======================================
| xx__-> [   16.684009][  T280] 8021q: 802.1Q VLAN Support v1.8
| [   26.889519][  T337] ------------[ cut here ]------------
| [ 26.890069][ T337] WARNING: CPU: 0 PID: 337 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.890648][  T337] Modules linked in: 8021q vrf veth
[   26.891499][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.891960][ T337] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.892251][ T337] 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
[   26.893262][  T337] RSP: 0018:ffffc90000b17140 EFLAGS: 00010246
[   26.893631][  T337] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   26.894060][  T337] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   26.894478][  T337] RBP: ffffc90000b17230 R08: ffff88800a186800 R09: 0000000000000000
[   26.894922][  T337] R10: ffffc90000b175c8 R11: ffffffffa6a50668 R12: 1ffff92000162e2c
[   26.895355][  T337] R13: 000000000000ffff R14: ffffc90000b17880 R15: ffff88800a5a51e0
[   26.895793][  T337] FS:  00007f3f02feb800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   26.896303][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.896674][  T337] CR2: 00000000004e5aa0 CR3: 000000000a041006 CR4: 0000000000772ef0
[   26.897095][  T337] PKRU: 55555554
[   26.897304][  T337] Call Trace:
[   26.897514][  T337]  <TASK>
[ 26.897667][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.897954][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.898231][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.898512][ T337] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.898813][ T337] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 26.899350][ T337] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 26.899655][ T337] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 26.899943][ T337] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.900297][ T337] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.900577][ T337] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.900877][ T337] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.901159][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.901440][ T337] ? __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) 
[ 26.901741][ T337] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.902111][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.902392][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.902696][ T337] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.902982][ T337] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.903260][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.903537][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.903820][ T337] ? __create_object (mm/kmemleak.c:771) 
[ 26.904103][ T337] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.904384][ T337] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.904670][ T337] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.905014][ T337] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.905303][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.905587][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.905875][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.906158][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.906433][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.906732][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.907011][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.907287][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.907566][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.907856][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.908140][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.908420][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.908706][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.908994][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.909268][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.909561][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.909854][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.910132][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.910425][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.910725][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.911007][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.911291][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.911572][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.911855][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.912209][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 26.912490][ T337] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.912774][ T337] ? __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) 
[ 26.913121][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.913401][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.913689][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.913973][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.914249][ T337] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.914531][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.914835][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 26.915118][ T337] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.915462][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.915760][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.916040][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.916319][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.916669][  T337] RIP: 0033:0x7f3f031b81e7
[ 26.916967][ T337] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.917971][  T337] RSP: 002b:00007ffece6cefd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.918396][  T337] RAX: ffffffffffffffda RBX: 00007ffece6cf700 RCX: 00007f3f031b81e7
[   26.918840][  T337] RDX: 0000000000000000 RSI: 00007ffece6cf040 RDI: 0000000000000005
[   26.919266][  T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   26.919702][  T337] R10: 00007f3f030b5ee8 R11: 0000000000000246 R12: 0000000000000004
[   26.920118][  T337] R13: 00000000686e21b8 R14: 0000000000499600 R15: 0000000000000000
| [   27.018555][  T338] ------------[ cut here ]------------
| [ 27.019727][ T338] WARNING: CPU: 2 PID: 338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   27.020331][  T338] Modules linked in: 8021q vrf veth
| [   27.021267][  T338] Tainted: [W]=WARN
[   27.021530][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.021913][ T338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 27.022230][ T338] 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
[   27.023278][  T338] RSP: 0018:ffffc90000b17140 EFLAGS: 00010246
[   27.023674][  T338] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   27.024119][  T338] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   27.024566][  T338] RBP: ffffc90000b17230 R08: ffff888008c7a000 R09: 0000000000000000
[   27.025024][  T338] R10: ffffc90000b175c8 R11: ffffffffa6a50668 R12: 1ffff92000162e2c
[   27.025479][  T338] R13: 00000000000005dc R14: ffffc90000b17880 R15: ffff88800a5a6a60
[   27.025933][  T338] FS:  00007f5ee0df2800(0000) GS:ffff88808e5b7000(0000) knlGS:0000000000000000
[   27.026451][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.026838][  T338] CR2: 00000000004e5aa0 CR3: 000000000982a001 CR4: 0000000000772ef0
[   27.027294][  T338] PKRU: 55555554
[   27.027525][  T338] Call Trace:
[   27.027766][  T338]  <TASK>
[ 27.027929][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.028241][ T338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.028543][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.028858][ T338] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 27.029168][ T338] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 27.029471][ T338] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 27.029804][ T338] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 27.030112][ T338] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.030494][ T338] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.030808][ T338] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.031114][ T338] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.031417][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.031745][ T338] ? __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) 
[ 27.032048][ T338] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.032422][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.032735][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.033035][ T338] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.033335][ T338] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.033650][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.033949][ T338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.034252][ T338] ? __create_object (mm/kmemleak.c:771) 
[ 27.034557][ T338] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.034873][ T338] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.035179][ T338] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.035553][ T338] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.035869][ T338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.036175][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.036486][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.036803][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.037108][ T338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.037406][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.037720][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.038023][ T338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.038331][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.038646][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.038960][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.039264][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.039576][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.039899][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.040202][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 27.040504][ T338] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.040823][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.041133][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.041443][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.041766][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.042071][ T338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.042384][ T338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.042711][ T338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.043013][ T338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.043403][ T338] ___sys_sendmsg (net/socket.c:2670) 
[ 27.043713][ T338] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.044017][ T338] ? __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) 
[ 27.044388][ T338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.044707][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.045013][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.045321][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.045670][ T338] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.045978][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.046291][ T338] __sys_sendmsg (net/socket.c:2700) 
[ 27.046589][ T338] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.046975][ T338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.047289][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.047596][ T338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.047909][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.048292][  T338] RIP: 0033:0x7f5ee0fbf1e7
[ 27.048615][ T338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   27.049685][  T338] RSP: 002b:00007fff531b0908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.050145][  T338] RAX: ffffffffffffffda RBX: 00007fff531b1030 RCX: 00007f5ee0fbf1e7
[   27.050594][  T338] RDX: 0000000000000000 RSI: 00007fff531b0970 RDI: 0000000000000005
[   27.051052][  T338] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   27.051497][  T338] R10: 00007f5ee0ebcee8 R11: 0000000000000246 R12: 0000000000000004
[   27.051974][  T338] R13: 00000000686e21b8 R14: 0000000000499600 R15: 0000000000000000
| [   27.328094][  T342] ------------[ cut here ]------------
| [ 27.328505][ T342] WARNING: CPU: 1 PID: 342 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   27.329091][  T342] Modules linked in: 8021q vrf veth
| [   27.329975][  T342] Tainted: [W]=WARN
[   27.330188][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.330544][ T342] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 27.330855][ T342] 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
[   27.331857][  T342] RSP: 0018:ffffc900007e7140 EFLAGS: 00010246
[   27.332214][  T342] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   27.332641][  T342] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   27.333058][  T342] RBP: ffffc900007e7230 R08: ffff88800be22000 R09: 0000000000000000
[   27.333472][  T342] R10: ffffc900007e75c8 R11: ffffffffa6a50668 R12: 1ffff920000fce2c
[   27.333898][  T342] R13: 0000000000010000 R14: ffffc900007e7880 R15: ffff88800a5a43e0
[   27.334320][  T342] FS:  00007fe5f9b04800(0000) GS:ffff88808e537000(0000) knlGS:0000000000000000
[   27.334815][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.335165][  T342] CR2: 00000000004e5aa0 CR3: 000000000c0ba001 CR4: 0000000000772ef0
[   27.335584][  T342] PKRU: 55555554
[   27.335817][  T342] Call Trace:
[   27.336032][  T342]  <TASK>
[ 27.336175][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.336463][ T342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.336751][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.337035][ T342] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 27.337312][ T342] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 27.337596][ T342] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 27.337901][ T342] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 27.338185][ T342] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.338537][ T342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.338827][ T342] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.339102][ T342] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.339382][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.339710][ T342] ? __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) 
[ 27.339996][ T342] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.340342][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.340637][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.340916][ T342] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.341191][ T342] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.341470][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.341765][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.342040][ T342] ? __create_object (mm/kmemleak.c:771) 
[ 27.342327][ T342] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.342615][ T342] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.342896][ T342] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.343239][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.343523][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.343819][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.344094][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.344384][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.344669][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.344944][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.345222][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.345499][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.345789][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.346072][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.346353][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.346662][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.346943][ T342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.347230][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.347509][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 27.347802][ T342] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.348082][ T342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.348358][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.348656][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.348938][ T342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.349217][ T342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.349511][ T342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.349804][ T342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.350083][ T342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.350445][ T342] ___sys_sendmsg (net/socket.c:2670) 
[ 27.350739][ T342] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.351017][ T342] ? __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) 
[ 27.351367][ T342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.351667][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.351950][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.352233][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.352510][ T342] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.352803][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.353089][ T342] __sys_sendmsg (net/socket.c:2700) 
[ 27.353366][ T342] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.353718][ T342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.354008][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.354288][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.354569][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.354928][  T342] RIP: 0033:0x7fe5f9cd11e7
[ 27.355219][ T342] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   27.356222][  T342] RSP: 002b:00007ffe5d5d2818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.356657][  T342] RAX: ffffffffffffffda RBX: 00007ffe5d5d2f40 RCX: 00007fe5f9cd11e7
[   27.357083][  T342] RDX: 0000000000000000 RSI: 00007ffe5d5d2880 RDI: 0000000000000005
[   27.357501][  T342] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   27.357928][  T342] R10: 00007fe5f9bceee8 R11: 0000000000000246 R12: 0000000000000004
[   27.358346][  T342] R13: 00000000686e21b9 R14: 0000000000499600 R15: 0000000000000000
| [   27.465036][  T343] ------------[ cut here ]------------
| [ 27.465371][ T343] WARNING: CPU: 0 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   27.465942][  T343] Modules linked in: 8021q vrf veth
| [   27.466810][  T343] Tainted: [W]=WARN
[   27.467022][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.467376][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 27.467675][ T343] 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
[   27.468676][  T343] RSP: 0018:ffffc900007f7140 EFLAGS: 00010246
[   27.469028][  T343] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   27.469451][  T343] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   27.469891][  T343] RBP: ffffc900007f7230 R08: ffff88800b8ea000 R09: 0000000000000000
[   27.470309][  T343] R10: ffffc900007f75c8 R11: ffffffffa6a50668 R12: 1ffff920000fee2c
[   27.470738][  T343] R13: 00000000000005dc R14: ffffc900007f7880 R15: ffff888008e6e6e0
[   27.471160][  T343] FS:  00007fbbcde74800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   27.471659][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.472013][  T343] CR2: 00000000004e5aa0 CR3: 000000000bd9a006 CR4: 0000000000772ef0
[   27.472435][  T343] PKRU: 55555554
[   27.472657][  T343] Call Trace:
[   27.472875][  T343]  <TASK>
[ 27.473020][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.473304][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.473580][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.473877][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 27.474158][ T343] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 27.474438][ T343] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 27.474733][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 27.475026][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.475382][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.475671][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.475948][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.476228][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.476508][ T343] ? __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) 
[ 27.476806][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.477155][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.477435][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.477723][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.478002][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.478281][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.478575][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.478887][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 27.479178][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.479460][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.479760][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.480104][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.480390][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.480684][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.480964][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.481252][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.481537][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.481826][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.482106][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.482384][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.482673][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.482954][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.483237][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.483520][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.483811][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.484104][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.484381][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 27.484670][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.484954][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.485232][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.485520][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.485813][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.486092][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.486378][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.486672][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.486949][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.487306][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 27.487589][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.487877][ T343] ? __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) 
[ 27.488223][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.488502][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.488793][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.489076][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.489354][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.489681][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.489967][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 27.490246][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.490588][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.490891][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.491172][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.491453][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.491809][  T343] RIP: 0033:0x7fbbce0411e7
[ 27.492105][ T343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   27.493114][  T343] RSP: 002b:00007ffd62f5a4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.493538][  T343] RAX: ffffffffffffffda RBX: 00007ffd62f5ac10 RCX: 00007fbbce0411e7
[   27.493975][  T343] RDX: 0000000000000000 RSI: 00007ffd62f5a550 RDI: 0000000000000005
[   27.494394][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   27.494821][  T343] R10: 00007fbbcdf3eee8 R11: 0000000000000246 R12: 0000000000000004
[   27.495239][  T343] R13: 00000000686e21b9 R14: 0000000000499600 R15: 0000000000000000
| [   27.921547][  T350] ------------[ cut here ]------------
| [ 27.921920][ T350] WARNING: CPU: 0 PID: 350 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   27.922497][  T350] Modules linked in: 8021q vrf veth
| [   27.924888][  T350] Tainted: [W]=WARN
[   27.925111][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.925477][ T350] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 27.925814][ T350] 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
[   27.926877][  T350] RSP: 0018:ffffc90000b47140 EFLAGS: 00010246
[   27.927242][  T350] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   27.927706][  T350] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   27.928136][  T350] RBP: ffffc90000b47230 R08: ffff888005102000 R09: 0000000000000000
[   27.928566][  T350] R10: ffffc90000b475c8 R11: ffffffffa6a50668 R12: 1ffff92000168e2c
[   27.929020][  T350] R13: 000000000000ffff R14: ffffc90000b47880 R15: ffff888008e6d1e0
[   27.929462][  T350] FS:  00007f20b0b6b800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   27.930002][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.930375][  T350] CR2: 00000000004e5aa8 CR3: 0000000005b8e001 CR4: 0000000000772ef0
[   27.930836][  T350] PKRU: 55555554
[   27.931061][  T350] Call Trace:
[   27.931286][  T350]  <TASK>
[ 27.931435][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.931759][ T350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.932056][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.932358][ T350] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 27.932666][ T350] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 27.932966][ T350] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 27.933270][ T350] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 27.933583][ T350] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.933972][ T350] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.934269][ T350] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.934564][ T350] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.934873][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.935165][ T350] ? __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) 
[ 27.935451][ T350] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.935819][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.936102][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.936378][ T350] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.936673][ T350] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.936952][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.937240][ T350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.937530][ T350] ? __create_object (mm/kmemleak.c:771) 
[ 27.937821][ T350] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.938106][ T350] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.938383][ T350] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.938752][ T350] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.939035][ T350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.939319][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.939620][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.939909][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.940197][ T350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.940479][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.940782][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.941070][ T350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.941353][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.941662][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.941955][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.942239][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.942532][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.942838][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.943115][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 27.943411][ T350] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.943721][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.943999][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.944298][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.944594][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.944899][ T350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.945198][ T350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.945520][ T350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.945823][ T350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.946188][ T350] ___sys_sendmsg (net/socket.c:2670) 
[ 27.946468][ T350] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.946775][ T350] ? __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) 
[ 27.947127][ T350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.947421][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.947725][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.948015][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.948307][ T350] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.948593][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.948918][ T350] __sys_sendmsg (net/socket.c:2700) 
[ 27.949197][ T350] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.949565][ T350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.949865][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.950154][ T350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.950438][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.950815][  T350] RIP: 0033:0x7f20b0d381e7
[ 27.951115][ T350] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   27.952169][  T350] RSP: 002b:00007ffde09afb98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.952613][  T350] RAX: ffffffffffffffda RBX: 00007ffde09b02c0 RCX: 00007f20b0d381e7
[   27.953059][  T350] RDX: 0000000000000000 RSI: 00007ffde09afc00 RDI: 0000000000000005
[   27.953502][  T350] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   27.953940][  T350] R10: 00007f20b0c35ee8 R11: 0000000000000246 R12: 0000000000000004
[   27.954364][  T350] R13: 00000000686e21b9 R14: 0000000000499600 R15: 0000000000000000
| [   28.093134][  T351] ------------[ cut here ]------------
| [ 28.093462][ T351] WARNING: CPU: 3 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.094065][  T351] Modules linked in: 8021q vrf veth
| [   28.095339][  T351] Tainted: [W]=WARN
[   28.095568][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.096154][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.096462][ T351] 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
[   28.097504][  T351] RSP: 0018:ffffc90000717140 EFLAGS: 00010246
[   28.097888][  T351] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   28.098322][  T351] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   28.098773][  T351] RBP: ffffc90000717230 R08: ffff888004fcb800 R09: 0000000000000000
[   28.099211][  T351] R10: ffffc900007175c8 R11: ffffffffa6a50668 R12: 1ffff920000e2e2c
[   28.099663][  T351] R13: 00000000000005dc R14: ffffc90000717880 R15: ffff888008e6d8e0
[   28.100088][  T351] FS:  00007fe6c50fd800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   28.100589][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.100963][  T351] CR2: 00000000004e5aa8 CR3: 0000000002564003 CR4: 0000000000772ef0
[   28.101384][  T351] PKRU: 55555554
[   28.101593][  T351] Call Trace:
[   28.101828][  T351]  <TASK>
[ 28.101971][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.102263][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.102546][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.102853][ T351] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 28.103144][ T351] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 28.103432][ T351] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.103746][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 28.104044][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.104393][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.104705][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.104983][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.105268][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.105557][ T351] ? __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) 
