======================================
| 0
| xx__-> [   14.753352][  T264] ------------[ cut here ]------------
| [ 14.754172][ T264] WARNING: CPU: 1 PID: 264 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) 
| [   14.754743][  T264] Modules linked in:
[   14.755496][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.755853][ T264] 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) 
[ 14.756143][ T264] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   14.757145][  T264] RSP: 0018:ffffc90000bf7140 EFLAGS: 00010246
[   14.757499][  T264] RAX: 0000000000000000 RBX: ffff88800b44c000 RCX: 0000000000000001
[   14.757923][  T264] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   14.758355][  T264] RBP: ffffc90000bf7228 R08: 0000000000000001 R09: fffff5200017edde
[   14.758775][  T264] R10: ffffc90000bf6ef7 R11: ffff88806ceb9118 R12: 1ffff9200017ee2c
[   14.759193][  T264] R13: 000000000000ffff R14: ffffc90000bf7880 R15: ffff88800b39f868
[   14.759625][  T264] FS:  00007efc35537800(0000) GS:ffff8880e3419000(0000) knlGS:0000000000000000
[   14.760112][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.760461][  T264] CR2: 00000000004e6820 CR3: 00000000028b6005 CR4: 0000000000772ef0
[   14.761012][  T264] PKRU: 55555554
[   14.761224][  T264] Call Trace:
[   14.761438][  T264]  <TASK>
[ 14.761582][ T264] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.762000][ T264] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 14.762280][ T264] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 14.762560][ T264] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 14.762869][ T264] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 14.763146][ T264] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 14.763533][ T264] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 14.763835][ T264] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 14.764190][ T264] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 14.764470][ T264] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 14.764758][ T264] ? __kernel_text_address (kernel/extable.c:79) 
[ 14.765038][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.765316][ T264] ? __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) 
[ 14.765598][ T264] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 14.765949][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.766228][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.766500][ T264] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 14.766787][ T264] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 14.767073][ T264] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.767349][ T264] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 14.767629][ T264] ? __create_object (mm/kmemleak.c:771) 
[ 14.768001][ T264] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 14.768282][ T264] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 14.768562][ T264] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.768910][ T264] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 14.769200][ T264] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 14.769488][ T264] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 14.769772][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.770061][ T264] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.770343][ T264] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 14.770635][ T264] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 14.770918][ T264] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 14.771199][ T264] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 14.771482][ T264] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 14.771778][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.772059][ T264] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 14.772335][ T264] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 14.772620][ T264] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 14.772910][ T264] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 14.773183][ T264] ? 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) 
[ 14.773468][ T264] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 14.773758][ T264] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 14.774031][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.774310][ T264] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 14.774590][ T264] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 14.774877][ T264] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 14.775160][ T264] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 14.775438][ T264] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 14.775724][ T264] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 14.776084][ T264] ___sys_sendmsg (net/socket.c:2670) 
[ 14.776360][ T264] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 14.776639][ T264] ? __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) 
[ 14.776985][ T264] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 14.777265][ T264] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.777548][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.777841][ T264] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.778118][ T264] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 14.778396][ T264] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 14.778687][ T264] __sys_sendmsg (net/socket.c:2700) 
[ 14.778961][ T264] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 14.779304][ T264] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 14.779593][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.779884][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 14.780164][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   14.780507][  T264] RIP: 0033:0x7efc357041e7
[ 14.780804][ T264] 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)
[   14.781801][  T264] RSP: 002b:00007ffdb591ddc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   14.782246][  T264] RAX: ffffffffffffffda RBX: 00007ffdb591e4f0 RCX: 00007efc357041e7
[   14.782673][  T264] RDX: 0000000000000000 RSI: 00007ffdb591de30 RDI: 0000000000000005
[   14.783101][  T264] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   14.783529][  T264] R10: 00007efc35601ee8 R11: 0000000000000246 R12: 0000000000000006
[   14.783964][  T264] R13: 00000000686e2c2c R14: 0000000000499600 R15: 0000000000000000
| [   15.387498][  T274] ------------[ cut here ]------------
| [ 15.387892][ T274] WARNING: CPU: 3 PID: 274 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) 
| [   15.388438][  T274] Modules linked in:
| [   15.389223][  T274] Tainted: [W]=WARN
[   15.389433][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.389788][ T274] 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) 
[ 15.390076][ T274] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   15.391293][  T274] RSP: 0018:ffffc90000c97140 EFLAGS: 00010246
[   15.391650][  T274] RAX: 0000000000000000 RBX: ffff888009814000 RCX: 0000000000000001
[   15.392061][  T274] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   15.392471][  T274] RBP: ffffc90000c97228 R08: 0000000000000001 R09: fffff52000192dde
[   15.392893][  T274] R10: ffffc90000c96ef7 R11: ffff88806cfb9118 R12: 1ffff92000192e2c
[   15.393306][  T274] R13: 000000000000ffff R14: ffffc90000c97880 R15: ffff888005fb4e68
[   15.393729][  T274] FS:  00007fcf01472800(0000) GS:ffff8880e3519000(0000) knlGS:0000000000000000
[   15.394206][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.394559][  T274] CR2: 00000000004e7380 CR3: 000000000b4a1001 CR4: 0000000000772ef0
[   15.394983][  T274] PKRU: 55555554
[   15.395192][  T274] Call Trace:
[   15.395399][  T274]  <TASK>
[ 15.395540][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.395832][ T274] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 15.396103][ T274] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.396377][ T274] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 15.396666][ T274] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 15.396941][ T274] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 15.397218][ T274] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 15.397496][ T274] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 15.397849][ T274] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 15.398122][ T274] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 15.398395][ T274] ? __kernel_text_address (kernel/extable.c:79) 
[ 15.398680][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.398956][ T274] ? __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) 
[ 15.399229][ T274] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 15.399568][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.399850][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.400121][ T274] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 15.400397][ T274] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 15.400692][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.400965][ T274] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 15.401233][ T274] ? __create_object (mm/kmemleak.c:771) 
[ 15.401508][ T274] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 15.401789][ T274] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 15.402072][ T274] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.402410][ T274] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 15.402703][ T274] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 15.402982][ T274] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 15.403254][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.403539][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.403820][ T274] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 15.404090][ T274] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.404365][ T274] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 15.404644][ T274] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 15.404925][ T274] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 15.405202][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.405480][ T274] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 15.405761][ T274] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 15.406037][ T274] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 15.406321][ T274] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 15.406594][ T274] ? 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) 
[ 15.406881][ T274] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 15.407158][ T274] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 15.407429][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.407713][ T274] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 15.407994][ T274] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 15.408268][ T274] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 15.408549][ T274] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 15.408836][ T274] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 15.409108][ T274] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 15.409465][ T274] ___sys_sendmsg (net/socket.c:2670) 
[ 15.409742][ T274] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 15.410015][ T274] ? __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) 
[ 15.410356][ T274] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 15.410646][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.410925][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.411203][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.411475][ T274] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 15.411755][ T274] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.412039][ T274] __sys_sendmsg (net/socket.c:2700) 
[ 15.412309][ T274] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 15.412654][ T274] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 15.412945][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.413219][ T274] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.413497][ T274] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.413840][  T274] RIP: 0033:0x7fcf0163f1e7
[ 15.414122][ T274] 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)
[   15.415108][  T274] RSP: 002b:00007ffc6ee5b798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   15.415518][  T274] RAX: ffffffffffffffda RBX: 00007ffc6ee5bec0 RCX: 00007fcf0163f1e7
[   15.415939][  T274] RDX: 0000000000000000 RSI: 00007ffc6ee5b800 RDI: 0000000000000005
[   15.416347][  T274] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   15.416766][  T274] R10: 00007fcf0153cee8 R11: 0000000000000246 R12: 0000000000000006
[   15.417174][  T274] R13: 00000000686e2c2c R14: 0000000000499600 R15: 0000000000000000
| [   17.279785][  T287] ------------[ cut here ]------------
| [ 17.280229][ T287] WARNING: CPU: 2 PID: 287 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   17.280821][  T287] Modules linked in:
| [   17.281680][  T287] Tainted: [W]=WARN
[   17.281905][  T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.282260][ T287] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 17.282562][ T287] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   17.283625][  T287] RSP: 0018:ffffc90000ca7140 EFLAGS: 00010246
[   17.284001][  T287] RAX: 0000000000000000 RBX: ffff88800b529000 RCX: 0000000000000001
[   17.284434][  T287] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   17.284870][  T287] RBP: ffffc90000ca7228 R08: 0000000000000001 R09: fffff52000194dde
[   17.285297][  T287] R10: ffffc90000ca6ef7 R11: ffff88806cf39118 R12: 1ffff92000194e2c
[   17.285730][  T287] R13: 000000000000ffff R14: ffffc90000ca7880 R15: ffff8880022c3868
[   17.286180][  T287] FS:  00007fb4afb7d800(0000) GS:ffff8880e3499000(0000) knlGS:0000000000000000
[   17.286696][  T287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.287062][  T287] CR2: 00000000004e6820 CR3: 000000000ad21002 CR4: 0000000000772ef0
[   17.287490][  T287] PKRU: 55555554
[   17.287716][  T287] Call Trace:
[   17.287932][  T287]  <TASK>
[ 17.288085][ T287] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.288379][ T287] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.288677][ T287] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.288964][ T287] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.289253][ T287] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.289542][ T287] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.289844][ T287] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.290136][ T287] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.290498][ T287] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.290804][ T287] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.291109][ T287] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.291408][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.291705][ T287] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 17.291992][ T287] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.292341][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.292638][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.292921][ T287] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.293206][ T287] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.293512][ T287] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.293811][ T287] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.294096][ T287] ? __create_object (mm/kmemleak.c:771) 
[ 17.294387][ T287] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.294682][ T287] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.294974][ T287] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.295325][ T287] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.295627][ T287] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.295924][ T287] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.296212][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.296503][ T287] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.296798][ T287] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.297081][ T287] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.297369][ T287] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.297673][ T287] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.297967][ T287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.298262][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.298562][ T287] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.298866][ T287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.299162][ T287] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.299472][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.299776][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 17.300074][ T287] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 17.300374][ T287] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.300683][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.300981][ T287] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.301285][ T287] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.301582][ T287] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.301895][ T287] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.302190][ T287] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.302488][ T287] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.302874][ T287] ___sys_sendmsg (net/socket.c:2670) 
[ 17.303165][ T287] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.303467][ T287] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 17.303842][ T287] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.304140][ T287] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.304443][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.304758][ T287] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.305051][ T287] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.305346][ T287] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.305659][ T287] __sys_sendmsg (net/socket.c:2700) 
[ 17.305951][ T287] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.306318][ T287] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.306637][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.306929][ T287] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.307222][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.307572][  T287] RIP: 0033:0x7fb4afd4a1e7
[ 17.307876][ T287] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   17.308876][  T287] RSP: 002b:00007ffc7f550f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.309305][  T287] RAX: ffffffffffffffda RBX: 00007ffc7f551670 RCX: 00007fb4afd4a1e7
