======================================
| 0
| xx__-> [ 2260.210978][T19821] ------------[ cut here ]------------
| [2260.211536][T19821] WARNING: CPU: 3 PID: 19821 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) 
| [ 2260.212980][T19821] Modules linked in: dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
[ 2260.215816][T19821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2260.216362][T19821] 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) 
[ 2260.216872][T19821] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2260.218463][T19821] RSP: 0018:ffffc90001e7f140 EFLAGS: 00010246
[ 2260.219077][T19821] RAX: 0000000000000000 RBX: ffff88800e414000 RCX: 0000000000000001
[ 2260.219839][T19821] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2260.220594][T19821] RBP: ffffc90001e7f230 R08: ffff88800a870800 R09: 0000000000000000
[ 2260.221361][T19821] R10: ffffc90001e7f5c8 R11: ffffffffa7a59728 R12: 1ffff920003cfe2c
[ 2260.222122][T19821] R13: 0000000000002328 R14: ffffc90001e7f880 R15: ffff88801298b4e0
[ 2260.222883][T19821] FS:  00007f37dc407800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2260.223771][T19821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2260.224404][T19821] CR2: 00000000004e5aa0 CR3: 00000000020e8002 CR4: 0000000000772ef0
[ 2260.225079][T19821] PKRU: 55555554
[ 2260.225418][T19821] Call Trace:
[ 2260.225799][T19821]  <TASK>
[2260.226056][T19821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.226599][T19821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2260.227090][T19821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.227820][T19821] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2260.228276][T19821] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2260.228784][T19821] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2260.229321][T19821] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2260.229834][T19821] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2260.230470][T19821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2260.230969][T19821] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2260.231475][T19821] ? __kernel_text_address (kernel/extable.c:79) 
[2260.231972][T19821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.232493][T19821] ? __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) 
[2260.232986][T19821] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2260.233607][T19821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.234106][T19821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.234615][T19821] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2260.235117][T19821] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2260.235635][T19821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.236129][T19821] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2260.236642][T19821] ? __create_object (mm/kmemleak.c:771) 
[2260.237164][T19821] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2260.237662][T19821] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2260.238190][T19821] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2260.238803][T19821] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2260.239328][T19821] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2260.239831][T19821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2260.240344][T19821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.240856][T19821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.241364][T19821] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2260.241852][T19821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.242360][T19821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2260.242852][T19821] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2260.243360][T19821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2260.243861][T19821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.244384][T19821] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2260.244895][T19821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2260.245405][T19821] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2260.245923][T19821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2260.246424][T19821] ? 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) 
[2260.246921][T19821] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2260.247434][T19821] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2260.247952][T19821] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2260.248462][T19821] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2260.248960][T19821] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2260.249478][T19821] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2260.249981][T19821] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2260.250500][T19821] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2260.250991][T19821] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2260.251650][T19821] ___sys_sendmsg (net/socket.c:2670) 
[2260.252137][T19821] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2260.252643][T19821] ? __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) 
[2260.253273][T19821] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2260.253774][T19821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.254286][T19821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.254803][T19821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.255366][T19821] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2260.255796][T19821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.256248][T19821] __sys_sendmsg (net/socket.c:2700) 
[2260.256667][T19821] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2260.257201][T19821] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2260.257645][T19821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.258067][T19821] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2260.258558][T19821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2260.259200][T19821] RIP: 0033:0x7f37dc5d41e7
[ 2260.259723][T19821] 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)
[ 2260.261492][T19821] RSP: 002b:00007fff3ead5d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2260.262263][T19821] RAX: ffffffffffffffda RBX: 00007fff3ead64b0 RCX: 00007f37dc5d41e7
[ 2260.263002][T19821] RDX: 0000000000000000 RSI: 00007fff3ead5de0 RDI: 0000000000000005
[ 2260.263757][T19821] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2260.264511][T19821] R10: 00007f37dc4d1498 R11: 0000000000000246 R12: 0000000000000003
[ 2260.265277][T19821] R13: 00000000686e1204 R14: 0000000000499600 R15: 0000000000000000
| [ 2260.407365][T19822] ------------[ cut here ]------------
| [2260.407758][T19822] WARNING: CPU: 3 PID: 19822 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) 
| [ 2260.408727][T19822] Modules linked in: dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2260.411754][T19822] Tainted: [W]=WARN
[ 2260.412133][T19822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2260.412763][T19822] 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) 
[ 2260.413286][T19822] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2260.415335][T19822] RSP: 0018:ffffc90001e8f140 EFLAGS: 00010246
[ 2260.415809][T19822] RAX: 0000000000000000 RBX: ffff88800a914000 RCX: 0000000000000001
[ 2260.417013][T19822] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2260.417641][T19822] RBP: ffffc90001e8f230 R08: ffff888013595000 R09: 0000000000000000
[ 2260.418396][T19822] R10: ffffc90001e8f5c8 R11: ffffffffa7a59728 R12: 1ffff920003d1e2c
[ 2260.419164][T19822] R13: 0000000000002328 R14: ffffc90001e8f880 R15: ffff8880129898e0
[ 2260.419899][T19822] FS:  00007f472ae55800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2260.420773][T19822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2260.421414][T19822] CR2: 00000000004e59f0 CR3: 0000000004fba003 CR4: 0000000000772ef0
[ 2260.422182][T19822] PKRU: 55555554
[ 2260.422552][T19822] Call Trace:
[ 2260.422927][T19822]  <TASK>
[2260.423192][T19822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.423694][T19822] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2260.424200][T19822] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.424708][T19822] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2260.425214][T19822] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2260.425718][T19822] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2260.426234][T19822] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2260.426743][T19822] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2260.427388][T19822] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2260.427875][T19822] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2260.428376][T19822] ? __kernel_text_address (kernel/extable.c:79) 
[2260.428888][T19822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.429403][T19822] ? __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) 
[2260.429894][T19822] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2260.430516][T19822] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.431013][T19822] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.431517][T19822] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2260.432008][T19822] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2260.432517][T19822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.433018][T19822] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2260.433523][T19822] ? __create_object (mm/kmemleak.c:771) 
[2260.434018][T19822] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2260.434522][T19822] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2260.435024][T19822] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2260.435651][T19822] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2260.436170][T19822] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2260.436684][T19822] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2260.437189][T19822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.437696][T19822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.438202][T19822] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2260.438685][T19822] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.439197][T19822] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2260.439690][T19822] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2260.440208][T19822] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2260.440722][T19822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.441237][T19822] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2260.441727][T19822] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2260.442233][T19822] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2260.442752][T19822] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2260.443256][T19822] ? 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) 
[2260.443753][T19822] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2260.444277][T19822] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2260.444800][T19822] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2260.445317][T19822] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2260.445812][T19822] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2260.446318][T19822] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2260.446826][T19822] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2260.447316][T19822] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2260.447748][T19822] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2260.448304][T19822] ___sys_sendmsg (net/socket.c:2670) 
[2260.448720][T19822] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2260.449136][T19822] ? __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) 
[2260.449670][T19822] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2260.450095][T19822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.450539][T19822] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.450980][T19822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.451451][T19822] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2260.451939][T19822] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.452461][T19822] __sys_sendmsg (net/socket.c:2700) 
[2260.452951][T19822] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2260.453571][T19822] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2260.454092][T19822] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.454604][T19822] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2260.455118][T19822] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2260.455747][T19822] RIP: 0033:0x7f472b0221e7
[ 2260.456269][T19822] 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)
[ 2260.458043][T19822] RSP: 002b:00007ffe3a090a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2260.458817][T19822] RAX: ffffffffffffffda RBX: 00007ffe3a0911c0 RCX: 00007f472b0221e7
[ 2260.459571][T19822] RDX: 0000000000000000 RSI: 00007ffe3a090af0 RDI: 0000000000000005
[ 2260.460324][T19822] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2260.461057][T19822] R10: 00007f472af1f498 R11: 0000000000000246 R12: 0000000000000003
[ 2260.461815][T19822] R13: 00000000686e1205 R14: 0000000000499600 R15: 0000000000000000
| [ 2260.616824][T19823] ------------[ cut here ]------------
| [2260.617271][T19823] WARNING: CPU: 3 PID: 19823 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) 
| [ 2260.618200][T19823] Modules linked in: dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2260.621268][T19823] Tainted: [W]=WARN
[ 2260.621647][T19823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2260.622274][T19823] 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) 
[ 2260.622791][T19823] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2260.624591][T19823] RSP: 0018:ffffc90001e8f140 EFLAGS: 00010246
[ 2260.625006][T19823] RAX: 0000000000000000 RBX: ffff888005cd1000 RCX: 0000000000000001
[ 2260.625436][T19823] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2260.625858][T19823] RBP: ffffc90001e8f230 R08: ffff888018423800 R09: 0000000000000000
[ 2260.626294][T19823] R10: ffffc90001e8f5c8 R11: ffffffffa7a59728 R12: 1ffff920003d1e2c
[ 2260.626713][T19823] R13: 00000000000007d0 R14: ffffc90001e8f880 R15: ffff8880130e18e0
[ 2260.627129][T19823] FS:  00007f324e736800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2260.627624][T19823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2260.627976][T19823] CR2: 00000000004e5aa8 CR3: 000000000bb5a005 CR4: 0000000000772ef0
[ 2260.628410][T19823] PKRU: 55555554
[ 2260.628622][T19823] Call Trace:
[ 2260.628833][T19823]  <TASK>
[2260.628975][T19823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.629269][T19823] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2260.629548][T19823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.629828][T19823] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2260.630114][T19823] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2260.630403][T19823] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2260.630687][T19823] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2260.630972][T19823] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2260.631334][T19823] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2260.631621][T19823] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2260.631898][T19823] ? __kernel_text_address (kernel/extable.c:79) 
[2260.632195][T19823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.632475][T19823] ? __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) 
[2260.632757][T19823] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2260.633101][T19823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.633391][T19823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.633672][T19823] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2260.633948][T19823] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2260.634245][T19823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.634528][T19823] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2260.634816][T19823] ? __create_object (mm/kmemleak.c:771) 
[2260.635093][T19823] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2260.635382][T19823] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2260.635664][T19823] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2260.636008][T19823] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2260.636303][T19823] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2260.636597][T19823] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2260.636877][T19823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.637172][T19823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.637452][T19823] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2260.637729][T19823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.638008][T19823] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2260.638297][T19823] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2260.638578][T19823] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2260.638866][T19823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.639160][T19823] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2260.639441][T19823] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2260.639723][T19823] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2260.640012][T19823] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2260.640299][T19823] ? 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) 
[2260.640590][T19823] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2260.640871][T19823] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2260.641168][T19823] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2260.641449][T19823] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2260.641732][T19823] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2260.642012][T19823] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2260.642307][T19823] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2260.642591][T19823] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2260.642877][T19823] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2260.643244][T19823] ___sys_sendmsg (net/socket.c:2670) 
[2260.643523][T19823] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2260.643804][T19823] ? __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) 
[2260.644162][T19823] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2260.644443][T19823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.644737][T19823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.645027][T19823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.645318][T19823] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2260.645596][T19823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.645883][T19823] __sys_sendmsg (net/socket.c:2700) 
[2260.646168][T19823] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2260.646513][T19823] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2260.646806][T19823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.647092][T19823] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2260.647382][T19823] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2260.647731][T19823] RIP: 0033:0x7f324e9031e7
[ 2260.648023][T19823] 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)
[ 2260.649041][T19823] RSP: 002b:00007ffd84dbf478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2260.649474][T19823] RAX: ffffffffffffffda RBX: 00007ffd84dbfbb0 RCX: 00007f324e9031e7
[ 2260.649891][T19823] RDX: 0000000000000000 RSI: 00007ffd84dbf4e0 RDI: 0000000000000005
[ 2260.650316][T19823] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2260.650732][T19823] R10: 00007f324e800498 R11: 0000000000000246 R12: 0000000000000003
[ 2260.651164][T19823] R13: 00000000686e1205 R14: 0000000000499600 R15: 0000000000000000
| [ 2260.802557][T19824] ------------[ cut here ]------------
| [2260.802869][T19824] WARNING: CPU: 1 PID: 19824 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) 
| [ 2260.804803][T19824] Modules linked in: dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2260.806799][T19824] Tainted: [W]=WARN
[ 2260.807042][T19824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2260.807420][T19824] 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) 
[ 2260.807721][T19824] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2260.808740][T19824] RSP: 0018:ffffc90001e9f140 EFLAGS: 00010246
[ 2260.809105][T19824] RAX: 0000000000000000 RBX: ffff8880080c1000 RCX: 0000000000000001
[ 2260.809548][T19824] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2260.809972][T19824] RBP: ffffc90001e9f230 R08: ffff8880139fa000 R09: 0000000000000000
[ 2260.810407][T19824] R10: ffffc90001e9f5c8 R11: ffffffffa7a59728 R12: 1ffff920003d3e2c
[ 2260.810837][T19824] R13: 00000000000005dc R14: ffffc90001e9f880 R15: ffff8880130e03e0
[ 2260.811274][T19824] FS:  00007f3450336800(0000) GS:ffff88808d527000(0000) knlGS:0000000000000000
[ 2260.811774][T19824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2260.812132][T19824] CR2: 00000000004e5aa8 CR3: 000000000cf66004 CR4: 0000000000772ef0
[ 2260.812571][T19824] PKRU: 55555554
[ 2260.812793][T19824] Call Trace:
[ 2260.813003][T19824]  <TASK>
[2260.813146][T19824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.813457][T19824] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2260.813740][T19824] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.814026][T19824] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2260.814322][T19824] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2260.814608][T19824] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2260.814920][T19824] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2260.815223][T19824] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2260.815589][T19824] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2260.815878][T19824] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2260.816175][T19824] ? __kernel_text_address (kernel/extable.c:79) 
[2260.816459][T19824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.816747][T19824] ? __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) 
[2260.817042][T19824] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2260.817406][T19824] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.817694][T19824] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.817969][T19824] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2260.818257][T19824] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2260.818552][T19824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.818834][T19824] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2260.819120][T19824] ? __create_object (mm/kmemleak.c:771) 
[2260.819409][T19824] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2260.819690][T19824] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2260.819978][T19824] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2260.820338][T19824] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2260.820631][T19824] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2260.820933][T19824] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2260.821231][T19824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.821547][T19824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.821852][T19824] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2260.822129][T19824] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.822424][T19824] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2260.822703][T19824] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2260.822981][T19824] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2260.823272][T19824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.823556][T19824] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2260.823840][T19824] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2260.824121][T19824] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2260.824421][T19824] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2260.824710][T19824] ? 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) 
[2260.825000][T19824] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2260.825296][T19824] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2260.825590][T19824] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2260.825875][T19824] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2260.826188][T19824] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2260.826471][T19824] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2260.826754][T19824] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2260.827034][T19824] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2260.827322][T19824] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2260.827681][T19824] ___sys_sendmsg (net/socket.c:2670) 
[2260.827964][T19824] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2260.828249][T19824] ? __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) 
[2260.828597][T19824] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2260.828878][T19824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.829179][T19824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2260.829463][T19824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2260.829742][T19824] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2260.830026][T19824] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2260.830327][T19824] __sys_sendmsg (net/socket.c:2700) 
[2260.830607][T19824] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2260.830957][T19824] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2260.831257][T19824] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2260.831536][T19824] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2260.831814][T19824] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2260.832173][T19824] RIP: 0033:0x7f34505031e7
[ 2260.832463][T19824] 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)
[ 2260.833467][T19824] RSP: 002b:00007fff7dd0e368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2260.833891][T19824] RAX: ffffffffffffffda RBX: 00007fff7dd0eaa0 RCX: 00007f34505031e7
[ 2260.834323][T19824] RDX: 0000000000000000 RSI: 00007fff7dd0e3d0 RDI: 0000000000000005
[ 2260.834770][T19824] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2260.835196][T19824] R10: 00007f3450400498 R11: 0000000000000246 R12: 0000000000000003
[ 2260.835610][T19824] R13: 00000000686e1205 R14: 0000000000499600 R15: 0000000000000000
| [ 2260.990118][T19825] ------------[ cut here ]------------
| [2260.990473][T19825] WARNING: CPU: 1 PID: 19825 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) 
| [ 2260.991035][T19825] Modules linked in: dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2260.994000][T19825] Tainted: [W]=WARN
[ 2260.994222][T19825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2260.994576][T19825] 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) 
[ 2260.994886][T19825] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2260.995885][T19825] RSP: 0018:ffffc90001e9f140 EFLAGS: 00010246
[ 2260.996255][T19825] RAX: 0000000000000000 RBX: ffff888014509000 RCX: 0000000000000001
[ 2260.996705][T19825] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2260.997143][T19825] RBP: ffffc90001e9f230 R08: ffff8880138c0800 R09: 0000000000000000
[ 2260.997569][T19825] R10: ffffc90001e9f5c8 R11: ffffffffa7a59728 R12: 1ffff920003d3e2c
[ 2260.997983][T19825] R13: 00000000000005dc R14: ffffc90001e9f880 R15: ffff8880130e0e60
[ 2260.998421][T19825] FS:  00007f2148b9b800(0000) GS:ffff88808d527000(0000) knlGS:0000000000000000
[ 2260.998909][T19825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2260.999271][T19825] CR2: 00000000004e5aa0 CR3: 000000000acdd001 CR4: 0000000000772ef0
[ 2260.999691][T19825] PKRU: 55555554
[ 2260.999898][T19825] Call Trace:
[ 2261.000105][T19825]  <TASK>
[2261.000271][T19825] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.000563][T19825] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2261.000838][T19825] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2261.001124][T19825] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2261.001411][T19825] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2261.001693][T19825] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2261.001977][T19825] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2261.002278][T19825] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2261.002630][T19825] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2261.002907][T19825] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2261.003196][T19825] ? __kernel_text_address (kernel/extable.c:79) 
[2261.003480][T19825] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2261.003759][T19825] ? __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) 
[2261.004038][T19825] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2261.004414][T19825] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2261.004706][T19825] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2261.004999][T19825] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2261.005285][T19825] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2261.005565][T19825] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.005843][T19825] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2261.006116][T19825] ? __create_object (mm/kmemleak.c:771) 
[2261.006418][T19825] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2261.006703][T19825] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2261.006980][T19825] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2261.007334][T19825] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2261.007624][T19825] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2261.007907][T19825] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2261.008201][T19825] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2261.008489][T19825] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.008775][T19825] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2261.009048][T19825] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2261.009337][T19825] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2261.009620][T19825] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2261.009899][T19825] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2261.010187][T19825] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2261.010471][T19825] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2261.010760][T19825] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2261.011047][T19825] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2261.011347][T19825] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2261.011624][T19825] ? 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) 
[2261.011902][T19825] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2261.012198][T19825] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2261.012495][T19825] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2261.012784][T19825] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2261.013073][T19825] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2261.013367][T19825] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2261.013662][T19825] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2261.013944][T19825] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2261.014231][T19825] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2261.014590][T19825] ___sys_sendmsg (net/socket.c:2670) 
[2261.014879][T19825] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2261.015180][T19825] ? __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) 
[2261.015541][T19825] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2261.015826][T19825] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.016116][T19825] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2261.016411][T19825] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.016697][T19825] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2261.016974][T19825] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2261.017288][T19825] __sys_sendmsg (net/socket.c:2700) 
[2261.017567][T19825] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2261.017923][T19825] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2261.018223][T19825] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2261.018515][T19825] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2261.018803][T19825] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2261.019174][T19825] RIP: 0033:0x7f2148d681e7
[ 2261.019491][T19825] 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)
[ 2261.020543][T19825] RSP: 002b:00007ffc967a5a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2261.020980][T19825] RAX: ffffffffffffffda RBX: 00007ffc967a61a0 RCX: 00007f2148d681e7
[ 2261.021412][T19825] RDX: 0000000000000000 RSI: 00007ffc967a5ad0 RDI: 0000000000000005
[ 2261.021830][T19825] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2261.022252][T19825] R10: 00007f2148c65498 R11: 0000000000000246 R12: 0000000000000003
[ 2261.022691][T19825] R13: 00000000686e1205 R14: 0000000000499600 R15: 0000000000000000
| [ 2261.177203][T19826] ------------[ cut here ]------------
| [2261.177815][T19826] WARNING: CPU: 2 PID: 19826 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) 
| [ 2261.178838][T19826] Modules linked in: dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2261.182071][T19826] Tainted: [W]=WARN
[ 2261.182497][T19826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2261.183115][T19826] 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) 
[ 2261.183639][T19826] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2261.185268][T19826] RSP: 0018:ffffc90001c57140 EFLAGS: 00010246
[ 2261.185863][T19826] RAX: 0000000000000000 RBX: ffff888005cd4000 RCX: 0000000000000001
[ 2261.187352][T19826] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2261.188469][T19826] RBP: ffffc90001c57230 R08: ffff88800febe800 R09: 0000000000000000
[ 2261.189401][T19826] R10: ffffc90001c575c8 R11: ffffffffa7a59728 R12: 1ffff9200038ae2c
[ 2261.190184][T19826] R13: 00000000000007d0 R14: ffffc90001c57880 R15: ffff8880130e26e0
[ 2261.190954][T19826] FS:  00007fad697eb800(0000) GS:ffff88808d5a7000(0000) knlGS:0000000000000000
[ 2261.191887][T19826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2261.192580][T19826] CR2: 00000000004e59f0 CR3: 000000000c82d001 CR4: 0000000000772ef0
[ 2261.193410][T19826] PKRU: 55555554
[ 2261.193819][T19826] Call Trace:
[ 2261.194229][T19826]  <TASK>
[2261.194515][T19826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.195071][T19826] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2261.195610][T19826] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2261.196141][T19826] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2261.196688][T19826] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2261.197251][T19826] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2261.197782][T19826] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2261.198333][T19826] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2261.198711][T19826] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2261.199015][T19826] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2261.199372][T19826] ? __kernel_text_address (kernel/extable.c:79) 
[2261.199687][T19826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2261.200000][T19826] ? __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) 
[2261.200340][T19826] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2261.200721][T19826] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2261.201024][T19826] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2261.201365][T19826] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2261.201671][T19826] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2261.201967][T19826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.202288][T19826] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2261.202580][T19826] ? __create_object (mm/kmemleak.c:771) 
[2261.202874][T19826] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2261.203287][T19826] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2261.203808][T19826] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2261.204215][T19826] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2261.204518][T19826] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2261.204844][T19826] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2261.205186][T19826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2261.205500][T19826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.205806][T19826] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2261.206117][T19826] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2261.206439][T19826] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2261.206747][T19826] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2261.207049][T19826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2261.207374][T19826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2261.207683][T19826] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2261.207988][T19826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2261.208315][T19826] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2261.208622][T19826] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2261.208934][T19826] ? 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) 
[2261.209278][T19826] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2261.209581][T19826] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2261.209883][T19826] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2261.210214][T19826] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2261.210510][T19826] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2261.210815][T19826] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2261.211132][T19826] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2261.211466][T19826] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2261.211765][T19826] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2261.212169][T19826] ___sys_sendmsg (net/socket.c:2670) 
[2261.212468][T19826] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2261.212774][T19826] ? __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) 
[2261.213182][T19826] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2261.213494][T19826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.213797][T19826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2261.214137][T19826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2261.214706][T19826] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2261.215243][T19826] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2261.215752][T19826] __sys_sendmsg (net/socket.c:2700) 
[2261.216062][T19826] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2261.216449][T19826] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2261.216780][T19826] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2261.217102][T19826] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2261.217716][T19826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2261.218200][T19826] RIP: 0033:0x7fad699b81e7
[ 2261.218547][T19826] 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)
[ 2261.219616][T19826] RSP: 002b:00007ffdbff43518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2261.220066][T19826] RAX: ffffffffffffffda RBX: 00007ffdbff43c50 RCX: 00007fad699b81e7
[ 2261.220521][T19826] RDX: 0000000000000000 RSI: 00007ffdbff43580 RDI: 0000000000000005
[ 2261.220956][T19826] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2261.221546][T19826] R10: 00007fad698b5498 R11: 0000000000000246 R12: 0000000000000003
[ 2261.222008][T19826] R13: 00000000686e1205 R14: 0000000000499600 R15: 0000000000000000
| [ 2295.910851][T20037] ------------[ cut here ]------------
| [2295.911235][T20037] WARNING: CPU: 2 PID: 20037 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) 
| [ 2295.911876][T20037] Modules linked in: bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2295.915395][T20037] Tainted: [W]=WARN
[ 2295.915678][T20037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2295.916096][T20037] 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) 
[ 2295.916454][T20037] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2295.917619][T20037] RSP: 0018:ffffc90000096ef0 EFLAGS: 00010246
[ 2295.918045][T20037] RAX: 0000000000000000 RBX: ffff88801a382000 RCX: 0000000000000001
[ 2295.918535][T20037] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2295.919021][T20037] RBP: ffffc90000096fe0 R08: 0000000000000000 R09: 0000000000000000
[ 2295.919542][T20037] R10: ffffc90000097010 R11: ffffffffa71798a0 R12: 1ffff92000012de2
[ 2295.920038][T20037] R13: 0000000000002328 R14: ffffc90000097010 R15: ffff88801a382f08
[ 2295.920547][T20037] FS:  00007f0a07c51800(0000) GS:ffff88808d5a7000(0000) knlGS:0000000000000000
[ 2295.921129][T20037] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2295.921546][T20037] CR2: 00000000004e5aa0 CR3: 0000000004c07005 CR4: 0000000000772ef0
[ 2295.922045][T20037] PKRU: 55555554
[ 2295.922308][T20037] Call Trace:
[ 2295.922559][T20037]  <TASK>
[2295.922744][T20037] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2295.923073][T20037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2295.923455][T20037] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2295.923791][T20037] netif_set_mtu (net/core/dev.c:9652) 
[2295.924116][T20037] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2295.924485][T20037] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2295.924761][T20037] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[2295.925258][T20037] br_add_if (net/bridge/br_if.c:697) bridge 
[2295.925660][T20037] do_set_master (net/core/rtnetlink.c:2948) 
[2295.926018][T20037] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[2295.926381][T20037] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2295.926807][T20037] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2295.927170][T20037] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2295.927529][T20037] ? __kernel_text_address (kernel/extable.c:79) 
[2295.927873][T20037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2295.928239][T20037] ? __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) 
[2295.928583][T20037] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2295.929014][T20037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2295.929363][T20037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2295.929715][T20037] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2295.930048][T20037] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2295.930399][T20037] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2295.930743][T20037] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2295.931075][T20037] ? __create_object (mm/kmemleak.c:771) 
[2295.931445][T20037] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2295.931783][T20037] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2295.932132][T20037] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2295.932566][T20037] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2295.932906][T20037] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2295.933253][T20037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2295.933601][T20037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2295.933974][T20037] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2295.934336][T20037] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2295.934675][T20037] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2295.935053][T20037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2295.935419][T20037] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2295.935758][T20037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2295.936098][T20037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2295.936450][T20037] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2295.936797][T20037] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2295.937133][T20037] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2295.937494][T20037] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2295.937852][T20037] ? 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) 
[2295.938189][T20037] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2295.938515][T20037] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2295.938847][T20037] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2295.939206][T20037] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2295.939534][T20037] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2295.939860][T20037] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2295.940203][T20037] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2295.940530][T20037] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2295.940856][T20037] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2295.941278][T20037] ___sys_sendmsg (net/socket.c:2670) 
[2295.941608][T20037] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2295.941942][T20037] ? __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) 
[2295.942356][T20037] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2295.942684][T20037] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2295.943015][T20037] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2295.943395][T20037] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2295.943724][T20037] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2295.944060][T20037] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2295.944405][T20037] __sys_sendmsg (net/socket.c:2700) 
[2295.944740][T20037] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2295.945183][T20037] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2295.945542][T20037] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2295.945871][T20037] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2295.946211][T20037] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2295.946629][T20037] RIP: 0033:0x7f0a07e1e1e7
[ 2295.946990][T20037] 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)
[ 2295.948168][T20037] RSP: 002b:00007ffd436ce0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2295.948674][T20037] RAX: ffffffffffffffda RBX: 00007ffd436ce800 RCX: 00007f0a07e1e1e7
[ 2295.949174][T20037] RDX: 0000000000000000 RSI: 00007ffd436ce130 RDI: 0000000000000005
[ 2295.949649][T20037] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 2295.950122][T20037] R10: 00000000200b3910 R11: 0000000000000246 R12: 0000000000000003
[ 2295.950609][T20037] R13: 00000000686e1228 R14: 0000000000499600 R15: 0000000000000000
| [ 2301.071189][T20085] ------------[ cut here ]------------
| [2301.071523][T20085] WARNING: CPU: 3 PID: 20085 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) 
| [ 2301.072183][T20085] Modules linked in: bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2301.075707][T20085] Tainted: [W]=WARN
[ 2301.075951][T20085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2301.076391][T20085] 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) 
[ 2301.076724][T20085] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2301.077859][T20085] RSP: 0018:ffffc9000040ef70 EFLAGS: 00010246
[ 2301.078278][T20085] RAX: 0000000000000000 RBX: ffff88801a382000 RCX: 0000000000000001
[ 2301.078742][T20085] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2301.079218][T20085] RBP: ffffc9000040f058 R08: 0000000000000000 R09: 0000000000000000
[ 2301.079704][T20085] R10: ffffc9000040f088 R11: ffffffffa3000130 R12: 1ffff92000081df2
[ 2301.080194][T20085] R13: 00000000000005dc R14: ffffc9000040f088 R15: ffff88801a382f08
[ 2301.080675][T20085] FS:  00007fd79cb27800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2301.081234][T20085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2301.081649][T20085] CR2: 00000000004e5aa0 CR3: 0000000014398001 CR4: 0000000000772ef0
[ 2301.082115][T20085] PKRU: 55555554
[ 2301.082378][T20085] Call Trace:
[ 2301.082613][T20085]  <TASK>
[2301.082769][T20085] ? __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) 
[2301.083171][T20085] ? br_del_if (net/bridge/br_if.c:742) bridge 
[2301.083538][T20085] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[2301.083858][T20085] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[2301.084201][T20085] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2301.084537][T20085] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2301.084862][T20085] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2301.085182][T20085] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2301.085506][T20085] ? ___sys_sendmsg (net/socket.c:2670) 
[2301.085820][T20085] ? __sys_sendmsg (net/socket.c:2700) 
[2301.086128][T20085] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2301.086465][T20085] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[2301.086853][T20085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2301.087183][T20085] netif_set_mtu (net/core/dev.c:9652) 
[2301.087524][T20085] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2301.087850][T20085] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2301.088091][T20085] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[2301.088598][T20085] br_del_if (net/bridge/br_if.c:743) bridge 
[2301.088959][T20085] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[2301.089279][T20085] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[2301.089610][T20085] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[2301.089925][T20085] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2301.090326][T20085] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2301.090652][T20085] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2301.090961][T20085] ? __kernel_text_address (kernel/extable.c:79) 
[2301.091297][T20085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2301.091651][T20085] ? __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) 
[2301.091960][T20085] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2301.092367][T20085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2301.092709][T20085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2301.093026][T20085] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2301.093358][T20085] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2301.093682][T20085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2301.094001][T20085] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2301.094324][T20085] ? __create_object (mm/kmemleak.c:771) 
[2301.094651][T20085] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2301.094977][T20085] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2301.095306][T20085] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2301.095709][T20085] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2301.096025][T20085] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2301.096370][T20085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2301.096697][T20085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2301.097011][T20085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2301.097336][T20085] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2301.097648][T20085] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2301.097973][T20085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2301.098316][T20085] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2301.098631][T20085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2301.098964][T20085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2301.099288][T20085] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2301.099621][T20085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2301.099953][T20085] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2301.100305][T20085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2301.100615][T20085] ? 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) 
[2301.100944][T20085] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2301.101278][T20085] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2301.101599][T20085] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2301.101931][T20085] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2301.102250][T20085] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2301.102568][T20085] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2301.102894][T20085] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2301.103217][T20085] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2301.103535][T20085] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2301.103950][T20085] ___sys_sendmsg (net/socket.c:2670) 
[2301.104292][T20085] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2301.104606][T20085] ? __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) 
[2301.105021][T20085] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2301.105344][T20085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2301.105663][T20085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2301.106003][T20085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2301.106324][T20085] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2301.106633][T20085] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2301.106965][T20085] __sys_sendmsg (net/socket.c:2700) 
[2301.107285][T20085] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2301.107669][T20085] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2301.108054][T20085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2301.108396][T20085] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2301.108729][T20085] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2301.109131][T20085] RIP: 0033:0x7fd79ccf41e7
[ 2301.109470][T20085] 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)
[ 2301.110616][T20085] RSP: 002b:00007ffd6b670028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2301.111133][T20085] RAX: ffffffffffffffda RBX: 00007ffd6b670760 RCX: 00007fd79ccf41e7
[ 2301.111611][T20085] RDX: 0000000000000000 RSI: 00007ffd6b670090 RDI: 0000000000000005
[ 2301.112104][T20085] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 2301.112610][T20085] R10: 00007fd79cbf1498 R11: 0000000000000246 R12: 0000000000000002
[ 2301.113126][T20085] R13: 00000000686e122d R14: 0000000000499600 R15: 0000000000000000
| [ 2302.018645][T20092] ------------[ cut here ]------------
| [2302.018977][T20092] WARNING: CPU: 3 PID: 20092 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) 
| [ 2302.019635][T20092] Modules linked in: 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2302.022125][T20092] Tainted: [W]=WARN
[ 2302.022382][T20092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2302.022789][T20092] 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) 
[ 2302.023135][T20092] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2302.024321][T20092] RSP: 0018:ffffc900006a6ef0 EFLAGS: 00010246
[ 2302.024744][T20092] RAX: 0000000000000000 RBX: ffff88801a382000 RCX: 0000000000000001
[ 2302.025257][T20092] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2302.025749][T20092] RBP: ffffc900006a6fe0 R08: 0000000000000000 R09: 0000000000000000
[ 2302.026251][T20092] R10: ffffc900006a7010 R11: ffffffffa71798a0 R12: 1ffff920000d4de2
[ 2302.026737][T20092] R13: 0000000000002328 R14: ffffc900006a7010 R15: ffff88801a382f08
[ 2302.027233][T20092] FS:  00007f04b7f14800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2302.027809][T20092] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2302.028226][T20092] CR2: 00000000004e6888 CR3: 000000000aa9e006 CR4: 0000000000772ef0
[ 2302.028796][T20092] PKRU: 55555554
[ 2302.029035][T20092] Call Trace:
[ 2302.029291][T20092]  <TASK>
[2302.029462][T20092] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2302.029780][T20092] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2302.030102][T20092] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2302.030428][T20092] netif_set_mtu (net/core/dev.c:9652) 
[2302.030739][T20092] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2302.031069][T20092] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2302.031314][T20092] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[2302.031749][T20092] br_add_if (net/bridge/br_if.c:697) bridge 
[2302.032108][T20092] do_set_master (net/core/rtnetlink.c:2948) 
[2302.032440][T20092] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[2302.032766][T20092] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2302.033200][T20092] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2302.033514][T20092] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2302.033822][T20092] ? __kernel_text_address (kernel/extable.c:79) 
[2302.034136][T20092] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2302.034466][T20092] ? __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) 
[2302.034797][T20092] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2302.035190][T20092] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2302.035510][T20092] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2302.035819][T20092] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2302.036125][T20092] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2302.036449][T20092] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2302.036788][T20092] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2302.037105][T20092] ? __create_object (mm/kmemleak.c:771) 
[2302.037445][T20092] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2302.037766][T20092] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2302.038078][T20092] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2302.038473][T20092] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2302.038796][T20092] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2302.039113][T20092] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2302.039436][T20092] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2302.039768][T20092] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2302.040076][T20092] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2302.040393][T20092] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2302.040705][T20092] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2302.041011][T20092] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2302.041340][T20092] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2302.041656][T20092] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2302.041974][T20092] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2302.042294][T20092] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2302.042605][T20092] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2302.042927][T20092] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2302.043241][T20092] ? 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) 
[2302.043552][T20092] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2302.043869][T20092] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2302.044205][T20092] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2302.044523][T20092] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2302.044845][T20092] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2302.045183][T20092] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2302.045504][T20092] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2302.045816][T20092] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2302.046131][T20092] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2302.046539][T20092] ___sys_sendmsg (net/socket.c:2670) 
[2302.046845][T20092] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2302.047164][T20092] ? __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) 
[2302.047547][T20092] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2302.047858][T20092] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2302.048179][T20092] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2302.048497][T20092] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2302.048806][T20092] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2302.049123][T20092] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2302.049460][T20092] __sys_sendmsg (net/socket.c:2700) 
[2302.049781][T20092] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2302.050176][T20092] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2302.050501][T20092] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2302.050812][T20092] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2302.051125][T20092] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2302.051527][T20092] RIP: 0033:0x7f04b80e11e7
[ 2302.051851][T20092] 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)
[ 2302.052960][T20092] RSP: 002b:00007ffefa716ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2302.053450][T20092] RAX: ffffffffffffffda RBX: 00007ffefa717630 RCX: 00007f04b80e11e7
[ 2302.053913][T20092] RDX: 0000000000000000 RSI: 00007ffefa716f60 RDI: 0000000000000005
[ 2302.054384][T20092] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 2302.054856][T20092] R10: 0000000015299910 R11: 0000000000000246 R12: 0000000000000003
[ 2302.055327][T20092] R13: 00000000686e122e R14: 0000000000499600 R15: 0000000000000000
| [ 2307.873446][T20145] ------------[ cut here ]------------
| [2307.873784][T20145] WARNING: CPU: 3 PID: 20145 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) 
| [ 2307.874446][T20145] Modules linked in: 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2307.877520][T20145] Tainted: [W]=WARN
[ 2307.877770][T20145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2307.878181][T20145] 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) 
[ 2307.878518][T20145] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2307.879694][T20145] RSP: 0018:ffffc900007f6e80 EFLAGS: 00010246
[ 2307.880103][T20145] RAX: 0000000000000000 RBX: ffff88801a382000 RCX: 0000000000000001
[ 2307.880610][T20145] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2307.881095][T20145] RBP: ffffc900007f6f68 R08: 0000000000000000 R09: 0000000000000000
[ 2307.881593][T20145] R10: ffffc900007f6f98 R11: ffffffffa6020d81 R12: 1ffff920000fedd4
[ 2307.882081][T20145] R13: 00000000000005dc R14: ffffc900007f6f98 R15: ffff88801a382f08
[ 2307.882569][T20145] FS:  00007f7252e23800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2307.883128][T20145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2307.883542][T20145] CR2: 00000000004a1738 CR3: 000000000ff37002 CR4: 0000000000772ef0
[ 2307.884037][T20145] PKRU: 55555554
[ 2307.884292][T20145] Call Trace:
[ 2307.884532][T20145]  <TASK>
[2307.884693][T20145] ? __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) 
[2307.885112][T20145] ? br_del_if (net/bridge/br_if.c:742) bridge 
[2307.885502][T20145] ? br_device_event (net/bridge/br.c:141) bridge 
[2307.885854][T20145] ? notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[2307.886203][T20145] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2307.886531][T20145] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2307.886856][T20145] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2307.887196][T20145] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2307.887515][T20145] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2307.887831][T20145] ? ___sys_sendmsg (net/socket.c:2670) 
[2307.888167][T20145] ? __sys_sendmsg (net/socket.c:2700) 
[2307.888483][T20145] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2307.888808][T20145] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[2307.889238][T20145] netif_set_mtu (net/core/dev.c:9652) 
[2307.889560][T20145] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2307.889897][T20145] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2307.890143][T20145] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[2307.890603][T20145] br_del_if (net/bridge/br_if.c:743) bridge 
[2307.890966][T20145] br_device_event (net/bridge/br.c:141) bridge 
[2307.891334][T20145] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[2307.891781][T20145] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[2307.892239][T20145] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[2307.892569][T20145] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[2307.892974][T20145] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[2307.893393][T20145] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[2307.893721][T20145] rtnl_dellink (net/core/rtnetlink.c:3515 net/core/rtnetlink.c:3555) 
[2307.894048][T20145] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[2307.894429][T20145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2307.894771][T20145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2307.895103][T20145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2307.895435][T20145] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2307.895753][T20145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2307.896079][T20145] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[2307.896412][T20145] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2307.896744][T20145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2307.897066][T20145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2307.897410][T20145] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2307.897733][T20145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2307.898052][T20145] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2307.898397][T20145] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2307.898719][T20145] ? 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) 
[2307.899048][T20145] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2307.899381][T20145] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2307.899708][T20145] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2307.900032][T20145] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2307.900366][T20145] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2307.900690][T20145] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2307.901017][T20145] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2307.901358][T20145] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2307.901679][T20145] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2307.902078][T20145] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[2307.902432][T20145] ___sys_sendmsg (net/socket.c:2670) 
[2307.902756][T20145] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2307.903077][T20145] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2307.903410][T20145] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2307.903735][T20145] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2307.904069][T20145] ? __handle_mm_fault (mm/memory.c:6212) 
[2307.904398][T20145] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2307.904723][T20145] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2307.905066][T20145] __sys_sendmsg (net/socket.c:2700) 
[2307.905399][T20145] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2307.905718][T20145] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[2307.906052][T20145] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[2307.906391][T20145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2307.906718][T20145] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2307.907039][T20145] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2307.907448][T20145] RIP: 0033:0x7f7252ff01e7
[ 2307.907779][T20145] 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)
[ 2307.908942][T20145] RSP: 002b:00007ffd63952998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2307.909439][T20145] RAX: ffffffffffffffda RBX: 00007ffd639530d0 RCX: 00007f7252ff01e7
[ 2307.909921][T20145] RDX: 0000000000000000 RSI: 00007ffd63952a00 RDI: 0000000000000005
[ 2307.910426][T20145] RBP: 0000000000000000 R08: 000000000000002c R09: 0000000000404130
[ 2307.910905][T20145] R10: 0000000000404130 R11: 0000000000000246 R12: 00007ffd639530e8
[ 2307.911392][T20145] R13: 00000000686e1234 R14: 0000000000499600 R15: 0000000000000000
| [ 2324.876543][T20269] ------------[ cut here ]------------
| [2324.876893][T20269] WARNING: CPU: 3 PID: 20269 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) 
| [ 2324.877587][T20269] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2324.880121][T20269] Tainted: [W]=WARN
[ 2324.880367][T20269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2324.880750][T20269] 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) 
[ 2324.881083][T20269] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2324.882168][T20269] RSP: 0018:ffffc9000035f140 EFLAGS: 00010246
[ 2324.882546][T20269] RAX: 0000000000000000 RBX: ffff88800b819000 RCX: 0000000000000001
[ 2324.882995][T20269] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2324.883459][T20269] RBP: ffffc9000035f230 R08: ffff888012155000 R09: 0000000000000000
[ 2324.883904][T20269] R10: ffffc9000035f5c8 R11: ffffffffa7a59728 R12: 1ffff9200006be2c
[ 2324.884376][T20269] R13: 0000000000005b5b R14: ffffc9000035f880 R15: ffff88800cd21560
[ 2324.884845][T20269] FS:  00007ff338657800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2324.885387][T20269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2324.885763][T20269] CR2: 00000000004e5aa0 CR3: 000000000546a006 CR4: 0000000000772ef0
[ 2324.886235][T20269] PKRU: 55555554
[ 2324.886462][T20269] Call Trace:
[ 2324.886688][T20269]  <TASK>
[2324.886849][T20269] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2324.887178][T20269] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2324.887477][T20269] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2324.887774][T20269] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2324.888084][T20269] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2324.888393][T20269] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2324.888695][T20269] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2324.889009][T20269] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2324.889412][T20269] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2324.889707][T20269] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2324.890000][T20269] ? __kernel_text_address (kernel/extable.c:79) 
[2324.890328][T20269] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2324.890634][T20269] ? __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) 
[2324.890934][T20269] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2324.891375][T20269] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2324.891680][T20269] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2324.891977][T20269] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2324.892298][T20269] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2324.892600][T20269] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2324.892903][T20269] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2324.893225][T20269] ? __create_object (mm/kmemleak.c:771) 
[2324.893535][T20269] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2324.893830][T20269] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2324.894124][T20269] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2324.894501][T20269] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2324.894819][T20269] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2324.895139][T20269] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2324.895448][T20269] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2324.895752][T20269] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2324.896062][T20269] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2324.896366][T20269] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2324.896662][T20269] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2324.896954][T20269] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2324.897261][T20269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2324.897562][T20269] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2324.897863][T20269] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2324.898170][T20269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2324.898477][T20269] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2324.898784][T20269] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2324.899089][T20269] ? 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) 
[2324.899397][T20269] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2324.899702][T20269] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2324.900006][T20269] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2324.900323][T20269] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2324.900622][T20269] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2324.900921][T20269] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2324.901232][T20269] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2324.901534][T20269] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2324.901832][T20269] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2324.902226][T20269] ___sys_sendmsg (net/socket.c:2670) 
[2324.902525][T20269] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2324.902835][T20269] ? __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) 
[2324.903215][T20269] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2324.903519][T20269] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2324.903819][T20269] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2324.904126][T20269] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2324.904437][T20269] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2324.904752][T20269] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2324.905079][T20269] __sys_sendmsg (net/socket.c:2700) 
[2324.905385][T20269] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2324.905785][T20269] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2324.906091][T20269] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2324.906399][T20269] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2324.906703][T20269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2324.907082][T20269] RIP: 0033:0x7ff3388241e7
[ 2324.907410][T20269] 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)
[ 2324.908475][T20269] RSP: 002b:00007ffffca9cdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2324.908924][T20269] RAX: ffffffffffffffda RBX: 00007ffffca9d4f0 RCX: 00007ff3388241e7
[ 2324.909385][T20269] RDX: 0000000000000000 RSI: 00007ffffca9ce20 RDI: 0000000000000005
[ 2324.909824][T20269] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2324.910280][T20269] R10: 00007ff338721498 R11: 0000000000000246 R12: 0000000000000003
[ 2324.910720][T20269] R13: 00000000686e1245 R14: 0000000000499600 R15: 0000000000000000
| [ 2325.052568][T20270] ------------[ cut here ]------------
| [2325.052914][T20270] WARNING: CPU: 3 PID: 20270 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [ 2325.053502][T20270] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2325.055835][T20270] Tainted: [W]=WARN
[ 2325.056050][T20270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2325.056416][T20270] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 2325.056708][T20270] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 2325.058777][T20270] RSP: 0018:ffffc90001147140 EFLAGS: 00010246
[ 2325.059140][T20270] RAX: 0000000000000000 RBX: ffff888012efc000 RCX: 0000000000000001
[ 2325.059580][T20270] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2325.060014][T20270] RBP: ffffc90001147230 R08: ffff88800e8a0800 R09: 0000000000000000
[ 2325.060468][T20270] R10: ffffc900011475c8 R11: ffffffffa7a59728 R12: 1ffff92000228e2c
[ 2325.060894][T20270] R13: 0000000000005b5b R14: ffffc90001147880 R15: ffff88800cd21c60
[ 2325.061325][T20270] FS:  00007f3718505800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2325.061828][T20270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2325.062196][T20270] CR2: 00000000004e59f0 CR3: 000000000aea1001 CR4: 0000000000772ef0
[ 2325.062621][T20270] PKRU: 55555554
[ 2325.062833][T20270] Call Trace:
[ 2325.063045][T20270]  <TASK>
[2325.063199][T20270] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.063491][T20270] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2325.063773][T20270] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.064066][T20270] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2325.064359][T20270] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2325.064644][T20270] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2325.065047][T20270] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2325.065368][T20270] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2325.065748][T20270] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2325.066058][T20270] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2325.066366][T20270] ? __kernel_text_address (kernel/extable.c:79) 
[2325.066671][T20270] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.066970][T20270] ? __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) 
[2325.067284][T20270] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2325.067656][T20270] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.067954][T20270] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.068261][T20270] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2325.068559][T20270] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2325.068858][T20270] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.069169][T20270] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2325.069487][T20270] ? __create_object (mm/kmemleak.c:771) 
[2325.069786][T20270] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2325.070082][T20270] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2325.070395][T20270] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2325.070771][T20270] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2325.071075][T20270] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2325.071403][T20270] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.071704][T20270] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.072009][T20270] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.072318][T20270] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2325.072610][T20270] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.072907][T20270] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.073221][T20270] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2325.073521][T20270] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.073822][T20270] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.074122][T20270] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2325.074429][T20270] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.074734][T20270] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2325.075047][T20270] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2325.075360][T20270] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[2325.075684][T20270] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2325.075986][T20270] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2325.076302][T20270] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2325.076607][T20270] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2325.076906][T20270] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2325.077214][T20270] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2325.077527][T20270] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2325.077827][T20270] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2325.078122][T20270] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2325.078521][T20270] ___sys_sendmsg (net/socket.c:2670) 
[2325.078815][T20270] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2325.079109][T20270] ? __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) 
[2325.079487][T20270] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2325.079790][T20270] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.080089][T20270] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.080406][T20270] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.080701][T20270] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2325.080993][T20270] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.081304][T20270] __sys_sendmsg (net/socket.c:2700) 
[2325.081596][T20270] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2325.081969][T20270] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2325.082300][T20270] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.082607][T20270] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2325.082905][T20270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2325.083277][T20270] RIP: 0033:0x7f37186d21e7
[ 2325.083584][T20270] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 2325.084647][T20270] RSP: 002b:00007ffe0eef3968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2325.085119][T20270] RAX: ffffffffffffffda RBX: 00007ffe0eef40a0 RCX: 00007f37186d21e7
[ 2325.085569][T20270] RDX: 0000000000000000 RSI: 00007ffe0eef39d0 RDI: 0000000000000005
[ 2325.086008][T20270] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2325.086467][T20270] R10: 00007f37185cf498 R11: 0000000000000246 R12: 0000000000000003
[ 2325.086904][T20270] R13: 00000000686e1245 R14: 0000000000499600 R15: 0000000000000000
| [ 2325.222397][T20271] ------------[ cut here ]------------
| [2325.222740][T20271] WARNING: CPU: 3 PID: 20271 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [ 2325.223329][T20271] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2325.225712][T20271] Tainted: [W]=WARN
[ 2325.225925][T20271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2325.227703][T20271] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 2325.228005][T20271] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 2325.229021][T20271] RSP: 0018:ffffc90001157140 EFLAGS: 00010246
[ 2325.229383][T20271] RAX: 0000000000000000 RBX: ffff888012274000 RCX: 0000000000000001
[ 2325.229801][T20271] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2325.230236][T20271] RBP: ffffc90001157230 R08: ffff88800b958800 R09: 0000000000000000
[ 2325.230654][T20271] R10: ffffc900011575c8 R11: ffffffffa7a59728 R12: 1ffff9200022ae2c
[ 2325.231071][T20271] R13: 0000000000006181 R14: ffffc90001157880 R15: ffff88800cd226e0
[ 2325.231504][T20271] FS:  00007fe73b31d800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2325.232004][T20271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2325.232366][T20271] CR2: 00000000004e5aa8 CR3: 00000000020c1002 CR4: 0000000000772ef0
[ 2325.232789][T20271] PKRU: 55555554
[ 2325.232998][T20271] Call Trace:
[ 2325.233216][T20271]  <TASK>
[2325.233360][T20271] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.233648][T20271] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2325.233938][T20271] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.234232][T20271] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2325.234521][T20271] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2325.234825][T20271] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2325.235115][T20271] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2325.235417][T20271] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2325.235780][T20271] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2325.236061][T20271] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2325.236349][T20271] ? __kernel_text_address (kernel/extable.c:79) 
[2325.236635][T20271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.236915][T20271] ? __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) 
[2325.237204][T20271] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2325.237553][T20271] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.237843][T20271] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.238120][T20271] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2325.238406][T20271] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2325.238688][T20271] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.238966][T20271] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2325.239247][T20271] ? __create_object (mm/kmemleak.c:771) 
[2325.239529][T20271] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2325.239809][T20271] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2325.240096][T20271] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2325.240480][T20271] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2325.240768][T20271] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2325.241051][T20271] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.241337][T20271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.241630][T20271] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.241911][T20271] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2325.242204][T20271] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.242495][T20271] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.242774][T20271] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2325.243057][T20271] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.243351][T20271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.243640][T20271] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2325.243920][T20271] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.244211][T20271] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2325.244515][T20271] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2325.244809][T20271] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[2325.245090][T20271] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2325.245383][T20271] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2325.245671][T20271] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2325.245953][T20271] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2325.246242][T20271] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2325.246534][T20271] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2325.246818][T20271] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2325.247097][T20271] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2325.247383][T20271] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2325.247740][T20271] ___sys_sendmsg (net/socket.c:2670) 
[2325.248018][T20271] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2325.248308][T20271] ? __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) 
[2325.248664][T20271] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2325.248944][T20271] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2325.249231][T20271] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2325.249521][T20271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.249811][T20271] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.250099][T20271] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.250389][T20271] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[2325.250690][T20271] __sys_sendmsg (net/socket.c:2700) 
[2325.250975][T20271] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[2325.251333][T20271] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2325.251627][T20271] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.251905][T20271] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2325.252209][T20271] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2325.252583][T20271] RIP: 0033:0x7fe73b4ea1e7
[ 2325.252876][T20271] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 2325.253896][T20271] RSP: 002b:00007ffe190a9ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2325.254332][T20271] RAX: ffffffffffffffda RBX: 00007ffe190aa420 RCX: 00007fe73b4ea1e7
[ 2325.254758][T20271] RDX: 0000000000000000 RSI: 00007ffe190a9d50 RDI: 0000000000000005
[ 2325.255195][T20271] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2325.255613][T20271] R10: 00007fe73b3e7498 R11: 0000000000000246 R12: 0000000000000003
[ 2325.256027][T20271] R13: 00000000686e1245 R14: 0000000000499600 R15: 0000000000000000
| [ 2325.419835][T20272] ------------[ cut here ]------------
| [2325.420200][T20272] WARNING: CPU: 3 PID: 20272 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [ 2325.420768][T20272] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2325.423233][T20272] Tainted: [W]=WARN
[ 2325.423450][T20272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2325.423801][T20272] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 2325.424094][T20272] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 2325.425135][T20272] RSP: 0018:ffffc90001167140 EFLAGS: 00010246
[ 2325.426046][T20272] RAX: 0000000000000000 RBX: ffff88800c274000 RCX: 0000000000000001
[ 2325.426486][T20272] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2325.426910][T20272] RBP: ffffc90001167230 R08: ffff88800a85b800 R09: 0000000000000000
[ 2325.427359][T20272] R10: ffffc900011675c8 R11: ffffffffa7a59728 R12: 1ffff9200022ce2c
[ 2325.427786][T20272] R13: 0000000000002639 R14: ffffc90001167880 R15: ffff88800eb9f4e0
[ 2325.428224][T20272] FS:  00007f75300ed800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2325.428728][T20272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2325.429088][T20272] CR2: 00000000004e5aa8 CR3: 0000000007720003 CR4: 0000000000772ef0
[ 2325.429546][T20272] PKRU: 55555554
[ 2325.429760][T20272] Call Trace:
[ 2325.429973][T20272]  <TASK>
[2325.430119][T20272] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.430420][T20272] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2325.430703][T20272] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.430988][T20272] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2325.431293][T20272] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2325.431578][T20272] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2325.431866][T20272] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2325.432175][T20272] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2325.432532][T20272] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2325.432845][T20272] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2325.433126][T20272] ? __kernel_text_address (kernel/extable.c:79) 
[2325.433441][T20272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.433727][T20272] ? __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) 
[2325.434010][T20272] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2325.434369][T20272] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.434657][T20272] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.434956][T20272] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2325.435243][T20272] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2325.435534][T20272] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.435815][T20272] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2325.436093][T20272] ? __create_object (mm/kmemleak.c:771) 
[2325.436390][T20272] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2325.436674][T20272] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2325.436957][T20272] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2325.437323][T20272] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2325.437615][T20272] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2325.437911][T20272] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.438206][T20272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.438493][T20272] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.438776][T20272] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2325.439057][T20272] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.439351][T20272] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.439633][T20272] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2325.439917][T20272] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.440218][T20272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.440503][T20272] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2325.440794][T20272] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.441079][T20272] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2325.441385][T20272] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2325.441664][T20272] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[2325.441954][T20272] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2325.442249][T20272] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2325.442538][T20272] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2325.442822][T20272] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2325.443106][T20272] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2325.443402][T20272] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2325.443688][T20272] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2325.443967][T20272] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2325.444265][T20272] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2325.444655][T20272] ___sys_sendmsg (net/socket.c:2670) 
[2325.444942][T20272] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2325.445237][T20272] ? __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) 
[2325.445584][T20272] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2325.445871][T20272] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.446169][T20272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.446465][T20272] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.446745][T20272] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2325.447024][T20272] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.447325][T20272] __sys_sendmsg (net/socket.c:2700) 
[2325.447603][T20272] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2325.447952][T20272] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2325.448259][T20272] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.448550][T20272] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2325.448834][T20272] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2325.449196][T20272] RIP: 0033:0x7f75302ba1e7
[ 2325.449488][T20272] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 2325.450516][T20272] RSP: 002b:00007ffda8e0e8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2325.450945][T20272] RAX: ffffffffffffffda RBX: 00007ffda8e0f000 RCX: 00007f75302ba1e7
[ 2325.451381][T20272] RDX: 0000000000000000 RSI: 00007ffda8e0e930 RDI: 0000000000000005
[ 2325.451804][T20272] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2325.452233][T20272] R10: 00007f75301b7498 R11: 0000000000000246 R12: 0000000000000003
[ 2325.452657][T20272] R13: 00000000686e1246 R14: 0000000000499600 R15: 0000000000000000
| [ 2325.597480][T20273] ------------[ cut here ]------------
| [2325.597885][T20273] WARNING: CPU: 1 PID: 20273 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [ 2325.598459][T20273] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2325.600906][T20273] Tainted: [W]=WARN
[ 2325.601121][T20273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2325.602659][T20273] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 2325.602960][T20273] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 2325.603972][T20273] RSP: 0018:ffffc90001177140 EFLAGS: 00010246
[ 2325.604357][T20273] RAX: 0000000000000000 RBX: ffff88800c271000 RCX: 0000000000000001
[ 2325.604787][T20273] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2325.605218][T20273] RBP: ffffc90001177230 R08: ffff888013cde800 R09: 0000000000000000
[ 2325.605635][T20273] R10: ffffc900011775c8 R11: ffffffffa7a59728 R12: 1ffff9200022ee2c
[ 2325.606061][T20273] R13: 0000000000002639 R14: ffffc90001177880 R15: ffff88800eb9ea60
[ 2325.606519][T20273] FS:  00007f5414af8800(0000) GS:ffff88808d527000(0000) knlGS:0000000000000000
[ 2325.607010][T20273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2325.607386][T20273] CR2: 00000000004e5aa0 CR3: 000000000fc74001 CR4: 0000000000772ef0
[ 2325.607809][T20273] PKRU: 55555554
[ 2325.608024][T20273] Call Trace:
[ 2325.608258][T20273]  <TASK>
[2325.608403][T20273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.608693][T20273] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2325.608973][T20273] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.609270][T20273] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2325.609550][T20273] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2325.609833][T20273] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2325.610129][T20273] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2325.610432][T20273] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2325.610790][T20273] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2325.611073][T20273] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2325.611392][T20273] ? __kernel_text_address (kernel/extable.c:79) 
[2325.611680][T20273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.611968][T20273] ? __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) 
[2325.612286][T20273] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2325.612632][T20273] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.612914][T20273] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.613202][T20273] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2325.613480][T20273] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2325.613765][T20273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.614046][T20273] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2325.614345][T20273] ? __create_object (mm/kmemleak.c:771) 
[2325.614627][T20273] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2325.614918][T20273] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2325.615214][T20273] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2325.615565][T20273] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2325.615853][T20273] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2325.616137][T20273] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.616444][T20273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.616749][T20273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.617029][T20273] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2325.617314][T20273] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.617596][T20273] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.617876][T20273] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2325.618177][T20273] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.618463][T20273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.618749][T20273] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2325.619050][T20273] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.619341][T20273] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2325.619634][T20273] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2325.619913][T20273] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[2325.620216][T20273] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2325.620508][T20273] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2325.620802][T20273] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2325.621084][T20273] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2325.621373][T20273] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2325.621656][T20273] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2325.621943][T20273] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2325.622231][T20273] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2325.622513][T20273] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2325.622874][T20273] ___sys_sendmsg (net/socket.c:2670) 
[2325.623196][T20273] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2325.623480][T20273] ? __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) 
[2325.623830][T20273] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2325.624113][T20273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.624421][T20273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.624712][T20273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.625002][T20273] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2325.625304][T20273] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.625594][T20273] __sys_sendmsg (net/socket.c:2700) 
[2325.625872][T20273] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2325.626228][T20273] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2325.626522][T20273] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.626804][T20273] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2325.627086][T20273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2325.627455][T20273] RIP: 0033:0x7f5414cc51e7
[ 2325.627750][T20273] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 2325.628792][T20273] RSP: 002b:00007fff69466e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2325.629232][T20273] RAX: ffffffffffffffda RBX: 00007fff694675b0 RCX: 00007f5414cc51e7
[ 2325.629660][T20273] RDX: 0000000000000000 RSI: 00007fff69466ee0 RDI: 0000000000000005
[ 2325.630075][T20273] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2325.630505][T20273] R10: 00007f5414bc2498 R11: 0000000000000246 R12: 0000000000000003
[ 2325.630922][T20273] R13: 00000000686e1246 R14: 0000000000499600 R15: 0000000000000000
| [ 2325.837841][T20274] ------------[ cut here ]------------
| [2325.838266][T20274] WARNING: CPU: 1 PID: 20274 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [ 2325.838846][T20274] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2325.841188][T20274] Tainted: [W]=WARN
[ 2325.841400][T20274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2325.841754][T20274] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 2325.842045][T20274] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 2325.843069][T20274] RSP: 0018:ffffc900007c7140 EFLAGS: 00010246
[ 2325.843433][T20274] RAX: 0000000000000000 RBX: ffff8880116d9000 RCX: 0000000000000001
[ 2325.843851][T20274] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2325.844300][T20274] RBP: ffffc900007c7230 R08: ffff88800509d000 R09: 0000000000000000
[ 2325.844729][T20274] R10: ffffc900007c75c8 R11: ffffffffa7a59728 R12: 1ffff920000f8e2c
[ 2325.846060][T20274] R13: 0000000000006181 R14: ffffc900007c7880 R15: ffff88800eb9dc60
[ 2325.846492][T20274] FS:  00007f4aa3f1e800(0000) GS:ffff88808d527000(0000) knlGS:0000000000000000
[ 2325.846981][T20274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2325.847351][T20274] CR2: 00000000004e59f0 CR3: 000000000c2e4002 CR4: 0000000000772ef0
[ 2325.847770][T20274] PKRU: 55555554
[ 2325.847978][T20274] Call Trace:
[ 2325.848209][T20274]  <TASK>
[2325.848353][T20274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.848637][T20274] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2325.848915][T20274] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.849214][T20274] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2325.849494][T20274] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[2325.849774][T20274] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[2325.850057][T20274] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[2325.850358][T20274] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2325.850714][T20274] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2325.851003][T20274] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2325.851294][T20274] ? __kernel_text_address (kernel/extable.c:79) 
[2325.851579][T20274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.851866][T20274] ? __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) 
[2325.852176][T20274] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2325.852548][T20274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.852835][T20274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.853115][T20274] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2325.853415][T20274] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2325.853701][T20274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.853985][T20274] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2325.854279][T20274] ? __create_object (mm/kmemleak.c:771) 
[2325.854566][T20274] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2325.854865][T20274] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2325.855206][T20274] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2325.855572][T20274] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2325.855858][T20274] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2325.856144][T20274] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.856462][T20274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.856757][T20274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.857041][T20274] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2325.857337][T20274] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.857620][T20274] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2325.857913][T20274] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2325.858206][T20274] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.858599][T20274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.858888][T20274] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2325.859183][T20274] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2325.859467][T20274] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2325.859760][T20274] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2325.860052][T20274] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[2325.860365][T20274] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2325.860661][T20274] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2325.860949][T20274] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2325.861245][T20274] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2325.861530][T20274] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2325.861812][T20274] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2325.862102][T20274] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2325.862397][T20274] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2325.862679][T20274] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2325.863048][T20274] ___sys_sendmsg (net/socket.c:2670) 
[2325.863341][T20274] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2325.863626][T20274] ? __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) 
[2325.863980][T20274] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2325.864296][T20274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.864583][T20274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2325.864884][T20274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2325.865176][T20274] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2325.865457][T20274] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2325.865742][T20274] __sys_sendmsg (net/socket.c:2700) 
[2325.866028][T20274] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2325.866386][T20274] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2325.866686][T20274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2325.866965][T20274] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2325.867256][T20274] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2325.867605][T20274] RIP: 0033:0x7f4aa40eb1e7
[ 2325.867898][T20274] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 2325.868940][T20274] RSP: 002b:00007ffe735fe218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2325.869392][T20274] RAX: ffffffffffffffda RBX: 00007ffe735fe950 RCX: 00007f4aa40eb1e7
[ 2325.869813][T20274] RDX: 0000000000000000 RSI: 00007ffe735fe280 RDI: 0000000000000005
[ 2325.870239][T20274] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 2325.870670][T20274] R10: 00007f4aa3fe8498 R11: 0000000000000246 R12: 0000000000000003
[ 2325.871085][T20274] R13: 00000000686e1246 R14: 0000000000499600 R15: 0000000000000000
| [ 2352.344251][T20472] ------------[ cut here ]------------
| [2352.344813][T20472] WARNING: CPU: 1 PID: 20472 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) 
| [ 2352.345936][T20472] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2352.352435][T20472] Tainted: [W]=WARN
[ 2352.352862][T20472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2352.353603][T20472] 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) 
[ 2352.354200][T20472] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2352.356260][T20472] RSP: 0018:ffffc90001456ef0 EFLAGS: 00010246
[ 2352.356986][T20472] RAX: 0000000000000000 RBX: ffff888013cd2000 RCX: 0000000000000001
[ 2352.357884][T20472] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2352.358732][T20472] RBP: ffffc90001456fe0 R08: 0000000000000000 R09: 0000000000000000
[ 2352.359593][T20472] R10: ffffc90001457010 R11: ffffffffa71798a0 R12: 1ffff9200028ade2
[ 2352.360457][T20472] R13: 0000000000005b5b R14: ffffc90001457010 R15: ffff888013cd2f08
[ 2352.361332][T20472] FS:  00007fe6cabc5800(0000) GS:ffff88808d527000(0000) knlGS:0000000000000000
[ 2352.362318][T20472] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2352.363001][T20472] CR2: 00000000004e5aa0 CR3: 000000000ccb4002 CR4: 0000000000772ef0
[ 2352.363843][T20472] PKRU: 55555554
[ 2352.364276][T20472] Call Trace:
[ 2352.364696][T20472]  <TASK>
[2352.364989][T20472] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2352.365576][T20472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2352.366143][T20472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2352.366724][T20472] netif_set_mtu (net/core/dev.c:9652) 
[2352.367300][T20472] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2352.367879][T20472] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2352.368298][T20472] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[2352.369049][T20472] br_add_if (net/bridge/br_if.c:697) bridge 
[2352.369733][T20472] do_set_master (net/core/rtnetlink.c:2948) 
[2352.370317][T20472] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[2352.370894][T20472] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2352.371609][T20472] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2352.372174][T20472] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2352.372723][T20472] ? __kernel_text_address (kernel/extable.c:79) 
[2352.373330][T20472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2352.373904][T20472] ? __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) 
[2352.374466][T20472] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2352.375207][T20472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2352.375764][T20472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2352.376342][T20472] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2352.376922][T20472] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2352.377524][T20472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2352.378094][T20472] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2352.378666][T20472] ? __create_object (mm/kmemleak.c:771) 
[2352.379231][T20472] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2352.379807][T20472] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2352.380381][T20472] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2352.381065][T20472] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2352.381672][T20472] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2352.382277][T20472] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2352.382851][T20472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2352.383418][T20472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2352.383978][T20472] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2352.384548][T20472] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2352.385124][T20472] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2352.385704][T20472] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2352.386272][T20472] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2352.386822][T20472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2352.387414][T20472] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2352.387966][T20472] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2352.388543][T20472] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2352.389119][T20472] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2352.389717][T20472] ? 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) 
[2352.390305][T20472] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2352.390879][T20472] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2352.391479][T20472] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2352.392039][T20472] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2352.392615][T20472] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2352.393233][T20472] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2352.393796][T20472] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2352.394376][T20472] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2352.394956][T20472] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2352.395712][T20472] ___sys_sendmsg (net/socket.c:2670) 
[2352.396298][T20472] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2352.396872][T20472] ? __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) 
[2352.397609][T20472] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2352.398207][T20472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2352.398780][T20472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2352.399358][T20472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2352.399921][T20472] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2352.400497][T20472] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2352.401082][T20472] __sys_sendmsg (net/socket.c:2700) 
[2352.401689][T20472] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2352.402400][T20472] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2352.402834][T20472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2352.403425][T20472] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2352.404004][T20472] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2352.404725][T20472] RIP: 0033:0x7fe6cad921e7
[ 2352.405356][T20472] 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)
[ 2352.407430][T20472] RSP: 002b:00007fff3dbf4b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2352.408303][T20472] RAX: ffffffffffffffda RBX: 00007fff3dbf52a0 RCX: 00007fe6cad921e7
[ 2352.409214][T20472] RDX: 0000000000000000 RSI: 00007fff3dbf4bd0 RDI: 0000000000000005
[ 2352.410007][T20472] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 2352.410771][T20472] R10: 0000000003441910 R11: 0000000000000246 R12: 0000000000000003
[ 2352.411601][T20472] R13: 00000000686e1261 R14: 0000000000499600 R15: 0000000000000000
| [ 2357.832610][T20520] ------------[ cut here ]------------
| [2357.832957][T20520] WARNING: CPU: 0 PID: 20520 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [ 2357.833606][T20520] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2357.836318][T20520] Tainted: [W]=WARN
[ 2357.836555][T20520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2357.836946][T20520] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 2357.837276][T20520] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[ 2357.838411][T20520] RSP: 0018:ffffc90001776f70 EFLAGS: 00010246
[ 2357.838806][T20520] RAX: 0000000000000000 RBX: ffff888013cd2000 RCX: 0000000000000001
[ 2357.839294][T20520] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2357.839764][T20520] RBP: ffffc90001777058 R08: 0000000000000000 R09: 0000000000000000
[ 2357.840235][T20520] R10: ffffc90001777088 R11: ffffffffa71798a0 R12: 1ffff920002eedf2
[ 2357.840701][T20520] R13: 00000000000005dc R14: ffffc90001777088 R15: ffff888013cd2f08
[ 2357.841177][T20520] FS:  00007f60b9217800(0000) GS:ffff88808d4a7000(0000) knlGS:0000000000000000
[ 2357.841729][T20520] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2357.842119][T20520] CR2: 00000000004e5aa0 CR3: 000000000edfa005 CR4: 0000000000772ef0
[ 2357.842598][T20520] PKRU: 55555554
[ 2357.842836][T20520] Call Trace:
[ 2357.843070][T20520]  <TASK>
[2357.843247][T20520] ? __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) 
[2357.843668][T20520] ? br_del_if (net/bridge/br_if.c:742) bridge 
[2357.844061][T20520] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[2357.844388][T20520] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[2357.844699][T20520] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2357.845016][T20520] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2357.845335][T20520] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2357.845649][T20520] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2357.845958][T20520] ? ___sys_sendmsg (net/socket.c:2670) 
[2357.846275][T20520] ? __sys_sendmsg (net/socket.c:2700) 
[2357.846591][T20520] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2357.846903][T20520] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[2357.847310][T20520] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2357.847644][T20520] netif_set_mtu (net/core/dev.c:9652) 
[2357.847956][T20520] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2357.848289][T20520] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2357.848526][T20520] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[2357.848967][T20520] br_del_if (net/bridge/br_if.c:743) bridge 
[2357.849322][T20520] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[2357.849648][T20520] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[2357.849964][T20520] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[2357.850288][T20520] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2357.850682][T20520] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2357.850992][T20520] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2357.851327][T20520] ? __kernel_text_address (kernel/extable.c:79) 
[2357.851651][T20520] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2357.851965][T20520] ? __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) 
[2357.852283][T20520] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2357.852669][T20520] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2357.852980][T20520] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2357.853302][T20520] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2357.853610][T20520] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2357.853934][T20520] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2357.854252][T20520] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2357.854559][T20520] ? __create_object (mm/kmemleak.c:771) 
[2357.854881][T20520] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2357.855213][T20520] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2357.855524][T20520] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2357.855909][T20520] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2357.856241][T20520] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2357.856597][T20520] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2357.856908][T20520] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2357.857241][T20520] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2357.857552][T20520] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2357.857859][T20520] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2357.858184][T20520] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2357.858498][T20520] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2357.858819][T20520] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2357.859134][T20520] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2357.859471][T20520] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2357.859786][T20520] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2357.860100][T20520] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2357.860431][T20520] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2357.860744][T20520] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[2357.861064][T20520] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2357.861387][T20520] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2357.861706][T20520] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2357.862023][T20520] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2357.862343][T20520] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2357.862658][T20520] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2357.862977][T20520] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2357.863309][T20520] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2357.863635][T20520] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2357.864034][T20520] ___sys_sendmsg (net/socket.c:2670) 
[2357.864348][T20520] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2357.864657][T20520] ? __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) 
[2357.865052][T20520] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2357.865374][T20520] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2357.865693][T20520] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2357.866008][T20520] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2357.866327][T20520] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2357.866636][T20520] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2357.866953][T20520] __sys_sendmsg (net/socket.c:2700) 
[2357.867287][T20520] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2357.867709][T20520] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2357.868042][T20520] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2357.868377][T20520] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2357.868693][T20520] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2357.869077][T20520] RIP: 0033:0x7f60b93e41e7
[ 2357.869408][T20520] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 2357.870537][T20520] RSP: 002b:00007ffe505be708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2357.871005][T20520] RAX: ffffffffffffffda RBX: 00007ffe505bee40 RCX: 00007f60b93e41e7
[ 2357.871497][T20520] RDX: 0000000000000000 RSI: 00007ffe505be770 RDI: 0000000000000005
[ 2357.871961][T20520] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 2357.872440][T20520] R10: 00007f60b92e1498 R11: 0000000000000246 R12: 0000000000000002
[ 2357.872902][T20520] R13: 00000000686e1266 R14: 0000000000499600 R15: 0000000000000000
| [ 2358.644870][T20525] ------------[ cut here ]------------
| [2358.645248][T20525] WARNING: CPU: 2 PID: 20525 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [ 2358.645888][T20525] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2358.649892][T20525] Tainted: [W]=WARN
[ 2358.650140][T20525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2358.650567][T20525] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 2358.650910][T20525] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2358.652051][T20525] RSP: 0018:ffffc90001886ef0 EFLAGS: 00010246
[ 2358.652480][T20525] RAX: 0000000000000000 RBX: ffff888013cd2000 RCX: 0000000000000001
[ 2358.652959][T20525] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2358.653446][T20525] RBP: ffffc90001886fe0 R08: 0000000000000000 R09: 0000000000000000
[ 2358.653925][T20525] R10: ffffc90001887010 R11: ffffffffa71798a0 R12: 1ffff92000310de2
[ 2358.654438][T20525] R13: 0000000000005b5b R14: ffffc90001887010 R15: ffff888013cd2f08
[ 2358.654938][T20525] FS:  00007f06d2fea800(0000) GS:ffff88808d5a7000(0000) knlGS:0000000000000000
[ 2358.655504][T20525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2358.655906][T20525] CR2: 00000000004e6888 CR3: 0000000004f70004 CR4: 0000000000772ef0
[ 2358.656407][T20525] PKRU: 55555554
[ 2358.656653][T20525] Call Trace:
[ 2358.656898][T20525]  <TASK>
[2358.657074][T20525] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2358.657420][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2358.657755][T20525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2358.658083][T20525] netif_set_mtu (net/core/dev.c:9652) 
[2358.658437][T20525] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2358.658790][T20525] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2358.659042][T20525] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[2358.659505][T20525] br_add_if (net/bridge/br_if.c:697) bridge 
[2358.659877][T20525] do_set_master (net/core/rtnetlink.c:2948) 
[2358.660220][T20525] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[2358.660557][T20525] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[2358.660961][T20525] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[2358.661302][T20525] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[2358.661626][T20525] ? __kernel_text_address (kernel/extable.c:79) 
[2358.661957][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2358.662312][T20525] ? __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) 
[2358.662644][T20525] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[2358.663042][T20525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2358.663380][T20525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2358.663711][T20525] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[2358.664031][T20525] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[2358.664367][T20525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2358.664688][T20525] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2358.665027][T20525] ? __create_object (mm/kmemleak.c:771) 
[2358.665364][T20525] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[2358.665688][T20525] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[2358.666010][T20525] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[2358.666440][T20525] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[2358.666772][T20525] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2358.667102][T20525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2358.667437][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2358.667768][T20525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2358.668093][T20525] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2358.668420][T20525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2358.668754][T20525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2358.669074][T20525] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2358.669420][T20525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2358.669747][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2358.670074][T20525] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2358.670424][T20525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2358.670751][T20525] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2358.671088][T20525] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2358.671428][T20525] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[2358.671754][T20525] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2358.672081][T20525] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2358.672427][T20525] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2358.672753][T20525] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2358.673077][T20525] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2358.673412][T20525] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2358.673754][T20525] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2358.674078][T20525] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2358.674428][T20525] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2358.674865][T20525] ___sys_sendmsg (net/socket.c:2670) 
[2358.675197][T20525] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2358.675520][T20525] ? __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) 
[2358.675921][T20525] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2358.676272][T20525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2358.676598][T20525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2358.676927][T20525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2358.677261][T20525] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2358.677585][T20525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2358.677918][T20525] __sys_sendmsg (net/socket.c:2700) 
[2358.678262][T20525] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2358.678670][T20525] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2358.679006][T20525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2358.679343][T20525] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2358.679670][T20525] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2358.680067][T20525] RIP: 0033:0x7f06d31b71e7
[ 2358.680414][T20525] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 2358.681556][T20525] RSP: 002b:00007ffd47a218b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2358.682037][T20525] RAX: ffffffffffffffda RBX: 00007ffd47a21ff0 RCX: 00007f06d31b71e7
[ 2358.682539][T20525] RDX: 0000000000000000 RSI: 00007ffd47a21920 RDI: 0000000000000005
[ 2358.683024][T20525] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 2358.683503][T20525] R10: 00000000150db910 R11: 0000000000000246 R12: 0000000000000003
[ 2358.683978][T20525] R13: 00000000686e1267 R14: 0000000000499600 R15: 0000000000000000
| [ 2364.505129][T20578] ------------[ cut here ]------------
| [2364.505506][T20578] WARNING: CPU: 3 PID: 20578 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) 
| [ 2364.506173][T20578] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table dummy nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables
| [ 2364.508823][T20578] Tainted: [W]=WARN
[ 2364.509069][T20578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2364.509486][T20578] 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) 
[ 2364.509821][T20578] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[ 2364.510997][T20578] RSP: 0018:ffffc90001a06e80 EFLAGS: 00010246
[ 2364.511420][T20578] RAX: 0000000000000000 RBX: ffff888013cd2000 RCX: 0000000000000001
[ 2364.511910][T20578] RDX: 0000000000000000 RSI: ffffffffa6c9f52e RDI: ffffffffa645a5a0
[ 2364.512421][T20578] RBP: ffffc90001a06f68 R08: 0000000000000000 R09: 0000000000000000
[ 2364.512910][T20578] R10: ffffc90001a06f98 R11: ffffffffa71798a0 R12: 1ffff92000340dd4
[ 2364.513407][T20578] R13: 00000000000005dc R14: ffffc90001a06f98 R15: ffff888013cd2f08
[ 2364.513892][T20578] FS:  00007f0439c56800(0000) GS:ffff88808d627000(0000) knlGS:0000000000000000
[ 2364.514474][T20578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2364.514899][T20578] CR2: 00000000004a1738 CR3: 000000000a64c003 CR4: 0000000000772ef0
[ 2364.515403][T20578] PKRU: 55555554
[ 2364.515652][T20578] Call Trace:
[ 2364.515897][T20578]  <TASK>
[2364.516063][T20578] ? __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) 
[2364.516486][T20578] ? br_del_if (net/bridge/br_if.c:742) bridge 
[2364.516869][T20578] ? br_device_event (net/bridge/br.c:141) bridge 
[2364.517238][T20578] ? notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[2364.517569][T20578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2364.517894][T20578] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2364.518234][T20578] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2364.518559][T20578] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2364.518879][T20578] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2364.519231][T20578] ? ___sys_sendmsg (net/socket.c:2670) 
[2364.519567][T20578] ? __sys_sendmsg (net/socket.c:2700) 
[2364.519884][T20578] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2364.520224][T20578] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[2364.520637][T20578] netif_set_mtu (net/core/dev.c:9652) 
[2364.520962][T20578] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2364.521316][T20578] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2364.521563][T20578] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[2364.522022][T20578] br_del_if (net/bridge/br_if.c:743) bridge 
[2364.522437][T20578] br_device_event (net/bridge/br.c:141) bridge 
[2364.522803][T20578] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[2364.523255][T20578] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[2364.523703][T20578] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[2364.524034][T20578] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[2364.524465][T20578] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[2364.524884][T20578] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[2364.525230][T20578] rtnl_dellink (net/core/rtnetlink.c:3515 net/core/rtnetlink.c:3555) 
[2364.525561][T20578] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[2364.525935][T20578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2364.526279][T20578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2364.526617][T20578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2364.526951][T20578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2364.527281][T20578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2364.527615][T20578] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[2364.527934][T20578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2364.528271][T20578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2364.528598][T20578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2364.528925][T20578] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2364.529260][T20578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2364.529595][T20578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2364.529931][T20578] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2364.530272][T20578] ? 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) 
[2364.530599][T20578] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2364.530923][T20578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2364.531267][T20578] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2364.531592][T20578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2364.531921][T20578] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2364.532261][T20578] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[2364.532590][T20578] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2364.532919][T20578] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2364.533278][T20578] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2364.533682][T20578] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[2364.534011][T20578] ___sys_sendmsg (net/socket.c:2670) 
[2364.534359][T20578] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2364.534683][T20578] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[2364.535015][T20578] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2364.535345][T20578] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[2364.535675][T20578] ? __handle_mm_fault (mm/memory.c:6212) 
[2364.535999][T20578] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[2364.536341][T20578] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[2364.536683][T20578] __sys_sendmsg (net/socket.c:2700) 
[2364.537009][T20578] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2364.537351][T20578] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[2364.537680][T20578] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[2364.538005][T20578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2364.538345][T20578] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2364.538674][T20578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2364.539087][T20578] RIP: 0033:0x7f0439e231e7
[ 2364.539438][T20578] 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)
[ 2364.540601][T20578] RSP: 002b:00007ffdac0d7b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2364.541100][T20578] RAX: ffffffffffffffda RBX: 00007ffdac0d8250 RCX: 00007f0439e231e7
[ 2364.541601][T20578] RDX: 0000000000000000 RSI: 00007ffdac0d7b80 RDI: 0000000000000005
[ 2364.542085][T20578] RBP: 0000000000000000 R08: 000000000000002c R09: 0000000000404130
[ 2364.542596][T20578] R10: 0000000000404130 R11: 0000000000000246 R12: 00007ffdac0d8268


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