[ 28.105858][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.106204][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.106496][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.106799][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.107079][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.107367][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.107676][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.107957][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 28.108247][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.108530][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.108847][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.109196][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.109500][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.109797][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.110076][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.110358][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.110672][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.110959][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.111238][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.111536][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.111833][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.112122][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.112404][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.112709][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.112999][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.113303][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.113582][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.113872][ T351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.114155][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.114439][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.114749][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.115044][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.115329][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.115633][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.115931][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.116210][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.116571][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 28.116869][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.117150][ T351] ? __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) 
[ 28.117501][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.117806][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.118099][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.118389][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.118686][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.118971][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.119258][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 28.119545][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.119903][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.120196][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.120477][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.120782][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.121129][  T351] RIP: 0033:0x7fe6c52ca1e7
[ 28.121425][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.122450][  T351] RSP: 002b:00007ffd01038668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.122885][  T351] RAX: ffffffffffffffda RBX: 00007ffd01038d90 RCX: 00007fe6c52ca1e7
[   28.123327][  T351] RDX: 0000000000000000 RSI: 00007ffd010386d0 RDI: 0000000000000005
[   28.123758][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   28.124189][  T351] R10: 00007fe6c51c7ee8 R11: 0000000000000246 R12: 0000000000000004
[   28.124639][  T351] R13: 00000000686e21b9 R14: 0000000000499600 R15: 0000000000000000
| [   28.355629][  T355] ------------[ cut here ]------------
| [ 28.356024][ T355] WARNING: CPU: 0 PID: 355 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.356579][  T355] Modules linked in: 8021q vrf veth
| [   28.357480][  T355] Tainted: [W]=WARN
[   28.357705][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.358055][ T355] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.358343][ T355] 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
[   28.359344][  T355] RSP: 0018:ffffc90000b47140 EFLAGS: 00010246
[   28.359720][  T355] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   28.360139][  T355] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   28.360555][  T355] RBP: ffffc90000b47230 R08: ffff888009746800 R09: 0000000000000000
[   28.360992][  T355] R10: ffffc90000b475c8 R11: ffffffffa6a50668 R12: 1ffff92000168e2c
[   28.361407][  T355] R13: 0000000000010000 R14: ffffc90000b47880 R15: ffff888004e6d8e0
[   28.361835][  T355] FS:  00007f8d1677c800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   28.362322][  T355] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.362681][  T355] CR2: 00000000004e5aa8 CR3: 000000000586e005 CR4: 0000000000772ef0
[   28.363105][  T355] PKRU: 55555554
[   28.363314][  T355] Call Trace:
[   28.363524][  T355]  <TASK>
[ 28.363675][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.363959][ T355] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.364234][ T355] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.364515][ T355] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 28.364807][ T355] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 28.365092][ T355] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.365372][ T355] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 28.365665][ T355] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.366018][ T355] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.366294][ T355] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.366571][ T355] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.366866][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.367148][ T355] ? __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) 
[ 28.367426][ T355] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.367780][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.368061][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.368335][ T355] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.368634][ T355] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.368920][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.369196][ T355] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.369472][ T355] ? __create_object (mm/kmemleak.c:771) 
[ 28.369773][ T355] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.370055][ T355] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.370334][ T355] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.370689][ T355] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.370975][ T355] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.371263][ T355] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.371542][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.371840][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.372123][ T355] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.372402][ T355] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.372696][ T355] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.372975][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.373255][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.373544][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.373836][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.374117][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.374396][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.374698][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.374975][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.375262][ T355] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.375551][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.375837][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.376118][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.376403][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.376693][ T355] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.376978][ T355] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.377258][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.377541][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.377910][ T355] ___sys_sendmsg (net/socket.c:2670) 
[ 28.378187][ T355] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.378464][ T355] ? __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) 
[ 28.378823][ T355] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.379105][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.379385][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.379713][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.379992][ T355] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.380271][ T355] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.380557][ T355] __sys_sendmsg (net/socket.c:2700) 
[ 28.380851][ T355] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.381196][ T355] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.381488][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.381785][ T355] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.382071][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.382417][  T355] RIP: 0033:0x7f8d169491e7
[ 28.382715][ T355] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.383721][  T355] RSP: 002b:00007ffe21e62038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.384149][  T355] RAX: ffffffffffffffda RBX: 00007ffe21e62760 RCX: 00007f8d169491e7
[   28.384566][  T355] RDX: 0000000000000000 RSI: 00007ffe21e620a0 RDI: 0000000000000005
[   28.385027][  T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   28.385447][  T355] R10: 00007f8d16846ee8 R11: 0000000000000246 R12: 0000000000000004
[   28.385881][  T355] R13: 00000000686e21ba R14: 0000000000499600 R15: 0000000000000000
| [   28.498083][  T356] ------------[ cut here ]------------
| [ 28.498469][ T356] WARNING: CPU: 2 PID: 356 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.499075][  T356] Modules linked in: 8021q vrf veth
| [   28.500023][  T356] Tainted: [W]=WARN
[   28.500261][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.500648][ T356] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.500967][ T356] 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
[   28.502021][  T356] RSP: 0018:ffffc90000b47140 EFLAGS: 00010246
[   28.502400][  T356] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   28.502869][  T356] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   28.503314][  T356] RBP: ffffc90000b47230 R08: ffff8880096eb800 R09: 0000000000000000
[   28.503783][  T356] R10: ffffc90000b475c8 R11: ffffffffa6a50668 R12: 1ffff92000168e2c
[   28.504234][  T356] R13: 00000000000005dc R14: ffffc90000b47880 R15: ffff888004e6ede0
[   28.504858][  T356] FS:  00007f97adb51800(0000) GS:ffff88808e5b7000(0000) knlGS:0000000000000000
[   28.505506][  T356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.506045][  T356] CR2: 00000000004e5aa8 CR3: 000000000a023004 CR4: 0000000000772ef0
[   28.506543][  T356] PKRU: 55555554
[   28.506788][  T356] Call Trace:
[   28.507018][  T356]  <TASK>
[ 28.507180][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.507491][ T356] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.507810][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.508117][ T356] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 28.508427][ T356] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 28.508743][ T356] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.509053][ T356] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 28.509366][ T356] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.509770][ T356] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.510073][ T356] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.510378][ T356] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.510694][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.511004][ T356] ? __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) 
[ 28.511307][ T356] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.511702][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.512009][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.512313][ T356] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.512639][ T356] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.512947][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.513249][ T356] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.513547][ T356] ? __create_object (mm/kmemleak.c:771) 
[ 28.513869][ T356] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.514178][ T356] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.514481][ T356] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.514865][ T356] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.515185][ T356] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.515494][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.515814][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.516123][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.516429][ T356] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.516743][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.517056][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.517357][ T356] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.517683][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.517990][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.518298][ T356] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.518599][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.518916][ T356] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.519229][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.519539][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.519864][ T356] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.520175][ T356] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.520477][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.520816][ T356] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.521123][ T356] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.521429][ T356] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.521756][ T356] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.522082][ T356] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.522385][ T356] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.522783][ T356] ___sys_sendmsg (net/socket.c:2670) 
[ 28.523085][ T356] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.523389][ T356] ? __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) 
[ 28.523777][ T356] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.524087][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.524400][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.524720][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.525022][ T356] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.525323][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.525644][ T356] __sys_sendmsg (net/socket.c:2700) 
[ 28.525949][ T356] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.526321][ T356] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.526654][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.526959][ T356] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.527262][ T356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.527649][  T356] RIP: 0033:0x7f97add1e1e7
[ 28.527970][ T356] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.529027][  T356] RSP: 002b:00007ffe9c83d6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.529488][  T356] RAX: ffffffffffffffda RBX: 00007ffe9c83de20 RCX: 00007f97add1e1e7
[   28.529953][  T356] RDX: 0000000000000000 RSI: 00007ffe9c83d760 RDI: 0000000000000005
[   28.530399][  T356] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   28.530866][  T356] R10: 00007f97adc1bee8 R11: 0000000000000246 R12: 0000000000000004
[   28.531318][  T356] R13: 00000000686e21ba R14: 0000000000499600 R15: 0000000000000000
| [   29.386951][  T378] ------------[ cut here ]------------
| [ 29.387279][ T378] WARNING: CPU: 3 PID: 378 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.387875][  T378] Modules linked in: 8021q vrf veth
| [   29.388782][  T378] Tainted: [W]=WARN
[   29.389011][  T378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.389378][ T378] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.389701][ T378] 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
[   29.390754][  T378] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[   29.391125][  T378] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   29.391562][  T378] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   29.392009][  T378] RBP: ffffc900005a7230 R08: ffff88800bb50800 R09: 0000000000000000
[   29.392445][  T378] R10: ffffc900005a75c8 R11: ffffffffa6a50668 R12: 1ffff920000b4e2c
[   29.392888][  T378] R13: 000000000000ffff R14: ffffc900005a7880 R15: ffff888005658060
[   29.393320][  T378] FS:  00007fb956e6c800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   29.393840][  T378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.394208][  T378] CR2: 00000000004e5aa0 CR3: 000000000c279002 CR4: 0000000000772ef0
[   29.394655][  T378] PKRU: 55555554
[   29.394872][  T378] Call Trace:
[   29.395091][  T378]  <TASK>
[ 29.395240][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.395538][ T378] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.395835][ T378] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.396130][ T378] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 29.396422][ T378] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 29.396729][ T378] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 29.397022][ T378] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 29.397320][ T378] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.397698][ T378] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.397992][ T378] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.398280][ T378] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.398574][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.398884][ T378] ? __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) 
[ 29.399177][ T378] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.399575][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.399885][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.400176][ T378] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.400466][ T378] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.400770][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.401060][ T378] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.401350][ T378] ? __create_object (mm/kmemleak.c:771) 
[ 29.401661][ T378] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.401953][ T378] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.402241][ T378] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.402615][ T378] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.402915][ T378] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.403210][ T378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.403496][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.403800][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.404095][ T378] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.404381][ T378] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.404685][ T378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.404975][ T378] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.405265][ T378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.405564][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.405869][ T378] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.406163][ T378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.406455][ T378] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.406769][ T378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.407062][ T378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.407356][ T378] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.407665][ T378] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.407954][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.408247][ T378] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.408542][ T378] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.408860][ T378] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.409162][ T378] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.409456][ T378] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.409770][ T378] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.410146][ T378] ___sys_sendmsg (net/socket.c:2670) 
[ 29.410433][ T378] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.410735][ T378] ? __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) 
[ 29.411097][ T378] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.411390][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.411695][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.411993][ T378] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.412282][ T378] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.412573][ T378] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.412895][ T378] __sys_sendmsg (net/socket.c:2700) 
[ 29.413184][ T378] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.413542][ T378] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.413856][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.414148][ T378] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.414438][ T378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.414806][  T378] RIP: 0033:0x7fb9570391e7
[ 29.415113][ T378] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.416154][  T378] RSP: 002b:00007ffc5aeda768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.416593][  T378] RAX: ffffffffffffffda RBX: 00007ffc5aedae90 RCX: 00007fb9570391e7
[   29.417045][  T378] RDX: 0000000000000000 RSI: 00007ffc5aeda7d0 RDI: 0000000000000005
[   29.417482][  T378] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   29.417925][  T378] R10: 00007fb956f36ee8 R11: 0000000000000246 R12: 0000000000000004
[   29.418359][  T378] R13: 00000000686e21bb R14: 0000000000499600 R15: 0000000000000000
| [   29.644841][  T382] ------------[ cut here ]------------
| [ 29.645237][ T382] WARNING: CPU: 1 PID: 382 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.645837][  T382] Modules linked in: 8021q vrf veth
| [   29.646731][  T382] Tainted: [W]=WARN
[   29.646950][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.647307][ T382] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.647616][ T382] 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
[   29.648662][  T382] RSP: 0018:ffffc90000af7140 EFLAGS: 00010246
[   29.649033][  T382] RAX: 0000000000000000 RBX: ffff888009421000 RCX: 0000000000000001
[   29.649463][  T382] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   29.649920][  T382] RBP: ffffc90000af7230 R08: ffff888008c62000 R09: 0000000000000000
[   29.650352][  T382] R10: ffffc90000af75c8 R11: ffffffffa6a50668 R12: 1ffff9200015ee2c
[   29.652131][  T382] R13: 000000000000ffff R14: ffffc90000af7880 R15: ffff8880056598e0
[   29.652574][  T382] FS:  00007fa0e9413800(0000) GS:ffff88808e537000(0000) knlGS:0000000000000000
[   29.653101][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.653466][  T382] CR2: 00000000004e7370 CR3: 000000000a5b7005 CR4: 0000000000772ef0
[   29.653906][  T382] PKRU: 55555554
[   29.654120][  T382] Call Trace:
[   29.654342][  T382]  <TASK>
[ 29.654487][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.654784][ T382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.655070][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.655362][ T382] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 29.655653][ T382] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 29.655942][ T382] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 29.656237][ T382] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 29.656529][ T382] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.656903][ T382] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.657198][ T382] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.657483][ T382] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.657781][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.658074][ T382] ? __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) 
[ 29.658366][ T382] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.658731][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.659023][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.659308][ T382] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.659616][ T382] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.659907][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.660196][ T382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.660481][ T382] ? __create_object (mm/kmemleak.c:771) 
[ 29.660786][ T382] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.661077][ T382] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.661364][ T382] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.661727][ T382] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.662022][ T382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.662316][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.662601][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.662912][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.663204][ T382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.663489][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.663787][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.664074][ T382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.664363][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.664664][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.664960][ T382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.665253][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.665538][ T382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.665847][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.666134][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.666422][ T382] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.666720][ T382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.667007][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.667304][ T382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.667594][ T382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.667891][ T382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.668187][ T382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.668479][ T382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.668777][ T382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.669146][ T382] ___sys_sendmsg (net/socket.c:2670) 
[ 29.669437][ T382] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.669756][ T382] ? __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) 
[ 29.670118][ T382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.670408][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.670706][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.671000][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.671287][ T382] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.671580][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.671886][ T382] __sys_sendmsg (net/socket.c:2700) 
[ 29.672172][ T382] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.672528][ T382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.672840][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.673130][ T382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.673418][ T382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.673786][  T382] RIP: 0033:0x7fa0e95e01e7
[ 29.674085][ T382] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.675124][  T382] RSP: 002b:00007ffee695d138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.675558][  T382] RAX: ffffffffffffffda RBX: 00007ffee695d860 RCX: 00007fa0e95e01e7
[   29.676003][  T382] RDX: 0000000000000000 RSI: 00007ffee695d1a0 RDI: 0000000000000005
[   29.676431][  T382] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   29.676873][  T382] R10: 00007fa0e94ddee8 R11: 0000000000000246 R12: 0000000000000004
[   29.677306][  T382] R13: 00000000686e21bb R14: 0000000000499600 R15: 0000000000000000
| [   29.938002][  T386] ------------[ cut here ]------------
| [ 29.938348][ T386] WARNING: CPU: 1 PID: 386 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.938980][  T386] Modules linked in: 8021q vrf veth
| [   29.939940][  T386] Tainted: [W]=WARN
[   29.940166][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.940546][ T386] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.940869][ T386] 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
[   29.941960][  T386] RSP: 0018:ffffc900008a7140 EFLAGS: 00010246
[   29.942345][  T386] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   29.942817][  T386] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   29.943275][  T386] RBP: ffffc900008a7230 R08: ffff88800bc05000 R09: 0000000000000000
[   29.945008][  T386] R10: ffffc900008a75c8 R11: ffffffffa6a50668 R12: 1ffff92000114e2c
[   29.945475][  T386] R13: 000000000000ffff R14: ffffc900008a7880 R15: ffff88800a5a6de0
[   29.945990][  T386] FS:  00007f6b734d0800(0000) GS:ffff88808e537000(0000) knlGS:0000000000000000
[   29.946529][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.946932][  T386] CR2: 00000000004e5aa8 CR3: 000000000c0ba001 CR4: 0000000000772ef0
[   29.947399][  T386] PKRU: 55555554
[   29.947636][  T386] Call Trace:
[   29.947866][  T386]  <TASK>
[ 29.948023][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.948331][ T386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.948646][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.948955][ T386] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 29.949260][ T386] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 29.949583][ T386] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 29.949911][ T386] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 29.950223][ T386] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.950632][ T386] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.950937][ T386] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.951242][ T386] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.951547][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.951868][ T386] ? __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) 
[ 29.952170][ T386] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.952550][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.952864][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.953165][ T386] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.953468][ T386] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.953783][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.954092][ T386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.954394][ T386] ? __create_object (mm/kmemleak.c:771) 
