======================================
| xx__-> [   14.375466][  T250] ip (250) used greatest stack depth: 24080 bytes left
| [   17.089424][  T299] ------------[ cut here ]------------
| [ 17.089900][ T299] WARNING: CPU: 2 PID: 299 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   17.090989][  T299] Modules linked in: vrf veth
[   17.091913][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.092298][ T299] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 17.092601][ T299] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   17.093619][  T299] RSP: 0018:ffffc90000647140 EFLAGS: 00010246
[   17.093984][  T299] RAX: 0000000000000000 RBX: ffff888008bbc000 RCX: 0000000000000001
[   17.094427][  T299] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[   17.094855][  T299] RBP: ffffc90000647230 R08: ffff88800b50e800 R09: 0000000000000000
[   17.095298][  T299] R10: ffffc900006475c8 R11: ffffffffb3450668 R12: 1ffff920000c8e2c
[   17.095733][  T299] R13: 0000000000002710 R14: ffffc90000647880 R15: ffff88800bd18760
[   17.096225][  T299] FS:  00007fac14fc5800(0000) GS:ffff888081bb7000(0000) knlGS:0000000000000000
[   17.096916][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.097300][  T299] CR2: 00000000004e5aa0 CR3: 0000000009309005 CR4: 0000000000772ef0
[   17.097758][  T299] PKRU: 55555554
[   17.097986][  T299] Call Trace:
[   17.098220][  T299]  <TASK>
[ 17.098378][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.098676][ T299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.098976][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.099285][ T299] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.099581][ T299] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.099891][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.100209][ T299] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.100513][ T299] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.100889][ T299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.101211][ T299] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.101518][ T299] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.101823][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.102115][ T299] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 17.102428][ T299] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.102787][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.103079][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.103398][ T299] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.103708][ T299] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.104007][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.104342][ T299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.104643][ T299] ? __create_object (mm/kmemleak.c:771) 
[ 17.104962][ T299] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.105301][ T299] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.105603][ T299] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.105976][ T299] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.106321][ T299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.106634][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.106936][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.107263][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.107578][ T299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.107885][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.108206][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.108510][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.108824][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.109137][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.109456][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.109762][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.110060][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.110377][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.110668][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 17.110961][ T299] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.111264][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.111558][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.111851][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.112143][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.112445][ T299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.112743][ T299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.113039][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.113339][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.113704][ T299] ___sys_sendmsg (net/socket.c:2670) 
[ 17.113990][ T299] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.114288][ T299] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 17.114646][ T299] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.114939][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.115243][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.115551][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.115837][ T299] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.116142][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.116461][ T299] __sys_sendmsg (net/socket.c:2700) 
[ 17.116750][ T299] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.117107][ T299] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.117422][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.117724][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.118017][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.118381][  T299] RIP: 0033:0x7fac151921e7
[ 17.118686][ T299] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   17.119704][  T299] RSP: 002b:00007fffba687a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.120142][  T299] RAX: ffffffffffffffda RBX: 00007fffba688130 RCX: 00007fac151921e7
[   17.120581][  T299] RDX: 0000000000000000 RSI: 00007fffba687a70 RDI: 0000000000000005
[   17.121010][  T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   17.121467][  T299] R10: 00007fac1508fee8 R11: 0000000000000246 R12: 0000000000000004
[   17.121903][  T299] R13: 00000000686e1cc7 R14: 0000000000499600 R15: 0000000000000000
| [   19.569223][  T341] ------------[ cut here ]------------
| [ 19.569645][ T341] WARNING: CPU: 2 PID: 341 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.570227][  T341] Modules linked in: 8021q vrf veth
| [   19.571102][  T341] Tainted: [W]=WARN
[   19.571342][  T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.571712][ T341] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.572010][ T341] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.573320][  T341] RSP: 0018:ffffc90000677140 EFLAGS: 00010246
[   19.573686][  T341] RAX: 0000000000000000 RBX: ffff88800ab91000 RCX: 0000000000000001
[   19.574114][  T341] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[   19.574550][  T341] RBP: ffffc90000677230 R08: ffff888009608800 R09: 0000000000000000
[   19.575000][  T341] R10: ffffc900006775c8 R11: ffffffffb3450668 R12: 1ffff920000cee2c
[   19.575445][  T341] R13: 0000000000002710 R14: ffffc90000677880 R15: ffff88800bd11560
[   19.575871][  T341] FS:  00007f567f6d4800(0000) GS:ffff888081bb7000(0000) knlGS:0000000000000000
[   19.576399][  T341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.576765][  T341] CR2: 00000000004e5ab8 CR3: 000000000d3f6006 CR4: 0000000000772ef0
[   19.577209][  T341] PKRU: 55555554
[   19.577432][  T341] Call Trace:
[   19.577651][  T341]  <TASK>
[ 19.577804][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.578102][ T341] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.578406][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.578703][ T341] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.578994][ T341] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.579303][ T341] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.579601][ T341] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.579897][ T341] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.580274][ T341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.580564][ T341] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.580856][ T341] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.581151][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.581457][ T341] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 19.581751][ T341] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.582107][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.582417][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.582714][ T341] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.583002][ T341] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.583303][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.583595][ T341] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.583879][ T341] ? __create_object (mm/kmemleak.c:771) 
[ 19.584183][ T341] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.584475][ T341] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.584768][ T341] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.585124][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.585433][ T341] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.585727][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.586014][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.586331][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.586622][ T341] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.586911][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.587216][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.587504][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.587796][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.588091][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.588398][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.588693][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.588985][ T341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.589309][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.589599][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.589897][ T341] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.590202][ T341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.590493][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.590784][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.591075][ T341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.591376][ T341] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.591676][ T341] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.591971][ T341] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.592271][ T341] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.592637][ T341] ___sys_sendmsg (net/socket.c:2670) 
[ 19.592927][ T341] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.593225][ T341] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 19.593583][ T341] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.593880][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.594198][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.594495][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.594785][ T341] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.595073][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.595380][ T341] __sys_sendmsg (net/socket.c:2700) 
[ 19.595667][ T341] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.596017][ T341] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.596343][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.596636][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.596926][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.597295][  T341] RIP: 0033:0x7f567f8a11e7
[ 19.597593][ T341] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   19.598604][  T341] RSP: 002b:00007fff611bc738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.599035][  T341] RAX: ffffffffffffffda RBX: 00007fff611bce60 RCX: 00007f567f8a11e7
[   19.599472][  T341] RDX: 0000000000000000 RSI: 00007fff611bc7a0 RDI: 0000000000000005
[   19.599897][  T341] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.600339][  T341] R10: 00007f567f79eee8 R11: 0000000000000246 R12: 0000000000000004
[   19.600762][  T341] R13: 00000000686e1cca R14: 0000000000499600 R15: 0000000000000000
| [   22.815336][  T401] ------------[ cut here ]------------
| [ 22.815652][ T401] WARNING: CPU: 3 PID: 401 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.816224][  T401] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   22.818475][  T401] Tainted: [W]=WARN
[   22.818687][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.819044][ T401] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.819344][ T401] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.820331][  T401] RSP: 0018:ffffc90000607140 EFLAGS: 00010246
[   22.820681][  T401] RAX: 0000000000000000 RBX: ffff888008c74000 RCX: 0000000000000001
[   22.821099][  T401] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[   22.821518][  T401] RBP: ffffc90000607230 R08: ffff888005145000 R09: 0000000000000000
[   22.821935][  T401] R10: ffffc900006075c8 R11: ffffffffb3450668 R12: 1ffff920000c0e2c
[   22.822358][  T401] R13: 0000000000002710 R14: ffffc90000607880 R15: ffff88800ca48760
[   22.822777][  T401] FS:  00007f8b3b3c6800(0000) GS:ffff888081c37000(0000) knlGS:0000000000000000
[   22.823262][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.823609][  T401] CR2: 00000000004e5aa8 CR3: 000000000e4ae004 CR4: 0000000000772ef0
[   22.824019][  T401] PKRU: 55555554
[   22.824233][  T401] Call Trace:
[   22.824442][  T401]  <TASK>
[ 22.824583][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.824865][ T401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.825140][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.825426][ T401] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.825703][ T401] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 22.825979][ T401] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.826278][ T401] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 22.826567][ T401] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.826917][ T401] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.827198][ T401] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.827472][ T401] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.827748][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.828026][ T401] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.828314][ T401] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.828656][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.828933][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.829231][ T401] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.829509][ T401] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.829785][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.830059][ T401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.830338][ T401] ? __create_object (mm/kmemleak.c:771) 
[ 22.830621][ T401] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.830897][ T401] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.831179][ T401] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.831523][ T401] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.831806][ T401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.832085][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.832367][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.832650][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.832929][ T401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.833211][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.833489][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.833763][ T401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.834040][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.834329][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.834612][ T401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.834892][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.835179][ T401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.835467][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.835740][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.836020][ T401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.836318][ T401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.836595][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.836883][ T401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.837164][ T401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.837452][ T401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.837735][ T401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.838014][ T401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.838300][ T401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.838655][ T401] ___sys_sendmsg (net/socket.c:2670) 
[ 22.838933][ T401] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.839218][ T401] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.839562][ T401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.839840][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.840119][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.840409][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.840684][ T401] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.840961][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.841252][ T401] __sys_sendmsg (net/socket.c:2700) 
[ 22.841527][ T401] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.841868][ T401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.842156][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.842450][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.842727][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.843068][  T401] RIP: 0033:0x7f8b3b5931e7
[ 22.843368][ T401] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.844360][  T401] RSP: 002b:00007ffe7d8e0d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.844777][  T401] RAX: ffffffffffffffda RBX: 00007ffe7d8e1430 RCX: 00007f8b3b5931e7
[   22.845202][  T401] RDX: 0000000000000000 RSI: 00007ffe7d8e0d70 RDI: 0000000000000005
[   22.845617][  T401] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   22.846027][  T401] R10: 00007f8b3b490ee8 R11: 0000000000000246 R12: 0000000000000004
[   22.846460][  T401] R13: 00000000686e1ccd R14: 0000000000499600 R15: 0000000000000000
| [   23.288046][  T413] ------------[ cut here ]------------
| [ 23.288380][ T413] WARNING: CPU: 0 PID: 413 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.288999][  T413] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.290200][  T413] Tainted: [W]=WARN
[   23.290432][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.290815][ T413] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.291133][ T413] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.292453][  T413] RSP: 0018:ffffc90000656ef0 EFLAGS: 00010246
[   23.292843][  T413] RAX: 0000000000000000 RBX: ffff88800fd5a000 RCX: 0000000000000001
[   23.293549][  T413] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[   23.294014][  T413] RBP: ffffc90000656fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.294671][  T413] R10: ffffc90000657010 R11: ffffffffb34a8918 R12: 1ffff920000cade2
[   23.295135][  T413] R13: 0000000000002710 R14: ffffc90000657010 R15: ffff88800fd5af08
[   23.295739][  T413] FS:  00007fabb8368800(0000) GS:ffff888081ab7000(0000) knlGS:0000000000000000
[   23.296440][  T413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.296828][  T413] CR2: 00000000004e5410 CR3: 000000000c8b3003 CR4: 0000000000772ef0
[   23.297368][  T413] PKRU: 55555554
[   23.297598][  T413] Call Trace:
[   23.297828][  T413]  <TASK>
[ 23.297987][ T413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.298309][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.298626][ T413] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.298933][ T413] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.299327][ T413] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.299639][ T413] netif_set_mtu (net/core/dev.c:9652) 
[ 23.299948][ T413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.300276][ T413] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.300711][ T413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.300945][ T413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.301376][ T413] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.301732][ T413] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.302046][ T413] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.302371][ T413] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.302767][ T413] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.303074][ T413] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.303393][ T413] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.303707][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.304017][ T413] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.304335][ T413] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.304722][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.305032][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.305346][ T413] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.305655][ T413] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.305965][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.306289][ T413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.306600][ T413] ? __create_object (mm/kmemleak.c:771) 
[ 23.306910][ T413] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.307233][ T413] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.307541][ T413] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.307924][ T413] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.308252][ T413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.308565][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.308874][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.309197][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.309514][ T413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.309820][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.310129][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.310448][ T413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.310759][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.311071][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.311392][ T413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.311701][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.312017][ T413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.312349][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.312657][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.312966][ T413] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.313288][ T413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.313594][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.313906][ T413] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.314231][ T413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.314541][ T413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.314856][ T413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.315177][ T413] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.315488][ T413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.315885][ T413] ___sys_sendmsg (net/socket.c:2670) 
[ 23.316213][ T413] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.316530][ T413] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.316913][ T413] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.317233][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.317547][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.317859][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.318181][ T413] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.318487][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.318808][ T413] __sys_sendmsg (net/socket.c:2700) 
[ 23.319114][ T413] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.319520][ T413] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.319843][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.320156][ T413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.320474][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.320860][  T413] RIP: 0033:0x7fabb85351e7
[ 23.321458][ T413] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.322557][  T413] RSP: 002b:00007fffe15f9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.323034][  T413] RAX: ffffffffffffffda RBX: 00007fffe15fa3a0 RCX: 00007fabb85351e7
[   23.323506][  T413] RDX: 0000000000000000 RSI: 00007fffe15f9ce0 RDI: 0000000000000005
[   23.323966][  T413] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.324434][  T413] R10: 0000000033705910 R11: 0000000000000246 R12: 0000000000000004
[   23.324894][  T413] R13: 00000000686e1cce R14: 0000000000499600 R15: 0000000000000000
| [   23.925561][  T430] ------------[ cut here ]------------
| [ 23.925882][ T430] WARNING: CPU: 0 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.926518][  T430] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.929320][  T430] Tainted: [W]=WARN
[   23.929559][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.929948][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.930423][ T430] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.931575][  T430] RSP: 0018:ffffc90000716ef0 EFLAGS: 00010246
[   23.931968][  T430] RAX: 0000000000000000 RBX: ffff888004e32000 RCX: 0000000000000001
[   23.932441][  T430] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[   23.932909][  T430] RBP: ffffc90000716fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.933377][  T430] R10: ffffc90000717010 R11: ffffffffb34a8918 R12: 1ffff920000e2de2
[   23.933846][  T430] R13: 0000000000002710 R14: ffffc90000717010 R15: ffff888004e32f08
[   23.934315][  T430] FS:  00007f58b8a2b800(0000) GS:ffff888081ab7000(0000) knlGS:0000000000000000
[   23.934853][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.935250][  T430] CR2: 00000000004e5418 CR3: 000000000b729006 CR4: 0000000000772ef0
