======================================
| [   19.847873][  T317] veth1: entered promiscuous mode
| [   19.849386][  T317] ------------[ cut here ]------------
| [ 19.849761][ T317] WARNING: CPU: 0 PID: 317 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) 
| [   19.850411][  T317] Modules linked in: bridge stp llc 8021q vrf veth
[   19.851500][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.851930][ T317] 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) 
[ 19.852273][ T317] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   19.853650][  T317] RSP: 0018:ffffc90000526ef0 EFLAGS: 00010246
[   19.854066][  T317] RAX: 0000000000000000 RBX: ffff88800996a000 RCX: 0000000000000001
[   19.854572][  T317] RDX: 0000000000000000 RSI: ffffffff9189b941 RDI: ffffffff910555e0
[   19.855067][  T317] RBP: ffffc90000526fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.855567][  T317] R10: ffffc90000527010 R11: ffffffff926a8918 R12: 1ffff920000a4de2
[   19.856061][  T317] R13: 00000000000005dc R14: ffffc90000527010 R15: ffff88800996af08
[   19.856563][  T317] FS:  00007f4925ccb800(0000) GS:ffff8880a28b7000(0000) knlGS:0000000000000000
[   19.857139][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.857575][  T317] CR2: 00000000004e5aa8 CR3: 0000000004c17005 CR4: 0000000000772ef0
[   19.858072][  T317] PKRU: 55555554
[   19.858320][  T317] Call Trace:
[   19.858575][  T317]  <TASK>
[ 19.858759][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.859091][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.859421][ T317] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.859754][ T317] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.860163][ T317] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.860490][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 19.860823][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.861161][ T317] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.861620][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.861866][ T317] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.862309][ T317] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.862688][ T317] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.863015][ T317] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.863341][ T317] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.863771][ T317] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.864093][ T317] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.864412][ T317] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.864744][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.865069][ T317] ? __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) 
[ 19.865392][ T317] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.865804][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.866132][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.866450][ T317] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.866780][ T317] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.867103][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.867426][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.867767][ T317] ? __create_object (mm/kmemleak.c:771) 
[ 19.868093][ T317] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.868416][ T317] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.868760][ T317] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.869161][ T317] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.869491][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.869824][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.870146][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.870473][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.870807][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.871132][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.871457][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.871786][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.872114][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.872444][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.872785][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.873110][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.873448][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.873799][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.874126][ T317] ? 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) 
[ 19.874452][ T317] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.874789][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.875115][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.875449][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.875789][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.876121][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.876453][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.876793][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.877118][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.877531][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 19.877864][ T317] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.878194][ T317] ? __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) 
[ 19.878607][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.878942][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.879272][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.879612][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.879938][ T317] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.880261][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.880609][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 19.880932][ T317] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.881333][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.881685][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.882012][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.882333][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.882755][  T317] RIP: 0033:0x7f4925e981e7
[ 19.883091][ T317] 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)
[   19.884287][  T317] RSP: 002b:00007ffcf73a82d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.884803][  T317] RAX: ffffffffffffffda RBX: 00007ffcf73a8a00 RCX: 00007f4925e981e7
[   19.885293][  T317] RDX: 0000000000000000 RSI: 00007ffcf73a8340 RDI: 0000000000000005
[   19.885792][  T317] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.886286][  T317] R10: 0000000009a4a910 R11: 0000000000000246 R12: 0000000000000004
[   19.886790][  T317] R13: 00000000686e4bf7 R14: 0000000000499600 R15: 0000000000000000
| [   20.030457][  T318] ------------[ cut here ]------------
| [ 20.030788][ T318] WARNING: CPU: 1 PID: 318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.031433][  T318] Modules linked in: bridge stp llc 8021q vrf veth
| [   20.032521][  T318] Tainted: [W]=WARN
[   20.032794][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.033196][ T318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.033568][ T318] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   20.034728][  T318] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   20.035133][  T318] RAX: 0000000000000000 RBX: ffff88800996a000 RCX: 0000000000000001
[   20.035635][  T318] RDX: 0000000000000000 RSI: ffffffff9189b941 RDI: ffffffff910555e0
[   20.036117][  T318] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.036620][  T318] R10: ffffc90000597010 R11: ffffffff926a8918 R12: 1ffff920000b2de2
[   20.037107][  T318] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800996af08
[   20.037724][  T318] FS:  00007f43b7c62800(0000) GS:ffff8880a2937000(0000) knlGS:0000000000000000
[   20.038297][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.038711][  T318] CR2: 00000000004e5ab0 CR3: 000000000a180003 CR4: 0000000000772ef0
[   20.039196][  T318] PKRU: 55555554
[   20.039449][  T318] Call Trace:
[   20.039700][  T318]  <TASK>
[ 20.039868][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.040191][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.040531][ T318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.040861][ T318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.041264][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.041615][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.041943][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.042285][ T318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.042762][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.043008][ T318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.043468][ T318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.043851][ T318] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.044183][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.044591][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.045002][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.045337][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.045672][ T318] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.046002][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.046339][ T318] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.046676][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.047077][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.047413][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.047743][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.048063][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.048402][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.048734][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.049059][ T318] ? __create_object (mm/kmemleak.c:771) 
[ 20.049390][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.049727][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.050051][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.050458][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.050796][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.051123][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.051460][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.051803][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.052126][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.052456][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.052791][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.053109][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.053454][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.053796][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.054123][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.054459][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.054795][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.055127][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.055463][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.055798][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.056123][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.056460][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.056797][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.057124][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.057457][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.057799][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.058134][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.058459][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.058880][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.059209][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.059537][ T318] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.059952][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.060287][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.060624][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.060949][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.061278][ T318] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.061626][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.061957][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.062287][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.062701][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.063035][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.063368][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.063716][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.064121][  T318] RIP: 0033:0x7f43b7e2f1e7
[ 20.064481][ T318] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.065643][  T318] RSP: 002b:00007ffe1c23f008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.066135][  T318] RAX: ffffffffffffffda RBX: 00007ffe1c23f730 RCX: 00007f43b7e2f1e7
[   20.066630][  T318] RDX: 0000000000000000 RSI: 00007ffe1c23f070 RDI: 0000000000000005
[   20.067115][  T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.067603][  T318] R10: 000000000f084910 R11: 0000000000000246 R12: 0000000000000004
[   20.068093][  T318] R13: 00000000686e4bf7 R14: 0000000000499600 R15: 0000000000000000
| [   30.957460][  T381] ------------[ cut here ]------------
| [ 30.957811][ T381] WARNING: CPU: 1 PID: 381 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) 
| [   30.958431][  T381] Modules linked in: bridge stp llc 8021q vrf veth
| [   30.959880][  T381] Tainted: [W]=WARN
[   30.960118][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.960532][ T381] 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) 
[ 30.960884][ T381] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   30.962100][  T381] RSP: 0018:ffffc900008b6f70 EFLAGS: 00010246
[   30.962505][  T381] RAX: 0000000000000000 RBX: ffff88800996a000 RCX: 0000000000000001
[   30.963021][  T381] RDX: 0000000000000000 RSI: ffffffff9189b941 RDI: ffffffff910555e0
[   30.963511][  T381] RBP: ffffc900008b7058 R08: 0000000000000000 R09: 0000000000000000
[   30.963993][  T381] R10: ffffc900008b7088 R11: ffffffff8dc00130 R12: 1ffff92000116df2
[   30.964489][  T381] R13: 00000000000005dc R14: ffffc900008b7088 R15: ffff88800996af08
[   30.964953][  T381] FS:  00007f7fa637d800(0000) GS:ffff8880a2937000(0000) knlGS:0000000000000000
[   30.965507][  T381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.965913][  T381] CR2: 00000000004e5ab0 CR3: 0000000009731006 CR4: 0000000000772ef0
[   30.966384][  T381] PKRU: 55555554
[   30.966632][  T381] Call Trace:
[   30.966861][  T381]  <TASK>
[ 30.967015][ T381] ? __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) 
[ 30.967399][ T381] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 30.967768][ T381] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 30.968072][ T381] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.968378][ T381] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.968689][ T381] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.968996][ T381] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.969310][ T381] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.969641][ T381] ? ___sys_sendmsg (net/socket.c:2670) 
[ 30.969961][ T381] ? __sys_sendmsg (net/socket.c:2700) 
[ 30.970277][ T381] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.970606][ T381] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 30.970988][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.971300][ T381] netif_set_mtu (net/core/dev.c:9652) 
[ 30.971614][ T381] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.971936][ T381] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.972203][ T381] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.972643][ T381] br_del_if (net/bridge/br_if.c:743) bridge 
[ 30.973002][ T381] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 30.973322][ T381] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 30.973653][ T381] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.973965][ T381] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.974351][ T381] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.974679][ T381] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.975035][ T381] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.975367][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.975699][ T381] ? __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) 
[ 30.976009][ T381] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.976385][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.976718][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.977024][ T381] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.977338][ T381] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.977668][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.977976][ T381] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.978291][ T381] ? __create_object (mm/kmemleak.c:771) 
[ 30.978620][ T381] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.978928][ T381] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.979262][ T381] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.979649][ T381] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.979964][ T381] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.980276][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.980587][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.980898][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.981206][ T381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.981507][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.981822][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.982129][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.982438][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.982764][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.983080][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.983387][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.983719][ T381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.984034][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.984338][ T381] ? 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) 
[ 30.984654][ T381] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.984962][ T381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.985266][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.985585][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.985893][ T381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.986197][ T381] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.986516][ T381] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.986880][ T381] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.987197][ T381] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.987593][ T381] ___sys_sendmsg (net/socket.c:2670) 
[ 30.987902][ T381] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.988204][ T381] ? __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) 
[ 30.988622][ T381] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.988930][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.989246][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.989570][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.989912][ T381] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.990231][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.990566][ T381] __sys_sendmsg (net/socket.c:2700) 
[ 30.990872][ T381] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.991272][ T381] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.991597][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.991927][ T381] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.992240][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.992637][  T381] RIP: 0033:0x7f7fa654a1e7
[ 30.992955][ T381] 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)
[   30.994099][  T381] RSP: 002b:00007ffd46621c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.994601][  T381] RAX: ffffffffffffffda RBX: 00007ffd466223b0 RCX: 00007f7fa654a1e7
[   30.995100][  T381] RDX: 0000000000000000 RSI: 00007ffd46621cf0 RDI: 0000000000000005
[   30.995565][  T381] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   30.996032][  T381] R10: 00007f7fa6447ee8 R11: 0000000000000246 R12: 0000000000000003
[   30.996536][  T381] R13: 00000000686e4c02 R14: 0000000000499600 R15: 0000000000000000
| [   31.126713][  T382] ------------[ cut here ]------------
| [ 31.127074][ T382] WARNING: CPU: 2 PID: 382 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) 
| [   31.128045][  T382] Modules linked in: bridge stp llc 8021q vrf veth
| [   31.129125][  T382] Tainted: [W]=WARN
[   31.129370][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.129775][ T382] 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) 
[ 31.130102][ T382] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   31.131231][  T382] RSP: 0018:ffffc900008c6f70 EFLAGS: 00010246
[   31.131641][  T382] RAX: 0000000000000000 RBX: ffff88800996a000 RCX: 0000000000000001
[   31.132111][  T382] RDX: 0000000000000000 RSI: ffffffff9189b941 RDI: ffffffff910555e0
[   31.132597][  T382] RBP: ffffc900008c7058 R08: 0000000000000000 R09: 0000000000000000
[   31.133065][  T382] R10: ffffc900008c7088 R11: ffffffff91d79160 R12: 1ffff92000118df2
[   31.133693][  T382] R13: 00000000000005dc R14: ffffc900008c7088 R15: ffff88800996af08
[   31.134168][  T382] FS:  00007f67aa439800(0000) GS:ffff8880a29b7000(0000) knlGS:0000000000000000
[   31.134726][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.135121][  T382] CR2: 00000000004e5aa8 CR3: 000000000c3da004 CR4: 0000000000772ef0
[   31.135603][  T382] PKRU: 55555554
[   31.135853][  T382] Call Trace:
[   31.136092][  T382]  <TASK>
[ 31.136256][ T382] ? __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) 
[ 31.136666][ T382] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 31.137038][ T382] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 31.137361][ T382] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.137691][ T382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.138012][ T382] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.138332][ T382] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.138659][ T382] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.138979][ T382] ? ___sys_sendmsg (net/socket.c:2670) 
[ 31.139312][ T382] ? __sys_sendmsg (net/socket.c:2700) 
[ 31.139638][ T382] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.139959][ T382] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 31.140351][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.140692][ T382] netif_set_mtu (net/core/dev.c:9652) 
[ 31.141011][ T382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.141347][ T382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.141603][ T382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.142049][ T382] br_del_if (net/bridge/br_if.c:743) bridge 
[ 31.142401][ T382] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 31.142728][ T382] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 31.143049][ T382] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.143372][ T382] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.143794][ T382] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.144118][ T382] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.144440][ T382] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.144774][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.145095][ T382] ? __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) 
[ 31.145419][ T382] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.145822][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.146143][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.146458][ T382] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.146794][ T382] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.147114][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.147437][ T382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.147763][ T382] ? __create_object (mm/kmemleak.c:771) 
[ 31.148082][ T382] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.148405][ T382] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.148734][ T382] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.149140][ T382] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.149464][ T382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.149802][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.150121][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.150449][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.150774][ T382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.151125][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.151458][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.151796][ T382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.152113][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.152432][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.152766][ T382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.153085][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.153403][ T382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.153750][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.154075][ T382] ? 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) 
[ 31.154396][ T382] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.154724][ T382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.155042][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.155367][ T382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.155707][ T382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.156025][ T382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.156353][ T382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.156697][ T382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.157018][ T382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.157420][ T382] ___sys_sendmsg (net/socket.c:2670) 
[ 31.157746][ T382] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.158063][ T382] ? __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) 
[ 31.158459][ T382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.158797][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.159126][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.159453][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.159784][ T382] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.160107][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.160439][ T382] __sys_sendmsg (net/socket.c:2700) 
[ 31.160766][ T382] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.161163][ T382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.161499][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.161831][ T382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.162154][ T382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.162553][  T382] RIP: 0033:0x7f67aa6061e7
[ 31.162881][ T382] 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)
[   31.163997][  T382] RSP: 002b:00007ffe180b5f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.164473][  T382] RAX: ffffffffffffffda RBX: 00007ffe180b6660 RCX: 00007f67aa6061e7
[   31.164957][  T382] RDX: 0000000000000000 RSI: 00007ffe180b5fa0 RDI: 0000000000000005
[   31.165431][  T382] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   31.165920][  T382] R10: 00007f67aa503ee8 R11: 0000000000000246 R12: 0000000000000003
[   31.166387][  T382] R13: 00000000686e4c02 R14: 0000000000499600 R15: 0000000000000000
| [   33.379595][  T384] ------------[ cut here ]------------
| [ 33.379910][ T384] WARNING: CPU: 0 PID: 384 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.380509][  T384] Modules linked in: bridge stp llc 8021q vrf veth
| [   33.382515][  T384] Tainted: [W]=WARN
[   33.382753][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.383132][ T384] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.383492][ T384] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.384604][  T384] RSP: 0018:ffffc900008e6ef0 EFLAGS: 00010246
[   33.385157][  T384] RAX: 0000000000000000 RBX: ffff88800996a000 RCX: 0000000000000001
[   33.385936][  T384] RDX: 0000000000000000 RSI: ffffffff9189b941 RDI: ffffffff910555e0
[   33.386744][  T384] RBP: ffffc900008e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.387568][  T384] R10: ffffc900008e7010 R11: ffffffff926a8918 R12: 1ffff9200011cde2
[   33.388379][  T384] R13: 00000000000005dc R14: ffffc900008e7010 R15: ffff88800996af08
[   33.389205][  T384] FS:  00007fc4fd526800(0000) GS:ffff8880a28b7000(0000) knlGS:0000000000000000
[   33.390165][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.390868][  T384] CR2: 00000000004e5aa8 CR3: 000000000e359005 CR4: 0000000000772ef0
[   33.391663][  T384] PKRU: 55555554
[   33.391955][  T384] Call Trace:
[   33.392191][  T384]  <TASK>
[ 33.392367][ T384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.392694][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.393007][ T384] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.393337][ T384] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.393739][ T384] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.394087][ T384] netif_set_mtu (net/core/dev.c:9652) 
[ 33.394412][ T384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.394739][ T384] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.395168][ T384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.395431][ T384] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.395880][ T384] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.396233][ T384] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.396657][ T384] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.396968][ T384] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.397368][ T384] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.397682][ T384] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.397993][ T384] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.398310][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.398630][ T384] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.398938][ T384] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.399345][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.399664][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.399969][ T384] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.400295][ T384] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.400614][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.400927][ T384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.401231][ T384] ? __create_object (mm/kmemleak.c:771) 
[ 33.401564][ T384] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.401872][ T384] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.402179][ T384] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.402580][ T384] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.402902][ T384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.403216][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.403581][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.403892][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.404196][ T384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.404566][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.404873][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.405174][ T384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.405495][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.405811][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.406119][ T384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.406435][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.406750][ T384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.407064][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.407395][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.407718][ T384] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.408027][ T384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.408348][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.408668][ T384] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.408975][ T384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.409293][ T384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.409616][ T384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.409933][ T384] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.410235][ T384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.410646][ T384] ___sys_sendmsg (net/socket.c:2670) 
[ 33.410953][ T384] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.411257][ T384] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.411679][ T384] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.411991][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.412328][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.412652][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.412958][ T384] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.413262][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.413603][ T384] __sys_sendmsg (net/socket.c:2700) 
[ 33.413906][ T384] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.414285][ T384] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.414614][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.414921][ T384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.415228][ T384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.415650][  T384] RIP: 0033:0x7fc4fd6f31e7
[ 33.415970][ T384] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.417071][  T384] RSP: 002b:00007ffd9e2390e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.417531][  T384] RAX: ffffffffffffffda RBX: 00007ffd9e239810 RCX: 00007fc4fd6f31e7
[   33.417996][  T384] RDX: 0000000000000000 RSI: 00007ffd9e239150 RDI: 0000000000000005
[   33.418452][  T384] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.418930][  T384] R10: 0000000001a0f910 R11: 0000000000000246 R12: 0000000000000004
[   33.419412][  T384] R13: 00000000686e4c05 R14: 0000000000499600 R15: 0000000000000000
| [   33.548382][  T385] ------------[ cut here ]------------
| [ 33.548721][ T385] WARNING: CPU: 2 PID: 385 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.549334][  T385] Modules linked in: bridge stp llc 8021q vrf veth
| [   33.550430][  T385] Tainted: [W]=WARN
[   33.550684][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.551076][ T385] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.551405][ T385] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.552556][  T385] RSP: 0018:ffffc900008f6ef0 EFLAGS: 00010246
[   33.552965][  T385] RAX: 0000000000000000 RBX: ffff88800996a000 RCX: 0000000000000001
[   33.553460][  T385] RDX: 0000000000000000 RSI: ffffffff9189b941 RDI: ffffffff910555e0
[   33.553961][  T385] RBP: ffffc900008f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.554443][  T385] R10: ffffc900008f7010 R11: ffffffff926a8918 R12: 1ffff9200011ede2
[   33.554931][  T385] R13: 00000000000005dc R14: ffffc900008f7010 R15: ffff88800996af08
[   33.555395][  T385] FS:  00007f7c9d1c9800(0000) GS:ffff8880a29b7000(0000) knlGS:0000000000000000
[   33.555969][  T385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.556392][  T385] CR2: 00000000004e5ab0 CR3: 00000000058e0006 CR4: 0000000000772ef0
[   33.556899][  T385] PKRU: 55555554
[   33.557142][  T385] Call Trace:
[   33.557405][  T385]  <TASK>
[ 33.557591][ T385] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.557915][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.558265][ T385] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.558597][ T385] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.558990][ T385] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.559314][ T385] netif_set_mtu (net/core/dev.c:9652) 
[ 33.559641][ T385] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.559968][ T385] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.560408][ T385] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.560661][ T385] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.561097][ T385] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.561464][ T385] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.561797][ T385] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.562118][ T385] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.562513][ T385] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.562842][ T385] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.563158][ T385] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.563504][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.563840][ T385] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.564157][ T385] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.564560][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.564879][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.565194][ T385] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.565509][ T385] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.565843][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.566163][ T385] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.566477][ T385] ? __create_object (mm/kmemleak.c:771) 
[ 33.566808][ T385] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.567124][ T385] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.567441][ T385] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.567841][ T385] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.568168][ T385] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.568489][ T385] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.568814][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.569220][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.569552][ T385] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.569865][ T385] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.570201][ T385] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.570518][ T385] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.570874][ T385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.571199][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.571527][ T385] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.571857][ T385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.572176][ T385] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.572506][ T385] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.572833][ T385] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.573166][ T385] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.573500][ T385] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.573827][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.574152][ T385] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.574472][ T385] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.574801][ T385] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.575124][ T385] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.575447][ T385] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.575782][ T385] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.576185][ T385] ___sys_sendmsg (net/socket.c:2670) 
[ 33.576498][ T385] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.576825][ T385] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.577223][ T385] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.577561][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.577890][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.578219][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.578561][ T385] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.578892][ T385] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.579229][ T385] __sys_sendmsg (net/socket.c:2700) 
[ 33.579566][ T385] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.579971][ T385] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.580308][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.580647][ T385] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.580973][ T385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.581369][  T385] RIP: 0033:0x7f7c9d3961e7
[ 33.581727][ T385] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.582879][  T385] RSP: 002b:00007ffed8a8e178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.583353][  T385] RAX: ffffffffffffffda RBX: 00007ffed8a8e8a0 RCX: 00007f7c9d3961e7
[   33.583852][  T385] RDX: 0000000000000000 RSI: 00007ffed8a8e1e0 RDI: 0000000000000005
[   33.584347][  T385] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.584838][  T385] R10: 000000003c4fc910 R11: 0000000000000246 R12: 0000000000000004
[   33.585307][  T385] R13: 00000000686e4c05 R14: 0000000000499600 R15: 0000000000000000
| [   37.758033][  T430] ------------[ cut here ]------------
| [ 37.758354][ T430] WARNING: CPU: 3 PID: 430 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) 
| [   37.758975][  T430] Modules linked in: bridge stp llc 8021q vrf veth
| [   37.760020][  T430] Tainted: [W]=WARN
[   37.760257][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.761211][ T430] 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) 
[ 37.761532][ T430] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   37.762651][  T430] RSP: 0018:ffffc90000ba6f70 EFLAGS: 00010246
[   37.763039][  T430] RAX: 0000000000000000 RBX: ffff88800996a000 RCX: 0000000000000001
[   37.763504][  T430] RDX: 0000000000000000 RSI: ffffffff9189b941 RDI: ffffffff910555e0
[   37.763981][  T430] RBP: ffffc90000ba7058 R08: 0000000000000000 R09: 0000000000000000
[   37.764449][  T430] R10: ffffc90000ba7088 R11: ffffffff91d79160 R12: 1ffff92000174df2
[   37.764916][  T430] R13: 00000000000005dc R14: ffffc90000ba7088 R15: ffff88800996af08
[   37.765375][  T430] FS:  00007f9294016800(0000) GS:ffff8880a2a37000(0000) knlGS:0000000000000000
[   37.765921][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.766305][  T430] CR2: 00000000004e5ab0 CR3: 000000000a89e006 CR4: 0000000000772ef0
[   37.766782][  T430] PKRU: 55555554
[   37.767012][  T430] Call Trace:
[   37.767242][  T430]  <TASK>
[ 37.767398][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.767800][ T430] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 37.768150][ T430] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 37.768456][ T430] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.768774][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.769083][ T430] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.769387][ T430] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.769697][ T430] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.770004][ T430] ? ___sys_sendmsg (net/socket.c:2670) 
[ 37.770306][ T430] ? __sys_sendmsg (net/socket.c:2700) 
[ 37.770614][ T430] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.770917][ T430] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 37.771303][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.771641][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 37.771953][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.772273][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.772505][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.772946][ T430] br_del_if (net/bridge/br_if.c:743) bridge 
[ 37.773289][ T430] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 37.773615][ T430] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 37.773927][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.774236][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.774630][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.774933][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.775235][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.775565][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.775883][ T430] ? __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) 
[ 37.776194][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.776599][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.776907][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.777210][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.777515][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.777830][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.778133][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.778433][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 37.778753][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.779060][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.779364][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.779760][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.780079][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.780386][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.780697][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.781012][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.781316][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.781631][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.781936][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.782237][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.782552][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.782862][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.783169][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.783487][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.783812][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.784127][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.784431][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.784746][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.785053][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.785356][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.785681][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.785997][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.786300][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.786616][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.786923][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.787225][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.787630][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 37.787940][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.788240][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.788623][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.788930][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.789236][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.789556][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.789863][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.790170][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.790481][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 37.790789][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.791166][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.791481][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.791800][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.792113][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.792492][  T430] RIP: 0033:0x7f92941e31e7
[ 37.792812][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.793909][  T430] RSP: 002b:00007ffd7f5af788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.794368][  T430] RAX: ffffffffffffffda RBX: 00007ffd7f5afeb0 RCX: 00007f92941e31e7
[   37.794835][  T430] RDX: 0000000000000000 RSI: 00007ffd7f5af7f0 RDI: 0000000000000005
[   37.795291][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.795761][  T430] R10: 00007f92940e0ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.796224][  T430] R13: 00000000686e4c09 R14: 0000000000499600 R15: 0000000000000000
| [   37.919245][  T431] ------------[ cut here ]------------
| [ 37.919804][ T431] WARNING: CPU: 0 PID: 431 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) 
| [   37.920403][  T431] Modules linked in: bridge stp llc 8021q vrf veth
| [   37.921429][  T431] Tainted: [W]=WARN
[   37.921668][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.922049][ T431] 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) 
[ 37.922360][ T431] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   37.923464][  T431] RSP: 0018:ffffc90000bb6f70 EFLAGS: 00010246
[   37.923859][  T431] RAX: 0000000000000000 RBX: ffff88800996a000 RCX: 0000000000000001
[   37.924315][  T431] RDX: 0000000000000000 RSI: ffffffff9189b941 RDI: ffffffff910555e0
[   37.924777][  T431] RBP: ffffc90000bb7058 R08: 0000000000000000 R09: 0000000000000000
[   37.925250][  T431] R10: ffffc90000bb7088 R11: ffffffff91d79160 R12: 1ffff92000176df2
[   37.925713][  T431] R13: 00000000000005dc R14: ffffc90000bb7088 R15: ffff88800996af08
[   37.926167][  T431] FS:  00007f9925c13800(0000) GS:ffff8880a28b7000(0000) knlGS:0000000000000000
[   37.926705][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.927088][  T431] CR2: 00000000004e5aa8 CR3: 00000000021cc002 CR4: 0000000000772ef0
[   37.927563][  T431] PKRU: 55555554
[   37.927794][  T431] Call Trace:
[   37.928020][  T431]  <TASK>
[ 37.928174][ T431] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.928561][ T431] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 37.928911][ T431] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 37.929213][ T431] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.929521][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.929834][ T431] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.930140][ T431] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.930441][ T431] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.930768][ T431] ? ___sys_sendmsg (net/socket.c:2670) 
[ 37.931073][ T431] ? __sys_sendmsg (net/socket.c:2700) 
[ 37.931374][ T431] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.931686][ T431] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 37.932071][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.932384][ T431] netif_set_mtu (net/core/dev.c:9652) 
[ 37.932700][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.933024][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.933256][ T431] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.933690][ T431] br_del_if (net/bridge/br_if.c:743) bridge 
[ 37.934031][ T431] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 37.934336][ T431] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 37.934659][ T431] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.934970][ T431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.935355][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.935670][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.935972][ T431] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.936279][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.936594][ T431] ? __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) 
[ 37.936904][ T431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.937291][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.937609][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.937914][ T431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.938219][ T431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.938525][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.938843][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.939154][ T431] ? __create_object (mm/kmemleak.c:771) 
[ 37.939465][ T431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.939783][ T431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.940088][ T431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.940468][ T431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.940789][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.941098][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.941410][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.941737][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.942045][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.942345][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.942658][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.942963][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.943270][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.943595][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.943914][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.944218][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.944522][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.944848][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.945149][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.945456][ T431] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.945773][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.946084][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.946392][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.946709][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.947016][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.947328][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.947653][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.947955][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.948351][ T431] ___sys_sendmsg (net/socket.c:2670) 
[ 37.948665][ T431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.948969][ T431] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.949350][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.949667][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.949973][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.950284][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.950598][ T431] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.950907][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.951219][ T431] __sys_sendmsg (net/socket.c:2700) 
[ 37.951524][ T431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.951913][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.952230][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.952536][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.952861][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.953244][  T431] RIP: 0033:0x7f9925de01e7
[ 37.953575][ T431] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.954668][  T431] RSP: 002b:00007fffa8d61028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.955132][  T431] RAX: ffffffffffffffda RBX: 00007fffa8d61750 RCX: 00007f9925de01e7
[   37.955600][  T431] RDX: 0000000000000000 RSI: 00007fffa8d61090 RDI: 0000000000000005
[   37.956055][  T431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.956510][  T431] R10: 00007f9925cddee8 R11: 0000000000000246 R12: 0000000000000004


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