======================================
| [   22.711632][  T328] veth1: entered promiscuous mode
| [   22.715396][  T328] ------------[ cut here ]------------
| [ 22.716017][ T328] WARNING: CPU: 0 PID: 328 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) 
| [   22.717215][  T328] Modules linked in: bridge stp llc 8021q vrf veth
[   22.719204][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.719952][ T328] 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) 
[ 22.720553][ T328] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   22.722605][  T328] RSP: 0018:ffffc900006a6ef0 EFLAGS: 00010246
[   22.723139][  T328] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[   22.723717][  T328] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[   22.724255][  T328] RBP: ffffc900006a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.724776][  T328] R10: ffffc900006a7010 R11: ffffffffaaca8918 R12: 1ffff920000d4de2
[   22.725371][  T328] R13: 00000000000005dc R14: ffffc900006a7010 R15: ffff8880095c2f08
[   22.725937][  T328] FS:  00007fd730f5c800(0000) GS:ffff88808a2b7000(0000) knlGS:0000000000000000
[   22.726633][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.727435][  T328] CR2: 00000000004e5aa8 CR3: 000000000c370005 CR4: 0000000000772ef0
[   22.728021][  T328] PKRU: 55555554
[   22.728279][  T328] Call Trace:
[   22.728547][  T328]  <TASK>
[ 22.728717][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.729069][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.729447][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.729787][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.730202][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.730559][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 22.730910][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.731246][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.731731][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.731998][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.732468][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.732862][ T328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.733205][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.733556][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.734009][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.734381][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.734899][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.735254][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.735603][ T328] ? __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) 
[ 22.735948][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.736390][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.736734][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.737058][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.737400][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.737720][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.738052][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.738397][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 22.738733][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.739066][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.739407][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.739810][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.740135][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.740473][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.740804][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.741136][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.741476][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.741804][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.742121][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.742545][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.742904][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.743228][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.743713][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.744181][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.744521][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.744866][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.745182][ T328] ? 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) 
[ 22.745523][ T328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.745855][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.746182][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.746532][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.746887][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.747277][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.747654][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.747998][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.748344][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.748769][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 22.749083][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.749456][ T328] ? __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) 
[ 22.749917][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.750238][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.750571][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.750903][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.751231][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.751560][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.751892][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 22.752216][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.752623][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.752961][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.753287][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.753629][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.754051][  T328] RIP: 0033:0x7fd7311291e7
[ 22.754440][ T328] 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)
[   22.756367][  T328] RSP: 002b:00007ffe8a3fbc28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.757242][  T328] RAX: ffffffffffffffda RBX: 00007ffe8a3fc350 RCX: 00007fd7311291e7
[   22.758109][  T328] RDX: 0000000000000000 RSI: 00007ffe8a3fbc90 RDI: 0000000000000005
[   22.758939][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.759766][  T328] R10: 000000001c4c0910 R11: 0000000000000246 R12: 0000000000000004
[   22.760611][  T328] R13: 00000000686e61c6 R14: 0000000000499600 R15: 0000000000000000
| [   23.172530][  T331] ------------[ cut here ]------------
| [ 23.172919][ T331] WARNING: CPU: 1 PID: 331 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.173544][  T331] Modules linked in: bridge stp llc 8021q vrf veth
| [   23.174602][  T331] Tainted: [W]=WARN
[   23.174852][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.175251][ T331] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.175571][ T331] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.176878][  T331] RSP: 0018:ffffc90000ae6ef0 EFLAGS: 00010246
[   23.177313][  T331] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[   23.178003][  T331] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[   23.178490][  T331] RBP: ffffc90000ae6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.179192][  T331] R10: ffffc90000ae7010 R11: ffffffffaaca8918 R12: 1ffff9200015cde2
[   23.179663][  T331] R13: 00000000000005dc R14: ffffc90000ae7010 R15: ffff8880095c2f08
[   23.180278][  T331] FS:  00007efdc4332800(0000) GS:ffff88808a337000(0000) knlGS:0000000000000000
[   23.180980][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.181384][  T331] CR2: 00000000004e5ab0 CR3: 000000000b93d002 CR4: 0000000000772ef0
[   23.182019][  T331] PKRU: 55555554
[   23.182269][  T331] Call Trace:
[   23.182502][  T331]  <TASK>
[ 23.182667][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.183160][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.183486][ T331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.183993][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.184413][ T331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.185057][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 23.185424][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.185898][ T331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.186353][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.186586][ T331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.187111][ T331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.187486][ T331] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.187815][ T331] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.188149][ T331] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.188547][ T331] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.188889][ T331] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.189221][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.189541][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.189867][ T331] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.190196][ T331] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.190591][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.190931][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.191260][ T331] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.191570][ T331] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.191886][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.192207][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.192508][ T331] ? __create_object (mm/kmemleak.c:771) 
