======================================
| 0
| xx__-> [   42.465651][  T621] ------------[ cut here ]------------
| [ 42.466303][ T621] WARNING: CPU: 3 PID: 621 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) 
| [   42.466898][  T621] Modules linked in:
[   42.467897][  T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.468268][ T621] 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) 
[ 42.468565][ T621] 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
[   42.469599][  T621] RSP: 0018:ffffc90001a87140 EFLAGS: 00010246
[   42.469966][  T621] RAX: 0000000000000000 RBX: ffff888007ff1000 RCX: 0000000000000001
[   42.470419][  T621] RDX: 0000000000000000 RSI: ffffffffb0b10759 RDI: ffffffffb0258280
[   42.470864][  T621] RBP: ffffc90001a87228 R08: ffff88800abea000 R09: 0000000000000000
[   42.471310][  T621] R10: ffffc90001a875c8 R11: ffffffffb1e73028 R12: 1ffff92000350e2c
[   42.471746][  T621] R13: 00000000000005dc R14: ffffc90001a87880 R15: ffff888009799c60
[   42.472182][  T621] FS:  00007f8eb1dbf800(0000) GS:ffff8880b9f19000(0000) knlGS:0000000000000000
[   42.472698][  T621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.473069][  T621] CR2: 00000000004e5840 CR3: 00000000097a2006 CR4: 0000000000772ef0
[   42.473520][  T621] PKRU: 55555554
[   42.473745][  T621] Call Trace:
[   42.473963][  T621]  <TASK>
[ 42.474112][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.474417][ T621] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.474704][ T621] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.474999][ T621] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.475299][ T621] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.475590][ T621] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.475887][ T621] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.476184][ T621] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.476563][ T621] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.476868][ T621] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.477155][ T621] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.477458][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.477752][ T621] ? __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) 
[ 42.478043][ T621] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.478410][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.478703][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.478992][ T621] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.479296][ T621] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.479588][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.479879][ T621] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.480168][ T621] ? __create_object (mm/kmemleak.c:771) 
[ 42.480465][ T621] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.480755][ T621] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.481047][ T621] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.481414][ T621] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.481719][ T621] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.482020][ T621] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.482316][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.482613][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.482907][ T621] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.483200][ T621] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.483501][ T621] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.483790][ T621] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.484084][ T621] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.484386][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.484682][ T621] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.484971][ T621] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.485285][ T621] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.485590][ T621] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.485879][ T621] ? 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) 
[ 42.486174][ T621] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.486472][ T621] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.486771][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.487067][ T621] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.487367][ T621] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.487656][ T621] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.487951][ T621] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.488256][ T621] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.488547][ T621] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.488920][ T621] ___sys_sendmsg (net/socket.c:2670) 
[ 42.489208][ T621] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.489508][ T621] ? __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) 
[ 42.489869][ T621] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.490164][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.490463][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.490758][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.491050][ T621] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.491347][ T621] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.491645][ T621] __sys_sendmsg (net/socket.c:2700) 
[ 42.491936][ T621] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.492304][ T621] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.492606][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.492902][ T621] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.493193][ T621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.493558][  T621] RIP: 0033:0x7f8eb1f8c1e7
[ 42.493860][ T621] 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)
[   42.494918][  T621] RSP: 002b:00007ffe881ba4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.495364][  T621] RAX: ffffffffffffffda RBX: 00007ffe881bac00 RCX: 00007f8eb1f8c1e7
[   42.495798][  T621] RDX: 0000000000000000 RSI: 00007ffe881ba540 RDI: 0000000000000005
[   42.496233][  T621] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.496684][  T621] R10: 00007f8eb1e89ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.497130][  T621] R13: 00000000686e2490 R14: 0000000000499600 R15: 0000000000000000
| [   43.729576][  T630] ------------[ cut here ]------------
| [ 43.729878][ T630] WARNING: CPU: 0 PID: 630 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) 
| [   43.730698][  T630] Modules linked in:
| [   43.731479][  T630] Tainted: [W]=WARN
[   43.731690][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.732030][ T630] 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) 
[ 43.732320][ T630] 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
[   43.733305][  T630] RSP: 0018:ffffc90001ab7140 EFLAGS: 00010246
[   43.733656][  T630] RAX: 0000000000000000 RBX: ffff8880077c1000 RCX: 0000000000000001
[   43.734063][  T630] RDX: 0000000000000000 RSI: ffffffffb0b10759 RDI: ffffffffb0258280
[   43.734476][  T630] RBP: ffffc90001ab7228 R08: ffff88800cc98800 R09: 0000000000000000
[   43.734890][  T630] R10: ffffc90001ab75c8 R11: ffffffffb1e73028 R12: 1ffff92000356e2c
[   43.735307][  T630] R13: 00000000000005dc R14: ffffc90001ab7880 R15: ffff88800c71aa60
[   43.735716][  T630] FS:  00007f266e2e1800(0000) GS:ffff8880b9d99000(0000) knlGS:0000000000000000
[   43.736192][  T630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.736542][  T630] CR2: 00000000004e5840 CR3: 000000000bbb2003 CR4: 0000000000772ef0
[   43.736966][  T630] PKRU: 55555554
[   43.737171][  T630] Call Trace:
[   43.737382][  T630]  <TASK>
[ 43.737521][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.737800][ T630] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.738069][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.738352][ T630] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.738629][ T630] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.738900][ T630] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.739175][ T630] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.739460][ T630] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.739805][ T630] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.740077][ T630] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.740354][ T630] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.740633][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.740913][ T630] ? __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) 
[ 43.741188][ T630] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.741535][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.741809][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.742084][ T630] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.742369][ T630] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.742647][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.742920][ T630] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.743193][ T630] ? __create_object (mm/kmemleak.c:771) 
[ 43.743473][ T630] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.743746][ T630] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.744024][ T630] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.744369][ T630] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.744659][ T630] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.744941][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.745213][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.745499][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.745774][ T630] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.746048][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.746331][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.746603][ T630] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.746900][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.747182][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.747468][ T630] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.747741][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.748017][ T630] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.748316][ T630] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.748588][ T630] ? 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) 
[ 43.748868][ T630] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.749146][ T630] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.749428][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.749706][ T630] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.749983][ T630] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.750267][ T630] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.750546][ T630] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.750822][ T630] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.751102][ T630] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.751462][ T630] ___sys_sendmsg (net/socket.c:2670) 
[ 43.751733][ T630] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.752004][ T630] ? __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) 
[ 43.752366][ T630] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.752644][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.752920][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.753202][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.753484][ T630] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.753758][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.754038][ T630] __sys_sendmsg (net/socket.c:2700) 
[ 43.754315][ T630] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.754655][ T630] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.754939][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.755217][ T630] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.755502][ T630] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.755842][  T630] RIP: 0033:0x7f266e4ae1e7
[ 43.756123][ T630] 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)
[   43.757116][  T630] RSP: 002b:00007ffe9e6dc278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.757535][  T630] RAX: ffffffffffffffda RBX: 00007ffe9e6dc9a0 RCX: 00007f266e4ae1e7
[   43.757944][  T630] RDX: 0000000000000000 RSI: 00007ffe9e6dc2e0 RDI: 0000000000000005
[   43.758358][  T630] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.758767][  T630] R10: 00007f266e3abee8 R11: 0000000000000246 R12: 0000000000000004
[   43.759178][  T630] R13: 00000000686e2491 R14: 0000000000499600 R15: 0000000000000000
| [   44.922210][  T639] ------------[ cut here ]------------
| [ 44.922540][ T639] WARNING: CPU: 3 PID: 639 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) 
| [   44.923082][  T639] Modules linked in:
| [   44.923864][  T639] Tainted: [W]=WARN
[   44.924074][  T639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.924424][ T639] 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) 
[ 44.924710][ T639] 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
[   44.925701][  T639] RSP: 0018:ffffc90001b17140 EFLAGS: 00010246
[   44.926047][  T639] RAX: 0000000000000000 RBX: ffff88800a81c000 RCX: 0000000000000001
[   44.926464][  T639] RDX: 0000000000000000 RSI: ffffffffb0b10759 RDI: ffffffffb0258280
[   44.926882][  T639] RBP: ffffc90001b17228 R08: ffff88800eba0800 R09: 0000000000000000
[   44.927303][  T639] R10: ffffc90001b175c8 R11: ffffffffb1e73028 R12: 1ffff92000362e2c
[   44.927713][  T639] R13: 00000000000005dc R14: ffffc90001b17880 R15: ffff88800bd28760
[   44.928132][  T639] FS:  00007fa7762b0800(0000) GS:ffff8880b9f19000(0000) knlGS:0000000000000000
[   44.928941][  T639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.929298][  T639] CR2: 00000000004e5840 CR3: 0000000010f86001 CR4: 0000000000772ef0
[   44.929715][  T639] PKRU: 55555554
[   44.929923][  T639] Call Trace:
[   44.930128][  T639]  <TASK>
[ 44.930274][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.930553][ T639] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.930824][ T639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.931100][ T639] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.931382][ T639] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.931659][ T639] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.931937][ T639] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.932219][ T639] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.932574][ T639] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.932849][ T639] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.933122][ T639] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.933410][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.933687][ T639] ? __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) 
[ 44.933965][ T639] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.934311][ T639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.934586][ T639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.934855][ T639] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.935130][ T639] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.935417][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.935692][ T639] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.935962][ T639] ? __create_object (mm/kmemleak.c:771) 
[ 44.936236][ T639] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.936527][ T639] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.936809][ T639] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.937148][ T639] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.937438][ T639] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.937720][ T639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.937993][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.938278][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.938551][ T639] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.938821][ T639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.939095][ T639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.939373][ T639] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.939648][ T639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.939930][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.940208][ T639] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.940488][ T639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.940762][ T639] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.941045][ T639] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.941322][ T639] ? 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) 
[ 44.941599][ T639] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.941881][ T639] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.942151][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.942435][ T639] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.942712][ T639] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.942985][ T639] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.943275][ T639] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.943550][ T639] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.943825][ T639] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.944175][ T639] ___sys_sendmsg (net/socket.c:2670) 
[ 44.944453][ T639] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.944725][ T639] ? __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) 
[ 44.945063][ T639] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.945359][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.945636][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.945920][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.946194][ T639] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.946476][ T639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.946763][ T639] __sys_sendmsg (net/socket.c:2700) 
[ 44.947032][ T639] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.947379][ T639] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.947665][ T639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.947942][ T639] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.948216][ T639] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.948562][  T639] RIP: 0033:0x7fa77647d1e7
[ 44.948849][ T639] 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)
[   44.949834][  T639] RSP: 002b:00007ffcf1b617e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.950259][  T639] RAX: ffffffffffffffda RBX: 00007ffcf1b61f10 RCX: 00007fa77647d1e7
[   44.950667][  T639] RDX: 0000000000000000 RSI: 00007ffcf1b61850 RDI: 0000000000000005
[   44.951074][  T639] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.951493][  T639] R10: 00007fa77637aee8 R11: 0000000000000246 R12: 0000000000000004
[   44.951907][  T639] R13: 00000000686e2492 R14: 0000000000499600 R15: 0000000000000000
| [   46.150998][  T648] ------------[ cut here ]------------
| [ 46.152841][ T648] WARNING: CPU: 1 PID: 648 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) 
| [   46.153809][  T648] Modules linked in:
| [   46.155144][  T648] Tainted: [W]=WARN
[   46.155520][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.156114][ T648] 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) 
[ 46.156611][ T648] 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
[   46.158328][  T648] RSP: 0018:ffffc90001b57140 EFLAGS: 00010246
[   46.158935][  T648] RAX: 0000000000000000 RBX: ffff8880090b1000 RCX: 0000000000000001
[   46.159677][  T648] RDX: 0000000000000000 RSI: ffffffffb0b10759 RDI: ffffffffb0258280
[   46.160421][  T648] RBP: ffffc90001b57228 R08: ffff88800e532000 R09: 0000000000000000
[   46.161136][  T648] R10: ffffc90001b575c8 R11: ffffffffb1e73028 R12: 1ffff9200036ae2c
[   46.161851][  T648] R13: 00000000000005dc R14: ffffc90001b57880 R15: ffff888005725560
[   46.162573][  T648] FS:  00007f6aa4e6b800(0000) GS:ffff8880b9e19000(0000) knlGS:0000000000000000
[   46.163434][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.164043][  T648] CR2: 00000000004e5840 CR3: 0000000004ea2005 CR4: 0000000000772ef0
[   46.164775][  T648] PKRU: 55555554
[   46.165138][  T648] Call Trace:
[   46.165511][  T648]  <TASK>
[ 46.165752][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.166218][ T648] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.166701][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.167191][ T648] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.167700][ T648] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 46.168186][ T648] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 46.168689][ T648] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 46.169171][ T648] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.169731][ T648] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.170161][ T648] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.170652][ T648] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.171137][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.171645][ T648] ? __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) 
[ 46.172113][ T648] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.172696][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.173161][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.173653][ T648] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.174143][ T648] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.174642][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.175133][ T648] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.175629][ T648] ? __create_object (mm/kmemleak.c:771) 
[ 46.176119][ T648] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.176620][ T648] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.177112][ T648] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.177731][ T648] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.178233][ T648] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.178724][ T648] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.179183][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.179674][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.180157][ T648] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.180648][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.181138][ T648] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.181638][ T648] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.182129][ T648] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.182641][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.183138][ T648] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.183635][ T648] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.184130][ T648] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.184654][ T648] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.185141][ T648] ? 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) 
[ 46.185609][ T648] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 46.186089][ T648] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.186585][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.187089][ T648] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.187595][ T648] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.188080][ T648] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.188587][ T648] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.189073][ T648] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.189560][ T648] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.190182][ T648] ___sys_sendmsg (net/socket.c:2670) 
[ 46.190678][ T648] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.191147][ T648] ? __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) 
[ 46.191645][ T648] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.191928][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.192224][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.192546][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.192821][ T648] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.193099][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.193402][ T648] __sys_sendmsg (net/socket.c:2700) 
[ 46.193675][ T648] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.194014][ T648] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.194319][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.194601][ T648] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.194876][ T648] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.195224][  T648] RIP: 0033:0x7f6aa50381e7
[ 46.195525][ T648] 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)
[   46.196535][  T648] RSP: 002b:00007ffec59e2728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.196957][  T648] RAX: ffffffffffffffda RBX: 00007ffec59e2e50 RCX: 00007f6aa50381e7
[   46.197403][  T648] RDX: 0000000000000000 RSI: 00007ffec59e2790 RDI: 0000000000000005
[   46.197813][  T648] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   46.198231][  T648] R10: 00007f6aa4f35ee8 R11: 0000000000000246 R12: 0000000000000004
[   46.198651][  T648] R13: 00000000686e2493 R14: 0000000000499600 R15: 0000000000000000
| [   50.196092][  T681] ------------[ cut here ]------------
| [ 50.196414][ T681] WARNING: CPU: 0 PID: 681 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) 
| [   50.196967][  T681] Modules linked in:
| [   50.197740][  T681] Tainted: [W]=WARN
[   50.197947][  T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.198296][ T681] 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) 
[ 50.198577][ T681] 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
[   50.199569][  T681] RSP: 0018:ffffc90001c57140 EFLAGS: 00010246
[   50.199918][  T681] RAX: 0000000000000000 RBX: ffff888009c5c000 RCX: 0000000000000001
[   50.200333][  T681] RDX: 0000000000000000 RSI: ffffffffb0b10759 RDI: ffffffffb0258280
[   50.200742][  T681] RBP: ffffc90001c57228 R08: ffff88800ee5a000 R09: 0000000000000000
[   50.201151][  T681] R10: ffffc90001c575c8 R11: ffffffffb1e73028 R12: 1ffff9200038ae2c
[   50.202405][  T681] R13: 00000000000005dc R14: ffffc90001c57880 R15: ffff88800a9c4ae0
[   50.202819][  T681] FS:  00007efee2490800(0000) GS:ffff8880b9d99000(0000) knlGS:0000000000000000
[   50.203312][  T681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.203659][  T681] CR2: 00000000004e5840 CR3: 000000000d0b0006 CR4: 0000000000772ef0
[   50.204071][  T681] PKRU: 55555554
[   50.204284][  T681] Call Trace:
[   50.204487][  T681]  <TASK>
[ 50.204626][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.204907][ T681] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.205178][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.205465][ T681] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 50.205740][ T681] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 50.206016][ T681] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 50.206301][ T681] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 50.206580][ T681] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.206933][ T681] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.207204][ T681] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.207483][ T681] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.207762][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.208041][ T681] ? __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) 
[ 50.208322][ T681] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.208663][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.208938][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.209213][ T681] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.209495][ T681] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.209769][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.210042][ T681] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.210320][ T681] ? __create_object (mm/kmemleak.c:771) 
[ 50.210596][ T681] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.210869][ T681] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.211142][ T681] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.211486][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.211766][ T681] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.212045][ T681] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.212325][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.212604][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.212875][ T681] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.213146][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.213428][ T681] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.213702][ T681] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.213975][ T681] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.214258][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.214536][ T681] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.214808][ T681] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.215082][ T681] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.215373][ T681] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.215644][ T681] ? 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) 
[ 50.215919][ T681] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 50.216195][ T681] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.216489][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.216774][ T681] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.217052][ T681] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.217334][ T681] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.217615][ T681] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.217890][ T681] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.218160][ T681] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.218519][ T681] ___sys_sendmsg (net/socket.c:2670) 
[ 50.218790][ T681] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.219061][ T681] ? __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) 
[ 50.219409][ T681] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.219704][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.219983][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.220273][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.220549][ T681] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.220823][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.221106][ T681] __sys_sendmsg (net/socket.c:2700) 
[ 50.221388][ T681] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.221740][ T681] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.222025][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.222309][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.222584][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.222921][  T681] RIP: 0033:0x7efee265d1e7
[ 50.223205][ T681] 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)
[   50.224186][  T681] RSP: 002b:00007ffc2e3d81f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.224604][  T681] RAX: ffffffffffffffda RBX: 00007ffc2e3d8920 RCX: 00007efee265d1e7
[   50.225012][  T681] RDX: 0000000000000000 RSI: 00007ffc2e3d8260 RDI: 0000000000000005
[   50.225432][  T681] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   50.225846][  T681] R10: 00007efee255aee8 R11: 0000000000000246 R12: 0000000000000004
[   50.226276][  T681] R13: 00000000686e2497 R14: 0000000000499600 R15: 0000000000000000
| [   51.325257][  T690] ------------[ cut here ]------------
| [ 51.325575][ T690] WARNING: CPU: 0 PID: 690 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) 
| [   51.326118][  T690] Modules linked in:
| [   51.328296][  T690] Tainted: [W]=WARN
[   51.328508][  T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.328849][ T690] 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) 
[ 51.329129][ T690] 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
[   51.330122][  T690] RSP: 0018:ffffc90001bb7140 EFLAGS: 00010246
[   51.330484][  T690] RAX: 0000000000000000 RBX: ffff88800e761000 RCX: 0000000000000001
[   51.330895][  T690] RDX: 0000000000000000 RSI: ffffffffb0b10759 RDI: ffffffffb0258280
[   51.331316][  T690] RBP: ffffc90001bb7228 R08: ffff8880094e5000 R09: 0000000000000000
[   51.331728][  T690] R10: ffffc90001bb75c8 R11: ffffffffb1e73028 R12: 1ffff92000376e2c
[   51.332140][  T690] R13: 00000000000005dc R14: ffffc90001bb7880 R15: ffff88800f169fe0
[   51.332558][  T690] FS:  00007f9a825c9800(0000) GS:ffff8880b9d99000(0000) knlGS:0000000000000000
[   51.333042][  T690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.333394][  T690] CR2: 00000000004e5840 CR3: 000000001100f002 CR4: 0000000000772ef0
[   51.333809][  T690] PKRU: 55555554
[   51.334012][  T690] Call Trace:
[   51.334215][  T690]  <TASK>
[ 51.334363][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.334642][ T690] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 51.334912][ T690] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.335190][ T690] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 51.335474][ T690] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 51.335748][ T690] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 51.336026][ T690] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 51.336312][ T690] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 51.336664][ T690] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 51.336946][ T690] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 51.337216][ T690] ? __kernel_text_address (kernel/extable.c:79) 
[ 51.337500][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.337783][ T690] ? __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) 
[ 51.338057][ T690] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 51.338403][ T690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.338681][ T690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.338954][ T690] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 51.339226][ T690] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 51.339509][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.339783][ T690] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 51.340055][ T690] ? __create_object (mm/kmemleak.c:771) 
[ 51.340336][ T690] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 51.340610][ T690] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 51.340884][ T690] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 51.341225][ T690] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 51.341515][ T690] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 51.341794][ T690] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.342070][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.342357][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.342630][ T690] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 51.342900][ T690] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.343177][ T690] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.343455][ T690] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 51.343728][ T690] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.344005][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.344296][ T690] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 51.344571][ T690] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.344843][ T690] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 51.345139][ T690] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 51.345424][ T690] ? 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) 
[ 51.345702][ T690] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 51.345976][ T690] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 51.346268][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.346547][ T690] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.346841][ T690] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 51.347115][ T690] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 51.347404][ T690] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.347680][ T690] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 51.347950][ T690] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 51.348320][ T690] ___sys_sendmsg (net/socket.c:2670) 
[ 51.348593][ T690] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 51.348868][ T690] ? __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) 
[ 51.349210][ T690] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 51.349493][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.349768][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.350047][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.350356][ T690] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 51.350631][ T690] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.350913][ T690] __sys_sendmsg (net/socket.c:2700) 
[ 51.351187][ T690] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 51.351538][ T690] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 51.351823][ T690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.352104][ T690] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.352386][ T690] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.352726][  T690] RIP: 0033:0x7f9a827961e7
[ 51.353008][ T690] 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)
[   51.353993][  T690] RSP: 002b:00007ffe48e29358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   51.354413][  T690] RAX: ffffffffffffffda RBX: 00007ffe48e29a80 RCX: 00007f9a827961e7
[   51.354822][  T690] RDX: 0000000000000000 RSI: 00007ffe48e293c0 RDI: 0000000000000005
[   51.355228][  T690] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   51.355644][  T690] R10: 00007f9a82693ee8 R11: 0000000000000246 R12: 0000000000000004


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