[ 29.954719][ T386] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.955027][ T386] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.955329][ T386] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.955725][ T386] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.956038][ T386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.956347][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.956672][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.956980][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.957286][ T386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.957592][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.957911][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.958218][ T386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.958525][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.958846][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.959160][ T386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.959462][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.959787][ T386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.960102][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.960404][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.960720][ T386] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.961030][ T386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.961339][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.961657][ T386] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.961966][ T386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.962273][ T386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.962585][ T386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.962918][ T386] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.963213][ T386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.963598][ T386] ___sys_sendmsg (net/socket.c:2670) 
[ 29.963913][ T386] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.964201][ T386] ? __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) 
[ 29.964567][ T386] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.964865][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.965159][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.965452][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.965753][ T386] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.966043][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.966342][ T386] __sys_sendmsg (net/socket.c:2700) 
[ 29.966636][ T386] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.966991][ T386] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.967290][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.967584][ T386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.967903][ T386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.968259][  T386] RIP: 0033:0x7f6b7369d1e7
[ 29.968576][ T386] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.969671][  T386] RSP: 002b:00007fff5d7dc9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.970122][  T386] RAX: ffffffffffffffda RBX: 00007fff5d7dd100 RCX: 00007f6b7369d1e7
[   29.970578][  T386] RDX: 0000000000000000 RSI: 00007fff5d7dca40 RDI: 0000000000000005
[   29.971025][  T386] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   29.971473][  T386] R10: 00007f6b7359aee8 R11: 0000000000000246 R12: 0000000000000004
[   29.971947][  T386] R13: 00000000686e21bb R14: 0000000000499600 R15: 0000000000000000
| [   30.268257][  T390] ------------[ cut here ]------------
| [ 30.268840][ T390] WARNING: CPU: 3 PID: 390 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.269873][  T390] Modules linked in: 8021q vrf veth
| [   30.271509][  T390] Tainted: [W]=WARN
[   30.271916][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.272576][ T390] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.273143][ T390] 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
[   30.275066][  T390] RSP: 0018:ffffc90000797140 EFLAGS: 00010246
[   30.275756][  T390] RAX: 0000000000000000 RBX: ffff888007944000 RCX: 0000000000000001
[   30.276528][  T390] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   30.277330][  T390] RBP: ffffc90000797230 R08: ffff8880096ee800 R09: 0000000000000000
[   30.278149][  T390] R10: ffffc900007975c8 R11: ffffffffa6a50668 R12: 1ffff920000f2e2c
[   30.278938][  T390] R13: 000000000000ffff R14: ffffc90000797880 R15: ffff88800a5a74e0
[   30.279741][  T390] FS:  00007f65773c0800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   30.280582][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.281269][  T390] CR2: 00000000004e7378 CR3: 000000000511f004 CR4: 0000000000772ef0
[   30.282059][  T390] PKRU: 55555554
[   30.282451][  T390] Call Trace:
[   30.282865][  T390]  <TASK>
[ 30.283137][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.283687][ T390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.284213][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.284750][ T390] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 30.285273][ T390] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 30.285812][ T390] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 30.286342][ T390] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 30.286894][ T390] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.287553][ T390] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.288101][ T390] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.288651][ T390] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.289186][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.289740][ T390] ? __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) 
[ 30.290265][ T390] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.290950][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.291494][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.292047][ T390] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.292588][ T390] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.293127][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.293639][ T390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.293955][ T390] ? __create_object (mm/kmemleak.c:771) 
[ 30.294267][ T390] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.294587][ T390] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.294908][ T390] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.295291][ T390] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.295642][ T390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.295956][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.296265][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.296589][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.296911][ T390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.297214][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.297542][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.297859][ T390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.298172][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.298496][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.298820][ T390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.299128][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.299448][ T390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.299878][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.300214][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.300546][ T390] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.300873][ T390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.301178][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.301639][ T390] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.302173][ T390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.302688][ T390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.303088][ T390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.303424][ T390] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.303828][ T390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.304222][ T390] ___sys_sendmsg (net/socket.c:2670) 
[ 30.304622][ T390] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.304933][ T390] ? __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) 
[ 30.305387][ T390] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.305708][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.306024][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.306345][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.306662][ T390] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.307060][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.307381][ T390] __sys_sendmsg (net/socket.c:2700) 
[ 30.307681][ T390] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.308043][ T390] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.308474][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.309005][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.309526][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.310168][  T390] RIP: 0033:0x7f657758d1e7
[ 30.310690][ T390] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.311895][  T390] RSP: 002b:00007ffe3f5f2968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.312413][  T390] RAX: ffffffffffffffda RBX: 00007ffe3f5f3090 RCX: 00007f657758d1e7
[   30.312888][  T390] RDX: 0000000000000000 RSI: 00007ffe3f5f29d0 RDI: 0000000000000005
[   30.313413][  T390] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   30.313865][  T390] R10: 00007f657748aee8 R11: 0000000000000246 R12: 0000000000000004
[   30.314306][  T390] R13: 00000000686e21bc R14: 0000000000499600 R15: 0000000000000000
| [   33.031118][  T399] ------------[ cut here ]------------
| [ 33.031439][ T399] WARNING: CPU: 0 PID: 399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.032850][  T399] Modules linked in: 8021q vrf veth
| [   33.033706][  T399] Tainted: [W]=WARN
[   33.033916][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.034258][ T399] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.034552][ T399] 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
[   33.035577][  T399] RSP: 0018:ffffc900008d7140 EFLAGS: 00010246
[   33.035935][  T399] RAX: 0000000000000000 RBX: ffff888009421000 RCX: 0000000000000001
[   33.036346][  T399] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   33.036765][  T399] RBP: ffffc900008d7230 R08: ffff88800c3f0800 R09: 0000000000000000
[   33.037180][  T399] R10: ffffc900008d75c8 R11: ffffffffa6a50668 R12: 1ffff9200011ae2c
[   33.037593][  T399] R13: 00000000000005dc R14: ffffc900008d7880 R15: ffff888005659fe0
[   33.038009][  T399] FS:  00007f030f575800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   33.038496][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.038852][  T399] CR2: 00000000004e7370 CR3: 0000000004fb2004 CR4: 0000000000772ef0
[   33.039265][  T399] PKRU: 55555554
[   33.039471][  T399] Call Trace:
[   33.039704][  T399]  <TASK>
[ 33.039848][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.040131][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.040405][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.040693][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 33.040969][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 33.041245][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.041523][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 33.041819][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.042174][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.042448][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.042727][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.043005][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.043282][ T399] ? __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) 
[ 33.043555][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.043912][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.044199][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.044473][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.044754][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.045032][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.045306][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.045576][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 33.045864][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.046141][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.046413][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.046764][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.047046][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.047324][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.047624][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.047908][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.048186][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.048461][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.048746][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.049023][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.049299][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.049586][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.049880][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.050157][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.050437][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.050730][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.051004][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.051279][ T399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.051555][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.051848][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.052132][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.052412][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.052701][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.052985][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.053368][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.053658][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.054016][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 33.054289][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.054568][ T399] ? __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) 
[ 33.054919][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.055202][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.055480][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.055786][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.056065][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.056338][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.056632][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 33.056905][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.057244][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.057530][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.057829][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.058106][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.058447][  T399] RIP: 0033:0x7f030f7421e7
[ 33.058741][ T399] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.059758][  T399] RSP: 002b:00007ffeac4f10a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.060174][  T399] RAX: ffffffffffffffda RBX: 00007ffeac4f17d0 RCX: 00007f030f7421e7
[   33.060587][  T399] RDX: 0000000000000000 RSI: 00007ffeac4f1110 RDI: 0000000000000005
[   33.061009][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   33.061430][  T399] R10: 00007f030f63fee8 R11: 0000000000000246 R12: 0000000000000004
[   33.061851][  T399] R13: 00000000686e21be R14: 0000000000499600 R15: 0000000000000000
| [   33.167205][  T400] ------------[ cut here ]------------
| [ 33.167519][ T400] WARNING: CPU: 3 PID: 400 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.168080][  T400] Modules linked in: 8021q vrf veth
| [   33.168944][  T400] Tainted: [W]=WARN
[   33.169159][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.169517][ T400] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.169817][ T400] 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
[   33.170807][  T400] RSP: 0018:ffffc90000597140 EFLAGS: 00010246
[   33.171158][  T400] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   33.171576][  T400] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   33.171999][  T400] RBP: ffffc90000597230 R08: ffff8880099c8800 R09: 0000000000000000
[   33.172412][  T400] R10: ffffc900005975c8 R11: ffffffffa6a50668 R12: 1ffff920000b2e2c
[   33.172834][  T400] R13: 00000000000005dc R14: ffffc90000597880 R15: ffff888005658e60
[   33.173258][  T400] FS:  00007fc7abcc0800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   33.173749][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.174101][  T400] CR2: 00000000004e5aa0 CR3: 000000000bd9a003 CR4: 0000000000772ef0
[   33.174514][  T400] PKRU: 55555554
[   33.174732][  T400] Call Trace:
[   33.174941][  T400]  <TASK>
[ 33.175082][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.175364][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.175665][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.175949][ T400] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 33.176226][ T400] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 33.176502][ T400] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.176794][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 33.177077][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.177427][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.177716][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.177990][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.178267][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.178544][ T400] ? __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) 
[ 33.178830][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.179170][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.179446][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.179747][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.180024][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.180298][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.180689][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.180969][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 33.181247][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.181524][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.181806][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.182155][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.182437][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.182727][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.183003][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.183282][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.183558][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.183840][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.184123][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.184396][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.184684][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.184964][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.185244][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.185517][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.185802][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.186087][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.186368][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.186655][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.186933][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.187206][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.187486][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.187773][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.188051][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.188339][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.188632][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.188907][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.189260][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 33.189544][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.189857][ T400] ? __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) 
[ 33.190204][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.190488][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.190786][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.191069][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.191344][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.191666][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.191954][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 33.192226][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.192577][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.192893][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.193170][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.193448][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.193802][  T400] RIP: 0033:0x7fc7abe8d1e7
[ 33.194088][ T400] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.195106][  T400] RSP: 002b:00007ffd906e2fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.195524][  T400] RAX: ffffffffffffffda RBX: 00007ffd906e36e0 RCX: 00007fc7abe8d1e7
[   33.195949][  T400] RDX: 0000000000000000 RSI: 00007ffd906e3020 RDI: 0000000000000005
[   33.196366][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   33.196788][  T400] R10: 00007fc7abd8aee8 R11: 0000000000000246 R12: 0000000000000004
[   33.197199][  T400] R13: 00000000686e21bf R14: 0000000000499600 R15: 0000000000000000
| [   33.314656][  T401] ------------[ cut here ]------------
| [ 33.314970][ T401] WARNING: CPU: 0 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) 
| [   33.315514][  T401] Modules linked in: 8021q vrf veth
| [   33.316393][  T401] Tainted: [W]=WARN
[   33.316603][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.316966][ 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) 
[ 33.317249][ 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
[   33.318243][  T401] RSP: 0018:ffffc90000597140 EFLAGS: 00010246
[   33.318596][  T401] RAX: 0000000000000000 RBX: ffff888007944000 RCX: 0000000000000001
[   33.319016][  T401] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   33.319429][  T401] RBP: ffffc90000597230 R08: ffff88800be7d000 R09: 0000000000000000
[   33.319855][  T401] R10: ffffc900005975c8 R11: ffffffffa6a50668 R12: 1ffff920000b2e2c
[   33.320272][  T401] R13: 00000000000005dc R14: ffffc90000597880 R15: ffff88800a5a7be0
[   33.320702][  T401] FS:  00007ff5b1a5a800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   33.321178][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.321521][  T401] CR2: 00000000004e7378 CR3: 00000000090fa006 CR4: 0000000000772ef0
[   33.322071][  T401] PKRU: 55555554
[   33.322283][  T401] Call Trace:
[   33.322488][  T401]  <TASK>
[ 33.322812][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.323092][ T401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.323365][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.323797][ T401] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 33.324074][ T401] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 33.324349][ T401] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.324660][ T401] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 33.324946][ T401] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.325293][ T401] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.325565][ T401] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.325846][ T401] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.326123][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.326400][ 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) 
[ 33.326686][ T401] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.327025][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.327298][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.327572][ T401] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.327853][ T401] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.328127][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.328401][ T401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.328696][ T401] ? __create_object (mm/kmemleak.c:771) 
[ 33.328973][ T401] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.329247][ T401] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.329529][ T401] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.329891][ T401] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.330170][ T401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.330451][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.330730][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.331015][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.331288][ T401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.331559][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.331841][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.332114][ T401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.332386][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.332681][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.332972][ T401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.333245][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.333517][ T401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.333810][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.334082][ 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) 
[ 33.334356][ T401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.334637][ T401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.334918][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.335195][ T401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.335470][ T401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.335754][ T401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.336034][ T401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.336311][ T401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.336582][ T401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.336961][ T401] ___sys_sendmsg (net/socket.c:2670) 
[ 33.337243][ T401] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.337516][ 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) 
[ 33.337865][ T401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.338141][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.338415][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.338703][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.338977][ 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) 
[ 33.339256][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.339546][ T401] __sys_sendmsg (net/socket.c:2700) 
[ 33.339831][ T401] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.340172][ T401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.340459][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.340753][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.341029][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.341373][  T401] RIP: 0033:0x7ff5b1c271e7
[ 33.341665][ 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)
[   33.342649][  T401] RSP: 002b:00007fff5d57d588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.343067][  T401] RAX: ffffffffffffffda RBX: 00007fff5d57dcb0 RCX: 00007ff5b1c271e7
[   33.343480][  T401] RDX: 0000000000000000 RSI: 00007fff5d57d5f0 RDI: 0000000000000005
[   33.343896][  T401] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   33.344304][  T401] R10: 00007ff5b1b24ee8 R11: 0000000000000246 R12: 0000000000000004
[   33.344728][  T401] R13: 00000000686e21bf R14: 0000000000499600 R15: 0000000000000000
| [   33.446744][  T402] ------------[ cut here ]------------
| [ 33.447057][ T402] WARNING: CPU: 3 PID: 402 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.447602][  T402] Modules linked in: 8021q vrf veth
| [   33.449495][  T402] Tainted: [W]=WARN
[   33.449722][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.450069][ T402] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.450367][ T402] 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
[   33.451361][  T402] RSP: 0018:ffffc900008e7140 EFLAGS: 00010246
[   33.451715][  T402] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   33.452142][  T402] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   33.452553][  T402] RBP: ffffc900008e7230 R08: ffff8880093bb800 R09: 0000000000000000
[   33.452972][  T402] R10: ffffc900008e75c8 R11: ffffffffa6a50668 R12: 1ffff9200011ce2c
[   33.453388][  T402] R13: 00000000000005dc R14: ffffc900008e7880 R15: ffff88800a5a5fe0
[   33.453809][  T402] FS:  00007fb8e1601800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   33.454303][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.454661][  T402] CR2: 00000000004e5aa8 CR3: 0000000004c05005 CR4: 0000000000772ef0
[   33.455079][  T402] PKRU: 55555554
[   33.455286][  T402] Call Trace:
[   33.455493][  T402]  <TASK>
[ 33.455642][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.455932][ T402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.456208][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.456487][ T402] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 33.456769][ T402] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 33.457045][ T402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.457324][ T402] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 33.457616][ T402] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.457973][ T402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.458248][ T402] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.458521][ T402] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.458807][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.459087][ T402] ? __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) 
[ 33.459362][ T402] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.459720][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.460005][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.460277][ T402] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.460551][ T402] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.460838][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.461114][ T402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.461386][ T402] ? __create_object (mm/kmemleak.c:771) 
[ 33.461673][ T402] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.461951][ T402] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.462232][ T402] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.462573][ T402] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.462869][ T402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.463148][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.463421][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.463711][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.463989][ T402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.464268][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.464544][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.464829][ T402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.465104][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.465383][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.465675][ T402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.465951][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.466229][ T402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.466522][ T402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.466809][ T402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.467085][ T402] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.467362][ T402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.467649][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.467931][ T402] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.468211][ T402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.468492][ T402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.468788][ T402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.469067][ T402] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.469341][ T402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.469714][ T402] ___sys_sendmsg (net/socket.c:2670) 
[ 33.469988][ T402] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.470262][ T402] ? __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) 
[ 33.470622][ T402] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.470899][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.471176][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.471456][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.471742][ T402] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.472017][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.472300][ T402] __sys_sendmsg (net/socket.c:2700) 
[ 33.472578][ T402] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.472937][ T402] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.473226][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.473503][ T402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.473788][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.474130][  T402] RIP: 0033:0x7fb8e17ce1e7
[ 33.474416][ T402] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.475423][  T402] RSP: 002b:00007ffe2f5aae38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.475865][  T402] RAX: ffffffffffffffda RBX: 00007ffe2f5ab560 RCX: 00007fb8e17ce1e7
[   33.476277][  T402] RDX: 0000000000000000 RSI: 00007ffe2f5aaea0 RDI: 0000000000000005
[   33.476703][  T402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   33.477117][  T402] R10: 00007fb8e16cbee8 R11: 0000000000000246 R12: 0000000000000004
[   33.477528][  T402] R13: 00000000686e21bf R14: 0000000000499600 R15: 0000000000000000
| [   33.714945][  T406] ------------[ cut here ]------------
| [ 33.715328][ T406] WARNING: CPU: 1 PID: 406 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.715880][  T406] Modules linked in: 8021q vrf veth
| [   33.716745][  T406] Tainted: [W]=WARN
[   33.716957][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.717301][ T406] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.717585][ T406] 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
[   33.718588][  T406] RSP: 0018:ffffc900008f7140 EFLAGS: 00010246
[   33.718943][  T406] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   33.719352][  T406] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   33.719780][  T406] RBP: ffffc900008f7230 R08: ffff888009893800 R09: 0000000000000000
[   33.720188][  T406] R10: ffffc900008f75c8 R11: ffffffffa6a50668 R12: 1ffff9200011ee2c
[   33.720600][  T406] R13: 000000000000fffe R14: ffffc900008f7880 R15: ffff888004cd4ae0
[   33.721031][  T406] FS:  00007fabfab1f800(0000) GS:ffff88808e537000(0000) knlGS:0000000000000000
[   33.721509][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.723241][  T406] CR2: 00000000004e5aa0 CR3: 0000000002561004 CR4: 0000000000772ef0
[   33.723698][  T406] PKRU: 55555554
[   33.723906][  T406] Call Trace:
[   33.724110][  T406]  <TASK>
[ 33.724249][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.724529][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.724814][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.725091][ T406] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 33.725364][ T406] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 33.725671][ T406] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.725949][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 33.726227][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.726571][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.726852][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.727124][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.727405][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.727692][ T406] ? __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) 
[ 33.727967][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.728305][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.728580][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.728859][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.729133][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.729407][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.729702][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.729974][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 33.730248][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.730522][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.730804][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.731144][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.731427][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.731718][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.731998][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.732279][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.732552][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.732830][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.733105][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.733377][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.733659][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.733942][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.734221][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.734495][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.734777][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.735062][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.735333][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.735619][ T406] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.735900][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.736173][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.736450][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.736734][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.737016][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.737296][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.737573][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.737858][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.738208][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 33.738479][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.738758][ T406] ? __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) 
[ 33.739100][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.739377][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.739671][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.739957][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.740240][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.740514][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.740795][ T406] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 33.741076][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 33.741347][ T406] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 33.741693][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.741979][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.742263][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.742540][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.742888][  T406] RIP: 0033:0x7fabfacec1e7
[ 33.743174][ T406] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.744162][  T406] RSP: 002b:00007ffef7315678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.744578][  T406] RAX: ffffffffffffffda RBX: 00007ffef7315da0 RCX: 00007fabfacec1e7
[   33.744997][  T406] RDX: 0000000000000000 RSI: 00007ffef73156e0 RDI: 0000000000000005
[   33.745409][  T406] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   33.745832][  T406] R10: 00007fabfabe9ee8 R11: 0000000000000246 R12: 0000000000000004
[   33.746242][  T406] R13: 00000000686e21bf R14: 0000000000499600 R15: 0000000000000000
| [   34.022919][  T410] ------------[ cut here ]------------
| [ 34.023240][ T410] WARNING: CPU: 0 PID: 410 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.023823][  T410] Modules linked in: 8021q vrf veth
| [   34.024701][  T410] Tainted: [W]=WARN
[   34.024913][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.025267][ T410] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.025570][ T410] 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
[   34.026585][  T410] RSP: 0018:ffffc90000797140 EFLAGS: 00010246
[   34.026944][  T410] RAX: 0000000000000000 RBX: ffff888009421000 RCX: 0000000000000001
[   34.027356][  T410] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   34.027783][  T410] RBP: ffffc90000797230 R08: ffff88800bc70800 R09: 0000000000000000
[   34.028202][  T410] R10: ffffc900007975c8 R11: ffffffffa6a50668 R12: 1ffff920000f2e2c
[   34.028650][  T410] R13: 000000000000fffe R14: ffffc90000797880 R15: ffff888004cd6360
[   34.029068][  T410] FS:  00007f5086666800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   34.029581][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.029949][  T410] CR2: 00000000004e7370 CR3: 0000000005018003 CR4: 0000000000772ef0
[   34.030366][  T410] PKRU: 55555554
[   34.030582][  T410] Call Trace:
[   34.030802][  T410]  <TASK>
[ 34.030944][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.031226][ T410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.031513][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.031807][ T410] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.032093][ T410] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.032371][ T410] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.032711][ T410] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.032996][ T410] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.033344][ T410] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.033641][ T410] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.033921][ T410] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.034199][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.034486][ T410] ? __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) 
[ 34.034775][ T410] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.035119][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.035393][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.035690][ T410] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.035973][ T410] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.036248][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.036535][ T410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.036820][ T410] ? __create_object (mm/kmemleak.c:771) 
[ 34.037100][ T410] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.037375][ T410] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.037673][ T410] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.038016][ T410] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.038302][ T410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.038591][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.038875][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.039157][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.039434][ T410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.039743][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.040020][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.040292][ T410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.040586][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.040877][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.041158][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.041433][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.041726][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.042014][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.042287][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.042579][ T410] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.042868][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.043144][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.043426][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.043726][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.044002][ T410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.044283][ T410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.044577][ T410] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.044865][ T410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.045219][ T410] ___sys_sendmsg (net/socket.c:2670) 
[ 34.045503][ T410] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.045791][ T410] ? __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) 
[ 34.046135][ T410] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.046413][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.046723][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.047005][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.047278][ T410] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.047569][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.047864][ T410] __sys_sendmsg (net/socket.c:2700) 
[ 34.048138][ T410] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.048489][ T410] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.048811][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.049088][ T410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.049366][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.049739][  T410] RIP: 0033:0x7f50868331e7
[ 34.050027][ T410] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.051053][  T410] RSP: 002b:00007fff3ebd6098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.051469][  T410] RAX: ffffffffffffffda RBX: 00007fff3ebd67c0 RCX: 00007f50868331e7
[   34.051892][  T410] RDX: 0000000000000000 RSI: 00007fff3ebd6100 RDI: 0000000000000005
[   34.052305][  T410] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   34.052732][  T410] R10: 00007f5086730ee8 R11: 0000000000000246 R12: 0000000000000004
[   34.053143][  T410] R13: 00000000686e21bf R14: 0000000000499600 R15: 0000000000000000
| [   34.303114][  T414] ------------[ cut here ]------------
| [ 34.303470][ T414] WARNING: CPU: 2 PID: 414 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.305188][  T414] Modules linked in: 8021q vrf veth
| [   34.306102][  T414] Tainted: [W]=WARN
[   34.306326][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.306698][ T414] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.306999][ T414] 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
[   34.308017][  T414] RSP: 0018:ffffc90000917140 EFLAGS: 00010246
[   34.308383][  T414] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   34.308827][  T414] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   34.309252][  T414] RBP: ffffc90000917230 R08: ffff88800bc38800 R09: 0000000000000000
[   34.309715][  T414] R10: ffffc900009175c8 R11: ffffffffa6a50668 R12: 1ffff92000122e2c
[   34.310140][  T414] R13: 000000000000fffe R14: ffffc90000917880 R15: ffff888004cd7860
[   34.310562][  T414] FS:  00007febff9a2800(0000) GS:ffff88808e5b7000(0000) knlGS:0000000000000000
[   34.311071][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.311433][  T414] CR2: 00000000004e5aa8 CR3: 0000000007745002 CR4: 0000000000772ef0
[   34.311882][  T414] PKRU: 55555554
[   34.312104][  T414] Call Trace:
[   34.312325][  T414]  <TASK>
[ 34.312478][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.312786][ T414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.313073][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.313468][ T414] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.313776][ T414] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.314069][ T414] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.314358][ T414] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.314663][ T414] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.315023][ T414] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.315339][ T414] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.315645][ T414] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.315948][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.316245][ T414] ? __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) 
[ 34.316536][ T414] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.316909][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.317206][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.317493][ T414] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.317797][ T414] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.318095][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.318386][ T414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.318683][ T414] ? __create_object (mm/kmemleak.c:771) 
[ 34.318979][ T414] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.319266][ T414] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.319575][ T414] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.319945][ T414] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.320244][ T414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.320543][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.320847][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.321140][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.321431][ T414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.321810][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.322113][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.322402][ T414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.322727][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.323026][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.323321][ T414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.323620][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.323911][ T414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.324211][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.324497][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.324806][ T414] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.325099][ T414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.325388][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.325714][ T414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.326017][ T414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.326308][ T414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.326621][ T414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.326917][ T414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.327213][ T414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.327577][ T414] ___sys_sendmsg (net/socket.c:2670) 
[ 34.327879][ T414] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.328164][ T414] ? __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) 
[ 34.328520][ T414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.328819][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.329112][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.329411][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.329724][ T414] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.330012][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.330309][ T414] __sys_sendmsg (net/socket.c:2700) 
[ 34.330593][ T414] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.330958][ T414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.331258][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.331555][ T414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.331855][ T414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.332210][  T414] RIP: 0033:0x7febffb6f1e7
[ 34.332508][ T414] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.333518][  T414] RSP: 002b:00007fffe10e38a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.333962][  T414] RAX: ffffffffffffffda RBX: 00007fffe10e3fd0 RCX: 00007febffb6f1e7
[   34.334389][  T414] RDX: 0000000000000000 RSI: 00007fffe10e3910 RDI: 0000000000000005
[   34.334824][  T414] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   34.335253][  T414] R10: 00007febffa6cee8 R11: 0000000000000246 R12: 0000000000000004
[   34.335692][  T414] R13: 00000000686e21c0 R14: 0000000000499600 R15: 0000000000000000
| [   34.596338][  T418] ------------[ cut here ]------------
| [ 34.596670][ T418] WARNING: CPU: 3 PID: 418 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.597215][  T418] Modules linked in: 8021q vrf veth
| [   34.598075][  T418] Tainted: [W]=WARN
[   34.598291][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.598652][ T418] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.598940][ T418] 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
[   34.599950][  T418] RSP: 0018:ffffc90000867140 EFLAGS: 00010246
[   34.600315][  T418] RAX: 0000000000000000 RBX: ffff888007944000 RCX: 0000000000000001
[   34.600739][  T418] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   34.601164][  T418] RBP: ffffc90000867230 R08: ffff8880052cb800 R09: 0000000000000000
[   34.601582][  T418] R10: ffffc900008675c8 R11: ffffffffa6a50668 R12: 1ffff9200010ce2c
[   34.602007][  T418] R13: 000000000000fffe R14: ffffc90000867880 R15: ffff88800a5a4060
[   34.602422][  T418] FS:  00007f3960654800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   34.602914][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.603265][  T418] CR2: 00000000004e7378 CR3: 00000000097e3001 CR4: 0000000000772ef0
[   34.603690][  T418] PKRU: 55555554
[   34.603901][  T418] Call Trace:
[   34.604110][  T418]  <TASK>
[ 34.604251][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.604533][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.604816][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.605098][ T418] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.605375][ T418] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.605663][ T418] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.605944][ T418] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.606225][ T418] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.606576][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.606862][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.607137][ T418] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.607417][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.607706][ T418] ? __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) 
[ 34.607986][ T418] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.608331][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.608620][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.608899][ T418] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.609174][ T418] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.609451][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.609757][ T418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.610031][ T418] ? __create_object (mm/kmemleak.c:771) 
[ 34.610310][ T418] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.610589][ T418] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.610891][ T418] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.611233][ T418] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.611513][ T418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.611806][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.612082][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.612362][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.612649][ T418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.612928][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.613206][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.613478][ T418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.613763][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.614042][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.614319][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.614593][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.614883][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.615169][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.615442][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.615731][ T418] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.616010][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.616284][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.616566][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.616856][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.617133][ T418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.617417][ T418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.617706][ T418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.617983][ T418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.618333][ T418] ___sys_sendmsg (net/socket.c:2670) 
[ 34.618616][ T418] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.618893][ T418] ? __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) 
[ 34.619235][ T418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.619528][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.619822][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.620103][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.620378][ T418] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.620668][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.620950][ T418] __sys_sendmsg (net/socket.c:2700) 
[ 34.621227][ T418] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.621571][ T418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.621876][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.622154][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.622431][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.622784][  T418] RIP: 0033:0x7f39608211e7
[ 34.623071][ T418] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.624065][  T418] RSP: 002b:00007ffe2cc7f078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.624484][  T418] RAX: ffffffffffffffda RBX: 00007ffe2cc7f7a0 RCX: 00007f39608211e7
[   34.624904][  T418] RDX: 0000000000000000 RSI: 00007ffe2cc7f0e0 RDI: 0000000000000005
[   34.625314][  T418] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   34.625734][  T418] R10: 00007f396071eee8 R11: 0000000000000246 R12: 0000000000000004
[   34.626145][  T418] R13: 00000000686e21c0 R14: 0000000000499600 R15: 0000000000000000
| [   35.629646][  T427] ------------[ cut here ]------------
| [ 35.629967][ T427] WARNING: CPU: 3 PID: 427 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.630510][  T427] Modules linked in: 8021q vrf veth
| [   35.632656][  T427] Tainted: [W]=WARN
[   35.632867][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.633209][ T427] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.633491][ T427] 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
[   35.634479][  T427] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   35.634838][  T427] RAX: 0000000000000000 RBX: ffff888009421000 RCX: 0000000000000001
[   35.635253][  T427] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   35.635680][  T427] RBP: ffffc90000957230 R08: ffff888004c6e800 R09: 0000000000000000
[   35.636095][  T427] R10: ffffc900009575c8 R11: ffffffffa6a50668 R12: 1ffff9200012ae2c
[   35.636507][  T427] R13: 00000000000005dc R14: ffffc90000957880 R15: ffff888008e6c3e0
[   35.636925][  T427] FS:  00007ff5aed8c800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   35.637409][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.637771][  T427] CR2: 00000000004e7370 CR3: 00000000020d7003 CR4: 0000000000772ef0
[   35.638190][  T427] PKRU: 55555554
[   35.638400][  T427] Call Trace:
[   35.638615][  T427]  <TASK>
[ 35.638757][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.639036][ T427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.639309][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.639602][ T427] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.639899][ T427] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.640176][ T427] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.640456][ T427] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.640744][ T427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.641091][ T427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.641365][ T427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.641646][ T427] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.641929][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.642207][ T427] ? __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) 
[ 35.642484][ T427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.642836][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.643113][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.643388][ T427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.643669][ T427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.643955][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.644227][ T427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.644501][ T427] ? __create_object (mm/kmemleak.c:771) 
[ 35.644788][ T427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.645063][ T427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.645338][ T427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.645688][ T427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.645970][ T427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.646255][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.646527][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.646815][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.647090][ T427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.647362][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.647645][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.647918][ T427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.648194][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.648477][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.648766][ T427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.649042][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.649317][ T427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.649627][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.649902][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.650186][ T427] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.650465][ T427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.650748][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.651028][ T427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.651305][ T427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.651579][ T427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.651873][ T427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.652152][ T427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.652429][ T427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.652790][ T427] ___sys_sendmsg (net/socket.c:2670) 
[ 35.653063][ T427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.653337][ T427] ? __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) 
[ 35.653688][ T427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.653965][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.654243][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.654527][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.654808][ T427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.655084][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.655365][ T427] __sys_sendmsg (net/socket.c:2700) 
[ 35.655645][ T427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.655985][ T427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.656273][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.656554][ T427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.656840][ T427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.657182][  T427] RIP: 0033:0x7ff5aef591e7
[ 35.657467][ T427] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.658478][  T427] RSP: 002b:00007ffddf2b0f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.658900][  T427] RAX: ffffffffffffffda RBX: 00007ffddf2b1650 RCX: 00007ff5aef591e7
[   35.659310][  T427] RDX: 0000000000000000 RSI: 00007ffddf2b0f90 RDI: 0000000000000005
[   35.659737][  T427] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.660149][  T427] R10: 00007ff5aee56ee8 R11: 0000000000000246 R12: 0000000000000004
[   35.660563][  T427] R13: 00000000686e21c1 R14: 0000000000499600 R15: 0000000000000000
| [   35.766808][  T428] ------------[ cut here ]------------
| [ 35.767120][ T428] WARNING: CPU: 1 PID: 428 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.767675][  T428] Modules linked in: 8021q vrf veth
| [   35.768526][  T428] Tainted: [W]=WARN
[   35.768743][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.769086][ T428] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.769372][ T428] 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
[   35.770378][  T428] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[   35.770921][  T428] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   35.771332][  T428] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   35.771750][  T428] RBP: ffffc900005a7230 R08: ffff8880099cb800 R09: 0000000000000000
[   35.772165][  T428] R10: ffffc900005a75c8 R11: ffffffffa6a50668 R12: 1ffff920000b4e2c
[   35.772572][  T428] R13: 00000000000005dc R14: ffffc900005a7880 R15: ffff888008e6f160
[   35.772988][  T428] FS:  00007f465c120800(0000) GS:ffff88808e537000(0000) knlGS:0000000000000000
[   35.773466][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.773824][  T428] CR2: 00000000004e5aa0 CR3: 000000000cc09004 CR4: 0000000000772ef0