[ 23.192847][ T331] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.193170][ T331] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.193481][ T331] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.193891][ T331] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.194226][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.194550][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.195025][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.195380][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.195688][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.196012][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.196372][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.196679][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.197021][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.197343][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.197658][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.197982][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.198300][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.198617][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.198932][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.199248][ T331] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.199559][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.199875][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.200194][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.200505][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.200861][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.201221][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.201539][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.201858][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.202259][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 23.202561][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.202881][ T331] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.203272][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.203582][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.203970][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.204379][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.204690][ T331] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.205048][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.205374][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 23.205682][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.206086][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.206405][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.206712][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.207036][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.207435][  T331] RIP: 0033:0x7efdc44ff1e7
[ 23.207766][ T331] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.208898][  T331] RSP: 002b:00007fff38d9edd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.209378][  T331] RAX: ffffffffffffffda RBX: 00007fff38d9f500 RCX: 00007efdc44ff1e7
[   23.209852][  T331] RDX: 0000000000000000 RSI: 00007fff38d9ee40 RDI: 0000000000000005
[   23.210322][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.210793][  T331] R10: 000000003889b910 R11: 0000000000000246 R12: 0000000000000004
[   23.211266][  T331] R13: 00000000686e61c6 R14: 0000000000499600 R15: 0000000000000000
| [  113.404403][ T2115] ------------[ cut here ]------------
| [ 113.404726][ T2115] WARNING: CPU: 1 PID: 2115 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) 
| [  113.405389][ T2115] Modules linked in: bridge stp llc 8021q vrf veth
| [  113.406540][ T2115] Tainted: [W]=WARN
[  113.407264][ T2115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.407657][ T2115] 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) 
[ 113.408075][ T2115] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  113.409196][ T2115] RSP: 0018:ffffc90003b16f70 EFLAGS: 00010246
[  113.409582][ T2115] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[  113.410054][ T2115] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  113.410533][ T2115] RBP: ffffc90003b17058 R08: 0000000000000000 R09: 0000000000000000
[  113.411009][ T2115] R10: ffffc90003b17088 R11: ffffffffa6200130 R12: 1ffff92000762df2
[  113.411490][ T2115] R13: 00000000000005dc R14: ffffc90003b17088 R15: ffff8880095c2f08
[  113.411974][ T2115] FS:  00007f6a80979800(0000) GS:ffff88808a337000(0000) knlGS:0000000000000000
[  113.412525][ T2115] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.412949][ T2115] CR2: 00000000004e5ab0 CR3: 0000000009abd004 CR4: 0000000000772ef0
[  113.413407][ T2115] PKRU: 55555554
[  113.413643][ T2115] Call Trace:
[  113.413898][ T2115]  <TASK>
[ 113.414102][ T2115] ? __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) 
[ 113.414500][ T2115] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.414864][ T2115] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 113.415173][ T2115] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.415481][ T2115] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.415791][ T2115] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.416099][ T2115] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.416398][ T2115] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.416702][ T2115] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.417013][ T2115] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.417313][ T2115] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.417628][ T2115] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.418023][ T2115] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.418344][ T2115] netif_set_mtu (net/core/dev.c:9652) 
[ 113.418650][ T2115] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.418995][ T2115] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.419233][ T2115] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.419676][ T2115] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.420025][ T2115] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.420336][ T2115] do_set_master (net/core/rtnetlink.c:2932) 
[ 113.420657][ T2115] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.420981][ T2115] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.421371][ T2115] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.421686][ T2115] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.422020][ T2115] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.422351][ T2115] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.422667][ T2115] ? __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) 
[ 113.422992][ T2115] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.423372][ T2115] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.423676][ T2115] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.424000][ T2115] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.424302][ T2115] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.424609][ T2115] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.424932][ T2115] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.425234][ T2115] ? __create_object (mm/kmemleak.c:771) 
[ 113.425544][ T2115] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.425868][ T2115] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.426185][ T2115] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.426566][ T2115] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.426887][ T2115] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.427196][ T2115] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.427508][ T2115] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.427828][ T2115] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.428130][ T2115] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.428430][ T2115] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.428736][ T2115] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.429052][ T2115] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.429366][ T2115] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.429687][ T2115] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.430031][ T2115] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.430348][ T2115] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.430657][ T2115] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.430991][ T2115] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.431294][ T2115] ? 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) 
[ 113.431599][ T2115] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.431920][ T2115] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.432230][ T2115] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.432563][ T2115] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.432884][ T2115] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.433210][ T2115] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.433518][ T2115] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.433844][ T2115] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.434164][ T2115] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.434563][ T2115] ___sys_sendmsg (net/socket.c:2670) 
[ 113.434876][ T2115] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.435180][ T2115] ? __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) 
[ 113.435560][ T2115] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.435874][ T2115] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.436181][ T2115] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.436490][ T2115] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.436807][ T2115] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.437113][ T2115] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.437425][ T2115] __sys_sendmsg (net/socket.c:2700) 
[ 113.437724][ T2115] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.438117][ T2115] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.438435][ T2115] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.438739][ T2115] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.439061][ T2115] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.439437][ T2115] RIP: 0033:0x7f6a80b461e7
[ 113.439763][ T2115] 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)
[  113.440878][ T2115] RSP: 002b:00007fffa4e1a138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.441344][ T2115] RAX: ffffffffffffffda RBX: 00007fffa4e1a860 RCX: 00007f6a80b461e7
[  113.441817][ T2115] RDX: 0000000000000000 RSI: 00007fffa4e1a1a0 RDI: 0000000000000005
[  113.442275][ T2115] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.442730][ T2115] R10: 00007f6a80a43ee8 R11: 0000000000000246 R12: 0000000000000003
[  113.443229][ T2115] R13: 00000000686e6221 R14: 0000000000499600 R15: 0000000000000000
| [  113.689434][ T2118] ------------[ cut here ]------------
| [ 113.690019][ T2118] WARNING: CPU: 2 PID: 2118 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) 
| [  113.690838][ T2118] Modules linked in: bridge stp llc 8021q vrf veth
| [  113.692241][ T2118] Tainted: [W]=WARN
[  113.692638][ T2118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.693200][ T2118] 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) 
[ 113.693609][ T2118] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  113.694783][ T2118] RSP: 0018:ffffc90003b26f70 EFLAGS: 00010246
[  113.695202][ T2118] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[  113.695706][ T2118] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  113.696217][ T2118] RBP: ffffc90003b27058 R08: 0000000000000000 R09: 0000000000000000
[  113.696706][ T2118] R10: ffffc90003b27088 R11: ffffffffaa379160 R12: 1ffff92000764df2
[  113.697210][ T2118] R13: 00000000000005dc R14: ffffc90003b27088 R15: ffff8880095c2f08
[  113.697705][ T2118] FS:  00007f68796b7800(0000) GS:ffff88808a3b7000(0000) knlGS:0000000000000000
[  113.698289][ T2118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.698705][ T2118] CR2: 00000000004e5aa8 CR3: 000000000bed7003 CR4: 0000000000772ef0
[  113.699210][ T2118] PKRU: 55555554
[  113.699461][ T2118] Call Trace:
[  113.699714][ T2118]  <TASK>
[ 113.699898][ T2118] ? __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) 
[ 113.700315][ T2118] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.700694][ T2118] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 113.701041][ T2118] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.701376][ T2118] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.701706][ T2118] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.702048][ T2118] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.702375][ T2118] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.702708][ T2118] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.703052][ T2118] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.703386][ T2118] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.703716][ T2118] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.704152][ T2118] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.704479][ T2118] netif_set_mtu (net/core/dev.c:9652) 
[ 113.704809][ T2118] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.705142][ T2118] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.705392][ T2118] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.705835][ T2118] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.706187][ T2118] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.706500][ T2118] do_set_master (net/core/rtnetlink.c:2932) 
[ 113.706834][ T2118] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.707154][ T2118] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.707551][ T2118] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.707878][ T2118] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.708196][ T2118] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.708515][ T2118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.708860][ T2118] ? __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) 
[ 113.709177][ T2118] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.709565][ T2118] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.709893][ T2118] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.710210][ T2118] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.710538][ T2118] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.710862][ T2118] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.711178][ T2118] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.711492][ T2118] ? __create_object (mm/kmemleak.c:771) 
[ 113.711817][ T2118] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.712135][ T2118] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.712451][ T2118] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.712856][ T2118] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.713178][ T2118] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.713502][ T2118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.713825][ T2118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.714167][ T2118] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.714481][ T2118] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.714803][ T2118] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.715120][ T2118] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.715440][ T2118] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.715763][ T2118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.716087][ T2118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.716406][ T2118] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.716721][ T2118] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.717047][ T2118] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.717374][ T2118] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.717691][ T2118] ? 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) 
[ 113.718015][ T2118] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.718332][ T2118] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.718644][ T2118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.718972][ T2118] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.719291][ T2118] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.719609][ T2118] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.719941][ T2118] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.720262][ T2118] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.720575][ T2118] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.720986][ T2118] ___sys_sendmsg (net/socket.c:2670) 
[ 113.721297][ T2118] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.721613][ T2118] ? __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) 
[ 113.722014][ T2118] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.722386][ T2118] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.722708][ T2118] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.723051][ T2118] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.723370][ T2118] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.723688][ T2118] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.724044][ T2118] __sys_sendmsg (net/socket.c:2700) 
[ 113.724373][ T2118] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.724792][ T2118] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.725129][ T2118] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.725451][ T2118] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.725777][ T2118] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.726165][ T2118] RIP: 0033:0x7f68798841e7
[ 113.726493][ T2118] 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)
[  113.727629][ T2118] RSP: 002b:00007fff41b22a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.728111][ T2118] RAX: ffffffffffffffda RBX: 00007fff41b23140 RCX: 00007f68798841e7
[  113.728579][ T2118] RDX: 0000000000000000 RSI: 00007fff41b22a80 RDI: 0000000000000005
[  113.729069][ T2118] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.729546][ T2118] R10: 00007f6879781ee8 R11: 0000000000000246 R12: 0000000000000003
[  113.730038][ T2118] R13: 00000000686e6221 R14: 0000000000499600 R15: 0000000000000000
| [  114.837474][ T2136] ------------[ cut here ]------------
| [ 114.837827][ T2136] WARNING: CPU: 3 PID: 2136 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) 
| [  114.838429][ T2136] Modules linked in: bridge stp llc 8021q vrf veth
| [  114.839455][ T2136] Tainted: [W]=WARN
[  114.839686][ T2136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.840073][ T2136] 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) 
[ 114.840385][ T2136] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  114.841481][ T2136] RSP: 0018:ffffc90003b96ef0 EFLAGS: 00010246
[  114.841874][ T2136] RAX: 0000000000000000 RBX: ffff888008d4a000 RCX: 0000000000000001
[  114.842357][ T2136] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  114.843451][ T2136] RBP: ffffc90003b96fe0 R08: 0000000000000000 R09: 0000000000000000
[  114.843933][ T2136] R10: ffffc90003b97010 R11: ffffffffaaca8918 R12: 1ffff92000772de2
[  114.844400][ T2136] R13: 00000000000005dc R14: ffffc90003b97010 R15: ffff888008d4af08
[  114.844880][ T2136] FS:  00007f80ae1c0800(0000) GS:ffff88808a437000(0000) knlGS:0000000000000000
[  114.845410][ T2136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.845826][ T2136] CR2: 00000000004e5aa8 CR3: 00000000109e4004 CR4: 0000000000772ef0
[  114.846290][ T2136] PKRU: 55555554
[  114.846526][ T2136] Call Trace:
[  114.846772][ T2136]  <TASK>
[ 114.846946][ T2136] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.847253][ T2136] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.847570][ T2136] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 114.847891][ T2136] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 114.848287][ T2136] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 114.848595][ T2136] netif_set_mtu (net/core/dev.c:9652) 
[ 114.848912][ T2136] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.849235][ T2136] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 114.849662][ T2136] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.849926][ T2136] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.850350][ T2136] br_add_if (net/bridge/br_if.c:697) bridge 
[ 114.850709][ T2136] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 114.851028][ T2136] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 114.851338][ T2136] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.851727][ T2136] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.852038][ T2136] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.852350][ T2136] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.852701][ T2136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.853037][ T2136] ? __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) 
[ 114.853344][ T2136] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.853726][ T2136] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.854060][ T2136] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.854369][ T2136] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.854678][ T2136] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.854989][ T2136] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.855300][ T2136] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.855602][ T2136] ? __create_object (mm/kmemleak.c:771) 
[ 114.855915][ T2136] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.856221][ T2136] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.856524][ T2136] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.856911][ T2136] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.857222][ T2136] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.857538][ T2136] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.857882][ T2136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.858193][ T2136] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.858506][ T2136] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.858820][ T2136] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.859155][ T2136] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.859461][ T2136] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.859782][ T2136] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.860105][ T2136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.860419][ T2136] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.860725][ T2136] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.861047][ T2136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.861371][ T2136] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.861691][ T2136] ? 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) 
[ 114.862020][ T2136] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 114.862335][ T2136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.862639][ T2136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.862982][ T2136] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.863298][ T2136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.863603][ T2136] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.863922][ T2136] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.864243][ T2136] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.864553][ T2136] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.864953][ T2136] ___sys_sendmsg (net/socket.c:2670) 
[ 114.865257][ T2136] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.865561][ T2136] ? __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) 
[ 114.865950][ T2136] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.866256][ T2136] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.866570][ T2136] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.866888][ T2136] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.867192][ T2136] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.867502][ T2136] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.867823][ T2136] __sys_sendmsg (net/socket.c:2700) 
[ 114.868124][ T2136] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.868503][ T2136] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.868831][ T2136] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.869141][ T2136] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.869457][ T2136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.869844][ T2136] RIP: 0033:0x7f80ae38d1e7
[ 114.870160][ T2136] 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)
[  114.871261][ T2136] RSP: 002b:00007ffe80c16a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.871737][ T2136] RAX: ffffffffffffffda RBX: 00007ffe80c171b0 RCX: 00007f80ae38d1e7
[  114.872205][ T2136] RDX: 0000000000000000 RSI: 00007ffe80c16af0 RDI: 0000000000000005
[  114.872665][ T2136] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  114.873150][ T2136] R10: 0000000020c0d910 R11: 0000000000000246 R12: 0000000000000004
[  114.873611][ T2136] R13: 00000000686e6222 R14: 0000000000499600 R15: 0000000000000000
| [  115.510624][ T2141] ------------[ cut here ]------------
| [ 115.511211][ T2141] WARNING: CPU: 1 PID: 2141 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) 
| [  115.512245][ T2141] Modules linked in: bridge stp llc 8021q vrf veth
| [  115.514173][ T2141] Tainted: [W]=WARN
[  115.514584][ T2141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.515276][ T2141] 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) 
[ 115.515854][ T2141] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  115.517859][ T2141] RSP: 0018:ffffc90003be6ef0 EFLAGS: 00010246
[  115.518553][ T2141] RAX: 0000000000000000 RBX: ffff888008d4a000 RCX: 0000000000000001
[  115.519380][ T2141] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  115.520245][ T2141] RBP: ffffc90003be6fe0 R08: 0000000000000000 R09: 0000000000000000
[  115.521074][ T2141] R10: ffffc90003be7010 R11: ffffffffaaca8918 R12: 1ffff9200077cde2
[  115.521918][ T2141] R13: 00000000000005dc R14: ffffc90003be7010 R15: ffff888008d4af08
[  115.522728][ T2141] FS:  00007ff971749800(0000) GS:ffff88808a337000(0000) knlGS:0000000000000000
[  115.523699][ T2141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.524408][ T2141] CR2: 000055821abf5070 CR3: 000000000f028006 CR4: 0000000000772ef0
[  115.525981][ T2141] PKRU: 55555554
[  115.526386][ T2141] Call Trace:
[  115.526783][ T2141]  <TASK>
[ 115.527066][ T2141] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.527605][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.528190][ T2141] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 115.528737][ T2141] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 115.529416][ T2141] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 115.529990][ T2141] netif_set_mtu (net/core/dev.c:9652) 
[ 115.530509][ T2141] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.531081][ T2141] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 115.531826][ T2141] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.532225][ T2141] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.532958][ T2141] br_add_if (net/bridge/br_if.c:697) bridge 
[ 115.533561][ T2141] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 115.534167][ T2141] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 115.534719][ T2141] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 115.535426][ T2141] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.536004][ T2141] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.536590][ T2141] ? __kernel_text_address (kernel/extable.c:79) 
[ 115.537181][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.537806][ T2141] ? __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) 
[ 115.538339][ T2141] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 115.539028][ T2141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.539610][ T2141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.540190][ T2141] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 115.540777][ T2141] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 115.541341][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.541933][ T2141] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.542490][ T2141] ? __create_object (mm/kmemleak.c:771) 
[ 115.543066][ T2141] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 115.543562][ T2141] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 115.544077][ T2141] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 115.544486][ T2141] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 115.544838][ T2141] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.545159][ T2141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.545461][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.545797][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.546148][ T2141] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.546449][ T2141] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.546766][ T2141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.547079][ T2141] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.547395][ T2141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.547706][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.548028][ T2141] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.548337][ T2141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.548642][ T2141] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.548970][ T2141] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.549274][ T2141] ? 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) 
[ 115.549587][ T2141] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 115.549917][ T2141] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.550229][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.550541][ T2141] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.550865][ T2141] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.551172][ T2141] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.551486][ T2141] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.551814][ T2141] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.552116][ T2141] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.552505][ T2141] ___sys_sendmsg (net/socket.c:2670) 
[ 115.552818][ T2141] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 115.553157][ T2141] ? __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) 
[ 115.553540][ T2141] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.553868][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.554202][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.554513][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.554829][ T2141] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 115.555132][ T2141] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.555444][ T2141] __sys_sendmsg (net/socket.c:2700) 
[ 115.555756][ T2141] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 115.556138][ T2141] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.556467][ T2141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.556781][ T2141] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.557086][ T2141] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.557461][ T2141] RIP: 0033:0x7ff9719161e7
[ 115.557811][ T2141] 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)
[  115.558917][ T2141] RSP: 002b:00007ffc8de23488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.559380][ T2141] RAX: ffffffffffffffda RBX: 00007ffc8de23bb0 RCX: 00007ff9719161e7
[  115.559846][ T2141] RDX: 0000000000000000 RSI: 00007ffc8de234f0 RDI: 0000000000000005
[  115.560303][ T2141] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  115.560775][ T2141] R10: 0000000015e09910 R11: 0000000000000246 R12: 0000000000000004
[  115.561232][ T2141] R13: 00000000686e6223 R14: 0000000000499600 R15: 0000000000000000
| [  202.852734][ T3934] ------------[ cut here ]------------
| [ 202.854526][ T3934] WARNING: CPU: 1 PID: 3934 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  202.855137][ T3934] Modules linked in: bridge stp llc 8021q vrf veth
| [  202.856158][ T3934] Tainted: [W]=WARN
[  202.856390][ T3934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 202.856779][ T3934] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 202.857090][ T3934] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  202.858186][ T3934] RSP: 0018:ffffc90006f36f70 EFLAGS: 00010246
[  202.858570][ T3934] RAX: 0000000000000000 RBX: ffff888008d4a000 RCX: 0000000000000001
[  202.859032][ T3934] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  202.859496][ T3934] RBP: ffffc90006f37058 R08: 0000000000000000 R09: 0000000000000000
[  202.859966][ T3934] R10: ffffc90006f37088 R11: ffffffffaa379160 R12: 1ffff92000de6df2
[  202.860421][ T3934] R13: 00000000000005dc R14: ffffc90006f37088 R15: ffff888008d4af08
[  202.860889][ T3934] FS:  00007f08c700d800(0000) GS:ffff88808a337000(0000) knlGS:0000000000000000
[  202.861418][ T3934] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  202.861814][ T3934] CR2: 00000000004e5ab0 CR3: 00000000059ca005 CR4: 0000000000772ef0
[  202.862275][ T3934] PKRU: 55555554
[  202.862503][ T3934] Call Trace:
[  202.862772][ T3934]  <TASK>
[ 202.862928][ T3934] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 202.863310][ T3934] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 202.863668][ T3934] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 202.863992][ T3934] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 202.864324][ T3934] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 202.864635][ T3934] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 202.864955][ T3934] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 202.865258][ T3934] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 202.865566][ T3934] ? ___sys_sendmsg (net/socket.c:2670) 
[ 202.865883][ T3934] ? __sys_sendmsg (net/socket.c:2700) 
[ 202.866184][ T3934] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 202.866485][ T3934] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 202.866876][ T3934] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.867191][ T3934] netif_set_mtu (net/core/dev.c:9652) 
[ 202.867495][ T3934] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 202.867831][ T3934] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 202.868062][ T3934] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 202.868483][ T3934] br_del_if (net/bridge/br_if.c:743) bridge 
[ 202.868830][ T3934] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 202.869138][ T3934] do_set_master (net/core/rtnetlink.c:2932) 
[ 202.869461][ T3934] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 202.869781][ T3934] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 202.870180][ T3934] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 202.870517][ T3934] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 202.870843][ T3934] ? __kernel_text_address (kernel/extable.c:79) 
[ 202.871152][ T3934] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.871469][ T3934] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 202.871793][ T3934] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 202.872175][ T3934] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 202.872481][ T3934] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 202.872793][ T3934] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 202.873098][ T3934] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 202.873401][ T3934] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.873703][ T3934] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 202.874027][ T3934] ? __create_object (mm/kmemleak.c:771) 
[ 202.874348][ T3934] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 202.874653][ T3934] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 202.874966][ T3934] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 202.875352][ T3934] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 202.875671][ T3934] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 202.875997][ T3934] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 202.876311][ T3934] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.876633][ T3934] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.876946][ T3934] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 202.877251][ T3934] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 202.877558][ T3934] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 202.877882][ T3934] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 202.878187][ T3934] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 202.878507][ T3934] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.878845][ T3934] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 202.879153][ T3934] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 202.879457][ T3934] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 202.879793][ T3934] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 202.880095][ T3934] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 202.880399][ T3934] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 202.880708][ T3934] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 202.881027][ T3934] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.881335][ T3934] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 202.881642][ T3934] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 202.881957][ T3934] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 202.882271][ T3934] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 202.882578][ T3934] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 202.882892][ T3934] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 202.883289][ T3934] ___sys_sendmsg (net/socket.c:2670) 
[ 202.883591][ T3934] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 202.883912][ T3934] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 202.884315][ T3934] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 202.884623][ T3934] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.884945][ T3934] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 202.885256][ T3934] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 202.885564][ T3934] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 202.885929][ T3934] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 202.886243][ T3934] __sys_sendmsg (net/socket.c:2700) 
[ 202.886546][ T3934] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 202.886933][ T3934] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 202.887251][ T3934] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 202.887557][ T3934] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 202.887908][ T3934] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  202.888292][ T3934] RIP: 0033:0x7f08c71da1e7
[ 202.888612][ T3934] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  202.889754][ T3934] RSP: 002b:00007ffea00da618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  202.890223][ T3934] RAX: ffffffffffffffda RBX: 00007ffea00dad40 RCX: 00007f08c71da1e7
[  202.890693][ T3934] RDX: 0000000000000000 RSI: 00007ffea00da680 RDI: 0000000000000005
[  202.891165][ T3934] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  202.891622][ T3934] R10: 00007f08c70d7ee8 R11: 0000000000000246 R12: 0000000000000003
[  202.892082][ T3934] R13: 00000000686e627a R14: 0000000000499600 R15: 0000000000000000
| [  203.123963][ T3936] ------------[ cut here ]------------
| [ 203.124349][ T3936] WARNING: CPU: 2 PID: 3936 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) 
| [  203.124993][ T3936] Modules linked in: bridge stp llc 8021q vrf veth
| [  203.126079][ T3936] Tainted: [W]=WARN
[  203.126323][ T3936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 203.126719][ T3936] 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) 
[ 203.127251][ T3936] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  203.128383][ T3936] RSP: 0018:ffffc90006f56f70 EFLAGS: 00010246
[  203.128799][ T3936] RAX: 0000000000000000 RBX: ffff888008d4a000 RCX: 0000000000000001
[  203.129273][ T3936] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  203.129758][ T3936] RBP: ffffc90006f57058 R08: 0000000000000000 R09: 0000000000000000
[  203.130238][ T3936] R10: ffffc90006f57088 R11: ffffffffaa379160 R12: 1ffff92000deadf2
[  203.130725][ T3936] R13: 00000000000005dc R14: ffffc90006f57088 R15: ffff888008d4af08
[  203.131220][ T3936] FS:  00007f60906a6800(0000) GS:ffff88808a3b7000(0000) knlGS:0000000000000000
[  203.131783][ T3936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  203.132198][ T3936] CR2: 00000000004e5aa8 CR3: 000000000ec3d001 CR4: 0000000000772ef0
[  203.132709][ T3936] PKRU: 55555554
[  203.132964][ T3936] Call Trace:
[  203.133214][ T3936]  <TASK>
[ 203.133386][ T3936] ? __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) 
[ 203.133795][ T3936] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 203.134190][ T3936] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 203.134529][ T3936] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 203.134879][ T3936] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 203.135216][ T3936] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 203.135530][ T3936] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 203.135854][ T3936] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 203.136167][ T3936] ? ___sys_sendmsg (net/socket.c:2670) 
[ 203.136479][ T3936] ? __sys_sendmsg (net/socket.c:2700) 
[ 203.136801][ T3936] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 203.137113][ T3936] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 203.137516][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 203.137851][ T3936] netif_set_mtu (net/core/dev.c:9652) 
[ 203.138169][ T3936] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 203.138513][ T3936] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 203.138772][ T3936] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 203.139221][ T3936] br_del_if (net/bridge/br_if.c:743) bridge 
[ 203.139577][ T3936] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 203.139911][ T3936] do_set_master (net/core/rtnetlink.c:2932) 
[ 203.140240][ T3936] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 203.140566][ T3936] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 203.140984][ T3936] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 203.141313][ T3936] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 203.141630][ T3936] ? __kernel_text_address (kernel/extable.c:79) 
[ 203.141960][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 203.142280][ T3936] ? __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) 
[ 203.142619][ T3936] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 203.143030][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 203.143355][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 203.143678][ T3936] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 203.144011][ T3936] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 203.144345][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 203.144673][ T3936] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 203.145020][ T3936] ? __create_object (mm/kmemleak.c:771) 
[ 203.145339][ T3936] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 203.145680][ T3936] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 203.146016][ T3936] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 203.146419][ T3936] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 203.146762][ T3936] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 203.147088][ T3936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 203.147410][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 203.147752][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 203.148069][ T3936] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 203.148383][ T3936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 203.148700][ T3936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 203.149024][ T3936] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 203.149341][ T3936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 203.149660][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 203.149990][ T3936] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 203.150325][ T3936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 203.150648][ T3936] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 203.150984][ T3936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 203.151297][ T3936] ? 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) 
[ 203.151616][ T3936] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 203.151977][ T3936] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 203.152303][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 203.152632][ T3936] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 203.152991][ T3936] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 203.153325][ T3936] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 203.153661][ T3936] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 203.154008][ T3936] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 203.154350][ T3936] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 203.154770][ T3936] ___sys_sendmsg (net/socket.c:2670) 
[ 203.155089][ T3936] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 203.155404][ T3936] ? __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) 
[ 203.155802][ T3936] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 203.156122][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 203.156462][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 203.156798][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 203.157113][ T3936] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 203.157463][ T3936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 203.157797][ T3936] __sys_sendmsg (net/socket.c:2700) 
[ 203.158140][ T3936] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 203.158551][ T3936] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 203.158923][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 203.159243][ T3936] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 203.159586][ T3936] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  203.160047][ T3936] RIP: 0033:0x7f60908731e7
[ 203.160379][ T3936] 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)
[  203.161499][ T3936] RSP: 002b:00007ffff19a8728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  203.161994][ T3936] RAX: ffffffffffffffda RBX: 00007ffff19a8e50 RCX: 00007f60908731e7
[  203.162505][ T3936] RDX: 0000000000000000 RSI: 00007ffff19a8790 RDI: 0000000000000005
[  203.163005][ T3936] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  203.163469][ T3936] R10: 00007f6090770ee8 R11: 0000000000000246 R12: 0000000000000003
[  203.163942][ T3936] R13: 00000000686e627a R14: 0000000000499600 R15: 0000000000000000
| [  204.165509][ T3954] ------------[ cut here ]------------
| [ 204.165834][ T3954] WARNING: CPU: 0 PID: 3954 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) 
| [  204.166436][ T3954] Modules linked in: bridge stp llc 8021q vrf veth
| [  204.167474][ T3954] Tainted: [W]=WARN
[  204.167706][ T3954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 204.168986][ T3954] 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) 
[ 204.169308][ T3954] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  204.170408][ T3954] RSP: 0018:ffffc90007006ef0 EFLAGS: 00010246
[  204.170815][ T3954] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[  204.171276][ T3954] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  204.171734][ T3954] RBP: ffffc90007006fe0 R08: 0000000000000000 R09: 0000000000000000
[  204.172206][ T3954] R10: ffffc90007007010 R11: ffffffffaaca8918 R12: 1ffff92000e00de2
[  204.172661][ T3954] R13: 00000000000005dc R14: ffffc90007007010 R15: ffff8880095c2f08
[  204.173131][ T3954] FS:  00007fd993dba800(0000) GS:ffff88808a2b7000(0000) knlGS:0000000000000000
[  204.173663][ T3954] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  204.174068][ T3954] CR2: 00000000004e5aa8 CR3: 000000000ba82001 CR4: 0000000000772ef0
[  204.174552][ T3954] PKRU: 55555554
[  204.174800][ T3954] Call Trace:
[  204.175029][ T3954]  <TASK>
[ 204.175186][ T3954] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 204.175495][ T3954] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.175815][ T3954] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 204.176119][ T3954] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 204.176504][ T3954] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 204.176855][ T3954] netif_set_mtu (net/core/dev.c:9652) 
[ 204.177163][ T3954] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 204.177484][ T3954] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 204.177921][ T3954] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 204.178152][ T3954] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 204.178574][ T3954] br_add_if (net/bridge/br_if.c:697) bridge 
[ 204.178948][ T3954] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 204.179258][ T3954] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 204.179566][ T3954] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 204.179970][ T3954] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 204.180275][ T3954] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 204.180584][ T3954] ? __kernel_text_address (kernel/extable.c:79) 
[ 204.180918][ T3954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.181235][ T3954] ? __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) 
[ 204.181545][ T3954] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 204.181936][ T3954] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.182253][ T3954] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.182562][ T3954] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 204.182891][ T3954] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 204.183207][ T3954] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.183518][ T3954] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 204.183833][ T3954] ? __create_object (mm/kmemleak.c:771) 
[ 204.184184][ T3954] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 204.184493][ T3954] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 204.184815][ T3954] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 204.185202][ T3954] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 204.185520][ T3954] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 204.185853][ T3954] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.186167][ T3954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.186484][ T3954] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.186835][ T3954] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 204.187146][ T3954] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.187454][ T3954] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.187772][ T3954] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 204.188084][ T3954] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.188416][ T3954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.188762][ T3954] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 204.189077][ T3954] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.189388][ T3954] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 204.189704][ T3954] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 204.190026][ T3954] ? 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) 
[ 204.190342][ T3954] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 204.190654][ T3954] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 204.190979][ T3954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.191289][ T3954] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 204.191596][ T3954] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 204.191910][ T3954] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 204.192224][ T3954] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 204.192542][ T3954] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 204.192863][ T3954] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 204.193256][ T3954] ___sys_sendmsg (net/socket.c:2670) 
[ 204.193556][ T3954] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 204.193880][ T3954] ? __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) 
[ 204.194298][ T3954] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 204.194605][ T3954] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.194941][ T3954] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.195271][ T3954] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.195576][ T3954] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 204.195894][ T3954] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.196208][ T3954] __sys_sendmsg (net/socket.c:2700) 
[ 204.196509][ T3954] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 204.196902][ T3954] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 204.197228][ T3954] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.197541][ T3954] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 204.197857][ T3954] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  204.198237][ T3954] RIP: 0033:0x7fd993f871e7
[ 204.198552][ T3954] 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)
[  204.199684][ T3954] RSP: 002b:00007ffc9456b4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  204.200164][ T3954] RAX: ffffffffffffffda RBX: 00007ffc9456bbe0 RCX: 00007fd993f871e7
[  204.200620][ T3954] RDX: 0000000000000000 RSI: 00007ffc9456b520 RDI: 0000000000000005
[  204.201089][ T3954] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  204.201554][ T3954] R10: 000000000a8c5910 R11: 0000000000000246 R12: 0000000000000004
[  204.202031][ T3954] R13: 00000000686e627b R14: 0000000000499600 R15: 0000000000000000
| [  204.778694][ T3959] ------------[ cut here ]------------
| [ 204.779015][ T3959] WARNING: CPU: 0 PID: 3959 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) 
| [  204.779626][ T3959] Modules linked in: bridge stp llc 8021q vrf veth
| [  204.780658][ T3959] Tainted: [W]=WARN
[  204.780898][ T3959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 204.781288][ T3959] 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) 
[ 204.781608][ T3959] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  204.782801][ T3959] RSP: 0018:ffffc90007046ef0 EFLAGS: 00010246
[  204.783197][ T3959] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[  204.783663][ T3959] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  204.784192][ T3959] RBP: ffffc90007046fe0 R08: 0000000000000000 R09: 0000000000000000
[  204.784660][ T3959] R10: ffffc90007047010 R11: ffffffffaaca8918 R12: 1ffff92000e08de2
[  204.785123][ T3959] R13: 00000000000005dc R14: ffffc90007047010 R15: ffff8880095c2f08
[  204.785593][ T3959] FS:  00007f062b064800(0000) GS:ffff88808a2b7000(0000) knlGS:0000000000000000
[  204.786139][ T3959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  204.786535][ T3959] CR2: 00000000004e5ab0 CR3: 000000000ba82006 CR4: 0000000000772ef0
[  204.787012][ T3959] PKRU: 55555554
[  204.787254][ T3959] Call Trace:
[  204.787496][ T3959]  <TASK>
[ 204.787661][ T3959] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 204.787982][ T3959] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.788298][ T3959] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 204.788604][ T3959] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 204.789028][ T3959] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 204.789340][ T3959] netif_set_mtu (net/core/dev.c:9652) 
[ 204.789644][ T3959] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 204.789968][ T3959] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 204.790408][ T3959] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 204.790646][ T3959] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 204.791103][ T3959] br_add_if (net/bridge/br_if.c:697) bridge 
[ 204.791476][ T3959] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 204.791796][ T3959] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 204.792109][ T3959] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 204.792505][ T3959] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 204.792830][ T3959] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 204.793145][ T3959] ? __kernel_text_address (kernel/extable.c:79) 
[ 204.793459][ T3959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.793784][ T3959] ? __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) 
[ 204.794117][ T3959] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 204.794620][ T3959] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.794947][ T3959] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.795270][ T3959] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 204.795586][ T3959] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 204.795910][ T3959] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.796242][ T3959] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 204.796549][ T3959] ? __create_object (mm/kmemleak.c:771) 
[ 204.796881][ T3959] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 204.797187][ T3959] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 204.797494][ T3959] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 204.797877][ T3959] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 204.798190][ T3959] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 204.798502][ T3959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.798822][ T3959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.799134][ T3959] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.799440][ T3959] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 204.799753][ T3959] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.800060][ T3959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.800362][ T3959] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 204.800667][ T3959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.800991][ T3959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.801301][ T3959] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 204.801604][ T3959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.801917][ T3959] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 204.802234][ T3959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 204.802541][ T3959] ? 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) 
[ 204.802855][ T3959] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 204.803169][ T3959] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 204.803472][ T3959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.803789][ T3959] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 204.804112][ T3959] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 204.804443][ T3959] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 204.804776][ T3959] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 204.805093][ T3959] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 204.805399][ T3959] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 204.805811][ T3959] ___sys_sendmsg (net/socket.c:2670) 
[ 204.806117][ T3959] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 204.806425][ T3959] ? __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) 
[ 204.806821][ T3959] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 204.807131][ T3959] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.807450][ T3959] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.807773][ T3959] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.808088][ T3959] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 204.808394][ T3959] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.808709][ T3959] __sys_sendmsg (net/socket.c:2700) 
[ 204.809022][ T3959] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 204.809403][ T3959] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 204.809721][ T3959] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.810037][ T3959] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 204.810351][ T3959] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  204.810731][ T3959] RIP: 0033:0x7f062b2311e7
[ 204.811062][ T3959] 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)
[  204.812159][ T3959] RSP: 002b:00007ffcf6feb2c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  204.812625][ T3959] RAX: ffffffffffffffda RBX: 00007ffcf6feb9f0 RCX: 00007f062b2311e7
[  204.813087][ T3959] RDX: 0000000000000000 RSI: 00007ffcf6feb330 RDI: 0000000000000005
[  204.813543][ T3959] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  204.814002][ T3959] R10: 00000000005e6910 R11: 0000000000000246 R12: 0000000000000004
[  204.814473][ T3959] R13: 00000000686e627c R14: 0000000000499600 R15: 0000000000000000
| [  394.362837][ T7809] ------------[ cut here ]------------
| [ 394.363161][ T7809] WARNING: CPU: 3 PID: 7809 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) 
| [  394.363929][ T7809] Modules linked in: bridge stp llc 8021q vrf veth
| [  394.364970][ T7809] Tainted: [W]=WARN
[  394.365209][ T7809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 394.365596][ T7809] 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) 
[ 394.365938][ T7809] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  394.367050][ T7809] RSP: 0018:ffffc90007e66f70 EFLAGS: 00010246
[  394.367441][ T7809] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[  394.367904][ T7809] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  394.368413][ T7809] RBP: ffffc90007e67058 R08: 0000000000000000 R09: 0000000000000000
[  394.368883][ T7809] R10: ffffc90007e67088 R11: ffffffffaa379160 R12: 1ffff92000fccdf2
[  394.369354][ T7809] R13: 00000000000005dc R14: ffffc90007e67088 R15: ffff8880095c2f08
[  394.369824][ T7809] FS:  00007f5be1873800(0000) GS:ffff88808a437000(0000) knlGS:0000000000000000
[  394.370379][ T7809] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  394.370786][ T7809] CR2: 00000000004e5ab0 CR3: 000000000eaa4005 CR4: 0000000000772ef0
[  394.371264][ T7809] PKRU: 55555554
[  394.371494][ T7809] Call Trace:
[  394.371728][ T7809]  <TASK>
[ 394.371901][ T7809] ? __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) 
[ 394.372298][ T7809] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 394.372645][ T7809] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 394.372960][ T7809] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 394.373279][ T7809] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 394.373582][ T7809] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 394.373896][ T7809] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 394.374220][ T7809] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 394.374531][ T7809] ? ___sys_sendmsg (net/socket.c:2670) 
[ 394.374855][ T7809] ? __sys_sendmsg (net/socket.c:2700) 
[ 394.375176][ T7809] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 394.375481][ T7809] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 394.375869][ T7809] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.376195][ T7809] netif_set_mtu (net/core/dev.c:9652) 
[ 394.376500][ T7809] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 394.376835][ T7809] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 394.377070][ T7809] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 394.377613][ T7809] br_del_if (net/bridge/br_if.c:743) bridge 
[ 394.377973][ T7809] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 394.378299][ T7809] do_set_master (net/core/rtnetlink.c:2932) 
[ 394.378606][ T7809] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 394.379096][ T7809] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 394.379692][ T7809] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 394.380197][ T7809] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 394.380710][ T7809] ? __kernel_text_address (kernel/extable.c:79) 
[ 394.381214][ T7809] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.381770][ T7809] ? __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) 
[ 394.382298][ T7809] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 394.382992][ T7809] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.383531][ T7809] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.384060][ T7809] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 394.384594][ T7809] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 394.385146][ T7809] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.385687][ T7809] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 394.386193][ T7809] ? __create_object (mm/kmemleak.c:771) 
[ 394.386777][ T7809] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 394.387332][ T7809] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 394.387903][ T7809] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 394.388573][ T7809] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 394.389133][ T7809] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 394.389689][ T7809] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 394.390251][ T7809] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.390845][ T7809] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.391397][ T7809] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 394.392011][ T7809] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 394.392573][ T7809] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 394.393149][ T7809] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 394.393677][ T7809] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 394.394222][ T7809] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.394589][ T7809] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 394.394919][ T7809] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 394.395225][ T7809] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 394.395551][ T7809] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 394.395877][ T7809] ? 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) 
[ 394.396183][ T7809] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 394.396493][ T7809] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 394.396805][ T7809] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.397117][ T7809] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 394.397432][ T7809] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 394.397763][ T7809] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 394.398082][ T7809] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 394.398399][ T7809] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 394.398703][ T7809] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 394.399127][ T7809] ___sys_sendmsg (net/socket.c:2670) 
[ 394.399437][ T7809] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 394.399753][ T7809] ? __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) 
[ 394.400140][ T7809] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 394.400446][ T7809] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.400775][ T7809] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.401085][ T7809] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.401389][ T7809] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 394.401692][ T7809] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 394.402014][ T7809] __sys_sendmsg (net/socket.c:2700) 
[ 394.402323][ T7809] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 394.402701][ T7809] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 394.403037][ T7809] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.403344][ T7809] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 394.403673][ T7809] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  394.404056][ T7809] RIP: 0033:0x7f5be1a401e7
[ 394.404387][ T7809] 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)
[  394.405501][ T7809] RSP: 002b:00007ffd6d31c138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  394.405969][ T7809] RAX: ffffffffffffffda RBX: 00007ffd6d31c860 RCX: 00007f5be1a401e7
[  394.406434][ T7809] RDX: 0000000000000000 RSI: 00007ffd6d31c1a0 RDI: 0000000000000005
[  394.406915][ T7809] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  394.407384][ T7809] R10: 00007f5be193dee8 R11: 0000000000000246 R12: 0000000000000003
[  394.407848][ T7809] R13: 00000000686e6339 R14: 0000000000499600 R15: 0000000000000000
| [  394.642122][ T7811] ------------[ cut here ]------------
| [ 394.642440][ T7811] WARNING: CPU: 0 PID: 7811 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) 
| [  394.643379][ T7811] Modules linked in: bridge stp llc 8021q vrf veth
| [  394.644456][ T7811] Tainted: [W]=WARN
[  394.644687][ T7811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 394.645077][ T7811] 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) 
[ 394.645392][ T7811] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  394.646503][ T7811] RSP: 0018:ffffc90007e66f70 EFLAGS: 00010246
[  394.646897][ T7811] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[  394.647352][ T7811] RDX: 0000000000000000 RSI: ffffffffa9e9b939 RDI: ffffffffa96555e0
[  394.647814][ T7811] RBP: ffffc90007e67058 R08: 0000000000000000 R09: 0000000000000000
[  394.648272][ T7811] R10: ffffc90007e67088 R11: ffffffffaa379160 R12: 1ffff92000fccdf2
[  394.648780][ T7811] R13: 00000000000005dc R14: ffffc90007e67088 R15: ffff8880095c2f08
[  394.649240][ T7811] FS:  00007ff206d43800(0000) GS:ffff88808a2b7000(0000) knlGS:0000000000000000
[  394.649794][ T7811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  394.650179][ T7811] CR2: 00000000004e5aa8 CR3: 0000000005a61002 CR4: 0000000000772ef0
[  394.650642][ T7811] PKRU: 55555554
[  394.650881][ T7811] Call Trace:
[  394.651111][ T7811]  <TASK>
[ 394.651264][ T7811] ? __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) 
[ 394.651651][ T7811] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 394.652007][ T7811] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 394.652333][ T7811] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 394.652650][ T7811] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 394.652973][ T7811] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 394.653283][ T7811] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 394.653592][ T7811] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 394.653904][ T7811] ? ___sys_sendmsg (net/socket.c:2670) 
[ 394.654205][ T7811] ? __sys_sendmsg (net/socket.c:2700) 
[ 394.654517][ T7811] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 394.654831][ T7811] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 394.655207][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.655528][ T7811] netif_set_mtu (net/core/dev.c:9652) 
[ 394.655843][ T7811] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 394.656162][ T7811] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 394.656426][ T7811] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 394.656858][ T7811] br_del_if (net/bridge/br_if.c:743) bridge 
[ 394.657198][ T7811] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 394.657505][ T7811] do_set_master (net/core/rtnetlink.c:2932) 
[ 394.657844][ T7811] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 394.658154][ T7811] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 394.658539][ T7811] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 394.658852][ T7811] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 394.659157][ T7811] ? __kernel_text_address (kernel/extable.c:79) 
[ 394.659464][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.659780][ T7811] ? __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) 
[ 394.660092][ T7811] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 394.660502][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.660829][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.661134][ T7811] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 394.661437][ T7811] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 394.661763][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.662069][ T7811] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 394.662370][ T7811] ? __create_object (mm/kmemleak.c:771) 
[ 394.662688][ T7811] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 394.662999][ T7811] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 394.663309][ T7811] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 394.663685][ T7811] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 394.664002][ T7811] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 394.664358][ T7811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 394.664664][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.665010][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.665316][ T7811] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 394.665618][ T7811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 394.665944][ T7811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 394.666249][ T7811] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 394.666555][ T7811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 394.666872][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.667189][ T7811] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 394.667502][ T7811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 394.667816][ T7811] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 394.668130][ T7811] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 394.668465][ T7811] ? 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) 
[ 394.668783][ T7811] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 394.669091][ T7811] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 394.669394][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.669709][ T7811] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 394.670036][ T7811] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 394.670342][ T7811] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 394.670653][ T7811] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 394.670968][ T7811] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 394.671270][ T7811] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 394.671659][ T7811] ___sys_sendmsg (net/socket.c:2670) 
[ 394.671973][ T7811] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 394.672275][ T7811] ? __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) 
[ 394.672682][ T7811] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 394.673004][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.673312][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 394.673620][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 394.673943][ T7811] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 394.674255][ T7811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 394.674580][ T7811] __sys_sendmsg (net/socket.c:2700) 
[ 394.674892][ T7811] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 394.675270][ T7811] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 394.675586][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 394.675902][ T7811] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 394.676209][ T7811] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  394.676624][ T7811] RIP: 0033:0x7ff206f101e7
[ 394.676951][ T7811] 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)
[  394.678053][ T7811] RSP: 002b:00007ffc6335dba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  394.678515][ T7811] RAX: ffffffffffffffda RBX: 00007ffc6335e2d0 RCX: 00007ff206f101e7
[  394.678987][ T7811] RDX: 0000000000000000 RSI: 00007ffc6335dc10 RDI: 0000000000000005
[  394.679442][ T7811] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  394.679901][ T7811] R10: 00007ff206e0dee8 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