======================================
| [  529.435495][ T4072] eth3: renamed from r1h3
| [  540.682127][ T4145] ------------[ cut here ]------------
| [ 540.682482][ T4145] WARNING: CPU: 3 PID: 4145 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  540.683074][ T4145] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6 cls_bpf drop_monitor netdevsim psample act_gact cls_flower sch_ingress
[  540.685489][ T4145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 540.685871][ T4145] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 540.686187][ T4145] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  540.687195][ T4145] RSP: 0018:ffffc90000f47140 EFLAGS: 00010246
[  540.687572][ T4145] RAX: 0000000000000000 RBX: ffff888007621000 RCX: 0000000000000001
[  540.687990][ T4145] RDX: 0000000000000000 RSI: ffffffffa9510751 RDI: ffffffffa8c58280
[  540.688410][ T4145] RBP: ffffc90000f47228 R08: ffff888009262000 R09: 0000000000000000
[  540.688843][ T4145] R10: ffffc90000f475c8 R11: ffffffffaa873028 R12: 1ffff920001e8e2c
[  540.689277][ T4145] R13: 0000000000000514 R14: ffffc90000f47880 R15: ffff88800ece1560
[  540.689706][ T4145] FS:  00007fa4ab3fd800(0000) GS:ffff8880c1519000(0000) knlGS:0000000000000000
[  540.690193][ T4145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  540.690553][ T4145] CR2: 00000000004e59f8 CR3: 000000001054c005 CR4: 0000000000772ef0
[  540.690984][ T4145] PKRU: 55555554
[  540.691193][ T4145] Call Trace:
[  540.691409][ T4145]  <TASK>
[ 540.691563][ T4145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 540.692357][ T4145] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 540.692648][ T4145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 540.692931][ T4145] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 540.693215][ T4145] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 540.693510][ T4145] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 540.693811][ T4145] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 540.694099][ T4145] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 540.694453][ T4145] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 540.694756][ T4145] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 540.695029][ T4145] ? __kernel_text_address (kernel/extable.c:79) 
[ 540.695308][ T4145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.695610][ T4145] ? __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) 
[ 540.695889][ T4145] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 540.696233][ T4145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 540.696525][ T4145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 540.696801][ T4145] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 540.697079][ T4145] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 540.697371][ T4145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 540.697656][ T4145] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 540.697940][ T4145] ? __create_object (mm/kmemleak.c:771) 
[ 540.698229][ T4145] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 540.698519][ T4145] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 540.698811][ T4145] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 540.699164][ T4145] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 540.699448][ T4145] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 540.699743][ T4145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 540.700029][ T4145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.700315][ T4145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 540.700600][ T4145] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 540.700875][ T4145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 540.701154][ T4145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 540.701440][ T4145] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 540.701729][ T4145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 540.702008][ T4145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.702298][ T4145] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 540.702592][ T4145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 540.702870][ T4145] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 540.703166][ T4145] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 540.703450][ T4145] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 540.703741][ T4145] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 540.704021][ T4145] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 540.704312][ T4145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.704638][ T4145] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 540.704926][ T4145] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 540.705251][ T4145] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 540.705556][ T4145] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 540.705889][ T4145] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 540.706166][ T4145] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 540.706550][ T4145] ___sys_sendmsg (net/socket.c:2670) 
[ 540.706824][ T4145] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 540.707113][ T4145] ? __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) 
[ 540.707475][ T4145] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 540.707758][ T4145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 540.708036][ T4145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 540.708320][ T4145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 540.708615][ T4145] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 540.708906][ T4145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 540.709188][ T4145] __sys_sendmsg (net/socket.c:2700) 
[ 540.709477][ T4145] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 540.709819][ T4145] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 540.710107][ T4145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 540.710389][ T4145] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 540.710687][ T4145] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  540.711045][ T4145] RIP: 0033:0x7fa4ab5ca1e7
[ 540.711340][ T4145] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  540.712352][ T4145] RSP: 002b:00007ffd5013c078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  540.712799][ T4145] RAX: ffffffffffffffda RBX: 00007ffd5013c7b0 RCX: 00007fa4ab5ca1e7
[  540.713217][ T4145] RDX: 0000000000000000 RSI: 00007ffd5013c0e0 RDI: 0000000000000005
[  540.713646][ T4145] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  540.714060][ T4145] R10: 00007fa4ab4c7498 R11: 0000000000000246 R12: 0000000000000003
[  540.714502][ T4145] R13: 00000000686e76cc R14: 0000000000499600 R15: 0000000000000000
| [  541.690324][ T4157] ------------[ cut here ]------------
| [ 541.690738][ T4157] WARNING: CPU: 2 PID: 4157 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  541.691484][ T4157] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6 cls_bpf drop_monitor netdevsim psample act_gact cls_flower sch_ingress
| [  541.693392][ T4157] Tainted: [W]=WARN
[  541.693721][ T4157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 541.694165][ T4157] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 541.694486][ T4157] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  541.696165][ T4157] RSP: 0018:ffffc90000f77140 EFLAGS: 00010246
[  541.696547][ T4157] RAX: 0000000000000000 RBX: ffff88800ba79000 RCX: 0000000000000001
[  541.696991][ T4157] RDX: 0000000000000000 RSI: ffffffffa9510751 RDI: ffffffffa8c58280
[  541.697418][ T4157] RBP: ffffc90000f77228 R08: ffff88800ae78800 R09: 0000000000000000
[  541.697879][ T4157] R10: ffffc90000f775c8 R11: ffffffffaa873028 R12: 1ffff920001eee2c
[  541.698305][ T4157] R13: 0000000000000546 R14: ffffc90000f77880 R15: ffff88800ece1c60
[  541.698757][ T4157] FS:  00007fab2ba9e800(0000) GS:ffff8880c1499000(0000) knlGS:0000000000000000
[  541.699318][ T4157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  541.699713][ T4157] CR2: 00000000004e5a00 CR3: 000000000b70c002 CR4: 0000000000772ef0
[  541.700203][ T4157] PKRU: 55555554
[  541.700532][ T4157] Call Trace:
[  541.700851][ T4157]  <TASK>
[ 541.701098][ T4157] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 541.701399][ T4157] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 541.701725][ T4157] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 541.702064][ T4157] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 541.702365][ T4157] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 541.702687][ T4157] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 541.702987][ T4157] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 541.703281][ T4157] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 541.703678][ T4157] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 541.704004][ T4157] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 541.704294][ T4157] ? __kernel_text_address (kernel/extable.c:79) 
[ 541.704622][ T4157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 541.704956][ T4157] ? __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) 
[ 541.705257][ T4157] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 541.705625][ T4157] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 541.705961][ T4157] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 541.706255][ T4157] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 541.706565][ T4157] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 541.706884][ T4157] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 541.707181][ T4157] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 541.707480][ T4157] ? __create_object (mm/kmemleak.c:771) 
[ 541.707791][ T4157] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 541.708087][ T4157] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 541.708378][ T4157] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 541.708757][ T4157] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 541.709058][ T4157] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 541.709362][ T4157] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 541.709688][ T4157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 541.710006][ T4157] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 541.710323][ T4157] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 541.710665][ T4157] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 541.711127][ T4157] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 541.711432][ T4157] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 541.711767][ T4157] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 541.712072][ T4157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 541.712371][ T4157] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 541.712719][ T4157] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 541.713013][ T4157] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 541.713312][ T4157] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 541.713612][ T4157] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 541.713926][ T4157] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 541.714316][ T4157] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 541.714722][ T4157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 541.715025][ T4157] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 541.715372][ T4157] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 541.715785][ T4157] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 541.716090][ T4157] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 541.716382][ T4157] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 541.716702][ T4157] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 541.717087][ T4157] ___sys_sendmsg (net/socket.c:2670) 
[ 541.717448][ T4157] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 541.717826][ T4157] ? __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) 
[ 541.718275][ T4157] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 541.718735][ T4157] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 541.719230][ T4157] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 541.719763][ T4157] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 541.720263][ T4157] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 541.720781][ T4157] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 541.721195][ T4157] __sys_sendmsg (net/socket.c:2700) 
[ 541.721580][ T4157] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 541.722073][ T4157] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 541.722485][ T4157] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 541.723000][ T4157] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 541.723521][ T4157] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  541.724132][ T4157] RIP: 0033:0x7fab2bc6b1e7
[ 541.724669][ T4157] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  541.726032][ T4157] RSP: 002b:00007ffe162eb5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  541.726602][ T4157] RAX: ffffffffffffffda RBX: 00007ffe162ebcf0 RCX: 00007fab2bc6b1e7
[  541.727325][ T4157] RDX: 0000000000000000 RSI: 00007ffe162eb620 RDI: 0000000000000005
[  541.727944][ T4157] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  541.728431][ T4157] R10: 00007fab2bb68498 R11: 0000000000000246 R12: 0000000000000003