[   35.774235][  T428] PKRU: 55555554
[   35.774442][  T428] Call Trace:
[   35.774659][  T428]  <TASK>
[ 35.774799][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.775079][ T428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.775352][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.775638][ T428] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.775920][ T428] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.776201][ T428] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.776479][ T428] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.776769][ T428] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.777115][ T428] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.777389][ T428] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.777675][ T428] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.777952][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.778228][ T428] ? __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) 
[ 35.778502][ T428] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.778853][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.779133][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.779409][ T428] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.779706][ T428] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.779983][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.780259][ T428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.780532][ T428] ? __create_object (mm/kmemleak.c:771) 
[ 35.780819][ T428] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.781093][ T428] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.781370][ T428] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.781720][ T428] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.782009][ T428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.782288][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.782561][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.782853][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.783131][ T428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.783403][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.783688][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.783963][ T428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.784247][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.784527][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.784819][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.785095][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.785371][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.785665][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.785938][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.786220][ T428] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.786497][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.786783][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.787066][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.787346][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.787637][ T428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.787918][ T428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.788204][ T428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.788478][ T428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.788844][ T428] ___sys_sendmsg (net/socket.c:2670) 
[ 35.789119][ T428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.789393][ T428] ? __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) 
[ 35.789759][ T428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.790039][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.790324][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.790638][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.790916][ T428] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.791191][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.791472][ T428] __sys_sendmsg (net/socket.c:2700) 
[ 35.791757][ T428] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.792098][ T428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.792431][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.792722][ T428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.793000][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.793341][  T428] RIP: 0033:0x7f465c2ed1e7
[ 35.793636][ T428] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.794644][  T428] RSP: 002b:00007ffe18ab5c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.795064][  T428] RAX: ffffffffffffffda RBX: 00007ffe18ab6340 RCX: 00007f465c2ed1e7
[   35.795475][  T428] RDX: 0000000000000000 RSI: 00007ffe18ab5c80 RDI: 0000000000000005
[   35.795898][  T428] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.796318][  T428] R10: 00007f465c1eaee8 R11: 0000000000000246 R12: 0000000000000004
[   35.796740][  T428] R13: 00000000686e21c1 R14: 0000000000499600 R15: 0000000000000000
| [   35.925258][  T429] ------------[ cut here ]------------
| [ 35.925571][ T429] WARNING: CPU: 0 PID: 429 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.926130][  T429] Modules linked in: 8021q vrf veth
| [   35.927469][  T429] Tainted: [W]=WARN
[   35.927691][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.928039][ T429] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.928329][ T429] 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
[   35.929323][  T429] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   35.929689][  T429] RAX: 0000000000000000 RBX: ffff888007944000 RCX: 0000000000000001
[   35.930104][  T429] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   35.930513][  T429] RBP: ffffc90000957230 R08: ffff888004d2a000 R09: 0000000000000000
[   35.930942][  T429] R10: ffffc900009575c8 R11: ffffffffa6a50668 R12: 1ffff9200012ae2c
[   35.931361][  T429] R13: 00000000000005dc R14: ffffc90000957880 R15: ffff888008e6dc60
[   35.931777][  T429] FS:  00007fc86abb6800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   35.932257][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.932601][  T429] CR2: 00000000004e7378 CR3: 000000000a663005 CR4: 0000000000772ef0
[   35.933023][  T429] PKRU: 55555554
[   35.933234][  T429] Call Trace:
[   35.933440][  T429]  <TASK>
[ 35.933579][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.933867][ T429] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.934142][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.934419][ T429] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.934714][ T429] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.934991][ T429] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.935274][ T429] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.935554][ T429] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.935911][ T429] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.936186][ T429] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.936458][ T429] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.936748][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.937027][ T429] ? __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) 
[ 35.937308][ T429] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.937657][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.937935][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.938208][ T429] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.938481][ T429] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.938769][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.939046][ T429] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.939323][ T429] ? __create_object (mm/kmemleak.c:771) 
[ 35.939620][ T429] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.939897][ T429] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.940171][ T429] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.940514][ T429] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.940805][ T429] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.941085][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.941359][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.941654][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.941931][ T429] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.942203][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.942477][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.942760][ T429] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.943037][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.943313][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.943598][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.943884][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.944160][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.944445][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.944727][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.945005][ T429] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.945282][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.945559][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.945849][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.946129][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.946404][ T429] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.946697][ T429] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.946975][ T429] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.947248][ T429] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.947616][ T429] ___sys_sendmsg (net/socket.c:2670) 
[ 35.947889][ T429] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.948163][ T429] ? __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) 
[ 35.948503][ T429] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.948790][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.949066][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.949347][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.949642][ T429] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.949924][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.950207][ T429] __sys_sendmsg (net/socket.c:2700) 
[ 35.950479][ T429] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.950828][ T429] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.951115][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.951394][ T429] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.951680][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.952027][  T429] RIP: 0033:0x7fc86ad831e7
[ 35.952311][ T429] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.953302][  T429] RSP: 002b:00007ffc732e84d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.953732][  T429] RAX: ffffffffffffffda RBX: 00007ffc732e8c00 RCX: 00007fc86ad831e7
[   35.954145][  T429] RDX: 0000000000000000 RSI: 00007ffc732e8540 RDI: 0000000000000005
[   35.954554][  T429] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.954971][  T429] R10: 00007fc86ac80ee8 R11: 0000000000000246 R12: 0000000000000004
[   35.955382][  T429] R13: 00000000686e21c1 R14: 0000000000499600 R15: 0000000000000000
| [   36.057035][  T430] ------------[ cut here ]------------
| [ 36.057354][ 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) 
| [   36.057914][  T430] Modules linked in: 8021q vrf veth
| [   36.058770][  T430] Tainted: [W]=WARN
[   36.058989][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.059333][ 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) 
[ 36.059651][ 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
[   36.060637][  T430] RSP: 0018:ffffc900008f7140 EFLAGS: 00010246
[   36.060986][  T430] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   36.061400][  T430] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   36.061822][  T430] RBP: ffffc900008f7230 R08: ffff8880060be800 R09: 0000000000000000
[   36.062231][  T430] R10: ffffc900008f75c8 R11: ffffffffa6a50668 R12: 1ffff9200011ee2c
[   36.062650][  T430] R13: 00000000000005dc R14: ffffc900008f7880 R15: ffff888008e6c060
[   36.063067][  T430] FS:  00007f98be2b8800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   36.063552][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.063907][  T430] CR2: 00000000004e5aa8 CR3: 00000000090d5006 CR4: 0000000000772ef0
[   36.064320][  T430] PKRU: 55555554
[   36.064525][  T430] Call Trace:
[   36.064737][  T430]  <TASK>
[ 36.064878][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.065161][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.065433][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.065720][ T430] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.065995][ T430] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.066271][ T430] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.066550][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.066845][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.067200][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.067474][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.067760][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.068038][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.068315][ 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) 
[ 36.068591][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.068942][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.069225][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.069508][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.069795][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.070072][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.070345][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.070628][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 36.070906][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.071185][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.071467][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.071820][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.072101][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.072383][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.072668][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.072951][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.073225][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.073505][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.073793][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.074071][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.074347][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.074637][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.074917][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.075193][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.075470][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.075773][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.076046][ 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) 
[ 36.076323][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.076602][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.076884][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.077164][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.077441][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.077731][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.078011][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.078288][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.078566][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.078930][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 36.079206][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.079481][ 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) 
[ 36.079859][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.080137][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.080414][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.080703][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.080980][ 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) 
[ 36.081254][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.081535][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 36.081823][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.082162][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.082450][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.082733][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.083011][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.083350][  T430] RIP: 0033:0x7f98be4851e7
[ 36.083643][ 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)
[   36.084641][  T430] RSP: 002b:00007ffec7f39a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.085060][  T430] RAX: ffffffffffffffda RBX: 00007ffec7f3a150 RCX: 00007f98be4851e7
[   36.085470][  T430] RDX: 0000000000000000 RSI: 00007ffec7f39a90 RDI: 0000000000000005
[   36.085897][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.086307][  T430] R10: 00007f98be382ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.086742][  T430] R13: 00000000686e21c1 R14: 0000000000499600 R15: 0000000000000000
| [   36.553497][  T446] ------------[ cut here ]------------
| [ 36.553836][ T446] WARNING: CPU: 0 PID: 446 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.554393][  T446] Modules linked in: 8021q vrf veth
| [   36.555263][  T446] Tainted: [W]=WARN
[   36.555476][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.555853][ T446] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.556141][ T446] 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
[   36.558092][  T446] RSP: 0018:ffffc900008f7140 EFLAGS: 00010246
[   36.558459][  T446] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   36.558890][  T446] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   36.559304][  T446] RBP: ffffc900008f7230 R08: ffff888004f7d000 R09: 0000000000000000
[   36.559749][  T446] R10: ffffc900008f75c8 R11: ffffffffa6a50668 R12: 1ffff9200011ee2c
[   36.560165][  T446] R13: 0000000000000044 R14: ffffc900008f7880 R15: ffff888004e6ede0
[   36.560579][  T446] FS:  00007fd089933800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   36.561067][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.561418][  T446] CR2: 00000000004e5aa0 CR3: 00000000093b3005 CR4: 0000000000772ef0
[   36.561840][  T446] PKRU: 55555554
[   36.562047][  T446] Call Trace:
[   36.562252][  T446]  <TASK>
[ 36.562392][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.562681][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.562959][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.563240][ T446] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.563515][ T446] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.563816][ T446] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.564105][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.564386][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.564745][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.565023][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.565300][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.565577][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.565865][ T446] ? __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) 
[ 36.566144][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.566488][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.566771][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.567046][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.567322][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.567597][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.567891][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.568163][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 36.568437][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.568721][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.568999][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.569342][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.569641][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.569926][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.570199][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.570478][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.570761][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.571033][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.571309][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.571580][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.571877][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.572162][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.572442][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.572724][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.573006][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.573292][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.573568][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.573856][ T446] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.574136][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.574411][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.574698][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.574977][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.575253][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.575536][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.575835][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.576111][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.576465][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 36.576751][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.577027][ T446] ? __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) 
[ 36.577371][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.577660][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.577940][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.578225][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.578502][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.578786][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.579072][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 36.579344][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.579718][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.580006][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.580283][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.580560][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.580910][  T446] RIP: 0033:0x7fd089b001e7
[ 36.581198][ T446] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.582188][  T446] RSP: 002b:00007fff999c8af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.582618][  T446] RAX: ffffffffffffffda RBX: 00007fff999c9220 RCX: 00007fd089b001e7
[   36.583028][  T446] RDX: 0000000000000000 RSI: 00007fff999c8b60 RDI: 0000000000000005
[   36.583443][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.583890][  T446] R10: 00007fd0899fdee8 R11: 0000000000000246 R12: 0000000000000004
[   36.584307][  T446] R13: 00000000686e21c2 R14: 0000000000499600 R15: 0000000000000000
| [   36.590682][  T446] ------------[ cut here ]------------
| [ 36.591003][ T446] WARNING: CPU: 0 PID: 446 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.591602][  T446] Modules linked in: 8021q vrf veth
| [   36.593153][  T446] Tainted: [W]=WARN
[   36.593382][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.593764][ T446] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.594077][ T446] 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
[   36.595167][  T446] RSP: 0018:ffffc900008f6db0 EFLAGS: 00010246
[   36.595550][  T446] RAX: 0000000000000000 RBX: ffff888009421000 RCX: 0000000000000001
[   36.596007][  T446] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   36.596465][  T446] RBP: ffffc900008f6e98 R08: 0000000000000000 R09: 0000000000000000
[   36.596920][  T446] R10: ffffc900008f6ec8 R11: ffff88800609c000 R12: 1ffff9200011edba
[   36.597370][  T446] R13: 0000000000000044 R14: ffffc900008f6ec8 R15: 00000000000005dc
[   36.597828][  T446] FS:  00007fd089933800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   36.598357][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.598755][  T446] CR2: 00000000004e5aa0 CR3: 00000000093b3005 CR4: 0000000000772ef0
[   36.599213][  T446] PKRU: 55555554
[   36.599438][  T446] Call Trace:
[   36.599679][  T446]  <TASK>
[ 36.599832][ T446] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 36.600138][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.600443][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.600751][ T446] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 36.601050][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.601356][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 36.601665][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.601964][ T446] ? __try_to_del_timer_sync (kernel/time/timer.c:1452) 
[ 36.602279][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.602513][ T446] vlan_device_event (net/8021q/vlan.c:424) 8021q 
[ 36.602844][ T446] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 36.603151][ T446] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 36.603451][ T446] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 36.603834][ T446] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 36.604141][ T446] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 36.604449][ T446] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 36.604761][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.605063][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.605361][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.605672][ T446] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.605970][ T446] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.606271][ T446] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.606576][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.606904][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.607289][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.607588][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.607898][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.608200][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.608503][ T446] ? __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) 
[ 36.608813][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.609193][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.609501][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.609814][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.610118][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.610417][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.610735][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.611039][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 36.611342][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.611659][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.611959][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.612590][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.612904][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.613211][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.613510][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.613824][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.614127][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.614422][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.614740][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.615046][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.615344][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.615655][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.615958][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.616475][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.616787][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.617098][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.617395][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.617919][ T446] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.618222][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.618520][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.618842][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.619156][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.619455][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.619781][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.620084][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.620598][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.620993][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 36.621286][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.621590][ T446] ? __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) 
[ 36.621974][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.622277][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.622579][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.623118][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.623420][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.623728][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.624041][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 36.624552][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.624929][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.625242][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.625543][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.626069][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.626438][  T446] RIP: 0033:0x7fd089b001e7
[ 36.626772][ T446] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.628075][  T446] RSP: 002b:00007fff999c8af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.628525][  T446] RAX: ffffffffffffffda RBX: 00007fff999c9220 RCX: 00007fd089b001e7
[   36.628998][  T446] RDX: 0000000000000000 RSI: 00007fff999c8b60 RDI: 0000000000000005
[   36.629446][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.630134][  T446] R10: 00007fd0899fdee8 R11: 0000000000000246 R12: 0000000000000004
[   36.630579][  T446] R13: 00000000686e21c2 R14: 0000000000499600 R15: 0000000000000000
| [   36.762146][  T447] ------------[ cut here ]------------
| [ 36.762505][ T447] WARNING: CPU: 2 PID: 447 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.763091][  T447] Modules linked in: 8021q vrf veth
| [   36.763991][  T447] Tainted: [W]=WARN
[   36.764217][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.764578][ T447] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.764903][ T447] 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
[   36.765912][  T447] RSP: 0018:ffffc90000a57140 EFLAGS: 00010246
[   36.766275][  T447] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   36.766720][  T447] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   36.767148][  T447] RBP: ffffc90000a57230 R08: ffff88800be7e800 R09: 0000000000000000
[   36.767573][  T447] R10: ffffc90000a575c8 R11: ffffffffa6a50668 R12: 1ffff9200014ae2c
[   36.768017][  T447] R13: 00000000000005dc R14: ffffc90000a57880 R15: ffff888004cd5c60
[   36.768454][  T447] FS:  00007f5bb2f86800(0000) GS:ffff88808e5b7000(0000) knlGS:0000000000000000
[   36.769306][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.769702][  T447] CR2: 00000000004e5aa0 CR3: 000000000586c006 CR4: 0000000000772ef0
[   36.770160][  T447] PKRU: 55555554
[   36.770382][  T447] Call Trace:
[   36.770617][  T447]  <TASK>
[ 36.770775][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.771078][ T447] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.771368][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.771672][ T447] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.771964][ T447] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.772255][ T447] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.772551][ T447] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.772858][ T447] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.773233][ T447] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.773523][ T447] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.773827][ T447] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.774118][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.774411][ T447] ? __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) 
[ 36.774713][ T447] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.775080][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.775370][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.775670][ T447] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.775958][ T447] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.776249][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.776539][ T447] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.776844][ T447] ? __create_object (mm/kmemleak.c:771) 
[ 36.777139][ T447] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.777435][ T447] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.777742][ T447] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.778099][ T447] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.778392][ T447] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.778705][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.778993][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.779284][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.779584][ T447] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.779889][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.780182][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.780467][ T447] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.780768][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.781059][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.781351][ T447] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.781650][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.781945][ T447] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.782241][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.782529][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.782832][ T447] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.783125][ T447] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.783411][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.783720][ T447] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.784017][ T447] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.784304][ T447] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.784598][ T447] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.784904][ T447] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.785193][ T447] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.785555][ T447] ___sys_sendmsg (net/socket.c:2670) 
[ 36.785854][ T447] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.786150][ T447] ? __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) 
[ 36.786510][ T447] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.786821][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.787138][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.787431][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.787736][ T447] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.788023][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.788318][ T447] __sys_sendmsg (net/socket.c:2700) 
[ 36.788633][ T447] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.788991][ T447] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.789289][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.789594][ T447] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.789895][ T447] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.790248][  T447] RIP: 0033:0x7f5bb31531e7
[ 36.790543][ T447] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.791554][  T447] RSP: 002b:00007ffd35a14258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.791992][  T447] RAX: ffffffffffffffda RBX: 00007ffd35a14980 RCX: 00007f5bb31531e7
[   36.792420][  T447] RDX: 0000000000000000 RSI: 00007ffd35a142c0 RDI: 0000000000000005
[   36.792862][  T447] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.793288][  T447] R10: 00007f5bb3050ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.793723][  T447] R13: 00000000686e21c2 R14: 0000000000499600 R15: 0000000000000000
| [   37.017424][  T451] ------------[ cut here ]------------
| [ 37.017761][ T451] WARNING: CPU: 3 PID: 451 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.018316][  T451] Modules linked in: 8021q vrf veth
| [   37.019170][  T451] Tainted: [W]=WARN
[   37.019379][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.019747][ T451] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.020038][ T451] 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
[   37.021026][  T451] RSP: 0018:ffffc90000a47140 EFLAGS: 00010246
[   37.021375][  T451] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   37.022276][  T451] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   37.022698][  T451] RBP: ffffc90000a47230 R08: ffff888004cfb800 R09: 0000000000000000
[   37.023108][  T451] R10: ffffc90000a475c8 R11: ffffffffa6a50668 R12: 1ffff92000148e2c
[   37.023517][  T451] R13: 0000000000000043 R14: ffffc90000a47880 R15: ffff888004cd51e0
[   37.023944][  T451] FS:  00007f27d4098800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   37.024425][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.024779][  T451] CR2: 00000000004e5aa0 CR3: 000000000cd7e004 CR4: 0000000000772ef0
[   37.025196][  T451] PKRU: 55555554
[   37.025401][  T451] Call Trace:
[   37.025615][  T451]  <TASK>
[ 37.025757][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.026046][ T451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.026322][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.026614][ T451] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.026892][ T451] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.027170][ T451] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.027452][ T451] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.027745][ T451] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.028102][ T451] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.028378][ T451] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.028660][ T451] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.028941][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.029221][ T451] ? __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) 
[ 37.029508][ T451] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.029876][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.030156][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.030430][ T451] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.030712][ T451] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.030989][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.031263][ T451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.031534][ T451] ? __create_object (mm/kmemleak.c:771) 
[ 37.031821][ T451] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.032103][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.032377][ T451] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.032725][ T451] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.033006][ T451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.033286][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.033558][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.033849][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.034129][ T451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.034408][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.034693][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.034968][ T451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.035244][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.035521][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.035811][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.036088][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.036372][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.036665][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.036941][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.037215][ T451] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.037492][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.037779][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.038059][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.038341][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.038629][ T451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.038912][ T451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.039191][ T451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.039466][ T451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.039843][ T451] ___sys_sendmsg (net/socket.c:2670) 
[ 37.040116][ T451] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.040395][ T451] ? __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) 
[ 37.040758][ T451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.041051][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.041329][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.041621][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.041897][ T451] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.042169][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.042452][ T451] __sys_sendmsg (net/socket.c:2700) 
[ 37.042741][ T451] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.043082][ T451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.043368][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.043672][ T451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.043947][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.044288][  T451] RIP: 0033:0x7f27d42651e7
[ 37.044573][ T451] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.045569][  T451] RSP: 002b:00007fff0b863fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.045994][  T451] RAX: ffffffffffffffda RBX: 00007fff0b864710 RCX: 00007f27d42651e7
[   37.046405][  T451] RDX: 0000000000000000 RSI: 00007fff0b864050 RDI: 0000000000000005
[   37.046831][  T451] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.047241][  T451] R10: 00007f27d4162ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.047662][  T451] R13: 00000000686e21c2 R14: 0000000000499600 R15: 0000000000000000
| [   37.168008][  T452] ------------[ cut here ]------------
| [ 37.168362][ T452] WARNING: CPU: 2 PID: 452 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.168947][  T452] Modules linked in: 8021q vrf veth
| [   37.169846][  T452] Tainted: [W]=WARN
[   37.170074][  T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.170434][ T452] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.170748][ T452] 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
[   37.171766][  T452] RSP: 0018:ffffc90000b07140 EFLAGS: 00010246
[   37.172131][  T452] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   37.172560][  T452] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   37.172995][  T452] RBP: ffffc90000b07230 R08: ffff88800cd82000 R09: 0000000000000000
[   37.173433][  T452] R10: ffffc90000b075c8 R11: ffffffffa6a50668 R12: 1ffff92000160e2c
[   37.173900][  T452] R13: 00000000000005dc R14: ffffc90000b07880 R15: ffff888004cd4e60
[   37.174329][  T452] FS:  00007f339ecec800(0000) GS:ffff88808e5b7000(0000) knlGS:0000000000000000
[   37.174839][  T452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.175208][  T452] CR2: 00000000004e5aa0 CR3: 000000000a787005 CR4: 0000000000772ef0
[   37.175652][  T452] PKRU: 55555554
[   37.175873][  T452] Call Trace:
[   37.176092][  T452]  <TASK>
[ 37.176246][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.176546][ T452] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.176846][ T452] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.177140][ T452] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.177427][ T452] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.177727][ T452] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.178022][ T452] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.178323][ T452] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.178702][ T452] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.178994][ T452] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.179281][ T452] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.179595][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.179914][ T452] ? __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) 
[ 37.180203][ T452] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.180556][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.180857][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.181143][ T452] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.181431][ T452] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.181729][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.182055][ T452] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.182339][ T452] ? __create_object (mm/kmemleak.c:771) 
[ 37.182645][ T452] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.182938][ T452] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.183225][ T452] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.183576][ T452] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.183884][ T452] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.184181][ T452] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.184468][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.184776][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.185065][ T452] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.185348][ T452] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.185648][ T452] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.185934][ T452] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.186222][ T452] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.186522][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.186828][ T452] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.187121][ T452] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.187407][ T452] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.187719][ T452] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.188005][ T452] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.188297][ T452] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.188590][ T452] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.188891][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.189187][ T452] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.189490][ T452] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.189791][ T452] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.190090][ T452] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.190384][ T452] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.190693][ T452] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.191069][ T452] ___sys_sendmsg (net/socket.c:2670) 
[ 37.191356][ T452] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.191653][ T452] ? __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) 
[ 37.192011][ T452] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.192301][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.192593][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.192905][ T452] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.193196][ T452] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.193481][ T452] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.193789][ T452] __sys_sendmsg (net/socket.c:2700) 
[ 37.194073][ T452] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.194430][ T452] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.194744][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.195037][ T452] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.195335][ T452] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.195702][  T452] RIP: 0033:0x7f339eeb91e7
[ 37.196002][ T452] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.196999][  T452] RSP: 002b:00007ffd6f429e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.197437][  T452] RAX: ffffffffffffffda RBX: 00007ffd6f42a590 RCX: 00007f339eeb91e7
[   37.197874][  T452] RDX: 0000000000000000 RSI: 00007ffd6f429ed0 RDI: 0000000000000005
[   37.198296][  T452] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.198733][  T452] R10: 00007f339edb6ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.199168][  T452] R13: 00000000686e21c3 R14: 0000000000499600 R15: 0000000000000000
| [   37.582706][  T459] ------------[ cut here ]------------
| [ 37.583032][ T459] WARNING: CPU: 0 PID: 459 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.583579][  T459] Modules linked in: 8021q vrf veth
| [   37.584449][  T459] Tainted: [W]=WARN
[   37.584673][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.585024][ T459] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.585313][ T459] 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
[   37.586316][  T459] RSP: 0018:ffffc90000a57140 EFLAGS: 00010246
[   37.587497][  T459] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   37.587923][  T459] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   37.588334][  T459] RBP: ffffc90000a57230 R08: ffff88800a4f8800 R09: 0000000000000000
[   37.588758][  T459] R10: ffffc90000a575c8 R11: ffffffffa6a50668 R12: 1ffff9200014ae2c
[   37.589170][  T459] R13: 0000000000000044 R14: ffffc90000a57880 R15: ffff88800a5a6de0
[   37.589616][  T459] FS:  00007f91a7409800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   37.590099][  T459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.590445][  T459] CR2: 00000000004e5aa8 CR3: 0000000005034002 CR4: 0000000000772ef0
[   37.590870][  T459] PKRU: 55555554
[   37.591077][  T459] Call Trace:
[   37.591283][  T459]  <TASK>
[ 37.591429][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.591720][ T459] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.591995][ T459] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.592273][ T459] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.592552][ T459] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.592837][ T459] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.593118][ T459] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.593402][ T459] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.593760][ T459] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.594035][ T459] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.594310][ T459] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.594588][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.594879][ T459] ? __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) 
[ 37.595155][ T459] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.595502][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.595791][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.596063][ T459] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.596339][ T459] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.596624][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.596899][ T459] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.597170][ T459] ? __create_object (mm/kmemleak.c:771) 
[ 37.597452][ T459] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.597751][ T459] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.598027][ T459] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.598368][ T459] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.598660][ T459] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.598943][ T459] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.599218][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.599508][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.599809][ T459] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.600082][ T459] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.600361][ T459] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.600643][ T459] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.600924][ T459] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.601204][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.601485][ T459] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.601771][ T459] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.602053][ T459] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.602339][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.602621][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.602899][ T459] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.603179][ T459] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.603453][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.603748][ T459] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.604030][ T459] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.604306][ T459] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.604588][ T459] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.604879][ T459] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.605155][ T459] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.605509][ T459] ___sys_sendmsg (net/socket.c:2670) 
[ 37.605790][ T459] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.606070][ T459] ? __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) 
[ 37.606414][ T459] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.606701][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.606980][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.607262][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.607537][ T459] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.607819][ T459] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.608110][ T459] __sys_sendmsg (net/socket.c:2700) 
[ 37.608385][ T459] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.608737][ T459] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.609027][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.609301][ T459] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.609594][ T459] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.609943][  T459] RIP: 0033:0x7f91a75d61e7
[ 37.610234][ T459] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.611223][  T459] RSP: 002b:00007ffee75972e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.611645][  T459] RAX: ffffffffffffffda RBX: 00007ffee7597a10 RCX: 00007f91a75d61e7
[   37.612065][  T459] RDX: 0000000000000000 RSI: 00007ffee7597350 RDI: 0000000000000005
[   37.612476][  T459] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.612899][  T459] R10: 00007f91a74d3ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.613311][  T459] R13: 00000000686e21c3 R14: 0000000000499600 R15: 0000000000000000
| [   37.618996][  T459] ------------[ cut here ]------------
| [ 37.619325][ T459] WARNING: CPU: 0 PID: 459 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.619943][  T459] Modules linked in: 8021q vrf veth
| [   37.620892][  T459] Tainted: [W]=WARN
[   37.621122][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.621494][ T459] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.621811][ T459] 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
[   37.622893][  T459] RSP: 0018:ffffc90000a56db0 EFLAGS: 00010246
[   37.623272][  T459] RAX: 0000000000000000 RBX: ffff888007944000 RCX: 0000000000000001
[   37.623727][  T459] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   37.624180][  T459] RBP: ffffc90000a56e98 R08: 0000000000000000 R09: 0000000000000000
[   37.624636][  T459] R10: ffffc90000a56ec8 R11: ffff888008ca9000 R12: 1ffff9200014adba
[   37.625085][  T459] R13: 0000000000000044 R14: ffffc90000a56ec8 R15: 00000000000005dc
[   37.625535][  T459] FS:  00007f91a7409800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   37.626071][  T459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.626449][  T459] CR2: 00000000004e5aa8 CR3: 0000000005034002 CR4: 0000000000772ef0
[   37.626910][  T459] PKRU: 55555554
[   37.627137][  T459] Call Trace:
[   37.627363][  T459]  <TASK>
[ 37.627515][ T459] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 37.627832][ T459] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.628139][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.628444][ T459] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 37.628752][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.629062][ T459] netif_set_mtu (net/core/dev.c:9652) 
[ 37.629362][ T459] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.629676][ T459] ? __try_to_del_timer_sync (kernel/time/timer.c:1452) 
[ 37.629991][ T459] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.630218][ T459] vlan_device_event (net/8021q/vlan.c:424) 8021q 
[ 37.630527][ T459] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 37.630846][ T459] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 37.631148][ T459] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 37.631525][ T459] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 37.631845][ T459] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 37.632155][ T459] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 37.632455][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.632775][ T459] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.633075][ T459] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.633380][ T459] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.633695][ T459] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.633994][ T459] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.634297][ T459] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.634600][ T459] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.634997][ T459] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.635295][ T459] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.635597][ T459] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.635915][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.636318][ T459] ? __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) 
[ 37.636637][ T459] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.637026][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.637326][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.637638][ T459] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.637940][ T459] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.638241][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.638542][ T459] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.638849][ T459] ? __create_object (mm/kmemleak.c:771) 
[ 37.639153][ T459] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.639457][ T459] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.639776][ T459] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.640151][ T459] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.640459][ T459] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.640774][ T459] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.641078][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.641385][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.641699][ T459] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.642004][ T459] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.642307][ T459] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.642617][ T459] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.642919][ T459] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.643226][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.643534][ T459] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.643845][ T459] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.644154][ T459] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.644467][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.644777][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.645078][ T459] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.645383][ T459] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.645693][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.646001][ T459] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.646314][ T459] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.646627][ T459] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.646937][ T459] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.647241][ T459] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.647542][ T459] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.647937][ T459] ___sys_sendmsg (net/socket.c:2670) 
[ 37.648237][ T459] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.648544][ T459] ? __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) 
[ 37.648930][ T459] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.649236][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.649548][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.649866][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.650167][ T459] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.650467][ T459] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.650786][ T459] __sys_sendmsg (net/socket.c:2700) 
[ 37.651089][ T459] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.651461][ T459] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.651784][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.652087][ T459] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.652387][ T459] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.652768][  T459] RIP: 0033:0x7f91a75d61e7
[ 37.653078][ T459] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.654166][  T459] RSP: 002b:00007ffee75972e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.654630][  T459] RAX: ffffffffffffffda RBX: 00007ffee7597a10 RCX: 00007f91a75d61e7
[   37.655083][  T459] RDX: 0000000000000000 RSI: 00007ffee7597350 RDI: 0000000000000005
[   37.655537][  T459] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.655998][  T459] R10: 00007f91a74d3ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.656446][  T459] R13: 00000000686e21c3 R14: 0000000000499600 R15: 0000000000000000
| [   37.764701][  T460] ------------[ cut here ]------------
| [ 37.765018][ T460] WARNING: CPU: 0 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) 
| [   37.765572][  T460] Modules linked in: 8021q vrf veth
| [   37.766454][  T460] Tainted: [W]=WARN
[   37.766673][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.767017][ 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) 
[ 37.767301][ 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
[   37.768291][  T460] RSP: 0018:ffffc90000b67140 EFLAGS: 00010246
[   37.768646][  T460] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   37.769056][  T460] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   37.769473][  T460] RBP: ffffc90000b67230 R08: ffff8880060ba000 R09: 0000000000000000
[   37.769915][  T460] R10: ffffc90000b675c8 R11: ffffffffa6a50668 R12: 1ffff9200016ce2c
[   37.770329][  T460] R13: 00000000000005dc R14: ffffc90000b67880 R15: ffff888008e6ea60
[   37.770754][  T460] FS:  00007fc92c415800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   37.771233][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.771582][  T460] CR2: 00000000004e5aa8 CR3: 000000000779b003 CR4: 0000000000772ef0
[   37.772006][  T460] PKRU: 55555554
[   37.772213][  T460] Call Trace:
[   37.772419][  T460]  <TASK>
[ 37.772559][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.772846][ T460] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.773121][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.773402][ T460] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.773693][ T460] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.773969][ T460] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.774246][ T460] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.774526][ T460] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.774884][ T460] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.775161][ T460] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.775434][ T460] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.775719][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.776000][ 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) 
[ 37.776272][ T460] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.776624][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.776903][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.777175][ T460] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.777454][ T460] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.777750][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.778037][ T460] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.778309][ T460] ? __create_object (mm/kmemleak.c:771) 
