======================================
| [   18.836323][  T291] eth1: renamed from r1h2
| [   21.998144][  T318] ------------[ cut here ]------------
| [ 21.998462][ T318] WARNING: CPU: 3 PID: 318 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) 
| [   21.999939][  T318] Modules linked in:
[   22.000809][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.001173][ T318] 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) 
[ 22.001462][ T318] 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
[   22.002526][  T318] RSP: 0018:ffffc90000c77140 EFLAGS: 00010246
[   22.002893][  T318] RAX: 0000000000000000 RBX: ffff88800b9d1000 RCX: 0000000000000001
[   22.003325][  T318] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[   22.003759][  T318] RBP: ffffc90000c77228 R08: ffff88800d0cd000 R09: 0000000000000000
[   22.004184][  T318] R10: ffffc90000c775c8 R11: ffffffffa1873028 R12: 1ffff9200018ee2c
[   22.004605][  T318] R13: 0000000000000578 R14: ffffc90000c77880 R15: ffff88800dad5560
[   22.005019][  T318] FS:  00007f6b8324f800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[   22.005534][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.005905][  T318] CR2: 00000000004e59f8 CR3: 00000000052c8001 CR4: 0000000000772ef0
[   22.006341][  T318] PKRU: 55555554
[   22.006575][  T318] Call Trace:
[   22.006784][  T318]  <TASK>
[ 22.006927][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.007215][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.007505][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.008079][ T318] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.008365][ T318] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 22.008671][ T318] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.008952][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 22.009234][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.009608][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.009887][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.010159][ T318] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.010436][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.010723][ T318] ? __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) 
[ 22.011015][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.011356][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.011654][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.011955][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.012244][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.012538][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.012814][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.013086][ T318] ? __create_object (mm/kmemleak.c:771) 
[ 22.013363][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.013664][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.013952][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.014312][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.014604][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.014885][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.015173][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.015454][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.015751][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.016044][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.016334][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.016631][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.016934][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.017222][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.017535][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.017822][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.018113][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.018398][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.018688][ T318] ? 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) 
[ 22.018963][ T318] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.019238][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.019518][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.019797][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.020076][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.020354][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.020648][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.020936][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.021210][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.021610][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 22.021904][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.022178][ T318] ? __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) 
[ 22.022528][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.022813][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.023103][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.023397][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.023695][ T318] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.023969][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.024264][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 22.024572][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.024919][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.025230][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.025528][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.025817][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.026167][  T318] RIP: 0033:0x7f6b8341c1e7
[ 22.026475][ T318] 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)
[   22.027519][  T318] RSP: 002b:00007ffed2f027e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.027974][  T318] RAX: ffffffffffffffda RBX: 00007ffed2f02f20 RCX: 00007f6b8341c1e7
[   22.028421][  T318] RDX: 0000000000000000 RSI: 00007ffed2f02850 RDI: 0000000000000005
[   22.028870][  T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   22.029310][  T318] R10: 00007f6b83319498 R11: 0000000000000246 R12: 0000000000000004
[   22.029743][  T318] R13: 00000000686e4fea R14: 0000000000499600 R15: 0000000000000000
| [   34.943247][  T425] ------------[ cut here ]------------
| [ 34.944484][ T425] WARNING: CPU: 0 PID: 425 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.945076][  T425] Modules linked in:
| [   34.945905][  T425] Tainted: [W]=WARN
[   34.946133][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.946499][ T425] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.946806][ T425] 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
[   34.947853][  T425] RSP: 0018:ffffc90000e97140 EFLAGS: 00010246
[   34.948224][  T425] RAX: 0000000000000000 RBX: ffff8880092bc000 RCX: 0000000000000001
[   34.948667][  T425] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[   34.949105][  T425] RBP: ffffc90000e97228 R08: ffff88800dcbb800 R09: 0000000000000000
[   34.949554][  T425] R10: ffffc90000e975c8 R11: ffffffffa1873028 R12: 1ffff920001d2e2c
[   34.949991][  T425] R13: 0000000000000578 R14: ffffc90000e97880 R15: ffff88800a08a6e0
[   34.950424][  T425] FS:  00007f7c43e0d800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[   34.950935][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.951305][  T425] CR2: 00000000004e59f8 CR3: 000000000df80005 CR4: 0000000000772ef0
[   34.951754][  T425] PKRU: 55555554
[   34.951980][  T425] Call Trace:
[   34.952199][  T425]  <TASK>
[ 34.952346][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.952653][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.952945][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.953239][ T425] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.953540][ T425] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.953829][ T425] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.954126][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.954418][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.954793][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.955086][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.955373][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.955676][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.955973][ T425] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.956265][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.956632][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.956923][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.957215][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.957504][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.957806][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.958098][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.958385][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 34.958684][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.958976][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.959268][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.959636][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.959932][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.960231][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.960536][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.960831][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.961120][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.961406][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.961704][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.961997][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.962287][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.962595][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.962892][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.963182][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.963471][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.963797][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.964081][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.964371][ T425] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.964702][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.964992][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.965287][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.965596][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.965883][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.966176][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.966468][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.966760][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.967133][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 34.967422][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.967718][ T425] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.968077][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.968368][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.968664][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.968958][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.969249][ T425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.969547][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.969844][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 34.970128][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.970486][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.970795][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.971087][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.971380][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.971750][  T425] RIP: 0033:0x7f7c43fda1e7
[ 34.972057][ T425] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.973089][  T425] RSP: 002b:00007ffdfb3c87b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.973539][  T425] RAX: ffffffffffffffda RBX: 00007ffdfb3c8ef0 RCX: 00007f7c43fda1e7
[   34.973969][  T425] RDX: 0000000000000000 RSI: 00007ffdfb3c8820 RDI: 0000000000000005
[   34.974399][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   34.974834][  T425] R10: 00007f7c43ed7498 R11: 0000000000000246 R12: 0000000000000004
[   34.975267][  T425] R13: 00000000686e4ff7 R14: 0000000000499600 R15: 0000000000000000
| [   49.393249][  T528] ------------[ cut here ]------------
| [ 49.393673][ T528] WARNING: CPU: 2 PID: 528 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) 
| [   49.394358][  T528] Modules linked in:
| [   49.395694][  T528] Tainted: [W]=WARN
[   49.395943][  T528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.396340][ T528] 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) 
[ 49.396678][ T528] 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
[   49.397774][  T528] RSP: 0018:ffffc900018e7140 EFLAGS: 00010246
[   49.398170][  T528] RAX: 0000000000000000 RBX: ffff888007dd9000 RCX: 0000000000000001
[   49.398643][  T528] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[   49.399121][  T528] RBP: ffffc900018e7228 R08: ffff88800dedd000 R09: 0000000000000000
[   49.399706][  T528] R10: ffffc900018e75c8 R11: ffffffffa1873028 R12: 1ffff9200031ce2c
[   49.400430][  T528] R13: 0000000000000578 R14: ffffc900018e7880 R15: ffff88801152d560
[   49.401162][  T528] FS:  00007f3029977800(0000) GS:ffff8880ca499000(0000) knlGS:0000000000000000
[   49.401883][  T528] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.402329][  T528] CR2: 00000000004e59f8 CR3: 0000000010a61005 CR4: 0000000000772ef0
[   49.402798][  T528] PKRU: 55555554
[   49.403073][  T528] Call Trace:
[   49.403388][  T528]  <TASK>
[ 49.403593][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.403964][ T528] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.404323][ T528] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.404713][ T528] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 49.405037][ T528] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 49.405353][ T528] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 49.405676][ T528] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 49.406000][ T528] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.406398][ T528] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.406810][ T528] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.407142][ T528] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.407455][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.407778][ T528] ? __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) 
[ 49.408169][ T528] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.408691][ T528] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.409027][ T528] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.409392][ T528] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.409808][ T528] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.410208][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.410614][ T528] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.410925][ T528] ? __create_object (mm/kmemleak.c:771) 
[ 49.411343][ T528] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.411676][ T528] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.412018][ T528] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.412493][ T528] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.412896][ T528] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.413235][ T528] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.413716][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.414100][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.414435][ T528] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.414834][ T528] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.415175][ T528] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.415480][ T528] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.415803][ T528] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.416229][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.416731][ T528] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.417146][ T528] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.417477][ T528] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.417873][ T528] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.418196][ T528] ? 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) 
[ 49.418642][ T528] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.419024][ T528] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.419423][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.419788][ T528] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.420163][ T528] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.420566][ T528] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.420883][ T528] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.421213][ T528] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.421624][ T528] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.422038][ T528] ___sys_sendmsg (net/socket.c:2670) 
[ 49.422346][ T528] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.422749][ T528] ? __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) 
[ 49.423237][ T528] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.423654][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.423968][ T528] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.424376][ T528] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.424700][ T528] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.425018][ T528] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.425330][ T528] __sys_sendmsg (net/socket.c:2700) 
[ 49.425714][ T528] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.426130][ T528] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.426558][ T528] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.426949][ T528] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.427300][ T528] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.427783][  T528] RIP: 0033:0x7f3029b441e7
[ 49.428198][ T528] 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)
[   49.429417][  T528] RSP: 002b:00007fff15e583b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.429891][  T528] RAX: ffffffffffffffda RBX: 00007fff15e58af0 RCX: 00007f3029b441e7
[   49.430422][  T528] RDX: 0000000000000000 RSI: 00007fff15e58420 RDI: 0000000000000005
[   49.430886][  T528] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   49.431437][  T528] R10: 00007f3029a41498 R11: 0000000000000246 R12: 0000000000000004
[   49.432040][  T528] R13: 00000000686e5005 R14: 0000000000499600 R15: 0000000000000000
| [   62.811408][  T634] ------------[ cut here ]------------
| [ 62.811741][ T634] WARNING: CPU: 3 PID: 634 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) 
| [   62.812313][  T634] Modules linked in:
| [   62.813115][  T634] Tainted: [W]=WARN
[   62.813328][  T634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.813691][ T634] 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) 
[ 62.813982][ T634] 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
[   62.814993][  T634] RSP: 0018:ffffc90001eb7140 EFLAGS: 00010246
[   62.815345][  T634] RAX: 0000000000000000 RBX: ffff88800b491000 RCX: 0000000000000001
[   62.815778][  T634] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[   62.816196][  T634] RBP: ffffc90001eb7228 R08: ffff88800f76d000 R09: 0000000000000000
[   62.816634][  T634] R10: ffffc90001eb75c8 R11: ffffffffa1873028 R12: 1ffff920003d6e2c
[   62.817057][  T634] R13: 0000000000000578 R14: ffffc90001eb7880 R15: ffff88801152ce60
[   62.817474][  T634] FS:  00007ffae598e800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[   62.817970][  T634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.818332][  T634] CR2: 00000000004e59f8 CR3: 00000000116ae006 CR4: 0000000000772ef0
[   62.818770][  T634] PKRU: 55555554
[   62.818979][  T634] Call Trace:
[   62.819187][  T634]  <TASK>
[ 62.819329][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.819629][ T634] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.819908][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.820189][ T634] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 62.820476][ T634] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 62.820772][ T634] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 62.821057][ T634] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 62.821338][ T634] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.821701][ T634] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.821990][ T634] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.822268][ T634] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.822561][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.822842][ T634] ? __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) 
[ 62.823120][ T634] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.823468][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.823764][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.824041][ T634] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.824322][ T634] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.824616][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.824893][ T634] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.825168][ T634] ? __create_object (mm/kmemleak.c:771) 
[ 62.825449][ T634] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.825737][ T634] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.826029][ T634] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.826373][ T634] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.826666][ T634] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.826949][ T634] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.827225][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.827505][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.827796][ T634] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.828074][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.828351][ T634] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.828648][ T634] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.828927][ T634] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.829207][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.829494][ T634] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.829787][ T634] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.830067][ T634] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.830359][ T634] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.830644][ T634] ? 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) 
[ 62.830924][ T634] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 62.831203][ T634] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.831481][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.831772][ T634] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.832064][ T634] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.832347][ T634] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.832644][ T634] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.832923][ T634] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.833199][ T634] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.833567][ T634] ___sys_sendmsg (net/socket.c:2670) 
[ 62.833844][ T634] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.834118][ T634] ? __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) 
[ 62.834468][ T634] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.834759][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.835040][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.835324][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.835612][ T634] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.835891][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.836175][ T634] __sys_sendmsg (net/socket.c:2700) 
[ 62.836454][ T634] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.836806][ T634] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.837100][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.837376][ T634] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.837665][ T634] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.838009][  T634] RIP: 0033:0x7ffae5b5b1e7
[ 62.838295][ T634] 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)
[   62.839304][  T634] RSP: 002b:00007ffeb2812228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.839732][  T634] RAX: ffffffffffffffda RBX: 00007ffeb2812960 RCX: 00007ffae5b5b1e7
[   62.840149][  T634] RDX: 0000000000000000 RSI: 00007ffeb2812290 RDI: 0000000000000005
[   62.840598][  T634] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   62.841018][  T634] R10: 00007ffae5a58498 R11: 0000000000000246 R12: 0000000000000004
[   62.841432][  T634] R13: 00000000686e5013 R14: 0000000000499600 R15: 0000000000000000
| [   74.827956][  T735] ------------[ cut here ]------------
| [ 74.828329][ T735] WARNING: CPU: 1 PID: 735 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) 
| [   74.828927][  T735] Modules linked in:
| [   74.829769][  T735] Tainted: [W]=WARN
[   74.829993][  T735] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.830361][ T735] 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) 
[ 74.830678][ T735] 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
[   74.831750][  T735] RSP: 0018:ffffc90002367140 EFLAGS: 00010246
[   74.832146][  T735] RAX: 0000000000000000 RBX: ffff888009d29000 RCX: 0000000000000001
[   74.832602][  T735] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[   74.833049][  T735] RBP: ffffc90002367228 R08: ffff88800a366800 R09: 0000000000000000
[   74.833491][  T735] R10: ffffc900023675c8 R11: ffffffffa1873028 R12: 1ffff9200046ce2c
[   74.833949][  T735] R13: 0000000000000578 R14: ffffc90002367880 R15: ffff88800cc66de0
[   74.834400][  T735] FS:  00007f287a3c9800(0000) GS:ffff8880ca419000(0000) knlGS:0000000000000000
[   74.834929][  T735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.835306][  T735] CR2: 00000000004e59f8 CR3: 000000000dcc8003 CR4: 0000000000772ef0
[   74.835765][  T735] PKRU: 55555554
[   74.835988][  T735] Call Trace:
[   74.836210][  T735]  <TASK>
[ 74.836359][ T735] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.836678][ T735] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.836974][ T735] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.837274][ T735] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 74.837588][ T735] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 74.837879][ T735] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 74.838182][ T735] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 74.838493][ T735] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.838882][ T735] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.839176][ T735] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.839463][ T735] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.839766][ T735] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.840066][ T735] ? __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) 
[ 74.840362][ T735] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.840740][ T735] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.841041][ T735] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.841332][ T735] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.841645][ T735] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.841942][ T735] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.842261][ T735] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.842565][ T735] ? __create_object (mm/kmemleak.c:771) 
[ 74.842864][ T735] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.843163][ T735] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.843453][ T735] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.843822][ T735] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.844118][ T735] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.844425][ T735] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.844727][ T735] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.845024][ T735] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.845315][ T735] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.845614][ T735] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.845911][ T735] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.846206][ T735] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.846507][ T735] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.846825][ T735] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.847122][ T735] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.847418][ T735] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.847721][ T735] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.848021][ T735] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.848309][ T735] ? 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) 
[ 74.848613][ T735] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.848914][ T735] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.849205][ T735] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.849505][ T735] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.849835][ T735] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.850124][ T735] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.850418][ T735] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.850724][ T735] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.851019][ T735] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.851390][ T735] ___sys_sendmsg (net/socket.c:2670) 
[ 74.851694][ T735] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.851994][ T735] ? __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) 
[ 74.852359][ T735] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.852673][ T735] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.852976][ T735] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.853280][ T735] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.853585][ T735] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.853872][ T735] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.854169][ T735] __sys_sendmsg (net/socket.c:2700) 
[ 74.854458][ T735] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.854827][ T735] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.855135][ T735] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.855431][ T735] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.855744][ T735] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.856103][  T735] RIP: 0033:0x7f287a5961e7
[ 74.856400][ T735] 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)
[   74.857457][  T735] RSP: 002b:00007fff00e736c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.857920][  T735] RAX: ffffffffffffffda RBX: 00007fff00e73e00 RCX: 00007f287a5961e7
[   74.858363][  T735] RDX: 0000000000000000 RSI: 00007fff00e73730 RDI: 0000000000000005
[   74.858809][  T735] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   74.859248][  T735] R10: 00007f287a493498 R11: 0000000000000246 R12: 0000000000000004
[   74.859707][  T735] R13: 00000000686e501f R14: 0000000000499600 R15: 0000000000000000
| [   89.021899][  T842] ------------[ cut here ]------------
| [ 89.022220][ T842] WARNING: CPU: 0 PID: 842 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) 
| [   89.022783][  T842] Modules linked in:
| [   89.023565][  T842] Tainted: [W]=WARN
[   89.023776][  T842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 89.024120][ T842] 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) 
[ 89.024409][ T842] 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
[   89.025408][  T842] RSP: 0018:ffffc90002857140 EFLAGS: 00010246
[   89.025767][  T842] RAX: 0000000000000000 RBX: ffff88800f6c9000 RCX: 0000000000000001
[   89.026183][  T842] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[   89.027009][  T842] RBP: ffffc90002857228 R08: ffff88800aff3800 R09: 0000000000000000
[   89.027428][  T842] R10: ffffc900028575c8 R11: ffffffffa1873028 R12: 1ffff9200050ae2c
[   89.027852][  T842] R13: 0000000000000578 R14: ffffc90002857880 R15: ffff888010805c60
[   89.028268][  T842] FS:  00007f24fc1e4800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[   89.028768][  T842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.029123][  T842] CR2: 00000000004e59f8 CR3: 000000000a1b4005 CR4: 0000000000772ef0
[   89.029548][  T842] PKRU: 55555554
[   89.029757][  T842] Call Trace:
[   89.029963][  T842]  <TASK>
[ 89.030104][ T842] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.030387][ T842] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 89.030669][ T842] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.030950][ T842] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 89.031232][ T842] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 89.031508][ T842] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 89.031806][ T842] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 89.032099][ T842] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 89.032455][ T842] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 89.032746][ T842] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 89.033020][ T842] ? __kernel_text_address (kernel/extable.c:79) 
[ 89.033300][ T842] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.033589][ T842] ? __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) 
[ 89.033872][ T842] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 89.034223][ T842] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.034501][ T842] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.034789][ T842] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 89.035068][ T842] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 89.035345][ T842] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.035632][ T842] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 89.035908][ T842] ? __create_object (mm/kmemleak.c:771) 
[ 89.036185][ T842] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 89.036465][ T842] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 89.036752][ T842] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 89.037095][ T842] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 89.037377][ T842] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 89.037669][ T842] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.037947][ T842] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.038229][ T842] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.038506][ T842] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 89.038800][ T842] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.039078][ T842] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.039352][ T842] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 89.039639][ T842] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.039920][ T842] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.040207][ T842] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 89.040482][ T842] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.040771][ T842] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 89.041059][ T842] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 89.041334][ T842] ? 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) 
[ 89.041621][ T842] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 89.041901][ T842] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 89.042183][ T842] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.042463][ T842] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 89.042756][ T842] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 89.043034][ T842] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 89.043319][ T842] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 89.043606][ T842] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 89.043882][ T842] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 89.044236][ T842] ___sys_sendmsg (net/socket.c:2670) 
[ 89.044508][ T842] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 89.044800][ T842] ? __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) 
[ 89.045145][ T842] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 89.045426][ T842] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.045729][ T842] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.046013][ T842] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.046291][ T842] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 89.046576][ T842] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.046867][ T842] __sys_sendmsg (net/socket.c:2700) 
[ 89.047143][ T842] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 89.047485][ T842] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 89.047782][ T842] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.048060][ T842] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 89.048336][ T842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   89.048686][  T842] RIP: 0033:0x7f24fc3b11e7
[ 89.048971][ T842] 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)
[   89.049973][  T842] RSP: 002b:00007ffd429ca978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   89.050390][  T842] RAX: ffffffffffffffda RBX: 00007ffd429cb0b0 RCX: 00007f24fc3b11e7
[   89.050814][  T842] RDX: 0000000000000000 RSI: 00007ffd429ca9e0 RDI: 0000000000000005
[   89.051231][  T842] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   89.051656][  T842] R10: 00007f24fc2ae498 R11: 0000000000000246 R12: 0000000000000004
[   89.052076][  T842] R13: 00000000686e502d R14: 0000000000499600 R15: 0000000000000000
| [  101.818386][  T941] ------------[ cut here ]------------
| [ 101.820249][ T941] WARNING: CPU: 3 PID: 941 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) 
| [  101.820879][  T941] Modules linked in:
| [  101.821744][  T941] Tainted: [W]=WARN
[  101.821975][  T941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 101.822368][ T941] 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) 
[ 101.822701][ T941] 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
[  101.823782][  T941] RSP: 0018:ffffc90002d56ef0 EFLAGS: 00010246
[  101.824164][  T941] RAX: 0000000000000000 RBX: ffff8880056ba000 RCX: 0000000000000001
[  101.824658][  T941] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  101.825111][  T941] RBP: ffffc90002d56fd8 R08: 0000000000000000 R09: 0000000000000000
[  101.825582][  T941] R10: ffffc90002d57008 R11: ffffffffa0f8d1e0 R12: 1ffff920005aade2
[  101.826031][  T941] R13: 00000000000005dc R14: ffffc90002d57008 R15: ffff8880056baf48
[  101.826478][  T941] FS:  00007efc8cb99800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[  101.827025][  T941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.827402][  T941] CR2: 00000000004e59f0 CR3: 000000000ad38002 CR4: 0000000000772ef0
[  101.827873][  T941] PKRU: 55555554
[  101.828097][  T941] Call Trace:
[  101.828320][  T941]  <TASK>
[ 101.828479][ T941] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 101.828801][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.829111][ T941] netif_set_mtu (net/core/dev.c:9652) 
[ 101.829407][ T941] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 101.829747][ T941] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.829978][ T941] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 101.830280][ T941] br_add_if (net/bridge/br_if.c:697) 
[ 101.830535][ T941] do_set_master (net/core/rtnetlink.c:2948) 
[ 101.830835][ T941] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 101.831139][ T941] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 101.831441][ T941] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 101.831845][ T941] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 101.832153][ T941] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 101.832449][ T941] ? __kernel_text_address (kernel/extable.c:79) 
[ 101.832779][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.833082][ T941] ? __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) 
[ 101.833379][ T941] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 101.833785][ T941] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.834086][ T941] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.834384][ T941] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 101.834703][ T941] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 101.835004][ T941] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.835299][ T941] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 101.835618][ T941] ? __create_object (mm/kmemleak.c:771) 
[ 101.835921][ T941] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 101.836222][ T941] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 101.836541][ T941] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 101.836914][ T941] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 101.837221][ T941] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 101.837549][ T941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.837859][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.838162][ T941] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.838466][ T941] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 101.838778][ T941] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.839079][ T941] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.839380][ T941] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 101.839703][ T941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.840006][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.840308][ T941] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 101.840626][ T941] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.840926][ T941] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 101.841234][ T941] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 101.841555][ T941] ? 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) 
[ 101.841864][ T941] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 101.842177][ T941] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 101.842475][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.842802][ T941] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 101.843103][ T941] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 101.843402][ T941] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 101.843730][ T941] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 101.844037][ T941] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 101.844334][ T941] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 101.844737][ T941] ___sys_sendmsg (net/socket.c:2670) 
[ 101.845034][ T941] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 101.845328][ T941] ? __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) 
[ 101.845726][ T941] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 101.846029][ T941] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.846327][ T941] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.846648][ T941] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.846947][ T941] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 101.847245][ T941] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.847570][ T941] __sys_sendmsg (net/socket.c:2700) 
[ 101.847868][ T941] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 101.848236][ T941] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 101.848566][ T941] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.848866][ T941] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 101.849163][ T941] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  101.849558][  T941] RIP: 0033:0x7efc8cd661e7
[ 101.849868][ T941] 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)
[  101.851176][  T941] RSP: 002b:00007ffc064c1fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  101.851647][  T941] RAX: ffffffffffffffda RBX: 00007ffc064c26f0 RCX: 00007efc8cd661e7
[  101.852110][  T941] RDX: 0000000000000000 RSI: 00007ffc064c2020 RDI: 0000000000000005
[  101.852791][  T941] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  101.853236][  T941] R10: 0000000014f66910 R11: 0000000000000246 R12: 0000000000000004
[  101.853809][  T941] R13: 00000000686e503a R14: 0000000000499600 R15: 0000000000000000
| [  101.996279][  T942] ------------[ cut here ]------------
| [ 101.996612][ T942] WARNING: CPU: 3 PID: 942 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) 
| [  101.997197][  T942] Modules linked in:
| [  101.998081][  T942] Tainted: [W]=WARN
[  101.998308][  T942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 101.998705][ T942] 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) 
[ 101.999021][ T942] 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
[  102.000114][  T942] RSP: 0018:ffffc90002d66ef0 EFLAGS: 00010246
[  102.000491][  T942] RAX: 0000000000000000 RBX: ffff8880056ba000 RCX: 0000000000000001
[  102.000962][  T942] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  102.001412][  T942] RBP: ffffc90002d66fd8 R08: 0000000000000000 R09: 0000000000000000
[  102.001879][  T942] R10: ffffc90002d67008 R11: ffffffffa18ceab8 R12: 1ffff920005acde2
[  102.002334][  T942] R13: 00000000000005dc R14: ffffc90002d67008 R15: ffff8880056baf48
[  102.003014][  T942] FS:  00007fbac0356800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[  102.003764][  T942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.004145][  T942] CR2: 00000000004e59f8 CR3: 0000000002701003 CR4: 0000000000772ef0
[  102.004739][  T942] PKRU: 55555554
[  102.004964][  T942] Call Trace:
[  102.005186][  T942]  <TASK>
[ 102.005341][ T942] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 102.005758][ T942] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 102.006062][ T942] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 102.006435][ T942] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 102.006755][ T942] netif_set_mtu (net/core/dev.c:9652) 
[ 102.007063][ T942] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 102.007370][ T942] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 102.007753][ T942] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 102.007981][ T942] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 102.008285][ T942] br_add_if (net/bridge/br_if.c:697) 
[ 102.008536][ T942] do_set_master (net/core/rtnetlink.c:2948) 
[ 102.008843][ T942] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 102.009144][ T942] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 102.009447][ T942] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 102.009831][ T942] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 102.010129][ T942] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 102.010426][ T942] ? __kernel_text_address (kernel/extable.c:79) 
[ 102.010755][ T942] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.011061][ T942] ? __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) 
[ 102.011360][ T942] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 102.011737][ T942] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.012046][ T942] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.012342][ T942] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 102.012657][ T942] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 102.012955][ T942] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.013253][ T942] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 102.013556][ T942] ? __create_object (mm/kmemleak.c:771) 
[ 102.013856][ T942] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 102.014156][ T942] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 102.014451][ T942] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 102.014835][ T942] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 102.015145][ T942] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 102.015446][ T942] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.015751][ T942] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.016054][ T942] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.016351][ T942] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 102.016656][ T942] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.016956][ T942] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.017253][ T942] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 102.017566][ T942] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.017868][ T942] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.018170][ T942] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 102.018466][ T942] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.018777][ T942] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 102.019092][ T942] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 102.019390][ T942] ? 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) 
[ 102.019699][ T942] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 102.019999][ T942] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 102.020295][ T942] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.020606][ T942] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 102.020908][ T942] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 102.021204][ T942] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 102.021507][ T942] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 102.021821][ T942] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 102.022125][ T942] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 102.022507][ T942] ___sys_sendmsg (net/socket.c:2670) 
[ 102.022825][ T942] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 102.023119][ T942] ? __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) 
[ 102.023489][ T942] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 102.023802][ T942] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.024106][ T942] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.024409][ T942] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.024718][ T942] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 102.025017][ T942] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.025320][ T942] __sys_sendmsg (net/socket.c:2700) 
[ 102.025623][ T942] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 102.025994][ T942] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 102.026306][ T942] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.026618][ T942] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 102.026923][ T942] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  102.027293][  T942] RIP: 0033:0x7fbac05231e7
[ 102.027606][ T942] 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)
[  102.028679][  T942] RSP: 002b:00007fff63bc3028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  102.029127][  T942] RAX: ffffffffffffffda RBX: 00007fff63bc3760 RCX: 00007fbac05231e7
[  102.029577][  T942] RDX: 0000000000000000 RSI: 00007fff63bc3090 RDI: 0000000000000005
[  102.030022][  T942] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  102.030466][  T942] R10: 00000000060b4910 R11: 0000000000000246 R12: 0000000000000004
[  102.030923][  T942] R13: 00000000686e503a R14: 0000000000499600 R15: 0000000000000000
| [  102.905414][  T949] ------------[ cut here ]------------
| [ 102.905742][ T949] WARNING: CPU: 3 PID: 949 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) 
| [  102.906330][  T949] Modules linked in:
| [  102.907180][  T949] Tainted: [W]=WARN
[  102.907406][  T949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 102.907796][ T949] 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) 
[ 102.908102][ T949] 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
[  102.909171][  T949] RSP: 0018:ffffc90002d96ef0 EFLAGS: 00010246
[  102.909560][  T949] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[  102.910045][  T949] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  102.910489][  T949] RBP: ffffc90002d96fd8 R08: 0000000000000000 R09: 0000000000000000
[  102.910946][  T949] R10: ffffc90002d97008 R11: ffffffffa0f8d1e0 R12: 1ffff920005b2de2
[  102.911392][  T949] R13: 00000000000005dc R14: ffffc90002d97008 R15: ffff88800b9baf48
[  102.911850][  T949] FS:  00007fd927916800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[  102.912393][  T949] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.912776][  T949] CR2: 00000000004e59f0 CR3: 0000000002110006 CR4: 0000000000772ef0
[  102.913226][  T949] PKRU: 55555554
[  102.913447][  T949] Call Trace:
[  102.913693][  T949]  <TASK>
[ 102.913886][ T949] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 102.914187][ T949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.914500][ T949] netif_set_mtu (net/core/dev.c:9652) 
[ 102.914949][ T949] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 102.915267][ T949] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 102.915494][ T949] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 102.915939][ T949] br_add_if (net/bridge/br_if.c:697) 
[ 102.916175][ T949] do_set_master (net/core/rtnetlink.c:2948) 
[ 102.916476][ T949] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 102.916914][ T949] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 102.917218][ T949] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 102.917747][ T949] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 102.918052][ T949] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 102.918347][ T949] ? __kernel_text_address (kernel/extable.c:79) 
[ 102.918668][ T949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.918972][ T949] ? __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) 
[ 102.919270][ T949] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 102.919663][ T949] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.919967][ T949] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.920262][ T949] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 102.920567][ T949] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 102.920865][ T949] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.921166][ T949] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 102.921461][ T949] ? __create_object (mm/kmemleak.c:771) 
[ 102.921782][ T949] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 102.922118][ T949] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 102.922418][ T949] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 102.922798][ T949] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 102.923110][ T949] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 102.923418][ T949] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.923725][ T949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.924031][ T949] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.924329][ T949] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 102.924632][ T949] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.924934][ T949] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.925229][ T949] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 102.925556][ T949] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.925897][ T949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.926202][ T949] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 102.926501][ T949] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.926815][ T949] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 102.927132][ T949] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 102.927429][ T949] ? 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) 
[ 102.927737][ T949] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 102.928043][ T949] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 102.928339][ T949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.928649][ T949] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 102.928951][ T949] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 102.929249][ T949] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 102.929579][ T949] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 102.929904][ T949] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 102.930203][ T949] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 102.930600][ T949] ___sys_sendmsg (net/socket.c:2670) 
[ 102.930904][ T949] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 102.931201][ T949] ? __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) 
[ 102.931583][ T949] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 102.931886][ T949] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.932198][ T949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.932505][ T949] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.932847][ T949] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 102.933143][ T949] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.933446][ T949] __sys_sendmsg (net/socket.c:2700) 
[ 102.933767][ T949] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 102.934165][ T949] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 102.934477][ T949] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.934792][ T949] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 102.935106][ T949] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  102.935474][  T949] RIP: 0033:0x7fd927ae31e7
[ 102.935793][ T949] 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)
[  102.936864][  T949] RSP: 002b:00007ffc137709e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  102.937320][  T949] RAX: ffffffffffffffda RBX: 00007ffc13771120 RCX: 00007fd927ae31e7
[  102.937790][  T949] RDX: 0000000000000000 RSI: 00007ffc13770a50 RDI: 0000000000000005
[  102.938266][  T949] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  102.938727][  T949] R10: 0000000019e62910 R11: 0000000000000246 R12: 0000000000000004
[  102.939179][  T949] R13: 00000000686e503b R14: 0000000000499600 R15: 0000000000000000
| [  103.087788][  T950] ------------[ cut here ]------------
| [ 103.088091][ T950] WARNING: CPU: 0 PID: 950 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) 
| [  103.088696][  T950] Modules linked in:
| [  103.089546][  T950] Tainted: [W]=WARN
[  103.089771][  T950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 103.090142][ T950] 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) 
[ 103.090447][ T950] 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
[  103.091524][  T950] RSP: 0018:ffffc90002da6ef0 EFLAGS: 00010246
[  103.091900][  T950] RAX: 0000000000000000 RBX: ffff88800b9ba000 RCX: 0000000000000001
[  103.092355][  T950] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  103.092820][  T950] RBP: ffffc90002da6fd8 R08: 0000000000000000 R09: 0000000000000000
[  103.093271][  T950] R10: ffffc90002da7008 R11: ffffffffa18ceab8 R12: 1ffff920005b4de2
[  103.093904][  T950] R13: 00000000000005dc R14: ffffc90002da7008 R15: ffff88800b9baf48
[  103.094350][  T950] FS:  00007fb5d6a75800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[  103.095071][  T950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.095452][  T950] CR2: 00000000004e59f8 CR3: 0000000004e8b002 CR4: 0000000000772ef0
[  103.096001][  T950] PKRU: 55555554
[  103.096228][  T950] Call Trace:
[  103.096449][  T950]  <TASK>
[ 103.096623][ T950] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 103.096928][ T950] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 103.097232][ T950] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 103.097614][ T950] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 103.097919][ T950] netif_set_mtu (net/core/dev.c:9652) 
[ 103.098214][ T950] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 103.098532][ T950] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 103.098906][ T950] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 103.099132][ T950] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 103.099433][ T950] br_add_if (net/bridge/br_if.c:697) 
[ 103.099680][ T950] do_set_master (net/core/rtnetlink.c:2948) 
[ 103.099984][ T950] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 103.100283][ T950] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 103.100603][ T950] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 103.100979][ T950] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 103.101274][ T950] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 103.101578][ T950] ? __kernel_text_address (kernel/extable.c:79) 
[ 103.101878][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.102186][ T950] ? __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) 
[ 103.102484][ T950] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 103.102866][ T950] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.103164][ T950] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.103458][ T950] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 103.103763][ T950] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 103.104060][ T950] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.104363][ T950] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 103.104674][ T950] ? __create_object (mm/kmemleak.c:771) 
[ 103.104974][ T950] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 103.105270][ T950] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 103.105578][ T950] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 103.105948][ T950] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 103.106251][ T950] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 103.106561][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.106860][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.107162][ T950] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.107458][ T950] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 103.107762][ T950] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.108060][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.108355][ T950] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 103.108671][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.108977][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.109276][ T950] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 103.109584][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.109884][ T950] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 103.110190][ T950] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 103.110484][ T950] ? 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) 
[ 103.110793][ T950] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 103.111096][ T950] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 103.111390][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.111699][ T950] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 103.112007][ T950] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 103.112307][ T950] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 103.112630][ T950] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 103.112930][ T950] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 103.113226][ T950] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 103.113625][ T950] ___sys_sendmsg (net/socket.c:2670) 
[ 103.113921][ T950] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 103.114214][ T950] ? __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) 
[ 103.114592][ T950] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 103.114900][ T950] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.115198][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.115501][ T950] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.115809][ T950] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 103.116108][ T950] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.116411][ T950] __sys_sendmsg (net/socket.c:2700) 
[ 103.116722][ T950] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 103.117089][ T950] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 103.117396][ T950] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.117706][ T950] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 103.118011][ T950] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  103.118376][  T950] RIP: 0033:0x7fb5d6c421e7
[ 103.118691][ T950] 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)
[  103.119754][  T950] RSP: 002b:00007ffe4699a088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  103.120201][  T950] RAX: ffffffffffffffda RBX: 00007ffe4699a7c0 RCX: 00007fb5d6c421e7
[  103.120661][  T950] RDX: 0000000000000000 RSI: 00007ffe4699a0f0 RDI: 0000000000000005
[  103.121105][  T950] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  103.121557][  T950] R10: 000000001087a910 R11: 0000000000000246 R12: 0000000000000004
[  103.122012][  T950] R13: 00000000686e503b R14: 0000000000499600 R15: 0000000000000000
| [  105.356134][  T969] ------------[ cut here ]------------
| [ 105.356443][ T969] WARNING: CPU: 0 PID: 969 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) 
| [  105.358011][  T969] Modules linked in:
| [  105.358793][  T969] Tainted: [W]=WARN
[  105.359002][  T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.359345][ T969] 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) 
[ 105.359641][ T969] 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
[  105.360632][  T969] RSP: 0018:ffffc90002e67140 EFLAGS: 00010246
[  105.360978][  T969] RAX: 0000000000000000 RBX: ffff888009979000 RCX: 0000000000000001
[  105.361389][  T969] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  105.361808][  T969] RBP: ffffc90002e67228 R08: ffff88800da26800 R09: 0000000000000000
[  105.362231][  T969] R10: ffffc90002e675c8 R11: ffffffffa1873028 R12: 1ffff920005cce2c
[  105.362648][  T969] R13: 0000000000000578 R14: ffffc90002e67880 R15: ffff888009be0ae0
[  105.363058][  T969] FS:  00007f71e6a63800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[  105.363547][  T969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.363894][  T969] CR2: 00000000004e59f8 CR3: 0000000011487002 CR4: 0000000000772ef0
[  105.364312][  T969] PKRU: 55555554
[  105.364545][  T969] Call Trace:
[  105.364750][  T969]  <TASK>
[ 105.364891][ T969] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.365170][ T969] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.365443][ T969] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.365728][ T969] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 105.366006][ T969] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 105.366282][ T969] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 105.366567][ T969] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 105.366846][ T969] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 105.367192][ T969] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 105.367464][ T969] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 105.367743][ T969] ? __kernel_text_address (kernel/extable.c:79) 
[ 105.368022][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.368297][ T969] ? __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) 
[ 105.368578][ T969] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 105.368919][ T969] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.369195][ T969] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.369465][ T969] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 105.369747][ T969] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 105.370023][ T969] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.370298][ T969] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.370578][ T969] ? __create_object (mm/kmemleak.c:771) 
[ 105.370855][ T969] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 105.371131][ T969] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 105.371404][ T969] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 105.371753][ T969] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 105.372040][ T969] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.372327][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.372608][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.372889][ T969] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.373163][ T969] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.373435][ T969] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.373722][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.373993][ T969] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.374268][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.374552][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.374836][ T969] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.375109][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.375384][ T969] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.375678][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.375953][ T969] ? 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) 
[ 105.376229][ T969] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.376506][ T969] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.376791][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.377069][ T969] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.377349][ T969] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.377633][ T969] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.377920][ T969] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.378195][ T969] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.378467][ T969] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.378839][ T969] ___sys_sendmsg (net/socket.c:2670) 
[ 105.379111][ T969] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 105.379381][ T969] ? __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) 
[ 105.379730][ T969] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.380013][ T969] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.380289][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.380576][ T969] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.380850][ T969] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 105.381121][ T969] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.381403][ T969] __sys_sendmsg (net/socket.c:2700) 
[ 105.381683][ T969] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 105.382032][ T969] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.382322][ T969] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.382605][ T969] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.382881][ T969] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.383220][  T969] RIP: 0033:0x7f71e6c301e7
[ 105.383501][ T969] 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)
[  105.384491][  T969] RSP: 002b:00007ffcf5b7aff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.384912][  T969] RAX: ffffffffffffffda RBX: 00007ffcf5b7b730 RCX: 00007f71e6c301e7
[  105.385323][  T969] RDX: 0000000000000000 RSI: 00007ffcf5b7b060 RDI: 0000000000000005
[  105.385939][  T969] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  105.386355][  T969] R10: 00007f71e6b2d498 R11: 0000000000000246 R12: 0000000000000004
[  105.386967][  T969] R13: 00000000686e503d R14: 0000000000499600 R15: 0000000000000000
| [  118.233553][ T1077] ------------[ cut here ]------------
| [ 118.233858][ T1077] WARNING: CPU: 0 PID: 1077 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) 
| [  118.234453][ T1077] Modules linked in:
| [  118.235296][ T1077] Tainted: [W]=WARN
[  118.235545][ T1077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.235924][ T1077] 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) 
[ 118.236234][ T1077] 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
[  118.237468][ T1077] RSP: 0018:ffffc90003286ef0 EFLAGS: 00010246
[  118.237868][ T1077] RAX: 0000000000000000 RBX: ffff88800dda2000 RCX: 0000000000000001
[  118.238318][ T1077] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  118.238772][ T1077] RBP: ffffc90003286fd8 R08: 0000000000000000 R09: 0000000000000000
[  118.239230][ T1077] R10: ffffc90003287008 R11: ffffffffa0f8d1e0 R12: 1ffff92000650de2
[  118.239692][ T1077] R13: 00000000000005dc R14: ffffc90003287008 R15: ffff88800dda2f48
[  118.240149][ T1077] FS:  00007f69c8f16800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[  118.240695][ T1077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.241085][ T1077] CR2: 00000000004e59f0 CR3: 0000000002747002 CR4: 0000000000772ef0
[  118.241558][ T1077] PKRU: 55555554
[  118.241789][ T1077] Call Trace:
[  118.242010][ T1077]  <TASK>
[ 118.242183][ T1077] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.242494][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.242828][ T1077] netif_set_mtu (net/core/dev.c:9652) 
[ 118.243136][ T1077] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.243460][ T1077] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.243706][ T1077] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 118.244020][ T1077] br_add_if (net/bridge/br_if.c:697) 
[ 118.244265][ T1077] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.244577][ T1077] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 118.244892][ T1077] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 118.245204][ T1077] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 118.245607][ T1077] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 118.245911][ T1077] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 118.246217][ T1077] ? __kernel_text_address (kernel/extable.c:79) 
[ 118.246545][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.246852][ T1077] ? __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) 
[ 118.247164][ T1077] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 118.247563][ T1077] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.247880][ T1077] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.248181][ T1077] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 118.248479][ T1077] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 118.248794][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.249090][ T1077] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.249380][ T1077] ? __create_object (mm/kmemleak.c:771) 
[ 118.249682][ T1077] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 118.249978][ T1077] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 118.250280][ T1077] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 118.250661][ T1077] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 118.250968][ T1077] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.251272][ T1077] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.251597][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.251903][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.252232][ T1077] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.252547][ T1077] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.252868][ T1077] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.253170][ T1077] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.253476][ T1077] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.253792][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.254112][ T1077] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.254405][ T1077] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.254713][ T1077] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.255018][ T1077] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.255310][ T1077] ? 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) 
[ 118.255635][ T1077] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 118.255932][ T1077] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.256255][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.256566][ T1077] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.256868][ T1077] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.257178][ T1077] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.257491][ T1077] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.257803][ T1077] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.258114][ T1077] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.258502][ T1077] ___sys_sendmsg (net/socket.c:2670) 
[ 118.258820][ T1077] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 118.259118][ T1077] ? __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) 
[ 118.259493][ T1077] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.259813][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.260123][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.260426][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.260747][ T1077] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 118.261047][ T1077] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.261375][ T1077] __sys_sendmsg (net/socket.c:2700) 
[ 118.261680][ T1077] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 118.262055][ T1077] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.262375][ T1077] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.262698][ T1077] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.263008][ T1077] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.263372][ T1077] RIP: 0033:0x7f69c90e31e7
[ 118.263689][ T1077] 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)
[  118.264789][ T1077] RSP: 002b:00007fff3e9ed5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.265259][ T1077] RAX: ffffffffffffffda RBX: 00007fff3e9edd30 RCX: 00007f69c90e31e7
[  118.265723][ T1077] RDX: 0000000000000000 RSI: 00007fff3e9ed660 RDI: 0000000000000005
[  118.266175][ T1077] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  118.266648][ T1077] R10: 0000000014af0910 R11: 0000000000000246 R12: 0000000000000004
[  118.267102][ T1077] R13: 00000000686e504a R14: 0000000000499600 R15: 0000000000000000
| [  118.400333][ T1078] ------------[ cut here ]------------
| [ 118.400642][ T1078] WARNING: CPU: 3 PID: 1078 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) 
| [  118.401226][ T1078] Modules linked in:
| [  118.402077][ T1078] Tainted: [W]=WARN
[  118.402304][ T1078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.402691][ T1078] 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) 
[ 118.402999][ T1078] 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
[  118.404070][ T1078] RSP: 0018:ffffc90003296ef0 EFLAGS: 00010246
[  118.404446][ T1078] RAX: 0000000000000000 RBX: ffff88800dda2000 RCX: 0000000000000001
[  118.404903][ T1078] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  118.405348][ T1078] RBP: ffffc90003296fd8 R08: 0000000000000000 R09: 0000000000000000
[  118.405805][ T1078] R10: ffffc90003297008 R11: ffffffffa18ceab8 R12: 1ffff92000652de2
[  118.406251][ T1078] R13: 00000000000005dc R14: ffffc90003297008 R15: ffff88800dda2f48
[  118.406701][ T1078] FS:  00007ff4d91bd800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[  118.407223][ T1078] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.407607][ T1078] CR2: 00000000004e59f8 CR3: 000000001160a006 CR4: 0000000000772ef0
[  118.408060][ T1078] PKRU: 55555554
[  118.408283][ T1078] Call Trace:
[  118.408504][ T1078]  <TASK>
[ 118.408806][ T1078] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.409112][ T1078] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.409409][ T1078] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.409917][ T1078] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.410226][ T1078] netif_set_mtu (net/core/dev.c:9652) 
[ 118.410708][ T1078] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.411020][ T1078] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 118.411396][ T1078] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.411723][ T1078] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 118.412035][ T1078] br_add_if (net/bridge/br_if.c:697) 
[ 118.412276][ T1078] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.412587][ T1078] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 118.412895][ T1078] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 118.413197][ T1078] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 118.413586][ T1078] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 118.413884][ T1078] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 118.414184][ T1078] ? __kernel_text_address (kernel/extable.c:79) 
[ 118.414485][ T1078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.414798][ T1078] ? __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) 
[ 118.415103][ T1078] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 118.415471][ T1078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.415781][ T1078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.416079][ T1078] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 118.416377][ T1078] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 118.416701][ T1078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.417000][ T1078] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.417299][ T1078] ? __create_object (mm/kmemleak.c:771) 
[ 118.417611][ T1078] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 118.417911][ T1078] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 118.418207][ T1078] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 118.418583][ T1078] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 118.418895][ T1078] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.419197][ T1078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.419492][ T1078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.419806][ T1078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.420104][ T1078] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.420400][ T1078] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.420714][ T1078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.421011][ T1078] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.421309][ T1078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.421620][ T1078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.421930][ T1078] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.422234][ T1078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.422541][ T1078] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.422852][ T1078] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.423147][ T1078] ? 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) 
[ 118.423447][ T1078] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 118.423758][ T1078] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.424062][ T1078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.424365][ T1078] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.424678][ T1078] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.424979][ T1078] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.425283][ T1078] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.425591][ T1078] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.425888][ T1078] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.426277][ T1078] ___sys_sendmsg (net/socket.c:2670) 
[ 118.426580][ T1078] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 118.426878][ T1078] ? __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) 
[ 118.427247][ T1078] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.427555][ T1078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.427856][ T1078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.428160][ T1078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.428457][ T1078] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 118.428768][ T1078] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.429076][ T1078] __sys_sendmsg (net/socket.c:2700) 
[ 118.429370][ T1078] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 118.429769][ T1078] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.430083][ T1078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.430388][ T1078] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.430699][ T1078] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.431077][ T1078] RIP: 0033:0x7ff4d938a1e7
[ 118.431383][ T1078] 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)
[  118.432460][ T1078] RSP: 002b:00007ffd8a492af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.432923][ T1078] RAX: ffffffffffffffda RBX: 00007ffd8a493230 RCX: 00007ff4d938a1e7
[  118.433368][ T1078] RDX: 0000000000000000 RSI: 00007ffd8a492b60 RDI: 0000000000000005
[  118.433820][ T1078] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  118.434267][ T1078] R10: 0000000035255910 R11: 0000000000000246 R12: 0000000000000004
[  118.434720][ T1078] R13: 00000000686e504a R14: 0000000000499600 R15: 0000000000000000
| [  119.260447][ T1085] ------------[ cut here ]------------
| [ 119.260759][ T1085] WARNING: CPU: 1 PID: 1085 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) 
| [  119.261335][ T1085] Modules linked in:
| [  119.264023][ T1085] Tainted: [W]=WARN
[  119.264247][ T1085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.264620][ T1085] 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) 
[ 119.264924][ T1085] 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
[  119.265983][ T1085] RSP: 0018:ffffc900032d6ef0 EFLAGS: 00010246
[  119.266355][ T1085] RAX: 0000000000000000 RBX: ffff88800fca2000 RCX: 0000000000000001
[  119.266804][ T1085] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  119.267242][ T1085] RBP: ffffc900032d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  119.267708][ T1085] R10: ffffc900032d7008 R11: ffffffffa0f8d1e0 R12: 1ffff9200065ade2
[  119.268147][ T1085] R13: 00000000000005dc R14: ffffc900032d7008 R15: ffff88800fca2f48
[  119.268590][ T1085] FS:  00007f03fb808800(0000) GS:ffff8880ca419000(0000) knlGS:0000000000000000
[  119.269107][ T1085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.269475][ T1085] CR2: 00000000004e59f0 CR3: 0000000002747006 CR4: 0000000000772ef0
[  119.269930][ T1085] PKRU: 55555554
[  119.270149][ T1085] Call Trace:
[  119.270368][ T1085]  <TASK>
[ 119.270533][ T1085] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.270827][ T1085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.271131][ T1085] netif_set_mtu (net/core/dev.c:9652) 
[ 119.271422][ T1085] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.271745][ T1085] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.271970][ T1085] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 119.272278][ T1085] br_add_if (net/bridge/br_if.c:697) 
[ 119.272522][ T1085] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.272816][ T1085] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 119.273112][ T1085] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 119.273409][ T1085] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 119.273790][ T1085] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 119.274087][ T1085] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 119.274379][ T1085] ? __kernel_text_address (kernel/extable.c:79) 
[ 119.274686][ T1085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.274983][ T1085] ? __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) 
[ 119.275277][ T1085] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 119.275652][ T1085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.275947][ T1085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.276241][ T1085] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 119.276542][ T1085] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 119.276837][ T1085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.277128][ T1085] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.277418][ T1085] ? __create_object (mm/kmemleak.c:771) 
[ 119.277719][ T1085] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 119.278012][ T1085] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 119.278310][ T1085] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 119.278681][ T1085] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 119.278982][ T1085] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.279280][ T1085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.279583][ T1085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.279882][ T1085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.280176][ T1085] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.280467][ T1085] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.280774][ T1085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.281070][ T1085] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.281362][ T1085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.281666][ T1085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.281962][ T1085] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.282262][ T1085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.282567][ T1085] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.282874][ T1085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.283168][ T1085] ? 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) 
[ 119.283461][ T1085] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 119.283768][ T1085] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.284059][ T1085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.284354][ T1085] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.284658][ T1085] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.284957][ T1085] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.285255][ T1085] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.285565][ T1085] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.285856][ T1085] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.286230][ T1085] ___sys_sendmsg (net/socket.c:2670) 
[ 119.286529][ T1085] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 119.286821][ T1085] ? __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) 
[ 119.287191][ T1085] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.287485][ T1085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.287789][ T1085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.288087][ T1085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.288378][ T1085] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 119.288675][ T1085] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.288978][ T1085] __sys_sendmsg (net/socket.c:2700) 
[ 119.289267][ T1085] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 119.289642][ T1085] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.289947][ T1085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.290239][ T1085] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.290541][ T1085] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.290906][ T1085] RIP: 0033:0x7f03fb9d51e7
[ 119.291204][ T1085] 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)
[  119.292266][ T1085] RSP: 002b:00007ffeb1750438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.292716][ T1085] RAX: ffffffffffffffda RBX: 00007ffeb1750b70 RCX: 00007f03fb9d51e7
[  119.293151][ T1085] RDX: 0000000000000000 RSI: 00007ffeb17504a0 RDI: 0000000000000005
[  119.293599][ T1085] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  119.294035][ T1085] R10: 0000000013356910 R11: 0000000000000246 R12: 0000000000000004
[  119.294469][ T1085] R13: 00000000686e504b R14: 0000000000499600 R15: 0000000000000000
| [  119.441487][ T1086] ------------[ cut here ]------------
| [ 119.441806][ T1086] WARNING: CPU: 1 PID: 1086 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) 
| [  119.442435][ T1086] Modules linked in:
| [  119.444347][ T1086] Tainted: [W]=WARN
[  119.444579][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.444946][ T1086] 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) 
[ 119.445251][ T1086] 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
[  119.446317][ T1086] RSP: 0018:ffffc900032e6ef0 EFLAGS: 00010246
[  119.446728][ T1086] RAX: 0000000000000000 RBX: ffff88800fca2000 RCX: 0000000000000001
[  119.447172][ T1086] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  119.447631][ T1086] RBP: ffffc900032e6fd8 R08: 0000000000000000 R09: 0000000000000000
[  119.448067][ T1086] R10: ffffc900032e7008 R11: ffffffffa18ceab8 R12: 1ffff9200065cde2
[  119.448503][ T1086] R13: 00000000000005dc R14: ffffc900032e7008 R15: ffff88800fca2f48
[  119.448950][ T1086] FS:  00007f743850d800(0000) GS:ffff8880ca419000(0000) knlGS:0000000000000000
[  119.449459][ T1086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.449848][ T1086] CR2: 00000000004e59f8 CR3: 000000000bb10001 CR4: 0000000000772ef0
[  119.450313][ T1086] PKRU: 55555554
[  119.450543][ T1086] Call Trace:
[  119.450762][ T1086]  <TASK>
[ 119.450914][ T1086] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.451218][ T1086] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 119.451521][ T1086] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 119.451886][ T1086] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 119.452192][ T1086] netif_set_mtu (net/core/dev.c:9652) 
[ 119.452484][ T1086] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.452799][ T1086] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 119.453168][ T1086] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.453397][ T1086] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 119.453718][ T1086] br_add_if (net/bridge/br_if.c:697) 
[ 119.453974][ T1086] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.454266][ T1086] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 119.454574][ T1086] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 119.454871][ T1086] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 119.455244][ T1086] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 119.455549][ T1086] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 119.455840][ T1086] ? __kernel_text_address (kernel/extable.c:79) 
[ 119.456134][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.456430][ T1086] ? __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) 
[ 119.456736][ T1086] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 119.457103][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.457395][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.457713][ T1086] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 119.458030][ T1086] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 119.458324][ T1086] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.458632][ T1086] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.458927][ T1086] ? __create_object (mm/kmemleak.c:771) 
[ 119.459225][ T1086] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 119.459527][ T1086] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 119.459823][ T1086] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 119.460189][ T1086] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 119.460487][ T1086] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.460798][ T1086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.461090][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.461387][ T1086] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.461702][ T1086] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.462016][ T1086] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.462325][ T1086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.462628][ T1086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.462924][ T1086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.463220][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.463527][ T1086] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.463821][ T1086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.464114][ T1086] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.464418][ T1086] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.464722][ T1086] ? 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) 
[ 119.465018][ T1086] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 119.465311][ T1086] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.465623][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.465954][ T1086] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.466251][ T1086] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.466554][ T1086] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.466858][ T1086] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.467153][ T1086] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.467442][ T1086] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.467827][ T1086] ___sys_sendmsg (net/socket.c:2670) 
[ 119.468118][ T1086] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 119.468407][ T1086] ? __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) 
[ 119.468780][ T1086] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.469081][ T1086] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.469375][ T1086] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.469701][ T1086] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.470012][ T1086] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 119.470303][ T1086] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.470614][ T1086] __sys_sendmsg (net/socket.c:2700) 
[ 119.470905][ T1086] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 119.471276][ T1086] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.471590][ T1086] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.471884][ T1086] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.472196][ T1086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.472568][ T1086] RIP: 0033:0x7f74386da1e7
[ 119.472870][ T1086] 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)
[  119.473940][ T1086] RSP: 002b:00007fff3dc68428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.474409][ T1086] RAX: ffffffffffffffda RBX: 00007fff3dc68b60 RCX: 00007f74386da1e7
[  119.474858][ T1086] RDX: 0000000000000000 RSI: 00007fff3dc68490 RDI: 0000000000000005
[  119.475311][ T1086] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  119.475759][ T1086] R10: 000000002da2c910 R11: 0000000000000246 R12: 0000000000000004
[  119.476198][ T1086] R13: 00000000686e504b R14: 0000000000499600 R15: 0000000000000000
| [  121.737243][ T1105] ------------[ cut here ]------------
| [ 121.738035][ T1105] WARNING: CPU: 2 PID: 1105 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) 
| [  121.738612][ T1105] Modules linked in:
| [  121.739412][ T1105] Tainted: [W]=WARN
[  121.739646][ T1105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.740003][ T1105] 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) 
[ 121.740298][ T1105] 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
[  121.741316][ T1105] RSP: 0018:ffffc90003387140 EFLAGS: 00010246
[  121.741689][ T1105] RAX: 0000000000000000 RBX: ffff88800a07c000 RCX: 0000000000000001
[  121.742123][ T1105] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  121.742562][ T1105] RBP: ffffc90003387228 R08: ffff88800b8a5000 R09: 0000000000000000
[  121.742985][ T1105] R10: ffffc900033875c8 R11: ffffffffa1873028 R12: 1ffff92000670e2c
[  121.743405][ T1105] R13: 0000000000000578 R14: ffffc90003387880 R15: ffff888010804060
[  121.743839][ T1105] FS:  00007f0c44cec800(0000) GS:ffff8880ca499000(0000) knlGS:0000000000000000
[  121.744334][ T1105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.744700][ T1105] CR2: 00000000004e59f8 CR3: 000000001169e006 CR4: 0000000000772ef0
[  121.745126][ T1105] PKRU: 55555554
[  121.745342][ T1105] Call Trace:
[  121.745572][ T1105]  <TASK>
[ 121.745723][ T1105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.746014][ T1105] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.746300][ T1105] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.746597][ T1105] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 121.746882][ T1105] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 121.747168][ T1105] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 121.747455][ T1105] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 121.747758][ T1105] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 121.748121][ T1105] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 121.748404][ T1105] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 121.748714][ T1105] ? __kernel_text_address (kernel/extable.c:79) 
[ 121.749006][ T1105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.749297][ T1105] ? __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) 
[ 121.749596][ T1105] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 121.749950][ T1105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.750245][ T1105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.750543][ T1105] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 121.750829][ T1105] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 121.751120][ T1105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.751407][ T1105] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.751704][ T1105] ? __create_object (mm/kmemleak.c:771) 
[ 121.751993][ T1105] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 121.752291][ T1105] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 121.752594][ T1105] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 121.752949][ T1105] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 121.753241][ T1105] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.753544][ T1105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.753829][ T1105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.754127][ T1105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.754413][ T1105] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.754709][ T1105] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.755001][ T1105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.755291][ T1105] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.755591][ T1105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.755882][ T1105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.756173][ T1105] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.756458][ T1105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.756757][ T1105] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.757058][ T1105] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.757346][ T1105] ? 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) 
[ 121.757645][ T1105] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 121.757938][ T1105] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.758225][ T1105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.758528][ T1105] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.758819][ T1105] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.759111][ T1105] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.759403][ T1105] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.759706][ T1105] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.759989][ T1105] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.760354][ T1105] ___sys_sendmsg (net/socket.c:2670) 
[ 121.760646][ T1105] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 121.760931][ T1105] ? __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) 
[ 121.761286][ T1105] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.761591][ T1105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.761879][ T1105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.762179][ T1105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.762463][ T1105] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 121.762772][ T1105] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.763067][ T1105] __sys_sendmsg (net/socket.c:2700) 
[ 121.763353][ T1105] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 121.763719][ T1105] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.764019][ T1105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.764308][ T1105] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.764612][ T1105] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.764961][ T1105] RIP: 0033:0x7f0c44eb91e7
[ 121.765258][ T1105] 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)
[  121.766260][ T1105] RSP: 002b:00007ffd2d345f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.766695][ T1105] RAX: ffffffffffffffda RBX: 00007ffd2d346670 RCX: 00007f0c44eb91e7
[  121.767118][ T1105] RDX: 0000000000000000 RSI: 00007ffd2d345fa0 RDI: 0000000000000005
[  121.767554][ T1105] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  121.767976][ T1105] R10: 00007f0c44db6498 R11: 0000000000000246 R12: 0000000000000004
[  121.768396][ T1105] R13: 00000000686e504e R14: 0000000000499600 R15: 0000000000000000
| [  134.846033][ T1217] ------------[ cut here ]------------
| [ 134.846351][ T1217] WARNING: CPU: 0 PID: 1217 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) 
| [  134.847024][ T1217] Modules linked in:
| [  134.847799][ T1217] Tainted: [W]=WARN
[  134.848014][ T1217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 134.848355][ T1217] 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) 
[ 134.848645][ T1217] 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
[  134.849631][ T1217] RSP: 0018:ffffc90003927140 EFLAGS: 00010246
[  134.849977][ T1217] RAX: 0000000000000000 RBX: ffff88800ed69000 RCX: 0000000000000001
[  134.850388][ T1217] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  134.850805][ T1217] RBP: ffffc90003927228 R08: ffff88800a042000 R09: 0000000000000000
[  134.851211][ T1217] R10: ffffc900039275c8 R11: ffffffffa1873028 R12: 1ffff92000724e2c
[  134.851627][ T1217] R13: 0000000000000578 R14: ffffc90003927880 R15: ffff88800cc67860
[  134.852051][ T1217] FS:  00007f1959916800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[  134.852549][ T1217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  134.852894][ T1217] CR2: 00000000004e59f8 CR3: 000000000bf41004 CR4: 0000000000772ef0
[  134.853306][ T1217] PKRU: 55555554
[  134.853520][ T1217] Call Trace:
[  134.853727][ T1217]  <TASK>
[ 134.853867][ T1217] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.854144][ T1217] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 134.854418][ T1217] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 134.854705][ T1217] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 134.854980][ T1217] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 134.855254][ T1217] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 134.855538][ T1217] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 134.855816][ T1217] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 134.856164][ T1217] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 134.856437][ T1217] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 134.856716][ T1217] ? __kernel_text_address (kernel/extable.c:79) 
[ 134.856992][ T1217] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.857269][ T1217] ? __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) 
[ 134.857564][ T1217] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 134.857904][ T1217] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.858181][ T1217] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.858457][ T1217] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 134.858738][ T1217] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 134.859014][ T1217] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.859285][ T1217] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 134.859562][ T1217] ? __create_object (mm/kmemleak.c:771) 
[ 134.859836][ T1217] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 134.860108][ T1217] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 134.860380][ T1217] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 134.860735][ T1217] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 134.861015][ T1217] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 134.861293][ T1217] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 134.861574][ T1217] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.861852][ T1217] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.862132][ T1217] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 134.862404][ T1217] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 134.862690][ T1217] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 134.862963][ T1217] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 134.863235][ T1217] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 134.863521][ T1217] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.863799][ T1217] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 134.864071][ T1217] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 134.864344][ T1217] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 134.864636][ T1217] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 134.864911][ T1217] ? 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) 
[ 134.865186][ T1217] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 134.865462][ T1217] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 134.865740][ T1217] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.866017][ T1217] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 134.866293][ T1217] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 134.866573][ T1217] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 134.866856][ T1217] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 134.867129][ T1217] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 134.867401][ T1217] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 134.867758][ T1217] ___sys_sendmsg (net/socket.c:2670) 
[ 134.868031][ T1217] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 134.868302][ T1217] ? __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) 
[ 134.868649][ T1217] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 134.868929][ T1217] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.869205][ T1217] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.869483][ T1217] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.869763][ T1217] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 134.870037][ T1217] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 134.870316][ T1217] __sys_sendmsg (net/socket.c:2700) 
[ 134.870594][ T1217] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 134.870936][ T1217] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 134.871222][ T1217] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.871498][ T1217] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 134.871782][ T1217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  134.872127][ T1217] RIP: 0033:0x7f1959ae31e7
[ 134.872408][ T1217] 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)
[  134.873390][ T1217] RSP: 002b:00007fff5c9f5cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  134.873806][ T1217] RAX: ffffffffffffffda RBX: 00007fff5c9f6410 RCX: 00007f1959ae31e7
[  134.874216][ T1217] RDX: 0000000000000000 RSI: 00007fff5c9f5d40 RDI: 0000000000000005
[  134.874635][ T1217] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  134.875047][ T1217] R10: 00007f19599e0498 R11: 0000000000000246 R12: 0000000000000004
[  134.875454][ T1217] R13: 00000000686e505b R14: 0000000000499600 R15: 0000000000000000
| [  147.498840][ T1328] ------------[ cut here ]------------
| [ 147.499155][ T1328] WARNING: CPU: 1 PID: 1328 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) 
| [  147.499706][ T1328] Modules linked in:
| [  147.500473][ T1328] Tainted: [W]=WARN
[  147.500691][ T1328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 147.501034][ T1328] 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) 
[ 147.501315][ T1328] 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
[  147.502324][ T1328] RSP: 0018:ffffc90003e77140 EFLAGS: 00010246
[  147.502691][ T1328] RAX: 0000000000000000 RBX: ffff888002239000 RCX: 0000000000000001
[  147.503107][ T1328] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  147.503738][ T1328] RBP: ffffc90003e77228 R08: ffff88800df2b800 R09: 0000000000000000
[  147.504149][ T1328] R10: ffffc90003e775c8 R11: ffffffffa1873028 R12: 1ffff920007cee2c
[  147.504564][ T1328] R13: 0000000000000578 R14: ffffc90003e77880 R15: ffff88800f7b03e0
[  147.504974][ T1328] FS:  00007f5397bca800(0000) GS:ffff8880ca419000(0000) knlGS:0000000000000000
[  147.505453][ T1328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  147.505808][ T1328] CR2: 00000000004e59f8 CR3: 000000001193f003 CR4: 0000000000772ef0
[  147.506219][ T1328] PKRU: 55555554
[  147.506424][ T1328] Call Trace:
[  147.506647][ T1328]  <TASK>
[ 147.506788][ T1328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 147.507068][ T1328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 147.507342][ T1328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 147.507628][ T1328] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 147.507906][ T1328] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 147.508177][ T1328] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 147.508452][ T1328] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 147.508740][ T1328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 147.509086][ T1328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 147.509361][ T1328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 147.509640][ T1328] ? __kernel_text_address (kernel/extable.c:79) 
[ 147.509917][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 147.510191][ T1328] ? __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) 
[ 147.510466][ T1328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 147.510823][ T1328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 147.511099][ T1328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 147.511371][ T1328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 147.511653][ T1328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 147.511932][ T1328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 147.512212][ T1328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 147.512481][ T1328] ? __create_object (mm/kmemleak.c:771) 
[ 147.512765][ T1328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 147.513040][ T1328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 147.513312][ T1328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 147.513658][ T1328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 147.513941][ T1328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 147.514219][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 147.514492][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 147.514787][ T1328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 147.515063][ T1328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 147.515333][ T1328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 147.515616][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 147.515887][ T1328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 147.516167][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 147.516444][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 147.516730][ T1328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 147.517004][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 147.517277][ T1328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 147.517571][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 147.517843][ T1328] ? 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) 
[ 147.518121][ T1328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 147.518398][ T1328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 147.518684][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 147.518964][ T1328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 147.519240][ T1328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 147.519522][ T1328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 147.519801][ T1328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 147.520075][ T1328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 147.520350][ T1328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 147.520709][ T1328] ___sys_sendmsg (net/socket.c:2670) 
[ 147.520980][ T1328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 147.521252][ T1328] ? __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) 
[ 147.521601][ T1328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 147.521877][ T1328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 147.522165][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 147.522444][ T1328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 147.522746][ T1328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 147.523019][ T1328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 147.523297][ T1328] __sys_sendmsg (net/socket.c:2700) 
[ 147.523577][ T1328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 147.523913][ T1328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 147.524198][ T1328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 147.524475][ T1328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 147.524757][ T1328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  147.525101][ T1328] RIP: 0033:0x7f5397d971e7
[ 147.525385][ T1328] 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)
[  147.526365][ T1328] RSP: 002b:00007ffcc0e6ceb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  147.526791][ T1328] RAX: ffffffffffffffda RBX: 00007ffcc0e6d5f0 RCX: 00007f5397d971e7
[  147.527199][ T1328] RDX: 0000000000000000 RSI: 00007ffcc0e6cf20 RDI: 0000000000000005
[  147.527612][ T1328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  147.528025][ T1328] R10: 00007f5397c94498 R11: 0000000000000246 R12: 0000000000000004
[  147.528434][ T1328] R13: 00000000686e5068 R14: 0000000000499600 R15: 0000000000000000
| [  160.192989][ T1438] ------------[ cut here ]------------
| [ 160.193342][ T1438] WARNING: CPU: 2 PID: 1438 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) 
| [  160.193922][ T1438] Modules linked in:
| [  160.194730][ T1438] Tainted: [W]=WARN
[  160.194953][ T1438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.195309][ T1438] 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) 
[ 160.195800][ T1438] 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
[  160.196807][ T1438] RSP: 0018:ffffc90004487140 EFLAGS: 00010246
[  160.197170][ T1438] RAX: 0000000000000000 RBX: ffff88800abbc000 RCX: 0000000000000001
[  160.197602][ T1438] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  160.198028][ T1438] RBP: ffffc90004487228 R08: ffff88800aee2000 R09: 0000000000000000
[  160.198451][ T1438] R10: ffffc900044875c8 R11: ffffffffa1873028 R12: 1ffff92000890e2c
[  160.198892][ T1438] R13: 0000000000000578 R14: ffffc90004487880 R15: ffff88800dad03e0
[  160.199314][ T1438] FS:  00007f9f492ab800(0000) GS:ffff8880ca499000(0000) knlGS:0000000000000000
[  160.199818][ T1438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.200184][ T1438] CR2: 00000000004e59f8 CR3: 000000001197a004 CR4: 0000000000772ef0
[  160.200621][ T1438] PKRU: 55555554
[  160.200845][ T1438] Call Trace:
[  160.201067][ T1438]  <TASK>
[ 160.201221][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.201525][ T1438] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.201813][ T1438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.202109][ T1438] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 160.202407][ T1438] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 160.202707][ T1438] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 160.202998][ T1438] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 160.203293][ T1438] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 160.203661][ T1438] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 160.203953][ T1438] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 160.204241][ T1438] ? __kernel_text_address (kernel/extable.c:79) 
[ 160.204559][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.204851][ T1438] ? __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) 
[ 160.205141][ T1438] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 160.205495][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.205795][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.206083][ T1438] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 160.206381][ T1438] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 160.206679][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.206969][ T1438] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.207254][ T1438] ? __create_object (mm/kmemleak.c:771) 
[ 160.207551][ T1438] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 160.207841][ T1438] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 160.208130][ T1438] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 160.208481][ T1438] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 160.208789][ T1438] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.209082][ T1438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.209368][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.209670][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.209959][ T1438] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.210244][ T1438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.210542][ T1438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.210830][ T1438] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.211121][ T1438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.211414][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.211716][ T1438] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.212006][ T1438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.212303][ T1438] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.212612][ T1438] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.212904][ T1438] ? 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) 
[ 160.213199][ T1438] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 160.213489][ T1438] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.213786][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.214084][ T1438] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.214376][ T1438] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.214674][ T1438] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.214971][ T1438] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.215262][ T1438] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.215560][ T1438] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.215926][ T1438] ___sys_sendmsg (net/socket.c:2670) 
[ 160.216215][ T1438] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 160.216502][ T1438] ? __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) 
[ 160.216867][ T1438] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.217159][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.217455][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.217763][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.218056][ T1438] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 160.218341][ T1438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.218648][ T1438] __sys_sendmsg (net/socket.c:2700) 
[ 160.218936][ T1438] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 160.219291][ T1438] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.219601][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.219896][ T1438] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.220184][ T1438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.220548][ T1438] RIP: 0033:0x7f9f494781e7
[ 160.220848][ T1438] 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)
[  160.221854][ T1438] RSP: 002b:00007ffef0be4028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.222291][ T1438] RAX: ffffffffffffffda RBX: 00007ffef0be4760 RCX: 00007f9f494781e7
[  160.222725][ T1438] RDX: 0000000000000000 RSI: 00007ffef0be4090 RDI: 0000000000000005
[  160.223149][ T1438] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  160.223588][ T1438] R10: 00007f9f49375498 R11: 0000000000000246 R12: 0000000000000004
[  160.224017][ T1438] R13: 00000000686e5074 R14: 0000000000499600 R15: 0000000000000000
| [  173.029193][ T1546] ------------[ cut here ]------------
| [ 173.029536][ T1546] WARNING: CPU: 3 PID: 1546 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) 
| [  173.030116][ T1546] Modules linked in:
| [  173.031439][ T1546] Tainted: [W]=WARN
[  173.031673][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 173.032036][ T1546] 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) 
[ 173.032343][ T1546] 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
[  173.033387][ T1546] RSP: 0018:ffffc90004927140 EFLAGS: 00010246
[  173.033763][ T1546] RAX: 0000000000000000 RBX: ffff88800ee59000 RCX: 0000000000000001
[  173.034193][ T1546] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  173.034632][ T1546] RBP: ffffc90004927228 R08: ffff888005472000 R09: 0000000000000000
[  173.035066][ T1546] R10: ffffc900049275c8 R11: ffffffffa1873028 R12: 1ffff92000924e2c
[  173.035499][ T1546] R13: 0000000000000578 R14: ffffc90004927880 R15: ffff888010ab2de0
[  173.035944][ T1546] FS:  00007fa512475800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[  173.036447][ T1546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  173.036824][ T1546] CR2: 00000000004e59f8 CR3: 0000000011d5d002 CR4: 0000000000772ef0
[  173.037263][ T1546] PKRU: 55555554
[  173.037502][ T1546] Call Trace:
[  173.037732][ T1546]  <TASK>
[ 173.037882][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.038191][ T1546] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 173.038479][ T1546] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 173.038798][ T1546] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 173.039090][ T1546] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 173.039377][ T1546] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 173.039697][ T1546] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 173.039993][ T1546] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 173.040365][ T1546] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 173.040675][ T1546] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 173.040962][ T1546] ? __kernel_text_address (kernel/extable.c:79) 
[ 173.041256][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.041561][ T1546] ? __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) 
[ 173.041875][ T1546] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 173.042248][ T1546] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 173.042552][ T1546] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 173.042840][ T1546] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 173.043127][ T1546] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 173.043416][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.043717][ T1546] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 173.044009][ T1546] ? __create_object (mm/kmemleak.c:771) 
[ 173.044298][ T1546] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 173.044597][ T1546] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 173.044905][ T1546] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 173.045264][ T1546] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 173.045573][ T1546] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 173.045870][ T1546] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 173.046157][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.046454][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.046752][ T1546] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 173.047038][ T1546] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 173.047333][ T1546] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 173.047638][ T1546] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 173.047946][ T1546] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 173.048238][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.048559][ T1546] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 173.048851][ T1546] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 173.049139][ T1546] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 173.049468][ T1546] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 173.049762][ T1546] ? 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) 
[ 173.050073][ T1546] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 173.050367][ T1546] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 173.050664][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.050962][ T1546] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 173.051253][ T1546] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 173.051554][ T1546] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 173.051850][ T1546] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 173.052159][ T1546] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 173.052448][ T1546] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 173.052832][ T1546] ___sys_sendmsg (net/socket.c:2670) 
[ 173.053119][ T1546] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 173.053407][ T1546] ? __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) 
[ 173.053787][ T1546] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 173.054078][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.054371][ T1546] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.054672][ T1546] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.054965][ T1546] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 173.055251][ T1546] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 173.055553][ T1546] __sys_sendmsg (net/socket.c:2700) 
[ 173.055837][ T1546] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 173.056199][ T1546] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 173.056500][ T1546] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 173.056807][ T1546] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 173.057113][ T1546] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  173.057477][ T1546] RIP: 0033:0x7fa5126421e7
[ 173.057791][ T1546] 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)
[  173.058855][ T1546] RSP: 002b:00007fff4d059e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  173.059301][ T1546] RAX: ffffffffffffffda RBX: 00007fff4d05a5b0 RCX: 00007fa5126421e7
[  173.059753][ T1546] RDX: 0000000000000000 RSI: 00007fff4d059ee0 RDI: 0000000000000005
[  173.060190][ T1546] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  173.060633][ T1546] R10: 00007fa51253f498 R11: 0000000000000246 R12: 0000000000000004
[  173.061063][ T1546] R13: 00000000686e5081 R14: 0000000000499600 R15: 0000000000000000
| [  185.525158][ T1656] ------------[ cut here ]------------
| [ 185.525553][ T1656] WARNING: CPU: 0 PID: 1656 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) 
| [  185.526114][ T1656] Modules linked in:
| [  185.526906][ T1656] Tainted: [W]=WARN
[  185.527116][ T1656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 185.527464][ T1656] 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) 
[ 185.527756][ T1656] 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
[  185.528748][ T1656] RSP: 0018:ffffc90004e47140 EFLAGS: 00010246
[  185.529101][ T1656] RAX: 0000000000000000 RBX: ffff888009989000 RCX: 0000000000000001
[  185.529528][ T1656] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  185.529944][ T1656] RBP: ffffc90004e47228 R08: ffff88800bf98800 R09: 0000000000000000
[  185.530354][ T1656] R10: ffffc90004e475c8 R11: ffffffffa1873028 R12: 1ffff920009c8e2c
[  185.530772][ T1656] R13: 0000000000000578 R14: ffffc90004e47880 R15: ffff888010806de0
[  185.531187][ T1656] FS:  00007fa717e7a800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[  185.531675][ T1656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  185.532033][ T1656] CR2: 00000000004e59f8 CR3: 000000000b908003 CR4: 0000000000772ef0
[  185.532459][ T1656] PKRU: 55555554
[  185.532836][ T1656] Call Trace:
[  185.533043][ T1656]  <TASK>
[ 185.533186][ T1656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 185.533470][ T1656] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 185.533896][ T1656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 185.534176][ T1656] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 185.534455][ T1656] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 185.534881][ T1656] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 185.535161][ T1656] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 185.535444][ T1656] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 185.536151][ T1656] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 185.536429][ T1656] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 185.536714][ T1656] ? __kernel_text_address (kernel/extable.c:79) 
[ 185.536992][ T1656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.537270][ T1656] ? __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) 
[ 185.537559][ T1656] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 185.537900][ T1656] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 185.538176][ T1656] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 185.538450][ T1656] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 185.538735][ T1656] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 185.539020][ T1656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 185.539294][ T1656] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 185.539580][ T1656] ? __create_object (mm/kmemleak.c:771) 
[ 185.539868][ T1656] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 185.540146][ T1656] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 185.540423][ T1656] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 185.540779][ T1656] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 185.541061][ T1656] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 185.541342][ T1656] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 185.541625][ T1656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.541911][ T1656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 185.542196][ T1656] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 185.542469][ T1656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 185.542755][ T1656] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 185.543030][ T1656] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 185.543307][ T1656] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 185.543594][ T1656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.543874][ T1656] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 185.544157][ T1656] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 185.544432][ T1656] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 185.544730][ T1656] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 185.545005][ T1656] ? 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) 
[ 185.545285][ T1656] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 185.545571][ T1656] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 185.545845][ T1656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.546128][ T1656] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 185.546408][ T1656] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 185.546692][ T1656] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 185.546980][ T1656] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 185.547260][ T1656] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 185.547542][ T1656] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 185.547904][ T1656] ___sys_sendmsg (net/socket.c:2670) 
[ 185.548184][ T1656] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 185.548460][ T1656] ? __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) 
[ 185.548817][ T1656] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 185.549097][ T1656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 185.549375][ T1656] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 185.549666][ T1656] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 185.549943][ T1656] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 185.550224][ T1656] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 185.550508][ T1656] __sys_sendmsg (net/socket.c:2700) 
[ 185.550795][ T1656] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 185.551134][ T1656] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 185.551423][ T1656] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 185.551709][ T1656] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 185.551988][ T1656] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  185.552352][ T1656] RIP: 0033:0x7fa7180471e7
[ 185.552657][ T1656] 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)
[  185.553647][ T1656] RSP: 002b:00007fff89c50238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  185.554059][ T1656] RAX: ffffffffffffffda RBX: 00007fff89c50970 RCX: 00007fa7180471e7
[  185.554475][ T1656] RDX: 0000000000000000 RSI: 00007fff89c502a0 RDI: 0000000000000005
[  185.554897][ T1656] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  185.555308][ T1656] R10: 00007fa717f44498 R11: 0000000000000246 R12: 0000000000000004
[  185.555728][ T1656] R13: 00000000686e508e R14: 0000000000499600 R15: 0000000000000000
| [  198.801351][ T1763] ------------[ cut here ]------------
| [ 198.801689][ T1763] WARNING: CPU: 2 PID: 1763 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) 
| [  198.802289][ T1763] Modules linked in:
| [  198.803145][ T1763] Tainted: [W]=WARN
[  198.803382][ T1763] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 198.804578][ T1763] 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) 
[ 198.804901][ T1763] 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
[  198.805976][ T1763] RSP: 0018:ffffc90005136ef0 EFLAGS: 00010246
[  198.806360][ T1763] RAX: 0000000000000000 RBX: ffff88800635a000 RCX: 0000000000000001
[  198.806820][ T1763] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  198.807275][ T1763] RBP: ffffc90005136fd8 R08: 0000000000000000 R09: 0000000000000000
[  198.807736][ T1763] R10: ffffc90005137008 R11: ffffffffa0f8d1e0 R12: 1ffff92000a26de2
[  198.808189][ T1763] R13: 00000000000005dc R14: ffffc90005137008 R15: ffff88800635af48
[  198.808656][ T1763] FS:  00007f1115629800(0000) GS:ffff8880ca499000(0000) knlGS:0000000000000000
[  198.809182][ T1763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  198.809576][ T1763] CR2: 00000000004e59f0 CR3: 0000000011980001 CR4: 0000000000772ef0
[  198.810034][ T1763] PKRU: 55555554
[  198.810267][ T1763] Call Trace:
[  198.810501][ T1763]  <TASK>
[ 198.810677][ T1763] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 198.810987][ T1763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.811306][ T1763] netif_set_mtu (net/core/dev.c:9652) 
[ 198.811625][ T1763] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 198.811946][ T1763] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 198.812192][ T1763] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 198.812506][ T1763] br_add_if (net/bridge/br_if.c:697) 
[ 198.812766][ T1763] do_set_master (net/core/rtnetlink.c:2948) 
[ 198.813071][ T1763] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 198.813380][ T1763] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 198.813708][ T1763] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 198.814093][ T1763] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 198.814399][ T1763] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 198.814715][ T1763] ? __kernel_text_address (kernel/extable.c:79) 
[ 198.815028][ T1763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.815337][ T1763] ? __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) 
[ 198.815655][ T1763] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 198.816033][ T1763] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 198.816342][ T1763] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 198.816654][ T1763] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 198.816961][ T1763] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 198.817267][ T1763] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 198.817598][ T1763] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 198.817908][ T1763] ? __create_object (mm/kmemleak.c:771) 
[ 198.818217][ T1763] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 198.818534][ T1763] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 198.818848][ T1763] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 198.819224][ T1763] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 198.819548][ T1763] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 198.819863][ T1763] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 198.820167][ T1763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.820482][ T1763] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 198.820798][ T1763] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 198.821112][ T1763] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 198.821419][ T1763] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 198.821736][ T1763] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 198.822049][ T1763] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 198.822368][ T1763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.822690][ T1763] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 198.822998][ T1763] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 198.823308][ T1763] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 198.823638][ T1763] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 198.823942][ T1763] ? 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) 
[ 198.824252][ T1763] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 198.824568][ T1763] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 198.824877][ T1763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.825186][ T1763] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 198.825500][ T1763] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 198.825817][ T1763] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 198.826131][ T1763] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 198.826438][ T1763] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 198.826753][ T1763] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 198.827142][ T1763] ___sys_sendmsg (net/socket.c:2670) 
[ 198.827446][ T1763] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 198.827768][ T1763] ? __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) 
[ 198.828147][ T1763] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 198.828455][ T1763] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 198.828776][ T1763] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.829089][ T1763] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 198.829396][ T1763] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 198.829713][ T1763] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 198.830027][ T1763] __sys_sendmsg (net/socket.c:2700) 
[ 198.830336][ T1763] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 198.830725][ T1763] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 198.831045][ T1763] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 198.831353][ T1763] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 198.831674][ T1763] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  198.832052][ T1763] RIP: 0033:0x7f11157f61e7
[ 198.832378][ T1763] 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)
[  198.833455][ T1763] RSP: 002b:00007ffecb37c868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  198.833920][ T1763] RAX: ffffffffffffffda RBX: 00007ffecb37cfa0 RCX: 00007f11157f61e7
[  198.834368][ T1763] RDX: 0000000000000000 RSI: 00007ffecb37c8d0 RDI: 0000000000000005
[  198.834834][ T1763] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  198.835286][ T1763] R10: 000000001f40b910 R11: 0000000000000246 R12: 0000000000000004
[  198.835744][ T1763] R13: 00000000686e509b R14: 0000000000499600 R15: 0000000000000000
| [  198.967746][ T1764] ------------[ cut here ]------------
| [ 198.968050][ T1764] WARNING: CPU: 1 PID: 1764 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) 
| [  198.968642][ T1764] Modules linked in:
| [  198.969466][ T1764] Tainted: [W]=WARN
[  198.969835][ T1764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 198.970201][ T1764] 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) 
[ 198.970501][ T1764] 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
[  198.971691][ T1764] RSP: 0018:ffffc90005256ef0 EFLAGS: 00010246
[  198.972066][ T1764] RAX: 0000000000000000 RBX: ffff88800635a000 RCX: 0000000000000001
[  198.972725][ T1764] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  198.973170][ T1764] RBP: ffffc90005256fd8 R08: 0000000000000000 R09: 0000000000000000
[  198.973814][ T1764] R10: ffffc90005257008 R11: ffffffffa0f8d1e0 R12: 1ffff92000a4ade2
[  198.974254][ T1764] R13: 00000000000005dc R14: ffffc90005257008 R15: ffff88800635af48
[  198.974884][ T1764] FS:  00007f3bfbd69800(0000) GS:ffff8880ca419000(0000) knlGS:0000000000000000
[  198.975401][ T1764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  198.975911][ T1764] CR2: 00000000004e59f8 CR3: 0000000009e7d004 CR4: 0000000000772ef0
[  198.976353][ T1764] PKRU: 55555554
[  198.976710][ T1764] Call Trace:
[  198.976931][ T1764]  <TASK>
[ 198.977083][ T1764] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 198.977377][ T1764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.977718][ T1764] netif_set_mtu (net/core/dev.c:9652) 
[ 198.978018][ T1764] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 198.978327][ T1764] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 198.978563][ T1764] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 198.978864][ T1764] br_add_if (net/bridge/br_if.c:697) 
[ 198.979103][ T1764] do_set_master (net/core/rtnetlink.c:2948) 
[ 198.979394][ T1764] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 198.979697][ T1764] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 198.980000][ T1764] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 198.980371][ T1764] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 198.980667][ T1764] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 198.980958][ T1764] ? __kernel_text_address (kernel/extable.c:79) 
[ 198.981251][ T1764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.981555][ T1764] ? __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) 
[ 198.981851][ T1764] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 198.982224][ T1764] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 198.982545][ T1764] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 198.982839][ T1764] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 198.983131][ T1764] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 198.983425][ T1764] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 198.983726][ T1764] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 198.984019][ T1764] ? __create_object (mm/kmemleak.c:771) 
[ 198.984313][ T1764] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 198.984616][ T1764] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 198.984910][ T1764] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 198.985273][ T1764] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 198.985581][ T1764] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 198.985883][ T1764] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 198.986175][ T1764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.986472][ T1764] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 198.986781][ T1764] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 198.987072][ T1764] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 198.987367][ T1764] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 198.987665][ T1764] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 198.987961][ T1764] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 198.988257][ T1764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.988562][ T1764] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 198.988854][ T1764] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 198.989153][ T1764] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 198.989456][ T1764] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 198.989756][ T1764] ? 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) 
[ 198.990052][ T1764] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 198.990348][ T1764] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 198.990649][ T1764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.990948][ T1764] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 198.991250][ T1764] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 198.991553][ T1764] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 198.991852][ T1764] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 198.992153][ T1764] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 198.992452][ T1764] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 198.992836][ T1764] ___sys_sendmsg (net/socket.c:2670) 
[ 198.993130][ T1764] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 198.993424][ T1764] ? __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) 
[ 198.993796][ T1764] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 198.994094][ T1764] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 198.994390][ T1764] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 198.994699][ T1764] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 198.994995][ T1764] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 198.995288][ T1764] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 198.995600][ T1764] __sys_sendmsg (net/socket.c:2700) 
[ 198.995892][ T1764] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 198.996254][ T1764] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 198.996567][ T1764] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 198.996861][ T1764] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 198.997158][ T1764] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  198.997534][ T1764] RIP: 0033:0x7f3bfbf361e7
[ 198.997842][ T1764] 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)
[  198.998900][ T1764] RSP: 002b:00007ffdedc3fd28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  198.999343][ T1764] RAX: ffffffffffffffda RBX: 00007ffdedc40460 RCX: 00007f3bfbf361e7
[  198.999793][ T1764] RDX: 0000000000000000 RSI: 00007ffdedc3fd90 RDI: 0000000000000005
[  199.000233][ T1764] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  199.000679][ T1764] R10: 00000000261a8910 R11: 0000000000000246 R12: 0000000000000004
[  199.001116][ T1764] R13: 00000000686e509b R14: 0000000000499600 R15: 0000000000000000
| [  199.826655][ T1771] ------------[ cut here ]------------
| [ 199.826976][ T1771] WARNING: CPU: 3 PID: 1771 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) 
| [  199.827607][ T1771] Modules linked in:
| [  199.828483][ T1771] Tainted: [W]=WARN
[  199.828729][ T1771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 199.829114][ T1771] 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) 
[ 199.829430][ T1771] 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
[  199.830560][ T1771] RSP: 0018:ffffc900052a6ef0 EFLAGS: 00010246
[  199.830955][ T1771] RAX: 0000000000000000 RBX: ffff88800ed7a000 RCX: 0000000000000001
[  199.831419][ T1771] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  199.833292][ T1771] RBP: ffffc900052a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  199.833770][ T1771] R10: ffffc900052a7008 R11: ffffffffa0f8d1e0 R12: 1ffff92000a54de2
[  199.834230][ T1771] R13: 00000000000005dc R14: ffffc900052a7008 R15: ffff88800ed7af48
[  199.834697][ T1771] FS:  00007fbca11d6800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[  199.835235][ T1771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  199.835662][ T1771] CR2: 00000000004e59f0 CR3: 0000000009e7d002 CR4: 0000000000772ef0
[  199.836125][ T1771] PKRU: 55555554
[  199.836359][ T1771] Call Trace:
[  199.836599][ T1771]  <TASK>
[ 199.836761][ T1771] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 199.837074][ T1771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.837396][ T1771] netif_set_mtu (net/core/dev.c:9652) 
[ 199.837718][ T1771] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 199.838043][ T1771] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 199.838277][ T1771] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 199.838613][ T1771] br_add_if (net/bridge/br_if.c:697) 
[ 199.838858][ T1771] do_set_master (net/core/rtnetlink.c:2948) 
[ 199.839165][ T1771] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 199.839480][ T1771] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 199.839823][ T1771] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 199.840214][ T1771] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 199.840534][ T1771] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 199.840842][ T1771] ? __kernel_text_address (kernel/extable.c:79) 
[ 199.841151][ T1771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.841461][ T1771] ? __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) 
[ 199.841780][ T1771] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 199.842182][ T1771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.842506][ T1771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.842839][ T1771] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 199.843146][ T1771] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 199.843464][ T1771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.843793][ T1771] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 199.844096][ T1771] ? __create_object (mm/kmemleak.c:771) 
[ 199.844407][ T1771] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 199.844736][ T1771] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 199.845047][ T1771] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 199.845439][ T1771] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 199.845760][ T1771] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 199.846074][ T1771] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 199.846382][ T1771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.846714][ T1771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.847023][ T1771] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 199.847333][ T1771] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 199.847648][ T1771] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 199.847958][ T1771] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 199.848266][ T1771] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 199.848584][ T1771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.848899][ T1771] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 199.849211][ T1771] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 199.849535][ T1771] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 199.849855][ T1771] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 199.850161][ T1771] ? 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) 
[ 199.850472][ T1771] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 199.850802][ T1771] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 199.851110][ T1771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.851424][ T1771] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 199.851745][ T1771] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 199.852055][ T1771] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 199.852378][ T1771] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 199.852696][ T1771] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 199.853004][ T1771] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 199.853403][ T1771] ___sys_sendmsg (net/socket.c:2670) 
[ 199.853720][ T1771] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 199.854028][ T1771] ? __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) 
[ 199.854414][ T1771] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 199.854737][ T1771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.855047][ T1771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.855363][ T1771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.855681][ T1771] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 199.855993][ T1771] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 199.856313][ T1771] __sys_sendmsg (net/socket.c:2700) 
[ 199.856631][ T1771] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 199.857017][ T1771] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 199.857338][ T1771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.857658][ T1771] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 199.857969][ T1771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  199.858351][ T1771] RIP: 0033:0x7fbca13a31e7
[ 199.858694][ T1771] 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)
[  199.859812][ T1771] RSP: 002b:00007fff4a1619e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  199.860277][ T1771] RAX: ffffffffffffffda RBX: 00007fff4a162120 RCX: 00007fbca13a31e7
[  199.860755][ T1771] RDX: 0000000000000000 RSI: 00007fff4a161a50 RDI: 0000000000000005
[  199.861214][ T1771] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  199.861682][ T1771] R10: 000000003119f910 R11: 0000000000000246 R12: 0000000000000004
[  199.862152][ T1771] R13: 00000000686e509c R14: 0000000000499600 R15: 0000000000000000
| [  199.993147][ T1772] ------------[ cut here ]------------
| [ 199.993556][ T1772] WARNING: CPU: 0 PID: 1772 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) 
| [  199.994543][ T1772] Modules linked in:
| [  199.996007][ T1772] Tainted: [W]=WARN
[  199.996396][ T1772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 199.997051][ T1772] 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) 
[ 199.997592][ T1772] 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
[  199.999443][ T1772] RSP: 0018:ffffc900052a6ef0 EFLAGS: 00010246
[  200.000145][ T1772] RAX: 0000000000000000 RBX: ffff88800ed7a000 RCX: 0000000000000001
[  200.000927][ T1772] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  200.001709][ T1772] RBP: ffffc900052a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  200.002484][ T1772] R10: ffffc900052a7008 R11: ffffffffa0f8d1e0 R12: 1ffff92000a54de2
[  200.003263][ T1772] R13: 00000000000005dc R14: ffffc900052a7008 R15: ffff88800ed7af48
[  200.004055][ T1772] FS:  00007f905033d800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[  200.004973][ T1772] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  200.005631][ T1772] CR2: 00000000004e59f8 CR3: 00000000118c6001 CR4: 0000000000772ef0
[  200.006402][ T1772] PKRU: 55555554
[  200.006798][ T1772] Call Trace:
[  200.007182][ T1772]  <TASK>
[ 200.007448][ T1772] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 200.007990][ T1772] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.008547][ T1772] netif_set_mtu (net/core/dev.c:9652) 
[ 200.009065][ T1772] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 200.009621][ T1772] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 200.010011][ T1772] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 200.010547][ T1772] br_add_if (net/bridge/br_if.c:697) 
[ 200.010959][ T1772] do_set_master (net/core/rtnetlink.c:2948) 
[ 200.011469][ T1772] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 200.012017][ T1772] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 200.012572][ T1772] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 200.013223][ T1772] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 200.013745][ T1772] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 200.014255][ T1772] ? __kernel_text_address (kernel/extable.c:79) 
[ 200.014787][ T1772] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.015307][ T1772] ? __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) 
[ 200.015848][ T1772] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 200.016486][ T1772] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.017016][ T1772] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.017540][ T1772] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 200.018052][ T1772] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 200.018577][ T1772] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.019091][ T1772] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 200.019628][ T1772] ? __create_object (mm/kmemleak.c:771) 
[ 200.020141][ T1772] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 200.020671][ T1772] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 200.021167][ T1772] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 200.021820][ T1772] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 200.022359][ T1772] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 200.022897][ T1772] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 200.023409][ T1772] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.023966][ T1772] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.024489][ T1772] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 200.025013][ T1772] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 200.025543][ T1772] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 200.026052][ T1772] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 200.026578][ T1772] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 200.027098][ T1772] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.027645][ T1772] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 200.028157][ T1772] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 200.028695][ T1772] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 200.029230][ T1772] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 200.029752][ T1772] ? 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) 
[ 200.030268][ T1772] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 200.030800][ T1772] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 200.031310][ T1772] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.031860][ T1772] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 200.032396][ T1772] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 200.032932][ T1772] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 200.033458][ T1772] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 200.033990][ T1772] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 200.034501][ T1772] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 200.035181][ T1772] ___sys_sendmsg (net/socket.c:2670) 
[ 200.035715][ T1772] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 200.036231][ T1772] ? __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) 
[ 200.036885][ T1772] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 200.037405][ T1772] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.037937][ T1772] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.038460][ T1772] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.038986][ T1772] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 200.039494][ T1772] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 200.040057][ T1772] __sys_sendmsg (net/socket.c:2700) 
[ 200.040580][ T1772] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 200.041216][ T1772] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 200.041767][ T1772] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.042294][ T1772] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 200.042825][ T1772] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  200.043457][ T1772] RIP: 0033:0x7f905050a1e7
[ 200.044017][ T1772] 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)
[  200.045877][ T1772] RSP: 002b:00007ffe3224d468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  200.046662][ T1772] RAX: ffffffffffffffda RBX: 00007ffe3224dba0 RCX: 00007f905050a1e7
[  200.047439][ T1772] RDX: 0000000000000000 RSI: 00007ffe3224d4d0 RDI: 0000000000000005
[  200.048235][ T1772] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  200.049019][ T1772] R10: 0000000002392910 R11: 0000000000000246 R12: 0000000000000004
[  200.049802][ T1772] R13: 00000000686e509c R14: 0000000000499600 R15: 0000000000000000
| [  202.287890][ T1791] ------------[ cut here ]------------
| [ 202.288208][ T1791] WARNING: CPU: 1 PID: 1791 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) 
| [  202.288782][ T1791] Modules linked in:
| [  202.290881][ T1791] Tainted: [W]=WARN
[  202.291104][ T1791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 202.291448][ T1791] 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) 
[ 202.291758][ T1791] 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
[  202.292763][ T1791] RSP: 0018:ffffc900053b7140 EFLAGS: 00010246
[  202.293117][ T1791] RAX: 0000000000000000 RBX: ffff88800b659000 RCX: 0000000000000001
[  202.293534][ T1791] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  202.293943][ T1791] RBP: ffffc900053b7228 R08: ffff8880095bb800 R09: 0000000000000000
[  202.294358][ T1791] R10: ffffc900053b75c8 R11: ffffffffa1873028 R12: 1ffff92000a76e2c
[  202.294770][ T1791] R13: 0000000000000578 R14: ffffc900053b7880 R15: ffff88800f7b0ae0
[  202.295179][ T1791] FS:  00007f6d92ecf800(0000) GS:ffff8880ca419000(0000) knlGS:0000000000000000
[  202.295665][ T1791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  202.296028][ T1791] CR2: 00000000004e59f8 CR3: 0000000011e57005 CR4: 0000000000772ef0
[  202.296436][ T1791] PKRU: 55555554
[  202.296661][ T1791] Call Trace:
[  202.296867][ T1791]  <TASK>
[ 202.297005][ T1791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.297281][ T1791] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 202.297562][ T1791] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 202.297848][ T1791] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 202.298121][ T1791] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 202.298392][ T1791] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 202.298675][ T1791] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 202.298954][ T1791] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 202.299302][ T1791] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 202.299584][ T1791] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 202.299863][ T1791] ? __kernel_text_address (kernel/extable.c:79) 
[ 202.300136][ T1791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.300413][ T1791] ? __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) 
[ 202.300706][ T1791] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 202.301052][ T1791] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 202.301327][ T1791] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 202.301606][ T1791] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 202.301889][ T1791] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 202.302168][ T1791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.302444][ T1791] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 202.302726][ T1791] ? __create_object (mm/kmemleak.c:771) 
[ 202.303001][ T1791] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 202.303275][ T1791] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 202.303557][ T1791] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 202.303908][ T1791] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 202.304190][ T1791] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 202.304467][ T1791] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 202.304760][ T1791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.305043][ T1791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.305316][ T1791] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 202.305600][ T1791] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 202.305878][ T1791] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 202.306158][ T1791] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 202.306432][ T1791] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 202.306718][ T1791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.307000][ T1791] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 202.307273][ T1791] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 202.307566][ T1791] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 202.307852][ T1791] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 202.308134][ T1791] ? 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) 
[ 202.308410][ T1791] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 202.308705][ T1791] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 202.308988][ T1791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.309267][ T1791] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 202.309563][ T1791] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 202.309840][ T1791] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 202.310124][ T1791] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 202.310409][ T1791] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 202.310688][ T1791] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 202.311040][ T1791] ___sys_sendmsg (net/socket.c:2670) 
[ 202.311315][ T1791] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 202.311595][ T1791] ? __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) 
[ 202.311939][ T1791] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 202.312232][ T1791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.312539][ T1791] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.312823][ T1791] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.313099][ T1791] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 202.313369][ T1791] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 202.313656][ T1791] __sys_sendmsg (net/socket.c:2700) 
[ 202.313928][ T1791] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 202.314263][ T1791] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 202.314562][ T1791] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 202.314841][ T1791] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 202.315113][ T1791] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  202.315448][ T1791] RIP: 0033:0x7f6d9309c1e7
[ 202.315739][ T1791] 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)
[  202.316740][ T1791] RSP: 002b:00007fff2269c138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  202.317153][ T1791] RAX: ffffffffffffffda RBX: 00007fff2269c870 RCX: 00007f6d9309c1e7
[  202.317568][ T1791] RDX: 0000000000000000 RSI: 00007fff2269c1a0 RDI: 0000000000000005
[  202.317975][ T1791] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  202.318390][ T1791] R10: 00007f6d92f99498 R11: 0000000000000246 R12: 0000000000000004
[  202.318807][ T1791] R13: 00000000686e509e R14: 0000000000499600 R15: 0000000000000000
| [  215.300568][ T1899] ------------[ cut here ]------------
| [ 215.300884][ T1899] WARNING: CPU: 3 PID: 1899 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) 
| [  215.301500][ T1899] Modules linked in:
| [  215.303266][ T1899] Tainted: [W]=WARN
[  215.303500][ T1899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 215.304035][ T1899] 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) 
[ 215.304355][ T1899] 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
[  215.305473][ T1899] RSP: 0018:ffffc900058c6ef0 EFLAGS: 00010246
[  215.305875][ T1899] RAX: 0000000000000000 RBX: ffff88800c91a000 RCX: 0000000000000001
[  215.306337][ T1899] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  215.306803][ T1899] RBP: ffffc900058c6fd8 R08: 0000000000000000 R09: 0000000000000000
[  215.307268][ T1899] R10: ffffc900058c7008 R11: ffffffffa0f8d1e0 R12: 1ffff92000b18de2
[  215.307734][ T1899] R13: 00000000000005dc R14: ffffc900058c7008 R15: ffff88800c91af48
[  215.308198][ T1899] FS:  00007fdce6851800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[  215.308754][ T1899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  215.309147][ T1899] CR2: 00000000004e59f0 CR3: 0000000011d41006 CR4: 0000000000772ef0
[  215.309617][ T1899] PKRU: 55555554
[  215.309850][ T1899] Call Trace:
[  215.310080][ T1899]  <TASK>
[ 215.310240][ T1899] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 215.310557][ T1899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.310881][ T1899] netif_set_mtu (net/core/dev.c:9652) 
[ 215.311188][ T1899] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 215.311526][ T1899] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 215.311764][ T1899] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 215.312082][ T1899] br_add_if (net/bridge/br_if.c:697) 
[ 215.312331][ T1899] do_set_master (net/core/rtnetlink.c:2948) 
[ 215.312650][ T1899] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 215.312969][ T1899] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 215.313283][ T1899] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 215.313688][ T1899] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 215.314001][ T1899] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 215.314307][ T1899] ? __kernel_text_address (kernel/extable.c:79) 
[ 215.314632][ T1899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.314947][ T1899] ? __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) 
[ 215.315261][ T1899] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 215.315653][ T1899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.315968][ T1899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.316273][ T1899] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 215.316595][ T1899] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 215.316908][ T1899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.317217][ T1899] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 215.317535][ T1899] ? __create_object (mm/kmemleak.c:771) 
[ 215.317846][ T1899] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 215.318156][ T1899] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 215.318472][ T1899] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 215.318869][ T1899] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 215.319191][ T1899] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 215.319504][ T1899] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 215.319822][ T1899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.320141][ T1899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.320461][ T1899] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 215.320792][ T1899] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 215.321106][ T1899] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 215.321412][ T1899] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 215.321736][ T1899] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 215.322045][ T1899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.322369][ T1899] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 215.322686][ T1899] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 215.322999][ T1899] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 215.323317][ T1899] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 215.323631][ T1899] ? 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) 
[ 215.323943][ T1899] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 215.324254][ T1899] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 215.324594][ T1899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.324916][ T1899] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 215.325234][ T1899] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 215.325551][ T1899] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 215.325866][ T1899] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 215.326183][ T1899] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 215.326489][ T1899] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 215.326896][ T1899] ___sys_sendmsg (net/socket.c:2670) 
[ 215.327200][ T1899] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 215.327525][ T1899] ? __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) 
[ 215.327913][ T1899] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 215.328225][ T1899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.328553][ T1899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.328868][ T1899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.329176][ T1899] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 215.329483][ T1899] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 215.329816][ T1899] __sys_sendmsg (net/socket.c:2700) 
[ 215.330126][ T1899] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 215.330509][ T1899] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 215.330840][ T1899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.331149][ T1899] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 215.331459][ T1899] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  215.331847][ T1899] RIP: 0033:0x7fdce6a1e1e7
[ 215.332176][ T1899] 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)
[  215.333300][ T1899] RSP: 002b:00007ffeb52f2058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  215.333771][ T1899] RAX: ffffffffffffffda RBX: 00007ffeb52f2790 RCX: 00007fdce6a1e1e7
[  215.334240][ T1899] RDX: 0000000000000000 RSI: 00007ffeb52f20c0 RDI: 0000000000000005
[  215.334709][ T1899] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  215.335170][ T1899] R10: 0000000039380910 R11: 0000000000000246 R12: 0000000000000004
[  215.335641][ T1899] R13: 00000000686e50ab R14: 0000000000499600 R15: 0000000000000000
| [  215.462447][ T1900] ------------[ cut here ]------------
| [ 215.462785][ T1900] WARNING: CPU: 2 PID: 1900 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) 
| [  215.463376][ T1900] Modules linked in:
| [  215.464242][ T1900] Tainted: [W]=WARN
[  215.464475][ T1900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 215.464865][ T1900] 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) 
[ 215.465180][ T1900] 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
[  215.466252][ T1900] RSP: 0018:ffffc900058c6ef0 EFLAGS: 00010246
[  215.466647][ T1900] RAX: 0000000000000000 RBX: ffff88800c91a000 RCX: 0000000000000001
[  215.467096][ T1900] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  215.467562][ T1900] RBP: ffffc900058c6fd8 R08: 0000000000000000 R09: 0000000000000000
[  215.468016][ T1900] R10: ffffc900058c7008 R11: ffffffffa0f8d1e0 R12: 1ffff92000b18de2
[  215.468464][ T1900] R13: 00000000000005dc R14: ffffc900058c7008 R15: ffff88800c91af48
[  215.469781][ T1900] FS:  00007f64fcd9f800(0000) GS:ffff8880ca499000(0000) knlGS:0000000000000000
[  215.470316][ T1900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  215.470714][ T1900] CR2: 00000000004e59f8 CR3: 0000000005132002 CR4: 0000000000772ef0
[  215.471170][ T1900] PKRU: 55555554
[  215.471405][ T1900] Call Trace:
[  215.471652][ T1900]  <TASK>
[ 215.471820][ T1900] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 215.472129][ T1900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.472462][ T1900] netif_set_mtu (net/core/dev.c:9652) 
[ 215.472786][ T1900] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 215.473109][ T1900] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 215.473346][ T1900] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 215.473668][ T1900] br_add_if (net/bridge/br_if.c:697) 
[ 215.473914][ T1900] do_set_master (net/core/rtnetlink.c:2948) 
[ 215.474220][ T1900] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 215.474543][ T1900] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 215.474858][ T1900] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 215.475242][ T1900] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 215.475574][ T1900] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 215.475878][ T1900] ? __kernel_text_address (kernel/extable.c:79) 
[ 215.476185][ T1900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.476492][ T1900] ? __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) 
[ 215.476813][ T1900] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 215.477194][ T1900] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.477503][ T1900] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.477823][ T1900] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 215.478131][ T1900] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 215.478438][ T1900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.478756][ T1900] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 215.479060][ T1900] ? __create_object (mm/kmemleak.c:771) 
[ 215.479370][ T1900] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 215.479692][ T1900] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 215.480004][ T1900] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 215.480380][ T1900] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 215.480702][ T1900] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 215.481014][ T1900] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 215.481320][ T1900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.481640][ T1900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.481952][ T1900] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 215.482269][ T1900] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 215.482589][ T1900] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 215.482897][ T1900] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 215.483206][ T1900] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 215.483533][ T1900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.483848][ T1900] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 215.484156][ T1900] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 215.484467][ T1900] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 215.484797][ T1900] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 215.485102][ T1900] ? 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) 
[ 215.485411][ T1900] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 215.485744][ T1900] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 215.486056][ T1900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.486371][ T1900] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 215.486699][ T1900] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 215.487006][ T1900] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 215.487320][ T1900] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 215.487643][ T1900] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 215.487949][ T1900] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 215.488338][ T1900] ___sys_sendmsg (net/socket.c:2670) 
[ 215.488653][ T1900] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 215.488961][ T1900] ? __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) 
[ 215.489339][ T1900] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 215.489657][ T1900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.489967][ T1900] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.490279][ T1900] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.490596][ T1900] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 215.490903][ T1900] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 215.491221][ T1900] __sys_sendmsg (net/socket.c:2700) 
[ 215.491535][ T1900] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 215.491914][ T1900] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 215.492237][ T1900] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.492556][ T1900] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 215.492867][ T1900] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  215.493246][ T1900] RIP: 0033:0x7f64fcf6c1e7
[ 215.493577][ T1900] 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)
[  215.494648][ T1900] RSP: 002b:00007ffcdcd23358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  215.495104][ T1900] RAX: ffffffffffffffda RBX: 00007ffcdcd23a90 RCX: 00007f64fcf6c1e7
[  215.495570][ T1900] RDX: 0000000000000000 RSI: 00007ffcdcd233c0 RDI: 0000000000000005
[  215.496020][ T1900] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  215.496473][ T1900] R10: 00000000341a2910 R11: 0000000000000246 R12: 0000000000000004
[  215.496935][ T1900] R13: 00000000686e50ac R14: 0000000000499600 R15: 0000000000000000
| [  216.350414][ T1907] ------------[ cut here ]------------
| [ 216.350812][ T1907] WARNING: CPU: 0 PID: 1907 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) 
| [  216.351790][ T1907] Modules linked in:
| [  216.354274][ T1907] Tainted: [W]=WARN
[  216.354577][ T1907] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 216.355163][ T1907] 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) 
[ 216.355704][ T1907] 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
[  216.357551][ T1907] RSP: 0018:ffffc90005936ef0 EFLAGS: 00010246
[  216.358203][ T1907] RAX: 0000000000000000 RBX: ffff88800b5ea000 RCX: 0000000000000001
[  216.359007][ T1907] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  216.359786][ T1907] RBP: ffffc90005936fd8 R08: 0000000000000000 R09: 0000000000000000
[  216.360566][ T1907] R10: ffffc90005937008 R11: ffffffffa0f8d1e0 R12: 1ffff92000b26de2
[  216.361341][ T1907] R13: 00000000000005dc R14: ffffc90005937008 R15: ffff88800b5eaf48
[  216.362123][ T1907] FS:  00007fcaa988e800(0000) GS:ffff8880ca399000(0000) knlGS:0000000000000000
[  216.363040][ T1907] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  216.363699][ T1907] CR2: 00000000004e59f0 CR3: 0000000012080001 CR4: 0000000000772ef0
[  216.364467][ T1907] PKRU: 55555554
[  216.364866][ T1907] Call Trace:
[  216.365252][ T1907]  <TASK>
[ 216.365537][ T1907] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 216.366050][ T1907] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.366597][ T1907] netif_set_mtu (net/core/dev.c:9652) 
[ 216.367110][ T1907] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 216.367668][ T1907] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 216.368059][ T1907] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 216.368599][ T1907] br_add_if (net/bridge/br_if.c:697) 
[ 216.369008][ T1907] do_set_master (net/core/rtnetlink.c:2948) 
[ 216.369527][ T1907] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 216.370045][ T1907] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 216.370578][ T1907] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 216.371230][ T1907] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 216.371751][ T1907] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 216.372272][ T1907] ? __kernel_text_address (kernel/extable.c:79) 
[ 216.372805][ T1907] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.373323][ T1907] ? __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) 
[ 216.373846][ T1907] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 216.374480][ T1907] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.375008][ T1907] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.375530][ T1907] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 216.376048][ T1907] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 216.376575][ T1907] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.377093][ T1907] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 216.377612][ T1907] ? __create_object (mm/kmemleak.c:771) 
[ 216.378122][ T1907] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 216.378650][ T1907] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 216.379158][ T1907] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 216.379799][ T1907] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 216.380331][ T1907] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 216.380869][ T1907] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 216.381380][ T1907] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.381915][ T1907] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.382433][ T1907] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 216.382955][ T1907] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 216.383472][ T1907] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 216.384000][ T1907] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 216.384537][ T1907] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 216.385060][ T1907] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.385594][ T1907] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 216.386103][ T1907] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 216.386629][ T1907] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 216.387167][ T1907] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 216.387688][ T1907] ? 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) 
[ 216.388212][ T1907] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 216.388744][ T1907] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 216.389253][ T1907] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.389786][ T1907] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 216.390306][ T1907] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 216.390830][ T1907] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 216.391356][ T1907] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 216.391893][ T1907] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 216.392409][ T1907] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 216.393083][ T1907] ___sys_sendmsg (net/socket.c:2670) 
[ 216.393604][ T1907] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 216.394109][ T1907] ? __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) 
[ 216.394756][ T1907] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 216.395277][ T1907] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.395813][ T1907] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.396337][ T1907] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.396862][ T1907] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 216.397370][ T1907] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 216.397909][ T1907] __sys_sendmsg (net/socket.c:2700) 
[ 216.398416][ T1907] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 216.399068][ T1907] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 216.399627][ T1907] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.400143][ T1907] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 216.400672][ T1907] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  216.401304][ T1907] RIP: 0033:0x7fcaa9a5b1e7
[ 216.401844][ T1907] 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)
[  216.403701][ T1907] RSP: 002b:00007ffcf77971a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  216.404470][ T1907] RAX: ffffffffffffffda RBX: 00007ffcf77978e0 RCX: 00007fcaa9a5b1e7
[  216.405256][ T1907] RDX: 0000000000000000 RSI: 00007ffcf7797210 RDI: 0000000000000005
[  216.406036][ T1907] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  216.406821][ T1907] R10: 000000001282b910 R11: 0000000000000246 R12: 0000000000000004
[  216.407596][ T1907] R13: 00000000686e50ac R14: 0000000000499600 R15: 0000000000000000
| [  216.528011][ T1908] ------------[ cut here ]------------
| [ 216.528325][ T1908] WARNING: CPU: 3 PID: 1908 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) 
| [  216.529602][ T1908] Modules linked in:
| [  216.530472][ T1908] Tainted: [W]=WARN
[  216.530715][ T1908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 216.531104][ T1908] 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) 
[ 216.531424][ T1908] 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
[  216.532556][ T1908] RSP: 0018:ffffc90005946ef0 EFLAGS: 00010246
[  216.532948][ T1908] RAX: 0000000000000000 RBX: ffff88800b5ea000 RCX: 0000000000000001
[  216.533409][ T1908] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  216.533893][ T1908] RBP: ffffc90005946fd8 R08: 0000000000000000 R09: 0000000000000000
[  216.534356][ T1908] R10: ffffc90005947008 R11: ffffffffa18ceab8 R12: 1ffff92000b28de2
[  216.534831][ T1908] R13: 00000000000005dc R14: ffffc90005947008 R15: ffff88800b5eaf48
[  216.535293][ T1908] FS:  00007f26d3843800(0000) GS:ffff8880ca519000(0000) knlGS:0000000000000000
[  216.535850][ T1908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  216.536241][ T1908] CR2: 00000000004e59f8 CR3: 0000000011e15004 CR4: 0000000000772ef0
[  216.536717][ T1908] PKRU: 55555554
[  216.536952][ T1908] Call Trace:
[  216.537197][ T1908]  <TASK>
[ 216.537362][ T1908] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 216.537688][ T1908] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 216.538009][ T1908] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 216.538397][ T1908] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 216.538723][ T1908] netif_set_mtu (net/core/dev.c:9652) 
[ 216.539033][ T1908] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 216.539355][ T1908] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 216.539762][ T1908] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 216.539999][ T1908] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 216.540320][ T1908] br_add_if (net/bridge/br_if.c:697) 
[ 216.540575][ T1908] do_set_master (net/core/rtnetlink.c:2948) 
[ 216.540886][ T1908] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 216.541202][ T1908] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 216.541523][ T1908] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 216.541918][ T1908] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 216.542233][ T1908] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 216.542553][ T1908] ? __kernel_text_address (kernel/extable.c:79) 
[ 216.542866][ T1908] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.543185][ T1908] ? __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) 
[ 216.543497][ T1908] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 216.543888][ T1908] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.544201][ T1908] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.544518][ T1908] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 216.544832][ T1908] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 216.545143][ T1908] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.545451][ T1908] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 216.545767][ T1908] ? __create_object (mm/kmemleak.c:771) 
[ 216.546078][ T1908] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 216.546392][ T1908] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 216.546709][ T1908] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 216.547094][ T1908] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 216.547410][ T1908] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 216.547731][ T1908] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 216.548039][ T1908] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.548352][ T1908] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.548672][ T1908] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 216.548981][ T1908] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 216.549294][ T1908] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 216.549616][ T1908] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 216.549930][ T1908] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 216.550246][ T1908] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.550588][ T1908] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 216.550899][ T1908] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 216.551211][ T1908] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 216.551538][ T1908] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 216.551854][ T1908] ? 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) 
[ 216.552169][ T1908] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 216.552483][ T1908] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 216.552801][ T1908] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.553117][ T1908] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 216.553433][ T1908] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 216.553750][ T1908] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 216.554069][ T1908] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 216.554387][ T1908] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 216.554702][ T1908] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 216.555111][ T1908] ___sys_sendmsg (net/socket.c:2670) 
[ 216.555420][ T1908] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 216.555739][ T1908] ? __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) 
[ 216.556130][ T1908] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 216.556450][ T1908] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.556774][ T1908] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.557092][ T1908] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.557400][ T1908] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 216.557714][ T1908] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 216.558028][ T1908] __sys_sendmsg (net/socket.c:2700) 
[ 216.558336][ T1908] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 216.558726][ T1908] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 216.559054][ T1908] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.559365][ T1908] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 216.559690][ T1908] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  216.560073][ T1908] RIP: 0033:0x7f26d3a101e7
[ 216.560392][ T1908] 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)
[  216.561518][ T1908] RSP: 002b:00007fffba9b4378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  216.561985][ T1908] RAX: ffffffffffffffda RBX: 00007fffba9b4ab0 RCX: 00007f26d3a101e7
[  216.562457][ T1908] RDX: 0000000000000000 RSI: 00007fffba9b43e0 RDI: 0000000000000005
[  216.562932][ T1908] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  216.563404][ T1908] R10: 0000000025217910 R11: 0000000000000246 R12: 0000000000000004
[  216.563881][ T1908] R13: 00000000686e50ad R14: 0000000000499600 R15: 0000000000000000
| [  218.778565][ T1927] ------------[ cut here ]------------
| [ 218.778932][ T1927] WARNING: CPU: 2 PID: 1927 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) 
| [  218.779491][ T1927] Modules linked in:
| [  218.780698][ T1927] Tainted: [W]=WARN
[  218.780920][ T1927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 218.781278][ T1927] 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) 
[ 218.781586][ T1927] 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
[  218.782641][ T1927] RSP: 0018:ffffc900054b7140 EFLAGS: 00010246
[  218.783015][ T1927] RAX: 0000000000000000 RBX: ffff88800c014000 RCX: 0000000000000001
[  218.783444][ T1927] RDX: 0000000000000000 RSI: ffffffffa0510759 RDI: ffffffff9fc58280
[  218.783882][ T1927] RBP: ffffc900054b7228 R08: ffff88800ae16800 R09: 0000000000000000
[  218.784308][ T1927] R10: ffffc900054b75c8 R11: ffffffffa1873028 R12: 1ffff92000a96e2c
[  218.784744][ T1927] R13: 0000000000000578 R14: ffffc900054b7880 R15: ffff88800cae9560
[  218.785167][ T1927] FS:  00007f1fb7f9d800(0000) GS:ffff8880ca499000(0000) knlGS:0000000000000000
[  218.785674][ T1927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  218.786033][ T1927] CR2: 00000000004e59f8 CR3: 000000001189d002 CR4: 0000000000772ef0
[  218.786465][ T1927] PKRU: 55555554
[  218.786729][ T1927] Call Trace:
[  218.786951][ T1927]  <TASK>
[ 218.787105][ T1927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.787410][ T1927] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 218.787706][ T1927] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.788006][ T1927] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 218.788297][ T1927] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 218.788601][ T1927] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 218.788901][ T1927] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 218.789196][ T1927] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 218.789566][ T1927] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 218.789857][ T1927] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 218.790143][ T1927] ? __kernel_text_address (kernel/extable.c:79) 
[ 218.790432][ T1927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.790764][ T1927] ? __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) 
[ 218.791060][ T1927] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 218.791415][ T1927] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.791714][ T1927] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.792007][ T1927] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 218.792310][ T1927] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 218.792616][ T1927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.792905][ T1927] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 218.793192][ T1927] ? __create_object (mm/kmemleak.c:771) 
[ 218.793484][ T1927] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 218.793787][ T1927] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 218.794080][ T1927] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 218.794442][ T1927] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 218.794780][ T1927] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 218.795082][ T1927] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.795367][ T1927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.795670][ T1927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.795960][ T1927] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 218.796247][ T1927] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.796556][ T1927] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.796850][ T1927] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 218.797143][ T1927] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.797439][ T1927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.797746][ T1927] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 218.798037][ T1927] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.798332][ T1927] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 218.798678][ T1927] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 218.798968][ T1927] ? 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) 
[ 218.799257][ T1927] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 218.799560][ T1927] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 218.799849][ T1927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.800149][ T1927] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 218.800461][ T1927] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 218.800761][ T1927] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 218.801059][ T1927] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 218.801353][ T1927] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 218.801650][ T1927] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 218.802020][ T1927] ___sys_sendmsg (net/socket.c:2670) 
[ 218.802316][ T1927] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 218.802649][ T1927] ? __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) 
[ 218.803012][ T1927] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 218.803306][ T1927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.803606][ T1927] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.803903][ T1927] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.804192][ T1927] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 218.804485][ T1927] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.804794][ T1927] __sys_sendmsg (net/socket.c:2700) 
[ 218.805088][ T1927] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 218.805438][ T1927] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 218.805749][ T1927] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.806038][ T1927] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 218.806334][ T1927] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  218.806733][ T1927] RIP: 0033:0x7f1fb816a1e7
[ 218.807037][ T1927] 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)
[  218.808046][ T1927] RSP: 002b:00007ffc9d438718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  218.808472][ T1927] RAX: ffffffffffffffda RBX: 00007ffc9d438e50 RCX: 00007f1fb816a1e7
[  218.808910][ T1927] RDX: 0000000000000000 RSI: 00007ffc9d438780 RDI: 0000000000000005
[  218.809342][ T1927] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  218.809806][ T1927] R10: 00007f1fb8067498 R11: 0000000000000246 R12: 0000000000000004


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