[   17.309762][  T287] RDX: 0000000000000000 RSI: 00007ffc7f550fb0 RDI: 0000000000000005
[   17.310183][  T287] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   17.310641][  T287] R10: 00007fb4afc47ee8 R11: 0000000000000246 R12: 0000000000000006
[   17.311086][  T287] R13: 00000000686e2c2e R14: 0000000000499600 R15: 0000000000000000
| [   17.914390][  T291] ------------[ cut here ]------------
| [ 17.914726][ T291] WARNING: CPU: 1 PID: 291 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   17.915283][  T291] Modules linked in:
| [   17.916115][  T291] Tainted: [W]=WARN
[   17.916325][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.916690][ T291] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 17.916978][ T291] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   17.918099][  T291] RSP: 0018:ffffc90000bb7140 EFLAGS: 00010246
[   17.918451][  T291] RAX: 0000000000000000 RBX: ffff88800b52c000 RCX: 0000000000000001
[   17.919002][  T291] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   17.919413][  T291] RBP: ffffc90000bb7228 R08: 0000000000000001 R09: fffff52000176dde
[   17.919920][  T291] R10: ffffc90000bb6ef7 R11: ffff88806ceb92c0 R12: 1ffff92000176e2c
[   17.920334][  T291] R13: 000000000000ffff R14: ffffc90000bb7880 R15: ffff88800bd78768
[   17.920774][  T291] FS:  00007f0a91a5a800(0000) GS:ffff8880e3419000(0000) knlGS:0000000000000000
[   17.921257][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.921621][  T291] CR2: 00000000004e7390 CR3: 000000000e7d3003 CR4: 0000000000772ef0
[   17.922042][  T291] PKRU: 55555554
[   17.922250][  T291] Call Trace:
[   17.922457][  T291]  <TASK>
[ 17.922598][ T291] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.922906][ T291] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.923186][ T291] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.923475][ T291] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.923764][ T291] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.924043][ T291] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.924320][ T291] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.924604][ T291] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.924974][ T291] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.925249][ T291] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.925529][ T291] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.925821][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.926101][ T291] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 17.926378][ T291] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.926730][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.927012][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.927286][ T291] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.927560][ T291] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.927845][ T291] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.928120][ T291] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.928390][ T291] ? __create_object (mm/kmemleak.c:771) 
[ 17.928683][ T291] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.928967][ T291] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.929245][ T291] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.929590][ T291] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.929889][ T291] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.930172][ T291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.930447][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.930740][ T291] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.931020][ T291] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.931290][ T291] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.931566][ T291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.931846][ T291] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.932122][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.932403][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.932699][ T291] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.932975][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.933249][ T291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.933542][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.933823][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 17.934107][ T291] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 17.934386][ T291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.934667][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.934946][ T291] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.935224][ T291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.935497][ T291] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.935787][ T291] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.936064][ T291] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.936339][ T291] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.936705][ T291] ___sys_sendmsg (net/socket.c:2670) 
[ 17.936974][ T291] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.937247][ T291] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 17.937587][ T291] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.937873][ T291] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.938150][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.938430][ T291] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.938709][ T291] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.938982][ T291] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.939262][ T291] __sys_sendmsg (net/socket.c:2700) 
[ 17.939535][ T291] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.939879][ T291] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.940165][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.940445][ T291] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.940737][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.941076][  T291] RIP: 0033:0x7f0a91c271e7
[ 17.941356][ T291] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   17.942341][  T291] RSP: 002b:00007ffec39eabf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.942762][  T291] RAX: ffffffffffffffda RBX: 00007ffec39eb320 RCX: 00007f0a91c271e7
[   17.943170][  T291] RDX: 0000000000000000 RSI: 00007ffec39eac60 RDI: 0000000000000005
[   17.943584][  T291] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   17.944000][  T291] R10: 00007f0a91b24ee8 R11: 0000000000000246 R12: 0000000000000006
[   17.944428][  T291] R13: 00000000686e2c2f R14: 0000000000499600 R15: 0000000000000000
| [   19.856497][  T307] ------------[ cut here ]------------
| [ 19.856895][ T307] WARNING: CPU: 1 PID: 307 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.857449][  T307] Modules linked in:
| [   19.858234][  T307] Tainted: [W]=WARN
[   19.858446][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.858819][ T307] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.859107][ T307] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.860102][  T307] RSP: 0018:ffffc90000d97140 EFLAGS: 00010246
[   19.860451][  T307] RAX: 0000000000000000 RBX: ffff88800a8dc000 RCX: 0000000000000001
[   19.860871][  T307] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   19.861288][  T307] RBP: ffffc90000d97228 R08: 0000000000000001 R09: fffff520001b2dde
[   19.861706][  T307] R10: ffffc90000d96ef7 R11: ffff88806ceb9118 R12: 1ffff920001b2e2c
[   19.862123][  T307] R13: 000000000000ffff R14: ffffc90000d97880 R15: ffff88800d503be8
[   19.862535][  T307] FS:  00007f9305e95800(0000) GS:ffff8880e3419000(0000) knlGS:0000000000000000
[   19.863038][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.863403][  T307] CR2: 00000000004e6820 CR3: 000000000d63c005 CR4: 0000000000772ef0
[   19.863855][  T307] PKRU: 55555554
[   19.864063][  T307] Call Trace:
[   19.864270][  T307]  <TASK>
[ 19.864409][ T307] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.864702][ T307] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.864974][ T307] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.865254][ T307] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.865528][ T307] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.865814][ T307] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.866094][ T307] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.866374][ T307] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.866738][ T307] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.867019][ T307] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.867290][ T307] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.867568][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.867858][ T307] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 19.868133][ T307] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.868470][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.868758][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.869030][ T307] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.869309][ T307] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.869586][ T307] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.869867][ T307] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.870137][ T307] ? __create_object (mm/kmemleak.c:771) 
[ 19.870410][ T307] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.870703][ T307] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.870981][ T307] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.871324][ T307] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.871615][ T307] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.871894][ T307] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.872165][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.872444][ T307] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.872726][ T307] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.872999][ T307] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.873272][ T307] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.873559][ T307] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.873843][ T307] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.874118][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.874396][ T307] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.874687][ T307] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.874965][ T307] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.875249][ T307] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.875525][ T307] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.875810][ T307] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.876086][ T307] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.876359][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.876643][ T307] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.876920][ T307] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.877195][ T307] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.877479][ T307] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.877770][ T307] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.878042][ T307] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.878394][ T307] ___sys_sendmsg (net/socket.c:2670) 
[ 19.878683][ T307] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.878961][ T307] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 19.879303][ T307] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.879583][ T307] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.879869][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.880150][ T307] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.880425][ T307] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.880706][ T307] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.880987][ T307] __sys_sendmsg (net/socket.c:2700) 
[ 19.881258][ T307] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.881597][ T307] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.881895][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.882174][ T307] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.882451][ T307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.882805][  T307] RIP: 0033:0x7f93060621e7
[ 19.883089][ T307] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   19.884085][  T307] RSP: 002b:00007ffeb8ea95c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.884498][  T307] RAX: ffffffffffffffda RBX: 00007ffeb8ea9cf0 RCX: 00007f93060621e7
[   19.884915][  T307] RDX: 0000000000000000 RSI: 00007ffeb8ea9630 RDI: 0000000000000005
[   19.885325][  T307] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   19.885745][  T307] R10: 00007f9305f5fee8 R11: 0000000000000246 R12: 0000000000000006
[   19.886155][  T307] R13: 00000000686e2c31 R14: 0000000000499600 R15: 0000000000000000
| [   20.481521][  T312] ------------[ cut here ]------------
| [ 20.481865][ T312] WARNING: CPU: 1 PID: 312 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) 
| [   20.482417][  T312] Modules linked in:
| [   20.483200][  T312] Tainted: [W]=WARN
[   20.483415][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.483783][ T312] 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) 
[ 20.484069][ T312] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.485081][  T312] RSP: 0018:ffffc90000da7140 EFLAGS: 00010246
[   20.485435][  T312] RAX: 0000000000000000 RBX: ffff88800cfa1000 RCX: 0000000000000001
[   20.485979][  T312] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   20.486392][  T312] RBP: ffffc90000da7228 R08: 0000000000000001 R09: fffff520001b4dde
[   20.486822][  T312] R10: ffffc90000da6ef7 R11: ffff88806ceb9118 R12: 1ffff920001b4e2c
[   20.487237][  T312] R13: 000000000000ffff R14: ffffc90000da7880 R15: ffff8880022c11e8
[   20.487667][  T312] FS:  00007fbfc5c52800(0000) GS:ffff8880e3419000(0000) knlGS:0000000000000000
[   20.488151][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.488501][  T312] CR2: 00000000004e73a0 CR3: 000000000a948004 CR4: 0000000000772ef0
[   20.488937][  T312] PKRU: 55555554
[   20.489145][  T312] Call Trace:
[   20.489351][  T312]  <TASK>
[ 20.489493][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.489787][ T312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.490065][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.490342][ T312] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.490633][ T312] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.490912][ T312] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.491194][ T312] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.491475][ T312] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.491833][ T312] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.492109][ T312] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.492382][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.492683][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.492964][ T312] ? __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) 
[ 20.493241][ T312] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.493590][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.493878][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.494149][ T312] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.494423][ T312] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.494706][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.494980][ T312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.495251][ T312] ? __create_object (mm/kmemleak.c:771) 
[ 20.495533][ T312] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.495817][ T312] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.496098][ T312] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.496444][ T312] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.496743][ T312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.497025][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.497300][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.497584][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.497868][ T312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.498142][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.498420][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.498702][ T312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.498983][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.499266][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.499548][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.499840][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.500117][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.500406][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.500699][ T312] ? 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) 
[ 20.500977][ T312] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.501255][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.501528][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.501820][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.502100][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.502376][ T312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.502668][ T312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.502946][ T312] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.503219][ T312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.503581][ T312] ___sys_sendmsg (net/socket.c:2670) 
[ 20.503864][ T312] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.504140][ T312] ? __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) 
[ 20.504482][ T312] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.504776][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.505058][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.505337][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.505620][ T312] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.505901][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.506183][ T312] __sys_sendmsg (net/socket.c:2700) 
[ 20.506457][ T312] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.506804][ T312] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.507095][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.507370][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.507655][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.508001][  T312] RIP: 0033:0x7fbfc5e1f1e7
[ 20.508287][ T312] 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)