[ 37.778584][ T460] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.778868][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.779141][ T460] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.779496][ T460] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.779789][ T460] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.780070][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.780342][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.780632][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.780908][ T460] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.781177][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.781451][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.781750][ T460] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.782036][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.782314][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.782596][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.782882][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.783157][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.783443][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.783732][ 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) 
[ 37.784008][ T460] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.784285][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.784556][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.784843][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.785120][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.785398][ T460] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.785703][ T460] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.785986][ T460] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.786258][ T460] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.786621][ T460] ___sys_sendmsg (net/socket.c:2670) 
[ 37.786895][ T460] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.787167][ 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) 
[ 37.787509][ T460] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.787799][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.788078][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.788358][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.788638][ 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) 
[ 37.788912][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.789193][ T460] __sys_sendmsg (net/socket.c:2700) 
[ 37.789468][ T460] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.789833][ T460] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.790127][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.790405][ T460] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.790691][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.791031][  T460] RIP: 0033:0x7fc92c5e21e7
[ 37.791316][ 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)
[   37.792312][  T460] RSP: 002b:00007ffe2f00fdc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.792734][  T460] RAX: ffffffffffffffda RBX: 00007ffe2f0104f0 RCX: 00007fc92c5e21e7
[   37.793149][  T460] RDX: 0000000000000000 RSI: 00007ffe2f00fe30 RDI: 0000000000000005
[   37.793561][  T460] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.793999][  T460] R10: 00007fc92c4dfee8 R11: 0000000000000246 R12: 0000000000000004
[   37.794412][  T460] R13: 00000000686e21c3 R14: 0000000000499600 R15: 0000000000000000
| [   38.033597][  T464] ------------[ cut here ]------------
| [ 38.034192][ T464] WARNING: CPU: 2 PID: 464 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.034771][  T464] Modules linked in: 8021q vrf veth
| [   38.035670][  T464] Tainted: [W]=WARN
[   38.035898][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.036257][ T464] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.036561][ T464] 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
[   38.037583][  T464] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[   38.037960][  T464] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   38.038392][  T464] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   38.038835][  T464] RBP: ffffc900005a7230 R08: ffff88800ba8d000 R09: 0000000000000000
[   38.039259][  T464] R10: ffffc900005a75c8 R11: ffffffffa6a50668 R12: 1ffff920000b4e2c
[   38.039713][  T464] R13: 0000000000000043 R14: ffffc900005a7880 R15: ffff888004e6c760
[   38.040139][  T464] FS:  00007fc04dbca800(0000) GS:ffff88808e5b7000(0000) knlGS:0000000000000000
[   38.040650][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.041017][  T464] CR2: 00000000004e5aa8 CR3: 000000000a51a003 CR4: 0000000000772ef0
[   38.041450][  T464] PKRU: 55555554
[   38.041682][  T464] Call Trace:
[   38.041905][  T464]  <TASK>
[ 38.042059][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.042355][ T464] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.042654][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.042946][ T464] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.043241][ T464] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.043533][ T464] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.043845][ T464] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.044142][ T464] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.044507][ T464] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.044806][ T464] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.045096][ T464] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.045389][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.045701][ T464] ? __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) 
[ 38.045991][ T464] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.046349][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.046654][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.046945][ T464] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.047231][ T464] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.047521][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.047822][ T464] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.048112][ T464] ? __create_object (mm/kmemleak.c:771) 
[ 38.048402][ T464] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.048708][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.048997][ T464] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.049350][ T464] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.049673][ T464] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.049967][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.050254][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.050553][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.050858][ T464] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.051143][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.051436][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.051734][ T464] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.052028][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.052320][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.052626][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.052919][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.053212][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.053511][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.053818][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.054108][ T464] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.054403][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.054722][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.055019][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.055311][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.055601][ T464] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.055913][ T464] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.056207][ T464] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.056496][ T464] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.056882][ T464] ___sys_sendmsg (net/socket.c:2670) 
[ 38.057172][ T464] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.057459][ T464] ? __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) 
[ 38.057836][ T464] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.058127][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.058424][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.058730][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.059026][ T464] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.059312][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.059635][ T464] __sys_sendmsg (net/socket.c:2700) 
[ 38.059924][ T464] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.060284][ T464] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.060585][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.060898][ T464] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.061190][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.061550][  T464] RIP: 0033:0x7fc04dd971e7
[ 38.061860][ T464] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.062880][  T464] RSP: 002b:00007fff93a927e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.063311][  T464] RAX: ffffffffffffffda RBX: 00007fff93a92f10 RCX: 00007fc04dd971e7
[   38.063746][  T464] RDX: 0000000000000000 RSI: 00007fff93a92850 RDI: 0000000000000005
[   38.064169][  T464] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.064598][  T464] R10: 00007fc04dc94ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.065035][  T464] R13: 00000000686e21c3 R14: 0000000000499600 R15: 0000000000000000
| [   38.169595][  T465] ------------[ cut here ]------------
| [ 38.169932][ T465] WARNING: CPU: 0 PID: 465 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.170488][  T465] Modules linked in: 8021q vrf veth
| [   38.173013][  T465] Tainted: [W]=WARN
[   38.173225][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.173568][ T465] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.173861][ T465] 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
[   38.174856][  T465] RSP: 0018:ffffc90000ae7140 EFLAGS: 00010246
[   38.175207][  T465] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   38.175629][  T465] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   38.176045][  T465] RBP: ffffc90000ae7230 R08: ffff888004fc8800 R09: 0000000000000000
[   38.176460][  T465] R10: ffffc90000ae75c8 R11: ffffffffa6a50668 R12: 1ffff9200015ce2c
[   38.176880][  T465] R13: 00000000000005dc R14: ffffc90000ae7880 R15: ffff888004e6fbe0
[   38.177300][  T465] FS:  00007fb175c7e800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   38.177787][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.178133][  T465] CR2: 00000000004e5aa8 CR3: 0000000009a33002 CR4: 0000000000772ef0
[   38.178545][  T465] PKRU: 55555554
[   38.178763][  T465] Call Trace:
[   38.178968][  T465]  <TASK>
[ 38.179114][ T465] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.179394][ T465] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.179686][ T465] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.179965][ T465] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.180241][ T465] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.180518][ T465] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.180808][ T465] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.181097][ T465] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.181446][ T465] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.181747][ T465] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.182022][ T465] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.182297][ T465] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.182575][ T465] ? __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) 
[ 38.182860][ T465] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.183210][ T465] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.183491][ T465] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.183771][ T465] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.184044][ T465] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.184318][ T465] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.184594][ T465] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.184877][ T465] ? __create_object (mm/kmemleak.c:771) 
[ 38.185155][ T465] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.185442][ T465] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.185726][ T465] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.186066][ T465] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.186349][ T465] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.186645][ T465] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.186918][ T465] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.187199][ T465] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.187486][ T465] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.187771][ T465] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.188048][ T465] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.188322][ T465] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.188597][ T465] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.188888][ T465] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.189168][ T465] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.189443][ T465] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.189745][ T465] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.190032][ T465] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.190305][ T465] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.190581][ T465] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.190868][ T465] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.191143][ T465] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.191422][ T465] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.191715][ T465] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.191993][ T465] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.192273][ T465] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.192552][ T465] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.192838][ T465] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.193190][ T465] ___sys_sendmsg (net/socket.c:2670) 
[ 38.193462][ T465] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.193750][ T465] ? __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) 
[ 38.194092][ T465] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.194368][ T465] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.194657][ T465] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.194939][ T465] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.195213][ T465] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.195486][ T465] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.195786][ T465] __sys_sendmsg (net/socket.c:2700) 
[ 38.196059][ T465] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.196397][ T465] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.196696][ T465] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.196971][ T465] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.197247][ T465] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.197586][  T465] RIP: 0033:0x7fb175e4b1e7
[ 38.197906][ T465] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.198897][  T465] RSP: 002b:00007fffb5a9d028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.199312][  T465] RAX: ffffffffffffffda RBX: 00007fffb5a9d750 RCX: 00007fb175e4b1e7
[   38.199747][  T465] RDX: 0000000000000000 RSI: 00007fffb5a9d090 RDI: 0000000000000005
[   38.200161][  T465] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.200574][  T465] R10: 00007fb175d48ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.200998][  T465] R13: 00000000686e21c4 R14: 0000000000499600 R15: 0000000000000000
| [   38.962073][  T487] ------------[ cut here ]------------
| [ 38.962395][ T487] WARNING: CPU: 3 PID: 487 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.963192][  T487] Modules linked in: 8021q vrf veth
| [   38.964056][  T487] Tainted: [W]=WARN
[   38.964269][  T487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.964634][ T487] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.964924][ T487] 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
[   38.965917][  T487] RSP: 0018:ffffc90000bf7140 EFLAGS: 00010246
[   38.966272][  T487] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   38.966709][  T487] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   38.967125][  T487] RBP: ffffc90000bf7230 R08: ffff88800a1f8800 R09: 0000000000000000
[   38.967542][  T487] R10: ffffc90000bf75c8 R11: ffffffffa6a50668 R12: 1ffff9200017ee2c
[   38.967971][  T487] R13: 0000000000000044 R14: ffffc90000bf7880 R15: ffff88800565aa60
[   38.968387][  T487] FS:  00007facdbc9c800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   38.968880][  T487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.969229][  T487] CR2: 00000000004e5aa0 CR3: 000000000be57002 CR4: 0000000000772ef0
[   38.969670][  T487] PKRU: 55555554
[   38.969881][  T487] Call Trace:
[   38.970087][  T487]  <TASK>
[ 38.970229][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.970512][ T487] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.970797][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.971082][ T487] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.971359][ T487] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.971652][ T487] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.971935][ T487] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.972217][ T487] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.972566][ T487] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.972853][ T487] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.973130][ T487] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.973411][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.973700][ T487] ? __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) 
[ 38.973987][ T487] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.974330][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.974623][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.974899][ T487] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.975175][ T487] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.975454][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.975738][ T487] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.976018][ T487] ? __create_object (mm/kmemleak.c:771) 
[ 38.976295][ T487] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.976571][ T487] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.976872][ T487] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.977212][ T487] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.977495][ T487] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.977790][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.978066][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.978350][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.978639][ T487] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.978914][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.979191][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.979465][ T487] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.979765][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.980044][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.980328][ T487] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.980619][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.980897][ T487] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.981183][ T487] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.981458][ T487] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.981746][ T487] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.982026][ T487] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.982302][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.982584][ T487] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.982873][ T487] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.983150][ T487] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.983432][ T487] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.983719][ T487] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.983992][ T487] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.984348][ T487] ___sys_sendmsg (net/socket.c:2670) 
[ 38.984633][ T487] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.984907][ T487] ? __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) 
[ 38.985247][ T487] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.985524][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.985814][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.986096][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.986372][ T487] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.986664][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.986951][ T487] __sys_sendmsg (net/socket.c:2700) 
[ 38.987223][ T487] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.987564][ T487] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.987865][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.988140][ T487] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.988420][ T487] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.988777][  T487] RIP: 0033:0x7facdbe691e7
[ 38.989062][ T487] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.990063][  T487] RSP: 002b:00007ffd0e8e2dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.990485][  T487] RAX: ffffffffffffffda RBX: 00007ffd0e8e34f0 RCX: 00007facdbe691e7
[   38.990908][  T487] RDX: 0000000000000000 RSI: 00007ffd0e8e2e30 RDI: 0000000000000005
[   38.991318][  T487] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.991740][  T487] R10: 00007facdbd66ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.992151][  T487] R13: 00000000686e21c4 R14: 0000000000499600 R15: 0000000000000000
| [   39.245468][  T491] ------------[ cut here ]------------
| [ 39.245912][ T491] WARNING: CPU: 3 PID: 491 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.246455][  T491] Modules linked in: 8021q vrf veth
| [   39.248133][  T491] Tainted: [W]=WARN
[   39.248345][  T491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.248694][ T491] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.248976][ T491] 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
[   39.249989][  T491] RSP: 0018:ffffc90000c27140 EFLAGS: 00010246
[   39.250342][  T491] RAX: 0000000000000000 RBX: ffff888009421000 RCX: 0000000000000001
[   39.250763][  T491] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   39.251175][  T491] RBP: ffffc90000c27230 R08: ffff8880091bd000 R09: 0000000000000000
[   39.251589][  T491] R10: ffffc90000c275c8 R11: ffffffffa6a50668 R12: 1ffff92000184e2c
[   39.252011][  T491] R13: 0000000000000044 R14: ffffc90000c27880 R15: ffff888004cd7160
[   39.252426][  T491] FS:  00007fde47bc2800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   39.252919][  T491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.253270][  T491] CR2: 00000000004e7370 CR3: 000000000a78e002 CR4: 0000000000772ef0
[   39.253695][  T491] PKRU: 55555554
[   39.253903][  T491] Call Trace:
[   39.254109][  T491]  <TASK>
[ 39.254248][ T491] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.254527][ T491] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.254823][ T491] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.255105][ T491] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.255381][ T491] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.255669][ T491] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.255953][ T491] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.256236][ T491] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.256640][ T491] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.256927][ T491] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.257199][ T491] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.257479][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.257787][ T491] ? __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) 
[ 39.258065][ T491] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.258406][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.258693][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.258978][ T491] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.259256][ T491] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.259544][ T491] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.259837][ T491] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.260116][ T491] ? __create_object (mm/kmemleak.c:771) 
[ 39.260397][ T491] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.260685][ T491] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.260965][ T491] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.261315][ T491] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.261599][ T491] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.261902][ T491] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.262179][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.262462][ T491] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.262749][ T491] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.263023][ T491] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.263308][ T491] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.263585][ T491] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.263875][ T491] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.264158][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.264441][ T491] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.264728][ T491] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.265006][ T491] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.265295][ T491] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.265575][ T491] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.265867][ T491] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.266146][ T491] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.266423][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.266717][ T491] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.266998][ T491] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.267274][ T491] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.267564][ T491] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.267860][ T491] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.268141][ T491] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.268496][ T491] ___sys_sendmsg (net/socket.c:2670) 
[ 39.268785][ T491] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.269060][ T491] ? __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) 
[ 39.269406][ T491] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.269739][ T491] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.270024][ T491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.270307][ T491] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.270583][ T491] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.270892][ T491] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.271177][ T491] __sys_sendmsg (net/socket.c:2700) 
[ 39.271452][ T491] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.271819][ T491] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.272109][ T491] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.272384][ T491] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.272673][ T491] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.273017][  T491] RIP: 0033:0x7fde47d8f1e7
[ 39.273304][ T491] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.274304][  T491] RSP: 002b:00007ffea09b6018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.274733][  T491] RAX: ffffffffffffffda RBX: 00007ffea09b6740 RCX: 00007fde47d8f1e7
[   39.275146][  T491] RDX: 0000000000000000 RSI: 00007ffea09b6080 RDI: 0000000000000005
[   39.275564][  T491] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.275987][  T491] R10: 00007fde47c8cee8 R11: 0000000000000246 R12: 0000000000000004
[   39.276398][  T491] R13: 00000000686e21c5 R14: 0000000000499600 R15: 0000000000000000
| [   39.492878][  T495] ------------[ cut here ]------------
| [ 39.493218][ T495] WARNING: CPU: 2 PID: 495 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.493796][  T495] Modules linked in: 8021q vrf veth
| [   39.494687][  T495] Tainted: [W]=WARN
[   39.494912][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.495270][ T495] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.495571][ T495] 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
[   39.497667][  T495] RSP: 0018:ffffc90000c37140 EFLAGS: 00010246
[   39.498691][  T495] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   39.499261][  T495] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   39.499717][  T495] RBP: ffffc90000c37230 R08: ffff888004ef5000 R09: 0000000000000000
[   39.500143][  T495] R10: ffffc90000c375c8 R11: ffffffffa6a50668 R12: 1ffff92000186e2c
[   39.500569][  T495] R13: 0000000000000044 R14: ffffc90000c37880 R15: ffff88800a5a4060
[   39.501012][  T495] FS:  00007f610330d800(0000) GS:ffff88808e5b7000(0000) knlGS:0000000000000000
[   39.501510][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.501881][  T495] CR2: 00000000004e5aa8 CR3: 0000000004c05003 CR4: 0000000000772ef0
[   39.502345][  T495] PKRU: 55555554
[   39.502570][  T495] Call Trace:
[   39.502810][  T495]  <TASK>
[ 39.502964][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.503261][ T495] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.503553][ T495] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.503857][ T495] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.504149][ T495] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.504441][ T495] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.504751][ T495] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.505046][ T495] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.505409][ T495] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.505707][ T495] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.506002][ T495] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.506297][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.506631][ T495] ? __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) 
[ 39.506920][ T495] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.507279][ T495] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.507569][ T495] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.507867][ T495] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.508154][ T495] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.508445][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.508743][ T495] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.509030][ T495] ? __create_object (mm/kmemleak.c:771) 
[ 39.509322][ T495] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.509635][ T495] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.509923][ T495] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.510283][ T495] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.510578][ T495] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.510885][ T495] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.511189][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.511494][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.511791][ T495] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.512077][ T495] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.512368][ T495] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.512665][ T495] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.512954][ T495] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.513249][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.513545][ T495] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.513871][ T495] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.514161][ T495] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.514460][ T495] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.514762][ T495] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.515055][ T495] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.515350][ T495] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.515651][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.515944][ T495] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.516237][ T495] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.516529][ T495] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.516864][ T495] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.517157][ T495] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.517443][ T495] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.517821][ T495] ___sys_sendmsg (net/socket.c:2670) 
