======================================
| [   22.646456][  T320] eth0: entered promiscuous mode
| [   22.649882][  T320] ------------[ cut here ]------------
| [ 22.650333][ T320] WARNING: CPU: 0 PID: 320 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.650971][  T320] Modules linked in:
[   22.651875][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.652279][ T320] 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) 
[ 22.652614][ T320] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.653750][  T320] RSP: 0018:ffffc90000f16ef0 EFLAGS: 00010246
[   22.654151][  T320] RAX: 0000000000000000 RBX: ffff88800506a000 RCX: 0000000000000001
[   22.654625][  T320] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   22.655100][  T320] RBP: ffffc90000f16fd8 R08: 0000000000000000 R09: 0000000000000000
[   22.655605][  T320] R10: ffffc90000f17008 R11: ffffffffa5b8d1e0 R12: 1ffff920001e2de2
[   22.656073][  T320] R13: 00000000000005dc R14: ffffc90000f17008 R15: ffff88800506af48
[   22.657913][  T320] FS:  00007f19c88d5800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   22.658476][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.658876][  T320] CR2: 00000000004e59f0 CR3: 000000000af63001 CR4: 0000000000772ef0
[   22.659370][  T320] PKRU: 55555554
[   22.659610][  T320] Call Trace:
[   22.659872][  T320]  <TASK>
[ 22.660045][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.660367][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.660702][ T320] netif_set_mtu (net/core/dev.c:9652) 
[ 22.661020][ T320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.661349][ T320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.661586][ T320] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 22.661902][ T320] br_add_if (net/bridge/br_if.c:697) 
[ 22.662147][ T320] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.662461][ T320] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.662784][ T320] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.663094][ T320] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.663503][ T320] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.663822][ T320] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.664128][ T320] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.664450][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.664762][ T320] ? __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) 
[ 22.665075][ T320] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.665471][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.665784][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.666090][ T320] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.666409][ T320] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.666725][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.667031][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.667356][ T320] ? __create_object (mm/kmemleak.c:771) 
[ 22.667675][ T320] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.667983][ T320] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.668314][ T320] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.668694][ T320] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.669008][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.669326][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.669633][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.669944][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.670267][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.670570][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.670876][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.671204][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.671516][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.671824][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.672134][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.672457][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.672766][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.673083][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.673396][ T320] ? 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) 
[ 22.673704][ T320] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.674015][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.674328][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.674645][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.674955][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.675282][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.675618][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.675930][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.676241][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.676633][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 22.676939][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.677252][ T320] ? __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) 
[ 22.677636][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.677949][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.678264][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.678820][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.679127][ T320] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.679466][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.679788][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 22.680316][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.680695][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.681013][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.681328][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.681848][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.682240][  T320] RIP: 0033:0x7f19c8aa21e7
[ 22.682566][ T320] 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)
[   22.683907][  T320] RSP: 002b:00007fffa907f868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.684610][  T320] RAX: ffffffffffffffda RBX: 00007fffa907ffa0 RCX: 00007f19c8aa21e7
[   22.685087][  T320] RDX: 0000000000000000 RSI: 00007fffa907f8d0 RDI: 0000000000000005
[   22.685570][  T320] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.686258][  T320] R10: 000000002d209910 R11: 0000000000000246 R12: 0000000000000004
[   22.686727][  T320] R13: 00000000686e7e72 R14: 0000000000499600 R15: 0000000000000000
| [   22.817143][  T321] ------------[ cut here ]------------
| [ 22.817488][ T321] WARNING: CPU: 3 PID: 321 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.818094][  T321] Modules linked in:
| [   22.819096][  T321] Tainted: [W]=WARN
[   22.819476][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.819861][ T321] 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) 
[ 22.820187][ T321] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.821279][  T321] RSP: 0018:ffffc90000e46ef0 EFLAGS: 00010246
[   22.821662][  T321] RAX: 0000000000000000 RBX: ffff88800506a000 RCX: 0000000000000001
[   22.822123][  T321] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   22.822584][  T321] RBP: ffffc90000e46fd8 R08: 0000000000000000 R09: 0000000000000000
[   22.823034][  T321] R10: ffffc90000e47008 R11: ffffffffa5b8d1e0 R12: 1ffff920001c8de2
[   22.823498][  T321] R13: 00000000000005dc R14: ffffc90000e47008 R15: ffff88800506af48
[   22.823961][  T321] FS:  00007f26c7728800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[   22.824502][  T321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.824884][  T321] CR2: 00000000004e59f8 CR3: 000000001055c004 CR4: 0000000000772ef0
[   22.825351][  T321] PKRU: 55555554
[   22.825589][  T321] Call Trace:
[   22.825816][  T321]  <TASK>
[ 22.825977][ T321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.826293][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.826610][ T321] netif_set_mtu (net/core/dev.c:9652) 
[ 22.826912][ T321] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.827259][ T321] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.827492][ T321] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 22.827801][ T321] br_add_if (net/bridge/br_if.c:697) 
[ 22.828040][ T321] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.828364][ T321] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.828672][ T321] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.828979][ T321] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.829373][ T321] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.829675][ T321] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.829977][ T321] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.830294][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.830603][ T321] ? __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) 
[ 22.830906][ T321] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.831292][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.831603][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.831900][ T321] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.832214][ T321] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.832518][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.832828][ T321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.833127][ T321] ? __create_object (mm/kmemleak.c:771) 
[ 22.833443][ T321] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.833748][ T321] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.834050][ T321] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.834435][ T321] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.834747][ T321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.835063][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.835381][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.835701][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.836005][ T321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.836319][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.836629][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.836929][ T321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.837245][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.837554][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.837859][ T321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.838161][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.838474][ T321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.838788][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.839086][ T321] ? 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) 
[ 22.839402][ T321] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.839722][ T321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.840023][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.840344][ T321] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.840651][ T321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.840951][ T321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.841269][ T321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.841578][ T321] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.841883][ T321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.842278][ T321] ___sys_sendmsg (net/socket.c:2670) 
[ 22.842583][ T321] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.842884][ T321] ? __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) 
[ 22.843276][ T321] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.843592][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.843898][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.844230][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.844540][ T321] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.844842][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.845154][ T321] __sys_sendmsg (net/socket.c:2700) 
[ 22.845475][ T321] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.845859][ T321] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.846187][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.846496][ T321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.846809][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.847200][  T321] RIP: 0033:0x7f26c78f51e7
[ 22.847520][ T321] 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)
[   22.848618][  T321] RSP: 002b:00007ffed48996d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.849087][  T321] RAX: ffffffffffffffda RBX: 00007ffed4899e10 RCX: 00007f26c78f51e7
[   22.849550][  T321] RDX: 0000000000000000 RSI: 00007ffed4899740 RDI: 0000000000000005
[   22.850237][  T321] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.850688][  T321] R10: 000000002cc28910 R11: 0000000000000246 R12: 0000000000000004
[   22.851143][  T321] R13: 00000000686e7e72 R14: 0000000000499600 R15: 0000000000000000
| [   33.210053][  T375] ------------[ cut here ]------------
| [ 33.210723][ T375] WARNING: CPU: 0 PID: 375 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.211307][  T375] Modules linked in:
| [   33.212115][  T375] Tainted: [W]=WARN
[   33.212343][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.212704][ T375] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.213000][ T375] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.214049][  T375] RSP: 0018:ffffc90001047140 EFLAGS: 00010246
[   33.214423][  T375] RAX: 0000000000000000 RBX: ffff888004ee9000 RCX: 0000000000000001
[   33.214846][  T375] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   33.215280][  T375] RBP: ffffc90001047228 R08: ffff88800b533800 R09: 0000000000000000
[   33.215716][  T375] R10: ffffc900010475c8 R11: ffffffffa6473028 R12: 1ffff92000208e2c
[   33.216149][  T375] R13: 0000000000000514 R14: ffffc90001047880 R15: ffff88800ddb5c60
[   33.216585][  T375] FS:  00007fd5c3e32800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   33.217090][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.217463][  T375] CR2: 00000000004e59f0 CR3: 000000001054a005 CR4: 0000000000772ef0
[   33.217904][  T375] PKRU: 55555554
[   33.218119][  T375] Call Trace:
[   33.218346][  T375]  <TASK>
[ 33.218495][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.218791][ T375] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.219077][ T375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.219376][ T375] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 33.219668][ T375] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 33.219968][ T375] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.220272][ T375] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 33.220569][ T375] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.220934][ T375] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.221232][ T375] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.221519][ T375] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.221809][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.222106][ T375] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.222406][ T375] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.222761][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.223051][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.223345][ T375] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.223633][ T375] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.223924][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.224222][ T375] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.224508][ T375] ? __create_object (mm/kmemleak.c:771) 
[ 33.224802][ T375] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.225090][ T375] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.225393][ T375] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.225766][ T375] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.226062][ T375] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.226369][ T375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.226662][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.226956][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.227251][ T375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.227535][ T375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.227823][ T375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.228108][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.228404][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.228696][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.228991][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.229289][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.229580][ T375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.229876][ T375] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.230160][ T375] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.230459][ T375] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 33.230751][ T375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.231043][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.231345][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.231639][ T375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.231929][ T375] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.232238][ T375] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.232531][ T375] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.232817][ T375] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.233201][ T375] ___sys_sendmsg (net/socket.c:2670) 
[ 33.233488][ T375] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.233773][ T375] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.234128][ T375] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.234427][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.234717][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.235010][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.235320][ T375] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.235617][ T375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.235911][ T375] __sys_sendmsg (net/socket.c:2700) 
[ 33.236202][ T375] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.236558][ T375] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.236862][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.237152][ T375] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.237458][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.237815][  T375] RIP: 0033:0x7fd5c3fff1e7
[ 33.238114][ T375] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.239146][  T375] RSP: 002b:00007ffda5e2ed68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.239587][  T375] RAX: ffffffffffffffda RBX: 00007ffda5e2f4a0 RCX: 00007fd5c3fff1e7
[   33.240016][  T375] RDX: 0000000000000000 RSI: 00007ffda5e2edd0 RDI: 0000000000000005
[   33.240452][  T375] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   33.240883][  T375] R10: 00007fd5c3efc498 R11: 0000000000000246 R12: 0000000000000003
[   33.241325][  T375] R13: 00000000686e7e7c R14: 0000000000499600 R15: 0000000000000000
| [   33.390046][  T377] ------------[ cut here ]------------
| [ 33.390613][ T377] WARNING: CPU: 0 PID: 377 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) 
| [   33.391197][  T377] Modules linked in:
| [   33.392004][  T377] Tainted: [W]=WARN
[   33.392228][  T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.392585][ T377] 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) 
[ 33.392878][ T377] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.393914][  T377] RSP: 0018:ffffc90001037140 EFLAGS: 00010246
[   33.394287][  T377] RAX: 0000000000000000 RBX: ffff88800f0c1000 RCX: 0000000000000001
[   33.394713][  T377] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   33.395149][  T377] RBP: ffffc90001037228 R08: ffff88800dc40800 R09: 0000000000000000
[   33.395598][  T377] R10: ffffc900010375c8 R11: ffffffffa6473028 R12: 1ffff92000206e2c
[   33.396030][  T377] R13: 0000000000000514 R14: ffffc90001037880 R15: ffff888009c6dc60
[   33.396472][  T377] FS:  00007f4f66417800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   33.396973][  T377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.397344][  T377] CR2: 00000000004e5a00 CR3: 000000000f2e5002 CR4: 0000000000772ef0
[   33.397774][  T377] PKRU: 55555554
[   33.397988][  T377] Call Trace:
[   33.398209][  T377]  <TASK>
[ 33.398355][ T377] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.398645][ T377] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.398929][ T377] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.399231][ T377] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 33.399519][ T377] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 33.399806][ T377] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.400095][ T377] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 33.400397][ T377] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.400759][ T377] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.401048][ T377] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.401341][ T377] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.401630][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.401918][ T377] ? __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) 
[ 33.402210][ T377] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.402565][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.402852][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.403137][ T377] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.403436][ T377] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.403723][ T377] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.404009][ T377] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.404302][ T377] ? __create_object (mm/kmemleak.c:771) 
[ 33.404592][ T377] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.404878][ T377] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.405164][ T377] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.405540][ T377] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.405834][ T377] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.406125][ T377] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.406418][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.406710][ T377] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.406996][ T377] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.407288][ T377] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.407576][ T377] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.407868][ T377] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.408156][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.408456][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.408748][ T377] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.409034][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.409332][ T377] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.409630][ T377] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.409920][ T377] ? 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) 
[ 33.410216][ T377] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 33.410508][ T377] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.410792][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.411087][ T377] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.411388][ T377] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.411674][ T377] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.411971][ T377] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.412268][ T377] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.412554][ T377] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.412920][ T377] ___sys_sendmsg (net/socket.c:2670) 
[ 33.413211][ T377] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.413499][ T377] ? __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) 
[ 33.413855][ T377] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.414149][ T377] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.414458][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.414749][ T377] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.415036][ T377] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.415330][ T377] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.415629][ T377] __sys_sendmsg (net/socket.c:2700) 
[ 33.415912][ T377] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.416272][ T377] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.416576][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.416864][ T377] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.417151][ T377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.417511][  T377] RIP: 0033:0x7f4f665e41e7
[ 33.417805][ T377] 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)
[   33.418836][  T377] RSP: 002b:00007fffd3c38e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.419275][  T377] RAX: ffffffffffffffda RBX: 00007fffd3c39590 RCX: 00007f4f665e41e7
[   33.419706][  T377] RDX: 0000000000000000 RSI: 00007fffd3c38ec0 RDI: 0000000000000005
[   33.420140][  T377] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   33.420584][  T377] R10: 00007f4f664e1498 R11: 0000000000000246 R12: 0000000000000003
[   33.421012][  T377] R13: 00000000686e7e7c R14: 0000000000499600 R15: 0000000000000000
| [   34.191716][  T387] ------------[ cut here ]------------
| [ 34.192042][ T387] WARNING: CPU: 0 PID: 387 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) 
| [   34.192638][  T387] Modules linked in:
| [   34.193473][  T387] Tainted: [W]=WARN
[   34.193691][  T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.194050][ T387] 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) 
[ 34.194355][ T387] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.195387][  T387] RSP: 0018:ffffc90001077140 EFLAGS: 00010246
[   34.195758][  T387] RAX: 0000000000000000 RBX: ffff888004ee9000 RCX: 0000000000000001
[   34.196220][  T387] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   34.196662][  T387] RBP: ffffc90001077228 R08: ffff88800bf60800 R09: 0000000000000000
[   34.197122][  T387] R10: ffffc900010775c8 R11: ffffffffa6473028 R12: 1ffff9200020ee2c
[   34.197735][  T387] R13: 00000000000005dc R14: ffffc90001077880 R15: ffff888009c6c760
[   34.198167][  T387] FS:  00007f96fdc19800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   34.198684][  T387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.199047][  T387] CR2: 00000000004e59f0 CR3: 000000000c9a4001 CR4: 0000000000772ef0
[   34.199496][  T387] PKRU: 55555554
[   34.199719][  T387] Call Trace:
[   34.199934][  T387]  <TASK>
[ 34.200080][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.200395][ T387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.200694][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.200991][ T387] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.201295][ T387] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.201583][ T387] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.201887][ T387] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.202193][ T387] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.202560][ T387] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.202862][ T387] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.203146][ T387] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.203468][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.203773][ T387] ? __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) 
[ 34.204060][ T387] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.204445][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.204737][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.205040][ T387] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.205337][ T387] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.205702][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.205995][ T387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.206291][ T387] ? __create_object (mm/kmemleak.c:771) 
[ 34.206584][ T387] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.206890][ T387] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.207203][ T387] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.207560][ T387] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.207872][ T387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.208165][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.208462][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.208757][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.209065][ T387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.209372][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.209663][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.209963][ T387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.210262][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.210552][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.210859][ T387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.211146][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.211444][ T387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.211749][ T387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.212034][ T387] ? 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) 
[ 34.212333][ T387] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.212624][ T387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.212910][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.213210][ T387] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.213501][ T387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.213799][ T387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.214094][ T387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.214392][ T387] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.214680][ T387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.215048][ T387] ___sys_sendmsg (net/socket.c:2670) 
[ 34.215338][ T387] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.215632][ T387] ? __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) 
[ 34.215998][ T387] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.216295][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.216588][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.216879][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.217165][ T387] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.217460][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.217754][ T387] __sys_sendmsg (net/socket.c:2700) 
[ 34.218036][ T387] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.218401][ T387] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.218702][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.218991][ T387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.219286][ T387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.219642][  T387] RIP: 0033:0x7f96fdde61e7
[ 34.219937][ T387] 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)
[   34.220971][  T387] RSP: 002b:00007ffc77916ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.221410][  T387] RAX: ffffffffffffffda RBX: 00007ffc779173e0 RCX: 00007f96fdde61e7
[   34.221840][  T387] RDX: 0000000000000000 RSI: 00007ffc77916d10 RDI: 0000000000000005
[   34.222277][  T387] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   34.222719][  T387] R10: 00007f96fdce3498 R11: 0000000000000246 R12: 0000000000000003
[   34.223153][  T387] R13: 00000000686e7e7d R14: 0000000000499600 R15: 0000000000000000
| [   34.362545][  T389] ------------[ cut here ]------------
| [ 34.362871][ T389] WARNING: CPU: 1 PID: 389 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) 
| [   34.363444][  T389] Modules linked in:
| [   34.365143][  T389] Tainted: [W]=WARN
[   34.365365][  T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.365722][ T389] 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) 
[ 34.366009][ T389] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.367014][  T389] RSP: 0018:ffffc900010e7140 EFLAGS: 00010246
[   34.367386][  T389] RAX: 0000000000000000 RBX: ffff88800f0c1000 RCX: 0000000000000001
[   34.367812][  T389] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   34.368239][  T389] RBP: ffffc900010e7228 R08: ffff88800ad12000 R09: 0000000000000000
[   34.368653][  T389] R10: ffffc900010e75c8 R11: ffffffffa6473028 R12: 1ffff9200021ce2c
[   34.369065][  T389] R13: 00000000000005dc R14: ffffc900010e7880 R15: ffff88800e987860
[   34.369488][  T389] FS:  00007f09c64df800(0000) GS:ffff8880c5819000(0000) knlGS:0000000000000000
[   34.369974][  T389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.370333][  T389] CR2: 00000000004e5a00 CR3: 000000000e24c002 CR4: 0000000000772ef0
[   34.370752][  T389] PKRU: 55555554
[   34.370961][  T389] Call Trace:
[   34.371168][  T389]  <TASK>
[ 34.371333][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.371618][ T389] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.371891][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.372187][ T389] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.372468][ T389] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.372745][ T389] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.373025][ T389] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.373317][ T389] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.373668][ T389] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.373952][ T389] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.374236][ T389] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.374516][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.374795][ T389] ? __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) 
[ 34.375072][ T389] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.375432][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.375725][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.376006][ T389] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.376293][ T389] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.376573][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.376849][ T389] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.377133][ T389] ? __create_object (mm/kmemleak.c:771) 
[ 34.377420][ T389] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.377701][ T389] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.377980][ T389] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.378338][ T389] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.378622][ T389] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.378904][ T389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.379217][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.379503][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.379782][ T389] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.380060][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.380352][ T389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.380636][ T389] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.380918][ T389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.381208][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.381491][ T389] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.381768][ T389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.382049][ T389] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.382347][ T389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.382628][ T389] ? 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) 
[ 34.382907][ T389] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.383206][ T389] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.383491][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.383774][ T389] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.384057][ T389] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.384342][ T389] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.384633][ T389] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.384916][ T389] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.385200][ T389] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.385565][ T389] ___sys_sendmsg (net/socket.c:2670) 
[ 34.385842][ T389] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.386118][ T389] ? __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) 
[ 34.386473][ T389] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.386762][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.387042][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.387344][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.387625][ T389] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.387905][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.388203][ T389] __sys_sendmsg (net/socket.c:2700) 
[ 34.388480][ T389] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.388832][ T389] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.389121][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.389407][ T389] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.389690][ T389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.390033][  T389] RIP: 0033:0x7f09c66ac1e7
[ 34.390331][ T389] 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)
[   34.391355][  T389] RSP: 002b:00007fff6f0fe068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.391784][  T389] RAX: ffffffffffffffda RBX: 00007fff6f0fe7a0 RCX: 00007f09c66ac1e7
[   34.392212][  T389] RDX: 0000000000000000 RSI: 00007fff6f0fe0d0 RDI: 0000000000000005
[   34.392631][  T389] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   34.393062][  T389] R10: 00007f09c65a9498 R11: 0000000000000246 R12: 0000000000000003
[   34.393489][  T389] R13: 00000000686e7e7d R14: 0000000000499600 R15: 0000000000000000
| [   36.243821][  T417] ------------[ cut here ]------------
| [ 36.244412][ T417] WARNING: CPU: 2 PID: 417 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) 
| [   36.245007][  T417] Modules linked in:
| [   36.245874][  T417] Tainted: [W]=WARN
[   36.246106][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.246490][ T417] 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) 
[ 36.246804][ T417] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.247866][  T417] RSP: 0018:ffffc90001177140 EFLAGS: 00010246
[   36.248262][  T417] RAX: 0000000000000000 RBX: ffff888004ee9000 RCX: 0000000000000001
[   36.248714][  T417] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   36.249164][  T417] RBP: ffffc90001177228 R08: ffff88800e8db800 R09: 0000000000000000
[   36.249618][  T417] R10: ffffc900011775c8 R11: ffffffffa6473028 R12: 1ffff9200022ee2c
[   36.250067][  T417] R13: 0000000000000514 R14: ffffc90001177880 R15: ffff88800e27b160
[   36.250524][  T417] FS:  00007f14ff2c1800(0000) GS:ffff8880c5899000(0000) knlGS:0000000000000000
[   36.251043][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.251429][  T417] CR2: 00000000004e59f0 CR3: 0000000010820006 CR4: 0000000000772ef0
[   36.251885][  T417] PKRU: 55555554
[   36.252116][  T417] Call Trace:
[   36.252369][  T417]  <TASK>
[ 36.252539][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.252847][ T417] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.253149][ T417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.253596][ T417] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.254292][ T417] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.254740][ T417] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.255050][ T417] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.255366][ T417] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.255754][ T417] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.256057][ T417] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.256384][ T417] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.256697][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.257006][ T417] ? __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) 
[ 36.257322][ T417] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.257693][ T417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.257996][ T417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.258305][ T417] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.258606][ T417] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.258912][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.259224][ T417] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.259523][ T417] ? __create_object (mm/kmemleak.c:771) 
[ 36.259825][ T417] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.260132][ T417] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.260460][ T417] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.260841][ T417] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.261149][ T417] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.261472][ T417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.261773][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.262081][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.262391][ T417] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.262692][ T417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.262995][ T417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.263321][ T417] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.263622][ T417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.263929][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.264260][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.264570][ T417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.264870][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.265195][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.265502][ T417] ? 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) 
[ 36.265806][ T417] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.266112][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.266422][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.266726][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.267033][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.267342][ T417] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.267651][ T417] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.267954][ T417] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.268286][ T417] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.268666][ T417] ___sys_sendmsg (net/socket.c:2670) 
[ 36.268966][ T417] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.269277][ T417] ? __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) 
[ 36.269653][ T417] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.269955][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.270269][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.270580][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.270882][ T417] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.271190][ T417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.271498][ T417] __sys_sendmsg (net/socket.c:2700) 
[ 36.271794][ T417] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.272161][ T417] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.272499][ T417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.272806][ T417] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.273116][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.273494][  T417] RIP: 0033:0x7f14ff48e1e7
[ 36.273802][ T417] 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)
[   36.274843][  T417] RSP: 002b:00007ffef0919f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.275306][  T417] RAX: ffffffffffffffda RBX: 00007ffef091a670 RCX: 00007f14ff48e1e7
[   36.275758][  T417] RDX: 0000000000000000 RSI: 00007ffef0919fa0 RDI: 0000000000000005
[   36.276226][  T417] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   36.276672][  T417] R10: 00007f14ff38b498 R11: 0000000000000246 R12: 0000000000000003
[   36.277137][  T417] R13: 00000000686e7e7f R14: 0000000000499600 R15: 0000000000000000
| [   36.408288][  T419] ------------[ cut here ]------------
| [ 36.408607][ T419] WARNING: CPU: 0 PID: 419 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) 
| [   36.409188][  T419] Modules linked in:
| [   36.409988][  T419] Tainted: [W]=WARN
[   36.410217][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.410576][ T419] 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) 
[ 36.410873][ T419] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.411915][  T419] RSP: 0018:ffffc90001167140 EFLAGS: 00010246
[   36.412310][  T419] RAX: 0000000000000000 RBX: ffff88800f0c1000 RCX: 0000000000000001
[   36.412745][  T419] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   36.413773][  T419] RBP: ffffc90001167228 R08: ffff88800ae4e800 R09: 0000000000000000
[   36.414214][  T419] R10: ffffc900011675c8 R11: ffffffffa6473028 R12: 1ffff9200022ce2c
[   36.414643][  T419] R13: 0000000000000514 R14: ffffc90001167880 R15: ffff88800e27b4e0
[   36.415081][  T419] FS:  00007f8fdbee3800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   36.415601][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.415963][  T419] CR2: 00000000004e5a00 CR3: 00000000099b6006 CR4: 0000000000772ef0
[   36.416416][  T419] PKRU: 55555554
[   36.416633][  T419] Call Trace:
[   36.416853][  T419]  <TASK>
[ 36.416999][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.417300][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.417587][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.417876][ T419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.418163][ T419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.418458][ T419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.418753][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.419045][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.419418][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.419704][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.419990][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.420298][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.420590][ T419] ? __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) 
[ 36.420880][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.421242][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.421529][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.421814][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.422100][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.422395][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.422681][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.422965][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 36.423264][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.423552][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.423839][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.424215][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.424517][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.424810][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.425095][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.425401][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.425699][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.425983][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.426279][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.426567][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.426855][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.427145][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.427446][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.427741][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.428029][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.428349][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.428640][ T419] ? 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) 
[ 36.428930][ T419] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.429227][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.429515][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.429814][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.430103][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.430396][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.430688][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.430986][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.431278][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.431650][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 36.431938][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.432256][ T419] ? __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) 
[ 36.432615][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.432905][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.433205][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.433498][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.433785][ T419] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.434074][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.434377][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 36.434669][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.435025][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.435334][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.435637][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.435926][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.436304][  T419] RIP: 0033:0x7f8fdc0b01e7
[ 36.436604][ T419] 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)
[   36.437635][  T419] RSP: 002b:00007ffd4e095848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.438066][  T419] RAX: ffffffffffffffda RBX: 00007ffd4e095f80 RCX: 00007f8fdc0b01e7
[   36.438507][  T419] RDX: 0000000000000000 RSI: 00007ffd4e0958b0 RDI: 0000000000000005
[   36.438936][  T419] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   36.439385][  T419] R10: 00007f8fdbfad498 R11: 0000000000000246 R12: 0000000000000003
[   36.439818][  T419] R13: 00000000686e7e7f R14: 0000000000499600 R15: 0000000000000000
| [   54.189039][  T549] ------------[ cut here ]------------
| [ 54.189368][ T549] WARNING: CPU: 0 PID: 549 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   54.189971][  T549] Modules linked in:
| [   54.190838][  T549] Tainted: [W]=WARN
[   54.191073][  T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.191477][ T549] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 54.191792][ T549] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.192888][  T549] RSP: 0018:ffffc90001736ef0 EFLAGS: 00010246
[   54.193280][  T549] RAX: 0000000000000000 RBX: ffff88800ad52000 RCX: 0000000000000001
[   54.193738][  T549] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   54.194209][  T549] RBP: ffffc90001736fd8 R08: 0000000000000000 R09: 0000000000000000
[   54.194667][  T549] R10: ffffc90001737008 R11: ffffffffa5b8d1e0 R12: 1ffff920002e6de2
[   54.195127][  T549] R13: 00000000000005dc R14: ffffc90001737008 R15: ffff88800ad52f48
[   54.196454][  T549] FS:  00007f7e0bab1800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   54.196993][  T549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.197391][  T549] CR2: 00000000004e59f0 CR3: 000000000e9b9006 CR4: 0000000000772ef0
[   54.197851][  T549] PKRU: 55555554
[   54.198083][  T549] Call Trace:
[   54.198328][  T549]  <TASK>
[ 54.198491][ T549] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.198799][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.199117][ T549] netif_set_mtu (net/core/dev.c:9652) 
[ 54.199432][ T549] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.199756][ T549] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.199987][ T549] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 54.200311][ T549] br_add_if (net/bridge/br_if.c:697) 
[ 54.200558][ T549] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 54.200863][ T549] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 54.201184][ T549] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.201502][ T549] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.201889][ T549] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.202202][ T549] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.202507][ T549] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.202814][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.203124][ T549] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 54.203443][ T549] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.203826][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.204134][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.204463][ T549] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.204768][ T549] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.205075][ T549] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.205389][ T549] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.205699][ T549] ? __create_object (mm/kmemleak.c:771) 
[ 54.206008][ T549] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.206323][ T549] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.206630][ T549] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.207007][ T549] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.207329][ T549] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.207642][ T549] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.207952][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.208270][ T549] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.208578][ T549] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.208883][ T549] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.209200][ T549] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.209504][ T549] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.209810][ T549] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.210121][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.210440][ T549] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.210746][ T549] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.211058][ T549] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.211385][ T549] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.211690][ T549] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 54.212000][ T549] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.212315][ T549] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.212619][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.212932][ T549] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.213250][ T549] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.213558][ T549] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.213871][ T549] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.214186][ T549] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.214490][ T549] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.214880][ T549] ___sys_sendmsg (net/socket.c:2670) 
[ 54.215197][ T549] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.215514][ T549] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.215895][ T549] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.216212][ T549] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.216525][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.216835][ T549] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.217142][ T549] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.217454][ T549] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.217770][ T549] __sys_sendmsg (net/socket.c:2700) 
[ 54.218074][ T549] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.218463][ T549] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.218782][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.219087][ T549] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.219405][ T549] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.219784][  T549] RIP: 0033:0x7f7e0bc7e1e7
[ 54.220103][ T549] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   54.221202][  T549] RSP: 002b:00007fff9711c8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.221665][  T549] RAX: ffffffffffffffda RBX: 00007fff9711cff0 RCX: 00007f7e0bc7e1e7
[   54.222129][  T549] RDX: 0000000000000000 RSI: 00007fff9711c920 RDI: 0000000000000005
[   54.222594][  T549] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   54.223054][  T549] R10: 0000000007980910 R11: 0000000000000246 R12: 0000000000000004
[   54.223528][  T549] R13: 00000000686e7e91 R14: 0000000000499600 R15: 0000000000000000
| [   54.354619][  T550] ------------[ cut here ]------------
| [ 54.354950][ T550] WARNING: CPU: 2 PID: 550 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   54.356670][  T550] Modules linked in:
| [   54.357577][  T550] Tainted: [W]=WARN
[   54.357823][  T550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.358241][ T550] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 54.358573][ T550] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.359719][  T550] RSP: 0018:ffffc90001746ef0 EFLAGS: 00010246
[   54.360123][  T550] RAX: 0000000000000000 RBX: ffff88800ad52000 RCX: 0000000000000001
[   54.360602][  T550] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   54.361088][  T550] RBP: ffffc90001746fd8 R08: 0000000000000000 R09: 0000000000000000
[   54.361570][  T550] R10: ffffc90001747008 R11: ffffffffa5b8d1e0 R12: 1ffff920002e8de2
[   54.362044][  T550] R13: 00000000000005dc R14: ffffc90001747008 R15: ffff88800ad52f48
[   54.362536][  T550] FS:  00007f334a354800(0000) GS:ffff8880c5899000(0000) knlGS:0000000000000000
[   54.363091][  T550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.363502][  T550] CR2: 00000000004e59f8 CR3: 000000000e02d006 CR4: 0000000000772ef0
[   54.363978][  T550] PKRU: 55555554
[   54.364233][  T550] Call Trace:
[   54.364484][  T550]  <TASK>
[ 54.364655][ T550] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.364977][ T550] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.365319][ T550] netif_set_mtu (net/core/dev.c:9652) 
[ 54.365647][ T550] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.365980][ T550] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.366253][ T550] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 54.366578][ T550] br_add_if (net/bridge/br_if.c:697) 
[ 54.366832][ T550] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 54.367149][ T550] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 54.367482][ T550] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.367806][ T550] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.368221][ T550] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.368541][ T550] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.368857][ T550] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.369203][ T550] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.369524][ T550] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 54.369845][ T550] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.370259][ T550] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.370588][ T550] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.370904][ T550] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.371238][ T550] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.371557][ T550] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.371879][ T550] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.372205][ T550] ? __create_object (mm/kmemleak.c:771) 
[ 54.372530][ T550] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.372847][ T550] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.373166][ T550] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.373569][ T550] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.373894][ T550] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.374238][ T550] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.374562][ T550] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.374884][ T550] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.375218][ T550] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.375541][ T550] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.375863][ T550] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.376194][ T550] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.376518][ T550] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.376840][ T550] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.377179][ T550] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.377497][ T550] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.377817][ T550] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.378145][ T550] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.378492][ T550] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 54.378817][ T550] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.379140][ T550] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.379469][ T550] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.379793][ T550] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.380114][ T550] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.380444][ T550] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.380781][ T550] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.381103][ T550] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.381434][ T550] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.381843][ T550] ___sys_sendmsg (net/socket.c:2670) 
[ 54.382158][ T550] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.382497][ T550] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.382894][ T550] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.383232][ T550] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.383556][ T550] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.383880][ T550] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.384212][ T550] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.384531][ T550] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.384856][ T550] __sys_sendmsg (net/socket.c:2700) 
[ 54.385182][ T550] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.385584][ T550] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.385920][ T550] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.386266][ T550] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.386590][ T550] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.386986][  T550] RIP: 0033:0x7f334a5211e7
[ 54.387326][ T550] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   54.388443][  T550] RSP: 002b:00007ffcd18972b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.388922][  T550] RAX: ffffffffffffffda RBX: 00007ffcd18979f0 RCX: 00007f334a5211e7
[   54.389401][  T550] RDX: 0000000000000000 RSI: 00007ffcd1897320 RDI: 0000000000000005
[   54.389872][  T550] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   54.390369][  T550] R10: 0000000004bee910 R11: 0000000000000246 R12: 0000000000000004
[   54.390845][  T550] R13: 00000000686e7e91 R14: 0000000000499600 R15: 0000000000000000
| [   64.929161][  T604] ------------[ cut here ]------------
| [ 64.929511][ T604] WARNING: CPU: 3 PID: 604 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) 
| [   64.930082][  T604] Modules linked in:
| [   64.930889][  T604] Tainted: [W]=WARN
[   64.931102][  T604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.931472][ T604] 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) 
[ 64.931767][ T604] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   64.932791][  T604] RSP: 0018:ffffc900018c7140 EFLAGS: 00010246
[   64.933155][  T604] RAX: 0000000000000000 RBX: ffff88800f0f4000 RCX: 0000000000000001
[   64.933586][  T604] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   64.934009][  T604] RBP: ffffc900018c7228 R08: ffff88800a770800 R09: 0000000000000000
[   64.934445][  T604] R10: ffffc900018c75c8 R11: ffffffffa6473028 R12: 1ffff92000318e2c
[   64.934867][  T604] R13: 0000000000000514 R14: ffffc900018c7880 R15: ffff8880097d66e0
[   64.935763][  T604] FS:  00007fa059263800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[   64.936273][  T604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.936632][  T604] CR2: 00000000004e59f0 CR3: 0000000010c52001 CR4: 0000000000772ef0
[   64.937059][  T604] PKRU: 55555554
[   64.937282][  T604] Call Trace:
[   64.937493][  T604]  <TASK>
[ 64.937637][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.937927][ T604] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.938217][ T604] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.938504][ T604] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 64.938787][ T604] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 64.939066][ T604] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 64.939364][ T604] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 64.939652][ T604] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 64.940013][ T604] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.940308][ T604] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.940593][ T604] ? __kernel_text_address (kernel/extable.c:79) 
[ 64.940877][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.941165][ T604] ? __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) 
[ 64.941464][ T604] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 64.941813][ T604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.942096][ T604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.942387][ T604] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 64.942669][ T604] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 64.942952][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.943243][ T604] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 64.943530][ T604] ? __create_object (mm/kmemleak.c:771) 
[ 64.943818][ T604] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.944103][ T604] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 64.944402][ T604] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 64.944755][ T604] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 64.945044][ T604] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 64.945348][ T604] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.945647][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.945941][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.946236][ T604] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 64.946518][ T604] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.946810][ T604] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.947092][ T604] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 64.947394][ T604] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.947685][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.947975][ T604] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 64.948268][ T604] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.948558][ T604] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 64.948859][ T604] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 64.949137][ T604] ? 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) 
[ 64.949443][ T604] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 64.949730][ T604] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 64.950011][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.950308][ T604] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.950596][ T604] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 64.950881][ T604] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 64.951184][ T604] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.951472][ T604] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 64.951751][ T604] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 64.952112][ T604] ___sys_sendmsg (net/socket.c:2670) 
[ 64.952400][ T604] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 64.952679][ T604] ? __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) 
[ 64.953034][ T604] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 64.953327][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.953612][ T604] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.953903][ T604] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.954198][ T604] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 64.954482][ T604] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.954770][ T604] __sys_sendmsg (net/socket.c:2700) 
[ 64.955052][ T604] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 64.955412][ T604] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 64.955728][ T604] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.956016][ T604] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.956317][ T604] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.956670][  T604] RIP: 0033:0x7fa0594301e7
[ 64.956969][ T604] 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)
[   64.957989][  T604] RSP: 002b:00007fff240bacc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.958425][  T604] RAX: ffffffffffffffda RBX: 00007fff240bb400 RCX: 00007fa0594301e7
[   64.958847][  T604] RDX: 0000000000000000 RSI: 00007fff240bad30 RDI: 0000000000000005
[   64.959285][  T604] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   64.959708][  T604] R10: 00007fa05932d498 R11: 0000000000000246 R12: 0000000000000003
[   64.960131][  T604] R13: 00000000686e7e9c R14: 0000000000499600 R15: 0000000000000000
| [   65.091796][  T606] ------------[ cut here ]------------
| [ 65.092143][ T606] WARNING: CPU: 0 PID: 606 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) 
| [   65.092739][  T606] Modules linked in:
| [   65.093572][  T606] Tainted: [W]=WARN
[   65.093793][  T606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.094153][ T606] 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) 
[ 65.094958][ T606] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   65.096015][  T606] RSP: 0018:ffffc90001067140 EFLAGS: 00010246
[   65.096388][  T606] RAX: 0000000000000000 RBX: ffff888009f84000 RCX: 0000000000000001
[   65.096820][  T606] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   65.097258][  T606] RBP: ffffc90001067228 R08: ffff88800eab8800 R09: 0000000000000000
[   65.097690][  T606] R10: ffffc900010675c8 R11: ffffffffa6473028 R12: 1ffff9200020ce2c
[   65.098125][  T606] R13: 0000000000000514 R14: ffffc90001067880 R15: ffff8880097d74e0
[   65.098568][  T606] FS:  00007f5540e50800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   65.099074][  T606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.099444][  T606] CR2: 00000000004e5a00 CR3: 0000000010556004 CR4: 0000000000772ef0
[   65.099883][  T606] PKRU: 55555554
[   65.100099][  T606] Call Trace:
[   65.100322][  T606]  <TASK>
[ 65.100471][ T606] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.100765][ T606] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.101051][ T606] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.101349][ T606] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 65.101643][ T606] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 65.101936][ T606] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 65.102237][ T606] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 65.102532][ T606] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.102897][ T606] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.103199][ T606] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.103489][ T606] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.103783][ T606] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.104079][ T606] ? __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) 
[ 65.104379][ T606] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.104737][ T606] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.105027][ T606] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.105321][ T606] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.105614][ T606] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.105905][ T606] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.106221][ T606] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.106510][ T606] ? __create_object (mm/kmemleak.c:771) 
[ 65.106800][ T606] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.107086][ T606] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.107392][ T606] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.107745][ T606] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.108035][ T606] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.108351][ T606] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.108639][ T606] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.108934][ T606] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.109230][ T606] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.109517][ T606] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.109813][ T606] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.110094][ T606] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.110383][ T606] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.110677][ T606] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.110962][ T606] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.111954][ T606] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.112266][ T606] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.112568][ T606] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.112864][ T606] ? 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) 
[ 65.113147][ T606] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.113447][ T606] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.113726][ T606] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.114013][ T606] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.114309][ T606] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.114594][ T606] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.114885][ T606] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.115184][ T606] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.115470][ T606] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.115864][ T606] ___sys_sendmsg (net/socket.c:2670) 
[ 65.116151][ T606] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.116453][ T606] ? __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) 
[ 65.116829][ T606] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.117116][ T606] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.117413][ T606] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.117712][ T606] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.117998][ T606] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.118290][ T606] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.118583][ T606] __sys_sendmsg (net/socket.c:2700) 
[ 65.118864][ T606] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.119220][ T606] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.119514][ T606] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.119799][ T606] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.120107][ T606] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.120479][  T606] RIP: 0033:0x7f554101d1e7
[ 65.120783][ T606] 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)
[   65.121826][  T606] RSP: 002b:00007ffd287a8cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.122277][  T606] RAX: ffffffffffffffda RBX: 00007ffd287a9400 RCX: 00007f554101d1e7
[   65.122714][  T606] RDX: 0000000000000000 RSI: 00007ffd287a8d30 RDI: 0000000000000005
[   65.123149][  T606] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.123600][  T606] R10: 00007f5540f1a498 R11: 0000000000000246 R12: 0000000000000003
[   65.124025][  T606] R13: 00000000686e7e9c R14: 0000000000499600 R15: 0000000000000000
| [   65.905853][  T616] ------------[ cut here ]------------
| [ 65.906599][ T616] WARNING: CPU: 0 PID: 616 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) 
| [   65.907161][  T616] Modules linked in:
| [   65.907963][  T616] Tainted: [W]=WARN
[   65.908191][  T616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.908549][ T616] 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) 
[ 65.908836][ T616] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   65.909842][  T616] RSP: 0018:ffffc90001887140 EFLAGS: 00010246
[   65.910210][  T616] RAX: 0000000000000000 RBX: ffff88800f0f4000 RCX: 0000000000000001
[   65.910629][  T616] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   65.911046][  T616] RBP: ffffc90001887228 R08: ffff88800523a000 R09: 0000000000000000
[   65.911477][  T616] R10: ffffc900018875c8 R11: ffffffffa6473028 R12: 1ffff92000310e2c
[   65.911901][  T616] R13: 00000000000005dc R14: ffffc90001887880 R15: ffff88800e985c60
[   65.912329][  T616] FS:  00007f769acf5800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   65.912821][  T616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.913187][  T616] CR2: 00000000004e59f0 CR3: 000000000acb9005 CR4: 0000000000772ef0
[   65.913611][  T616] PKRU: 55555554
[   65.913824][  T616] Call Trace:
[   65.914033][  T616]  <TASK>
[ 65.914185][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.914472][ T616] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.914749][ T616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.915030][ T616] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 65.915322][ T616] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 65.915623][ T616] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 65.915918][ T616] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 65.916219][ T616] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.916583][ T616] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.916879][ T616] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.917187][ T616] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.917476][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.917767][ T616] ? __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) 
[ 65.918060][ T616] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.918433][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.918733][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.919020][ T616] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.919317][ T616] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.919606][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.919892][ T616] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.920209][ T616] ? __create_object (mm/kmemleak.c:771) 
[ 65.920491][ T616] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.920774][ T616] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.921057][ T616] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.921413][ T616] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.921699][ T616] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.921984][ T616] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.922271][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.922563][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.922844][ T616] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.923125][ T616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.923419][ T616] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.923699][ T616] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.923983][ T616] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.924274][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.924563][ T616] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.924847][ T616] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.925130][ T616] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.925432][ T616] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.925736][ T616] ? 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) 
[ 65.926026][ T616] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.926324][ T616] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.926613][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.926912][ T616] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.927208][ T616] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.927492][ T616] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.927778][ T616] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.928062][ T616] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.928349][ T616] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.928709][ T616] ___sys_sendmsg (net/socket.c:2670) 
[ 65.928994][ T616] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.929283][ T616] ? __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) 
[ 65.929634][ T616] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.929921][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.930211][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.930498][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.930783][ T616] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.931067][ T616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.931364][ T616] __sys_sendmsg (net/socket.c:2700) 
[ 65.931642][ T616] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.931989][ T616] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.932314][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.932602][ T616] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.932891][ T616] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.933258][  T616] RIP: 0033:0x7f769aec21e7
[ 65.933563][ T616] 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)
[   65.934572][  T616] RSP: 002b:00007ffc35c30ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.934992][  T616] RAX: ffffffffffffffda RBX: 00007ffc35c31630 RCX: 00007f769aec21e7
[   65.935426][  T616] RDX: 0000000000000000 RSI: 00007ffc35c30f60 RDI: 0000000000000005
[   65.935873][  T616] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.936309][  T616] R10: 00007f769adbf498 R11: 0000000000000246 R12: 0000000000000003
[   65.936739][  T616] R13: 00000000686e7e9d R14: 0000000000499600 R15: 0000000000000000
| [   66.060969][  T618] ------------[ cut here ]------------
| [ 66.061300][ T618] WARNING: CPU: 0 PID: 618 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   66.061857][  T618] Modules linked in:
| [   66.062657][  T618] Tainted: [W]=WARN
[   66.062871][  T618] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 66.063237][ T618] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 66.063527][ T618] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   66.064542][  T618] RSP: 0018:ffffc90001907140 EFLAGS: 00010246
[   66.064896][  T618] RAX: 0000000000000000 RBX: ffff888009f84000 RCX: 0000000000000001
[   66.065322][  T618] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   66.065768][  T618] RBP: ffffc90001907228 R08: ffff88800f238800 R09: 0000000000000000
[   66.066203][  T618] R10: ffffc900019075c8 R11: ffffffffa6473028 R12: 1ffff92000320e2c
[   66.066636][  T618] R13: 00000000000005dc R14: ffffc90001907880 R15: ffff888010938060
[   66.067066][  T618] FS:  00007f139bb3b800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   66.067567][  T618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.067920][  T618] CR2: 00000000004e5a00 CR3: 000000000acb9002 CR4: 0000000000772ef0
[   66.068539][  T618] PKRU: 55555554
[   66.068752][  T618] Call Trace:
[   66.068962][  T618]  <TASK>
[ 66.069105][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.069721][ T618] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 66.070009][ T618] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.070405][ T618] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 66.070693][ T618] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 66.070988][ T618] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 66.071278][ T618] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 66.071564][ T618] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 66.071923][ T618] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 66.072210][ T618] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 66.072490][ T618] ? __kernel_text_address (kernel/extable.c:79) 
[ 66.072774][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.073065][ T618] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 66.073358][ T618] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 66.073706][ T618] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.073990][ T618] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.074283][ T618] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 66.074566][ T618] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 66.074848][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.075134][ T618] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 66.075422][ T618] ? __create_object (mm/kmemleak.c:771) 
[ 66.075731][ T618] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 66.076019][ T618] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 66.076318][ T618] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 66.076676][ T618] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 66.076976][ T618] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 66.077271][ T618] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.077556][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.077842][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.078122][ T618] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 66.078406][ T618] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.078687][ T618] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.078965][ T618] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 66.079253][ T618] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.079540][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.079826][ T618] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 66.080106][ T618] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.080401][ T618] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 66.080708][ T618] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 66.080984][ T618] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 66.081273][ T618] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 66.081562][ T618] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 66.081839][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.082141][ T618] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.082440][ T618] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 66.082733][ T618] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 66.083024][ T618] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.083339][ T618] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 66.083637][ T618] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 66.084008][ T618] ___sys_sendmsg (net/socket.c:2670) 
[ 66.084303][ T618] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 66.084596][ T618] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 66.084958][ T618] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 66.085250][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.085553][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.085845][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.086135][ T618] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 66.086433][ T618] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.086727][ T618] __sys_sendmsg (net/socket.c:2700) 
[ 66.087015][ T618] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 66.087369][ T618] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 66.087661][ T618] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.087940][ T618] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.088238][ T618] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   66.088586][  T618] RIP: 0033:0x7f139bd081e7
[ 66.088873][ T618] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   66.089875][  T618] RSP: 002b:00007ffdb4efaf08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.090312][  T618] RAX: ffffffffffffffda RBX: 00007ffdb4efb640 RCX: 00007f139bd081e7
[   66.090729][  T618] RDX: 0000000000000000 RSI: 00007ffdb4efaf70 RDI: 0000000000000005
[   66.091147][  T618] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   66.091571][  T618] R10: 00007f139bc05498 R11: 0000000000000246 R12: 0000000000000003
[   66.091995][  T618] R13: 00000000686e7e9d R14: 0000000000499600 R15: 0000000000000000
| [   67.910765][  T646] ------------[ cut here ]------------
| [ 67.911101][ T646] WARNING: CPU: 3 PID: 646 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) 
| [   67.911684][  T646] Modules linked in:
| [   67.912496][  T646] Tainted: [W]=WARN
[   67.912715][  T646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 67.913082][ T646] 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) 
[ 67.913384][ T646] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   67.914399][  T646] RSP: 0018:ffffc90001977140 EFLAGS: 00010246
[   67.914757][  T646] RAX: 0000000000000000 RBX: ffff88800f0f4000 RCX: 0000000000000001
[   67.915194][  T646] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   67.915639][  T646] RBP: ffffc90001977228 R08: ffff88800d140800 R09: 0000000000000000
[   67.916060][  T646] R10: ffffc900019775c8 R11: ffffffffa6473028 R12: 1ffff9200032ee2c
[   67.916654][  T646] R13: 0000000000000514 R14: ffffc90001977880 R15: ffff888010939fe0
[   67.917088][  T646] FS:  00007f68f92eb800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[   67.917593][  T646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.917949][  T646] CR2: 00000000004e59f0 CR3: 000000000f31d005 CR4: 0000000000772ef0
[   67.918382][  T646] PKRU: 55555554
[   67.918595][  T646] Call Trace:
[   67.918807][  T646]  <TASK>
[ 67.918955][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.919254][ T646] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 67.919533][ T646] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.919817][ T646] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 67.920099][ T646] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 67.920390][ T646] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 67.920679][ T646] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 67.920973][ T646] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 67.921340][ T646] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 67.921624][ T646] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 67.921907][ T646] ? __kernel_text_address (kernel/extable.c:79) 
[ 67.922215][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.922501][ T646] ? __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) 
[ 67.922787][ T646] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 67.923145][ T646] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.923443][ T646] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.923729][ T646] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 67.924012][ T646] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 67.924306][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.924587][ T646] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 67.924866][ T646] ? __create_object (mm/kmemleak.c:771) 
[ 67.925148][ T646] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 67.925445][ T646] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 67.925750][ T646] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 67.926101][ T646] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 67.926402][ T646] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 67.926693][ T646] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.926975][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.927279][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.927569][ T646] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 67.927850][ T646] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.928133][ T646] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.928424][ T646] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 67.928711][ T646] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.928996][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.929292][ T646] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 67.929579][ T646] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.929868][ T646] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 67.930158][ T646] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 67.930446][ T646] ? 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) 
[ 67.930730][ T646] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 67.931017][ T646] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 67.931307][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.931595][ T646] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.931887][ T646] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 67.932168][ T646] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 67.932470][ T646] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.932757][ T646] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 67.933045][ T646] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 67.933416][ T646] ___sys_sendmsg (net/socket.c:2670) 
[ 67.933697][ T646] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 67.933983][ T646] ? __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) 
[ 67.934344][ T646] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 67.934630][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.934914][ T646] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.935209][ T646] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.935494][ T646] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 67.935782][ T646] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.936077][ T646] __sys_sendmsg (net/socket.c:2700) 
[ 67.936368][ T646] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 67.936719][ T646] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 67.937015][ T646] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.937307][ T646] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.937589][ T646] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   67.937936][  T646] RIP: 0033:0x7f68f94b81e7
[ 67.938244][ T646] 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)
[   67.939259][  T646] RSP: 002b:00007ffdefae9ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   67.939683][  T646] RAX: ffffffffffffffda RBX: 00007ffdefaea620 RCX: 00007f68f94b81e7
[   67.940112][  T646] RDX: 0000000000000000 RSI: 00007ffdefae9f50 RDI: 0000000000000005
[   67.940543][  T646] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   67.940974][  T646] R10: 00007f68f93b5498 R11: 0000000000000246 R12: 0000000000000003
[   67.941409][  T646] R13: 00000000686e7e9f R14: 0000000000499600 R15: 0000000000000000
| [   68.067888][  T648] ------------[ cut here ]------------
| [ 68.068657][ T648] WARNING: CPU: 2 PID: 648 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   68.069247][  T648] Modules linked in:
| [   68.070058][  T648] Tainted: [W]=WARN
[   68.070291][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.070660][ T648] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 68.070962][ T648] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   68.071983][  T648] RSP: 0018:ffffc90001697140 EFLAGS: 00010246
[   68.072359][  T648] RAX: 0000000000000000 RBX: ffff888009f84000 RCX: 0000000000000001
[   68.072793][  T648] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   68.073234][  T648] RBP: ffffc90001697228 R08: ffff88800e8ed000 R09: 0000000000000000
[   68.073665][  T648] R10: ffffc900016975c8 R11: ffffffffa6473028 R12: 1ffff920002d2e2c
[   68.074095][  T648] R13: 0000000000000514 R14: ffffc90001697880 R15: ffff88801093b160
[   68.074542][  T648] FS:  00007fb182bc0800(0000) GS:ffff8880c5899000(0000) knlGS:0000000000000000
[   68.075045][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.075421][  T648] CR2: 00000000004e5a00 CR3: 0000000010c1a003 CR4: 0000000000772ef0
[   68.075867][  T648] PKRU: 55555554
[   68.076091][  T648] Call Trace:
[   68.076327][  T648]  <TASK>
[ 68.076489][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.076792][ T648] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 68.077082][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 68.077390][ T648] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 68.077684][ T648] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 68.077978][ T648] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 68.078286][ T648] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 68.078590][ T648] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 68.078961][ T648] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 68.079269][ T648] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 68.079563][ T648] ? __kernel_text_address (kernel/extable.c:79) 
[ 68.079859][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.080156][ T648] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 68.080459][ T648] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 68.080823][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.081116][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.081419][ T648] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 68.081711][ T648] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 68.082008][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.082312][ T648] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 68.082603][ T648] ? __create_object (mm/kmemleak.c:771) 
[ 68.082901][ T648] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 68.083205][ T648] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 68.083500][ T648] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 68.083861][ T648] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 68.084160][ T648] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 68.084469][ T648] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 68.084760][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.085057][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.085362][ T648] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 68.085681][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 68.085982][ T648] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 68.086291][ T648] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 68.086592][ T648] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 68.086904][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.087216][ T648] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 68.087513][ T648] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 68.087812][ T648] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 68.088115][ T648] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 68.088418][ T648] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 68.088713][ T648] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 68.089012][ T648] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 68.089315][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.089618][ T648] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 68.089916][ T648] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 68.090220][ T648] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 68.090521][ T648] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 68.090819][ T648] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 68.091109][ T648] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 68.091496][ T648] ___sys_sendmsg (net/socket.c:2670) 
[ 68.091786][ T648] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 68.092084][ T648] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 68.092461][ T648] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 68.092760][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.093063][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.093379][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.093672][ T648] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 68.093968][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 68.094285][ T648] __sys_sendmsg (net/socket.c:2700) 
[ 68.094579][ T648] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 68.094939][ T648] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 68.095256][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.095557][ T648] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 68.095856][ T648] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   68.096222][  T648] RIP: 0033:0x7fb182d8d1e7
[ 68.096533][ T648] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   68.097554][  T648] RSP: 002b:00007ffe33912a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   68.097987][  T648] RAX: ffffffffffffffda RBX: 00007ffe33913180 RCX: 00007fb182d8d1e7
[   68.098436][  T648] RDX: 0000000000000000 RSI: 00007ffe33912ab0 RDI: 0000000000000005
[   68.098871][  T648] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   68.099314][  T648] R10: 00007fb182c8a498 R11: 0000000000000246 R12: 0000000000000003
[   68.099751][  T648] R13: 00000000686e7e9f R14: 0000000000499600 R15: 0000000000000000
| [   84.805523][  T770] ------------[ cut here ]------------
| [ 84.805846][ T770] WARNING: CPU: 0 PID: 770 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) 
| [   84.806460][  T770] Modules linked in:
| [   84.807324][  T770] Tainted: [W]=WARN
[   84.807557][  T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 84.807939][ T770] 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) 
[ 84.808260][ T770] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   84.809359][  T770] RSP: 0018:ffffc90001ed6ef0 EFLAGS: 00010246
[   84.809747][  T770] RAX: 0000000000000000 RBX: ffff88800973a000 RCX: 0000000000000001
[   84.810216][  T770] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   84.810675][  T770] RBP: ffffc90001ed6fd8 R08: 0000000000000000 R09: 0000000000000000
[   84.811134][  T770] R10: ffffc90001ed7008 R11: ffffffffa5b8d1e0 R12: 1ffff920003dade2
[   84.811794][  T770] R13: 00000000000005dc R14: ffffc90001ed7008 R15: ffff88800973af48
[   84.812406][  T770] FS:  00007f565e1d4800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   84.812944][  T770] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.813544][  T770] CR2: 00000000004e59f0 CR3: 0000000010b98003 CR4: 0000000000772ef0
[   84.814008][  T770] PKRU: 55555554
[   84.814427][  T770] Call Trace:
[   84.814659][  T770]  <TASK>
[ 84.814818][ T770] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 84.815127][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.815478][ T770] netif_set_mtu (net/core/dev.c:9652) 
[ 84.815795][ T770] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 84.816120][ T770] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 84.816362][ T770] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 84.816674][ T770] br_add_if (net/bridge/br_if.c:697) 
[ 84.816916][ T770] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 84.817231][ T770] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 84.817541][ T770] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 84.817856][ T770] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 84.818251][ T770] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 84.818558][ T770] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 84.818862][ T770] ? __kernel_text_address (kernel/extable.c:79) 
[ 84.819201][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.819515][ T770] ? __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) 
[ 84.819822][ T770] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 84.820206][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.820517][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.820832][ T770] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 84.821139][ T770] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 84.821454][ T770] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.821761][ T770] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 84.822064][ T770] ? __create_object (mm/kmemleak.c:771) 
[ 84.822383][ T770] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 84.822692][ T770] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 84.823001][ T770] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 84.823410][ T770] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 84.823726][ T770] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 84.824050][ T770] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 84.824365][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.824678][ T770] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.824984][ T770] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 84.825295][ T770] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 84.825614][ T770] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 84.825923][ T770] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 84.826237][ T770] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 84.826549][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.826859][ T770] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 84.827164][ T770] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 84.827504][ T770] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 84.827819][ T770] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 84.828130][ T770] ? 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) 
[ 84.828452][ T770] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 84.828761][ T770] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 84.829065][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.829386][ T770] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 84.829699][ T770] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 84.830007][ T770] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 84.830332][ T770] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 84.830643][ T770] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 84.830946][ T770] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 84.831362][ T770] ___sys_sendmsg (net/socket.c:2670) 
[ 84.831668][ T770] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 84.831972][ T770] ? __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) 
[ 84.832362][ T770] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 84.832679][ T770] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.832987][ T770] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.833308][ T770] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.833616][ T770] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 84.833930][ T770] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 84.834251][ T770] __sys_sendmsg (net/socket.c:2700) 
[ 84.834557][ T770] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 84.834940][ T770] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 84.835284][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.835602][ T770] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 84.835910][ T770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   84.836296][  T770] RIP: 0033:0x7f565e3a11e7
[ 84.836614][ T770] 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)
[   84.837722][  T770] RSP: 002b:00007fff80887f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   84.838198][  T770] RAX: ffffffffffffffda RBX: 00007fff80888660 RCX: 00007f565e3a11e7
[   84.838656][  T770] RDX: 0000000000000000 RSI: 00007fff80887f90 RDI: 0000000000000005
[   84.839117][  T770] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   84.839648][  T770] R10: 000000001f32f910 R11: 0000000000000246 R12: 0000000000000004
[   84.840114][  T770] R13: 00000000686e7eb0 R14: 0000000000499600 R15: 0000000000000000
| [   84.963876][  T771] ------------[ cut here ]------------
| [ 84.964223][ T771] WARNING: CPU: 0 PID: 771 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) 
| [   84.964825][  T771] Modules linked in:
| [   84.965832][  T771] Tainted: [W]=WARN
[   84.966064][  T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 84.966465][ T771] 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) 
[ 84.966780][ T771] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   84.967875][  T771] RSP: 0018:ffffc90001ee6ef0 EFLAGS: 00010246
[   84.968269][  T771] RAX: 0000000000000000 RBX: ffff88800973a000 RCX: 0000000000000001
[   84.968720][  T771] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   84.969178][  T771] RBP: ffffc90001ee6fd8 R08: 0000000000000000 R09: 0000000000000000
[   84.969623][  T771] R10: ffffc90001ee7008 R11: ffffffffa5b8d1e0 R12: 1ffff920003dcde2
[   84.970070][  T771] R13: 00000000000005dc R14: ffffc90001ee7008 R15: ffff88800973af48
[   84.970533][  T771] FS:  00007f15b8a11800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   84.971068][  T771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.971457][  T771] CR2: 00000000004e59f8 CR3: 0000000010d9d004 CR4: 0000000000772ef0
[   84.971908][  T771] PKRU: 55555554
[   84.972132][  T771] Call Trace:
[   84.972369][  T771]  <TASK>
[ 84.972525][ T771] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 84.972825][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.973136][ T771] netif_set_mtu (net/core/dev.c:9652) 
[ 84.973444][ T771] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 84.973759][ T771] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 84.973986][ T771] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 84.974297][ T771] br_add_if (net/bridge/br_if.c:697) 
[ 84.974536][ T771] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 84.974833][ T771] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 84.975137][ T771] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 84.975452][ T771] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 84.975871][ T771] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 84.976187][ T771] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 84.976489][ T771] ? __kernel_text_address (kernel/extable.c:79) 
[ 84.976802][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.977116][ T771] ? __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) 
[ 84.977431][ T771] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 84.977829][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.978137][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.978455][ T771] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 84.978771][ T771] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 84.979089][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.979401][ T771] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 84.979698][ T771] ? __create_object (mm/kmemleak.c:771) 
[ 84.979999][ T771] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 84.980309][ T771] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 84.980610][ T771] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 84.980978][ T771] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 84.981307][ T771] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 84.981612][ T771] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 84.981909][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.982220][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.982519][ T771] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 84.982815][ T771] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 84.983116][ T771] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 84.983426][ T771] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 84.983735][ T771] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 84.984041][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.984357][ T771] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 84.984658][ T771] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 84.984958][ T771] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 84.985278][ T771] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 84.985596][ T771] ? 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) 
[ 84.985904][ T771] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 84.986229][ T771] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 84.986535][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.986856][ T771] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 84.987159][ T771] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 84.987474][ T771] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 84.987784][ T771] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 84.988084][ T771] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 84.988395][ T771] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 84.988779][ T771] ___sys_sendmsg (net/socket.c:2670) 
[ 84.989076][ T771] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 84.989384][ T771] ? __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) 
[ 84.989758][ T771] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 84.990068][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.990380][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.990688][ T771] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.990989][ T771] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 84.991302][ T771] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 84.991625][ T771] __sys_sendmsg (net/socket.c:2700) 
[ 84.991929][ T771] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 84.992321][ T771] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 84.992651][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.992954][ T771] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 84.993262][ T771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   84.993632][  T771] RIP: 0033:0x7f15b8bde1e7
[ 84.993939][ T771] 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)
[   84.995016][  T771] RSP: 002b:00007ffcb4e43e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   84.995484][  T771] RAX: ffffffffffffffda RBX: 00007ffcb4e44580 RCX: 00007f15b8bde1e7
[   84.995963][  T771] RDX: 0000000000000000 RSI: 00007ffcb4e43eb0 RDI: 0000000000000005
[   84.996428][  T771] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   84.996897][  T771] R10: 0000000005842910 R11: 0000000000000246 R12: 0000000000000004
[   84.997357][  T771] R13: 00000000686e7eb0 R14: 0000000000499600 R15: 0000000000000000
| [   95.925593][  T833] ------------[ cut here ]------------
| [ 95.925915][ T833] WARNING: CPU: 0 PID: 833 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) 
| [   95.927325][  T833] Modules linked in:
| [   95.928127][  T833] Tainted: [W]=WARN
[   95.928356][  T833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 95.928720][ T833] 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) 
[ 95.929017][ T833] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   95.930054][  T833] RSP: 0018:ffffc90001aa7140 EFLAGS: 00010246
[   95.930427][  T833] RAX: 0000000000000000 RBX: ffff88800ca19000 RCX: 0000000000000001
[   95.930859][  T833] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   95.931307][  T833] RBP: ffffc90001aa7228 R08: ffff888004ff8800 R09: 0000000000000000
[   95.931742][  T833] R10: ffffc90001aa75c8 R11: ffffffffa6473028 R12: 1ffff92000354e2c
[   95.932187][  T833] R13: 0000000000000514 R14: ffffc90001aa7880 R15: ffff88801093e360
[   95.932620][  T833] FS:  00007fe069515800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   95.933120][  T833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.933490][  T833] CR2: 00000000004e59f0 CR3: 000000001111f001 CR4: 0000000000772ef0
[   95.933922][  T833] PKRU: 55555554
[   95.934137][  T833] Call Trace:
[   95.934359][  T833]  <TASK>
[ 95.934506][ T833] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.934799][ T833] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 95.935085][ T833] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 95.935382][ T833] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 95.935680][ T833] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 95.935973][ T833] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 95.936275][ T833] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 95.936573][ T833] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 95.936940][ T833] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 95.937235][ T833] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 95.937519][ T833] ? __kernel_text_address (kernel/extable.c:79) 
[ 95.937810][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.938099][ T833] ? __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) 
[ 95.938395][ T833] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 95.938752][ T833] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 95.939043][ T833] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 95.939340][ T833] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 95.939627][ T833] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 95.939915][ T833] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.940211][ T833] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 95.940497][ T833] ? __create_object (mm/kmemleak.c:771) 
[ 95.940789][ T833] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 95.941077][ T833] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 95.941378][ T833] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 95.941739][ T833] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 95.942043][ T833] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 95.942345][ T833] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 95.942635][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.942930][ T833] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.943228][ T833] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 95.943513][ T833] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 95.943801][ T833] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 95.944086][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 95.944390][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 95.944683][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.944981][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 95.945279][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 95.945576][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 95.945873][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 95.946157][ T833] ? 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) 
[ 95.946461][ T833] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 95.946752][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 95.947038][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.947337][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 95.947630][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 95.947917][ T833] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 95.948216][ T833] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 95.948510][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 95.948794][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 95.949164][ T833] ___sys_sendmsg (net/socket.c:2670) 
[ 95.949457][ T833] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 95.949744][ T833] ? __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) 
[ 95.950100][ T833] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 95.950400][ T833] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.950694][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.950999][ T833] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.951296][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 95.951583][ T833] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 95.951878][ T833] __sys_sendmsg (net/socket.c:2700) 
[ 95.952161][ T833] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 95.952541][ T833] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 95.952843][ T833] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 95.953132][ T833] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 95.953429][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   95.953784][  T833] RIP: 0033:0x7fe0696e21e7
[ 95.954077][ T833] 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)
[   95.955111][  T833] RSP: 002b:00007ffd5f89d888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   95.955558][  T833] RAX: ffffffffffffffda RBX: 00007ffd5f89dfc0 RCX: 00007fe0696e21e7
[   95.955987][  T833] RDX: 0000000000000000 RSI: 00007ffd5f89d8f0 RDI: 0000000000000005
[   95.956425][  T833] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   95.956856][  T833] R10: 00007fe0695df498 R11: 0000000000000246 R12: 0000000000000003
[   95.957290][  T833] R13: 00000000686e7ebb R14: 0000000000499600 R15: 0000000000000000
| [   96.082674][  T835] ------------[ cut here ]------------
| [ 96.082998][ T835] WARNING: CPU: 0 PID: 835 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) 
| [   96.084387][  T835] Modules linked in:
| [   96.085206][  T835] Tainted: [W]=WARN
[   96.085424][  T835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.085790][ T835] 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) 
[ 96.086086][ T835] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   96.087118][  T835] RSP: 0018:ffffc90002037140 EFLAGS: 00010246
[   96.087486][  T835] RAX: 0000000000000000 RBX: ffff88800a019000 RCX: 0000000000000001
[   96.087914][  T835] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   96.088352][  T835] RBP: ffffc90002037228 R08: ffff88800ad4a000 R09: 0000000000000000
[   96.088783][  T835] R10: ffffc900020375c8 R11: ffffffffa6473028 R12: 1ffff92000406e2c
[   96.089221][  T835] R13: 0000000000000514 R14: ffffc90002037880 R15: ffff88801093c060
[   96.089650][  T835] FS:  00007ff71567b800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[   96.090151][  T835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.090522][  T835] CR2: 00000000004e5a00 CR3: 000000001052d003 CR4: 0000000000772ef0
[   96.090954][  T835] PKRU: 55555554
[   96.091176][  T835] Call Trace:
[   96.091392][  T835]  <TASK>
[ 96.091538][ T835] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.091828][ T835] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.092109][ T835] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.092410][ T835] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 96.092698][ T835] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 96.092983][ T835] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 96.093281][ T835] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 96.093574][ T835] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.093937][ T835] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.094236][ T835] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.094523][ T835] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.094809][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.095096][ T835] ? __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) 
[ 96.095389][ T835] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.095755][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.096043][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.096335][ T835] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.096627][ T835] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.096915][ T835] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.097208][ T835] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.097495][ T835] ? __create_object (mm/kmemleak.c:771) 
[ 96.097784][ T835] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.098070][ T835] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.098368][ T835] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.098735][ T835] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.099029][ T835] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.099329][ T835] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.099616][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.099906][ T835] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.100198][ T835] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.100485][ T835] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.100775][ T835] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.101063][ T835] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.101358][ T835] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.101652][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.101944][ T835] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.102238][ T835] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.102529][ T835] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.102828][ T835] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.103119][ T835] ? 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) 
[ 96.103413][ T835] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.103702][ T835] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.103988][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.104289][ T835] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.104581][ T835] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.104869][ T835] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.105167][ T835] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.105463][ T835] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.105756][ T835] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.106130][ T835] ___sys_sendmsg (net/socket.c:2670) 
[ 96.106425][ T835] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.106713][ T835] ? __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) 
[ 96.107071][ T835] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.107372][ T835] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.107664][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.107957][ T835] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.108254][ T835] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.108541][ T835] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.108840][ T835] __sys_sendmsg (net/socket.c:2700) 
[ 96.109126][ T835] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.109488][ T835] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.109792][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.110079][ T835] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.110375][ T835] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.110730][  T835] RIP: 0033:0x7ff7158481e7
[ 96.111025][ T835] 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)
[   96.112055][  T835] RSP: 002b:00007ffeef0108c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.112493][  T835] RAX: ffffffffffffffda RBX: 00007ffeef011000 RCX: 00007ff7158481e7
[   96.112923][  T835] RDX: 0000000000000000 RSI: 00007ffeef010930 RDI: 0000000000000005
[   96.113360][  T835] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   96.113791][  T835] R10: 00007ff715745498 R11: 0000000000000246 R12: 0000000000000003
[   96.114240][  T835] R13: 00000000686e7ebb R14: 0000000000499600 R15: 0000000000000000
| [   96.899675][  T845] ------------[ cut here ]------------
| [ 96.900000][ T845] WARNING: CPU: 3 PID: 845 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) 
| [   96.900581][  T845] Modules linked in:
| [   96.901385][  T845] Tainted: [W]=WARN
[   96.901610][  T845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.901965][ T845] 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) 
[ 96.902268][ T845] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   96.903277][  T845] RSP: 0018:ffffc90002047140 EFLAGS: 00010246
[   96.903629][  T845] RAX: 0000000000000000 RBX: ffff88800ca19000 RCX: 0000000000000001
[   96.904052][  T845] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   96.904477][  T845] RBP: ffffc90002047228 R08: ffff88800f22d000 R09: 0000000000000000
[   96.904893][  T845] R10: ffffc900020475c8 R11: ffffffffa6473028 R12: 1ffff92000408e2c
[   96.905512][  T845] R13: 00000000000005dc R14: ffffc90002047880 R15: ffff88800e984ae0
[   96.905943][  T845] FS:  00007f4ff21a6800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[   96.906563][  T845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.906915][  T845] CR2: 00000000004e59f0 CR3: 00000000110d1005 CR4: 0000000000772ef0
[   96.907489][  T845] PKRU: 55555554
[   96.907698][  T845] Call Trace:
[   96.907905][  T845]  <TASK>
[ 96.908051][ T845] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.908344][ T845] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.908620][ T845] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.908902][ T845] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 96.909201][ T845] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 96.909491][ T845] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 96.909772][ T845] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 96.910059][ T845] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.910422][ T845] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.910700][ T845] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.910973][ T845] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.911262][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.911542][ T845] ? __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) 
[ 96.911819][ T845] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.912168][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.912461][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.912736][ T845] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.913011][ T845] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.913302][ T845] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.913580][ T845] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.913854][ T845] ? __create_object (mm/kmemleak.c:771) 
[ 96.914133][ T845] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.914428][ T845] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.914708][ T845] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.915055][ T845] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.915347][ T845] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.915635][ T845] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.915912][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.916207][ T845] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.916490][ T845] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.916764][ T845] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.917045][ T845] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.917334][ T845] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.917612][ T845] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.917894][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.918189][ T845] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.918468][ T845] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.918750][ T845] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.919036][ T845] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.919323][ T845] ? 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) 
[ 96.919601][ T845] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.919879][ T845] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.920154][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.920459][ T845] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.920744][ T845] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.921022][ T845] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.921320][ T845] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.921604][ T845] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.921879][ T845] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.922244][ T845] ___sys_sendmsg (net/socket.c:2670) 
[ 96.922519][ T845] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.922799][ T845] ? __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) 
[ 96.923145][ T845] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.923434][ T845] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.923714][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.923997][ T845] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.924284][ T845] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.924563][ T845] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.924855][ T845] __sys_sendmsg (net/socket.c:2700) 
[ 96.925131][ T845] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.925493][ T845] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.925792][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.926073][ T845] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.926362][ T845] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.926713][  T845] RIP: 0033:0x7f4ff23731e7
[ 96.927005][ T845] 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)
[   96.928007][  T845] RSP: 002b:00007ffe42a2bff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.928436][  T845] RAX: ffffffffffffffda RBX: 00007ffe42a2c730 RCX: 00007f4ff23731e7
[   96.928856][  T845] RDX: 0000000000000000 RSI: 00007ffe42a2c060 RDI: 0000000000000005
[   96.929286][  T845] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   96.929704][  T845] R10: 00007f4ff2270498 R11: 0000000000000246 R12: 0000000000000003
[   96.930117][  T845] R13: 00000000686e7ebc R14: 0000000000499600 R15: 0000000000000000
| [   97.066158][  T847] ------------[ cut here ]------------
| [ 97.066499][ T847] WARNING: CPU: 3 PID: 847 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) 
| [   97.067051][  T847] Modules linked in:
| [   97.068251][  T847] Tainted: [W]=WARN
[   97.068468][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 97.068815][ T847] 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) 
[ 97.069101][ T847] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   97.070097][  T847] RSP: 0018:ffffc90002067140 EFLAGS: 00010246
[   97.070456][  T847] RAX: 0000000000000000 RBX: ffff88800a019000 RCX: 0000000000000001
[   97.070871][  T847] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   97.071295][  T847] RBP: ffffc90002067228 R08: ffff88800b6d8800 R09: 0000000000000000
[   97.071713][  T847] R10: ffffc900020675c8 R11: ffffffffa6473028 R12: 1ffff9200040ce2c
[   97.072129][  T847] R13: 00000000000005dc R14: ffffc90002067880 R15: ffff88800e984760
[   97.072551][  T847] FS:  00007f80ca14d800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[   97.073035][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.073408][  T847] CR2: 00000000004e5a00 CR3: 00000000110a2002 CR4: 0000000000772ef0
[   97.073832][  T847] PKRU: 55555554
[   97.074041][  T847] Call Trace:
[   97.074257][  T847]  <TASK>
[ 97.074399][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.074684][ T847] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 97.074958][ T847] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 97.075246][ T847] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 97.075537][ T847] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 97.075832][ T847] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 97.076113][ T847] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 97.076406][ T847] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 97.076758][ T847] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 97.077034][ T847] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 97.077322][ T847] ? __kernel_text_address (kernel/extable.c:79) 
[ 97.077602][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.077888][ T847] ? __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) 
[ 97.078165][ T847] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 97.078528][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.078810][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.079087][ T847] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 97.079375][ T847] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 97.079654][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.079935][ T847] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 97.080220][ T847] ? __create_object (mm/kmemleak.c:771) 
[ 97.080500][ T847] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 97.080777][ T847] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 97.081053][ T847] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 97.081404][ T847] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 97.081687][ T847] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 97.081975][ T847] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 97.082263][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.082548][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.082828][ T847] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 97.083101][ T847] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 97.083388][ T847] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 97.083663][ T847] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 97.083941][ T847] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 97.084229][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.084524][ T847] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 97.084804][ T847] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 97.085085][ T847] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 97.085386][ T847] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 97.085671][ T847] ? 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) 
[ 97.085951][ T847] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 97.086241][ T847] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 97.086523][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.086809][ T847] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 97.087092][ T847] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 97.087380][ T847] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 97.087666][ T847] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 97.087946][ T847] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 97.088233][ T847] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 97.088595][ T847] ___sys_sendmsg (net/socket.c:2670) 
[ 97.088873][ T847] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 97.089149][ T847] ? __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) 
[ 97.089508][ T847] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 97.089788][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.090073][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.090368][ T847] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.090650][ T847] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 97.090929][ T847] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 97.091226][ T847] __sys_sendmsg (net/socket.c:2700) 
[ 97.091506][ T847] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 97.091848][ T847] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 97.092137][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.092425][ T847] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 97.092707][ T847] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   97.093048][  T847] RIP: 0033:0x7f80ca31a1e7
[ 97.093342][ T847] 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)
[   97.094337][  T847] RSP: 002b:00007ffc7dd2e558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   97.094758][  T847] RAX: ffffffffffffffda RBX: 00007ffc7dd2ec90 RCX: 00007f80ca31a1e7
[   97.095189][  T847] RDX: 0000000000000000 RSI: 00007ffc7dd2e5c0 RDI: 0000000000000005
[   97.095610][  T847] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   97.096026][  T847] R10: 00007f80ca217498 R11: 0000000000000246 R12: 0000000000000003
[   97.096454][  T847] R13: 00000000686e7ebc R14: 0000000000499600 R15: 0000000000000000
| [   99.288821][  T879] ------------[ cut here ]------------
| [ 99.289140][ T879] WARNING: CPU: 3 PID: 879 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) 
| [   99.290218][  T879] Modules linked in:
| [   99.291010][  T879] Tainted: [W]=WARN
[   99.291231][  T879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.291582][ T879] 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) 
[ 99.291870][ T879] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   99.292895][  T879] RSP: 0018:ffffc900020e7140 EFLAGS: 00010246
[   99.293261][  T879] RAX: 0000000000000000 RBX: ffff88800ca19000 RCX: 0000000000000001
[   99.293676][  T879] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   99.294096][  T879] RBP: ffffc900020e7228 R08: ffff88800e37d000 R09: 0000000000000000
[   99.294526][  T879] R10: ffffc900020e75c8 R11: ffffffffa6473028 R12: 1ffff9200041ce2c
[   99.294949][  T879] R13: 0000000000000514 R14: ffffc900020e7880 R15: ffff88800e0998e0
[   99.295380][  T879] FS:  00007f698c4a9800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[   99.295883][  T879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.296245][  T879] CR2: 00000000004e59f0 CR3: 000000000c718006 CR4: 0000000000772ef0
[   99.296669][  T879] PKRU: 55555554
[   99.296885][  T879] Call Trace:
[   99.297099][  T879]  <TASK>
[ 99.297255][ T879] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.297545][ T879] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 99.297821][ T879] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 99.298101][ T879] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 99.298390][ T879] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 99.298672][ T879] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 99.298957][ T879] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 99.299249][ T879] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 99.299604][ T879] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 99.299890][ T879] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 99.300165][ T879] ? __kernel_text_address (kernel/extable.c:79) 
[ 99.300464][ T879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.300756][ T879] ? __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) 
[ 99.301035][ T879] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 99.301388][ T879] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.301674][ T879] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.301950][ T879] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 99.302237][ T879] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 99.302519][ T879] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.302797][ T879] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 99.303074][ T879] ? __create_object (mm/kmemleak.c:771) 
[ 99.303365][ T879] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 99.303648][ T879] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 99.303933][ T879] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 99.304288][ T879] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 99.304576][ T879] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 99.304862][ T879] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 99.305141][ T879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.305449][ T879] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.305736][ T879] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 99.306014][ T879] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 99.306302][ T879] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 99.306581][ T879] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 99.306859][ T879] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 99.307139][ T879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.307431][ T879] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 99.307713][ T879] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 99.307998][ T879] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 99.308293][ T879] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 99.308569][ T879] ? 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) 
[ 99.308848][ T879] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 99.309128][ T879] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 99.309412][ T879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.309698][ T879] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 99.309985][ T879] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 99.310269][ T879] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 99.310557][ T879] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 99.310837][ T879] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 99.311121][ T879] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 99.311485][ T879] ___sys_sendmsg (net/socket.c:2670) 
[ 99.311766][ T879] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 99.312049][ T879] ? __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) 
[ 99.312401][ T879] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 99.312684][ T879] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.312963][ T879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.313253][ T879] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.313532][ T879] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 99.313810][ T879] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 99.314096][ T879] __sys_sendmsg (net/socket.c:2700) 
[ 99.314380][ T879] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 99.314723][ T879] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 99.315012][ T879] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.315314][ T879] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 99.315602][ T879] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   99.315945][  T879] RIP: 0033:0x7f698c6761e7
[ 99.316244][ T879] 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)
[   99.317238][  T879] RSP: 002b:00007ffce0369628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   99.317658][  T879] RAX: ffffffffffffffda RBX: 00007ffce0369d60 RCX: 00007f698c6761e7
[   99.318075][  T879] RDX: 0000000000000000 RSI: 00007ffce0369690 RDI: 0000000000000005
[   99.318503][  T879] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   99.318920][  T879] R10: 00007f698c573498 R11: 0000000000000246 R12: 0000000000000003
[   99.319344][  T879] R13: 00000000686e7ebe R14: 0000000000499600 R15: 0000000000000000
| [   99.455534][  T881] ------------[ cut here ]------------
| [ 99.455858][ T881] WARNING: CPU: 1 PID: 881 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) 
| [   99.456880][  T881] Modules linked in:
| [   99.457698][  T881] Tainted: [W]=WARN
[   99.457917][  T881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 99.458281][ T881] 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) 
[ 99.458576][ T881] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   99.459613][  T881] RSP: 0018:ffffc90002117140 EFLAGS: 00010246
[   99.459977][  T881] RAX: 0000000000000000 RBX: ffff88800a019000 RCX: 0000000000000001
[   99.460416][  T881] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[   99.460853][  T881] RBP: ffffc90002117228 R08: ffff8880066bb800 R09: 0000000000000000
[   99.461290][  T881] R10: ffffc900021175c8 R11: ffffffffa6473028 R12: 1ffff92000422e2c
[   99.461720][  T881] R13: 0000000000000514 R14: ffffc90002117880 R15: ffff88800e09b860
[   99.462149][  T881] FS:  00007ff4055f6800(0000) GS:ffff8880c5819000(0000) knlGS:0000000000000000
[   99.462665][  T881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.463025][  T881] CR2: 00000000004e5a00 CR3: 0000000010806006 CR4: 0000000000772ef0
[   99.463465][  T881] PKRU: 55555554
[   99.463683][  T881] Call Trace:
[   99.463897][  T881]  <TASK>
[ 99.464041][ T881] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.464359][ T881] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 99.464655][ T881] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 99.464944][ T881] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 99.465621][ T881] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 99.465912][ T881] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 99.466332][ T881] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 99.466622][ T881] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 99.466986][ T881] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 99.467428][ T881] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 99.467711][ T881] ? __kernel_text_address (kernel/extable.c:79) 
[ 99.468000][ T881] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.468439][ T881] ? __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) 
[ 99.468727][ T881] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 99.469083][ T881] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.469432][ T881] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.469723][ T881] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 99.470011][ T881] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 99.470307][ T881] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.470593][ T881] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 99.470877][ T881] ? __create_object (mm/kmemleak.c:771) 
[ 99.471168][ T881] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 99.471471][ T881] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 99.471760][ T881] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 99.472121][ T881] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 99.472433][ T881] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 99.472728][ T881] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 99.473016][ T881] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.473320][ T881] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.473607][ T881] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 99.473893][ T881] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 99.474194][ T881] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 99.474482][ T881] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 99.474771][ T881] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 99.475065][ T881] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.475378][ T881] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 99.475684][ T881] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 99.475973][ T881] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 99.476294][ T881] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 99.476589][ T881] ? 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) 
[ 99.476878][ T881] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 99.477187][ T881] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 99.477476][ T881] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.477771][ T881] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 99.478063][ T881] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 99.478360][ T881] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 99.478664][ T881] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 99.478957][ T881] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 99.479251][ T881] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 99.479622][ T881] ___sys_sendmsg (net/socket.c:2670) 
[ 99.479908][ T881] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 99.480223][ T881] ? __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) 
[ 99.480594][ T881] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 99.480891][ T881] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.481192][ T881] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 99.481488][ T881] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 99.481778][ T881] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 99.482065][ T881] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 99.482369][ T881] __sys_sendmsg (net/socket.c:2700) 
[ 99.482657][ T881] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 99.483016][ T881] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 99.483323][ T881] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 99.483621][ T881] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 99.483913][ T881] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   99.484290][  T881] RIP: 0033:0x7ff4057c31e7
[ 99.484597][ T881] 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)
[   99.485644][  T881] RSP: 002b:00007fff5d617088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   99.486073][  T881] RAX: ffffffffffffffda RBX: 00007fff5d6177c0 RCX: 00007ff4057c31e7
[   99.486511][  T881] RDX: 0000000000000000 RSI: 00007fff5d6170f0 RDI: 0000000000000005
[   99.486943][  T881] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   99.487390][  T881] R10: 00007ff4056c0498 R11: 0000000000000246 R12: 0000000000000003
[   99.487820][  T881] R13: 00000000686e7ebf R14: 0000000000499600 R15: 0000000000000000
| [  117.250894][ T1012] ------------[ cut here ]------------
| [ 117.251230][ T1012] WARNING: CPU: 3 PID: 1012 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) 
| [  117.251857][ T1012] Modules linked in:
| [  117.252746][ T1012] Tainted: [W]=WARN
[  117.252985][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.253384][ T1012] 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) 
[ 117.253708][ T1012] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  117.254833][ T1012] RSP: 0018:ffffc90002696ef0 EFLAGS: 00010246
[  117.255238][ T1012] RAX: 0000000000000000 RBX: ffff888009942000 RCX: 0000000000000001
[  117.255716][ T1012] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[  117.256197][ T1012] RBP: ffffc90002696fd8 R08: 0000000000000000 R09: 0000000000000000
[  117.256668][ T1012] R10: ffffc90002697008 R11: ffffffffa5b8d1e0 R12: 1ffff920004d2de2
[  117.257138][ T1012] R13: 00000000000005dc R14: ffffc90002697008 R15: ffff888009942f48
[  117.258635][ T1012] FS:  00007f2dccaf5800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[  117.259203][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.259597][ T1012] CR2: 00000000004e59f0 CR3: 0000000010861006 CR4: 0000000000772ef0
[  117.260071][ T1012] PKRU: 55555554
[  117.260337][ T1012] Call Trace:
[  117.260574][ T1012]  <TASK>
[ 117.260737][ T1012] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.261050][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.261388][ T1012] netif_set_mtu (net/core/dev.c:9652) 
[ 117.261717][ T1012] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.262044][ T1012] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.262307][ T1012] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 117.262627][ T1012] br_add_if (net/bridge/br_if.c:697) 
[ 117.262878][ T1012] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 117.263202][ T1012] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 117.263518][ T1012] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 117.263833][ T1012] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 117.264250][ T1012] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 117.264563][ T1012] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 117.264875][ T1012] ? __kernel_text_address (kernel/extable.c:79) 
[ 117.265212][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.265526][ T1012] ? __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) 
[ 117.265853][ T1012] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 117.266249][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.266562][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.266880][ T1012] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 117.267201][ T1012] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 117.267512][ T1012] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.267827][ T1012] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.268135][ T1012] ? __create_object (mm/kmemleak.c:771) 
[ 117.268469][ T1012] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 117.268782][ T1012] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 117.269098][ T1012] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 117.269495][ T1012] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 117.269813][ T1012] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.270133][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.270456][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.270774][ T1012] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.271082][ T1012] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.271461][ T1012] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.271777][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.272096][ T1012] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.272448][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.272770][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.273087][ T1012] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.273416][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.273732][ T1012] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.274056][ T1012] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.274378][ T1012] ? 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) 
[ 117.274694][ T1012] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.275015][ T1012] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.275333][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.275657][ T1012] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.275971][ T1012] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.276305][ T1012] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.276626][ T1012] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.276940][ T1012] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.277268][ T1012] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.277670][ T1012] ___sys_sendmsg (net/socket.c:2670) 
[ 117.277979][ T1012] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 117.278298][ T1012] ? __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) 
[ 117.278700][ T1012] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.279015][ T1012] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.279338][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.279659][ T1012] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.279970][ T1012] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 117.280300][ T1012] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.280626][ T1012] __sys_sendmsg (net/socket.c:2700) 
[ 117.280937][ T1012] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 117.281334][ T1012] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.281656][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.281968][ T1012] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.282292][ T1012] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.282686][ T1012] RIP: 0033:0x7f2dcccc21e7
[ 117.283005][ T1012] 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)
[  117.284114][ T1012] RSP: 002b:00007fff75e74b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.284607][ T1012] RAX: ffffffffffffffda RBX: 00007fff75e75260 RCX: 00007f2dcccc21e7
[  117.285087][ T1012] RDX: 0000000000000000 RSI: 00007fff75e74b90 RDI: 0000000000000005
[  117.285571][ T1012] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  117.286040][ T1012] R10: 0000000037938910 R11: 0000000000000246 R12: 0000000000000004
[  117.286521][ T1012] R13: 00000000686e7ed0 R14: 0000000000499600 R15: 0000000000000000
| [  117.419226][ T1013] ------------[ cut here ]------------
| [ 117.419545][ T1013] WARNING: CPU: 3 PID: 1013 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) 
| [  117.420159][ T1013] Modules linked in:
| [  117.421058][ T1013] Tainted: [W]=WARN
[  117.421307][ T1013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.421699][ T1013] 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) 
[ 117.422018][ T1013] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  117.423143][ T1013] RSP: 0018:ffffc900026a6ef0 EFLAGS: 00010246
[  117.423590][ T1013] RAX: 0000000000000000 RBX: ffff888009942000 RCX: 0000000000000001
[  117.424062][ T1013] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[  117.424541][ T1013] RBP: ffffc900026a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  117.425013][ T1013] R10: ffffc900026a7008 R11: ffffffffa64ceab8 R12: 1ffff920004d4de2
[  117.425784][ T1013] R13: 00000000000005dc R14: ffffc900026a7008 R15: ffff888009942f48
[  117.426444][ T1013] FS:  00007f354c940800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[  117.427028][ T1013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.427629][ T1013] CR2: 00000000004e59f8 CR3: 000000000f3a4003 CR4: 0000000000772ef0
[  117.428141][ T1013] PKRU: 55555554
[  117.428445][ T1013] Call Trace:
[  117.428682][ T1013]  <TASK>
[ 117.428854][ T1013] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.429190][ T1013] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 117.429516][ T1013] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 117.429906][ T1013] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 117.430234][ T1013] netif_set_mtu (net/core/dev.c:9652) 
[ 117.430545][ T1013] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 117.430867][ T1013] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 117.431285][ T1013] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 117.431522][ T1013] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 117.431837][ T1013] br_add_if (net/bridge/br_if.c:697) 
[ 117.432090][ T1013] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 117.432411][ T1013] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 117.432731][ T1013] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 117.433048][ T1013] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 117.433458][ T1013] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 117.433777][ T1013] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 117.434088][ T1013] ? __kernel_text_address (kernel/extable.c:79) 
[ 117.434419][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.434735][ T1013] ? __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) 
[ 117.435048][ T1013] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 117.435445][ T1013] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.435773][ T1013] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.436083][ T1013] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 117.436409][ T1013] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 117.436727][ T1013] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.437045][ T1013] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.437388][ T1013] ? __create_object (mm/kmemleak.c:771) 
[ 117.437708][ T1013] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 117.438022][ T1013] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 117.438348][ T1013] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 117.438741][ T1013] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 117.439061][ T1013] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.439397][ T1013] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.439715][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.440035][ T1013] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.440359][ T1013] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.440670][ T1013] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.440994][ T1013] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.441322][ T1013] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.441663][ T1013] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.441984][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.442314][ T1013] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.442631][ T1013] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.442943][ T1013] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.443275][ T1013] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.443597][ T1013] ? 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) 
[ 117.443911][ T1013] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 117.444238][ T1013] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.444551][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.444867][ T1013] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.445213][ T1013] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.445532][ T1013] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.445857][ T1013] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.446190][ T1013] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.446504][ T1013] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.446917][ T1013] ___sys_sendmsg (net/socket.c:2670) 
[ 117.447238][ T1013] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 117.447550][ T1013] ? __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) 
[ 117.447939][ T1013] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.448265][ T1013] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.448593][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.448912][ T1013] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.449239][ T1013] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 117.449559][ T1013] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.449885][ T1013] __sys_sendmsg (net/socket.c:2700) 
[ 117.450206][ T1013] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 117.450595][ T1013] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.450919][ T1013] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.451249][ T1013] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.451572][ T1013] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.451956][ T1013] RIP: 0033:0x7f354cb0d1e7
[ 117.452289][ T1013] 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)
[  117.453413][ T1013] RSP: 002b:00007fff24d89768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.453896][ T1013] RAX: ffffffffffffffda RBX: 00007fff24d89ea0 RCX: 00007f354cb0d1e7
[  117.454379][ T1013] RDX: 0000000000000000 RSI: 00007fff24d897d0 RDI: 0000000000000005
[  117.454846][ T1013] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  117.455324][ T1013] R10: 000000001490b910 R11: 0000000000000246 R12: 0000000000000004
[  117.455806][ T1013] R13: 00000000686e7ed0 R14: 0000000000499600 R15: 0000000000000000
| [  128.393497][ T1075] ------------[ cut here ]------------
| [ 128.393885][ T1075] WARNING: CPU: 0 PID: 1075 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) 
| [  128.394533][ T1075] Modules linked in:
| [  128.395320][ T1075] Tainted: [W]=WARN
[  128.395528][ T1075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 128.395883][ T1075] 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) 
[ 128.396168][ T1075] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  128.397160][ T1075] RSP: 0018:ffffc90002807140 EFLAGS: 00010246
[  128.397516][ T1075] RAX: 0000000000000000 RBX: ffff888008094000 RCX: 0000000000000001
[  128.397931][ T1075] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[  128.398354][ T1075] RBP: ffffc90002807228 R08: ffff88800cf62000 R09: 0000000000000000
[  128.398766][ T1075] R10: ffffc900028075c8 R11: ffffffffa6473028 R12: 1ffff92000500e2c
[  128.399183][ T1075] R13: 0000000000000514 R14: ffffc90002807880 R15: ffff888002a71c60
[  128.399596][ T1075] FS:  00007fb2741b8800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[  128.400080][ T1075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  128.400434][ T1075] CR2: 00000000004e59f0 CR3: 000000001118b002 CR4: 0000000000772ef0
[  128.400846][ T1075] PKRU: 55555554
[  128.401057][ T1075] Call Trace:
[  128.401273][ T1075]  <TASK>
[ 128.401414][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.401695][ T1075] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 128.401966][ T1075] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 128.402254][ T1075] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 128.402534][ T1075] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 128.402808][ T1075] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 128.403085][ T1075] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 128.403370][ T1075] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 128.403718][ T1075] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 128.403994][ T1075] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 128.404273][ T1075] ? __kernel_text_address (kernel/extable.c:79) 
[ 128.404549][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.404828][ T1075] ? __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) 
[ 128.405102][ T1075] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 128.405449][ T1075] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 128.405735][ T1075] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 128.406007][ T1075] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 128.406288][ T1075] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 128.406568][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.406841][ T1075] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 128.407111][ T1075] ? __create_object (mm/kmemleak.c:771) 
[ 128.407395][ T1075] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 128.407672][ T1075] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 128.407954][ T1075] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 128.408320][ T1075] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 128.408606][ T1075] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 128.408887][ T1075] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 128.409164][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.409454][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.409729][ T1075] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 128.410004][ T1075] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 128.410294][ T1075] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 128.410569][ T1075] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 128.410843][ T1075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 128.411122][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.411406][ T1075] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 128.411681][ T1075] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 128.411955][ T1075] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 128.412250][ T1075] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 128.412523][ T1075] ? 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) 
[ 128.412798][ T1075] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 128.413072][ T1075] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 128.413354][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.413635][ T1075] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 128.413911][ T1075] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 128.414197][ T1075] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 128.414479][ T1075] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 128.414757][ T1075] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 128.415027][ T1075] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 128.415390][ T1075] ___sys_sendmsg (net/socket.c:2670) 
[ 128.415670][ T1075] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 128.415940][ T1075] ? __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) 
[ 128.416294][ T1075] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 128.416572][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.416849][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.417131][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.417413][ T1075] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 128.417687][ T1075] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 128.417967][ T1075] __sys_sendmsg (net/socket.c:2700) 
[ 128.418259][ T1075] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 128.418600][ T1075] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 128.418885][ T1075] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 128.419161][ T1075] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 128.419444][ T1075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  128.419780][ T1075] RIP: 0033:0x7fb2743851e7
[ 128.420067][ T1075] 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)
[  128.421047][ T1075] RSP: 002b:00007ffe43896678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  128.421466][ T1075] RAX: ffffffffffffffda RBX: 00007ffe43896db0 RCX: 00007fb2743851e7
[  128.421876][ T1075] RDX: 0000000000000000 RSI: 00007ffe438966e0 RDI: 0000000000000005
[  128.422297][ T1075] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  128.422704][ T1075] R10: 00007fb274282498 R11: 0000000000000246 R12: 0000000000000003
[  128.423114][ T1075] R13: 00000000686e7edb R14: 0000000000499600 R15: 0000000000000000
| [  128.553446][ T1077] ------------[ cut here ]------------
| [ 128.553748][ 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) 
| [  128.554711][ T1077] Modules linked in:
| [  128.555489][ T1077] Tainted: [W]=WARN
[  128.555711][ T1077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 128.556053][ 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) 
[ 128.556346][ T1077] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  128.557333][ T1077] RSP: 0018:ffffc900027d7140 EFLAGS: 00010246
[  128.557683][ T1077] RAX: 0000000000000000 RBX: ffff88800984c000 RCX: 0000000000000001
[  128.558093][ T1077] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[  128.558510][ T1077] RBP: ffffc900027d7228 R08: ffff8880067dd000 R09: 0000000000000000
[  128.558919][ T1077] R10: ffffc900027d75c8 R11: ffffffffa6473028 R12: 1ffff920004fae2c
[  128.559339][ T1077] R13: 0000000000000514 R14: ffffc900027d7880 R15: ffff888002a72a60
[  128.559750][ T1077] FS:  00007f1c73f5d800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[  128.560238][ T1077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  128.560584][ T1077] CR2: 00000000004e5a00 CR3: 0000000010e7c004 CR4: 0000000000772ef0
[  128.560997][ T1077] PKRU: 55555554
[  128.561215][ T1077] Call Trace:
[  128.561421][ T1077]  <TASK>
[ 128.561560][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.561839][ T1077] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 128.562109][ T1077] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 128.562392][ T1077] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 128.562666][ T1077] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 128.562940][ T1077] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 128.563228][ T1077] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 128.563505][ T1077] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 128.563855][ T1077] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 128.564127][ T1077] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 128.564404][ T1077] ? __kernel_text_address (kernel/extable.c:79) 
[ 128.564678][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.564955][ 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) 
[ 128.565242][ T1077] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 128.565586][ T1077] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 128.565862][ T1077] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 128.566133][ T1077] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 128.566412][ T1077] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 128.566686][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.566959][ T1077] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 128.567241][ T1077] ? __create_object (mm/kmemleak.c:771) 
[ 128.567515][ T1077] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 128.567791][ T1077] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 128.568064][ T1077] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 128.568419][ T1077] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 128.568705][ T1077] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 128.568984][ T1077] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 128.569265][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.569547][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.569820][ T1077] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 128.570090][ T1077] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 128.570371][ T1077] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 128.570644][ T1077] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 128.570919][ T1077] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 128.571207][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.571490][ T1077] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 128.571768][ T1077] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 128.572042][ T1077] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 128.572333][ T1077] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 128.572606][ 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) 
[ 128.572879][ T1077] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 128.573154][ T1077] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 128.573437][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.573716][ T1077] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 128.573992][ T1077] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 128.574271][ T1077] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 128.574550][ T1077] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 128.574822][ T1077] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 128.575091][ T1077] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 128.575453][ T1077] ___sys_sendmsg (net/socket.c:2670) 
[ 128.575737][ T1077] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 128.576008][ 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) 
[ 128.576356][ T1077] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 128.576633][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.576906][ T1077] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 128.577193][ T1077] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 128.577467][ 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) 
[ 128.577741][ T1077] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 128.578020][ T1077] __sys_sendmsg (net/socket.c:2700) 
[ 128.578299][ T1077] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 128.578639][ T1077] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 128.578923][ T1077] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 128.579203][ T1077] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 128.579478][ T1077] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  128.579816][ T1077] RIP: 0033:0x7f1c7412a1e7
[ 128.580099][ 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)
[  128.581078][ T1077] RSP: 002b:00007ffea2658358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  128.581500][ T1077] RAX: ffffffffffffffda RBX: 00007ffea2658a90 RCX: 00007f1c7412a1e7
[  128.581906][ T1077] RDX: 0000000000000000 RSI: 00007ffea26583c0 RDI: 0000000000000005
[  128.582319][ T1077] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  128.582727][ T1077] R10: 00007f1c74027498 R11: 0000000000000246 R12: 0000000000000003
[  128.583134][ T1077] R13: 00000000686e7edc R14: 0000000000499600 R15: 0000000000000000
| [  129.387423][ T1087] ------------[ cut here ]------------
| [ 129.387781][ T1087] WARNING: CPU: 3 PID: 1087 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) 
| [  129.388402][ T1087] Modules linked in:
| [  129.389299][ T1087] Tainted: [W]=WARN
[  129.389537][ T1087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.389931][ T1087] 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) 
[ 129.390260][ T1087] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  129.391367][ T1087] RSP: 0018:ffffc90002867140 EFLAGS: 00010246
[  129.391763][ T1087] RAX: 0000000000000000 RBX: ffff888008094000 RCX: 0000000000000001
[  129.392233][ T1087] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[  129.392698][ T1087] RBP: ffffc90002867228 R08: ffff88800f22b800 R09: 0000000000000000
[  129.393160][ T1087] R10: ffffc900028675c8 R11: ffffffffa6473028 R12: 1ffff9200050ce2c
[  129.393632][ T1087] R13: 00000000000005dc R14: ffffc90002867880 R15: ffff88800b8cea60
[  129.394101][ T1087] FS:  00007ff2f1e3a800(0000) GS:ffff8880c5919000(0000) knlGS:0000000000000000
[  129.394656][ T1087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.395049][ T1087] CR2: 00000000004e59f0 CR3: 00000000111f5001 CR4: 0000000000772ef0
[  129.395526][ T1087] PKRU: 55555554
[  129.395770][ T1087] Call Trace:
[  129.396008][ T1087]  <TASK>
[ 129.396169][ T1087] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.396500][ T1087] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 129.396807][ T1087] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.397116][ T1087] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 129.397436][ T1087] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 129.397743][ T1087] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 129.398062][ T1087] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 129.398388][ T1087] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 129.398783][ T1087] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 129.399091][ T1087] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 129.399407][ T1087] ? __kernel_text_address (kernel/extable.c:79) 
[ 129.399719][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.400030][ T1087] ? __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) 
[ 129.400353][ T1087] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 129.400737][ T1087] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.401049][ T1087] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.401363][ T1087] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 129.401670][ T1087] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 129.401980][ T1087] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.402299][ T1087] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 129.402606][ T1087] ? __create_object (mm/kmemleak.c:771) 
[ 129.402918][ T1087] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 129.403237][ T1087] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 129.403549][ T1087] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 129.403931][ T1087] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 129.404261][ T1087] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 129.404576][ T1087] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.404882][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.405225][ T1087] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.405537][ T1087] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 129.405862][ T1087] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.406186][ T1087] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.406494][ T1087] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 129.406810][ T1087] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.407121][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.407443][ T1087] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 129.407759][ T1087] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.408069][ T1087] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 129.408396][ T1087] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 129.408701][ T1087] ? 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) 
[ 129.409010][ T1087] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 129.409332][ T1087] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 129.409638][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.409956][ T1087] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 129.410273][ T1087] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 129.410586][ T1087] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 129.410903][ T1087] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 129.411227][ T1087] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 129.411535][ T1087] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 129.411934][ T1087] ___sys_sendmsg (net/socket.c:2670) 
[ 129.412254][ T1087] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 129.412563][ T1087] ? __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) 
[ 129.412946][ T1087] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 129.413273][ T1087] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.413589][ T1087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.413913][ T1087] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.414232][ T1087] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 129.414546][ T1087] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.414860][ T1087] __sys_sendmsg (net/socket.c:2700) 
[ 129.415183][ T1087] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 129.415574][ T1087] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 129.415906][ T1087] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.416231][ T1087] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 129.416545][ T1087] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  129.416937][ T1087] RIP: 0033:0x7ff2f20071e7
[ 129.417269][ T1087] 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)
[  129.418382][ T1087] RSP: 002b:00007ffc6c892088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  129.418844][ T1087] RAX: ffffffffffffffda RBX: 00007ffc6c8927c0 RCX: 00007ff2f20071e7
[  129.419318][ T1087] RDX: 0000000000000000 RSI: 00007ffc6c8920f0 RDI: 0000000000000005
[  129.419779][ T1087] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  129.420247][ T1087] R10: 00007ff2f1f04498 R11: 0000000000000246 R12: 0000000000000003
[  129.420709][ T1087] R13: 00000000686e7edc R14: 0000000000499600 R15: 0000000000000000
| [  129.537434][ T1089] ------------[ cut here ]------------
| [ 129.537756][ T1089] WARNING: CPU: 0 PID: 1089 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) 
| [  129.538341][ T1089] Modules linked in:
| [  129.539159][ T1089] Tainted: [W]=WARN
[  129.539386][ T1089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.539751][ T1089] 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) 
[ 129.540049][ T1089] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  129.541093][ T1089] RSP: 0018:ffffc90002827140 EFLAGS: 00010246
[  129.542068][ T1089] RAX: 0000000000000000 RBX: ffff88800984c000 RCX: 0000000000000001
[  129.542527][ T1089] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[  129.542964][ T1089] RBP: ffffc90002827228 R08: ffff888005065000 R09: 0000000000000000
[  129.543414][ T1089] R10: ffffc900028275c8 R11: ffffffffa6473028 R12: 1ffff92000504e2c
[  129.543847][ T1089] R13: 00000000000005dc R14: ffffc90002827880 R15: ffff88800c6acae0
[  129.544286][ T1089] FS:  00007f937ee5a800(0000) GS:ffff8880c5799000(0000) knlGS:0000000000000000
[  129.544792][ T1089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.545157][ T1089] CR2: 00000000004e5a00 CR3: 00000000111f5004 CR4: 0000000000772ef0
[  129.545627][ T1089] PKRU: 55555554
[  129.545849][ T1089] Call Trace:
[  129.546065][ T1089]  <TASK>
[ 129.546222][ T1089] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.546521][ T1089] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 129.546809][ T1089] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.547103][ T1089] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 129.547408][ T1089] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 129.547697][ T1089] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 129.547991][ T1089] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 129.548295][ T1089] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 129.548664][ T1089] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 129.548953][ T1089] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 129.549251][ T1089] ? __kernel_text_address (kernel/extable.c:79) 
[ 129.549548][ T1089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.549839][ T1089] ? __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) 
[ 129.550129][ T1089] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 129.550499][ T1089] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.550793][ T1089] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.551079][ T1089] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 129.551376][ T1089] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 129.551675][ T1089] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.551964][ T1089] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 129.552259][ T1089] ? __create_object (mm/kmemleak.c:771) 
[ 129.552553][ T1089] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 129.552845][ T1089] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 129.553139][ T1089] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 129.553513][ T1089] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 129.553811][ T1089] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 129.554113][ T1089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.554413][ T1089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.554710][ T1089] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.555000][ T1089] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 129.555296][ T1089] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.555594][ T1089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.555882][ T1089] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 129.556182][ T1089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.556483][ T1089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.556778][ T1089] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 129.557071][ T1089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.557375][ T1089] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 129.557681][ T1089] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 129.557967][ T1089] ? 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) 
[ 129.558268][ T1089] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 129.558561][ T1089] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 129.558851][ T1089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.559145][ T1089] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 129.559449][ T1089] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 129.559741][ T1089] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 129.560037][ T1089] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 129.560341][ T1089] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 129.560633][ T1089] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 129.561006][ T1089] ___sys_sendmsg (net/socket.c:2670) 
[ 129.561300][ T1089] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 129.561590][ T1089] ? __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) 
[ 129.561953][ T1089] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 129.562253][ T1089] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.562546][ T1089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.562847][ T1089] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.563137][ T1089] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 129.563435][ T1089] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.563735][ T1089] __sys_sendmsg (net/socket.c:2700) 
[ 129.564017][ T1089] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 129.564378][ T1089] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 129.564680][ T1089] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.564972][ T1089] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 129.565270][ T1089] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  129.565637][ T1089] RIP: 0033:0x7f937f0271e7
[ 129.565936][ T1089] 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)
[  129.566976][ T1089] RSP: 002b:00007ffdb58e7918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  129.567415][ T1089] RAX: ffffffffffffffda RBX: 00007ffdb58e8050 RCX: 00007f937f0271e7
[  129.567847][ T1089] RDX: 0000000000000000 RSI: 00007ffdb58e7980 RDI: 0000000000000005
[  129.568281][ T1089] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  129.568712][ T1089] R10: 00007f937ef24498 R11: 0000000000000246 R12: 0000000000000003
[  129.569145][ T1089] R13: 00000000686e7edd R14: 0000000000499600 R15: 0000000000000000
| [  131.678901][ T1121] ------------[ cut here ]------------
| [ 131.679820][ T1121] WARNING: CPU: 2 PID: 1121 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) 
| [  131.680389][ T1121] Modules linked in:
| [  131.681167][ T1121] Tainted: [W]=WARN
[  131.681394][ T1121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 131.681744][ T1121] 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) 
[ 131.682036][ T1121] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  131.683020][ T1121] RSP: 0018:ffffc90002927140 EFLAGS: 00010246
[  131.683382][ T1121] RAX: 0000000000000000 RBX: ffff888008094000 RCX: 0000000000000001
[  131.683792][ T1121] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[  131.684215][ T1121] RBP: ffffc90002927228 R08: ffff88800d15d000 R09: 0000000000000000
[  131.684637][ T1121] R10: ffffc900029275c8 R11: ffffffffa6473028 R12: 1ffff92000524e2c
[  131.685046][ T1121] R13: 0000000000000514 R14: ffffc90002927880 R15: ffff88800b792a60
[  131.685469][ T1121] FS:  00007fc043a96800(0000) GS:ffff8880c5899000(0000) knlGS:0000000000000000
[  131.685992][ T1121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  131.686361][ T1121] CR2: 00000000004e59f0 CR3: 000000000f352003 CR4: 0000000000772ef0
[  131.686789][ T1121] PKRU: 55555554
[  131.687013][ T1121] Call Trace:
[  131.687237][ T1121]  <TASK>
[ 131.687385][ T1121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.687675][ T1121] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 131.687950][ T1121] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 131.688247][ T1121] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 131.688533][ T1121] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 131.688817][ T1121] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 131.689104][ T1121] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 131.689399][ T1121] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 131.689752][ T1121] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 131.690029][ T1121] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 131.690318][ T1121] ? __kernel_text_address (kernel/extable.c:79) 
[ 131.690631][ T1121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.690925][ T1121] ? __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) 
[ 131.691222][ T1121] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 131.691589][ T1121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 131.691871][ T1121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 131.692184][ T1121] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 131.692471][ T1121] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 131.692763][ T1121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.693053][ T1121] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 131.693352][ T1121] ? __create_object (mm/kmemleak.c:771) 
[ 131.693637][ T1121] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 131.693921][ T1121] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 131.694216][ T1121] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 131.694587][ T1121] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 131.694881][ T1121] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 131.695188][ T1121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 131.695478][ T1121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.695785][ T1121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.696075][ T1121] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 131.696373][ T1121] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 131.696663][ T1121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 131.696959][ T1121] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 131.697251][ T1121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 131.697538][ T1121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.697823][ T1121] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 131.698105][ T1121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 131.698397][ T1121] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 131.698687][ T1121] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 131.698965][ T1121] ? 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) 
[ 131.699255][ T1121] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 131.699538][ T1121] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 131.699817][ T1121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.700103][ T1121] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 131.700394][ T1121] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 131.700681][ T1121] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 131.700974][ T1121] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 131.701281][ T1121] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 131.701571][ T1121] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 131.701928][ T1121] ___sys_sendmsg (net/socket.c:2670) 
[ 131.702214][ T1121] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 131.702493][ T1121] ? __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) 
[ 131.702842][ T1121] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 131.703124][ T1121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.703416][ T1121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.703713][ T1121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.703993][ T1121] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 131.704280][ T1121] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 131.704572][ T1121] __sys_sendmsg (net/socket.c:2700) 
[ 131.704851][ T1121] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 131.705204][ T1121] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 131.705515][ T1121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 131.705813][ T1121] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 131.706106][ T1121] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  131.706467][ T1121] RIP: 0033:0x7fc043c631e7
[ 131.706769][ T1121] 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)
[  131.707763][ T1121] RSP: 002b:00007ffeb7f8d788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  131.708189][ T1121] RAX: ffffffffffffffda RBX: 00007ffeb7f8dec0 RCX: 00007fc043c631e7
[  131.708608][ T1121] RDX: 0000000000000000 RSI: 00007ffeb7f8d7f0 RDI: 0000000000000005
[  131.709024][ T1121] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  131.709448][ T1121] R10: 00007fc043b60498 R11: 0000000000000246 R12: 0000000000000003
[  131.709865][ T1121] R13: 00000000686e7edf R14: 0000000000499600 R15: 0000000000000000
| [  131.845646][ T1123] ------------[ cut here ]------------
| [ 131.845997][ T1123] WARNING: CPU: 2 PID: 1123 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) 
| [  131.846592][ T1123] Modules linked in:
| [  131.847444][ T1123] Tainted: [W]=WARN
[  131.847672][ T1123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 131.848035][ T1123] 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) 
[ 131.848353][ T1123] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  131.849430][ T1123] RSP: 0018:ffffc90002287140 EFLAGS: 00010246
[  131.849816][ T1123] RAX: 0000000000000000 RBX: ffff88800984c000 RCX: 0000000000000001
[  131.850258][ T1123] RDX: 0000000000000000 RSI: ffffffffa5110751 RDI: ffffffffa4858280
[  131.850670][ T1123] RBP: ffffc90002287228 R08: ffff888005020800 R09: 0000000000000000
[  131.851083][ T1123] R10: ffffc900022875c8 R11: ffffffffa6473028 R12: 1ffff92000450e2c
[  131.851504][ T1123] R13: 0000000000000514 R14: ffffc90002287880 R15: ffff88800b793160
[  131.851921][ T1123] FS:  00007fdf3d912800(0000) GS:ffff8880c5899000(0000) knlGS:0000000000000000
[  131.852439][ T1123] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  131.852804][ T1123] CR2: 00000000004e5a00 CR3: 0000000010e7c004 CR4: 0000000000772ef0
[  131.853395][ T1123] PKRU: 55555554
[  131.853983][ T1123] Call Trace:
[  131.854347][ T1123]  <TASK>
[ 131.854507][ T1123] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.854792][ T1123] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 131.855068][ T1123] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 131.855382][ T1123] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 131.855682][ T1123] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 131.855971][ T1123] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 131.856289][ T1123] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 131.856587][ T1123] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 131.856949][ T1123] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 131.857246][ T1123] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 131.857532][ T1123] ? __kernel_text_address (kernel/extable.c:79) 
[ 131.857846][ T1123] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.858159][ T1123] ? __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) 
[ 131.858464][ T1123] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 131.858830][ T1123] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 131.859125][ T1123] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 131.859449][ T1123] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 131.859752][ T1123] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 131.860060][ T1123] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.860388][ T1123] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 131.860692][ T1123] ? __create_object (mm/kmemleak.c:771) 
[ 131.860995][ T1123] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 131.861312][ T1123] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 131.861624][ T1123] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 131.861970][ T1123] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 131.862265][ T1123] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 131.862554][ T1123] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 131.862835][ T1123] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.863120][ T1123] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.863407][ T1123] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 131.863690][ T1123] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 131.863973][ T1123] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 131.864295][ T1123] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 131.864591][ T1123] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 131.864888][ T1123] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.865191][ T1123] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 131.865481][ T1123] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 131.865781][ T1123] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 131.866080][ T1123] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 131.866376][ T1123] ? 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) 
[ 131.866671][ T1123] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 131.866973][ T1123] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 131.867263][ T1123] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.867548][ T1123] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 131.867830][ T1123] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 131.868111][ T1123] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 131.868438][ T1123] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 131.868731][ T1123] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 131.869020][ T1123] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 131.869398][ T1123] ___sys_sendmsg (net/socket.c:2670) 
[ 131.869701][ T1123] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 131.869978][ T1123] ? __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) 
[ 131.870367][ T1123] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 131.870660][ T1123] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.870949][ T1123] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 131.871257][ T1123] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 131.871554][ T1123] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 131.871835][ T1123] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 131.872120][ T1123] __sys_sendmsg (net/socket.c:2700) 
[ 131.872440][ T1123] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 131.872802][ T1123] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 131.873102][ T1123] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 131.873405][ T1123] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 131.873710][ T1123] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  131.874050][ T1123] RIP: 0033:0x7fdf3dadf1e7
[ 131.874347][ T1123] 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)
[  131.875326][ T1123] RSP: 002b:00007ffda030a668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  131.875779][ T1123] RAX: ffffffffffffffda RBX: 00007ffda030ada0 RCX: 00007fdf3dadf1e7
[  131.876224][ T1123] RDX: 0000000000000000 RSI: 00007ffda030a6d0 RDI: 0000000000000005
[  131.876650][ T1123] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  131.877074][ T1123] R10: 00007fdf3d9dc498 R11: 0000000000000246 R12: 0000000000000003


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