[   20.509282][  T312] RSP: 002b:00007fffc5292628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.509702][  T312] RAX: ffffffffffffffda RBX: 00007fffc5292d50 RCX: 00007fbfc5e1f1e7
[   20.510118][  T312] RDX: 0000000000000000 RSI: 00007fffc5292690 RDI: 0000000000000005
[   20.510533][  T312] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   20.510952][  T312] R10: 00007fbfc5d1cee8 R11: 0000000000000246 R12: 0000000000000006
[   20.511369][  T312] R13: 00000000686e2c32 R14: 0000000000499600 R15: 0000000000000000
| [   22.382503][  T326] ------------[ cut here ]------------
| [ 22.382947][ T326] WARNING: CPU: 2 PID: 326 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.383520][  T326] Modules linked in:
| [   22.384332][  T326] Tainted: [W]=WARN
[   22.384556][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.384924][ T326] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.385228][ T326] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.386246][  T326] RSP: 0018:ffffc90000e07140 EFLAGS: 00010246
[   22.386618][  T326] RAX: 0000000000000000 RBX: ffff888007cb1000 RCX: 0000000000000001
[   22.387043][  T326] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   22.387473][  T326] RBP: ffffc90000e07228 R08: 0000000000000001 R09: fffff520001c0dde
[   22.387914][  T326] R10: ffffc90000e06ef7 R11: ffff88806cf39118 R12: 1ffff920001c0e2c
[   22.388353][  T326] R13: 000000000000ffff R14: ffffc90000e07880 R15: ffff88800a3918e8
[   22.388800][  T326] FS:  00007f7cd74a7800(0000) GS:ffff8880e3499000(0000) knlGS:0000000000000000
[   22.389304][  T326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.389672][  T326] CR2: 00000000004e6820 CR3: 00000000021c3006 CR4: 0000000000772ef0
[   22.390097][  T326] PKRU: 55555554
[   22.390323][  T326] Call Trace:
[   22.390542][  T326]  <TASK>
[ 22.390715][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.391027][ T326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.391326][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.391626][ T326] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.391928][ T326] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 22.392229][ T326] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.392521][ T326] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 22.392824][ T326] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.393183][ T326] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.393482][ T326] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.393778][ T326] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.394066][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.394357][ T326] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.394655][ T326] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.395011][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.395298][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.395582][ T326] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.395888][ T326] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.396181][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.396474][ T326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.396765][ T326] ? __create_object (mm/kmemleak.c:771) 
[ 22.397055][ T326] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.397340][ T326] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.397658][ T326] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.398010][ T326] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.398303][ T326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.398598][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.398893][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.399217][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.399504][ T326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.399796][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.400084][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.400394][ T326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.400710][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.401009][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.401314][ T326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.401618][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.401915][ T326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.402220][ T326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.402504][ T326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.402812][ T326] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.403105][ T326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.403399][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.403710][ T326] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.404000][ T326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.404284][ T326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.404576][ T326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.404871][ T326] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.405158][ T326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.405520][ T326] ___sys_sendmsg (net/socket.c:2670) 
[ 22.405811][ T326] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.406095][ T326] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.406449][ T326] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.406779][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.407080][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.407382][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.407687][ T326] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.407980][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.408276][ T326] __sys_sendmsg (net/socket.c:2700) 
[ 22.408568][ T326] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.408937][ T326] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.409247][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.409546][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.409853][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.410216][  T326] RIP: 0033:0x7f7cd76741e7
[ 22.410513][ T326] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.411525][  T326] RSP: 002b:00007ffc8b961d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.411973][  T326] RAX: ffffffffffffffda RBX: 00007ffc8b962430 RCX: 00007f7cd76741e7
[   22.412407][  T326] RDX: 0000000000000000 RSI: 00007ffc8b961d70 RDI: 0000000000000005
[   22.412842][  T326] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   22.413261][  T326] R10: 00007f7cd7571ee8 R11: 0000000000000246 R12: 0000000000000006
[   22.413705][  T326] R13: 00000000686e2c33 R14: 0000000000499600 R15: 0000000000000000
| [   23.025238][  T330] ------------[ cut here ]------------
| [ 23.025672][ T330] WARNING: CPU: 2 PID: 330 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.026242][  T330] Modules linked in:
| [   23.027121][  T330] Tainted: [W]=WARN
[   23.027346][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.027716][ T330] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.028012][ T330] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.029018][  T330] RSP: 0018:ffffc90000e27140 EFLAGS: 00010246
[   23.029386][  T330] RAX: 0000000000000000 RBX: ffff88800f071000 RCX: 0000000000000001
[   23.029817][  T330] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   23.030244][  T330] RBP: ffffc90000e27228 R08: 0000000000000001 R09: fffff520001c4dde
[   23.030691][  T330] R10: ffffc90000e26ef7 R11: ffff88806cf39118 R12: 1ffff920001c4e2c
[   23.031115][  T330] R13: 000000000000ffff R14: ffffc90000e27880 R15: ffff88800cf10068
[   23.031540][  T330] FS:  00007f99bd59a800(0000) GS:ffff8880e3499000(0000) knlGS:0000000000000000
[   23.032057][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.032425][  T330] CR2: 00000000004e73b0 CR3: 000000000e4e1006 CR4: 0000000000772ef0
[   23.032877][  T330] PKRU: 55555554
[   23.033106][  T330] Call Trace:
[   23.033353][  T330]  <TASK>
[ 23.033518][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.033832][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.034124][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.034416][ T330] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.034742][ T330] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.035035][ T330] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.035336][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.035661][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.036027][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.036316][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.036617][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.036911][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.037202][ T330] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.037506][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.037873][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.038161][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.038446][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.038742][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.039032][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.039317][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.039646][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 23.039949][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.040240][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.040561][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.040944][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.041252][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.041548][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.041846][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.042151][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.042668][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.042957][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.043246][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.043548][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.043876][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.044180][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.044501][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.044835][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.045131][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.045438][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.045750][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.046041][ T330] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.046334][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.046631][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.046930][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.047221][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.047511][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.047839][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.048139][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.048435][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.048815][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 23.049123][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.049431][ T330] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.049812][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.050136][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.050430][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.050766][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.051055][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.051347][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.051652][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 23.051964][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.052315][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.052653][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.052944][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.053236][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.053642][  T330] RIP: 0033:0x7f99bd7671e7
[ 23.053964][ T330] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.054992][  T330] RSP: 002b:00007ffed2468258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.055420][  T330] RAX: ffffffffffffffda RBX: 00007ffed2468980 RCX: 00007f99bd7671e7
[   23.055858][  T330] RDX: 0000000000000000 RSI: 00007ffed24682c0 RDI: 0000000000000005
[   23.056289][  T330] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   23.056746][  T330] R10: 00007f99bd664ee8 R11: 0000000000000246 R12: 0000000000000006
[   23.057195][  T330] R13: 00000000686e2c34 R14: 0000000000499600 R15: 0000000000000000
| [   24.888206][  T345] ------------[ cut here ]------------
| [ 24.888588][ T345] WARNING: CPU: 2 PID: 345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.889201][  T345] Modules linked in:
| [   24.890291][  T345] Tainted: [W]=WARN
[   24.890539][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.890935][ T345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.891263][ T345] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.892336][  T345] RSP: 0018:ffffc90000ec7140 EFLAGS: 00010246
[   24.892709][  T345] RAX: 0000000000000000 RBX: ffff8880086b9000 RCX: 0000000000000001
[   24.893133][  T345] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   24.893569][  T345] RBP: ffffc90000ec7228 R08: 0000000000000001 R09: fffff520001d8dde
[   24.894010][  T345] R10: ffffc90000ec6ef7 R11: ffff88806cf39118 R12: 1ffff920001d8e2c
[   24.894433][  T345] R13: 000000000000ffff R14: ffffc90000ec7880 R15: ffff88800d515c68
[   24.894864][  T345] FS:  00007f8f6ed44800(0000) GS:ffff8880e3499000(0000) knlGS:0000000000000000
[   24.895352][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.895717][  T345] CR2: 00000000004e6820 CR3: 000000000a093002 CR4: 0000000000772ef0
[   24.896148][  T345] PKRU: 55555554
[   24.896364][  T345] Call Trace:
[   24.896599][  T345]  <TASK>
[ 24.896763][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.897057][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.897341][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.897660][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.897966][ T345] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 24.898270][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 24.898563][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 24.898880][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.899261][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.899562][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.899869][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.900158][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.900474][ T345] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.900773][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.901142][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.901444][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.901754][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.902058][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.902358][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.902669][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.902978][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 24.903291][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.903598][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.903929][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.904321][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.904661][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.904971][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.905274][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.905585][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.905899][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.906206][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.906510][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.906926][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.907242][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.907551][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.907888][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.908199][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.908541][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.908875][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.909170][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.909457][ T345] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.909786][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.910096][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.910404][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.910732][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.911056][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.911359][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.911674][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.911970][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.912361][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 24.912677][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.912983][ T345] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.913379][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.913684][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.913974][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.914266][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.914552][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.914891][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.915208][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 24.915514][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.915881][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.916206][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.916513][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.916825][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.917176][  T345] RIP: 0033:0x7f8f6ef111e7
[ 24.917483][ T345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.918553][  T345] RSP: 002b:00007fffd5ab7e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.919024][  T345] RAX: ffffffffffffffda RBX: 00007fffd5ab8550 RCX: 00007f8f6ef111e7
[   24.919484][  T345] RDX: 0000000000000000 RSI: 00007fffd5ab7e90 RDI: 0000000000000005
[   24.919955][  T345] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   24.920401][  T345] R10: 00007f8f6ee0eee8 R11: 0000000000000246 R12: 0000000000000006
[   24.920891][  T345] R13: 00000000686e2c36 R14: 0000000000499600 R15: 0000000000000000
| [   25.510129][  T349] ------------[ cut here ]------------
| [ 25.510444][ T349] WARNING: CPU: 3 PID: 349 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.511014][  T349] Modules linked in:
| [   25.511811][  T349] Tainted: [W]=WARN
[   25.512035][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.512391][ T349] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.512696][ T349] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.513727][  T349] RSP: 0018:ffffc90000f07140 EFLAGS: 00010246
[   25.514109][  T349] RAX: 0000000000000000 RBX: ffff8880086a1000 RCX: 0000000000000001
[   25.514531][  T349] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   25.514968][  T349] RBP: ffffc90000f07228 R08: 0000000000000001 R09: fffff520001e0dde
[   25.515394][  T349] R10: ffffc90000f06ef7 R11: ffff88806cfb92c0 R12: 1ffff920001e0e2c
[   25.515834][  T349] R13: 000000000000ffff R14: ffffc90000f07880 R15: ffff88800979b168
[   25.516264][  T349] FS:  00007f33c0c4d800(0000) GS:ffff8880e3519000(0000) knlGS:0000000000000000
[   25.516774][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.517139][  T349] CR2: 00000000004e73c0 CR3: 000000000e7ba001 CR4: 0000000000772ef0
[   25.517554][  T349] PKRU: 55555554
[   25.517770][  T349] Call Trace:
[   25.517992][  T349]  <TASK>
[ 25.518146][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.518442][ T349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.518736][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.519029][ T349] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.519320][ T349] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.519598][ T349] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.519904][ T349] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.520189][ T349] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.520544][ T349] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.520843][ T349] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.521129][ T349] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.521411][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.521701][ T349] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.521986][ T349] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.522343][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.522645][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.522934][ T349] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.523216][ T349] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.523513][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.523802][ T349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.524083][ T349] ? __create_object (mm/kmemleak.c:771) 
[ 25.524362][ T349] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.524659][ T349] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.524944][ T349] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.525302][ T349] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.525595][ T349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.525899][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.526177][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.526463][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.526766][ T349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.527061][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.527362][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.527651][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.527931][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.528224][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.528505][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.528790][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.529069][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.529365][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.529661][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.529953][ T349] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.530234][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.530507][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.530799][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.531101][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.531382][ T349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.531684][ T349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.531965][ T349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.532238][ T349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.532597][ T349] ___sys_sendmsg (net/socket.c:2670) 
[ 25.533140][ T349] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.533422][ T349] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.533768][ T349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.534057][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.534528][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.534817][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.535107][ T349] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.535383][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.535864][ T349] __sys_sendmsg (net/socket.c:2700) 
[ 25.536136][ T349] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.536475][ T349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.536968][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.537247][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.537531][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.537888][  T349] RIP: 0033:0x7f33c0e1a1e7
[ 25.538376][ T349] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.539788][  T349] RSP: 002b:00007fffbbaa11c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.540213][  T349] RAX: ffffffffffffffda RBX: 00007fffbbaa18f0 RCX: 00007f33c0e1a1e7
[   25.540643][  T349] RDX: 0000000000000000 RSI: 00007fffbbaa1230 RDI: 0000000000000005
[   25.541253][  T349] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   25.541680][  T349] R10: 00007f33c0d17ee8 R11: 0000000000000246 R12: 0000000000000006
[   25.542097][  T349] R13: 00000000686e2c37 R14: 0000000000499600 R15: 0000000000000000
| [   44.343533][  T364] ------------[ cut here ]------------
| [ 44.343933][ T364] WARNING: CPU: 0 PID: 364 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) 
| [   44.344517][  T364] Modules linked in:
| [   44.345346][  T364] Tainted: [W]=WARN
[   44.345565][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.346048][ T364] 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) 
[ 44.346342][ T364] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.347462][  T364] RSP: 0018:ffffc90000f37140 EFLAGS: 00010246
[   44.347831][  T364] RAX: 0000000000000000 RBX: ffff88800afcc000 RCX: 0000000000000001
[   44.348248][  T364] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   44.348673][  T364] RBP: ffffc90000f37228 R08: 0000000000000001 R09: fffff520001e6dde
[   44.349105][  T364] R10: ffffc90000f36ef7 R11: ffff88806ce39118 R12: 1ffff920001e6e2c
[   44.349533][  T364] R13: 000000000000ffff R14: ffffc90000f37880 R15: ffff88800f137168
[   44.349964][  T364] FS:  00007fcd19f29800(0000) GS:ffff8880e3399000(0000) knlGS:0000000000000000
[   44.350458][  T364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.350823][  T364] CR2: 00000000004e6820 CR3: 000000000b686001 CR4: 0000000000772ef0
[   44.351247][  T364] PKRU: 55555554
[   44.351463][  T364] Call Trace:
[   44.351681][  T364]  <TASK>
[ 44.351827][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.352138][ T364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.352414][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.352700][ T364] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.352982][ T364] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.353269][ T364] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.353588][ T364] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.353890][ T364] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.354257][ T364] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.354544][ T364] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.354829][ T364] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.355112][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.355395][ T364] ? __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) 
[ 44.355693][ T364] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.356040][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.356324][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.356598][ T364] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.356893][ T364] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.357192][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.357466][ T364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.357757][ T364] ? __create_object (mm/kmemleak.c:771) 
[ 44.358063][ T364] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.358347][ T364] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.358664][ T364] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.359016][ T364] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.359302][ T364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.359584][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.359879][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.360160][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.360437][ T364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.360734][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.361016][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.361289][ T364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.361579][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.361887][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.362167][ T364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.362453][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.362738][ T364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.363036][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.363330][ T364] ? 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) 
[ 44.363659][ T364] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.363949][ T364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.364229][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.364520][ T364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.364824][ T364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.365125][ T364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.365434][ T364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.365741][ T364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.366029][ T364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.366410][ T364] ___sys_sendmsg (net/socket.c:2670) 
[ 44.366888][ T364] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.367187][ T364] ? __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) 
[ 44.367568][ T364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.368302][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.368596][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.369090][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.369380][ T364] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.369686][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.369987][ T364] __sys_sendmsg (net/socket.c:2700) 
[ 44.370280][ T364] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.370645][ T364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.371333][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.371636][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.371936][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.372300][  T364] RIP: 0033:0x7fcd1a0f61e7
[ 44.372604][ T364] 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)
[   44.373888][  T364] RSP: 002b:00007ffd49da6618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.374530][  T364] RAX: ffffffffffffffda RBX: 00007ffd49da6d40 RCX: 00007fcd1a0f61e7
[   44.374975][  T364] RDX: 0000000000000000 RSI: 00007ffd49da6680 RDI: 0000000000000005
[   44.375413][  T364] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   44.376057][  T364] R10: 00007fcd19ff3ee8 R11: 0000000000000246 R12: 0000000000000006
[   44.376494][  T364] R13: 00000000686e2c49 R14: 0000000000499600 R15: 0000000000000000
| [   44.992501][  T375] ------------[ cut here ]------------
| [ 44.992883][ T375] WARNING: CPU: 2 PID: 375 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) 
| [   44.993474][  T375] Modules linked in:
| [   44.994290][  T375] Tainted: [W]=WARN
[   44.994508][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.994890][ T375] 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) 
[ 44.995196][ T375] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.996287][  T375] RSP: 0018:ffffc90000fb7140 EFLAGS: 00010246
[   44.996656][  T375] RAX: 0000000000000000 RBX: ffff8880056e1000 RCX: 0000000000000001
[   44.997084][  T375] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   44.997506][  T375] RBP: ffffc90000fb7228 R08: 0000000000000001 R09: fffff520001f6dde
[   44.997939][  T375] R10: ffffc90000fb6ef7 R11: ffff88806cf39118 R12: 1ffff920001f6e2c
[   44.998369][  T375] R13: 000000000000ffff R14: ffffc90000fb7880 R15: ffff88800ff09568
[   44.998815][  T375] FS:  00007fa3c29a6800(0000) GS:ffff8880e3499000(0000) knlGS:0000000000000000
[   44.999323][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.999870][  T375] CR2: 00000000004e73d0 CR3: 0000000008398001 CR4: 0000000000772ef0
[   45.000307][  T375] PKRU: 55555554
[   45.000536][  T375] Call Trace:
[   45.000770][  T375]  <TASK>
[ 45.000924][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.001217][ T375] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.001501][ T375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.001800][ T375] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 45.002090][ T375] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 45.002383][ T375] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 45.002694][ T375] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 45.002999][ T375] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.003371][ T375] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.003669][ T375] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.003954][ T375] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.004242][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.004533][ T375] ? __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) 
[ 45.004828][ T375] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.005188][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.005482][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.005782][ T375] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.006070][ T375] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.006370][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.006679][ T375] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.006978][ T375] ? __create_object (mm/kmemleak.c:771) 
[ 45.007268][ T375] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.007556][ T375] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.007856][ T375] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.008217][ T375] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.008510][ T375] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.008816][ T375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.009104][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.009400][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.009698][ T375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.009989][ T375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.010278][ T375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.010571][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.010883][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.011201][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.011491][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.011794][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.012082][ T375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.012383][ T375] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.012684][ T375] ? 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) 
[ 45.012973][ T375] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.013261][ T375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.013561][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.013866][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.014164][ T375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.014456][ T375] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.014773][ T375] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.015090][ T375] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.015379][ T375] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.015753][ T375] ___sys_sendmsg (net/socket.c:2670) 
[ 45.016039][ T375] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.016323][ T375] ? __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) 
[ 45.016690][ T375] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.016995][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.017296][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.017602][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.017903][ T375] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.018190][ T375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.018494][ T375] __sys_sendmsg (net/socket.c:2700) 
[ 45.018807][ T375] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.019174][ T375] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.019478][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.019793][ T375] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.020095][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.020454][  T375] RIP: 0033:0x7fa3c2b731e7
[ 45.020766][ T375] 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)
[   45.021798][  T375] RSP: 002b:00007fff3eac9058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.022228][  T375] RAX: ffffffffffffffda RBX: 00007fff3eac9780 RCX: 00007fa3c2b731e7
[   45.022666][  T375] RDX: 0000000000000000 RSI: 00007fff3eac90c0 RDI: 0000000000000005
[   45.023253][  T375] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   45.023705][  T375] R10: 00007fa3c2a70ee8 R11: 0000000000000246 R12: 0000000000000006
[   45.024135][  T375] R13: 00000000686e2c4a R14: 0000000000499600 R15: 0000000000000000
| [   46.813967][  T388] ------------[ cut here ]------------
| [ 46.814303][ T388] WARNING: CPU: 1 PID: 388 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) 
| [   46.815036][  T388] Modules linked in:
| [   46.815820][  T388] Tainted: [W]=WARN
[   46.816031][  T388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.816374][ T388] 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) 
[ 46.816669][ T388] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   46.817662][  T388] RSP: 0018:ffffc90001017140 EFLAGS: 00010246
[   46.818013][  T388] RAX: 0000000000000000 RBX: ffff88800eb21000 RCX: 0000000000000001
[   46.818421][  T388] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   46.818841][  T388] RBP: ffffc90001017228 R08: 0000000000000001 R09: fffff52000202dde
[   46.819252][  T388] R10: ffffc90001016ef7 R11: ffff88806ceb9118 R12: 1ffff92000202e2c
[   46.819671][  T388] R13: 000000000000ffff R14: ffffc90001017880 R15: ffff88800feece68
[   46.820084][  T388] FS:  00007f09dce1f800(0000) GS:ffff8880e3419000(0000) knlGS:0000000000000000
[   46.820562][  T388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.820926][  T388] CR2: 00000000004e6820 CR3: 000000000eb6c006 CR4: 0000000000772ef0
[   46.821341][  T388] PKRU: 55555554
[   46.821551][  T388] Call Trace:
[   46.821764][  T388]  <TASK>
[ 46.821908][ T388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.822191][ T388] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.822461][ T388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.822751][ T388] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.823027][ T388] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 46.823300][ T388] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 46.823591][ T388] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 46.823888][ T388] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.824239][ T388] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.824519][ T388] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.824804][ T388] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.825080][ T388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.825358][ T388] ? __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) 
[ 46.825642][ T388] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.825985][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.826263][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.826536][ T388] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.826822][ T388] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.827108][ T388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.827385][ T388] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.827663][ T388] ? __create_object (mm/kmemleak.c:771) 
[ 46.827949][ T388] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.828225][ T388] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.828502][ T388] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.828848][ T388] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.829131][ T388] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.829408][ T388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.829688][ T388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.829978][ T388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.830256][ T388] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.830526][ T388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.830810][ T388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.831085][ T388] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.831359][ T388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.831640][ T388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.831919][ T388] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.832194][ T388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.832472][ T388] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.832763][ T388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.833037][ T388] ? 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) 
[ 46.833318][ T388] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 46.833598][ T388] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.833880][ T388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.834165][ T388] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.834443][ T388] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.834724][ T388] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.835005][ T388] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.835281][ T388] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.835551][ T388] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.835909][ T388] ___sys_sendmsg (net/socket.c:2670) 
[ 46.836180][ T388] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.836454][ T388] ? __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) 
[ 46.836804][ T388] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.837081][ T388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.837357][ T388] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.837643][ T388] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.837918][ T388] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.838189][ T388] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.838473][ T388] __sys_sendmsg (net/socket.c:2700) 
[ 46.838757][ T388] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.839094][ T388] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.839382][ T388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.839664][ T388] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.839940][ T388] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.840278][  T388] RIP: 0033:0x7f09dcfec1e7
[ 46.840561][ T388] 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)
[   46.841541][  T388] RSP: 002b:00007ffe8722c098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.841961][  T388] RAX: ffffffffffffffda RBX: 00007ffe8722c7c0 RCX: 00007f09dcfec1e7
[   46.842373][  T388] RDX: 0000000000000000 RSI: 00007ffe8722c100 RDI: 0000000000000005
[   46.842788][  T388] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   46.843194][  T388] R10: 00007f09dcee9ee8 R11: 0000000000000246 R12: 0000000000000006
[   46.843620][  T388] R13: 00000000686e2c4c R14: 0000000000499600 R15: 0000000000000000
| [   47.434268][  T392] ------------[ cut here ]------------
| [ 47.434590][ T392] WARNING: CPU: 0 PID: 392 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) 
| [   47.435161][  T392] Modules linked in:
| [   47.435955][  T392] Tainted: [W]=WARN
[   47.436175][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.436533][ T392] 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) 
[ 47.436853][ T392] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   47.438195][  T392] RSP: 0018:ffffc90001047140 EFLAGS: 00010246
[   47.438567][  T392] RAX: 0000000000000000 RBX: ffff88800bef4000 RCX: 0000000000000001
[   47.439015][  T392] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   47.439443][  T392] RBP: ffffc90001047228 R08: 0000000000000001 R09: fffff52000208dde
[   47.439879][  T392] R10: ffffc90001046ef7 R11: ffff88806ce39118 R12: 1ffff92000208e2c
[   47.440293][  T392] R13: 000000000000ffff R14: ffffc90001047880 R15: ffff88800a18f168
[   47.440730][  T392] FS:  00007fd807ddc800(0000) GS:ffff8880e3399000(0000) knlGS:0000000000000000
[   47.441225][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.441576][  T392] CR2: 00000000004e73e0 CR3: 000000000ffc0002 CR4: 0000000000772ef0
[   47.442018][  T392] PKRU: 55555554
[   47.442228][  T392] Call Trace:
[   47.442433][  T392]  <TASK>
[ 47.442573][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.442874][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.443166][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.443489][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 47.443777][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 47.444062][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 47.444347][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 47.444650][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 47.445007][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 47.445287][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 47.445577][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 47.445889][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.446176][ T392] ? __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) 
[ 47.446454][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 47.446822][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.447111][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.447384][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 47.447668][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 47.447960][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.448251][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.448530][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 47.448830][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 47.449109][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.449391][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 47.449744][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 47.450028][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.450310][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.450584][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.450879][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.451169][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.451444][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.451740][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.452030][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.452306][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.452584][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.452886][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.453173][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.453502][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.453807][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.454091][ T392] ? 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) 
[ 47.454367][ T392] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.454658][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.454943][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.455224][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.455524][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.455814][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.456098][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.456385][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.456689][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.457058][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 47.457336][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 47.457621][ T392] ? __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) 
[ 47.457973][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.458266][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.458546][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.458844][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.459124][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 47.459398][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.459689][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 47.459970][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 47.460309][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.460604][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.460899][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.461177][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.461518][  T392] RIP: 0033:0x7fd807fa91e7
[ 47.461819][ T392] 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)
[   47.462829][  T392] RSP: 002b:00007fffc2ec2228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.463250][  T392] RAX: ffffffffffffffda RBX: 00007fffc2ec2950 RCX: 00007fd807fa91e7
[   47.463708][  T392] RDX: 0000000000000000 RSI: 00007fffc2ec2290 RDI: 0000000000000005
[   47.464129][  T392] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   47.464553][  T392] R10: 00007fd807ea6ee8 R11: 0000000000000246 R12: 0000000000000006
[   47.464983][  T392] R13: 00000000686e2c4d R14: 0000000000499600 R15: 0000000000000000
| [   49.387685][  T405] ------------[ cut here ]------------
| [ 49.388074][ T405] WARNING: CPU: 1 PID: 405 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) 
| [   49.388638][  T405] Modules linked in:
| [   49.389417][  T405] Tainted: [W]=WARN
[   49.389701][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.390048][ T405] 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) 
[ 49.390331][ T405] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.391335][  T405] RSP: 0018:ffffc90001037140 EFLAGS: 00010246
[   49.391708][  T405] RAX: 0000000000000000 RBX: ffff888009014000 RCX: 0000000000000001
[   49.392125][  T405] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   49.392534][  T405] RBP: ffffc90001037228 R08: 0000000000000001 R09: fffff52000206dde
[   49.392962][  T405] R10: ffffc90001036ef7 R11: ffff88806ceb9118 R12: 1ffff92000206e2c
[   49.393385][  T405] R13: 000000000000ffff R14: ffffc90001037880 R15: ffff88800ca443e8
[   49.393811][  T405] FS:  00007f0fa120d800(0000) GS:ffff8880e3419000(0000) knlGS:0000000000000000
[   49.394296][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.394658][  T405] CR2: 00000000004e6820 CR3: 0000000008d24003 CR4: 0000000000772ef0
[   49.395077][  T405] PKRU: 55555554
[   49.395282][  T405] Call Trace:
[   49.395488][  T405]  <TASK>
[ 49.395638][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.395933][ T405] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.396207][ T405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.396481][ T405] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 49.396770][ T405] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 49.397045][ T405] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 49.397324][ T405] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 49.397602][ T405] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.397969][ T405] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.398244][ T405] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.398518][ T405] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.398808][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.399088][ T405] ? __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) 
[ 49.399363][ T405] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.399716][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.399995][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.400267][ T405] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.400540][ T405] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.400830][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.401111][ T405] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.401384][ T405] ? __create_object (mm/kmemleak.c:771) 
[ 49.401669][ T405] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.401952][ T405] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.402231][ T405] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.402578][ T405] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.402871][ T405] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.403155][ T405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.403444][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.403733][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.404009][ T405] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.404284][ T405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.404569][ T405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.404866][ T405] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.405146][ T405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.405424][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.405710][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.405987][ T405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.406262][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.406548][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.406831][ T405] ? 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) 
[ 49.407108][ T405] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.407388][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.407672][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.407951][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.408228][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.408505][ T405] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.408799][ T405] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.409078][ T405] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.409354][ T405] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.409715][ T405] ___sys_sendmsg (net/socket.c:2670) 
[ 49.409986][ T405] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.410257][ T405] ? __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) 
[ 49.410616][ T405] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.410894][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.411171][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.411451][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.411737][ T405] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.412011][ T405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.412298][ T405] __sys_sendmsg (net/socket.c:2700) 
[ 49.412573][ T405] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.412928][ T405] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.413221][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.413506][ T405] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.413794][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.414135][  T405] RIP: 0033:0x7f0fa13da1e7
[ 49.414423][ T405] 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)
[   49.415424][  T405] RSP: 002b:00007ffdcb473f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.415844][  T405] RAX: ffffffffffffffda RBX: 00007ffdcb474630 RCX: 00007f0fa13da1e7
[   49.416260][  T405] RDX: 0000000000000000 RSI: 00007ffdcb473f70 RDI: 0000000000000005
[   49.416677][  T405] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   49.417094][  T405] R10: 00007f0fa12d7ee8 R11: 0000000000000246 R12: 0000000000000006
[   49.417504][  T405] R13: 00000000686e2c4e R14: 0000000000499600 R15: 0000000000000000
| [   50.036475][  T409] ------------[ cut here ]------------
| [ 50.036882][ T409] WARNING: CPU: 0 PID: 409 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) 
| [   50.037439][  T409] Modules linked in:
| [   50.038231][  T409] Tainted: [W]=WARN
[   50.038444][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.038806][ T409] 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) 
[ 50.039091][ T409] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   50.040495][  T409] RSP: 0018:ffffc900010a7140 EFLAGS: 00010246
[   50.040869][  T409] RAX: 0000000000000000 RBX: ffff88800afc9000 RCX: 0000000000000001
[   50.041281][  T409] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   50.041702][  T409] RBP: ffffc900010a7228 R08: 0000000000000001 R09: fffff52000214dde
[   50.042113][  T409] R10: ffffc900010a6ef7 R11: ffff88806ce39118 R12: 1ffff92000214e2c
[   50.042521][  T409] R13: 000000000000ffff R14: ffffc900010a7880 R15: ffff88800feec068
[   50.042943][  T409] FS:  00007f760847e800(0000) GS:ffff8880e3399000(0000) knlGS:0000000000000000
[   50.043453][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.043810][  T409] CR2: 00000000004e73f0 CR3: 000000000a96d006 CR4: 0000000000772ef0
[   50.044232][  T409] PKRU: 55555554
[   50.044439][  T409] Call Trace:
[   50.044658][  T409]  <TASK>
[ 50.044803][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.045087][ T409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.045359][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.045644][ T409] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 50.045922][ T409] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 50.046195][ T409] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 50.046474][ T409] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 50.046767][ T409] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.047120][ T409] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.047395][ T409] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.047679][ T409] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.047959][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.048246][ T409] ? __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) 
[ 50.048522][ T409] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.048871][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.049149][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.049426][ T409] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.049716][ T409] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.049996][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.050272][ T409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.050543][ T409] ? __create_object (mm/kmemleak.c:771) 
[ 50.050835][ T409] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.051114][ T409] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.051392][ T409] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.051745][ T409] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.052032][ T409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.052310][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.052583][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.052872][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.053145][ T409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.053422][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.053708][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.053984][ T409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.054265][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.054545][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.054833][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.055110][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.055385][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.055679][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.055953][ T409] ? 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) 
[ 50.056235][ T409] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 50.056513][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.056800][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.057082][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.057359][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.057643][ T409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.057927][ T409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.058206][ T409] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.058482][ T409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.058843][ T409] ___sys_sendmsg (net/socket.c:2670) 
[ 50.059115][ T409] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.059386][ T409] ? __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) 
[ 50.059734][ T409] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.060014][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.060297][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.060576][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.060862][ T409] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.061137][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.061418][ T409] __sys_sendmsg (net/socket.c:2700) 
[ 50.061697][ T409] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.062039][ T409] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.062326][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.062604][ T409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.062890][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.063227][  T409] RIP: 0033:0x7f760864b1e7
[ 50.063553][ T409] 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)
[   50.064552][  T409] RSP: 002b:00007ffe52d04b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.064989][  T409] RAX: ffffffffffffffda RBX: 00007ffe52d052c0 RCX: 00007f760864b1e7
[   50.065401][  T409] RDX: 0000000000000000 RSI: 00007ffe52d04c00 RDI: 0000000000000005
[   50.065819][  T409] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   50.066238][  T409] R10: 00007f7608548ee8 R11: 0000000000000246 R12: 0000000000000006
[   50.066659][  T409] R13: 00000000686e2c4f R14: 0000000000499600 R15: 0000000000000000
| [   51.899959][  T422] ------------[ cut here ]------------
| [ 51.900316][ T422] WARNING: CPU: 2 PID: 422 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) 
| [   51.902821][  T422] Modules linked in:
| [   51.903946][  T422] Tainted: [W]=WARN
[   51.904352][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.904797][ T422] 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) 
[ 51.905103][ T422] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   51.906124][  T422] RSP: 0018:ffffc900010f7140 EFLAGS: 00010246
[   51.906488][  T422] RAX: 0000000000000000 RBX: ffff88800cfa4000 RCX: 0000000000000001
[   51.906922][  T422] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   51.907348][  T422] RBP: ffffc900010f7228 R08: 0000000000000001 R09: fffff5200021edde
[   51.907793][  T422] R10: ffffc900010f6ef7 R11: ffff88806cf39118 R12: 1ffff9200021ee2c
[   51.908230][  T422] R13: 000000000000ffff R14: ffffc900010f7880 R15: ffff88800d500068
[   51.908665][  T422] FS:  00007f1c84de2800(0000) GS:ffff8880e3499000(0000) knlGS:0000000000000000
[   51.909166][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.909531][  T422] CR2: 00007f1e9027b938 CR3: 000000000d638001 CR4: 0000000000772ef0
[   51.909976][  T422] PKRU: 55555554
[   51.910195][  T422] Call Trace:
[   51.910414][  T422]  <TASK>
[ 51.910572][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.910877][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 51.911174][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.911467][ T422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 51.911772][ T422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 51.912065][ T422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 51.912363][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 51.912674][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 51.913044][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 51.913354][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 51.913654][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 51.913947][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.914245][ T422] ? __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) 
[ 51.914535][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 51.914900][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.915196][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.915489][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 51.915786][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 51.916082][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.916374][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 51.916675][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 51.916970][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 51.917261][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 51.917554][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 51.917920][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 51.918221][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 51.918516][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.918814][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.919111][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.919402][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 51.919698][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.920000][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.920288][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 51.920584][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.920885][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.921183][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 51.921472][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.921772][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 51.922073][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 51.922367][ T422] ? 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) 
[ 51.922667][ T422] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 51.922965][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 51.923459][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.923766][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.924061][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 51.924542][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 51.924856][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.925151][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 51.925436][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 51.925816][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 51.926100][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 51.926578][ T422] ? __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) 
[ 51.926938][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 51.927239][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.927532][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.928030][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.928318][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 51.928603][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.928905][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 51.929381][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 51.929743][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 51.930048][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.930532][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.930837][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.931192][  T422] RIP: 0033:0x7f1c84faf1e7
[ 51.931487][ T422] 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)
[   51.932489][  T422] RSP: 002b:00007fff4983d108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   51.933123][  T422] RAX: ffffffffffffffda RBX: 00007fff4983d830 RCX: 00007f1c84faf1e7
[   51.933563][  T422] RDX: 0000000000000000 RSI: 00007fff4983d170 RDI: 0000000000000005
[   51.933996][  T422] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   51.934624][  T422] R10: 00007f1c84eacee8 R11: 0000000000000246 R12: 0000000000000006
[   51.935054][  T422] R13: 00000000686e2c51 R14: 0000000000499600 R15: 0000000000000000
| [   52.510876][  T426] ------------[ cut here ]------------
| [ 52.511260][ T426] WARNING: CPU: 0 PID: 426 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) 
| [   52.511847][  T426] Modules linked in:
| [   52.512637][  T426] Tainted: [W]=WARN
[   52.512846][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.513189][ T426] 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) 
[ 52.513485][ T426] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   52.514477][  T426] RSP: 0018:ffffc90001117140 EFLAGS: 00010246
[   52.514839][  T426] RAX: 0000000000000000 RBX: ffff88800ebf1000 RCX: 0000000000000001
[   52.515251][  T426] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   52.515684][  T426] RBP: ffffc90001117228 R08: 0000000000000001 R09: fffff52000222dde
[   52.516102][  T426] R10: ffffc90001116ef7 R11: ffff88806ce39118 R12: 1ffff92000222e2c
[   52.516512][  T426] R13: 000000000000ffff R14: ffffc90001117880 R15: ffff88800e5258e8
[   52.516934][  T426] FS:  00007f203c529800(0000) GS:ffff8880e3399000(0000) knlGS:0000000000000000
[   52.517413][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.517772][  T426] CR2: 00000000004e7400 CR3: 000000000216f002 CR4: 0000000000772ef0
[   52.518188][  T426] PKRU: 55555554
[   52.518395][  T426] Call Trace:
[   52.518601][  T426]  <TASK>
[ 52.518755][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.519036][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.519310][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.519588][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 52.519880][ T426] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 52.520160][ T426] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 52.520438][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 52.520731][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.521079][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.521356][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.521636][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.521920][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.522198][ T426] ? __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) 
[ 52.522473][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.522822][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.523098][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.523397][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.523685][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.523965][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.524242][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.524513][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 52.524802][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.525087][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.525366][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.525712][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.525997][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.526277][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.526551][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.526845][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.527123][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.527398][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.527685][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.527961][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.528238][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.528513][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.528810][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.529100][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.529377][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.529672][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.529945][ T426] ? 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) 
[ 52.530220][ T426] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.530498][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.530780][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.531062][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.531342][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.531628][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.531913][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.532191][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.532464][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.532828][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 52.533101][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.533393][ T426] ? __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) 
[ 52.533747][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.534027][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.534304][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.534585][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.534872][ T426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.535146][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.535429][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 52.535708][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.536047][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.536336][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.536625][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.536905][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.537248][  T426] RIP: 0033:0x7f203c6f61e7
[ 52.537538][ T426] 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)
[   52.538549][  T426] RSP: 002b:00007ffdea3103b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.538972][  T426] RAX: ffffffffffffffda RBX: 00007ffdea310ae0 RCX: 00007f203c6f61e7
[   52.539384][  T426] RDX: 0000000000000000 RSI: 00007ffdea310420 RDI: 0000000000000005
[   52.539811][  T426] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   52.540221][  T426] R10: 00007f203c5f3ee8 R11: 0000000000000246 R12: 0000000000000006
[   52.540642][  T426] R13: 00000000686e2c52 R14: 0000000000499600 R15: 0000000000000000
| [   54.326865][  T439] ------------[ cut here ]------------
| [ 54.327251][ T439] WARNING: CPU: 0 PID: 439 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) 
| [   54.327886][  T439] Modules linked in:
| [   54.328673][  T439] Tainted: [W]=WARN
[   54.328882][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.329226][ T439] 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) 
[ 54.329510][ T439] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.330510][  T439] RSP: 0018:ffffc90000ff7140 EFLAGS: 00010246
[   54.330875][  T439] RAX: 0000000000000000 RBX: ffff888009a9c000 RCX: 0000000000000001
[   54.331287][  T439] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   54.331708][  T439] RBP: ffffc90000ff7228 R08: 0000000000000001 R09: fffff520001fedde
[   54.332125][  T439] R10: ffffc90000ff6ef7 R11: ffff88806ce39118 R12: 1ffff920001fee2c
[   54.332536][  T439] R13: 000000000000ffff R14: ffffc90000ff7880 R15: ffff88800de7e6e8
[   54.332957][  T439] FS:  00007f1f34ad8800(0000) GS:ffff8880e3399000(0000) knlGS:0000000000000000
[   54.333477][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.333834][  T439] CR2: 00000000004e6820 CR3: 000000000995c006 CR4: 0000000000772ef0
[   54.334251][  T439] PKRU: 55555554
[   54.334457][  T439] Call Trace:
[   54.334671][  T439]  <TASK>
[ 54.334812][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.335094][ T439] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.335367][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.335662][ T439] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 54.335951][ T439] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 54.336228][ T439] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 54.336506][ T439] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 54.336923][ T439] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.337272][ T439] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.337546][ T439] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.337946][ T439] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.338226][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.338502][ T439] ? __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) 
[ 54.338918][ T439] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.339260][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.339537][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.339946][ T439] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.340221][ T439] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.340497][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.340852][ T439] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.341128][ T439] ? __create_object (mm/kmemleak.c:771) 
[ 54.341410][ T439] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.341691][ T439] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.341967][ T439] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.342306][ T439] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.342585][ T439] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.342873][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.343148][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.343462][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.343760][ T439] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.344034][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.344309][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.344580][ T439] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.344865][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.345144][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.345422][ T439] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.345709][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.345985][ T439] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.346270][ T439] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.346542][ T439] ? 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) 
[ 54.346825][ T439] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.347103][ T439] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.347373][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.347671][ T439] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.347956][ T439] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.348230][ T439] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.348509][ T439] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.348796][ T439] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.349068][ T439] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.349421][ T439] ___sys_sendmsg (net/socket.c:2670) 
[ 54.349704][ T439] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.349978][ T439] ? __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) 
[ 54.350321][ T439] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.350598][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.350883][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.351161][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.351433][ T439] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.351728][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.352010][ T439] __sys_sendmsg (net/socket.c:2700) 
[ 54.352280][ T439] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.352624][ T439] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.352912][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.353185][ T439] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.353500][ T439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.353853][  T439] RIP: 0033:0x7f1f34ca51e7
[ 54.354137][ T439] 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)
[   54.355117][  T439] RSP: 002b:00007ffe5f51dac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.355527][  T439] RAX: ffffffffffffffda RBX: 00007ffe5f51e1f0 RCX: 00007f1f34ca51e7
[   54.355958][  T439] RDX: 0000000000000000 RSI: 00007ffe5f51db30 RDI: 0000000000000005
[   54.356367][  T439] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   54.356783][  T439] R10: 00007f1f34ba2ee8 R11: 0000000000000246 R12: 0000000000000006
[   54.357189][  T439] R13: 00000000686e2c53 R14: 0000000000499600 R15: 0000000000000000
| [   54.947310][  T443] ------------[ cut here ]------------
| [ 54.947923][ T443] WARNING: CPU: 3 PID: 443 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) 
| [   54.948475][  T443] Modules linked in:
| [   54.949282][  T443] Tainted: [W]=WARN
[   54.949493][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.949861][ T443] 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) 
[ 54.950149][ T443] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.951145][  T443] RSP: 0018:ffffc90001197140 EFLAGS: 00010246
[   54.951505][  T443] RAX: 0000000000000000 RBX: ffff88800d77c000 RCX: 0000000000000001
[   54.951928][  T443] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   54.952340][  T443] RBP: ffffc90001197228 R08: 0000000000000001 R09: fffff52000232dde
[   54.952763][  T443] R10: ffffc90001196ef7 R11: ffff88806cfb92c0 R12: 1ffff92000232e2c
[   54.953181][  T443] R13: 000000000000ffff R14: ffffc90001197880 R15: ffff88800979ade8
[   54.953603][  T443] FS:  00007fe1ed253800(0000) GS:ffff8880e3519000(0000) knlGS:0000000000000000
[   54.954098][  T443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.954448][  T443] CR2: 00000000004e7410 CR3: 000000000abfa006 CR4: 0000000000772ef0
[   54.954874][  T443] PKRU: 55555554
[   54.955088][  T443] Call Trace:
[   54.955298][  T443]  <TASK>
[ 54.955439][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.955731][ T443] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.956004][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.956281][ T443] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 54.956561][ T443] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 54.956844][ T443] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 54.957125][ T443] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 54.957406][ T443] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.957763][ T443] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.958044][ T443] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.958319][ T443] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.958596][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.958884][ T443] ? __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) 
[ 54.959164][ T443] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.959505][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.959793][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.960068][ T443] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.960342][ T443] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.960626][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.960906][ T443] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.961182][ T443] ? __create_object (mm/kmemleak.c:771) 
[ 54.961461][ T443] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.961748][ T443] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.962030][ T443] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.962370][ T443] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.962661][ T443] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.962944][ T443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.963220][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.963510][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.963794][ T443] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.964068][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.964346][ T443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.964633][ T443] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.964913][ T443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.965191][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.965473][ T443] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.965765][ T443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.966045][ T443] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.966332][ T443] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.966614][ T443] ? 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) 
[ 54.966893][ T443] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.967175][ T443] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.967453][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.967751][ T443] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.968034][ T443] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.968310][ T443] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.968592][ T443] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.968882][ T443] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.969157][ T443] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.969516][ T443] ___sys_sendmsg (net/socket.c:2670) 
[ 54.969805][ T443] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.970079][ T443] ? __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) 
[ 54.970425][ T443] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.970713][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.970995][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.971277][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.971554][ T443] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.971844][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.972133][ T443] __sys_sendmsg (net/socket.c:2700) 
[ 54.972407][ T443] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.972758][ T443] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.973049][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.973333][ T443] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.973639][ T443] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.973985][  T443] RIP: 0033:0x7fe1ed4201e7
[ 54.974271][ T443] 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)
[   54.975269][  T443] RSP: 002b:00007ffd01add578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.975693][  T443] RAX: ffffffffffffffda RBX: 00007ffd01addca0 RCX: 00007fe1ed4201e7
[   54.976109][  T443] RDX: 0000000000000000 RSI: 00007ffd01add5e0 RDI: 0000000000000005
[   54.976524][  T443] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   54.976949][  T443] R10: 00007fe1ed31dee8 R11: 0000000000000246 R12: 0000000000000006
[   54.977364][  T443] R13: 00000000686e2c54 R14: 0000000000499600 R15: 0000000000000000
| [   56.756641][  T456] ------------[ cut here ]------------
| [ 56.757028][ T456] WARNING: CPU: 3 PID: 456 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) 
| [   56.757582][  T456] Modules linked in:
| [   56.758602][  T456] Tainted: [W]=WARN
[   56.758819][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.759162][ T456] 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) 
[ 56.759446][ T456] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   56.760434][  T456] RSP: 0018:ffffc90000f37140 EFLAGS: 00010246
[   56.760790][  T456] RAX: 0000000000000000 RBX: ffff88800b564000 RCX: 0000000000000001
[   56.761199][  T456] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   56.761625][  T456] RBP: ffffc90000f37228 R08: 0000000000000001 R09: fffff520001e6dde
[   56.762038][  T456] R10: ffffc90000f36ef7 R11: ffff88806cfb9118 R12: 1ffff920001e6e2c
[   56.762448][  T456] R13: 000000000000ffff R14: ffffc90000f37880 R15: ffff888009064e68
[   56.762867][  T456] FS:  00007ff9bcf52800(0000) GS:ffff8880e3519000(0000) knlGS:0000000000000000
[   56.763351][  T456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.763710][  T456] CR2: 00000000004e6820 CR3: 000000000b0d9004 CR4: 0000000000772ef0
[   56.764130][  T456] PKRU: 55555554
[   56.764338][  T456] Call Trace:
[   56.764542][  T456]  <TASK>
[ 56.764692][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.764977][ T456] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.765255][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.765532][ T456] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.765815][ T456] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 56.766094][ T456] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 56.766373][ T456] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 56.766659][ T456] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.767006][ T456] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.767284][ T456] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.767558][ T456] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.767846][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.768124][ T456] ? __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) 
[ 56.768400][ T456] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.768749][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.769027][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.769303][ T456] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.769592][ T456] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.769880][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.770156][ T456] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.770430][ T456] ? __create_object (mm/kmemleak.c:771) 
[ 56.770718][ T456] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.770994][ T456] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.771269][ T456] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.771614][ T456] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.771899][ T456] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.772182][ T456] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.772455][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.772742][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.773019][ T456] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.773289][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.773570][ T456] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.773850][ T456] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.774129][ T456] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.774406][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.774698][ T456] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.774974][ T456] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.775250][ T456] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.775534][ T456] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.775816][ T456] ? 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) 
[ 56.776169][ T456] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.776457][ T456] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.776743][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.777031][ T456] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.777309][ T456] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.777582][ T456] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.777875][ T456] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.778153][ T456] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.778425][ T456] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.778784][ T456] ___sys_sendmsg (net/socket.c:2670) 
[ 56.779057][ T456] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.779327][ T456] ? __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) 
[ 56.779678][ T456] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.779961][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.780239][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.780516][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.780798][ T456] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.781078][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.781359][ T456] __sys_sendmsg (net/socket.c:2700) 
[ 56.781640][ T456] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.781986][ T456] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.782279][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.782555][ T456] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.782843][ T456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.783185][  T456] RIP: 0033:0x7ff9bd11f1e7
[ 56.783479][ T456] 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)
[   56.784465][  T456] RSP: 002b:00007ffcb8546eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.784900][  T456] RAX: ffffffffffffffda RBX: 00007ffcb85475e0 RCX: 00007ff9bd11f1e7
[   56.785316][  T456] RDX: 0000000000000000 RSI: 00007ffcb8546f20 RDI: 0000000000000005
[   56.785734][  T456] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   56.786144][  T456] R10: 00007ff9bd01cee8 R11: 0000000000000246 R12: 0000000000000006
[   56.786554][  T456] R13: 00000000686e2c56 R14: 0000000000499600 R15: 0000000000000000
| [   57.376274][  T460] ------------[ cut here ]------------
| [ 57.376685][ T460] WARNING: CPU: 3 PID: 460 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   57.377240][  T460] Modules linked in:
| [   57.378030][  T460] Tainted: [W]=WARN
[   57.378239][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.378586][ T460] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 57.378887][ T460] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   57.379894][  T460] RSP: 0018:ffffc90001217140 EFLAGS: 00010246
[   57.380246][  T460] RAX: 0000000000000000 RBX: ffff888004bf9000 RCX: 0000000000000001
[   57.380707][  T460] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   57.381122][  T460] RBP: ffffc90001217228 R08: 0000000000000001 R09: fffff52000242dde
[   57.381536][  T460] R10: ffffc90001216ef7 R11: ffff88806cfb9118 R12: 1ffff92000242e2c
[   57.381959][  T460] R13: 000000000000ffff R14: ffffc90001217880 R15: ffff88800d4a2368
[   57.382376][  T460] FS:  00007f3f51ac3800(0000) GS:ffff8880e3519000(0000) knlGS:0000000000000000
[   57.382865][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.383215][  T460] CR2: 00000000004e7420 CR3: 000000000ea22005 CR4: 0000000000772ef0
[   57.383660][  T460] PKRU: 55555554
[   57.383869][  T460] Call Trace:
[   57.384076][  T460]  <TASK>
[ 57.384217][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.384500][ T460] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.384784][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.385067][ T460] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 57.385346][ T460] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 57.385632][ T460] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 57.385913][ T460] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 57.386194][ T460] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.386540][ T460] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.386826][ T460] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.387100][ T460] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.387379][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.387675][ T460] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 57.387957][ T460] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.388299][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.388581][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.388864][ T460] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.389139][ T460] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.389419][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.389704][ T460] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.389976][ T460] ? __create_object (mm/kmemleak.c:771) 
[ 57.390253][ T460] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.390527][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.390811][ T460] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.391150][ T460] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.391431][ T460] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.391729][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.392012][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.392291][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.392571][ T460] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.392853][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.393128][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.393406][ T460] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.393692][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.393971][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.394249][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.394526][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.394817][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.395103][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.395375][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 57.395669][ T460] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.395948][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.396219][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.396500][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.396788][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.397064][ T460] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.397346][ T460] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.397633][ T460] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.397909][ T460] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.398261][ T460] ___sys_sendmsg (net/socket.c:2670) 
[ 57.398534][ T460] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.398822][ T460] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 57.399167][ T460] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.399448][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.399745][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.400028][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.400303][ T460] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.400578][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.400877][ T460] __sys_sendmsg (net/socket.c:2700) 
[ 57.401150][ T460] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.401488][ T460] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.401782][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.402059][ T460] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.402336][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.402685][  T460] RIP: 0033:0x7f3f51c901e7
[ 57.402974][ T460] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   57.403978][  T460] RSP: 002b:00007fff52c42168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.404391][  T460] RAX: ffffffffffffffda RBX: 00007fff52c42890 RCX: 00007f3f51c901e7
[   57.404814][  T460] RDX: 0000000000000000 RSI: 00007fff52c421d0 RDI: 0000000000000005
[   57.405226][  T460] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   57.405652][  T460] R10: 00007f3f51b8dee8 R11: 0000000000000246 R12: 0000000000000006
[   57.406063][  T460] R13: 00000000686e2c56 R14: 0000000000499600 R15: 0000000000000000
| [   66.187371][  T475] ------------[ cut here ]------------
| [ 66.189135][ T475] WARNING: CPU: 1 PID: 475 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) 
| [   66.189703][  T475] Modules linked in:
| [   66.190496][  T475] Tainted: [W]=WARN
[   66.190723][  T475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 66.191075][ T475] 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) 
[ 66.191361][ T475] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   66.192535][  T475] RSP: 0018:ffffc90001277140 EFLAGS: 00010246
[   66.193028][  T475] RAX: 0000000000000000 RBX: ffff8880056e1000 RCX: 0000000000000001
[   66.193456][  T475] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   66.193997][  T475] RBP: ffffc90001277228 R08: 0000000000000001 R09: fffff5200024edde
[   66.194405][  T475] R10: ffffc90001276ef7 R11: ffff88806ceb9118 R12: 1ffff9200024ee2c
[   66.194826][  T475] R13: 000000000000ffff R14: ffffc90001277880 R15: ffff88800cf183e8
[   66.195242][  T475] FS:  00007fc8024f9800(0000) GS:ffff8880e3419000(0000) knlGS:0000000000000000
[   66.195737][  T475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.196082][  T475] CR2: 00007f1e90122840 CR3: 000000000fc40001 CR4: 0000000000772ef0
[   66.196496][  T475] PKRU: 55555554
[   66.196711][  T475] Call Trace:
[   66.196916][  T475]  <TASK>
[ 66.197057][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.197343][ T475] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 66.197625][ T475] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.197902][ T475] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 66.198179][ T475] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 66.198453][ T475] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 66.198740][ T475] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 66.199019][ T475] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 66.199369][ T475] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 66.199652][ T475] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 66.199926][ T475] ? __kernel_text_address (kernel/extable.c:79) 
[ 66.200203][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.200480][ T475] ? __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) 
[ 66.200763][ T475] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 66.201101][ T475] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.201382][ T475] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.201664][ T475] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 66.201937][ T475] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 66.202211][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.202484][ T475] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 66.202765][ T475] ? __create_object (mm/kmemleak.c:771) 
[ 66.203041][ T475] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 66.203316][ T475] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 66.203614][ T475] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 66.203954][ T475] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 66.204235][ T475] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 66.204517][ T475] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.204801][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.205080][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.205354][ T475] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 66.205636][ T475] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.205911][ T475] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.206185][ T475] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 66.206459][ T475] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.206747][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.207026][ T475] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 66.207302][ T475] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.207577][ T475] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 66.207874][ T475] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 66.208148][ T475] ? 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) 
[ 66.208423][ T475] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 66.208707][ T475] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 66.208980][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.209260][ T475] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.209536][ T475] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 66.209824][ T475] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 66.210106][ T475] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.210382][ T475] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 66.210663][ T475] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 66.211013][ T475] ___sys_sendmsg (net/socket.c:2670) 
[ 66.211288][ T475] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 66.211561][ T475] ? __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) 
[ 66.211916][ T475] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 66.212193][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.212630][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.212915][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.213195][ T475] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 66.213476][ T475] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.213768][ T475] __sys_sendmsg (net/socket.c:2700) 
[ 66.214048][ T475] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 66.214389][ T475] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 66.214685][ T475] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.214964][ T475] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.215244][ T475] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   66.215582][  T475] RIP: 0033:0x7fc8026c61e7
[ 66.215873][ T475] 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)
[   66.216870][  T475] RSP: 002b:00007ffc438f4f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.217285][  T475] RAX: ffffffffffffffda RBX: 00007ffc438f5660 RCX: 00007fc8026c61e7
[   66.217704][  T475] RDX: 0000000000000000 RSI: 00007ffc438f4fa0 RDI: 0000000000000005
[   66.218119][  T475] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   66.218533][  T475] R10: 00007fc8025c3ee8 R11: 0000000000000246 R12: 0000000000000006
[   66.218954][  T475] R13: 00000000686e2c5f R14: 0000000000499600 R15: 0000000000000000
| [   66.845533][  T485] ------------[ cut here ]------------
| [ 66.845957][ T485] WARNING: CPU: 0 PID: 485 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) 
| [   66.846514][  T485] Modules linked in:
| [   66.847299][  T485] Tainted: [W]=WARN
[   66.847510][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 66.847868][ T485] 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) 
[ 66.848158][ T485] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   66.849159][  T485] RSP: 0018:ffffc900012f7140 EFLAGS: 00010246
[   66.849517][  T485] RAX: 0000000000000000 RBX: ffff88800c82c000 RCX: 0000000000000001
[   66.850100][  T485] RDX: 0000000000000000 RSI: ffffffff87510759 RDI: ffffffff86c58280
[   66.850524][  T485] RBP: ffffc900012f7228 R08: 0000000000000001 R09: fffff5200025edde
[   66.850946][  T485] R10: ffffc900012f6ef7 R11: ffff88806ce39118 R12: 1ffff9200025ee2c
[   66.851359][  T485] R13: 000000000000ffff R14: ffffc900012f7880 R15: ffff88800b9bd1e8
[   66.851787][  T485] FS:  00007f5a8f5a4800(0000) GS:ffff8880e3399000(0000) knlGS:0000000000000000
[   66.852276][  T485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.852642][  T485] CR2: 00000000004e7430 CR3: 000000000fc55003 CR4: 0000000000772ef0
[   66.853062][  T485] PKRU: 55555554
[   66.853272][  T485] Call Trace:
[   66.853521][  T485]  <TASK>
[ 66.853675][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.853958][ T485] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 66.854236][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.854514][ T485] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 66.854801][ T485] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 66.855079][ T485] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 66.855363][ T485] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 66.855655][ T485] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 66.856009][ T485] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 66.856291][ T485] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 66.856566][ T485] ? __kernel_text_address (kernel/extable.c:79) 
[ 66.856873][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.857156][ T485] ? __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) 
[ 66.857439][ T485] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 66.857790][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.858077][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.858353][ T485] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 66.858640][ T485] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 66.858925][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.859202][ T485] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 66.859477][ T485] ? __create_object (mm/kmemleak.c:771) 
[ 66.859766][ T485] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 66.860047][ T485] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 66.860332][ T485] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 66.860689][ T485] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 66.860974][ T485] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 66.861256][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.861532][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.861822][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.862100][ T485] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 66.862373][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.862658][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.862934][ T485] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 66.863209][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.863516][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.863810][ T485] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 66.864090][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.864369][ T485] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 66.864672][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 66.864955][ T485] ? 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) 
[ 66.865232][ T485] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 66.865508][ T485] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 66.865790][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.866074][ T485] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.866354][ T485] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 66.866638][ T485] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 66.866922][ T485] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.867199][ T485] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 66.867472][ T485] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 66.867834][ T485] ___sys_sendmsg (net/socket.c:2670) 
[ 66.868111][ T485] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 66.868383][ T485] ? __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) 
[ 66.868745][ T485] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 66.869030][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.869312][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.869597][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.869886][ T485] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 66.870168][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.870454][ T485] __sys_sendmsg (net/socket.c:2700) 
[ 66.870739][ T485] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 66.871082][ T485] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 66.871376][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.871667][ T485] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.871949][ T485] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   66.872289][  T485] RIP: 0033:0x7f5a8f7711e7
[ 66.872573][ T485] 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)
[   66.873623][  T485] RSP: 002b:00007ffeb6a57c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.874040][  T485] RAX: ffffffffffffffda RBX: 00007ffeb6a583c0 RCX: 00007f5a8f7711e7
[   66.874450][  T485] RDX: 0000000000000000 RSI: 00007ffeb6a57d00 RDI: 0000000000000005
[   66.874873][  T485] RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000078
[   66.875296][  T485] R10: 00007f5a8f66eee8 R11: 0000000000000246 R12: 0000000000000006


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