[  541.728923][ T4157] R13: 00000000686e76cd R14: 0000000000499600 R15: 0000000000000000
| [  542.733889][ T4169] ------------[ cut here ]------------
| [ 542.734218][ T4169] WARNING: CPU: 3 PID: 4169 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  542.734783][ T4169] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6 cls_bpf drop_monitor netdevsim psample act_gact cls_flower sch_ingress
| [  542.736283][ T4169] Tainted: [W]=WARN
[  542.736502][ T4169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 542.736849][ T4169] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 542.737135][ T4169] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  542.738140][ T4169] RSP: 0018:ffffc90000e07140 EFLAGS: 00010246
[  542.738501][ T4169] RAX: 0000000000000000 RBX: ffff888005eb1000 RCX: 0000000000000001
[  542.738913][ T4169] RDX: 0000000000000000 RSI: ffffffffa9510751 RDI: ffffffffa8c58280
[  542.739336][ T4169] RBP: ffffc90000e07228 R08: ffff88801059b800 R09: 0000000000000000
[  542.740495][ T4169] R10: ffffc90000e075c8 R11: ffffffffaa873028 R12: 1ffff920001c0e2c
[  542.740910][ T4169] R13: 0000000000000578 R14: ffffc90000e07880 R15: ffff88801fd40e60
[  542.741323][ T4169] FS:  00007fe7693ed800(0000) GS:ffff8880c1519000(0000) knlGS:0000000000000000
[  542.741825][ T4169] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  542.742181][ T4169] CR2: 00000000004e5a08 CR3: 000000000c5d3006 CR4: 0000000000772ef0
[  542.742606][ T4169] PKRU: 55555554
[  542.742815][ T4169] Call Trace:
[  542.743028][ T4169]  <TASK>
[ 542.743171][ T4169] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 542.743469][ T4169] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 542.743745][ T4169] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 542.744034][ T4169] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 542.744316][ T4169] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 542.744607][ T4169] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 542.744890][ T4169] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 542.745177][ T4169] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 542.745537][ T4169] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 542.745826][ T4169] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 542.746105][ T4169] ? __kernel_text_address (kernel/extable.c:79) 
[ 542.746389][ T4169] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 542.746688][ T4169] ? __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) 
[ 542.746966][ T4169] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 542.747309][ T4169] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.747596][ T4169] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.747874][ T4169] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 542.748158][ T4169] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 542.748438][ T4169] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 542.748724][ T4169] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 542.748998][ T4169] ? __create_object (mm/kmemleak.c:771) 
[ 542.749277][ T4169] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 542.749581][ T4169] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 542.749863][ T4169] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 542.750211][ T4169] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 542.750503][ T4169] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 542.750788][ T4169] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 542.751061][ T4169] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 542.751344][ T4169] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 542.751639][ T4169] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 542.751913][ T4169] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 542.752193][ T4169] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 542.752495][ T4169] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 542.752776][ T4169] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 542.753058][ T4169] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 542.753340][ T4169] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 542.753626][ T4169] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 542.753903][ T4169] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 542.754189][ T4169] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 542.754484][ T4169] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 542.754764][ T4169] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 542.755044][ T4169] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 542.755322][ T4169] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 542.755614][ T4169] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 542.755901][ T4169] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 542.756177][ T4169] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 542.756486][ T4169] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 542.756769][ T4169] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 542.757041][ T4169] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 542.757394][ T4169] ___sys_sendmsg (net/socket.c:2670) 
[ 542.757678][ T4169] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 542.757952][ T4169] ? __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) 
[ 542.758305][ T4169] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 542.758602][ T4169] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 542.758882][ T4169] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 542.759164][ T4169] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 542.759440][ T4169] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 542.759727][ T4169] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 542.760014][ T4169] __sys_sendmsg (net/socket.c:2700) 
[ 542.760291][ T4169] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 542.760640][ T4169] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 542.760939][ T4169] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.761217][ T4169] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 542.761525][ T4169] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  542.761870][ T4169] RIP: 0033:0x7fe7695ba1e7
[ 542.762158][ T4169] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  542.763166][ T4169] RSP: 002b:00007ffceed47058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  542.763591][ T4169] RAX: ffffffffffffffda RBX: 00007ffceed47790 RCX: 00007fe7695ba1e7
[  542.764008][ T4169] RDX: 0000000000000000 RSI: 00007ffceed470c0 RDI: 0000000000000005
[  542.764420][ T4169] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  542.764849][ T4169] R10: 00007fe7694b7498 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast