnetlink.c:2948) 
[ 544.691557][ T5763] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 544.691862][ T5763] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 544.692165][ T5763] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 544.692471][ T5763] ? __dev_get_by_name (net/core/dev.c:865) 
[ 544.692774][ T5763] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 544.693076][ T5763] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 544.693400][ T5763] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 544.693699][ T5763] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 544.694005][ T5763] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 544.694323][ T5763] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 544.694630][ T5763] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 544.694943][ T5763] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 544.695256][ T5763] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 544.695561][ T5763] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 544.695866][ T5763] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 544.696168][ T5763] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 544.696480][ T5763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 544.696789][ T5763] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 544.697089][ T5763] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 544.697399][ T5763] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 544.697711][ T5763] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 544.698016][ T5763] ? 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) 
[ 544.698333][ T5763] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 544.698638][ T5763] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 544.698937][ T5763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 544.699253][ T5763] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 544.699558][ T5763] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 544.699859][ T5763] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 544.700173][ T5763] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 544.700484][ T5763] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 544.700782][ T5763] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 544.701169][ T5763] ___sys_sendmsg (net/socket.c:2670) 
[ 544.701483][ T5763] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 544.701790][ T5763] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 544.702093][ T5763] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 544.702403][ T5763] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 544.702711][ T5763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 544.703020][ T5763] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 544.703333][ T5763] __sys_sendmsg (net/socket.c:2700) 
[ 544.703635][ T5763] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 544.703951][ T5763] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 544.704263][ T5763] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 544.704567][ T5763] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  544.704942][ T5763] RIP: 0033:0x7f2b29f491e7
[ 544.705268][ T5763] 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)
[  544.706349][ T5763] RSP: 002b:00007ffd1bc74298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  544.706807][ T5763] RAX: ffffffffffffffda RBX: 00007ffd1bc749d0 RCX: 00007f2b29f491e7
[  544.707265][ T5763] RDX: 0000000000000000 RSI: 00007ffd1bc74300 RDI: 0000000000000005
[  544.707718][ T5763] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  544.708169][ T5763] R10: 00007f2b29fd7ac0 R11: 0000000000000246 R12: 00007ffd1bc74a08
[  544.708627][ T5763] R13: 00000000686e2781 R14: 0000000000499600 R15: 00007ffd1bc743f0
| [  566.605673][ T6000] ------------[ cut here ]------------
| [ 566.605980][ T6000] WARNING: CPU: 0 PID: 6000 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) 
| [  566.606630][ T6000] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  566.607810][ T6000] Tainted: [W]=WARN
[  566.608041][ T6000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 566.608445][ T6000] 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) 
[ 566.608765][ T6000] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  566.609857][ T6000] RSP: 0018:ffffc9000ad27080 EFLAGS: 00010246
[  566.610248][ T6000] RAX: 0000000000000000 RBX: ffff888005072000 RCX: 0000000000000001
[  566.610715][ T6000] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  566.611189][ T6000] RBP: ffffc9000ad27168 R08: 0000000000000000 R09: 0000000000000000
[  566.611643][ T6000] R10: ffffc9000ad27198 R11: ffffffffb318d1e0 R12: 1ffff920015a4e14
[  566.612092][ T6000] R13: 00000000000005dc R14: ffffc9000ad27198 R15: ffff888005072f48
[  566.612562][ T6000] FS:  00007f7023854800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  566.613093][ T6000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  566.613485][ T6000] CR2: 00007f7023aafb78 CR3: 000000000f355002 CR4: 0000000000772ef0
[  566.613940][ T6000] PKRU: 55555554
[  566.614165][ T6000] Call Trace:
[  566.614398][ T6000]  <TASK>
[ 566.614555][ T6000] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 566.614856][ T6000] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 566.615176][ T6000] netif_set_mtu (net/core/dev.c:9652) 
[ 566.615488][ T6000] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 566.615813][ T6000] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 566.616042][ T6000] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 566.616375][ T6000] br_add_if (net/bridge/br_if.c:697) 
[ 566.616620][ T6000] do_set_master (net/core/rtnetlink.c:2948) 
[ 566.616933][ T6000] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 566.617247][ T6000] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 566.617558][ T6000] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 566.617864][ T6000] ? __dev_get_by_name (net/core/dev.c:865) 
[ 566.618167][ T6000] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 566.618479][ T6000] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 566.618786][ T6000] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 566.619087][ T6000] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 566.619401][ T6000] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 566.619714][ T6000] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 566.620022][ T6000] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 566.620368][ T6000] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 566.620673][ T6000] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 566.620977][ T6000] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 566.621289][ T6000] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 566.621591][ T6000] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 566.621895][ T6000] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 566.622210][ T6000] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 566.622511][ T6000] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 566.622818][ T6000] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 566.623131][ T6000] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 566.623439][ T6000] ? 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) 
[ 566.623760][ T6000] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 566.624078][ T6000] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 566.624400][ T6000] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 566.624708][ T6000] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 566.625014][ T6000] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 566.625336][ T6000] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 566.625643][ T6000] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 566.625948][ T6000] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 566.626256][ T6000] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 566.626644][ T6000] ___sys_sendmsg (net/socket.c:2670) 
[ 566.626950][ T6000] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 566.627268][ T6000] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 566.627573][ T6000] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 566.627873][ T6000] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 566.628174][ T6000] ? __handle_mm_fault (mm/memory.c:6212) 
[ 566.628501][ T6000] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 566.628798][ T6000] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 566.629122][ T6000] __sys_sendmsg (net/socket.c:2700) 
[ 566.629434][ T6000] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 566.629733][ T6000] ? 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) 
[ 566.630039][ T6000] ? 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) 
[ 566.630350][ T6000] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 566.630656][ T6000] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 566.630957][ T6000] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  566.631341][ T6000] RIP: 0033:0x7f7023a211e7
[ 566.631653][ T6000] 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)
[  566.632749][ T6000] RSP: 002b:00007ffdbc9c1c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  566.633221][ T6000] RAX: ffffffffffffffda RBX: 00007ffdbc9c2380 RCX: 00007f7023a211e7
[  566.633679][ T6000] RDX: 0000000000000000 RSI: 00007ffdbc9c1cb0 RDI: 0000000000000005
[  566.634127][ T6000] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  566.634581][ T6000] R10: 00007f7023aafac0 R11: 0000000000000246 R12: 00007ffdbc9c23b8
[  566.635031][ T6000] R13: 00000000686e2797 R14: 0000000000499600 R15: 00007ffdbc9c1da0
| [  570.664500][ T6030] ------------[ cut here ]------------
| [ 570.664807][ T6030] WARNING: CPU: 3 PID: 6030 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) 
| [  570.665417][ T6030] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  570.666582][ T6030] Tainted: [W]=WARN
[  570.666811][ T6030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 570.667218][ T6030] 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) 
[ 570.667530][ T6030] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  570.668624][ T6030] RSP: 0018:ffffc9000aea7080 EFLAGS: 00010246
[  570.669010][ T6030] RAX: 0000000000000000 RBX: ffff88801328a000 RCX: 0000000000000001
[  570.669475][ T6030] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  570.669931][ T6030] RBP: ffffc9000aea7168 R08: 0000000000000000 R09: 0000000000000000
[  570.670388][ T6030] R10: ffffc9000aea7198 R11: ffffffffb318d1e0 R12: 1ffff920015d4e14
[  570.670837][ T6030] R13: 00000000000005dc R14: ffffc9000aea7198 R15: ffff88801328af48
[  570.671300][ T6030] FS:  00007f03ffe31800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  570.671839][ T6030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  570.672230][ T6030] CR2: 00007f03fff31130 CR3: 0000000016e0c002 CR4: 0000000000772ef0
[  570.672682][ T6030] PKRU: 55555554
[  570.672907][ T6030] Call Trace:
[  570.673130][ T6030]  <TASK>
[ 570.673292][ T6030] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 570.673594][ T6030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 570.673911][ T6030] netif_set_mtu (net/core/dev.c:9652) 
[ 570.674218][ T6030] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 570.674536][ T6030] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 570.674765][ T6030] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 570.675067][ T6030] br_add_if (net/bridge/br_if.c:697) 
[ 570.675334][ T6030] do_set_master (net/core/rtnetlink.c:2948) 
[ 570.675636][ T6030] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 570.675940][ T6030] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 570.676260][ T6030] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 570.676559][ T6030] ? __dev_get_by_name (net/core/dev.c:865) 
[ 570.676859][ T6030] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 570.677158][ T6030] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 570.677470][ T6030] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 570.677767][ T6030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 570.678071][ T6030] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 570.678398][ T6030] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 570.678707][ T6030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 570.679019][ T6030] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 570.679333][ T6030] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 570.679638][ T6030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 570.679937][ T6030] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 570.680248][ T6030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 570.680554][ T6030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 570.680862][ T6030] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 570.681161][ T6030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 570.681470][ T6030] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 570.681784][ T6030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 570.682080][ T6030] ? 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) 
[ 570.682390][ T6030] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 570.682695][ T6030] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 570.683001][ T6030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 570.683324][ T6030] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 570.683628][ T6030] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 570.683930][ T6030] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 570.684243][ T6030] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 570.684544][ T6030] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 570.684843][ T6030] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 570.685255][ T6030] ___sys_sendmsg (net/socket.c:2670) 
[ 570.685560][ T6030] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 570.685864][ T6030] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 570.686167][ T6030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 570.686476][ T6030] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 570.686779][ T6030] ? __handle_mm_fault (mm/memory.c:6212) 
[ 570.687080][ T6030] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 570.687399][ T6030] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 570.687720][ T6030] __sys_sendmsg (net/socket.c:2700) 
[ 570.688021][ T6030] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 570.688328][ T6030] ? 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) 
[ 570.688634][ T6030] ? 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) 
[ 570.688936][ T6030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 570.689248][ T6030] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 570.689554][ T6030] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  570.689924][ T6030] RIP: 0033:0x7f03ffffe1e7
[ 570.690243][ T6030] 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)
[  570.691330][ T6030] RSP: 002b:00007ffe76af09d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  570.691787][ T6030] RAX: ffffffffffffffda RBX: 00007ffe76af1110 RCX: 00007f03ffffe1e7
[  570.692247][ T6030] RDX: 0000000000000000 RSI: 00007ffe76af0a40 RDI: 0000000000000005
[  570.692698][ T6030] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  570.693149][ T6030] R10: 00007f040008cac0 R11: 0000000000000246 R12: 00007ffe76af1148
[  570.693620][ T6030] R13: 00000000686e279b R14: 0000000000499600 R15: 00007ffe76af0b30
| [  577.457492][ T6096] ------------[ cut here ]------------
| [ 577.457823][ T6096] WARNING: CPU: 2 PID: 6096 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) 
| [  577.459265][ T6096] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  577.460474][ T6096] Tainted: [W]=WARN
[  577.460715][ T6096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 577.461102][ T6096] 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) 
[ 577.461445][ T6096] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  577.462546][ T6096] RSP: 0018:ffffc9000b0f7080 EFLAGS: 00010246
[  577.462942][ T6096] RAX: 0000000000000000 RBX: ffff88800d0ba000 RCX: 0000000000000001
[  577.463415][ T6096] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  577.463877][ T6096] RBP: ffffc9000b0f7168 R08: 0000000000000000 R09: 0000000000000000
[  577.464356][ T6096] R10: ffffc9000b0f7198 R11: ffffffffb318d1e0 R12: 1ffff9200161ee14
[  577.464816][ T6096] R13: 00000000000005dc R14: ffffc9000b0f7198 R15: ffff88800d0baf48
[  577.465307][ T6096] FS:  00007f3c2fbc8800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  577.465849][ T6096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  577.466283][ T6096] CR2: 00007f3c2fdb3ba0 CR3: 000000000b24f001 CR4: 0000000000772ef0
[  577.466758][ T6096] PKRU: 55555554
[  577.466997][ T6096] Call Trace:
[  577.467248][ T6096]  <TASK>
[ 577.467417][ T6096] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 577.467737][ T6096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 577.468063][ T6096] netif_set_mtu (net/core/dev.c:9652) 
[ 577.468388][ T6096] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 577.468723][ T6096] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 577.468967][ T6096] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 577.469304][ T6096] br_add_if (net/bridge/br_if.c:697) 
[ 577.469561][ T6096] do_set_master (net/core/rtnetlink.c:2948) 
[ 577.469873][ T6096] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 577.470205][ T6096] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 577.470528][ T6096] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 577.470841][ T6096] ? __dev_get_by_name (net/core/dev.c:865) 
[ 577.471164][ T6096] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 577.471491][ T6096] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 577.471820][ T6096] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 577.472130][ T6096] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 577.472458][ T6096] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 577.472782][ T6096] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 577.473102][ T6096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 577.473446][ T6096] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 577.473768][ T6096] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 577.474083][ T6096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 577.474408][ T6096] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 577.474728][ T6096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 577.475049][ T6096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 577.475388][ T6096] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 577.475703][ T6096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 577.476025][ T6096] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 577.476365][ T6096] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 577.476679][ T6096] ? 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) 
[ 577.476996][ T6096] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 577.477333][ T6096] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 577.477651][ T6096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 577.477971][ T6096] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 577.478305][ T6096] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 577.478619][ T6096] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 577.478939][ T6096] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 577.479266][ T6096] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 577.479587][ T6096] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 577.479992][ T6096] ___sys_sendmsg (net/socket.c:2670) 
[ 577.480322][ T6096] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 577.480643][ T6096] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 577.480964][ T6096] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 577.481296][ T6096] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 577.481624][ T6096] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 577.481948][ T6096] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 577.482278][ T6096] __sys_sendmsg (net/socket.c:2700) 
[ 577.482591][ T6096] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 577.482926][ T6096] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 577.483255][ T6096] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 577.483575][ T6096] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  577.483957][ T6096] RIP: 0033:0x7f3c2fd951e7
[ 577.484290][ T6096] 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)
[  577.485406][ T6096] RSP: 002b:00007ffed0b26138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  577.485877][ T6096] RAX: ffffffffffffffda RBX: 00007ffed0b26870 RCX: 00007f3c2fd951e7
[  577.486351][ T6096] RDX: 0000000000000000 RSI: 00007ffed0b261a0 RDI: 0000000000000005
[  577.486815][ T6096] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  577.487298][ T6096] R10: 00007f3c2fe23ac0 R11: 0000000000000246 R12: 00007ffed0b268a8
[  577.487763][ T6096] R13: 00000000686e27a2 R14: 0000000000499600 R15: 00007ffed0b26290
| [  581.387664][ T6126] ------------[ cut here ]------------
| [ 581.387976][ T6126] WARNING: CPU: 0 PID: 6126 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) 
| [  581.388580][ T6126] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  581.389759][ T6126] Tainted: [W]=WARN
[  581.389989][ T6126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 581.390394][ T6126] 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) 
[ 581.390708][ T6126] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  581.391807][ T6126] RSP: 0018:ffffc9000b267080 EFLAGS: 00010246
[  581.392225][ T6126] RAX: 0000000000000000 RBX: ffff88800c80a000 RCX: 0000000000000001
[  581.392685][ T6126] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  581.393135][ T6126] RBP: ffffc9000b267168 R08: 0000000000000000 R09: 0000000000000000
[  581.393603][ T6126] R10: ffffc9000b267198 R11: ffffffffb318d1e0 R12: 1ffff9200164ce14
[  581.394058][ T6126] R13: 00000000000005dc R14: ffffc9000b267198 R15: ffff88800c80af48
[  581.394561][ T6126] FS:  00007f5fc8d9e800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  581.395099][ T6126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  581.395502][ T6126] CR2: 00007f5fc8f89ba0 CR3: 00000000169bf002 CR4: 0000000000772ef0
[  581.395958][ T6126] PKRU: 55555554
[  581.396198][ T6126] Call Trace:
[  581.396433][ T6126]  <TASK>
[ 581.396592][ T6126] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 581.396904][ T6126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 581.397228][ T6126] netif_set_mtu (net/core/dev.c:9652) 
[ 581.397532][ T6126] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 581.397851][ T6126] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 581.398081][ T6126] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 581.398411][ T6126] br_add_if (net/bridge/br_if.c:697) 
[ 581.398654][ T6126] do_set_master (net/core/rtnetlink.c:2948) 
[ 581.398954][ T6126] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 581.399272][ T6126] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 581.399583][ T6126] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 581.399886][ T6126] ? __dev_get_by_name (net/core/dev.c:865) 
[ 581.400198][ T6126] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 581.400500][ T6126] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 581.400807][ T6126] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 581.401116][ T6126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 581.401433][ T6126] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 581.401747][ T6126] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 581.402054][ T6126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 581.402386][ T6126] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 581.402693][ T6126] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 581.402995][ T6126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 581.403312][ T6126] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 581.403618][ T6126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 581.403924][ T6126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 581.404239][ T6126] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 581.404542][ T6126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 581.404844][ T6126] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 581.405163][ T6126] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 581.405479][ T6126] ? 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) 
[ 581.405785][ T6126] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 581.406090][ T6126] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 581.406409][ T6126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 581.406718][ T6126] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 581.407025][ T6126] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 581.407338][ T6126] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 581.407650][ T6126] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 581.407964][ T6126] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 581.408272][ T6126] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 581.408659][ T6126] ___sys_sendmsg (net/socket.c:2670) 
[ 581.408961][ T6126] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 581.409273][ T6126] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 581.409578][ T6126] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 581.409885][ T6126] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 581.410214][ T6126] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 581.410530][ T6126] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 581.410839][ T6126] __sys_sendmsg (net/socket.c:2700) 
[ 581.411145][ T6126] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 581.411471][ T6126] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 581.411778][ T6126] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 581.412088][ T6126] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  581.412477][ T6126] RIP: 0033:0x7f5fc8f6b1e7
[ 581.412792][ T6126] 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)
[  581.413870][ T6126] RSP: 002b:00007fff60926208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  581.414341][ T6126] RAX: ffffffffffffffda RBX: 00007fff60926940 RCX: 00007f5fc8f6b1e7
[  581.414803][ T6126] RDX: 0000000000000000 RSI: 00007fff60926270 RDI: 0000000000000005
[  581.415271][ T6126] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  581.415724][ T6126] R10: 00007f5fc8ff9ac0 R11: 0000000000000246 R12: 00007fff60926978
[  581.416173][ T6126] R13: 00000000686e27a5 R14: 0000000000499600 R15: 00007fff60926360
| [  595.823691][ T6228] ------------[ cut here ]------------
| [ 595.823996][ T6228] WARNING: CPU: 3 PID: 6228 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) 
| [  595.824597][ T6228] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  595.825792][ T6228] Tainted: [W]=WARN
[  595.826026][ T6228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 595.826409][ T6228] 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) 
[ 595.826719][ T6228] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  595.827814][ T6228] RSP: 0018:ffffc9000adc7080 EFLAGS: 00010246
[  595.828206][ T6228] RAX: 0000000000000000 RBX: ffff88800e60a000 RCX: 0000000000000001
[  595.828664][ T6228] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  595.829113][ T6228] RBP: ffffc9000adc7168 R08: 0000000000000000 R09: 0000000000000000
[  595.829578][ T6228] R10: ffffc9000adc7198 R11: ffffffffb318d1e0 R12: 1ffff920015b8e14
[  595.830028][ T6228] R13: 00000000000005dc R14: ffffc9000adc7198 R15: ffff88800e60af48
[  595.830489][ T6228] FS:  00007fe97b42a800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  595.831016][ T6228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  595.831399][ T6228] CR2: 000000000043d940 CR3: 00000000165ae001 CR4: 0000000000772ef0
[  595.831852][ T6228] PKRU: 55555554
[  595.832076][ T6228] Call Trace:
[  595.832306][ T6228]  <TASK>
[ 595.832463][ T6228] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 595.832770][ T6228] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 595.833082][ T6228] netif_set_mtu (net/core/dev.c:9652) 
[ 595.833401][ T6228] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 595.833726][ T6228] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 595.833954][ T6228] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 595.834267][ T6228] br_add_if (net/bridge/br_if.c:697) 
[ 595.834504][ T6228] do_set_master (net/core/rtnetlink.c:2948) 
[ 595.834803][ T6228] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 595.835111][ T6228] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 595.835431][ T6228] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 595.835732][ T6228] ? __dev_get_by_name (net/core/dev.c:865) 
[ 595.836032][ T6228] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 595.836338][ T6228] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 595.836644][ T6228] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 595.836943][ T6228] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 595.837269][ T6228] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 595.837585][ T6228] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 595.837893][ T6228] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 595.838216][ T6228] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 595.838515][ T6228] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 595.838818][ T6228] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 595.839119][ T6228] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 595.839430][ T6228] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 595.839740][ T6228] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 595.840046][ T6228] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 595.840357][ T6228] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 595.840660][ T6228] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 595.840972][ T6228] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 595.841287][ T6228] ? 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) 
[ 595.841597][ T6228] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 595.841900][ T6228] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 595.842211][ T6228] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 595.842517][ T6228] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 595.842821][ T6228] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 595.843121][ T6228] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 595.843436][ T6228] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 595.843744][ T6228] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 595.844048][ T6228] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 595.844443][ T6228] ___sys_sendmsg (net/socket.c:2670) 
[ 595.844744][ T6228] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 595.845043][ T6228] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 595.845371][ T6228] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 595.845671][ T6228] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 595.845982][ T6228] ? __handle_mm_fault (mm/memory.c:6212) 
[ 595.846290][ T6228] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 595.846592][ T6228] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 595.846911][ T6228] __sys_sendmsg (net/socket.c:2700) 
[ 595.847221][ T6228] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 595.847532][ T6228] ? 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) 
[ 595.847838][ T6228] ? 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) 
[ 595.848142][ T6228] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 595.848456][ T6228] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 595.848758][ T6228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  595.849130][ T6228] RIP: 0033:0x7fe97b5f71e7
[ 595.849458][ T6228] 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)
[  595.850552][ T6228] RSP: 002b:00007fff58ea3498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  595.851005][ T6228] RAX: ffffffffffffffda RBX: 00007fff58ea3bd0 RCX: 00007fe97b5f71e7
[  595.851466][ T6228] RDX: 0000000000000000 RSI: 00007fff58ea3500 RDI: 0000000000000005
[  595.851914][ T6228] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  595.852377][ T6228] R10: 00007fe97b685ac0 R11: 0000000000000246 R12: 00007fff58ea3c08
[  595.852830][ T6228] R13: 00000000686e27b4 R14: 0000000000499600 R15: 00007fff58ea35f0
| [  599.665464][ T6258] ------------[ cut here ]------------
| [ 599.665793][ T6258] WARNING: CPU: 2 PID: 6258 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) 
| [  599.666412][ T6258] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  599.667606][ T6258] Tainted: [W]=WARN
[  599.667853][ T6258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 599.668270][ T6258] 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) 
[ 599.668593][ T6258] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  599.669698][ T6258] RSP: 0018:ffffc9000aee7080 EFLAGS: 00010246
[  599.670097][ T6258] RAX: 0000000000000000 RBX: ffff88800d0ba000 RCX: 0000000000000001
[  599.670578][ T6258] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  599.671046][ T6258] RBP: ffffc9000aee7168 R08: 0000000000000000 R09: 0000000000000000
[  599.671527][ T6258] R10: ffffc9000aee7198 R11: ffffffffb318d1e0 R12: 1ffff920015dce14
[  599.671994][ T6258] R13: 00000000000005dc R14: ffffc9000aee7198 R15: ffff88800d0baf48
[  599.672473][ T6258] FS:  00007f6a1d78b800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  599.673014][ T6258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  599.673416][ T6258] CR2: 000000000043d940 CR3: 000000000ccc3002 CR4: 0000000000772ef0
[  599.673888][ T6258] PKRU: 55555554
[  599.674127][ T6258] Call Trace:
[  599.674372][ T6258]  <TASK>
[ 599.674542][ T6258] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 599.674863][ T6258] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 599.675207][ T6258] netif_set_mtu (net/core/dev.c:9652) 
[ 599.675521][ T6258] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 599.675850][ T6258] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 599.676097][ T6258] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 599.676426][ T6258] br_add_if (net/bridge/br_if.c:697) 
[ 599.676676][ T6258] do_set_master (net/core/rtnetlink.c:2948) 
[ 599.676988][ T6258] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 599.677316][ T6258] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 599.677633][ T6258] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 599.677943][ T6258] ? __dev_get_by_name (net/core/dev.c:865) 
[ 599.678273][ T6258] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 599.678586][ T6258] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 599.678904][ T6258] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 599.679223][ T6258] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 599.679543][ T6258] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 599.679865][ T6258] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 599.680193][ T6258] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 599.680520][ T6258] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 599.680835][ T6258] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 599.681153][ T6258] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 599.681474][ T6258] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 599.681790][ T6258] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 599.682106][ T6258] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 599.682434][ T6258] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 599.682750][ T6258] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 599.683066][ T6258] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 599.683405][ T6258] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 599.683718][ T6258] ? 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) 
[ 599.684033][ T6258] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 599.684363][ T6258] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 599.684681][ T6258] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 599.685005][ T6258] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 599.685338][ T6258] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 599.685662][ T6258] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 599.685981][ T6258] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 599.686305][ T6258] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 599.686615][ T6258] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 599.687014][ T6258] ___sys_sendmsg (net/socket.c:2670) 
[ 599.687339][ T6258] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 599.687654][ T6258] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 599.687972][ T6258] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 599.688294][ T6258] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 599.688609][ T6258] ? __handle_mm_fault (mm/memory.c:6212) 
[ 599.688923][ T6258] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 599.689245][ T6258] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 599.689580][ T6258] __sys_sendmsg (net/socket.c:2700) 
[ 599.689901][ T6258] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 599.690223][ T6258] ? 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) 
[ 599.690541][ T6258] ? 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) 
[ 599.690855][ T6258] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 599.691170][ T6258] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 599.691493][ T6258] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  599.691875][ T6258] RIP: 0033:0x7f6a1d9581e7
[ 599.692214][ T6258] 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)
[  599.693310][ T6258] RSP: 002b:00007ffe9e11a128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  599.693774][ T6258] RAX: ffffffffffffffda RBX: 00007ffe9e11a860 RCX: 00007f6a1d9581e7
[  599.694249][ T6258] RDX: 0000000000000000 RSI: 00007ffe9e11a190 RDI: 0000000000000005
[  599.694714][ T6258] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  599.695191][ T6258] R10: 00007f6a1d9e6ac0 R11: 0000000000000246 R12: 00007ffe9e11a898
[  599.695663][ T6258] R13: 00000000686e27b8 R14: 0000000000499600 R15: 00007ffe9e11a280
| [  606.389852][ T6324] ------------[ cut here ]------------
| [ 606.390162][ T6324] WARNING: CPU: 3 PID: 6324 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) 
| [  606.390771][ T6324] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  606.391960][ T6324] Tainted: [W]=WARN
[  606.392223][ T6324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 606.392601][ T6324] 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) 
[ 606.392912][ T6324] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  606.393995][ T6324] RSP: 0018:ffffc9000af67080 EFLAGS: 00010246
[  606.394389][ T6324] RAX: 0000000000000000 RBX: ffff8880168e2000 RCX: 0000000000000001
[  606.394841][ T6324] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  606.395307][ T6324] RBP: ffffc9000af67168 R08: 0000000000000000 R09: 0000000000000000
[  606.395759][ T6324] R10: ffffc9000af67198 R11: ffffffffb318d1e0 R12: 1ffff920015ece14
[  606.396230][ T6324] R13: 00000000000005dc R14: ffffc9000af67198 R15: ffff8880168e2f48
[  606.396682][ T6324] FS:  00007fd9fa65f800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  606.397217][ T6324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  606.397597][ T6324] CR2: 00007fd9fa84aba0 CR3: 000000000fb05001 CR4: 0000000000772ef0
[  606.398051][ T6324] PKRU: 55555554
[  606.398297][ T6324] Call Trace:
[  606.398521][ T6324]  <TASK>
[ 606.398676][ T6324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 606.398982][ T6324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 606.399303][ T6324] netif_set_mtu (net/core/dev.c:9652) 
[ 606.399604][ T6324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 606.399923][ T6324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 606.400153][ T6324] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 606.400486][ T6324] br_add_if (net/bridge/br_if.c:697) 
[ 606.400739][ T6324] do_set_master (net/core/rtnetlink.c:2948) 
[ 606.401041][ T6324] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 606.401355][ T6324] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 606.401670][ T6324] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 606.401969][ T6324] ? __dev_get_by_name (net/core/dev.c:865) 
[ 606.402281][ T6324] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 606.402583][ T6324] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 606.402897][ T6324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 606.403208][ T6324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 606.403517][ T6324] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 606.403829][ T6324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 606.404135][ T6324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 606.404468][ T6324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 606.404777][ T6324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 606.405088][ T6324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 606.405413][ T6324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 606.405723][ T6324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 606.406031][ T6324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 606.406350][ T6324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 606.406655][ T6324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 606.406958][ T6324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 606.407285][ T6324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 606.407597][ T6324] ? 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) 
[ 606.407902][ T6324] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 606.408228][ T6324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 606.408538][ T6324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 606.408846][ T6324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 606.409158][ T6324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 606.409469][ T6324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 606.409788][ T6324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 606.410099][ T6324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 606.410412][ T6324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 606.410803][ T6324] ___sys_sendmsg (net/socket.c:2670) 
[ 606.411109][ T6324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 606.411425][ T6324] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 606.411733][ T6324] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 606.412039][ T6324] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 606.412364][ T6324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 606.412693][ T6324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 606.413000][ T6324] __sys_sendmsg (net/socket.c:2700) 
[ 606.413312][ T6324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 606.413628][ T6324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 606.413931][ T6324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 606.414249][ T6324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  606.414627][ T6324] RIP: 0033:0x7fd9fa82c1e7
[ 606.414938][ T6324] 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)
[  606.416040][ T6324] RSP: 002b:00007ffe3b7c00a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  606.416521][ T6324] RAX: ffffffffffffffda RBX: 00007ffe3b7c07e0 RCX: 00007fd9fa82c1e7
[  606.416982][ T6324] RDX: 0000000000000000 RSI: 00007ffe3b7c0110 RDI: 0000000000000005
[  606.417438][ T6324] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  606.417889][ T6324] R10: 00007fd9fa8baac0 R11: 0000000000000246 R12: 00007ffe3b7c0818
[  606.418353][ T6324] R13: 00000000686e27be R14: 0000000000499600 R15: 00007ffe3b7c0200
| [  610.326510][ T6354] ------------[ cut here ]------------
| [ 610.326925][ T6354] WARNING: CPU: 2 PID: 6354 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) 
| [  610.327565][ T6354] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  610.328776][ T6354] Tainted: [W]=WARN
[  610.329028][ T6354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 610.329430][ T6354] 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) 
[ 610.329760][ T6354] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  610.330860][ T6354] RSP: 0018:ffffc9000a577080 EFLAGS: 00010246
[  610.331275][ T6354] RAX: 0000000000000000 RBX: ffff88800bc9a000 RCX: 0000000000000001
[  610.331742][ T6354] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  610.332284][ T6354] RBP: ffffc9000a577168 R08: 0000000000000000 R09: 0000000000000000
[  610.332747][ T6354] R10: ffffc9000a577198 R11: ffffffffb318d1e0 R12: 1ffff920014aee14
[  610.333220][ T6354] R13: 00000000000005dc R14: ffffc9000a577198 R15: ffff88800bc9af48
[  610.333685][ T6354] FS:  00007f2c4701b800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  610.334242][ T6354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  610.334637][ T6354] CR2: 00007f2c47206ba0 CR3: 000000001300c001 CR4: 0000000000772ef0
[  610.335103][ T6354] PKRU: 55555554
[  610.335370][ T6354] Call Trace:
[  610.335614][ T6354]  <TASK>
[ 610.335782][ T6354] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 610.336097][ T6354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 610.336441][ T6354] netif_set_mtu (net/core/dev.c:9652) 
[ 610.336757][ T6354] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 610.337089][ T6354] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 610.337339][ T6354] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 610.337657][ T6354] br_add_if (net/bridge/br_if.c:697) 
[ 610.337911][ T6354] do_set_master (net/core/rtnetlink.c:2948) 
[ 610.338233][ T6354] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 610.338555][ T6354] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 610.338873][ T6354] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 610.339202][ T6354] ? __dev_get_by_name (net/core/dev.c:865) 
[ 610.339530][ T6354] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 610.339843][ T6354] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 610.340163][ T6354] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 610.340485][ T6354] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 610.340805][ T6354] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 610.341134][ T6354] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 610.341464][ T6354] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 610.341789][ T6354] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 610.342099][ T6354] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 610.342426][ T6354] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 610.342738][ T6354] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 610.343053][ T6354] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 610.343393][ T6354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 610.343715][ T6354] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 610.344029][ T6354] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 610.344355][ T6354] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 610.344681][ T6354] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 610.344994][ T6354] ? 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) 
[ 610.345325][ T6354] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 610.345650][ T6354] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 610.345961][ T6354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 610.346291][ T6354] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 610.346608][ T6354] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 610.346922][ T6354] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 610.347259][ T6354] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 610.347583][ T6354] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 610.347893][ T6354] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 610.348308][ T6354] ___sys_sendmsg (net/socket.c:2670) 
[ 610.348623][ T6354] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 610.348936][ T6354] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 610.349262][ T6354] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 610.349507][ T6354] ? __handle_mm_fault (mm/memory.c:6212) 
[ 610.349817][ T6354] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 610.350134][ T6354] ? mt_find (lib/maple_tree.c:6938) 
[ 610.350406][ T6354] __sys_sendmsg (net/socket.c:2700) 
[ 610.350722][ T6354] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 610.351034][ T6354] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 610.351377][ T6354] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 610.351693][ T6354] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 610.352009][ T6354] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 610.352336][ T6354] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  610.352728][ T6354] RIP: 0033:0x7f2c471e81e7
[ 610.353048][ T6354] 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)
[  610.354138][ T6354] RSP: 002b:00007ffdee337628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  610.354624][ T6354] RAX: ffffffffffffffda RBX: 00007ffdee337d60 RCX: 00007f2c471e81e7
[  610.355084][ T6354] RDX: 0000000000000000 RSI: 00007ffdee337690 RDI: 0000000000000005
[  610.355585][ T6354] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  610.356054][ T6354] R10: 00007f2c47276ac0 R11: 0000000000000246 R12: 00007ffdee337d98
[  610.356530][ T6354] R13: 00000000686e27c2 R14: 0000000000499600 R15: 00007ffdee337780
| [  624.801592][ T6457] ------------[ cut here ]------------
| [ 624.801895][ T6457] WARNING: CPU: 0 PID: 6457 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) 
| [  624.802498][ T6457] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  624.803675][ T6457] Tainted: [W]=WARN
[  624.803920][ T6457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 624.805277][ T6457] 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) 
[ 624.805592][ T6457] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  624.806675][ T6457] RSP: 0018:ffffc90009e47080 EFLAGS: 00010246
[  624.807056][ T6457] RAX: 0000000000000000 RBX: ffff8880095a2000 RCX: 0000000000000001
[  624.807524][ T6457] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  624.807972][ T6457] RBP: ffffc90009e47168 R08: 0000000000000000 R09: 0000000000000000
[  624.808429][ T6457] R10: ffffc90009e47198 R11: ffffffffb318d1e0 R12: 1ffff920013c8e14
[  624.808884][ T6457] R13: 00000000000005dc R14: ffffc90009e47198 R15: ffff8880095a2f48
[  624.809340][ T6457] FS:  00007fb0b6ab4800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  624.809864][ T6457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  624.810250][ T6457] CR2: 00007fb0b6d0fb78 CR3: 000000000eb04004 CR4: 0000000000772ef0
[  624.810707][ T6457] PKRU: 55555554
[  624.810933][ T6457] Call Trace:
[  624.811156][ T6457]  <TASK>
[ 624.811331][ T6457] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 624.811634][ T6457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 624.811949][ T6457] netif_set_mtu (net/core/dev.c:9652) 
[ 624.812260][ T6457] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 624.812578][ T6457] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 624.812806][ T6457] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 624.813117][ T6457] br_add_if (net/bridge/br_if.c:697) 
[ 624.813364][ T6457] do_set_master (net/core/rtnetlink.c:2948) 
[ 624.813665][ T6457] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 624.813970][ T6457] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 624.814282][ T6457] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 624.814582][ T6457] ? __dev_get_by_name (net/core/dev.c:865) 
[ 624.814882][ T6457] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 624.815212][ T6457] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 624.815526][ T6457] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 624.815827][ T6457] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 624.816133][ T6457] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 624.816452][ T6457] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 624.816767][ T6457] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 624.817080][ T6457] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 624.817389][ T6457] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 624.817698][ T6457] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 624.817999][ T6457] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 624.818308][ T6457] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 624.818619][ T6457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 624.818926][ T6457] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 624.819245][ T6457] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 624.819558][ T6457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 624.819876][ T6457] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 624.820174][ T6457] ? 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) 
[ 624.820489][ T6457] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 624.820790][ T6457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 624.821091][ T6457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 624.821406][ T6457] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 624.821711][ T6457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 624.822017][ T6457] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 624.822334][ T6457] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 624.822645][ T6457] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 624.822943][ T6457] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 624.823348][ T6457] ___sys_sendmsg (net/socket.c:2670) 
[ 624.823656][ T6457] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 624.823957][ T6457] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 624.824273][ T6457] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 624.824572][ T6457] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 624.824876][ T6457] ? __handle_mm_fault (mm/memory.c:6212) 
[ 624.825190][ T6457] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 624.825500][ T6457] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 624.825821][ T6457] __sys_sendmsg (net/socket.c:2700) 
[ 624.826121][ T6457] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 624.826439][ T6457] ? 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) 
[ 624.826756][ T6457] ? 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) 
[ 624.827058][ T6457] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 624.827381][ T6457] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 624.827694][ T6457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  624.828065][ T6457] RIP: 0033:0x7fb0b6c811e7
[ 624.828389][ T6457] 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)
[  624.829474][ T6457] RSP: 002b:00007ffe16e97c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  624.829930][ T6457] RAX: ffffffffffffffda RBX: 00007ffe16e983c0 RCX: 00007fb0b6c811e7
[  624.830387][ T6457] RDX: 0000000000000000 RSI: 00007ffe16e97cf0 RDI: 0000000000000005
[  624.830843][ T6457] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  624.831309][ T6457] R10: 00007fb0b6d0fac0 R11: 0000000000000246 R12: 00007ffe16e983f8
[  624.831759][ T6457] R13: 00000000686e27d1 R14: 0000000000499600 R15: 00007ffe16e97de0
| [  628.725986][ T6488] ------------[ cut here ]------------
| [ 628.726306][ T6488] WARNING: CPU: 1 PID: 6488 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) 
| [  628.726898][ T6488] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  628.728090][ T6488] Tainted: [W]=WARN
[  628.728332][ T6488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 628.728711][ T6488] 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) 
[ 628.729024][ T6488] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  628.730111][ T6488] RSP: 0018:ffffc900090e7080 EFLAGS: 00010246
[  628.730500][ T6488] RAX: 0000000000000000 RBX: ffff88800f3c2000 RCX: 0000000000000001
[  628.730951][ T6488] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  628.731407][ T6488] RBP: ffffc900090e7168 R08: 0000000000000000 R09: 0000000000000000
[  628.731856][ T6488] R10: ffffc900090e7198 R11: ffffffffb318d1e0 R12: 1ffff9200121ce14
[  628.732319][ T6488] R13: 00000000000005dc R14: ffffc900090e7198 R15: ffff88800f3c2f48
[  628.732774][ T6488] FS:  00007fbd0c43b800(0000) GS:ffff8880b0c19000(0000) knlGS:0000000000000000
[  628.733304][ T6488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  628.733683][ T6488] CR2: 000000000043d940 CR3: 0000000017336005 CR4: 0000000000772ef0
[  628.734140][ T6488] PKRU: 55555554
[  628.734375][ T6488] Call Trace:
[  628.734601][ T6488]  <TASK>
[ 628.734756][ T6488] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 628.735055][ T6488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 628.735386][ T6488] netif_set_mtu (net/core/dev.c:9652) 
[ 628.735688][ T6488] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 628.736006][ T6488] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 628.736250][ T6488] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 628.736556][ T6488] br_add_if (net/bridge/br_if.c:697) 
[ 628.736794][ T6488] do_set_master (net/core/rtnetlink.c:2948) 
[ 628.737093][ T6488] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 628.737407][ T6488] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 628.737712][ T6488] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 628.738011][ T6488] ? __dev_get_by_name (net/core/dev.c:865) 
[ 628.738324][ T6488] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 628.738626][ T6488] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 628.738932][ T6488] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 628.739239][ T6488] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 628.739543][ T6488] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 628.739857][ T6488] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 628.740162][ T6488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 628.740482][ T6488] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 628.740786][ T6488] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 628.741089][ T6488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 628.741397][ T6488] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 628.741702][ T6488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 628.742009][ T6488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 628.742324][ T6488] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 628.742625][ T6488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 628.742928][ T6488] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 628.743255][ T6488] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 628.743556][ T6488] ? 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) 
[ 628.743861][ T6488] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 628.744166][ T6488] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 628.744479][ T6488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 628.744790][ T6488] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 628.745094][ T6488] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 628.745421][ T6488] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 628.745729][ T6488] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 628.746033][ T6488] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 628.746340][ T6488] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 628.746725][ T6488] ___sys_sendmsg (net/socket.c:2670) 
[ 628.747026][ T6488] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 628.747335][ T6488] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 628.747644][ T6488] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 628.747944][ T6488] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 628.748258][ T6488] ? __handle_mm_fault (mm/memory.c:6212) 
[ 628.748558][ T6488] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 628.748856][ T6488] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 628.749175][ T6488] __sys_sendmsg (net/socket.c:2700) 
[ 628.749496][ T6488] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 628.749796][ T6488] ? 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) 
[ 628.750103][ T6488] ? 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) 
[ 628.750415][ T6488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 628.750718][ T6488] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 628.751019][ T6488] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  628.751401][ T6488] RIP: 0033:0x7fbd0c6081e7
[ 628.751718][ T6488] 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)
[  628.752806][ T6488] RSP: 002b:00007ffc6c955ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  628.753268][ T6488] RAX: ffffffffffffffda RBX: 00007ffc6c956220 RCX: 00007fbd0c6081e7
[  628.753728][ T6488] RDX: 0000000000000000 RSI: 00007ffc6c955b50 RDI: 0000000000000005
[  628.754191][ T6488] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  628.754643][ T6488] R10: 00007fbd0c696ac0 R11: 0000000000000246 R12: 00007ffc6c956258
[  628.755092][ T6488] R13: 00000000686e27d5 R14: 0000000000499600 R15: 00007ffc6c955c40
| [  635.469783][ T6554] ------------[ cut here ]------------
| [ 635.470090][ T6554] WARNING: CPU: 1 PID: 6554 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) 
| [  635.470700][ T6554] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  635.471861][ T6554] Tainted: [W]=WARN
[  635.472089][ T6554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 635.472479][ T6554] 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) 
[ 635.472788][ T6554] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  635.473866][ T6554] RSP: 0018:ffffc90009ff7080 EFLAGS: 00010246
[  635.474254][ T6554] RAX: 0000000000000000 RBX: ffff8880095aa000 RCX: 0000000000000001
[  635.474711][ T6554] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  635.475157][ T6554] RBP: ffffc90009ff7168 R08: 0000000000000000 R09: 0000000000000000
[  635.475625][ T6554] R10: ffffc90009ff7198 R11: ffffffffb318d1e0 R12: 1ffff920013fee14
[  635.476074][ T6554] R13: 00000000000005dc R14: ffffc90009ff7198 R15: ffff8880095aaf48
[  635.476537][ T6554] FS:  00007fbe80ba9800(0000) GS:ffff8880b0c19000(0000) knlGS:0000000000000000
[  635.477060][ T6554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  635.477446][ T6554] CR2: 00007fbe80d94ba0 CR3: 00000000138e9002 CR4: 0000000000772ef0
[  635.477903][ T6554] PKRU: 55555554
[  635.478128][ T6554] Call Trace:
[  635.478358][ T6554]  <TASK>
[ 635.478521][ T6554] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 635.478822][ T6554] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 635.479135][ T6554] netif_set_mtu (net/core/dev.c:9652) 
[ 635.479445][ T6554] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 635.479762][ T6554] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 635.479990][ T6554] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 635.480303][ T6554] br_add_if (net/bridge/br_if.c:697) 
[ 635.480542][ T6554] do_set_master (net/core/rtnetlink.c:2948) 
[ 635.480845][ T6554] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 635.481150][ T6554] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 635.481464][ T6554] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 635.481766][ T6554] ? __dev_get_by_name (net/core/dev.c:865) 
[ 635.482065][ T6554] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 635.482372][ T6554] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 635.482678][ T6554] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 635.482982][ T6554] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 635.483294][ T6554] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 635.483606][ T6554] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 635.483911][ T6554] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 635.484229][ T6554] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 635.484527][ T6554] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 635.484829][ T6554] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 635.485129][ T6554] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 635.485458][ T6554] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 635.485765][ T6554] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 635.486070][ T6554] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 635.486378][ T6554] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 635.486685][ T6554] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 635.486999][ T6554] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 635.487305][ T6554] ? 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) 
[ 635.487614][ T6554] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 635.487919][ T6554] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 635.488227][ T6554] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 635.488532][ T6554] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 635.488836][ T6554] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 635.489137][ T6554] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 635.489453][ T6554] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 635.489763][ T6554] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 635.490062][ T6554] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 635.490457][ T6554] ___sys_sendmsg (net/socket.c:2670) 
[ 635.490759][ T6554] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 635.491067][ T6554] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 635.491378][ T6554] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 635.491676][ T6554] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 635.491988][ T6554] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 635.492305][ T6554] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 635.492611][ T6554] __sys_sendmsg (net/socket.c:2700) 
[ 635.492910][ T6554] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 635.493234][ T6554] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 635.493536][ T6554] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 635.493837][ T6554] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  635.494228][ T6554] RIP: 0033:0x7fbe80d761e7
[ 635.494541][ T6554] 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)
[  635.495641][ T6554] RSP: 002b:00007ffdd01e01f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  635.496098][ T6554] RAX: ffffffffffffffda RBX: 00007ffdd01e0930 RCX: 00007fbe80d761e7
[  635.496564][ T6554] RDX: 0000000000000000 RSI: 00007ffdd01e0260 RDI: 0000000000000005
[  635.497014][ T6554] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  635.497474][ T6554] R10: 00007fbe80e04ac0 R11: 0000000000000246 R12: 00007ffdd01e0968
[  635.497926][ T6554] R13: 00000000686e27dc R14: 0000000000499600 R15: 00007ffdd01e0350
| [  639.636077][ T6584] ------------[ cut here ]------------
| [ 639.636437][ T6584] WARNING: CPU: 2 PID: 6584 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) 
| [  639.637057][ T6584] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  639.638293][ T6584] Tainted: [W]=WARN
[  639.638544][ T6584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 639.638937][ T6584] 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) 
[ 639.639485][ T6584] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  639.640735][ T6584] RSP: 0018:ffffc9000ac97080 EFLAGS: 00010246
[  639.641282][ T6584] RAX: 0000000000000000 RBX: ffff888012242000 RCX: 0000000000000001
[  639.641885][ T6584] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  639.642532][ T6584] RBP: ffffc9000ac97168 R08: 0000000000000000 R09: 0000000000000000
[  639.643135][ T6584] R10: ffffc9000ac97198 R11: ffffffffb318d1e0 R12: 1ffff92001592e14
[  639.643756][ T6584] R13: 00000000000005dc R14: ffffc9000ac97198 R15: ffff888012242f48
[  639.644241][ T6584] FS:  00007f220ae2b800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  639.644787][ T6584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  639.645189][ T6584] CR2: 00007f220b016ba0 CR3: 0000000005a03003 CR4: 0000000000772ef0
[  639.645665][ T6584] PKRU: 55555554
[  639.645907][ T6584] Call Trace:
[  639.646144][ T6584]  <TASK>
[ 639.646344][ T6584] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 639.646665][ T6584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 639.646993][ T6584] netif_set_mtu (net/core/dev.c:9652) 
[ 639.647324][ T6584] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 639.647656][ T6584] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 639.647899][ T6584] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 639.648231][ T6584] br_add_if (net/bridge/br_if.c:697) 
[ 639.648485][ T6584] do_set_master (net/core/rtnetlink.c:2948) 
[ 639.648801][ T6584] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 639.649120][ T6584] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 639.649449][ T6584] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 639.649762][ T6584] ? __dev_get_by_name (net/core/dev.c:865) 
[ 639.650076][ T6584] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 639.650414][ T6584] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 639.650745][ T6584] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 639.651064][ T6584] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 639.651403][ T6584] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 639.651733][ T6584] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 639.652054][ T6584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 639.652395][ T6584] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 639.652709][ T6584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 639.653027][ T6584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 639.653354][ T6584] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 639.653675][ T6584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 639.653996][ T6584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 639.654341][ T6584] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 639.654663][ T6584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 639.654984][ T6584] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 639.655343][ T6584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 639.655657][ T6584] ? 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) 
[ 639.655979][ T6584] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 639.656309][ T6584] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 639.656621][ T6584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 639.656941][ T6584] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 639.657269][ T6584] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 639.657584][ T6584] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 639.657906][ T6584] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 639.658255][ T6584] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 639.658578][ T6584] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 639.658979][ T6584] ___sys_sendmsg (net/socket.c:2670) 
[ 639.659313][ T6584] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 639.659634][ T6584] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 639.659951][ T6584] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 639.660277][ T6584] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 639.660601][ T6584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 639.660922][ T6584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 639.661254][ T6584] __sys_sendmsg (net/socket.c:2700) 
[ 639.661568][ T6584] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 639.661897][ T6584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 639.662236][ T6584] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 639.662559][ T6584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  639.662943][ T6584] RIP: 0033:0x7f220aff81e7
[ 639.663292][ T6584] 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)
[  639.664389][ T6584] RSP: 002b:00007ffec98dd5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  639.664858][ T6584] RAX: ffffffffffffffda RBX: 00007ffec98ddd00 RCX: 00007f220aff81e7
[  639.665350][ T6584] RDX: 0000000000000000 RSI: 00007ffec98dd630 RDI: 0000000000000005
[  639.665814][ T6584] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  639.666305][ T6584] R10: 00007f220b086ac0 R11: 0000000000000246 R12: 00007ffec98ddd38
[  639.666775][ T6584] R13: 00000000686e27e0 R14: 0000000000499600 R15: 00007ffec98dd720
| [  654.497317][ T6685] ------------[ cut here ]------------
| [ 654.497637][ T6685] WARNING: CPU: 0 PID: 6685 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) 
| [  654.498252][ T6685] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  654.499443][ T6685] Tainted: [W]=WARN
[  654.499679][ T6685] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 654.500063][ T6685] 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) 
[ 654.500389][ T6685] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  654.501503][ T6685] RSP: 0018:ffffc90008d07080 EFLAGS: 00010246
[  654.501889][ T6685] RAX: 0000000000000000 RBX: ffff888017452000 RCX: 0000000000000001
[  654.502356][ T6685] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  654.502821][ T6685] RBP: ffffc90008d07168 R08: 0000000000000000 R09: 0000000000000000
[  654.503292][ T6685] R10: ffffc90008d07198 R11: ffffffffb318d1e0 R12: 1ffff920011a0e14
[  654.503751][ T6685] R13: 00000000000005dc R14: ffffc90008d07198 R15: ffff888017452f48
[  654.504218][ T6685] FS:  00007f99df775800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  654.504755][ T6685] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  654.505144][ T6685] CR2: 000000000043d940 CR3: 0000000016a80003 CR4: 0000000000772ef0
[  654.505633][ T6685] PKRU: 55555554
[  654.505862][ T6685] Call Trace:
[  654.506089][ T6685]  <TASK>
[ 654.506256][ T6685] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 654.506565][ T6685] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 654.506883][ T6685] netif_set_mtu (net/core/dev.c:9652) 
[ 654.507202][ T6685] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 654.507532][ T6685] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 654.507764][ T6685] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 654.508073][ T6685] br_add_if (net/bridge/br_if.c:697) 
[ 654.508327][ T6685] do_set_master (net/core/rtnetlink.c:2948) 
[ 654.508634][ T6685] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 654.508942][ T6685] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 654.509260][ T6685] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 654.509570][ T6685] ? __dev_get_by_name (net/core/dev.c:865) 
[ 654.509876][ T6685] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 654.510195][ T6685] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 654.510505][ T6685] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 654.510811][ T6685] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 654.511125][ T6685] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 654.511450][ T6685] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 654.511764][ T6685] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 654.512088][ T6685] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 654.512401][ T6685] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 654.512712][ T6685] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 654.513018][ T6685] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 654.513336][ T6685] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 654.513646][ T6685] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 654.513956][ T6685] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 654.514278][ T6685] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 654.514592][ T6685] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 654.514908][ T6685] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 654.515231][ T6685] ? 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) 
[ 654.515543][ T6685] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 654.515851][ T6685] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 654.516165][ T6685] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 654.516489][ T6685] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 654.516806][ T6685] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 654.517112][ T6685] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 654.517437][ T6685] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 654.517745][ T6685] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 654.518048][ T6685] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 654.518453][ T6685] ___sys_sendmsg (net/socket.c:2670) 
[ 654.518760][ T6685] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 654.519072][ T6685] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 654.519392][ T6685] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 654.519698][ T6685] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 654.520005][ T6685] ? __handle_mm_fault (mm/memory.c:6212) 
[ 654.520322][ T6685] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 654.520630][ T6685] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 654.520960][ T6685] __sys_sendmsg (net/socket.c:2700) 
[ 654.521278][ T6685] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 654.521586][ T6685] ? 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) 
[ 654.521898][ T6685] ? 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) 
[ 654.522220][ T6685] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 654.522529][ T6685] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 654.522835][ T6685] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  654.523231][ T6685] RIP: 0033:0x7f99df9421e7
[ 654.523547][ T6685] 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)
[  654.524645][ T6685] RSP: 002b:00007ffcddc17488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  654.525106][ T6685] RAX: ffffffffffffffda RBX: 00007ffcddc17bc0 RCX: 00007f99df9421e7
[  654.525586][ T6685] RDX: 0000000000000000 RSI: 00007ffcddc174f0 RDI: 0000000000000005
[  654.526045][ T6685] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  654.526513][ T6685] R10: 00007f99df9d0ac0 R11: 0000000000000246 R12: 00007ffcddc17bf8
[  654.526970][ T6685] R13: 00000000686e27ef R14: 0000000000499600 R15: 00007ffcddc175e0
| [  658.476823][ T6715] ------------[ cut here ]------------
| [ 658.477131][ T6715] WARNING: CPU: 0 PID: 6715 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) 
| [  658.478597][ T6715] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  658.479764][ T6715] Tainted: [W]=WARN
[  658.479994][ T6715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 658.480378][ T6715] 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) 
[ 658.480691][ T6715] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  658.481785][ T6715] RSP: 0018:ffffc9000a1e7080 EFLAGS: 00010246
[  658.482166][ T6715] RAX: 0000000000000000 RBX: ffff8880095aa000 RCX: 0000000000000001
[  658.482627][ T6715] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  658.483078][ T6715] RBP: ffffc9000a1e7168 R08: 0000000000000000 R09: 0000000000000000
[  658.483541][ T6715] R10: ffffc9000a1e7198 R11: ffffffffb318d1e0 R12: 1ffff9200143ce14
[  658.483995][ T6715] R13: 00000000000005dc R14: ffffc9000a1e7198 R15: ffff8880095aaf48
[  658.484458][ T6715] FS:  00007f4a22f85800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  658.484991][ T6715] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  658.485386][ T6715] CR2: 000000000043d940 CR3: 00000000138eb004 CR4: 0000000000772ef0
[  658.485844][ T6715] PKRU: 55555554
[  658.486068][ T6715] Call Trace:
[  658.486300][ T6715]  <TASK>
[ 658.486458][ T6715] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 658.486765][ T6715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 658.487082][ T6715] netif_set_mtu (net/core/dev.c:9652) 
[ 658.487391][ T6715] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 658.487716][ T6715] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 658.487944][ T6715] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 658.488257][ T6715] br_add_if (net/bridge/br_if.c:697) 
[ 658.488497][ T6715] do_set_master (net/core/rtnetlink.c:2948) 
[ 658.488796][ T6715] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 658.489099][ T6715] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 658.489411][ T6715] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 658.489711][ T6715] ? __dev_get_by_name (net/core/dev.c:865) 
[ 658.490019][ T6715] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 658.490325][ T6715] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 658.490642][ T6715] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 658.490938][ T6715] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 658.491252][ T6715] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 658.491564][ T6715] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 658.491871][ T6715] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 658.492197][ T6715] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 658.492506][ T6715] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 658.492811][ T6715] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 658.493112][ T6715] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 658.493424][ T6715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 658.493731][ T6715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 658.494039][ T6715] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 658.494349][ T6715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 658.494658][ T6715] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 658.494973][ T6715] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 658.495295][ T6715] ? 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) 
[ 658.495599][ T6715] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 658.495901][ T6715] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 658.496214][ T6715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 658.496520][ T6715] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 658.496833][ T6715] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 658.497135][ T6715] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 658.497454][ T6715] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 658.497761][ T6715] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 658.498060][ T6715] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 658.498455][ T6715] ___sys_sendmsg (net/socket.c:2670) 
[ 658.498757][ T6715] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 658.499061][ T6715] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 658.499374][ T6715] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 658.499673][ T6715] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 658.499976][ T6715] ? __handle_mm_fault (mm/memory.c:6212) 
[ 658.500285][ T6715] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 658.500585][ T6715] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 658.500915][ T6715] __sys_sendmsg (net/socket.c:2700) 
[ 658.501230][ T6715] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 658.501531][ T6715] ? 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) 
[ 658.501839][ T6715] ? 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) 
[ 658.502142][ T6715] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 658.502457][ T6715] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 658.502761][ T6715] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  658.503133][ T6715] RIP: 0033:0x7f4a231521e7
[ 658.503458][ T6715] 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)
[  658.504539][ T6715] RSP: 002b:00007ffca39acab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  658.504992][ T6715] RAX: ffffffffffffffda RBX: 00007ffca39ad1f0 RCX: 00007f4a231521e7
[  658.505468][ T6715] RDX: 0000000000000000 RSI: 00007ffca39acb20 RDI: 0000000000000005
[  658.505920][ T6715] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  658.506382][ T6715] R10: 00007f4a231e0ac0 R11: 0000000000000246 R12: 00007ffca39ad228
[  658.506836][ T6715] R13: 00000000686e27f3 R14: 0000000000499600 R15: 00007ffca39acc10
| [  665.249751][ T6780] ------------[ cut here ]------------
| [ 665.250076][ T6780] WARNING: CPU: 0 PID: 6780 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) 
| [  665.250709][ T6780] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  665.251937][ T6780] Tainted: [W]=WARN
[  665.252194][ T6780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 665.252596][ T6780] 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) 
[ 665.252930][ T6780] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  665.254076][ T6780] RSP: 0018:ffffc90008737080 EFLAGS: 00010246
[  665.254488][ T6780] RAX: 0000000000000000 RBX: ffff88800f842000 RCX: 0000000000000001
[  665.254969][ T6780] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  665.255462][ T6780] RBP: ffffc90008737168 R08: 0000000000000000 R09: 0000000000000000
[  665.255939][ T6780] R10: ffffc90008737198 R11: ffffffffb318d1e0 R12: 1ffff920010e6e14
[  665.256424][ T6780] R13: 00000000000005dc R14: ffffc90008737198 R15: ffff88800f842f48
[  665.256907][ T6780] FS:  00007f2fc8e9d800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  665.257473][ T6780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  665.257877][ T6780] CR2: 00007f1f87f00970 CR3: 0000000016429002 CR4: 0000000000772ef0
[  665.258364][ T6780] PKRU: 55555554
[  665.258604][ T6780] Call Trace:
[  665.258841][ T6780]  <TASK>
[ 665.259007][ T6780] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 665.259339][ T6780] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 665.259673][ T6780] netif_set_mtu (net/core/dev.c:9652) 
[ 665.259991][ T6780] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 665.260334][ T6780] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 665.260578][ T6780] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 665.260902][ T6780] br_add_if (net/bridge/br_if.c:697) 
[ 665.261153][ T6780] do_set_master (net/core/rtnetlink.c:2948) 
[ 665.261488][ T6780] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 665.261811][ T6780] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 665.262134][ T6780] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 665.262464][ T6780] ? __dev_get_by_name (net/core/dev.c:865) 
[ 665.262784][ T6780] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 665.263103][ T6780] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 665.263435][ T6780] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 665.263752][ T6780] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 665.264081][ T6780] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 665.264422][ T6780] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 665.264745][ T6780] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 665.265076][ T6780] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 665.265408][ T6780] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 665.265729][ T6780] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 665.266048][ T6780] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 665.266388][ T6780] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 665.266715][ T6780] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 665.267049][ T6780] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 665.267380][ T6780] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 665.267704][ T6780] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 665.268035][ T6780] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 665.268363][ T6780] ? 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) 
[ 665.268692][ T6780] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 665.269014][ T6780] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 665.269342][ T6780] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 665.269672][ T6780] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 665.269993][ T6780] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 665.270321][ T6780] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 665.270651][ T6780] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 665.270972][ T6780] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 665.271309][ T6780] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 665.271722][ T6780] ___sys_sendmsg (net/socket.c:2670) 
[ 665.272043][ T6780] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 665.272375][ T6780] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 665.272699][ T6780] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 665.273016][ T6780] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 665.273362][ T6780] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 665.273693][ T6780] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 665.274018][ T6780] __sys_sendmsg (net/socket.c:2700) 
[ 665.274344][ T6780] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 665.274676][ T6780] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 665.274998][ T6780] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 665.275341][ T6780] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  665.275737][ T6780] RIP: 0033:0x7f2fc906a1e7
[ 665.276070][ T6780] 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)
[  665.277217][ T6780] RSP: 002b:00007fff8e5cc2b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  665.277704][ T6780] RAX: ffffffffffffffda RBX: 00007fff8e5cc9f0 RCX: 00007f2fc906a1e7
[  665.278195][ T6780] RDX: 0000000000000000 RSI: 00007fff8e5cc320 RDI: 0000000000000005
[  665.278673][ T6780] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  665.279149][ T6780] R10: 00007f2fc90f8ac0 R11: 0000000000000246 R12: 00007fff8e5cca28
[  665.279642][ T6780] R13: 00000000686e27f9 R14: 0000000000499600 R15: 00007fff8e5cc410
| [  669.128431][ T6810] ------------[ cut here ]------------
| [ 669.128741][ T6810] WARNING: CPU: 0 PID: 6810 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) 
| [  669.130107][ T6810] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  669.131292][ T6810] Tainted: [W]=WARN
[  669.131521][ T6810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 669.131898][ T6810] 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) 
[ 669.132217][ T6810] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  669.133326][ T6810] RSP: 0018:ffffc90008407080 EFLAGS: 00010246
[  669.133712][ T6810] RAX: 0000000000000000 RBX: ffff88800c442000 RCX: 0000000000000001
[  669.134159][ T6810] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  669.134616][ T6810] RBP: ffffc90008407168 R08: 0000000000000000 R09: 0000000000000000
[  669.135070][ T6810] R10: ffffc90008407198 R11: ffffffffb318d1e0 R12: 1ffff92001080e14
[  669.135542][ T6810] R13: 00000000000005dc R14: ffffc90008407198 R15: ffff88800c442f48
[  669.135994][ T6810] FS:  00007f80d71b4800(0000) GS:ffff8880b0b99000(0000) knlGS:0000000000000000
[  669.136530][ T6810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  669.136911][ T6810] CR2: 00007f80d739fba0 CR3: 0000000013bcf005 CR4: 0000000000772ef0
[  669.137387][ T6810] PKRU: 55555554
[  669.137621][ T6810] Call Trace:
[  669.137845][ T6810]  <TASK>
[ 669.138002][ T6810] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 669.138313][ T6810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 669.138626][ T6810] netif_set_mtu (net/core/dev.c:9652) 
[ 669.138926][ T6810] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 669.139252][ T6810] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 669.139488][ T6810] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 669.139793][ T6810] br_add_if (net/bridge/br_if.c:697) 
[ 669.140032][ T6810] do_set_master (net/core/rtnetlink.c:2948) 
[ 669.140340][ T6810] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 669.140645][ T6810] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 669.140947][ T6810] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 669.141264][ T6810] ? __dev_get_by_name (net/core/dev.c:865) 
[ 669.141576][ T6810] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 669.141875][ T6810] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 669.142193][ T6810] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 669.142492][ T6810] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 669.142797][ T6810] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 669.143108][ T6810] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 669.143427][ T6810] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 669.143740][ T6810] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 669.144043][ T6810] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 669.144354][ T6810] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 669.144655][ T6810] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 669.144956][ T6810] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 669.145287][ T6810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 669.145596][ T6810] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 669.145894][ T6810] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 669.146205][ T6810] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 669.146524][ T6810] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 669.146825][ T6810] ? 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) 
[ 669.147126][ T6810] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 669.147438][ T6810] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 669.147737][ T6810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 669.148041][ T6810] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 669.148352][ T6810] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 669.148657][ T6810] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 669.148962][ T6810] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 669.149282][ T6810] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 669.149584][ T6810] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 669.149970][ T6810] ___sys_sendmsg (net/socket.c:2670) 
[ 669.150281][ T6810] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 669.150586][ T6810] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 669.150896][ T6810] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 669.151203][ T6810] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 669.151510][ T6810] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 669.151819][ T6810] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 669.152125][ T6810] __sys_sendmsg (net/socket.c:2700) 
[ 669.152433][ T6810] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 669.152748][ T6810] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 669.153055][ T6810] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 669.153375][ T6810] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  669.153750][ T6810] RIP: 0033:0x7f80d73811e7
[ 669.154060][ T6810] 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)
[  669.155152][ T6810] RSP: 002b:00007ffc1963e9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  669.155619][ T6810] RAX: ffffffffffffffda RBX: 00007ffc1963f0f0 RCX: 00007f80d73811e7
[  669.156067][ T6810] RDX: 0000000000000000 RSI: 00007ffc1963ea20 RDI: 0000000000000005
[  669.156522][ T6810] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  669.156972][ T6810] R10: 00007f80d740fac0 R11: 0000000000000246 R12: 00007ffc1963f128
[  669.157443][ T6810] R13: 00000000686e27fd R14: 0000000000499600 R15: 00007ffc1963eb10
| [  683.841787][ T6911] ------------[ cut here ]------------
| [ 683.842114][ T6911] WARNING: CPU: 2 PID: 6911 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) 
| [  683.842736][ T6911] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  683.843960][ T6911] Tainted: [W]=WARN
[  683.844213][ T6911] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 683.844613][ T6911] 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) 
[ 683.844941][ T6911] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  683.846050][ T6911] RSP: 0018:ffffc90009a67080 EFLAGS: 00010246
[  683.846452][ T6911] RAX: 0000000000000000 RBX: ffff88800a282000 RCX: 0000000000000001
[  683.846916][ T6911] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  683.847406][ T6911] RBP: ffffc90009a67168 R08: 0000000000000000 R09: 0000000000000000
[  683.847878][ T6911] R10: ffffc90009a67198 R11: ffffffffb318d1e0 R12: 1ffff9200134ce14
[  683.848352][ T6911] R13: 00000000000005dc R14: ffffc90009a67198 R15: ffff88800a282f48
[  683.848814][ T6911] FS:  00007f525b462800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  683.849369][ T6911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  683.849760][ T6911] CR2: 000000000043d940 CR3: 00000000164f5002 CR4: 0000000000772ef0
[  683.850235][ T6911] PKRU: 55555554
[  683.850473][ T6911] Call Trace:
[  683.850712][ T6911]  <TASK>
[ 683.850883][ T6911] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 683.851226][ T6911] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 683.851560][ T6911] netif_set_mtu (net/core/dev.c:9652) 
[ 683.851875][ T6911] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 683.852214][ T6911] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 683.852463][ T6911] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 683.852780][ T6911] br_add_if (net/bridge/br_if.c:697) 
[ 683.853034][ T6911] do_set_master (net/core/rtnetlink.c:2948) 
[ 683.853357][ T6911] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 683.853676][ T6911] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 683.854000][ T6911] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 683.854322][ T6911] ? __dev_get_by_name (net/core/dev.c:865) 
[ 683.854641][ T6911] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 683.854954][ T6911] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 683.855304][ T6911] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 683.855622][ T6911] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 683.855941][ T6911] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 683.856286][ T6911] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 683.856606][ T6911] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 683.856932][ T6911] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 683.857258][ T6911] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 683.857577][ T6911] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 683.857891][ T6911] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 683.858272][ T6911] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 683.858596][ T6911] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 683.858923][ T6911] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 683.859262][ T6911] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 683.859580][ T6911] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 683.859908][ T6911] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 683.860234][ T6911] ? 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) 
[ 683.860553][ T6911] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 683.860875][ T6911] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 683.861206][ T6911] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 683.861526][ T6911] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 683.861846][ T6911] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 683.862161][ T6911] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 683.862494][ T6911] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 683.862812][ T6911] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 683.863125][ T6911] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 683.863547][ T6911] ___sys_sendmsg (net/socket.c:2670) 
[ 683.863869][ T6911] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 683.864192][ T6911] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 683.864518][ T6911] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 683.864829][ T6911] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 683.865149][ T6911] ? __handle_mm_fault (mm/memory.c:6212) 
[ 683.865488][ T6911] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 683.865801][ T6911] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 683.866137][ T6911] __sys_sendmsg (net/socket.c:2700) 
[ 683.866462][ T6911] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 683.866777][ T6911] ? 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) 
[ 683.867099][ T6911] ? 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) 
[ 683.867433][ T6911] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 683.867764][ T6911] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 683.868079][ T6911] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  683.868477][ T6911] RIP: 0033:0x7f525b62f1e7
[ 683.868799][ T6911] 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)
[  683.869892][ T6911] RSP: 002b:00007ffe4d1b7ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  683.870373][ T6911] RAX: ffffffffffffffda RBX: 00007ffe4d1b8210 RCX: 00007f525b62f1e7
[  683.870838][ T6911] RDX: 0000000000000000 RSI: 00007ffe4d1b7b40 RDI: 0000000000000005
[  683.871317][ T6911] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  683.871789][ T6911] R10: 00007f525b6bdac0 R11: 0000000000000246 R12: 00007ffe4d1b8248
[  683.872274][ T6911] R13: 00000000686e280c R14: 0000000000499600 R15: 00007ffe4d1b7c30
| [  687.873695][ T6941] ------------[ cut here ]------------
| [ 687.873998][ T6941] WARNING: CPU: 3 PID: 6941 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  687.874621][ T6941] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  687.875807][ T6941] Tainted: [W]=WARN
[  687.876036][ T6941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 687.876425][ T6941] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 687.876743][ T6941] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  687.877848][ T6941] RSP: 0018:ffffc90009587080 EFLAGS: 00010246
[  687.878571][ T6941] RAX: 0000000000000000 RBX: ffff88800f842000 RCX: 0000000000000001
[  687.879034][ T6941] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  687.879490][ T6941] RBP: ffffc90009587168 R08: 0000000000000000 R09: 0000000000000000
[  687.879950][ T6941] R10: ffffc90009587198 R11: ffffffffb318d1e0 R12: 1ffff920012b0e14
[  687.880407][ T6941] R13: 00000000000005dc R14: ffffc90009587198 R15: ffff88800f842f48
[  687.880858][ T6941] FS:  00007fce3afb7800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  687.881403][ T6941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  687.881816][ T6941] CR2: 000000000043d940 CR3: 00000000099d6003 CR4: 0000000000772ef0
[  687.882284][ T6941] PKRU: 55555554
[  687.882512][ T6941] Call Trace:
[  687.882742][ T6941]  <TASK>
[ 687.882903][ T6941] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 687.883213][ T6941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 687.883531][ T6941] netif_set_mtu (net/core/dev.c:9652) 
[ 687.883832][ T6941] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 687.884159][ T6941] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 687.884400][ T6941] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 687.884712][ T6941] br_add_if (net/bridge/br_if.c:697) 
[ 687.884952][ T6941] do_set_master (net/core/rtnetlink.c:2948) 
[ 687.885279][ T6941] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 687.885592][ T6941] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 687.885899][ T6941] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 687.886217][ T6941] ? __dev_get_by_name (net/core/dev.c:865) 
[ 687.886520][ T6941] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 687.886821][ T6941] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 687.887131][ T6941] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 687.887437][ T6941] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 687.887744][ T6941] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 687.888061][ T6941] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 687.888376][ T6941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 687.888696][ T6941] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 687.888997][ T6941] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 687.889319][ T6941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 687.889629][ T6941] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 687.889932][ T6941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 687.890266][ T6941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 687.890575][ T6941] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 687.890878][ T6941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 687.891201][ T6941] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 687.891514][ T6941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 687.891814][ T6941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 687.892118][ T6941] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 687.892432][ T6941] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 687.892731][ T6941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 687.893040][ T6941] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 687.893369][ T6941] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 687.893672][ T6941] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 687.893981][ T6941] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 687.894295][ T6941] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 687.894596][ T6941] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 687.894987][ T6941] ___sys_sendmsg (net/socket.c:2670) 
[ 687.895302][ T6941] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 687.895614][ T6941] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 687.895922][ T6941] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 687.896228][ T6941] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 687.896535][ T6941] ? __handle_mm_fault (mm/memory.c:6212) 
[ 687.896837][ T6941] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 687.897134][ T6941] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 687.897486][ T6941] __sys_sendmsg (net/socket.c:2700) 
[ 687.897790][ T6941] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 687.898092][ T6941] ? 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) 
[ 687.898411][ T6941] ? 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) 
[ 687.898715][ T6941] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 687.899019][ T6941] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 687.899329][ T6941] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  687.899710][ T6941] RIP: 0033:0x7fce3b1841e7
[ 687.900021][ T6941] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  687.901106][ T6941] RSP: 002b:00007ffd1e04e028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  687.901578][ T6941] RAX: ffffffffffffffda RBX: 00007ffd1e04e760 RCX: 00007fce3b1841e7
[  687.902039][ T6941] RDX: 0000000000000000 RSI: 00007ffd1e04e090 RDI: 0000000000000005
[  687.902504][ T6941] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  687.902956][ T6941] R10: 00007fce3b212ac0 R11: 0000000000000246 R12: 00007ffd1e04e798
[  687.903412][ T6941] R13: 00000000686e2810 R14: 0000000000499600 R15: 00007ffd1e04e180
| [  694.921570][ T7006] ------------[ cut here ]------------
| [ 694.921926][ T7006] WARNING: CPU: 2 PID: 7006 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) 
| [  694.922597][ T7006] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  694.923908][ T7006] Tainted: [W]=WARN
[  694.924175][ T7006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 694.924621][ T7006] 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) 
[ 694.924971][ T7006] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  694.926169][ T7006] RSP: 0018:ffffc90009447080 EFLAGS: 00010246
[  694.926646][ T7006] RAX: 0000000000000000 RBX: ffff888017282000 RCX: 0000000000000001
[  694.927177][ T7006] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  694.927745][ T7006] RBP: ffffc90009447168 R08: 0000000000000000 R09: 0000000000000000
[  694.928332][ T7006] R10: ffffc90009447198 R11: ffffffffb318d1e0 R12: 1ffff92001288e14
[  694.928920][ T7006] R13: 00000000000005dc R14: ffffc90009447198 R15: ffff888017282f48
[  694.929553][ T7006] FS:  00007f8f5f091800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  694.930223][ T7006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  694.930737][ T7006] CR2: 00007f8f5f191130 CR3: 0000000013914002 CR4: 0000000000772ef0
[  694.931319][ T7006] PKRU: 55555554
[  694.931562][ T7006] Call Trace:
[  694.931858][ T7006]  <TASK>
[ 694.932058][ T7006] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 694.932447][ T7006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.932891][ T7006] netif_set_mtu (net/core/dev.c:9652) 
[ 694.933281][ T7006] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 694.933705][ T7006] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 694.934018][ T7006] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 694.934425][ T7006] br_add_if (net/bridge/br_if.c:697) 
[ 694.934977][ T7006] do_set_master (net/core/rtnetlink.c:2948) 
[ 694.935356][ T7006] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 694.935823][ T7006] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 694.936209][ T7006] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 694.936554][ T7006] ? __dev_get_by_name (net/core/dev.c:865) 
[ 694.936898][ T7006] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 694.937253][ T7006] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 694.937610][ T7006] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 694.937952][ T7006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 694.938401][ T7006] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 694.938776][ T7006] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 694.939173][ T7006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 694.939523][ T7006] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 694.939836][ T7006] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 694.940160][ T7006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 694.940642][ T7006] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 694.941198][ T7006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 694.941751][ T7006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.942289][ T7006] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 694.942791][ T7006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 694.943344][ T7006] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 694.943852][ T7006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 694.944507][ T7006] ? 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) 
[ 694.945019][ T7006] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 694.945454][ T7006] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 694.945926][ T7006] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.946468][ T7006] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 694.946885][ T7006] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 694.947350][ T7006] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 694.947852][ T7006] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 694.948237][ T7006] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 694.948787][ T7006] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 694.949292][ T7006] ___sys_sendmsg (net/socket.c:2670) 
[ 694.949866][ T7006] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 694.950214][ T7006] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 694.950734][ T7006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 694.951114][ T7006] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 694.951525][ T7006] ? __handle_mm_fault (mm/memory.c:6212) 
[ 694.951921][ T7006] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 694.952338][ T7006] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 694.952743][ T7006] __sys_sendmsg (net/socket.c:2700) 
[ 694.953136][ T7006] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 694.953511][ T7006] ? 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) 
[ 694.953895][ T7006] ? 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) 
[ 694.954326][ T7006] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 694.954698][ T7006] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 694.955069][ T7006] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  694.955530][ T7006] RIP: 0033:0x7f8f5f25e1e7
[ 694.955945][ T7006] 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)
[  694.957202][ T7006] RSP: 002b:00007fffe856a6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  694.957882][ T7006] RAX: ffffffffffffffda RBX: 00007fffe856adf0 RCX: 00007f8f5f25e1e7
[  694.958429][ T7006] RDX: 0000000000000000 RSI: 00007fffe856a720 RDI: 0000000000000005
[  694.958942][ T7006] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  694.959493][ T7006] R10: 00007f8f5f2ecac0 R11: 0000000000000246 R12: 00007fffe856ae28
[  694.960087][ T7006] R13: 00000000686e2817 R14: 0000000000499600 R15: 00007fffe856a810
| [  699.082722][ T7036] ------------[ cut here ]------------
| [ 699.083078][ T7036] WARNING: CPU: 3 PID: 7036 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) 
| [  699.085058][ T7036] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  699.086296][ T7036] Tainted: [W]=WARN
[  699.086531][ T7036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 699.086919][ T7036] 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) 
[ 699.087249][ T7036] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  699.088367][ T7036] RSP: 0018:ffffc900092e7080 EFLAGS: 00010246
[  699.088782][ T7036] RAX: 0000000000000000 RBX: ffff888012242000 RCX: 0000000000000001
[  699.089241][ T7036] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  699.089698][ T7036] RBP: ffffc900092e7168 R08: 0000000000000000 R09: 0000000000000000
[  699.090177][ T7036] R10: ffffc900092e7198 R11: ffffffffb318d1e0 R12: 1ffff9200125ce14
[  699.090661][ T7036] R13: 00000000000005dc R14: ffffc900092e7198 R15: ffff888012242f48
[  699.091112][ T7036] FS:  00007f1c65bf0800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  699.091658][ T7036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  699.092042][ T7036] CR2: 00007f1c65cf0130 CR3: 000000000fb1c005 CR4: 0000000000772ef0
[  699.092563][ T7036] PKRU: 55555554
[  699.092805][ T7036] Call Trace:
[  699.093034][ T7036]  <TASK>
[ 699.093203][ T7036] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 699.093535][ T7036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 699.093858][ T7036] netif_set_mtu (net/core/dev.c:9652) 
[ 699.094164][ T7036] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 699.094502][ T7036] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 699.094755][ T7036] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 699.095063][ T7036] br_add_if (net/bridge/br_if.c:697) 
[ 699.095339][ T7036] do_set_master (net/core/rtnetlink.c:2948) 
[ 699.095646][ T7036] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 699.095952][ T7036] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 699.096292][ T7036] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 699.096594][ T7036] ? __dev_get_by_name (net/core/dev.c:865) 
[ 699.096904][ T7036] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 699.097222][ T7036] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 699.097563][ T7036] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 699.097864][ T7036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 699.098171][ T7036] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 699.098506][ T7036] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 699.098820][ T7036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 699.099133][ T7036] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 699.099463][ T7036] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 699.099769][ T7036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 699.100078][ T7036] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 699.100397][ T7036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 699.100703][ T7036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 699.101012][ T7036] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 699.101325][ T7036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 699.101632][ T7036] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 699.101953][ T7036] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 699.102291][ T7036] ? 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) 
[ 699.102597][ T7036] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 699.102903][ T7036] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 699.103237][ T7036] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 699.103549][ T7036] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 699.103853][ T7036] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 699.104157][ T7036] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 699.104486][ T7036] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 699.104816][ T7036] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 699.105114][ T7036] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 699.105521][ T7036] ___sys_sendmsg (net/socket.c:2670) 
[ 699.105829][ T7036] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 699.106154][ T7036] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 699.106482][ T7036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 699.106793][ T7036] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 699.107100][ T7036] ? __handle_mm_fault (mm/memory.c:6212) 
[ 699.107412][ T7036] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 699.107713][ T7036] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 699.108034][ T7036] __sys_sendmsg (net/socket.c:2700) 
[ 699.108348][ T7036] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 699.108683][ T7036] ? 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) 
[ 699.109001][ T7036] ? 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) 
[ 699.109316][ T7036] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 699.109623][ T7036] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 699.109956][ T7036] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  699.110355][ T7036] RIP: 0033:0x7f1c65dbd1e7
[ 699.110686][ T7036] 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)
[  699.111801][ T7036] RSP: 002b:00007ffda83b66f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  699.112270][ T7036] RAX: ffffffffffffffda RBX: 00007ffda83b6e30 RCX: 00007f1c65dbd1e7
[  699.112724][ T7036] RDX: 0000000000000000 RSI: 00007ffda83b6760 RDI: 0000000000000005
[  699.113197][ T7036] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  699.113654][ T7036] R10: 00007f1c65e4bac0 R11: 0000000000000246 R12: 00007ffda83b6e68
[  699.114115][ T7036] R13: 00000000686e281b R14: 0000000000499600 R15: 00007ffda83b6850
| [  764.241911][ T7398] ------------[ cut here ]------------
| [ 764.242262][ T7398] WARNING: CPU: 2 PID: 7398 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) 
| [  764.242887][ T7398] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  764.244107][ T7398] Tainted: [W]=WARN
[  764.244362][ T7398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 764.244752][ T7398] 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) 
[ 764.245088][ T7398] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  764.246204][ T7398] RSP: 0018:ffffc900084c7080 EFLAGS: 00010246
[  764.246600][ T7398] RAX: 0000000000000000 RBX: ffff88801754a000 RCX: 0000000000000001
[  764.247077][ T7398] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  764.247565][ T7398] RBP: ffffc900084c7168 R08: 0000000000000000 R09: 0000000000000000
[  764.248027][ T7398] R10: ffffc900084c7198 R11: ffffffffb318d1e0 R12: 1ffff92001098e14
[  764.248541][ T7398] R13: 00000000000005dc R14: ffffc900084c7198 R15: ffff88801754af48
[  764.249104][ T7398] FS:  00007f5423a3b800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  764.249708][ T7398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  764.250103][ T7398] CR2: 000000000043d940 CR3: 000000000a365003 CR4: 0000000000772ef0
[  764.250582][ T7398] PKRU: 55555554
[  764.250824][ T7398] Call Trace:
[  764.251061][ T7398]  <TASK>
[ 764.251256][ T7398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 764.251592][ T7398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 764.251925][ T7398] netif_set_mtu (net/core/dev.c:9652) 
[ 764.252251][ T7398] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 764.252582][ T7398] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 764.252825][ T7398] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 764.253146][ T7398] br_add_if (net/bridge/br_if.c:697) 
[ 764.253410][ T7398] do_set_master (net/core/rtnetlink.c:2948) 
[ 764.253732][ T7398] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 764.254052][ T7398] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 764.254379][ T7398] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 764.254696][ T7398] ? __dev_get_by_name (net/core/dev.c:865) 
[ 764.255013][ T7398] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 764.255358][ T7398] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 764.255691][ T7398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 764.256005][ T7398] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 764.256347][ T7398] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 764.256688][ T7398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 764.257006][ T7398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 764.257348][ T7398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 764.257658][ T7398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 764.257977][ T7398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 764.258303][ T7398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 764.258629][ T7398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 764.258947][ T7398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 764.259291][ T7398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 764.259616][ T7398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 764.259932][ T7398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 764.260271][ T7398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 764.260587][ T7398] ? 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) 
[ 764.260910][ T7398] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 764.261238][ T7398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 764.261549][ T7398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 764.261880][ T7398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 764.262208][ T7398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 764.262523][ T7398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 764.262846][ T7398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 764.263163][ T7398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 764.263510][ T7398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 764.263913][ T7398] ___sys_sendmsg (net/socket.c:2670) 
[ 764.264242][ T7398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 764.264562][ T7398] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 764.264882][ T7398] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 764.265209][ T7398] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 764.265551][ T7398] ? __handle_mm_fault (mm/memory.c:6212) 
[ 764.265867][ T7398] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 764.266190][ T7398] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 764.266531][ T7398] __sys_sendmsg (net/socket.c:2700) 
[ 764.266848][ T7398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 764.267162][ T7398] ? 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) 
[ 764.267513][ T7398] ? 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) 
[ 764.267845][ T7398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 764.268167][ T7398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 764.268494][ T7398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  764.268882][ T7398] RIP: 0033:0x7f5423c081e7
[ 764.269219][ T7398] 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)
[  764.270332][ T7398] RSP: 002b:00007ffd7bf67868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  764.270799][ T7398] RAX: ffffffffffffffda RBX: 00007ffd7bf67fa0 RCX: 00007f5423c081e7
[  764.271288][ T7398] RDX: 0000000000000000 RSI: 00007ffd7bf678d0 RDI: 0000000000000005
[  764.271761][ T7398] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  764.272248][ T7398] R10: 00007f5423c96ac0 R11: 0000000000000246 R12: 00007ffd7bf67fd8
[  764.272716][ T7398] R13: 00000000686e285c R14: 0000000000499600 R15: 00007ffd7bf679c0
| [  768.396377][ T7428] ------------[ cut here ]------------
| [ 768.396686][ T7428] WARNING: CPU: 1 PID: 7428 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) 
| [  768.397294][ T7428] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  768.398465][ T7428] Tainted: [W]=WARN
[  768.398696][ T7428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 768.399073][ T7428] 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) 
[ 768.399391][ T7428] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  768.400484][ T7428] RSP: 0018:ffffc900072a7080 EFLAGS: 00010246
[  768.400869][ T7428] RAX: 0000000000000000 RBX: ffff88800987a000 RCX: 0000000000000001
[  768.401333][ T7428] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  768.401798][ T7428] RBP: ffffc900072a7168 R08: 0000000000000000 R09: 0000000000000000
[  768.402281][ T7428] R10: ffffc900072a7198 R11: ffffffffb318d1e0 R12: 1ffff92000e54e14
[  768.402732][ T7428] R13: 00000000000005dc R14: ffffc900072a7198 R15: ffff88800987af48
[  768.403197][ T7428] FS:  00007fae31baf800(0000) GS:ffff8880b0c19000(0000) knlGS:0000000000000000
[  768.403745][ T7428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  768.404139][ T7428] CR2: 000000000043d940 CR3: 0000000017528005 CR4: 0000000000772ef0
[  768.404699][ T7428] PKRU: 55555554
[  768.404985][ T7428] Call Trace:
[  768.405223][ T7428]  <TASK>
[ 768.405386][ T7428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 768.405692][ T7428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 768.406017][ T7428] netif_set_mtu (net/core/dev.c:9652) 
[ 768.406330][ T7428] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 768.406647][ T7428] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 768.406877][ T7428] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 768.407196][ T7428] br_add_if (net/bridge/br_if.c:697) 
[ 768.407440][ T7428] do_set_master (net/core/rtnetlink.c:2948) 
[ 768.407741][ T7428] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 768.408046][ T7428] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 768.408368][ T7428] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 768.408667][ T7428] ? __dev_get_by_name (net/core/dev.c:865) 
[ 768.408968][ T7428] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 768.409281][ T7428] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 768.409589][ T7428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 768.409888][ T7428] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 768.410203][ T7428] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 768.410527][ T7428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 768.410836][ T7428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 768.411152][ T7428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 768.411467][ T7428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 768.411771][ T7428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 768.412072][ T7428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 768.412386][ T7428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 768.412694][ T7428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 768.413007][ T7428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 768.413326][ T7428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 768.413631][ T7428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 768.413944][ T7428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 768.414254][ T7428] ? 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) 
[ 768.414563][ T7428] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 768.414869][ T7428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 768.415177][ T7428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 768.415513][ T7428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 768.415824][ T7428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 768.416126][ T7428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 768.416444][ T7428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 768.416750][ T7428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 768.417052][ T7428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 768.417457][ T7428] ___sys_sendmsg (net/socket.c:2670) 
[ 768.417769][ T7428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 768.418074][ T7428] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 768.418388][ T7428] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 768.418689][ T7428] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 768.418999][ T7428] ? __handle_mm_fault (mm/memory.c:6212) 
[ 768.419316][ T7428] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 768.419625][ T7428] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 768.419947][ T7428] __sys_sendmsg (net/socket.c:2700) 
[ 768.420262][ T7428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 768.420565][ T7428] ? 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) 
[ 768.420881][ T7428] ? 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) 
[ 768.421203][ T7428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 768.421511][ T7428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 768.421824][ T7428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  768.422215][ T7428] RIP: 0033:0x7fae31d7c1e7
[ 768.422533][ T7428] 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)
[  768.423627][ T7428] RSP: 002b:00007ffeaa1ca968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  768.424094][ T7428] RAX: ffffffffffffffda RBX: 00007ffeaa1cb0a0 RCX: 00007fae31d7c1e7
[  768.424557][ T7428] RDX: 0000000000000000 RSI: 00007ffeaa1ca9d0 RDI: 0000000000000005
[  768.425011][ T7428] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  768.425485][ T7428] R10: 00007fae31e0aac0 R11: 0000000000000246 R12: 00007ffeaa1cb0d8
[  768.425955][ T7428] R13: 00000000686e2860 R14: 0000000000499600 R15: 00007ffeaa1caac0
| [  775.386497][ T7494] ------------[ cut here ]------------
| [ 775.386830][ T7494] WARNING: CPU: 2 PID: 7494 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) 
| [  775.387456][ T7494] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  775.388658][ T7494] Tainted: [W]=WARN
[  775.388900][ T7494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 775.389303][ T7494] 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) 
[ 775.389641][ T7494] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  775.390738][ T7494] RSP: 0018:ffffc900089a7080 EFLAGS: 00010246
[  775.391130][ T7494] RAX: 0000000000000000 RBX: ffff88800e49a000 RCX: 0000000000000001
[  775.391609][ T7494] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  775.392069][ T7494] RBP: ffffc900089a7168 R08: 0000000000000000 R09: 0000000000000000
[  775.392543][ T7494] R10: ffffc900089a7198 R11: ffffffffb318d1e0 R12: 1ffff92001134e14
[  775.393006][ T7494] R13: 00000000000005dc R14: ffffc900089a7198 R15: ffff88800e49af48
[  775.393494][ T7494] FS:  00007f6740af3800(0000) GS:ffff8880b0c99000(0000) knlGS:0000000000000000
[  775.394036][ T7494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  775.394584][ T7494] CR2: 00007f6740cdeba0 CR3: 000000000ccaa005 CR4: 0000000000772ef0
[  775.395221][ T7494] PKRU: 55555554
[  775.395604][ T7494] Call Trace:
[  775.396009][ T7494]  <TASK>
[ 775.396370][ T7494] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 775.396906][ T7494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 775.397306][ T7494] netif_set_mtu (net/core/dev.c:9652) 
[ 775.397620][ T7494] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 775.397949][ T7494] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 775.398228][ T7494] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 775.398553][ T7494] br_add_if (net/bridge/br_if.c:697) 
[ 775.398803][ T7494] do_set_master (net/core/rtnetlink.c:2948) 
[ 775.399121][ T7494] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 775.399453][ T7494] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 775.399771][ T7494] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 775.400085][ T7494] ? __dev_get_by_name (net/core/dev.c:865) 
[ 775.400409][ T7494] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 775.400725][ T7494] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 775.401043][ T7494] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 775.401375][ T7494] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 775.401703][ T7494] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 775.402032][ T7494] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 775.402366][ T7494] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 775.402701][ T7494] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 775.403011][ T7494] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 775.403345][ T7494] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 775.403659][ T7494] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 775.403984][ T7494] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 775.404310][ T7494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 775.404631][ T7494] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 775.404946][ T7494] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 775.405283][ T7494] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 775.405630][ T7494] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 775.405946][ T7494] ? 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) 
[ 775.406281][ T7494] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 775.406602][ T7494] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 775.406915][ T7494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 775.407245][ T7494] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 775.407563][ T7494] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 775.407879][ T7494] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 775.408207][ T7494] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 775.408524][ T7494] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 775.408843][ T7494] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 775.409264][ T7494] ___sys_sendmsg (net/socket.c:2670) 
[ 775.409589][ T7494] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 775.409907][ T7494] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 775.410233][ T7494] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 775.410547][ T7494] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 775.410869][ T7494] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 775.411202][ T7494] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 775.411522][ T7494] __sys_sendmsg (net/socket.c:2700) 
[ 775.411836][ T7494] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 775.412161][ T7494] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 775.412489][ T7494] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 775.412806][ T7494] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  775.413210][ T7494] RIP: 0033:0x7f6740cc01e7
[ 775.413545][ T7494] 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)
[  775.414642][ T7494] RSP: 002b:00007ffff95a3398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  775.415111][ T7494] RAX: ffffffffffffffda RBX: 00007ffff95a3ad0 RCX: 00007f6740cc01e7
[  775.415602][ T7494] RDX: 0000000000000000 RSI: 00007ffff95a3400 RDI: 0000000000000005
[  775.416065][ T7494] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  775.416539][ T7494] R10: 00007f6740d4eac0 R11: 0000000000000246 R12: 00007ffff95a3b08
[  775.417003][ T7494] R13: 00000000686e2867 R14: 0000000000499600 R15: 00007ffff95a34f0
| [  779.805039][ T7524] ------------[ cut here ]------------
| [ 779.805431][ T7524] WARNING: CPU: 3 PID: 7524 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) 
| [  779.806122][ T7524] Modules linked in: sctp netdevsim psample act_gact cls_flower sch_ingress vxlan
| [  779.807403][ T7524] Tainted: [W]=WARN
[  779.807658][ T7524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 779.808064][ T7524] 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) 
[ 779.808420][ T7524] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  779.809540][ T7524] RSP: 0018:ffffc90008297080 EFLAGS: 00010246
[  779.809927][ T7524] RAX: 0000000000000000 RBX: ffff888016892000 RCX: 0000000000000001
[  779.810473][ T7524] RDX: 0000000000000000 RSI: ffffffffb2710759 RDI: ffffffffb1e58280
[  779.810929][ T7524] RBP: ffffc90008297168 R08: 0000000000000000 R09: 0000000000000000
[  779.811387][ T7524] R10: ffffc90008297198 R11: ffffffffb318d1e0 R12: 1ffff92001052e14
[  779.811842][ T7524] R13: 00000000000005dc R14: ffffc90008297198 R15: ffff888016892f48
[  779.812322][ T7524] FS:  00007f3e049c0800(0000) GS:ffff8880b0d19000(0000) knlGS:0000000000000000
[  779.812875][ T7524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  779.813265][ T7524] CR2: 00007f3e04ac0130 CR3: 000000000f8bf004 CR4: 0000000000772ef0
[  779.813789][ T7524] PKRU: 55555554
[  779.814037][ T7524] Call Trace:
[  779.814337][ T7524]  <TASK>
[ 779.814505][ T7524] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 779.814816][ T7524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 779.815139][ T7524] netif_set_mtu (net/core/dev.c:9652) 
[ 779.815478][ T7524] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 779.815810][ T7524] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 779.816045][ T7524] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 779.816376][ T7524] br_add_if (net/bridge/br_if.c:697) 
[ 779.816624][ T7524] do_set_master (net/core/rtnetlink.c:2948) 
[ 779.816950][ T7524] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 779.817264][ T7524] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 779.817628][ T7524] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 779.817932][ T7524] ? __dev_get_by_name (net/core/dev.c:865) 
[ 779.818272][ T7524] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 779.818605][ T7524] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 779.818915][ T7524] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 779.819243][ T7524] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 779.819554][ T7524] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 779.819868][ T7524] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 779.820177][ T7524] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 779.820516][ T7524] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 779.820817][ T7524] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 779.821124][ T7524] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 779.821432][ T7524] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 779.821795][ T7524] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 779.822142][ T7524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 779.822465][ T7524] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 779.822769][ T7524] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 779.823081][ T7524] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 779.823404][ T7524] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 779.823703][ T7524] ? 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) 
[ 779.824020][ T7524] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 779.824354][ T7524] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 779.824693][ T7524] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 779.825005][ T7524] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 779.825334][ T7524] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 779.825671][ T7524] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 779.825982][ T7524] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 779.826339][ T7524] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 779.826644][ T7524] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 779.827031][ T7524] ___sys_sendmsg (net/socket.c:2670) 
[ 779.827347][ T7524] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 779.827714][ T7524] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 779.828023][ T7524] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 779.828357][ T7524] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 779.828700][ T7524] ? __handle_mm_fault (mm/memory.c:6212) 
[ 779.829065][ T7524] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 779.829380][ T7524] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 779.829708][ T7524] __sys_sendmsg (net/socket.c:2700) 
[ 779.830015][ T7524] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 779.830327][ T7524] ? 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) 
[ 779.830636][ T7524] ? 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) 
[ 779.830963][ T7524] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 779.831291][ T7524] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 779.831599][ T7524] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  779.831976][ T7524] RIP: 0033:0x7f3e04b8d1e7
[ 779.832311][ T7524] 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)
[  779.833460][ T7524] RSP: 002b:00007ffde0130fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  779.833977][ T7524] RAX: ffffffffffffffda RBX: 00007ffde01316e0 RCX: 00007f3e04b8d1e7
[  779.834444][ T7524] RDX: 0000000000000000 RSI: 00007ffde0131010 RDI: 0000000000000005
[  779.834899][ T7524] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  779.835379][ T7524] R10: 00007f3e04c1bac0 R11: 0000000000000246 R12: 00007ffde0131718


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