[   23.935719][  T430] PKRU: 55555554
[   23.935951][  T430] Call Trace:
[   23.936198][  T430]  <TASK>
[ 23.936358][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.936667][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.936986][ T430] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.937303][ T430] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.937691][ T430] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.938001][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 23.938321][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.938640][ T430] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.939074][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.939318][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.939746][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.940101][ T430] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.940425][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.940740][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.941131][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.941454][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.941766][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.942079][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.942398][ T430] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.942704][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.943084][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.943401][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.943710][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.944022][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.944336][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.944644][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.944948][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 23.945263][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.945573][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.945880][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.946285][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.946606][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.946918][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.947248][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.947561][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.947870][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.948181][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.948493][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.948804][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.949111][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.949431][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.949745][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.950057][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.950373][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.950694][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.951006][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.951322][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.951634][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.951943][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.952262][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.952583][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.952892][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.953218][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.953541][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.953849][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.954254][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 23.954562][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.954873][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.955269][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.955586][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.955897][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.956233][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.956540][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.956844][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.957158][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 23.957473][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.957855][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.958187][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.958497][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.958802][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.959189][  T430] RIP: 0033:0x7f58b8bf81e7
[ 23.959507][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.960612][  T430] RSP: 002b:00007ffd83b3cc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.961079][  T430] RAX: ffffffffffffffda RBX: 00007ffd83b3d360 RCX: 00007f58b8bf81e7
[   23.961549][  T430] RDX: 0000000000000000 RSI: 00007ffd83b3cca0 RDI: 0000000000000005
[   23.962008][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.962483][  T430] R10: 00000000367e1910 R11: 0000000000000246 R12: 0000000000000004
[   23.962945][  T430] R13: 00000000686e1cce R14: 0000000000499600 R15: 0000000000000000
| [   24.605864][  T448] ------------[ cut here ]------------
| [ 24.606299][ T448] WARNING: CPU: 2 PID: 448 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.606863][  T448] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.607974][  T448] Tainted: [W]=WARN
[   24.608225][  T448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.608591][ T448] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.608890][ T448] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.609918][  T448] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[   24.610295][  T448] RAX: 0000000000000000 RBX: ffff88800a9ac000 RCX: 0000000000000001
[   24.610723][  T448] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[   24.611149][  T448] RBP: ffffc900005a7230 R08: ffff88800bec2000 R09: 0000000000000000
[   24.611590][  T448] R10: ffffc900005a75c8 R11: ffffffffb3450668 R12: 1ffff920000b4e2c
[   24.612019][  T448] R13: 0000000000002710 R14: ffffc900005a7880 R15: ffff88800ca48e60
[   24.612470][  T448] FS:  00007fc79ecc8800(0000) GS:ffff888081bb7000(0000) knlGS:0000000000000000
[   24.612972][  T448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.613355][  T448] CR2: 00000000004e5ab0 CR3: 000000000598e006 CR4: 0000000000772ef0
[   24.613787][  T448] PKRU: 55555554
[   24.614004][  T448] Call Trace:
[   24.614310][  T448]  <TASK>
[ 24.614471][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.614769][ T448] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.615058][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.615356][ T448] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.615645][ T448] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 24.615932][ T448] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 24.616250][ T448] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 24.616552][ T448] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.616915][ T448] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.617224][ T448] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.617514][ T448] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.617800][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.618092][ T448] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.618389][ T448] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.618748][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.619036][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.619334][ T448] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.619625][ T448] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.619912][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.620211][ T448] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.620507][ T448] ? __create_object (mm/kmemleak.c:771) 
[ 24.620800][ T448] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.621095][ T448] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.621404][ T448] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.621772][ T448] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.622066][ T448] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.622372][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.622658][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.622953][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.623263][ T448] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.623550][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.623837][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.624123][ T448] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.624423][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.624720][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.625010][ T448] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.625326][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.625630][ T448] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.625931][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.626237][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.626527][ T448] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.626819][ T448] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.627105][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.627413][ T448] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.627705][ T448] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.627992][ T448] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.628301][ T448] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.628595][ T448] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.628879][ T448] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.629266][ T448] ___sys_sendmsg (net/socket.c:2670) 
[ 24.629552][ T448] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.629845][ T448] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.630225][ T448] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.630513][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.630804][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.631098][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.631396][ T448] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.631682][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.631981][ T448] __sys_sendmsg (net/socket.c:2700) 
[ 24.632278][ T448] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.632630][ T448] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.632929][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.633240][ T448] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.633539][ T448] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.633894][  T448] RIP: 0033:0x7fc79ee951e7
[ 24.634207][ T448] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.635205][  T448] RSP: 002b:00007ffddef9fb98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.635634][  T448] RAX: ffffffffffffffda RBX: 00007ffddefa02c0 RCX: 00007fc79ee951e7
[   24.636061][  T448] RDX: 0000000000000000 RSI: 00007ffddef9fc00 RDI: 0000000000000005
[   24.636507][  T448] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   24.636931][  T448] R10: 00007fc79ed92ee8 R11: 0000000000000246 R12: 0000000000000004
[   24.637376][  T448] R13: 00000000686e1ccf R14: 0000000000499600 R15: 0000000000000000
| [   25.115882][  T460] ------------[ cut here ]------------
| [ 25.116260][ T460] WARNING: CPU: 2 PID: 460 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.117008][  T460] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.118402][  T460] Tainted: [W]=WARN
[   25.118901][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.119544][ T460] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.120027][ T460] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.121150][  T460] RSP: 0018:ffffc90000846ef0 EFLAGS: 00010246
[   25.121564][  T460] RAX: 0000000000000000 RBX: ffff88800fd5a000 RCX: 0000000000000001
[   25.122044][  T460] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[   25.122536][  T460] RBP: ffffc90000846fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.123017][  T460] R10: ffffc90000847010 R11: ffffffffb34a8918 R12: 1ffff92000108de2
[   25.123503][  T460] R13: 0000000000002710 R14: ffffc90000847010 R15: ffff88800fd5af08
[   25.123982][  T460] FS:  00007efc68eab800(0000) GS:ffff888081bb7000(0000) knlGS:0000000000000000
[   25.124548][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.124962][  T460] CR2: 00000000004e5410 CR3: 0000000008d7a001 CR4: 0000000000772ef0
[   25.125471][  T460] PKRU: 55555554
[   25.125716][  T460] Call Trace:
[   25.125960][  T460]  <TASK>
[ 25.126151][ T460] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.126492][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.126823][ T460] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.127143][ T460] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.127556][ T460] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.127887][ T460] netif_set_mtu (net/core/dev.c:9652) 
[ 25.128218][ T460] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.128553][ T460] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.129006][ T460] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.129262][ T460] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.129699][ T460] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.130067][ T460] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.130402][ T460] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.130726][ T460] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.131236][ T460] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.131561][ T460] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.131884][ T460] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.132220][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.132549][ T460] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.132872][ T460] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.133278][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.133603][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.133938][ T460] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.134264][ T460] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.134583][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.134901][ T460] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.135226][ T460] ? __create_object (mm/kmemleak.c:771) 
[ 25.135550][ T460] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.135872][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.136220][ T460] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.136617][ T460] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.136940][ T460] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.137272][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.137589][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.137921][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.138249][ T460] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.138588][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.138910][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.139237][ T460] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.139556][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.139877][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.140209][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.140526][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.140846][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.141189][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.141517][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.141837][ T460] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.142159][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.142484][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.142809][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.143130][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.143464][ T460] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.143792][ T460] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.144117][ T460] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.144443][ T460] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.144855][ T460] ___sys_sendmsg (net/socket.c:2670) 
[ 25.145181][ T460] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.145502][ T460] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.145903][ T460] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.146248][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.146573][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.146899][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.147224][ T460] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.147543][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.147869][ T460] __sys_sendmsg (net/socket.c:2700) 
[ 25.148199][ T460] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.148591][ T460] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.148923][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.149254][ T460] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.149575][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.149965][  T460] RIP: 0033:0x7efc690781e7
[ 25.150303][ T460] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.151419][  T460] RSP: 002b:00007ffc1c50ffb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.151917][  T460] RAX: ffffffffffffffda RBX: 00007ffc1c5106e0 RCX: 00007efc690781e7
[   25.152400][  T460] RDX: 0000000000000000 RSI: 00007ffc1c510020 RDI: 0000000000000005
[   25.152878][  T460] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.153362][  T460] R10: 0000000021c06910 R11: 0000000000000246 R12: 0000000000000004
[   25.153828][  T460] R13: 00000000686e1ccf R14: 0000000000499600 R15: 0000000000000000
| [   25.769069][  T477] ------------[ cut here ]------------
| [ 25.769452][ T477] WARNING: CPU: 3 PID: 477 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.770141][  T477] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.771494][  T477] Tainted: [W]=WARN
[   25.771759][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.772208][ T477] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.772583][ T477] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.773910][  T477] RSP: 0018:ffffc900007e6ef0 EFLAGS: 00010246
[   25.774376][  T477] RAX: 0000000000000000 RBX: ffff888004e32000 RCX: 0000000000000001
[   25.774903][  T477] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[   25.775441][  T477] RBP: ffffc900007e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.775973][  T477] R10: ffffc900007e7010 R11: ffffffffb34a8918 R12: 1ffff920000fcde2
[   25.776520][  T477] R13: 0000000000002710 R14: ffffc900007e7010 R15: ffff888004e32f08
[   25.777066][  T477] FS:  00007fe55ce7f800(0000) GS:ffff888081c37000(0000) knlGS:0000000000000000
[   25.777707][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.778185][  T477] CR2: 00000000004e5418 CR3: 000000000e42e006 CR4: 0000000000772ef0
[   25.778713][  T477] PKRU: 55555554
[   25.778985][  T477] Call Trace:
[   25.779261][  T477]  <TASK>
[ 25.779443][ T477] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.779807][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.780165][ T477] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.780530][ T477] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.780966][ T477] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.781343][ T477] netif_set_mtu (net/core/dev.c:9652) 
[ 25.781701][ T477] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.782059][ T477] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.782546][ T477] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.782815][ T477] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.783302][ T477] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.783702][ T477] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.784056][ T477] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.784425][ T477] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.784867][ T477] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.785232][ T477] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.785581][ T477] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.785934][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.786307][ T477] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.786662][ T477] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.787102][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.787466][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.787816][ T477] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.788203][ T477] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.788557][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.788905][ T477] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.789261][ T477] ? __create_object (mm/kmemleak.c:771) 
[ 25.789617][ T477] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.789966][ T477] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.790325][ T477] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.790756][ T477] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.791110][ T477] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.791472][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.791818][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.792181][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.792536][ T477] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.792882][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.793239][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.793585][ T477] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.793934][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.794520][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.794874][ T477] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.795233][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.795589][ T477] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.796213][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.796562][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.796909][ T477] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.797271][ T477] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.797838][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.798205][ T477] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.798562][ T477] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.798910][ T477] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.799499][ T477] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.799854][ T477] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.800221][ T477] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.800666][ T477] ___sys_sendmsg (net/socket.c:2670) 
[ 25.801243][ T477] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.801595][ T477] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.802026][ T477] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.802607][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.802962][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.803326][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.803679][ T477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.804029][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.804626][ T477] __sys_sendmsg (net/socket.c:2700) 
[ 25.804971][ T477] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.805410][ T477] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.805991][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.806362][ T477] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.806712][ T477] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.807141][  T477] RIP: 0033:0x7fe55d04c1e7
[ 25.807748][ T477] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.809228][  T477] RSP: 002b:00007ffcaf092d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.809761][  T477] RAX: ffffffffffffffda RBX: 00007ffcaf093430 RCX: 00007fe55d04c1e7
[   25.810302][  T477] RDX: 0000000000000000 RSI: 00007ffcaf092d70 RDI: 0000000000000005
[   25.811058][  T477] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.811591][  T477] R10: 000000002b5aa910 R11: 0000000000000246 R12: 0000000000000004
[   25.812110][  T477] R13: 00000000686e1cd0 R14: 0000000000499600 R15: 0000000000000000
| [  110.955125][  T846] ------------[ cut here ]------------
| [ 110.955558][ T846] WARNING: CPU: 2 PID: 846 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.956291][  T846] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  110.957708][  T846] Tainted: [W]=WARN
[  110.957970][  T846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.958406][ T846] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.958773][ T846] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.960009][  T846] RSP: 0018:ffffc900010e6f70 EFLAGS: 00010246
[  110.960461][  T846] RAX: 0000000000000000 RBX: ffff888004e32000 RCX: 0000000000000001
[  110.960987][  T846] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[  110.961774][  T846] RBP: ffffc900010e7058 R08: 0000000000000000 R09: 0000000000000000
[  110.962320][  T846] R10: ffffc900010e7088 R11: ffffffffaea00130 R12: 1ffff9200021cdf2
[  110.962832][  T846] R13: 0000000000002710 R14: ffffc900010e7088 R15: ffff888004e32f08
[  110.963340][  T846] FS:  00007f9a1542d800(0000) GS:ffff888081bb7000(0000) knlGS:0000000000000000
[  110.963930][  T846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.964380][  T846] CR2: 00000000004e5630 CR3: 000000000d1b4004 CR4: 0000000000772ef0
[  110.964895][  T846] PKRU: 55555554
[  110.965151][  T846] Call Trace:
[  110.965420][  T846]  <TASK>
[ 110.965596][ T846] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 110.966055][ T846] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 110.966478][ T846] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 110.966820][ T846] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 110.967195][ T846] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.967534][ T846] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.967868][ T846] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.968240][ T846] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.968579][ T846] ? ___sys_sendmsg (net/socket.c:2670) 
[ 110.968921][ T846] ? __sys_sendmsg (net/socket.c:2700) 
[ 110.969273][ T846] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.969619][ T846] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 110.970045][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.970404][ T846] netif_set_mtu (net/core/dev.c:9652) 
[ 110.970743][ T846] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.971099][ T846] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.971368][ T846] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.971833][ T846] br_del_if (net/bridge/br_if.c:743) bridge 
[ 110.972262][ T846] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 110.972644][ T846] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 110.972985][ T846] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 110.973359][ T846] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 110.973783][ T846] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 110.974136][ T846] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 110.974487][ T846] ? __kernel_text_address (kernel/extable.c:79) 
[ 110.974832][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.975202][ T846] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 110.975544][ T846] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 110.975954][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.976351][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.976691][ T846] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 110.977026][ T846] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 110.977391][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.977738][ T846] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.978069][ T846] ? __create_object (mm/kmemleak.c:771) 
[ 110.978453][ T846] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 110.978797][ T846] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 110.979135][ T846] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 110.979584][ T846] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 110.979927][ T846] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.980313][ T846] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.980664][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.981008][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.981379][ T846] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.981712][ T846] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.982056][ T846] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.982421][ T846] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.982763][ T846] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.983110][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.983469][ T846] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.983806][ T846] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.984144][ T846] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.984555][ T846] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.984893][ T846] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 110.985240][ T846] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.985598][ T846] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.985931][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.986300][ T846] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.986645][ T846] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.986965][ T846] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.987302][ T846] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.987644][ T846] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.987961][ T846] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.988407][ T846] ___sys_sendmsg (net/socket.c:2670) 
[ 110.988728][ T846] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 110.989047][ T846] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 110.989464][ T846] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.989787][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.990114][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.990471][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.990818][ T846] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 110.991165][ T846] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.991525][ T846] __sys_sendmsg (net/socket.c:2700) 
[ 110.991844][ T846] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 110.992256][ T846] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.992608][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.992927][ T846] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.993269][ T846] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.993675][  T846] RIP: 0033:0x7f9a155fa1e7
[ 110.994009][ T846] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  110.995126][  T846] RSP: 002b:00007ffd68289e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.995637][  T846] RAX: ffffffffffffffda RBX: 00007ffd6828a570 RCX: 00007f9a155fa1e7
[  110.996107][  T846] RDX: 0000000000000000 RSI: 00007ffd68289eb0 RDI: 0000000000000005
[  110.996745][  T846] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  110.997243][  T846] R10: 00007f9a154f7ee8 R11: 0000000000000246 R12: 0000000000000003
[  110.997741][  T846] R13: 00000000686e1d25 R14: 0000000000499600 R15: 0000000000000000
| [  111.512713][  T854] ------------[ cut here ]------------
| [ 111.513053][ T854] WARNING: CPU: 2 PID: 854 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.513683][  T854] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  111.515103][  T854] Tainted: [W]=WARN
[  111.515363][  T854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.515762][ T854] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.516093][ T854] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.517809][  T854] RSP: 0018:ffffc90001146f70 EFLAGS: 00010246
[  111.518256][  T854] RAX: 0000000000000000 RBX: ffff88800fd5a000 RCX: 0000000000000001
[  111.518757][  T854] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[  111.519277][  T854] RBP: ffffc90001147058 R08: 0000000000000000 R09: 0000000000000000
[  111.519771][  T854] R10: ffffc90001147088 R11: ffffffffb2b79160 R12: 1ffff92000228df2
[  111.520270][  T854] R13: 0000000000002710 R14: ffffc90001147088 R15: ffff88800fd5af08
[  111.520759][  T854] FS:  00007f6fa8b05800(0000) GS:ffff888081bb7000(0000) knlGS:0000000000000000
[  111.521338][  T854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.521749][  T854] CR2: 00000000004e5628 CR3: 000000000c9e9002 CR4: 0000000000772ef0
[  111.522249][  T854] PKRU: 55555554
[  111.522494][  T854] Call Trace:
[  111.522836][  T854]  <TASK>
[ 111.523017][ T854] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 111.523442][ T854] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 111.523843][ T854] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 111.524195][ T854] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.524537][ T854] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.524872][ T854] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.525219][ T854] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.525560][ T854] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.525895][ T854] ? ___sys_sendmsg (net/socket.c:2670) 
[ 111.526251][ T854] ? __sys_sendmsg (net/socket.c:2700) 
[ 111.526611][ T854] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.526938][ T854] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 111.527361][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.527696][ T854] netif_set_mtu (net/core/dev.c:9652) 
[ 111.528014][ T854] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.528391][ T854] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.528638][ T854] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.529081][ T854] br_del_if (net/bridge/br_if.c:743) bridge 
[ 111.529445][ T854] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 111.529796][ T854] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 111.530137][ T854] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.530505][ T854] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.530939][ T854] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.531306][ T854] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.531649][ T854] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.531996][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.532347][ T854] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 111.532681][ T854] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.533100][ T854] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.533448][ T854] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.533786][ T854] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.534129][ T854] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.534474][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.534820][ T854] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.535158][ T854] ? __create_object (mm/kmemleak.c:771) 
[ 111.535517][ T854] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.535841][ T854] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.536183][ T854] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.536591][ T854] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.536924][ T854] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.537285][ T854] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.537620][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.538009][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.538373][ T854] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.538690][ T854] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.539032][ T854] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.539396][ T854] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.539753][ T854] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.540104][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.540469][ T854] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.540849][ T854] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.541201][ T854] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.541533][ T854] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.541848][ T854] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.542188][ T854] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.542511][ T854] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.542830][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.543164][ T854] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.543565][ T854] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.543884][ T854] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.544227][ T854] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.544581][ T854] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.544917][ T854] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.545395][ T854] ___sys_sendmsg (net/socket.c:2670) 
[ 111.545738][ T854] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.546064][ T854] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 111.546483][ T854] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.546816][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.547148][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.547498][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.547820][ T854] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.548150][ T854] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.548508][ T854] __sys_sendmsg (net/socket.c:2700) 
[ 111.548826][ T854] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.549247][ T854] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.549584][ T854] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.549920][ T854] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.550273][ T854] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.550671][  T854] RIP: 0033:0x7f6fa8cd21e7
[ 111.551011][ T854] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.552180][  T854] RSP: 002b:00007ffcc331e228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.552671][  T854] RAX: ffffffffffffffda RBX: 00007ffcc331e950 RCX: 00007f6fa8cd21e7
[  111.553141][  T854] RDX: 0000000000000000 RSI: 00007ffcc331e290 RDI: 0000000000000005
[  111.553644][  T854] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  111.554133][  T854] R10: 00007f6fa8bcfee8 R11: 0000000000000246 R12: 0000000000000003
[  111.554632][  T854] R13: 00000000686e1d26 R14: 0000000000499600 R15: 0000000000000000
| [  111.871539][  T858] ------------[ cut here ]------------
| [ 111.871924][ T858] WARNING: CPU: 0 PID: 858 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.872632][  T858] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  111.873776][  T858] Tainted: [W]=WARN
[  111.873985][  T858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.874362][ T858] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.874653][ T858] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.875654][  T858] RSP: 0018:ffffc90001177140 EFLAGS: 00010246
[  111.876003][  T858] RAX: 0000000000000000 RBX: ffff88800a9ac000 RCX: 0000000000000001
[  111.876462][  T858] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[  111.876876][  T858] RBP: ffffc90001177230 R08: ffff88800b7ab800 R09: 0000000000000000
[  111.877387][  T858] R10: ffffc900011775c8 R11: ffffffffb3450668 R12: 1ffff9200022ee2c
[  111.877799][  T858] R13: 00000000000005dc R14: ffffc90001177880 R15: ffff888009207be0
[  111.878240][  T858] FS:  00007f777d036800(0000) GS:ffff888081ab7000(0000) knlGS:0000000000000000
[  111.878720][  T858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.879078][  T858] CR2: 00000000004e5ab0 CR3: 0000000009b6b005 CR4: 0000000000772ef0
[  111.879515][  T858] PKRU: 55555554
[  111.879723][  T858] Call Trace:
[  111.879930][  T858]  <TASK>
[ 111.880077][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.880582][ T858] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.880866][ T858] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.881144][ T858] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 111.881727][ T858] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 111.882005][ T858] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 111.882365][ T858] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 111.882656][ T858] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.883007][ T858] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.883305][ T858] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.883578][ T858] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.883858][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.884139][ T858] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 111.884440][ T858] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.884788][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.885063][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.885360][ T858] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.885635][ T858] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.885912][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.886208][ T858] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.886495][ T858] ? __create_object (mm/kmemleak.c:771) 
[ 111.886782][ T858] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.887058][ T858] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.887358][ T858] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.887701][ T858] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.887983][ T858] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.888285][ T858] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.888560][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.888841][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.889131][ T858] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.889421][ T858] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.889701][ T858] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.889974][ T858] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.890280][ T858] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.890562][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.890846][ T858] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.891120][ T858] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.891424][ T858] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.891712][ T858] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.891986][ T858] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.892281][ T858] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.892560][ T858] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.892833][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.893149][ T858] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.893455][ T858] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.893732][ T858] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.894014][ T858] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.894315][ T858] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.894592][ T858] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.894943][ T858] ___sys_sendmsg (net/socket.c:2670) 
[ 111.895242][ T858] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.895527][ T858] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 111.895872][ T858] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.896150][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.896469][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.896753][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.897037][ T858] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.897334][ T858] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.897625][ T858] __sys_sendmsg (net/socket.c:2700) 
[ 111.897903][ T858] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.898269][ T858] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.898558][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.898839][ T858] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.899114][ T858] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.899489][  T858] RIP: 0033:0x7f777d2031e7
[ 111.899780][ T858] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.900774][  T858] RSP: 002b:00007ffe1fa8b8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.901210][  T858] RAX: ffffffffffffffda RBX: 00007ffe1fa8c020 RCX: 00007f777d2031e7
[  111.901633][  T858] RDX: 0000000000000000 RSI: 00007ffe1fa8b960 RDI: 0000000000000005
[  111.902044][  T858] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  111.902480][  T858] R10: 00007f777d100ee8 R11: 0000000000000246 R12: 0000000000000004
[  111.902895][  T858] R13: 00000000686e1d26 R14: 0000000000499600 R15: 0000000000000000
| [  112.296723][  T864] ------------[ cut here ]------------
| [ 112.297046][ T864] WARNING: CPU: 1 PID: 864 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.297675][  T864] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  112.300622][  T864] Tainted: [W]=WARN
[  112.300867][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.301425][ T864] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.301759][ T864] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.303113][  T864] RSP: 0018:ffffc900011d6f70 EFLAGS: 00010246
[  112.303604][  T864] RAX: 0000000000000000 RBX: ffff888004e32000 RCX: 0000000000000001
[  112.304071][  T864] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[  112.304540][  T864] RBP: ffffc900011d7058 R08: 0000000000000000 R09: 0000000000000000
[  112.304996][  T864] R10: ffffc900011d7088 R11: ffffffffb2b79160 R12: 1ffff9200023adf2
[  112.305467][  T864] R13: 00000000000005dc R14: ffffc900011d7088 R15: ffff888004e32f08
[  112.305924][  T864] FS:  00007f2d5b4ef800(0000) GS:ffff888081b37000(0000) knlGS:0000000000000000
[  112.306484][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.306868][  T864] CR2: 00000000004e73c0 CR3: 0000000004bea004 CR4: 0000000000772ef0
[  112.307330][  T864] PKRU: 55555554
[  112.307557][  T864] Call Trace:
[  112.307782][  T864]  <TASK>
[ 112.307938][ T864] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 112.308327][ T864] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 112.308684][ T864] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.309004][ T864] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.309342][ T864] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.309657][ T864] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.309969][ T864] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.310278][ T864] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.310582][ T864] ? ___sys_sendmsg (net/socket.c:2670) 
[ 112.310886][ T864] ? __sys_sendmsg (net/socket.c:2700) 
[ 112.311203][ T864] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.311506][ T864] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 112.311880][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.312200][ T864] netif_set_mtu (net/core/dev.c:9652) 
[ 112.312514][ T864] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.312835][ T864] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.313066][ T864] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.313514][ T864] br_del_if (net/bridge/br_if.c:743) bridge 
[ 112.313856][ T864] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 112.314160][ T864] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.314475][ T864] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.314783][ T864] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.315178][ T864] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.315481][ T864] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.315790][ T864] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.316100][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.316428][ T864] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 112.316734][ T864] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.317113][ T864] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.317433][ T864] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.317738][ T864] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.318057][ T864] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.318386][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.318690][ T864] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.318992][ T864] ? __create_object (mm/kmemleak.c:771) 
[ 112.319305][ T864] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.319610][ T864] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.319914][ T864] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.320300][ T864] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.320627][ T864] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.320939][ T864] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.321260][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.321570][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.321876][ T864] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.322191][ T864] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.322500][ T864] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.322803][ T864] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.323112][ T864] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.323427][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.323736][ T864] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.324045][ T864] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.324357][ T864] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.324671][ T864] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.324978][ T864] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.325307][ T864] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.325616][ T864] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.325919][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.326244][ T864] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.326558][ T864] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.326867][ T864] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.327200][ T864] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.327765][ T864] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.328073][ T864] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.328479][ T864] ___sys_sendmsg (net/socket.c:2670) 
[ 112.328791][ T864] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.329095][ T864] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 112.329493][ T864] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.329801][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.330115][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.330447][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.330766][ T864] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.331083][ T864] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.331413][ T864] __sys_sendmsg (net/socket.c:2700) 
[ 112.331716][ T864] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.332107][ T864] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.332451][ T864] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.332776][ T864] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.333097][ T864] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.333511][  T864] RIP: 0033:0x7f2d5b6bc1e7
[ 112.333848][ T864] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.334999][  T864] RSP: 002b:00007fffcb339cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.335489][  T864] RAX: ffffffffffffffda RBX: 00007fffcb33a3e0 RCX: 00007f2d5b6bc1e7
[  112.335969][  T864] RDX: 0000000000000000 RSI: 00007fffcb339d20 RDI: 0000000000000005
[  112.336475][  T864] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  112.336960][  T864] R10: 00007f2d5b5b9ee8 R11: 0000000000000246 R12: 0000000000000003
[  112.337454][  T864] R13: 00000000686e1d27 R14: 0000000000499600 R15: 0000000000000000
| [  112.797524][  T870] ------------[ cut here ]------------
| [ 112.797842][ T870] WARNING: CPU: 0 PID: 870 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.798453][  T870] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  112.799721][  T870] Tainted: [W]=WARN
[  112.799959][  T870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.800349][ T870] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.800666][ T870] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.802568][  T870] RSP: 0018:ffffc90001146f70 EFLAGS: 00010246
[  112.802957][  T870] RAX: 0000000000000000 RBX: ffff88800fd5a000 RCX: 0000000000000001
[  112.803425][  T870] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[  112.803882][  T870] RBP: ffffc90001147058 R08: 0000000000000000 R09: 0000000000000000
[  112.804346][  T870] R10: ffffc90001147088 R11: ffffffffb2b79160 R12: 1ffff92000228df2
[  112.804805][  T870] R13: 00000000000005dc R14: ffffc90001147088 R15: ffff88800fd5af08
[  112.805277][  T870] FS:  00007f3ad4a43800(0000) GS:ffff888081ab7000(0000) knlGS:0000000000000000
[  112.805813][  T870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.806205][  T870] CR2: 00000000004e73b8 CR3: 000000000ca03002 CR4: 0000000000772ef0
[  112.806691][  T870] PKRU: 55555554
[  112.806925][  T870] Call Trace:
[  112.807157][  T870]  <TASK>
[ 112.807322][ T870] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 112.807713][ T870] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 112.808063][ T870] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.808379][ T870] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.808684][ T870] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.808990][ T870] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.809303][ T870] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.809606][ T870] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.809924][ T870] ? ___sys_sendmsg (net/socket.c:2670) 
[ 112.810258][ T870] ? __sys_sendmsg (net/socket.c:2700) 
[ 112.810561][ T870] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.810867][ T870] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 112.811251][ T870] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.811565][ T870] netif_set_mtu (net/core/dev.c:9652) 
[ 112.811868][ T870] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.812200][ T870] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.812448][ T870] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.812870][ T870] br_del_if (net/bridge/br_if.c:743) bridge 
[ 112.813223][ T870] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 112.813529][ T870] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.813837][ T870] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.814145][ T870] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.814540][ T870] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.814848][ T870] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.815151][ T870] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.815467][ T870] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.815778][ T870] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 112.816083][ T870] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.816483][ T870] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.816794][ T870] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.817106][ T870] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.817419][ T870] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.817737][ T870] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.818043][ T870] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.818352][ T870] ? __create_object (mm/kmemleak.c:771) 
[ 112.818659][ T870] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.818965][ T870] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.819276][ T870] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.819663][ T870] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.819974][ T870] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.820291][ T870] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.820595][ T870] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.820906][ T870] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.821223][ T870] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.821525][ T870] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.821830][ T870] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.822144][ T870] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.822459][ T870] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.822767][ T870] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.823077][ T870] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.823391][ T870] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.823696][ T870] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.824014][ T870] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.824333][ T870] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.824640][ T870] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.824946][ T870] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.825260][ T870] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.825573][ T870] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.825881][ T870] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.826199][ T870] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.826528][ T870] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.826833][ T870] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.827136][ T870] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.827533][ T870] ___sys_sendmsg (net/socket.c:2670) 
[ 112.827835][ T870] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.828137][ T870] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 112.828525][ T870] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.828842][ T870] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.829150][ T870] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.829473][ T870] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.829778][ T870] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.830080][ T870] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.830403][ T870] __sys_sendmsg (net/socket.c:2700) 
[ 112.830706][ T870] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.831087][ T870] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.831410][ T870] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.831717][ T870] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.832027][ T870] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.832411][  T870] RIP: 0033:0x7f3ad4c101e7
[ 112.832728][ T870] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.833828][  T870] RSP: 002b:00007ffc68d9a1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.834295][  T870] RAX: ffffffffffffffda RBX: 00007ffc68d9a8d0 RCX: 00007f3ad4c101e7
[  112.834751][  T870] RDX: 0000000000000000 RSI: 00007ffc68d9a210 RDI: 0000000000000005
[  112.835214][  T870] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  112.835680][  T870] R10: 00007f3ad4b0dee8 R11: 0000000000000246 R12: 0000000000000003
[  112.836134][  T870] R13: 00000000686e1d27 R14: 0000000000499600 R15: 0000000000000000
| [  113.127140][  T874] ------------[ cut here ]------------
| [ 113.127540][ T874] WARNING: CPU: 0 PID: 874 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.128186][  T874] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.130723][  T874] Tainted: [W]=WARN
[  113.130977][  T874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.131384][ T874] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.131714][ T874] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.132849][  T874] RSP: 0018:ffffc90000fe7140 EFLAGS: 00010246
[  113.133260][  T874] RAX: 0000000000000000 RBX: ffff888008c74000 RCX: 0000000000000001
[  113.133732][  T874] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[  113.134218][  T874] RBP: ffffc90000fe7230 R08: ffff888005435000 R09: 0000000000000000
[  113.134688][  T874] R10: ffffc90000fe75c8 R11: ffffffffb3450668 R12: 1ffff920001fce2c
[  113.135156][  T874] R13: 00000000000005dc R14: ffffc90000fe7880 R15: ffff88800b50e360
[  113.135641][  T874] FS:  00007f025a07f800(0000) GS:ffff888081ab7000(0000) knlGS:0000000000000000
[  113.136213][  T874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.136629][  T874] CR2: 00000000004e5aa8 CR3: 000000000cae6005 CR4: 0000000000772ef0
[  113.137104][  T874] PKRU: 55555554
[  113.137353][  T874] Call Trace:
[  113.137593][  T874]  <TASK>
[ 113.137753][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.138075][ T874] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.138410][ T874] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.138732][ T874] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 113.139050][ T874] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 113.139377][ T874] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 113.139700][ T874] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 113.140020][ T874] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.140430][ T874] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.140755][ T874] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.141069][ T874] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.141398][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.141720][ T874] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 113.142035][ T874] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.142436][ T874] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.142756][ T874] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.143076][ T874] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.143400][ T874] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.143717][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.144032][ T874] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.144355][ T874] ? __create_object (mm/kmemleak.c:771) 
[ 113.144673][ T874] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.144989][ T874] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.145315][ T874] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.145713][ T874] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.146037][ T874] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.146383][ T874] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.146700][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.147023][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.147352][ T874] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.147670][ T874] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.147995][ T874] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.148323][ T874] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.148641][ T874] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.148962][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.149294][ T874] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.149611][ T874] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.149935][ T874] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.150273][ T874] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.150598][ T874] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.150915][ T874] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.151264][ T874] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.151580][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.151901][ T874] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.152236][ T874] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.152555][ T874] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.152882][ T874] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.153212][ T874] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.153528][ T874] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.153932][ T874] ___sys_sendmsg (net/socket.c:2670) 
[ 113.154254][ T874] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.154569][ T874] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 113.154977][ T874] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.155313][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.155633][ T874] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.155954][ T874] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.156298][ T874] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.156616][ T874] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.156938][ T874] __sys_sendmsg (net/socket.c:2700) 
[ 113.157264][ T874] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.157662][ T874] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.157990][ T874] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.158317][ T874] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.158635][ T874] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.159024][  T874] RIP: 0033:0x7f025a24c1e7
[ 113.159360][ T874] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.160497][  T874] RSP: 002b:00007ffc9a873de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.160976][  T874] RAX: ffffffffffffffda RBX: 00007ffc9a874510 RCX: 00007f025a24c1e7
[  113.161456][  T874] RDX: 0000000000000000 RSI: 00007ffc9a873e50 RDI: 0000000000000005
[  113.161935][  T874] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  113.162418][  T874] R10: 00007f025a149ee8 R11: 0000000000000246 R12: 0000000000000004
[  113.162888][  T874] R13: 00000000686e1d27 R14: 0000000000499600 R15: 0000000000000000
| [  114.421336][  T888] ------------[ cut here ]------------
| [ 114.421710][ T888] WARNING: CPU: 2 PID: 888 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.422433][  T888] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  114.423682][  T888] Tainted: [W]=WARN
[  114.423921][  T888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.424313][ T888] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.424634][ T888] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.425708][  T888] RSP: 0018:ffffc90001277140 EFLAGS: 00010246
[  114.426096][  T888] RAX: 0000000000000000 RBX: ffff88800ab91000 RCX: 0000000000000001
[  114.426573][  T888] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[  114.427038][  T888] RBP: ffffc90001277230 R08: ffff88800fdba000 R09: 0000000000000000
[  114.427504][  T888] R10: ffffc900012775c8 R11: ffffffffb3450668 R12: 1ffff9200024ee2c
[  114.427967][  T888] R13: 00000000000005dc R14: ffffc90001277880 R15: ffff88800ffc26e0
[  114.428434][  T888] FS:  00007fbe5ba1c800(0000) GS:ffff888081bb7000(0000) knlGS:0000000000000000
[  114.428969][  T888] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.429359][  T888] CR2: 00000000004e5ab8 CR3: 0000000004b56002 CR4: 0000000000772ef0
[  114.429810][  T888] PKRU: 55555554
[  114.430046][  T888] Call Trace:
[  114.430287][  T888]  <TASK>
[ 114.430451][ T888] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.430763][ T888] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.431072][ T888] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.431394][ T888] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 114.431700][ T888] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 114.432008][ T888] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 114.432326][ T888] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 114.432639][ T888] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.433031][ T888] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.433330][ T888] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.433617][ T888] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.433906][ T888] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.434205][ T888] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 114.434534][ T888] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.434912][ T888] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.435228][ T888] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.435540][ T888] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.435848][ T888] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.436156][ T888] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.436486][ T888] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.436792][ T888] ? __create_object (mm/kmemleak.c:771) 
[ 114.437110][ T888] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.437427][ T888] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.437737][ T888] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.438119][ T888] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.438441][ T888] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.438762][ T888] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.439070][ T888] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.439394][ T888] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.439703][ T888] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.440019][ T888] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.440346][ T888] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.440653][ T888] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.440963][ T888] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.441285][ T888] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.441601][ T888] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.441910][ T888] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.442227][ T888] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.442547][ T888] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.442861][ T888] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.443181][ T888] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.443491][ T888] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.443799][ T888] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.444116][ T888] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.444437][ T888] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.444744][ T888] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.445069][ T888] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.445392][ T888] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.445694][ T888] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.446085][ T888] ___sys_sendmsg (net/socket.c:2670) 
[ 114.446411][ T888] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.446717][ T888] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 114.447098][ T888] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.447423][ T888] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.447738][ T888] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.448052][ T888] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.448373][ T888] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.448677][ T888] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.448991][ T888] __sys_sendmsg (net/socket.c:2700) 
[ 114.449315][ T888] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.449699][ T888] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.450017][ T888] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.450342][ T888] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.450652][ T888] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.451039][  T888] RIP: 0033:0x7fbe5bbe91e7
[ 114.451365][ T888] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.452437][  T888] RSP: 002b:00007ffd13854468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.452894][  T888] RAX: ffffffffffffffda RBX: 00007ffd13854b90 RCX: 00007fbe5bbe91e7
[  114.453355][  T888] RDX: 0000000000000000 RSI: 00007ffd138544d0 RDI: 0000000000000005
[  114.453811][  T888] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  114.454275][  T888] R10: 00007fbe5bae6ee8 R11: 0000000000000246 R12: 0000000000000004
[  114.454728][  T888] R13: 00000000686e1d29 R14: 0000000000499600 R15: 0000000000000000
| [  115.550958][  T900] ------------[ cut here ]------------
| [ 115.551367][ T900] WARNING: CPU: 3 PID: 900 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.551918][  T900] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  115.553080][  T900] Tainted: [W]=WARN
[  115.553297][  T900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.553644][ T900] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.553933][ T900] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.554928][  T900] RSP: 0018:ffffc90000fe7140 EFLAGS: 00010246
[  115.555288][  T900] RAX: 0000000000000000 RBX: ffff888008bbc000 RCX: 0000000000000001
[  115.555708][  T900] RDX: 0000000000000000 RSI: ffffffffb269b941 RDI: ffffffffb1e555e0
[  115.556122][  T900] RBP: ffffc90000fe7230 R08: ffff88800abe3800 R09: 0000000000000000
[  115.556557][  T900] R10: ffffc90000fe75c8 R11: ffffffffb3450668 R12: 1ffff920001fce2c
[  115.556971][  T900] R13: 00000000000005dc R14: ffffc90000fe7880 R15: ffff88800e6683e0
[  115.557399][  T900] FS:  00007f17fe912800(0000) GS:ffff888081c37000(0000) knlGS:0000000000000000
[  115.557885][  T900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.558238][  T900] CR2: 00000000004e5aa0 CR3: 0000000008c14001 CR4: 0000000000772ef0
[  115.558653][  T900] PKRU: 55555554
[  115.558862][  T900] Call Trace:
[  115.559067][  T900]  <TASK>
[ 115.559227][ T900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.559512][ T900] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.559788][ T900] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.560066][ T900] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 115.560353][ T900] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 115.560630][ T900] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 115.560908][ T900] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 115.561198][ T900] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 115.561548][ T900] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.561828][ T900] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.562110][ T900] ? __kernel_text_address (kernel/extable.c:79) 
[ 115.562400][ T900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.562678][ T900] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 115.562953][ T900] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 115.563307][ T900] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.563586][ T900] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.563862][ T900] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 115.564142][ T900] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 115.564432][ T900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.564710][ T900] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.564986][ T900] ? __create_object (mm/kmemleak.c:771) 
[ 115.565273][ T900] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 115.565553][ T900] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 115.565828][ T900] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 115.566184][ T900] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 115.566475][ T900] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.566754][ T900] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.567028][ T900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.567320][ T900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.567595][ T900] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.567867][ T900] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.568143][ T900] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.568431][ T900] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.568706][ T900] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.568984][ T900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.569273][ T900] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.569547][ T900] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.569824][ T900] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.570112][ T900] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.570397][ T900] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.570674][ T900] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.570953][ T900] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.571252][ T900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.571535][ T900] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.571811][ T900] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.572088][ T900] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.572379][ T900] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.572662][ T900] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.572933][ T900] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.573295][ T900] ___sys_sendmsg (net/socket.c:2670) 
[ 115.573568][ T900] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 115.573842][ T900] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 115.574194][ T900] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.574476][ T900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.574753][ T900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.575033][ T900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.575317][ T900] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 115.575591][ T900] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.575878][ T900] __sys_sendmsg (net/socket.c:2700) 
[ 115.576155][ T900] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 115.576519][ T900] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.576811][ T900] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.577086][ T900] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.577372][ T900] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.577711][  T900] RIP: 0033:0x7f17feadf1e7
[ 115.577997][ T900] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.578991][  T900] RSP: 002b:00007ffeeef145c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.579418][  T900] RAX: ffffffffffffffda RBX: 00007ffeeef14cf0 RCX: 00007f17feadf1e7
[  115.579830][  T900] RDX: 0000000000000000 RSI: 00007ffeeef14630 RDI: 0000000000000005
[  115.580248][  T900] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  115.580665][  T900] R10: 00007f17fe9dcee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if