[ 39.518127][ T495] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.518421][ T495] ? __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) 
[ 39.518786][ T495] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.519079][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.519369][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.519694][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.519986][ T495] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.520276][ T495] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.520568][ T495] __sys_sendmsg (net/socket.c:2700) 
[ 39.520869][ T495] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.521222][ T495] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.521531][ T495] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.521827][ T495] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.522117][ T495] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.522470][  T495] RIP: 0033:0x7f61034da1e7
[ 39.522782][ T495] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.523805][  T495] RSP: 002b:00007fffa7c78828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.524233][  T495] RAX: ffffffffffffffda RBX: 00007fffa7c78f50 RCX: 00007f61034da1e7
[   39.524661][  T495] RDX: 0000000000000000 RSI: 00007fffa7c78890 RDI: 0000000000000005
[   39.525088][  T495] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.525515][  T495] R10: 00007f61033d7ee8 R11: 0000000000000246 R12: 0000000000000004
[   39.525950][  T495] R13: 00000000686e21c5 R14: 0000000000499600 R15: 0000000000000000
| [   39.775699][  T499] ------------[ cut here ]------------
| [ 39.776019][ T499] WARNING: CPU: 0 PID: 499 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.776584][  T499] Modules linked in: 8021q vrf veth
| [   39.777456][  T499] Tainted: [W]=WARN
[   39.777676][  T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.778032][ T499] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.778321][ T499] 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
[   39.780661][  T499] RSP: 0018:ffffc90000ae7140 EFLAGS: 00010246
[   39.781026][  T499] RAX: 0000000000000000 RBX: ffff888007944000 RCX: 0000000000000001
[   39.781443][  T499] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   39.781881][  T499] RBP: ffffc90000ae7230 R08: ffff888004cfe800 R09: 0000000000000000
[   39.782297][  T499] R10: ffffc90000ae75c8 R11: ffffffffa6a50668 R12: 1ffff9200015ce2c
[   39.782727][  T499] R13: 0000000000000044 R14: ffffc90000ae7880 R15: ffff888004e6ea60
[   39.783144][  T499] FS:  00007f3c0b072800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   39.783638][  T499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.783994][  T499] CR2: 00000000004e7378 CR3: 0000000009612004 CR4: 0000000000772ef0
[   39.784415][  T499] PKRU: 55555554
[   39.784634][  T499] Call Trace:
[   39.784843][  T499]  <TASK>
[ 39.784985][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.785271][ T499] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.785550][ T499] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.785849][ T499] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.786127][ T499] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.786405][ T499] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.786701][ T499] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.786988][ T499] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.787341][ T499] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.787674][ T499] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.787952][ T499] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.788234][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.788518][ T499] ? __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) 
[ 39.788824][ T499] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.789171][ T499] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.789454][ T499] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.789761][ T499] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.790047][ T499] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.790327][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.790616][ T499] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.790919][ T499] ? __create_object (mm/kmemleak.c:771) 
[ 39.791202][ T499] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.791484][ T499] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.791779][ T499] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.792134][ T499] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.792424][ T499] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.792719][ T499] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.792996][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.793280][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.793561][ T499] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.793848][ T499] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.794132][ T499] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.794415][ T499] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.794706][ T499] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.794988][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.795300][ T499] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.795579][ T499] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.795870][ T499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.796160][ T499] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.796447][ T499] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.796738][ T499] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.797021][ T499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.797300][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.797584][ T499] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.797876][ T499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.798157][ T499] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.798451][ T499] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.798742][ T499] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.799022][ T499] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.799381][ T499] ___sys_sendmsg (net/socket.c:2670) 
[ 39.799682][ T499] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.799961][ T499] ? __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) 
[ 39.800310][ T499] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.800599][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.800892][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.801176][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.801456][ T499] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.801742][ T499] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.802028][ T499] __sys_sendmsg (net/socket.c:2700) 
[ 39.802305][ T499] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.802657][ T499] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.802952][ T499] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.803234][ T499] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.803512][ T499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.803864][  T499] RIP: 0033:0x7f3c0b23f1e7
[ 39.804154][ T499] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.805158][  T499] RSP: 002b:00007ffe7d037d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.805580][  T499] RAX: ffffffffffffffda RBX: 00007ffe7d038430 RCX: 00007f3c0b23f1e7
[   39.806005][  T499] RDX: 0000000000000000 RSI: 00007ffe7d037d70 RDI: 0000000000000005
[   39.806422][  T499] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.806850][  T499] R10: 00007f3c0b13cee8 R11: 0000000000000246 R12: 0000000000000004
[   39.807265][  T499] R13: 00000000686e21c5 R14: 0000000000499600 R15: 0000000000000000
| [   41.219271][  T504] ------------[ cut here ]------------
| [ 41.219628][ T504] WARNING: CPU: 3 PID: 504 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.220186][  T504] Modules linked in: 8021q vrf veth
| [   41.221334][  T504] Tainted: [W]=WARN
[   41.221555][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.221913][ T504] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.222208][ T504] 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
[   41.223235][  T504] RSP: 0018:ffffc90000c27140 EFLAGS: 00010246
[   41.223595][  T504] RAX: 0000000000000000 RBX: ffff888009421000 RCX: 0000000000000001
[   41.224025][  T504] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   41.224445][  T504] RBP: ffffc90000c27230 R08: ffff88800bde8800 R09: 0000000000000000
[   41.224881][  T504] R10: ffffc90000c275c8 R11: ffffffffa6a50668 R12: 1ffff92000184e2c
[   41.225299][  T504] R13: 0000000000000044 R14: ffffc90000c27880 R15: ffff8880056591e0
[   41.225729][  T504] FS:  00007f088f509800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   41.226224][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.226593][  T504] CR2: 00000000004e7370 CR3: 00000000094f1005 CR4: 0000000000772ef0
[   41.227041][  T504] PKRU: 55555554
[   41.227256][  T504] Call Trace:
[   41.227468][  T504]  <TASK>
[ 41.227620][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.227907][ T504] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.228188][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.228472][ T504] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.228762][ T504] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.229046][ T504] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.229333][ T504] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.229644][ T504] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.229999][ T504] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.230280][ T504] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.230560][ T504] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.230851][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.231137][ T504] ? __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) 
[ 41.231418][ T504] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.231773][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.232055][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.232333][ T504] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.232622][ T504] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.232906][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.233184][ T504] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.233465][ T504] ? __create_object (mm/kmemleak.c:771) 
[ 41.233757][ T504] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.234036][ T504] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.234317][ T504] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.234672][ T504] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.234958][ T504] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.235245][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.235533][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.235824][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.236102][ T504] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.236379][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.236670][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.236947][ T504] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.237227][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.237511][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.237809][ T504] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.238090][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.238370][ T504] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.238667][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.238945][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.239227][ T504] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.239518][ T504] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.239813][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.240099][ T504] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.240385][ T504] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.240690][ T504] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.240980][ T504] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.241262][ T504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.241537][ T504] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.241912][ T504] ___sys_sendmsg (net/socket.c:2670) 
[ 41.242192][ T504] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.242473][ T504] ? __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) 
[ 41.242832][ T504] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.243116][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.243397][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.243696][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.243982][ T504] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.244259][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.244544][ T504] __sys_sendmsg (net/socket.c:2700) 
[ 41.244830][ T504] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.245175][ T504] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.245466][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.245756][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.246039][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.246389][  T504] RIP: 0033:0x7f088f6d61e7
[ 41.246687][ T504] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.247686][  T504] RSP: 002b:00007ffcfce1a9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.248112][  T504] RAX: ffffffffffffffda RBX: 00007ffcfce1b0d0 RCX: 00007f088f6d61e7
[   41.248527][  T504] RDX: 0000000000000000 RSI: 00007ffcfce1aa10 RDI: 0000000000000005
[   41.248953][  T504] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.249369][  T504] R10: 00007f088f5d3ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.249818][  T504] R13: 00000000686e21c7 R14: 0000000000499600 R15: 0000000000000000
| [   41.433308][  T505] ------------[ cut here ]------------
| [ 41.433642][ T505] WARNING: CPU: 0 PID: 505 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.434194][  T505] Modules linked in: 8021q vrf veth
| [   41.435062][  T505] Tainted: [W]=WARN
[   41.435277][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.435634][ T505] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.435929][ T505] 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
[   41.437187][  T505] RSP: 0018:ffffc90000c57140 EFLAGS: 00010246
[   41.437541][  T505] RAX: 0000000000000000 RBX: ffff88800609c000 RCX: 0000000000000001
[   41.437973][  T505] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   41.438394][  T505] RBP: ffffc90000c57230 R08: ffff88800bc38800 R09: 0000000000000000
[   41.438826][  T505] R10: ffffc90000c575c8 R11: ffffffffa6a50668 R12: 1ffff9200018ae2c
[   41.439246][  T505] R13: 00000000000005dc R14: ffffc90000c57880 R15: ffff888005659fe0
[   41.439691][  T505] FS:  00007fb04bd84800(0000) GS:ffff88808e4b7000(0000) knlGS:0000000000000000
[   41.440177][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.440529][  T505] CR2: 00000000004e5aa0 CR3: 000000000b9d9004 CR4: 0000000000772ef0
[   41.440963][  T505] PKRU: 55555554
[   41.441177][  T505] Call Trace:
[   41.441389][  T505]  <TASK>
[ 41.441531][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.441834][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.442117][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.442401][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.442690][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.442973][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.443257][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.443543][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.443911][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.444191][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.444471][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.444763][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.445048][ T505] ? __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) 
[ 41.445327][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.445692][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.445983][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.446265][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.446547][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.446842][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.447121][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.447397][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 41.447692][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.447981][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.448260][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.448625][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.448910][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.449200][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.449524][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.449839][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.450120][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.450405][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.450698][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.450976][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.451287][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.451571][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.451867][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.452150][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.452437][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.452735][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.453013][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.453293][ T505] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.453574][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.453861][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.454145][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.454435][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.454726][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.455016][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.455301][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.455577][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.455946][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 41.456224][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.456506][ T505] ? __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) 
[ 41.456862][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.457148][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.457430][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.457722][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.457999][ T505] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.458276][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.458562][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 41.458854][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.459201][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.459496][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.459787][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.460067][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.460411][  T505] RIP: 0033:0x7fb04bf511e7
[ 41.460706][ T505] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.461713][  T505] RSP: 002b:00007ffcca869b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.462133][  T505] RAX: ffffffffffffffda RBX: 00007ffcca86a270 RCX: 00007fb04bf511e7
[   41.462549][  T505] RDX: 0000000000000000 RSI: 00007ffcca869bb0 RDI: 0000000000000005
[   41.462978][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.463393][  T505] R10: 00007fb04be4eee8 R11: 0000000000000246 R12: 0000000000000004
[   41.463821][  T505] R13: 00000000686e21c7 R14: 0000000000499600 R15: 0000000000000000
| [   41.588371][  T506] ------------[ cut here ]------------
| [ 41.588771][ T506] WARNING: CPU: 2 PID: 506 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.589382][  T506] Modules linked in: 8021q vrf veth
| [   41.590633][  T506] Tainted: [W]=WARN
[   41.590872][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.591258][ T506] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.591572][ T506] 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
[   41.592646][  T506] RSP: 0018:ffffc90000c67140 EFLAGS: 00010246
[   41.593045][  T506] RAX: 0000000000000000 RBX: ffff888007944000 RCX: 0000000000000001
[   41.593489][  T506] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   41.593952][  T506] RBP: ffffc90000c67230 R08: ffff888004e0a000 R09: 0000000000000000
[   41.594429][  T506] R10: ffffc90000c675c8 R11: ffffffffa6a50668 R12: 1ffff9200018ce2c
[   41.594889][  T506] R13: 0000000000000044 R14: ffffc90000c67880 R15: ffff888004cd58e0
[   41.595347][  T506] FS:  00007f701c3b5800(0000) GS:ffff88808e5b7000(0000) knlGS:0000000000000000
[   41.595881][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.596275][  T506] CR2: 00000000004e7378 CR3: 000000000cc03002 CR4: 0000000000772ef0
[   41.596746][  T506] PKRU: 55555554
[   41.596980][  T506] Call Trace:
[   41.597236][  T506]  <TASK>
[ 41.597399][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.597729][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.598031][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.598351][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.598675][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.598983][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.599302][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.599639][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.600020][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.600338][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.600651][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.600965][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.601282][ T506] ? __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) 
[ 41.601584][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.601970][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.602295][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.602597][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.602916][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.603243][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.603547][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.603864][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 41.604170][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.604491][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.604807][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.605181][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.605508][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.605840][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.606139][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.606463][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.606777][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.607077][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.607397][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.607722][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.608030][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.608358][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.608681][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.608988][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.609290][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.609721][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.610027][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.610339][ T506] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.610676][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.610986][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.611296][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.611628][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.611931][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.612244][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.612561][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.612888][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.613268][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 41.613582][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.613901][ T506] ? __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) 
[ 41.614279][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.614601][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.614926][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.615241][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.615560][ T506] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.615877][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.616189][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 41.616490][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.616885][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.617200][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.617516][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.617850][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.618229][  T506] RIP: 0033:0x7f701c5821e7
[ 41.618545][ T506] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.619642][  T506] RSP: 002b:00007ffe8001ddc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.620095][  T506] RAX: ffffffffffffffda RBX: 00007ffe8001e4f0 RCX: 00007f701c5821e7
[   41.620541][  T506] RDX: 0000000000000000 RSI: 00007ffe8001de30 RDI: 0000000000000005
[   41.621019][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.621467][  T506] R10: 00007f701c47fee8 R11: 0000000000000246 R12: 0000000000000004
[   41.621951][  T506] R13: 00000000686e21c7 R14: 0000000000499600 R15: 0000000000000000
| [   41.735987][  T507] ------------[ cut here ]------------
| [ 41.736309][ T507] WARNING: CPU: 3 PID: 507 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.736887][  T507] Modules linked in: 8021q vrf veth
| [   41.738182][  T507] Tainted: [W]=WARN
[   41.738398][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.738758][ T507] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.739054][ T507] 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
[   41.740069][  T507] RSP: 0018:ffffc90000c77140 EFLAGS: 00010246
[   41.740424][  T507] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   41.740863][  T507] RDX: 0000000000000000 RSI: ffffffffa5c9b941 RDI: ffffffffa54555e0
[   41.741286][  T507] RBP: ffffc90000c77230 R08: ffff888009312000 R09: 0000000000000000
[   41.741720][  T507] R10: ffffc90000c775c8 R11: ffffffffa6a50668 R12: 1ffff9200018ee2c
[   41.742141][  T507] R13: 00000000000005dc R14: ffffc90000c77880 R15: ffff888004cd7860
[   41.742558][  T507] FS:  00007f1ed70d8800(0000) GS:ffff88808e637000(0000) knlGS:0000000000000000
[   41.743058][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.743414][  T507] CR2: 00000000004e5aa8 CR3: 000000000e06d002 CR4: 0000000000772ef0
[   41.743841][  T507] PKRU: 55555554
[   41.744052][  T507] Call Trace:
[   41.744263][  T507]  <TASK>
[ 41.744406][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.744706][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.744987][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.745272][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.745557][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.745854][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.746142][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.746433][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.746796][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.747084][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.747362][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.747653][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.747939][ T507] ? __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) 
[ 41.748225][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.748571][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.748863][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.749148][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.749425][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.749728][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.750007][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.750285][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 41.750568][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.750856][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.751136][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.751489][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.751781][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.752065][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.752343][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.752641][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.752922][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.753198][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.753482][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.753769][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.754049][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.754330][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.754625][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.754905][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.755182][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.755473][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.755766][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.756054][ T507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.756338][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.756627][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.756909][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.757191][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.757469][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.757772][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.758058][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.758335][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.758719][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 41.758999][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.759278][ T507] ? __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) 
[ 41.759646][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.759932][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.760215][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.760499][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.760787][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.761065][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.761351][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 41.761635][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.761985][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.762274][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.762553][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.762842][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.763186][  T507] RIP: 0033:0x7f1ed72a51e7
[ 41.763474][ T507] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.764479][  T507] RSP: 002b:00007ffe806d4ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.764905][  T507] RAX: ffffffffffffffda RBX: 00007ffe806d52d0 RCX: 00007f1ed72a51e7
[   41.765323][  T507] RDX: 0000000000000000 RSI: 00007ffe806d4c10 RDI: 0000000000000005
[   41.765757][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.766177][  T507] R10: 00007f1ed71a2ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:vlan_device_event:notifier_call_chain
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast