======================================
| [   22.616196][  T283] veth01: entered promiscuous mode
| [   22.619336][  T283] ------------[ cut here ]------------
| [ 22.619692][ T283] WARNING: CPU: 1 PID: 283 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) 
| [   22.620348][  T283] Modules linked in: bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
[   22.622794][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.623208][ T283] 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) 
[ 22.623557][ T283] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.624710][  T283] RSP: 0018:ffffc900007d6ef0 EFLAGS: 00010246
[   22.625110][  T283] RAX: 0000000000000000 RBX: ffff88800e73a000 RCX: 0000000000000001
[   22.625601][  T283] RDX: 0000000000000000 RSI: ffffffff8f69f52e RDI: ffffffff8ee5a5a0
[   22.626077][  T283] RBP: ffffc900007d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.626548][  T283] R10: ffffc900007d7010 R11: ffffffff8fb798a0 R12: 1ffff920000fade2
[   22.627032][  T283] R13: 00000000000005dc R14: ffffc900007d7010 R15: ffff88800e73af08
[   22.627520][  T283] FS:  00007f138447e800(0000) GS:ffff8880a4b27000(0000) knlGS:0000000000000000
[   22.628062][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.628472][  T283] CR2: 00000000004e6888 CR3: 0000000009a56006 CR4: 0000000000772ef0
[   22.628967][  T283] PKRU: 55555554
[   22.629232][  T283] Call Trace:
[   22.629492][  T283]  <TASK>
[ 22.629657][ T283] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.630008][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.630333][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.630685][ T283] netif_set_mtu (net/core/dev.c:9652) 
[ 22.631003][ T283] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.631356][ T283] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.631602][ T283] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.632042][ T283] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.632401][ T283] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.632754][ T283] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.633072][ T283] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.633486][ T283] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.633837][ T283] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.634167][ T283] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.634495][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.634834][ T283] ? __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) 
[ 22.635143][ T283] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.635536][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.635850][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.636189][ T283] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.636512][ T283] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.636828][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.637136][ T283] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.637475][ T283] ? __create_object (mm/kmemleak.c:771) 
[ 22.637793][ T283] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.638124][ T283] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.638448][ T283] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.638866][ T283] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.639199][ T283] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.639525][ T283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.639838][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.640172][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.640493][ T283] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.640798][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.641117][ T283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.641427][ T283] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.641771][ T283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.642087][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.642423][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.642772][ T283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.643091][ T283] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.643415][ T283] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.643755][ T283] ? 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) 
[ 22.644070][ T283] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.644431][ T283] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.644766][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.645082][ T283] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.645393][ T283] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.645716][ T283] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 22.646043][ T283] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.646359][ T283] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.646678][ T283] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.647079][ T283] ___sys_sendmsg (net/socket.c:2670) 
[ 22.647388][ T283] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.647706][ T283] ? __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) 
[ 22.648091][ T283] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.648431][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.648763][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.649106][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.649417][ T283] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.649741][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.650072][ T283] __sys_sendmsg (net/socket.c:2700) 
[ 22.650381][ T283] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.650786][ T283] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.651106][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.651420][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.651744][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.652150][  T283] RIP: 0033:0x7f138464b1e7
[ 22.652489][ T283] 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)
[   22.653690][  T283] RSP: 002b:00007fff58f2f8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.654180][  T283] RAX: ffffffffffffffda RBX: 00007fff58f30000 RCX: 00007f138464b1e7
[   22.654667][  T283] RDX: 0000000000000000 RSI: 00007fff58f2f940 RDI: 0000000000000005
[   22.655143][  T283] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   22.655622][  T283] R10: 000000003672e910 R11: 0000000000000246 R12: 0000000000000003
[   22.656121][  T283] R13: 00000000686e2387 R14: 0000000000499600 R15: 0000000000000000
| [   22.910774][  T284] ------------[ cut here ]------------
| [ 22.911093][ T284] WARNING: CPU: 0 PID: 284 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) 
| [   22.911721][  T284] Modules linked in: bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   22.912968][  T284] Tainted: [W]=WARN
[   22.913208][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.913625][ T284] 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) 
[ 22.913951][ T284] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.915881][  T284] RSP: 0018:ffffc900007d6ef0 EFLAGS: 00010246
[   22.916278][  T284] RAX: 0000000000000000 RBX: ffff88800e73a000 RCX: 0000000000000001
[   22.916766][  T284] RDX: 0000000000000000 RSI: ffffffff8f69f52e RDI: ffffffff8ee5a5a0
[   22.917238][  T284] RBP: ffffc900007d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.917711][  T284] R10: ffffc900007d7010 R11: ffffffff8fb798a0 R12: 1ffff920000fade2
[   22.918175][  T284] R13: 00000000000005dc R14: ffffc900007d7010 R15: ffff88800e73af08
[   22.918663][  T284] FS:  00007f524a03f800(0000) GS:ffff8880a4aa7000(0000) knlGS:0000000000000000
[   22.919224][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.919624][  T284] CR2: 00000000004e6888 CR3: 0000000004cc0005 CR4: 0000000000772ef0
[   22.920094][  T284] PKRU: 55555554
[   22.920326][  T284] Call Trace:
[   22.920568][  T284]  <TASK>
[ 22.920731][ T284] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.921045][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.921371][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.921696][ T284] netif_set_mtu (net/core/dev.c:9652) 
[ 22.922009][ T284] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.922335][ T284] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.922592][ T284] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.923034][ T284] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.923394][ T284] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.923745][ T284] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.924063][ T284] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.924470][ T284] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.924785][ T284] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.925119][ T284] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.925454][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.925770][ T284] ? __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) 
[ 22.926089][ T284] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.926499][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.926822][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.927134][ T284] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.927455][ T284] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.927771][ T284] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.928085][ T284] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.928406][ T284] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.928729][ T284] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.929118][ T284] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.929447][ T284] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.929765][ T284] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.930075][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.930393][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.930719][ T284] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.931032][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.931344][ T284] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.931661][ T284] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.931971][ T284] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.932284][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.932608][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.932920][ T284] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.933237][ T284] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.933581][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.933890][ T284] ? 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) 
[ 22.934199][ T284] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.934528][ T284] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.934846][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.935159][ T284] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.935490][ T284] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.935808][ T284] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 22.936152][ T284] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.936475][ T284] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.936791][ T284] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.937189][ T284] ___sys_sendmsg (net/socket.c:2670) 
[ 22.937508][ T284] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.937831][ T284] ? __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) 
[ 22.938340][ T284] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.938702][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.939038][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.939357][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.939682][ T284] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.939996][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.940316][ T284] __sys_sendmsg (net/socket.c:2700) 
[ 22.940658][ T284] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.941050][ T284] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.941377][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.941698][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.942040][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.942432][  T284] RIP: 0033:0x7f524a20c1e7
[ 22.942782][ T284] 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)
[   22.943912][  T284] RSP: 002b:00007ffe292097f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.944384][  T284] RAX: ffffffffffffffda RBX: 00007ffe29209f20 RCX: 00007f524a20c1e7
[   22.944857][  T284] RDX: 0000000000000000 RSI: 00007ffe29209860 RDI: 0000000000000005
[   22.945332][  T284] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   22.945807][  T284] R10: 0000000000cbf910 R11: 0000000000000246 R12: 0000000000000003
[   22.946279][  T284] R13: 00000000686e2387 R14: 0000000000499600 R15: 0000000000000000
| [   36.661022][  T366] ------------[ cut here ]------------
| [ 36.661357][ T366] WARNING: CPU: 3 PID: 366 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) 
| [   36.662499][  T366] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   36.663843][  T366] Tainted: [W]=WARN
[   36.664089][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.664509][ T366] 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) 
[ 36.664847][ T366] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.666024][  T366] RSP: 0018:ffffc900009f6ef0 EFLAGS: 00010246
[   36.666449][  T366] RAX: 0000000000000000 RBX: ffff88800cd72000 RCX: 0000000000000001
[   36.666933][  T366] RDX: 0000000000000000 RSI: ffffffff8f69f52e RDI: ffffffff8ee5a5a0
[   36.667425][  T366] RBP: ffffc900009f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   36.667918][  T366] R10: ffffc900009f7010 R11: ffffffff8fb798a0 R12: 1ffff9200013ede2
[   36.668405][  T366] R13: 00000000000005dc R14: ffffc900009f7010 R15: ffff88800cd72f08
[   36.668900][  T366] FS:  00007f7a22cff800(0000) GS:ffff8880a4c27000(0000) knlGS:0000000000000000
[   36.669499][  T366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.669913][  T366] CR2: 00000000004e6888 CR3: 0000000005ee9003 CR4: 0000000000772ef0
[   36.670401][  T366] PKRU: 55555554
[   36.670805][  T366] Call Trace:
[   36.671052][  T366]  <TASK>
[ 36.671220][ T366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.671692][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.672033][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.672358][ T366] netif_set_mtu (net/core/dev.c:9652) 
[ 36.672778][ T366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.673122][ T366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.673366][ T366] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.673858][ T366] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.674235][ T366] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.674582][ T366] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.674912][ T366] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.675325][ T366] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.675657][ T366] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.675975][ T366] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.676304][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.676636][ T366] ? __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) 
[ 36.676962][ T366] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.677362][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.677710][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.678033][ T366] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.678355][ T366] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.678689][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.679013][ T366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.679336][ T366] ? __create_object (mm/kmemleak.c:771) 
[ 36.679672][ T366] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.679995][ T366] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.680316][ T366] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.680726][ T366] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.681055][ T366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.681382][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.681727][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.682064][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.682386][ T366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.682717][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.683046][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.683366][ T366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.683723][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.684051][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.684387][ T366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.684725][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.685049][ T366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.685386][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.685730][ T366] ? 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) 
[ 36.686060][ T366] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.686392][ T366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.686740][ T366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.687070][ T366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.687397][ T366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.687732][ T366] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 36.688062][ T366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.688386][ T366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.688718][ T366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.689134][ T366] ___sys_sendmsg (net/socket.c:2670) 
[ 36.689484][ T366] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.689809][ T366] ? __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) 
[ 36.690217][ T366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.690553][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.690879][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.691209][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.691544][ T366] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.691878][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.692212][ T366] __sys_sendmsg (net/socket.c:2700) 
[ 36.692543][ T366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.692943][ T366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.693278][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.693638][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.693972][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.694383][  T366] RIP: 0033:0x7f7a22ecc1e7
[ 36.694732][ T366] 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)
[   36.695900][  T366] RSP: 002b:00007ffee22368b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.696394][  T366] RAX: ffffffffffffffda RBX: 00007ffee2236fe0 RCX: 00007f7a22ecc1e7
[   36.696898][  T366] RDX: 0000000000000000 RSI: 00007ffee2236920 RDI: 0000000000000005
[   36.697383][  T366] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   36.697886][  T366] R10: 0000000026af4910 R11: 0000000000000246 R12: 0000000000000003
[   36.698374][  T366] R13: 00000000686e2395 R14: 0000000000499600 R15: 0000000000000000
| [   36.978501][  T367] ------------[ cut here ]------------
| [ 36.978838][ T367] WARNING: CPU: 3 PID: 367 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) 
| [   36.979533][  T367] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   36.980957][  T367] Tainted: [W]=WARN
[   36.981222][  T367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.981853][ T367] 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) 
[ 36.982200][ T367] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.983566][  T367] RSP: 0018:ffffc90000a16ef0 EFLAGS: 00010246
[   36.983986][  T367] RAX: 0000000000000000 RBX: ffff88800cd72000 RCX: 0000000000000001
[   36.984520][  T367] RDX: 0000000000000000 RSI: ffffffff8f69f52e RDI: ffffffff8ee5a5a0
[   36.985044][  T367] RBP: ffffc90000a16fe0 R08: 0000000000000000 R09: 0000000000000000
[   36.985569][  T367] R10: ffffc90000a17010 R11: ffffffff8fb798a0 R12: 1ffff92000142de2
[   36.986085][  T367] R13: 00000000000005dc R14: ffffc90000a17010 R15: ffff88800cd72f08
[   36.986615][  T367] FS:  00007f7bb18c4800(0000) GS:ffff8880a4c27000(0000) knlGS:0000000000000000
[   36.987222][  T367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.987666][  T367] CR2: 00000000004e6888 CR3: 000000000c0c3005 CR4: 0000000000772ef0
[   36.988181][  T367] PKRU: 55555554
[   36.988463][  T367] Call Trace:
[   36.988729][  T367]  <TASK>
[ 36.988908][ T367] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.989261][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.989631][ T367] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.989980][ T367] netif_set_mtu (net/core/dev.c:9652) 
[ 36.990324][ T367] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.990696][ T367] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.990960][ T367] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.991457][ T367] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.991848][ T367] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.992205][ T367] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.992568][ T367] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.993001][ T367] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.993350][ T367] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.993719][ T367] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.994070][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.994418][ T367] ? __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) 
[ 36.994777][ T367] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.995203][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.995561][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.995902][ T367] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.996243][ T367] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.996602][ T367] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.996948][ T367] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.997294][ T367] ? __create_object (mm/kmemleak.c:771) 
[ 36.997647][ T367] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.997994][ T367] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.998338][ T367] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.998775][ T367] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.999132][ T367] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.999490][ T367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.999837][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.000188][ T367] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.000544][ T367] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.000887][ T367] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.001231][ T367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.001582][ T367] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.001925][ T367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.002274][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.002641][ T367] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.002993][ T367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.003337][ T367] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.003713][ T367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.004058][ T367] ? 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) 
[ 37.004403][ T367] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.004762][ T367] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.005120][ T367] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.005475][ T367] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.005820][ T367] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.006163][ T367] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 37.006521][ T367] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.006866][ T367] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.007213][ T367] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.007674][ T367] ___sys_sendmsg (net/socket.c:2670) 
[ 37.008019][ T367] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.008365][ T367] ? __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) 
[ 37.008807][ T367] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.009155][ T367] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.009510][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.009857][ T367] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.010201][ T367] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.010561][ T367] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.010919][ T367] __sys_sendmsg (net/socket.c:2700) 
[ 37.011256][ T367] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.011692][ T367] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.012048][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.012393][ T367] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.012754][ T367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.013188][  T367] RIP: 0033:0x7f7bb1a911e7
[ 37.013562][ T367] 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)
[   37.014797][  T367] RSP: 002b:00007ffc4761fbf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.015320][  T367] RAX: ffffffffffffffda RBX: 00007ffc47620320 RCX: 00007f7bb1a911e7
[   37.015851][  T367] RDX: 0000000000000000 RSI: 00007ffc4761fc60 RDI: 0000000000000005
[   37.016367][  T367] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   37.016898][  T367] R10: 0000000025a07910 R11: 0000000000000246 R12: 0000000000000003
[   37.017414][  T367] R13: 00000000686e2395 R14: 0000000000499600 R15: 0000000000000000
| [   42.328350][  T386] ------------[ cut here ]------------
| [ 42.328704][ T386] WARNING: CPU: 0 PID: 386 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.329349][  T386] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   42.331240][  T386] Tainted: [W]=WARN
[   42.331495][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.331901][ T386] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.332230][ T386] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.333384][  T386] RSP: 0018:ffffc90000c56e80 EFLAGS: 00010246
[   42.333823][  T386] RAX: 0000000000000000 RBX: ffff88800cd72000 RCX: 0000000000000001
[   42.334301][  T386] RDX: 0000000000000000 RSI: ffffffff8f69f52e RDI: ffffffff8ee5a5a0
[   42.334783][  T386] RBP: ffffc90000c56f68 R08: 0000000000000000 R09: 0000000000000000
[   42.335261][  T386] R10: ffffc90000c56f98 R11: ffffffff8ea20d81 R12: 1ffff9200018add4
[   42.335754][  T386] R13: 00000000000005dc R14: ffffc90000c56f98 R15: ffff88800cd72f08
[   42.336229][  T386] FS:  00007f0f82374800(0000) GS:ffff8880a4aa7000(0000) knlGS:0000000000000000
[   42.336806][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.337211][  T386] CR2: 00000000004e6a30 CR3: 000000000e4aa004 CR4: 0000000000772ef0
[   42.337716][  T386] PKRU: 55555554
[   42.337968][  T386] Call Trace:
[   42.338207][  T386]  <TASK>
[ 42.338370][ T386] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.338779][ T386] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 42.339151][ T386] ? br_device_event (net/bridge/br.c:141) bridge 
[ 42.339512][ T386] ? notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 42.339836][ T386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.340160][ T386] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.340493][ T386] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.340815][ T386] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.341133][ T386] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.341474][ T386] ? ___sys_sendmsg (net/socket.c:2670) 
[ 42.341806][ T386] ? __sys_sendmsg (net/socket.c:2700) 
[ 42.342126][ T386] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.342456][ T386] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 42.342865][ T386] netif_set_mtu (net/core/dev.c:9652) 
[ 42.343186][ T386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.343551][ T386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.343797][ T386] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 42.344236][ T386] br_del_if (net/bridge/br_if.c:743) bridge 
[ 42.344601][ T386] br_device_event (net/bridge/br.c:141) bridge 
[ 42.344956][ T386] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 42.345393][ T386] ? ip_vs_dst_event (./include/net/net_namespace.h:409 ./include/linux/netdevice.h:2714 net/netfilter/ipvs/ip_vs_ctl.c:1770) ip_vs 
[ 42.345750][ T386] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 42.346080][ T386] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 42.346489][ T386] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 42.346811][ T386] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 42.347205][ T386] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 42.347615][ T386] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 42.348010][ T386] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 42.348411][ T386] rtnl_dellink (net/core/rtnetlink.c:3515 net/core/rtnetlink.c:3555) 
[ 42.348742][ T386] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 42.349107][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.349432][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.349782][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.350102][ T386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.350424][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.350752][ T386] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 42.351072][ T386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.351391][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.351722][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.352046][ T386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.352365][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.352699][ T386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.353028][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.353345][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.353697][ T386] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.354021][ T386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.354348][ T386] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.354682][ T386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.355009][ T386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.355334][ T386] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 42.355679][ T386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.356000][ T386] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.356320][ T386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.356736][ T386] ___sys_sendmsg (net/socket.c:2670) 
[ 42.357052][ T386] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.357378][ T386] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.357794][ T386] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.358125][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.358458][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.358788][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.359108][ T386] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.359426][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.359804][ T386] __sys_sendmsg (net/socket.c:2700) 
[ 42.360123][ T386] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.360527][ T386] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.360868][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.361189][ T386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.361518][ T386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.361914][  T386] RIP: 0033:0x7f0f825411e7
[ 42.362247][ T386] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.363398][  T386] RSP: 002b:00007fff83867638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.363896][  T386] RAX: ffffffffffffffda RBX: 00007fff83867d60 RCX: 00007f0f825411e7
[   42.364381][  T386] RDX: 0000000000000000 RSI: 00007fff838676a0 RDI: 0000000000000005
[   42.364867][  T386] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[   42.365353][  T386] R10: 00007f0f8243eee8 R11: 0000000000000246 R12: 0000000000000001
[   42.365837][  T386] R13: 00000000686e239a R14: 0000000000499600 R15: 0000000000000000
| [   50.332587][  T444] ------------[ cut here ]------------
| [ 50.332908][ T444] WARNING: CPU: 0 PID: 444 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   50.334182][  T444] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   50.335489][  T444] Tainted: [W]=WARN
[   50.335730][  T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.336119][ T444] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 50.336458][ T444] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   50.337583][  T444] RSP: 0018:ffffc90000e46ef0 EFLAGS: 00010246
[   50.337983][  T444] RAX: 0000000000000000 RBX: ffff88800aa62000 RCX: 0000000000000001
[   50.338462][  T444] RDX: 0000000000000000 RSI: ffffffff8f69f52e RDI: ffffffff8ee5a5a0
[   50.338939][  T444] RBP: ffffc90000e46fe0 R08: 0000000000000000 R09: 0000000000000000
[   50.339408][  T444] R10: ffffc90000e47010 R11: ffffffff8fb798a0 R12: 1ffff920001c8de2
[   50.339893][  T444] R13: 00000000000005dc R14: ffffc90000e47010 R15: ffff88800aa62f08
[   50.340364][  T444] FS:  00007f587ccf6800(0000) GS:ffff8880a4aa7000(0000) knlGS:0000000000000000
[   50.340931][  T444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.341329][  T444] CR2: 00000000004e6888 CR3: 000000000887f002 CR4: 0000000000772ef0
[   50.341815][  T444] PKRU: 55555554
[   50.342049][  T444] Call Trace:
[   50.342280][  T444]  <TASK>
[ 50.342456][ T444] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.342779][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.343100][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.343420][ T444] netif_set_mtu (net/core/dev.c:9652) 
[ 50.343763][ T444] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 50.344094][ T444] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 50.344332][ T444] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 50.344787][ T444] br_add_if (net/bridge/br_if.c:697) bridge 
[ 50.345148][ T444] do_set_master (net/core/rtnetlink.c:2948) 
[ 50.345483][ T444] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 50.345803][ T444] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.346199][ T444] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.346530][ T444] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.346842][ T444] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.347163][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.347493][ T444] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 50.347815][ T444] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.348207][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.348535][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.348850][ T444] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.349162][ T444] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.349496][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.349810][ T444] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.350131][ T444] ? __create_object (mm/kmemleak.c:771) 
[ 50.350458][ T444] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.350772][ T444] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.351093][ T444] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.351496][ T444] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.351816][ T444] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.352134][ T444] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.352458][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.352787][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.353105][ T444] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.353419][ T444] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.353760][ T444] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.354073][ T444] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.354387][ T444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.354712][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.355035][ T444] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.355353][ T444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.355676][ T444] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.356001][ T444] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.356311][ T444] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 50.356637][ T444] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 50.356955][ T444] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.357284][ T444] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.357612][ T444] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.357925][ T444] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.358249][ T444] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 50.358579][ T444] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.358904][ T444] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.359218][ T444] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.359634][ T444] ___sys_sendmsg (net/socket.c:2670) 
[ 50.359947][ T444] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.360260][ T444] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 50.360661][ T444] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.360980][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.361296][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.361627][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.361940][ T444] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.362258][ T444] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.362593][ T444] __sys_sendmsg (net/socket.c:2700) 
[ 50.362907][ T444] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.363304][ T444] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.363652][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.363972][ T444] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.364296][ T444] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.364702][  T444] RIP: 0033:0x7f587cec31e7
[ 50.365031][ T444] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   50.366158][  T444] RSP: 002b:00007fff2def8b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.366654][  T444] RAX: ffffffffffffffda RBX: 00007fff2def92c0 RCX: 00007f587cec31e7
[   50.367132][  T444] RDX: 0000000000000000 RSI: 00007fff2def8c00 RDI: 0000000000000005
[   50.367612][  T444] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   50.368087][  T444] R10: 000000003cafb910 R11: 0000000000000246 R12: 0000000000000003
[   50.368566][  T444] R13: 00000000686e23a3 R14: 0000000000499600 R15: 0000000000000000
| [   50.679751][  T445] ------------[ cut here ]------------
| [ 50.680150][ T445] WARNING: CPU: 2 PID: 445 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   50.680867][  T445] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   50.682740][  T445] Tainted: [W]=WARN
[   50.683012][  T445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.683722][ T445] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 50.684241][ T445] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   50.685676][  T445] RSP: 0018:ffffc90000e56ef0 EFLAGS: 00010246
[   50.686156][  T445] RAX: 0000000000000000 RBX: ffff88800aa62000 RCX: 0000000000000001
[   50.686706][  T445] RDX: 0000000000000000 RSI: ffffffff8f69f52e RDI: ffffffff8ee5a5a0
[   50.687239][  T445] RBP: ffffc90000e56fe0 R08: 0000000000000000 R09: 0000000000000000
[   50.687775][  T445] R10: ffffc90000e57010 R11: ffffffff8fb798a0 R12: 1ffff920001cade2
[   50.688298][  T445] R13: 00000000000005dc R14: ffffc90000e57010 R15: ffff88800aa62f08
[   50.688832][  T445] FS:  00007f2c691d6800(0000) GS:ffff8880a4ba7000(0000) knlGS:0000000000000000
[   50.689453][  T445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.689894][  T445] CR2: 00000000004e6888 CR3: 000000000aa7d004 CR4: 0000000000772ef0
[   50.690419][  T445] PKRU: 55555554
[   50.690718][  T445] Call Trace:
[   50.690991][  T445]  <TASK>
[ 50.691184][ T445] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.691560][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.691931][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.692291][ T445] netif_set_mtu (net/core/dev.c:9652) 
[ 50.692661][ T445] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 50.693034][ T445] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 50.693311][ T445] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 50.693825][ T445] br_add_if (net/bridge/br_if.c:697) bridge 
[ 50.694233][ T445] do_set_master (net/core/rtnetlink.c:2948) 
[ 50.694623][ T445] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 50.695001][ T445] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.695468][ T445] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.695826][ T445] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.696176][ T445] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.696554][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.696915][ T445] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 50.697279][ T445] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.697725][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.698086][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.698459][ T445] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.698815][ T445] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.699170][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.699540][ T445] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.699895][ T445] ? __create_object (mm/kmemleak.c:771) 
[ 50.700265][ T445] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.700638][ T445] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.700992][ T445] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.701428][ T445] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.701804][ T445] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.702166][ T445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.702543][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.702906][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.703273][ T445] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.703659][ T445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.704018][ T445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.704366][ T445] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.704732][ T445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.705087][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.705457][ T445] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.705823][ T445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.706181][ T445] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.706569][ T445] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.706926][ T445] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 50.707281][ T445] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 50.707649][ T445] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.708012][ T445] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.708376][ T445] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.708740][ T445] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.709098][ T445] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 50.709467][ T445] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.709823][ T445] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.710172][ T445] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.710647][ T445] ___sys_sendmsg (net/socket.c:2670) 
[ 50.711007][ T445] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.711362][ T445] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 50.711812][ T445] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.712171][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.712541][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.712908][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.713258][ T445] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.713637][ T445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.714000][ T445] __sys_sendmsg (net/socket.c:2700) 
[ 50.714354][ T445] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.714813][ T445] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.715178][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.715549][ T445] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.715906][ T445] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.716340][  T445] RIP: 0033:0x7f2c693a31e7
[ 50.716736][ T445] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   50.717970][  T445] RSP: 002b:00007ffd9165c698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.718518][  T445] RAX: ffffffffffffffda RBX: 00007ffd9165cdc0 RCX: 00007f2c693a31e7
[   50.719054][  T445] RDX: 0000000000000000 RSI: 00007ffd9165c700 RDI: 0000000000000005
[   50.719591][  T445] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   50.720113][  T445] R10: 0000000017df6910 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if