======================================
| 0
| xx__-> [   17.723950][  T301] ------------[ cut here ]------------
| [ 17.724434][ T301] WARNING: CPU: 3 PID: 301 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) 
| [   17.725012][  T301] Modules linked in: vrf veth
[   17.725883][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.726239][ T301] 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) 
[ 17.726543][ T301] 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
[   17.727576][  T301] RSP: 0018:ffffc90000b67140 EFLAGS: 00010246
[   17.727931][  T301] RAX: 0000000000000000 RBX: ffff88800783c000 RCX: 0000000000000001
[   17.728361][  T301] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[   17.728790][  T301] RBP: ffffc90000b67230 R08: ffff8880020e8800 R09: 0000000000000000
[   17.729208][  T301] R10: ffffc90000b675c8 R11: ffffffff8f250668 R12: 1ffff9200016ce2c
[   17.729642][  T301] R13: 0000000000002710 R14: ffffc90000b67880 R15: ffff88800badf860
[   17.730062][  T301] FS:  00007fa950c14800(0000) GS:ffff8880a5e37000(0000) knlGS:0000000000000000
[   17.730553][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.730907][  T301] CR2: 00000000004e5aa0 CR3: 0000000014e9d001 CR4: 0000000000772ef0
[   17.731329][  T301] PKRU: 55555554
[   17.731548][  T301] Call Trace:
[   17.731763][  T301]  <TASK>
[ 17.732180][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.732470][ T301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.732761][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.733045][ T301] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.733322][ T301] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.733629][ T301] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.733925][ T301] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.734214][ T301] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.734573][ T301] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.734856][ T301] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.735144][ T301] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.735427][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.735715][ T301] ? __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) 
[ 17.735994][ T301] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.736342][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.736631][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.736908][ T301] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.737195][ T301] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.737483][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.737770][ T301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.738045][ T301] ? __create_object (mm/kmemleak.c:771) 
[ 17.738324][ T301] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.738611][ T301] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.738894][ T301] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.739242][ T301] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.739553][ T301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.739833][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.740110][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.740390][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.740674][ T301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.740952][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.741229][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.741512][ T301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.741792][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.742071][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.742353][ T301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.742636][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.742912][ T301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.743243][ T301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.743526][ T301] ? 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) 
[ 17.743811][ T301] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.744087][ T301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.744360][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.744652][ T301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.744940][ T301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.745219][ T301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.745514][ T301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.745795][ T301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.746070][ T301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.746431][ T301] ___sys_sendmsg (net/socket.c:2670) 
[ 17.746714][ T301] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.746992][ T301] ? __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) 
[ 17.747339][ T301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.747627][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.747904][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.748188][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.748479][ T301] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.748764][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.749052][ T301] __sys_sendmsg (net/socket.c:2700) 
[ 17.749331][ T301] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.749684][ T301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.749972][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.750249][ T301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.750539][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.750878][  T301] RIP: 0033:0x7fa950de11e7
[ 17.751172][ T301] 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)
[   17.752170][  T301] RSP: 002b:00007ffc71178658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.752603][  T301] RAX: ffffffffffffffda RBX: 00007ffc71178d80 RCX: 00007fa950de11e7
[   17.753018][  T301] RDX: 0000000000000000 RSI: 00007ffc711786c0 RDI: 0000000000000005
[   17.753428][  T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   17.753863][  T301] R10: 00007fa950cdeee8 R11: 0000000000000246 R12: 0000000000000004
[   17.754280][  T301] R13: 00000000686e46b2 R14: 0000000000499600 R15: 0000000000000000
| [   20.237533][  T343] ------------[ cut here ]------------
| [ 20.237879][ T343] WARNING: CPU: 3 PID: 343 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) 
| [   20.238457][  T343] Modules linked in: 8021q vrf veth
| [   20.240475][  T343] Tainted: [W]=WARN
[   20.240703][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.241065][ T343] 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) 
[ 20.241351][ T343] 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
[   20.242348][  T343] RSP: 0018:ffffc900004d7140 EFLAGS: 00010246
[   20.242715][  T343] RAX: 0000000000000000 RBX: ffff8880053c9000 RCX: 0000000000000001
[   20.243152][  T343] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[   20.243575][  T343] RBP: ffffc900004d7230 R08: ffff88800ba40800 R09: 0000000000000000
[   20.244021][  T343] R10: ffffc900004d75c8 R11: ffffffff8f250668 R12: 1ffff9200009ae2c
[   20.244440][  T343] R13: 0000000000002710 R14: ffffc900004d7880 R15: ffff88800a7ae6e0
[   20.244866][  T343] FS:  00007fcb61434800(0000) GS:ffff8880a5e37000(0000) knlGS:0000000000000000
[   20.245351][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.245709][  T343] CR2: 00000000004e5ab8 CR3: 000000000513e006 CR4: 0000000000772ef0
[   20.246128][  T343] PKRU: 55555554
[   20.246337][  T343] Call Trace:
[   20.246553][  T343]  <TASK>
[ 20.246700][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.246987][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.247262][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.247559][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.247835][ T343] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.248116][ T343] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.248397][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.248687][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.249042][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.249322][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.249613][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.249896][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.250179][ T343] ? __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) 
[ 20.250463][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.250823][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.251101][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.251378][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.251664][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.251945][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.252221][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.252509][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 20.252789][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.253072][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.253355][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.253728][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.254012][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.254296][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.254583][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.254875][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.255152][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.255426][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.255715][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.255995][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.256276][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.256567][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.256855][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.257140][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.257423][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.257725][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.258010][ T343] ? 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) 
[ 20.258300][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.258614][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.258892][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.259172][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.259462][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.259761][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.260046][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.260330][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.260616][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.260975][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 20.261255][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.261553][ T343] ? __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) 
[ 20.261906][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.262184][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.262464][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.262764][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.263048][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.263367][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.263675][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 20.263951][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.264295][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.264606][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.264885][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.265164][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.265517][  T343] RIP: 0033:0x7fcb616011e7
[ 20.265808][ T343] 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)
[   20.266808][  T343] RSP: 002b:00007fffa3f7ba28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.267229][  T343] RAX: ffffffffffffffda RBX: 00007fffa3f7c150 RCX: 00007fcb616011e7
[   20.267653][  T343] RDX: 0000000000000000 RSI: 00007fffa3f7ba90 RDI: 0000000000000005
[   20.268070][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.268494][  T343] R10: 00007fcb614feee8 R11: 0000000000000246 R12: 0000000000000004
[   20.268923][  T343] R13: 00000000686e46b4 R14: 0000000000499600 R15: 0000000000000000
| [   23.675069][  T403] ------------[ cut here ]------------
| [ 23.675395][ T403] WARNING: CPU: 0 PID: 403 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) 
| [   23.675976][  T403] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.677068][  T403] Tainted: [W]=WARN
[   23.677286][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.677646][ T403] 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) 
[ 23.677934][ T403] 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
[   23.678947][  T403] RSP: 0018:ffffc90000717140 EFLAGS: 00010246
[   23.679299][  T403] RAX: 0000000000000000 RBX: ffff8880077d9000 RCX: 0000000000000001
[   23.679725][  T403] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[   23.680148][  T403] RBP: ffffc90000717230 R08: ffff88800b8d8800 R09: 0000000000000000
[   23.681058][  T403] R10: ffffc900007175c8 R11: ffffffff8f250668 R12: 1ffff920000e2e2c
[   23.681490][  T403] R13: 0000000000002710 R14: ffffc90000717880 R15: ffff888005a37be0
[   23.681920][  T403] FS:  00007f912147b800(0000) GS:ffff8880a5cb7000(0000) knlGS:0000000000000000
[   23.682415][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.682773][  T403] CR2: 00000000004e5aa8 CR3: 0000000014f9b001 CR4: 0000000000772ef0
[   23.683196][  T403] PKRU: 55555554
[   23.683403][  T403] Call Trace:
[   23.683629][  T403]  <TASK>
[ 23.683790][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.684075][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.684352][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.684649][ T403] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.684928][ T403] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.685205][ T403] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.685489][ T403] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.685787][ T403] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.686141][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.686423][ T403] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.686710][ T403] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.686994][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.687274][ T403] ? __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) 
[ 23.687564][ T403] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.687907][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.688187][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.688470][ T403] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.688756][ T403] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.689036][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.689318][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.689598][ T403] ? __create_object (mm/kmemleak.c:771) 
[ 23.689875][ T403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.690150][ T403] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.690428][ T403] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.690794][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.691132][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.691462][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.691961][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.692288][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.692619][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.692938][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.693256][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.693594][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.693929][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.694252][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.694588][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.694914][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.695235][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.695575][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.695901][ T403] ? 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) 
[ 23.696223][ T403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.696558][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.696876][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.697196][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.697526][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.697851][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.698179][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.698513][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.698832][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.699236][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 23.699560][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.699882][ T403] ? __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) 
[ 23.700279][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.700618][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.700941][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.701264][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.701605][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.701925][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.702246][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 23.702570][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.702971][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.703299][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.703639][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.703971][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.704374][  T403] RIP: 0033:0x7f91216481e7
[ 23.704679][ T403] 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)
[   23.705681][  T403] RSP: 002b:00007ffe56305388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.706101][  T403] RAX: ffffffffffffffda RBX: 00007ffe56305ab0 RCX: 00007f91216481e7
[   23.706523][  T403] RDX: 0000000000000000 RSI: 00007ffe563053f0 RDI: 0000000000000005
[   23.706935][  T403] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   23.707356][  T403] R10: 00007f9121545ee8 R11: 0000000000000246 R12: 0000000000000004
[   23.707777][  T403] R13: 00000000686e46b8 R14: 0000000000499600 R15: 0000000000000000
| [   24.183197][  T415] ------------[ cut here ]------------
| [ 24.183532][ T415] WARNING: CPU: 3 PID: 415 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) 
| [   24.184159][  T415] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.186678][  T415] Tainted: [W]=WARN
[   24.186910][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.187299][ T415] 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) 
[ 24.187718][ T415] 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
[   24.188834][  T415] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[   24.189229][  T415] RAX: 0000000000000000 RBX: ffff88800b8e2000 RCX: 0000000000000001
[   24.189704][  T415] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[   24.190180][  T415] RBP: ffffc900004d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.190661][  T415] R10: ffffc900004d7010 R11: ffffffff8f2a8918 R12: 1ffff9200009ade2
[   24.191128][  T415] R13: 0000000000002710 R14: ffffc900004d7010 R15: ffff88800b8e2f08
[   24.191597][  T415] FS:  00007f90a885d800(0000) GS:ffff8880a5e37000(0000) knlGS:0000000000000000
[   24.192139][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.192541][  T415] CR2: 00000000004e5410 CR3: 00000000029be004 CR4: 0000000000772ef0
[   24.193014][  T415] PKRU: 55555554
[   24.193244][  T415] Call Trace:
[   24.193475][  T415]  <TASK>
[ 24.193655][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.193974][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.194290][ T415] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.194610][ T415] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.194996][ T415] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.195312][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 24.195634][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.195949][ T415] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.196375][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.196620][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.197047][ T415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.197396][ T415] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.197721][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.198032][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.198423][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.198747][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.199059][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.199377][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.199697][ T415] ? __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) 
[ 24.200007][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.200389][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.200708][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.201018][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.201320][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.201659][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.201968][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.202273][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 24.202593][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.202901][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.203210][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.203605][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.203937][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.204249][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.204563][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.204881][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.205190][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.205494][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.205820][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.206128][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.206438][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.206759][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.207074][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.207381][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.207698][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.208020][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.208329][ T415] ? 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) 
[ 24.208650][ T415] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.208964][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.209274][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.209597][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.209913][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.210228][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.210559][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.210881][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.211196][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.211605][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 24.211917][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.212233][ T415] ? __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) 
[ 24.212629][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.212941][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.213258][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.213585][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.213905][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.214215][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.214539][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 24.214846][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.215228][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.215553][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.215869][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.216184][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.216572][  T415] RIP: 0033:0x7f90a8a2a1e7
[ 24.216889][ T415] 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)
[   24.217995][  T415] RSP: 002b:00007ffe863c6e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.218470][  T415] RAX: ffffffffffffffda RBX: 00007ffe863c75c0 RCX: 00007f90a8a2a1e7
[   24.218939][  T415] RDX: 0000000000000000 RSI: 00007ffe863c6f00 RDI: 0000000000000005
[   24.219398][  T415] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.219870][  T415] R10: 000000003f7df910 R11: 0000000000000246 R12: 0000000000000004
[   24.220333][  T415] R13: 00000000686e46b8 R14: 0000000000499600 R15: 0000000000000000
| [   24.892823][  T432] ------------[ cut here ]------------
| [ 24.893173][ T432] WARNING: CPU: 2 PID: 432 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) 
| [   24.893845][  T432] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.895056][  T432] Tainted: [W]=WARN
[   24.895308][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.895714][ T432] 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) 
[ 24.896045][ T432] 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
[   24.897166][  T432] RSP: 0018:ffffc900006a6ef0 EFLAGS: 00010246
[   24.897595][  T432] RAX: 0000000000000000 RBX: ffff888017cd2000 RCX: 0000000000000001
[   24.898072][  T432] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[   24.898552][  T432] RBP: ffffc900006a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.899023][  T432] R10: ffffc900006a7010 R11: ffffffff8f2a8918 R12: 1ffff920000d4de2
[   24.900727][  T432] R13: 0000000000002710 R14: ffffc900006a7010 R15: ffff888017cd2f08
[   24.901219][  T432] FS:  00007f529a589800(0000) GS:ffff8880a5db7000(0000) knlGS:0000000000000000
[   24.901780][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.902182][  T432] CR2: 00000000004e5418 CR3: 000000000b8c4002 CR4: 0000000000772ef0
[   24.902664][  T432] PKRU: 55555554
[   24.902916][  T432] Call Trace:
[   24.903166][  T432]  <TASK>
[ 24.903342][ T432] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.903690][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.904026][ T432] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.904344][ T432] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.904759][ T432] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.905088][ T432] netif_set_mtu (net/core/dev.c:9652) 
[ 24.905415][ T432] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.905766][ T432] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.906217][ T432] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.906466][ T432] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.906908][ T432] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.907268][ T432] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.907604][ T432] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.907978][ T432] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.908385][ T432] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.908715][ T432] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.909040][ T432] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.909366][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.909703][ T432] ? __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) 
[ 24.910027][ T432] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.910432][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.910770][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.911095][ T432] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.911415][ T432] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.911751][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.912075][ T432] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.912403][ T432] ? __create_object (mm/kmemleak.c:771) 
[ 24.912742][ T432] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.913072][ T432] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.913391][ T432] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.913810][ T432] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.914143][ T432] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.914472][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.914801][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.915130][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.915456][ T432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.915787][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.916109][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.916425][ T432] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.916783][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.917105][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.917437][ T432] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.917766][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.918092][ T432] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.918420][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.918746][ T432] ? 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) 
[ 24.919065][ T432] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.919388][ T432] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.919716][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.920041][ T432] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.920372][ T432] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.920702][ T432] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.921027][ T432] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.921349][ T432] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.921677][ T432] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.922087][ T432] ___sys_sendmsg (net/socket.c:2670) 
[ 24.922403][ T432] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.922742][ T432] ? __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) 
[ 24.923142][ T432] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.923468][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.923846][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.924181][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.924511][ T432] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.924838][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.925171][ T432] __sys_sendmsg (net/socket.c:2700) 
[ 24.925506][ T432] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.925902][ T432] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.926237][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.926571][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.926893][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.927285][  T432] RIP: 0033:0x7f529a7561e7
[ 24.927630][ T432] 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)
[   24.928739][  T432] RSP: 002b:00007fff84733238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.929210][  T432] RAX: ffffffffffffffda RBX: 00007fff84733960 RCX: 00007f529a7561e7
[   24.929693][  T432] RDX: 0000000000000000 RSI: 00007fff847332a0 RDI: 0000000000000005
[   24.930167][  T432] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.930647][  T432] R10: 000000001370e910 R11: 0000000000000246 R12: 0000000000000004
[   24.931115][  T432] R13: 00000000686e46b9 R14: 0000000000499600 R15: 0000000000000000
| [   25.612670][  T450] ------------[ cut here ]------------
| [ 25.613279][ T450] WARNING: CPU: 0 PID: 450 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) 
| [   25.613870][  T450] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.615102][  T450] Tainted: [W]=WARN
[   25.615323][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.616065][ T450] 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) 
[ 25.616368][ T450] 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
[   25.617732][  T450] RSP: 0018:ffffc90000817140 EFLAGS: 00010246
[   25.618339][  T450] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   25.619041][  T450] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[   25.619783][  T450] RBP: ffffc90000817230 R08: ffff88800b7d5000 R09: 0000000000000000
[   25.620530][  T450] R10: ffffc900008175c8 R11: ffffffff8f250668 R12: 1ffff92000102e2c
[   25.621137][  T450] R13: 0000000000002710 R14: ffffc90000817880 R15: ffff88800bafc3e0
[   25.621905][  T450] FS:  00007f0a024dd800(0000) GS:ffff8880a5cb7000(0000) knlGS:0000000000000000
[   25.622784][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.623406][  T450] CR2: 00000000004e5ab0 CR3: 000000000a414004 CR4: 0000000000772ef0
[   25.624170][  T450] PKRU: 55555554
[   25.624549][  T450] Call Trace:
[   25.624910][  T450]  <TASK>
[ 25.625172][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.625692][ T450] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.626183][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.626699][ T450] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.627196][ T450] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.627699][ T450] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.628194][ T450] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.628716][ T450] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.629293][ T450] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.629796][ T450] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.630282][ T450] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.630815][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.631323][ T450] ? __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) 
[ 25.631831][ T450] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.632455][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.632970][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.633461][ T450] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.633983][ T450] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.634465][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.634970][ T450] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.635455][ T450] ? __create_object (mm/kmemleak.c:771) 
[ 25.635962][ T450] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.636465][ T450] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.636963][ T450] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.637572][ T450] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.638037][ T450] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.638352][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.638645][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.638932][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.639350][ T450] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.639858][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.640197][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.640472][ T450] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.640759][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.641041][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.641333][ T450] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.641625][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.641910][ T450] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.642207][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.642484][ T450] ? 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) 
[ 25.642770][ T450] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.643050][ T450] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.643369][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.643666][ T450] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.643962][ T450] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.644278][ T450] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.644674][ T450] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.644958][ T450] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.645244][ T450] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.645610][ T450] ___sys_sendmsg (net/socket.c:2670) 
[ 25.645884][ T450] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.646184][ T450] ? __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) 
[ 25.646539][ T450] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.646819][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.647132][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.647655][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.648149][ T450] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.648511][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.648804][ T450] __sys_sendmsg (net/socket.c:2700) 
[ 25.649087][ T450] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.649427][ T450] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.649728][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.650010][ T450] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.650301][ T450] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.650655][  T450] RIP: 0033:0x7f0a026aa1e7
[ 25.650952][ T450] 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)
[   25.652049][  T450] RSP: 002b:00007ffdb71883a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.652476][  T450] RAX: ffffffffffffffda RBX: 00007ffdb7188ad0 RCX: 00007f0a026aa1e7
[   25.652906][  T450] RDX: 0000000000000000 RSI: 00007ffdb7188410 RDI: 0000000000000005
[   25.653320][  T450] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.653755][  T450] R10: 00007f0a025a7ee8 R11: 0000000000000246 R12: 0000000000000004
[   25.654229][  T450] R13: 00000000686e46ba R14: 0000000000499600 R15: 0000000000000000
| [   26.241817][  T462] ------------[ cut here ]------------
| [ 26.242160][ T462] WARNING: CPU: 3 PID: 462 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) 
| [   26.242795][  T462] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.244012][  T462] Tainted: [W]=WARN
[   26.244250][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.244645][ T462] 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) 
[ 26.244973][ T462] 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
[   26.246081][  T462] RSP: 0018:ffffc90000a06ef0 EFLAGS: 00010246
[   26.246478][  T462] RAX: 0000000000000000 RBX: ffff88800b8e2000 RCX: 0000000000000001
[   26.246947][  T462] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[   26.247408][  T462] RBP: ffffc90000a06fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.247881][  T462] R10: ffffc90000a07010 R11: ffffffff8f2a8918 R12: 1ffff92000140de2
[   26.248349][  T462] R13: 0000000000002710 R14: ffffc90000a07010 R15: ffff88800b8e2f08
[   26.248824][  T462] FS:  00007fc8474a7800(0000) GS:ffff8880a5e37000(0000) knlGS:0000000000000000
[   26.249360][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.249758][  T462] CR2: 00000000004e5410 CR3: 000000000297e001 CR4: 0000000000772ef0
[   26.250225][  T462] PKRU: 55555554
[   26.250459][  T462] Call Trace:
[   26.250699][  T462]  <TASK>
[ 26.250862][ T462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.251170][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.251487][ T462] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.251807][ T462] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.252192][ T462] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.252516][ T462] netif_set_mtu (net/core/dev.c:9652) 
[ 26.252834][ T462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.253149][ T462] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.253582][ T462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.253833][ T462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.254247][ T462] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.254606][ T462] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.254929][ T462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.255238][ T462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.255638][ T462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.255947][ T462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.256257][ T462] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.256577][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.256887][ T462] ? __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) 
[ 26.257198][ T462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.257587][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.257899][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.258203][ T462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.258524][ T462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.258837][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.259144][ T462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.259448][ T462] ? __create_object (mm/kmemleak.c:771) 
[ 26.259776][ T462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.260082][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.260389][ T462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.260779][ T462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.261095][ T462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.261408][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.261725][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.262045][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.262349][ T462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.262662][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.262972][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.263278][ T462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.263596][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.263919][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.264228][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.264550][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.264860][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.265184][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.265487][ T462] ? 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) 
[ 26.265804][ T462] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.266111][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.266413][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.266741][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.267051][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.267356][ T462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.267679][ T462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.267988][ T462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.268289][ T462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.268691][ T462] ___sys_sendmsg (net/socket.c:2670) 
[ 26.269006][ T462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.269313][ T462] ? __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) 
[ 26.269702][ T462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.270010][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.270317][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.270635][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.270941][ T462] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.271250][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.271573][ T462] __sys_sendmsg (net/socket.c:2700) 
[ 26.271873][ T462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.272249][ T462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.272573][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.272877][ T462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.273253][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.273722][  T462] RIP: 0033:0x7fc8476741e7
[ 26.274041][ T462] 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)
[   26.275164][  T462] RSP: 002b:00007fffee6e46c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.275640][  T462] RAX: ffffffffffffffda RBX: 00007fffee6e4df0 RCX: 00007fc8476741e7
[   26.276124][  T462] RDX: 0000000000000000 RSI: 00007fffee6e4730 RDI: 0000000000000005
[   26.276593][  T462] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.277048][  T462] R10: 00000000248cd910 R11: 0000000000000246 R12: 0000000000000004
[   26.277532][  T462] R13: 00000000686e46ba R14: 0000000000499600 R15: 0000000000000000
| [   26.984616][  T479] ------------[ cut here ]------------
| [ 26.984956][ T479] WARNING: CPU: 2 PID: 479 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) 
| [   26.985590][  T479] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.986813][  T479] Tainted: [W]=WARN
[   26.987057][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.987460][ T479] 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) 
[ 26.987802][ T479] 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
[   26.988983][  T479] RSP: 0018:ffffc90000b26ef0 EFLAGS: 00010246
[   26.989402][  T479] RAX: 0000000000000000 RBX: ffff888017cd2000 RCX: 0000000000000001
[   26.989891][  T479] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[   26.990379][  T479] RBP: ffffc90000b26fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.990861][  T479] R10: ffffc90000b27010 R11: ffffffff8f2a8918 R12: 1ffff92000164de2
[   26.991330][  T479] R13: 0000000000002710 R14: ffffc90000b27010 R15: ffff888017cd2f08
[   26.991834][  T479] FS:  00007f2c48259800(0000) GS:ffff8880a5db7000(0000) knlGS:0000000000000000
[   26.992395][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.992814][  T479] CR2: 00000000004e5418 CR3: 000000000b743001 CR4: 0000000000772ef0
[   26.993286][  T479] PKRU: 55555554
[   26.993562][  T479] Call Trace:
[   26.993841][  T479]  <TASK>
[ 26.994015][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.994374][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.994751][ T479] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.995079][ T479] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.995513][ T479] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.995852][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 26.996196][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.996548][ T479] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.997015][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.997299][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.997748][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.998143][ T479] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.998516][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.998877][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.999315][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.999657][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.999987][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.000347][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.000689][ T479] ? __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) 
[ 27.001009][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.001433][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.001790][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.002114][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.002461][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.002799][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.003145][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.003464][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 27.003808][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.004129][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.004470][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.004907][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.005234][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.005590][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.006209][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.006553][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.006897][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.007216][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.007568][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.007895][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.008214][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.008547][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.008907][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.009229][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.009594][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.009927][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.010492][ T479] ? 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) 
[ 27.010831][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.011188][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.011530][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.012116][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.012453][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.012794][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.013123][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.013722][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.014057][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.014473][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 27.014815][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.015369][ T479] ? __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) 
[ 27.015795][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.016129][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.016459][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.017028][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.017359][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.017686][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.018034][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 27.018595][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.019027][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.019382][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.019959][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.020292][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.020701][  T479] RIP: 0033:0x7f2c484261e7
[ 27.021037][ T479] 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)
[   27.022421][  T479] RSP: 002b:00007ffe499bc238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.023166][  T479] RAX: ffffffffffffffda RBX: 00007ffe499bc960 RCX: 00007f2c484261e7
[   27.023690][  T479] RDX: 0000000000000000 RSI: 00007ffe499bc2a0 RDI: 0000000000000005
[   27.024167][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.024905][  T479] R10: 0000000040138910 R11: 0000000000000246 R12: 0000000000000004
[   27.025393][  T479] R13: 00000000686e46bb R14: 0000000000499600 R15: 0000000000000000
| [  112.516784][  T848] ------------[ cut here ]------------
| [ 112.517114][ T848] WARNING: CPU: 3 PID: 848 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) 
| [  112.517733][  T848] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  112.519012][  T848] Tainted: [W]=WARN
[  112.519253][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.519659][ T848] 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) 
[ 112.519982][ T848] 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
[  112.521091][  T848] RSP: 0018:ffffc9000111ef70 EFLAGS: 00010246
[  112.521475][  T848] RAX: 0000000000000000 RBX: ffff888017cd2000 RCX: 0000000000000001
[  112.521947][  T848] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[  112.522408][  T848] RBP: ffffc9000111f058 R08: 0000000000000000 R09: 0000000000000000
[  112.522875][  T848] R10: ffffc9000111f088 R11: ffffffff8a800130 R12: 1ffff92000223df2
[  112.523330][  T848] R13: 0000000000002710 R14: ffffc9000111f088 R15: ffff888017cd2f08
[  112.523815][  T848] FS:  00007f3a231bb800(0000) GS:ffff8880a5e37000(0000) knlGS:0000000000000000
[  112.524354][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.524748][  T848] CR2: 00000000004e5630 CR3: 0000000005266002 CR4: 0000000000772ef0
[  112.525211][  T848] PKRU: 55555554
[  112.525446][  T848] Call Trace:
[  112.525685][  T848]  <TASK>
[ 112.525846][ T848] ? __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) 
[ 112.526234][ T848] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 112.526594][ T848] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.526904][ T848] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.527210][ T848] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.527527][ T848] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.527833][ T848] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.528134][ T848] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.528445][ T848] ? ___sys_sendmsg (net/socket.c:2670) 
[ 112.528764][ T848] ? __sys_sendmsg (net/socket.c:2700) 
[ 112.529067][ T848] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.529373][ T848] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 112.529758][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.530076][ T848] netif_set_mtu (net/core/dev.c:9652) 
[ 112.530384][ T848] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.530715][ T848] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.530952][ T848] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.531360][ T848] br_del_if (net/bridge/br_if.c:743) bridge 
[ 112.531699][ T848] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 112.532006][ T848] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.532318][ T848] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.532637][ T848] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.533025][ T848] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.533341][ T848] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.533658][ T848] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.533975][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.534285][ T848] ? __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) 
[ 112.534600][ T848] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.534976][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.535283][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.535606][ T848] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.535910][ T848] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.536214][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.536553][ T848] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.536856][ T848] ? __create_object (mm/kmemleak.c:771) 
[ 112.537168][ T848] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.537486][ T848] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.537803][ T848] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.538188][ T848] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.538522][ T848] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.538833][ T848] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.539140][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.539452][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.539768][ T848] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.540070][ T848] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.540388][ T848] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.540702][ T848] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.541015][ T848] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.541328][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.541650][ T848] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.541966][ T848] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.542270][ T848] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.542599][ T848] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.542910][ T848] ? 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) 
[ 112.543216][ T848] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.543535][ T848] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.543852][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.544171][ T848] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.544485][ T848] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.544803][ T848] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.545124][ T848] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.545433][ T848] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.545756][ T848] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.546149][ T848] ___sys_sendmsg (net/socket.c:2670) 
[ 112.546455][ T848] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.546774][ T848] ? __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) 
[ 112.547160][ T848] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.547475][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.547796][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.548109][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.548422][ T848] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.548756][ T848] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.549092][ T848] __sys_sendmsg (net/socket.c:2700) 
[ 112.549415][ T848] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.549821][ T848] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.550137][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.550444][ T848] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.550763][ T848] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.551142][  T848] RIP: 0033:0x7f3a233881e7
[ 112.551464][ T848] 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)
[  112.552574][  T848] RSP: 002b:00007ffcb7fe2038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.553040][  T848] RAX: ffffffffffffffda RBX: 00007ffcb7fe2760 RCX: 00007f3a233881e7
[  112.553515][  T848] RDX: 0000000000000000 RSI: 00007ffcb7fe20a0 RDI: 0000000000000005
[  112.553985][  T848] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  112.554440][  T848] R10: 00007f3a23285ee8 R11: 0000000000000246 R12: 0000000000000003
[  112.554909][  T848] R13: 00000000686e4711 R14: 0000000000499600 R15: 0000000000000000
| [  113.009276][  T856] ------------[ cut here ]------------
| [ 113.009655][ T856] WARNING: CPU: 3 PID: 856 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) 
| [  113.010315][  T856] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.011646][  T856] Tainted: [W]=WARN
[  113.011892][  T856] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.012302][ T856] 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) 
[ 113.013209][ T856] 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
[  113.014425][  T856] RSP: 0018:ffffc9000117ef70 EFLAGS: 00010246
[  113.014848][  T856] RAX: 0000000000000000 RBX: ffff88800b8e2000 RCX: 0000000000000001
[  113.015335][  T856] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[  113.015826][  T856] RBP: ffffc9000117f058 R08: 0000000000000000 R09: 0000000000000000
[  113.016310][  T856] R10: ffffc9000117f088 R11: ffffffff8e979160 R12: 1ffff9200022fdf2
[  113.016800][  T856] R13: 0000000000002710 R14: ffffc9000117f088 R15: ffff88800b8e2f08
[  113.017285][  T856] FS:  00007fa650b35800(0000) GS:ffff8880a5e37000(0000) knlGS:0000000000000000
[  113.017854][  T856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.018259][  T856] CR2: 00000000004e5628 CR3: 00000000157a1003 CR4: 0000000000772ef0
[  113.018751][  T856] PKRU: 55555554
[  113.018997][  T856] Call Trace:
[  113.019240][  T856]  <TASK>
[ 113.019412][ T856] ? __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) 
[ 113.019829][ T856] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.020188][ T856] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.020525][ T856] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.020848][ T856] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.021171][ T856] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.021508][ T856] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.021843][ T856] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.022167][ T856] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.022483][ T856] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.022823][ T856] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.023147][ T856] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.023551][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.023880][ T856] netif_set_mtu (net/core/dev.c:9652) 
[ 113.024189][ T856] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.024531][ T856] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.024766][ T856] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.025184][ T856] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.025527][ T856] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.025837][ T856] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.026147][ T856] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.026457][ T856] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.026878][ T856] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.027186][ T856] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.027492][ T856] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.027820][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.028130][ T856] ? __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) 
[ 113.028435][ T856] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.028825][ T856] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.029140][ T856] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.029443][ T856] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.029757][ T856] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.030067][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.030373][ T856] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.030683][ T856] ? __create_object (mm/kmemleak.c:771) 
[ 113.031003][ T856] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.031311][ T856] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.031632][ T856] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.032032][ T856] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.032361][ T856] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.032698][ T856] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.033019][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.033344][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.033681][ T856] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.034019][ T856] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.034331][ T856] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.034652][ T856] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.034960][ T856] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.035276][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.035604][ T856] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.035928][ T856] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.036246][ T856] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.036583][ T856] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.036887][ T856] ? 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) 
[ 113.037193][ T856] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.037516][ T856] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.037825][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.038137][ T856] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.038448][ T856] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.038786][ T856] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.039103][ T856] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.039413][ T856] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.039727][ T856] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.040121][ T856] ___sys_sendmsg (net/socket.c:2670) 
[ 113.040421][ T856] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.040742][ T856] ? __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) 
[ 113.041141][ T856] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.041450][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.041799][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.042116][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.042424][ T856] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.042744][ T856] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.043062][ T856] __sys_sendmsg (net/socket.c:2700) 
[ 113.043380][ T856] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.043806][ T856] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.044141][ T856] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.044494][ T856] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.044827][ T856] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.045208][  T856] RIP: 0033:0x7fa650d021e7
[ 113.045536][ T856] 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)
[  113.046654][  T856] RSP: 002b:00007ffed41a85c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.047126][  T856] RAX: ffffffffffffffda RBX: 00007ffed41a8cf0 RCX: 00007fa650d021e7
[  113.047590][  T856] RDX: 0000000000000000 RSI: 00007ffed41a8630 RDI: 0000000000000005
[  113.048057][  T856] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.048530][  T856] R10: 00007fa650bffee8 R11: 0000000000000246 R12: 0000000000000003
[  113.048994][  T856] R13: 00000000686e4711 R14: 0000000000499600 R15: 0000000000000000
| [  113.356337][  T860] ------------[ cut here ]------------
| [ 113.356673][ T860] WARNING: CPU: 1 PID: 860 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) 
| [  113.357230][  T860] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.358381][  T860] Tainted: [W]=WARN
[  113.359960][  T860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.360312][ T860] 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) 
[ 113.360601][ T860] 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
[  113.361587][  T860] RSP: 0018:ffffc900011bf140 EFLAGS: 00010246
[  113.361939][  T860] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[  113.362346][  T860] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[  113.362759][  T860] RBP: ffffc900011bf230 R08: ffff888016033800 R09: 0000000000000000
[  113.363166][  T860] R10: ffffc900011bf5c8 R11: ffffffff8f250668 R12: 1ffff92000237e2c
[  113.363580][  T860] R13: 00000000000005dc R14: ffffc900011bf880 R15: ffff8880172dc3e0
[  113.364003][  T860] FS:  00007f21570c0800(0000) GS:ffff8880a5d37000(0000) knlGS:0000000000000000
[  113.364490][  T860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.364853][  T860] CR2: 00000000004e5ab0 CR3: 000000000a152002 CR4: 0000000000772ef0
[  113.365265][  T860] PKRU: 55555554
[  113.365471][  T860] Call Trace:
[  113.365701][  T860]  <TASK>
[ 113.365843][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.366121][ T860] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.366394][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.366680][ T860] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 113.366956][ T860] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 113.367231][ T860] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 113.367525][ T860] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 113.367805][ T860] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.368151][ T860] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.368425][ T860] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.368706][ T860] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.368984][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.369259][ T860] ? __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) 
[ 113.369560][ T860] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.369899][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.370177][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.370447][ T860] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.370729][ T860] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.371006][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.371278][ T860] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.371556][ T860] ? __create_object (mm/kmemleak.c:771) 
[ 113.371842][ T860] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.372115][ T860] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.372387][ T860] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.372737][ T860] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.373015][ T860] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.373291][ T860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.373585][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.373881][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.374154][ T860] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.374427][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.374712][ T860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.374983][ T860] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.375258][ T860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.375540][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.375817][ T860] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.376101][ T860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.376378][ T860] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.376674][ T860] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.376950][ T860] ? 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) 
[ 113.377225][ T860] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.377550][ T860] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.377829][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.378115][ T860] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.378390][ T860] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.378674][ T860] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.378956][ T860] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.379239][ T860] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.379531][ T860] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.379884][ T860] ___sys_sendmsg (net/socket.c:2670) 
[ 113.380162][ T860] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.380438][ T860] ? __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) 
[ 113.380788][ T860] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.381066][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.381349][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.381648][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.381925][ T860] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.382207][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.382486][ T860] __sys_sendmsg (net/socket.c:2700) 
[ 113.382766][ T860] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.383104][ T860] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.383388][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.383670][ T860] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.383954][ T860] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.384299][  T860] RIP: 0033:0x7f215728d1e7
[ 113.384596][ T860] 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)
[  113.385591][  T860] RSP: 002b:00007ffcc2cbac08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.386005][  T860] RAX: ffffffffffffffda RBX: 00007ffcc2cbb330 RCX: 00007f215728d1e7
[  113.386419][  T860] RDX: 0000000000000000 RSI: 00007ffcc2cbac70 RDI: 0000000000000005
[  113.386836][  T860] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  113.387243][  T860] R10: 00007f215718aee8 R11: 0000000000000246 R12: 0000000000000004
[  113.387658][  T860] R13: 00000000686e4712 R14: 0000000000499600 R15: 0000000000000000
| [  113.806229][  T866] ------------[ cut here ]------------
| [ 113.807320][ T866] WARNING: CPU: 2 PID: 866 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) 
| [  113.807971][  T866] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.809255][  T866] Tainted: [W]=WARN
[  113.809508][  T866] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.809911][ T866] 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) 
[ 113.810239][ T866] 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
[  113.811349][  T866] RSP: 0018:ffffc9000117ef70 EFLAGS: 00010246
[  113.811758][  T866] RAX: 0000000000000000 RBX: ffff888017cd2000 RCX: 0000000000000001
[  113.812236][  T866] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[  113.812713][  T866] RBP: ffffc9000117f058 R08: 0000000000000000 R09: 0000000000000000
[  113.813181][  T866] R10: ffffc9000117f088 R11: ffffffff8e979160 R12: 1ffff9200022fdf2
[  113.813660][  T866] R13: 00000000000005dc R14: ffffc9000117f088 R15: ffff888017cd2f08
[  113.814151][  T866] FS:  00007f286d593800(0000) GS:ffff8880a5db7000(0000) knlGS:0000000000000000
[  113.814709][  T866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.815106][  T866] CR2: 00000000004e73c0 CR3: 00000000091bb002 CR4: 0000000000772ef0
[  113.815585][  T866] PKRU: 55555554
[  113.815823][  T866] Call Trace:
[  113.816071][  T866]  <TASK>
[ 113.816245][ T866] ? __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) 
[ 113.816650][ T866] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.817009][ T866] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.817342][ T866] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.817678][ T866] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.817994][ T866] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.818312][ T866] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.818645][ T866] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.818963][ T866] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.819277][ T866] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.819602][ T866] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.819918][ T866] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.820307][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.820645][ T866] netif_set_mtu (net/core/dev.c:9652) 
[ 113.820969][ T866] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.821306][ T866] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.821566][ T866] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.821992][ T866] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.822337][ T866] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.822662][ T866] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.822986][ T866] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.823310][ T866] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.823729][ T866] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.824047][ T866] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.824364][ T866] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.824695][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.825018][ T866] ? __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) 
[ 113.825331][ T866] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.825734][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.826060][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.826381][ T866] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.826716][ T866] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.827036][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.827352][ T866] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.827676][ T866] ? __create_object (mm/kmemleak.c:771) 
[ 113.827997][ T866] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.828314][ T866] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.828646][ T866] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.829036][ T866] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.829358][ T866] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.829692][ T866] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.830010][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.830328][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.830657][ T866] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.830977][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.831298][ T866] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.831624][ T866] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.831941][ T866] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.832262][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.832595][ T866] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.832914][ T866] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.833233][ T866] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.833574][ T866] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.833904][ T866] ? 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) 
[ 113.834221][ T866] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.834551][ T866] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.834867][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.835188][ T866] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.835515][ T866] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.835843][ T866] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.836171][ T866] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.836495][ T866] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.836822][ T866] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.837226][ T866] ___sys_sendmsg (net/socket.c:2670) 
[ 113.837566][ T866] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.837885][ T866] ? __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) 
[ 113.838286][ T866] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.838621][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.838954][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.839283][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.839612][ T866] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.839930][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.840258][ T866] __sys_sendmsg (net/socket.c:2700) 
[ 113.840592][ T866] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.840986][ T866] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.841315][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.841647][ T866] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.841966][ T866] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.842357][  T866] RIP: 0033:0x7f286d7601e7
[ 113.842697][ T866] 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)
[  113.843815][  T866] RSP: 002b:00007ffd188e97e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.844284][  T866] RAX: ffffffffffffffda RBX: 00007ffd188e9f10 RCX: 00007f286d7601e7
[  113.844765][  T866] RDX: 0000000000000000 RSI: 00007ffd188e9850 RDI: 0000000000000005
[  113.845239][  T866] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.845714][  T866] R10: 00007f286d65dee8 R11: 0000000000000246 R12: 0000000000000003
[  113.846182][  T866] R13: 00000000686e4712 R14: 0000000000499600 R15: 0000000000000000
| [  114.280304][  T872] ------------[ cut here ]------------
| [ 114.281150][ T872] WARNING: CPU: 2 PID: 872 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) 
| [  114.281811][  T872] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  114.283121][  T872] Tainted: [W]=WARN
[  114.283365][  T872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.283911][ T872] 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) 
[ 114.284249][ T872] 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
[  114.285377][  T872] RSP: 0018:ffffc900011def70 EFLAGS: 00010246
[  114.285788][  T872] RAX: 0000000000000000 RBX: ffff88800b8e2000 RCX: 0000000000000001
[  114.286257][  T872] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[  114.286746][  T872] RBP: ffffc900011df058 R08: 0000000000000000 R09: 0000000000000000
[  114.287214][  T872] R10: ffffc900011df088 R11: ffffffff8e979160 R12: 1ffff9200023bdf2
[  114.287704][  T872] R13: 00000000000005dc R14: ffffc900011df088 R15: ffff88800b8e2f08
[  114.288175][  T872] FS:  00007fef28639800(0000) GS:ffff8880a5db7000(0000) knlGS:0000000000000000
[  114.288734][  T872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.289129][  T872] CR2: 00000000004e73b8 CR3: 0000000009f4a006 CR4: 0000000000772ef0
[  114.289608][  T872] PKRU: 55555554
[  114.289850][  T872] Call Trace:
[  114.290090][  T872]  <TASK>
[ 114.290257][ T872] ? __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) 
[ 114.290666][ T872] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 114.291026][ T872] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 114.291346][ T872] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 114.291683][ T872] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.292001][ T872] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.292319][ T872] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.292648][ T872] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.292968][ T872] ? ___sys_sendmsg (net/socket.c:2670) 
[ 114.293284][ T872] ? __sys_sendmsg (net/socket.c:2700) 
[ 114.293623][ T872] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.293953][ T872] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 114.294341][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.294677][ T872] netif_set_mtu (net/core/dev.c:9652) 
[ 114.294996][ T872] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.295329][ T872] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.295593][ T872] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.296032][ T872] br_del_if (net/bridge/br_if.c:743) bridge 
[ 114.296375][ T872] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 114.296703][ T872] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 114.297021][ T872] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 114.297341][ T872] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.297746][ T872] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.298064][ T872] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.298385][ T872] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.298735][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.299058][ T872] ? __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) 
[ 114.299376][ T872] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.299786][ T872] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.300113][ T872] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.300427][ T872] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.300764][ T872] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.301085][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.301402][ T872] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.301724][ T872] ? __create_object (mm/kmemleak.c:771) 
[ 114.302048][ T872] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.302366][ T872] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.302690][ T872] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.303081][ T872] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.303408][ T872] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.303758][ T872] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.304088][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.304410][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.304739][ T872] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.305053][ T872] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.305374][ T872] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.305698][ T872] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.306028][ T872] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.306346][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.306683][ T872] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.307005][ T872] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.307322][ T872] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.307671][ T872] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.307987][ T872] ? 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) 
[ 114.308313][ T872] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.308641][ T872] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.308955][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.309273][ T872] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.309608][ T872] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.309923][ T872] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.310247][ T872] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.310584][ T872] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.310902][ T872] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.311301][ T872] ___sys_sendmsg (net/socket.c:2670) 
[ 114.311632][ T872] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.311955][ T872] ? __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) 
[ 114.312346][ T872] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.312675][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.313003][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.313324][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.313650][ T872] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.313981][ T872] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.314307][ T872] __sys_sendmsg (net/socket.c:2700) 
[ 114.314629][ T872] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.315018][ T872] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.315352][ T872] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.315696][ T872] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.316022][ T872] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.316413][  T872] RIP: 0033:0x7fef288061e7
[ 114.316752][ T872] 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)
[  114.317860][  T872] RSP: 002b:00007ffe316c6aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.318332][  T872] RAX: ffffffffffffffda RBX: 00007ffe316c71d0 RCX: 00007fef288061e7
[  114.318811][  T872] RDX: 0000000000000000 RSI: 00007ffe316c6b10 RDI: 0000000000000005
[  114.319276][  T872] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  114.319773][  T872] R10: 00007fef28703ee8 R11: 0000000000000246 R12: 0000000000000003
[  114.320247][  T872] R13: 00000000686e4713 R14: 0000000000499600 R15: 0000000000000000
| [  114.644869][  T876] ------------[ cut here ]------------
| [ 114.645205][ T876] WARNING: CPU: 3 PID: 876 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) 
| [  114.646782][  T876] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  114.647943][  T876] Tainted: [W]=WARN
[  114.648152][  T876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.648510][ T876] 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) 
[ 114.648798][ T876] 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
[  114.649789][  T876] RSP: 0018:ffffc900011bf140 EFLAGS: 00010246
[  114.650142][  T876] RAX: 0000000000000000 RBX: ffff8880077d9000 RCX: 0000000000000001
[  114.650560][  T876] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[  114.650975][  T876] RBP: ffffc900011bf230 R08: ffff888017345000 R09: 0000000000000000
[  114.651398][  T876] R10: ffffc900011bf5c8 R11: ffffffff8f250668 R12: 1ffff92000237e2c
[  114.651823][  T876] R13: 00000000000005dc R14: ffffc900011bf880 R15: ffff888008bf91e0
[  114.652241][  T876] FS:  00007fe8150e3800(0000) GS:ffff8880a5e37000(0000) knlGS:0000000000000000
[  114.652727][  T876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.653071][  T876] CR2: 00000000004e5aa8 CR3: 0000000008c11006 CR4: 0000000000772ef0
[  114.653481][  T876] PKRU: 55555554
[  114.653693][  T876] Call Trace:
[  114.653919][  T876]  <TASK>
[ 114.654060][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.654341][ T876] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.654624][ T876] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.654907][ T876] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 114.655183][ T876] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 114.655460][ T876] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 114.655754][ T876] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 114.656036][ T876] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.656386][ T876] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.656669][ T876] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.656945][ T876] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.657219][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.657514][ T876] ? __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) 
[ 114.657799][ T876] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.658141][ T876] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.658414][ T876] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.658696][ T876] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.658970][ T876] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.659244][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.659525][ T876] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.659801][ T876] ? __create_object (mm/kmemleak.c:771) 
[ 114.660082][ T876] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.660356][ T876] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.660644][ T876] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.660987][ T876] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.661266][ T876] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.661556][ T876] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.661829][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.662113][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.662384][ T876] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.662667][ T876] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.662945][ T876] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.663220][ T876] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.663507][ T876] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.663794][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.664074][ T876] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.664358][ T876] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.664645][ T876] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.664934][ T876] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.665206][ T876] ? 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) 
[ 114.665479][ T876] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.665773][ T876] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.666047][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.666333][ T876] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.666642][ T876] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.666917][ T876] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.667200][ T876] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.667480][ T876] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.667764][ T876] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.668116][ T876] ___sys_sendmsg (net/socket.c:2670) 
[ 114.668394][ T876] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.668677][ T876] ? __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) 
[ 114.669018][ T876] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.669295][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.669581][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.669864][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.670136][ T876] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.670416][ T876] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.670709][ T876] __sys_sendmsg (net/socket.c:2700) 
[ 114.670981][ T876] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.671320][ T876] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.671615][ T876] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.671890][ T876] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.672166][ T876] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.672518][  T876] RIP: 0033:0x7fe8152b01e7
[ 114.672805][ T876] 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)
[  114.673798][  T876] RSP: 002b:00007ffc19e7d518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.674271][  T876] RAX: ffffffffffffffda RBX: 00007ffc19e7dc40 RCX: 00007fe8152b01e7
[  114.674698][  T876] RDX: 0000000000000000 RSI: 00007ffc19e7d580 RDI: 0000000000000005
[  114.675106][  T876] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  114.675531][  T876] R10: 00007fe8151adee8 R11: 0000000000000246 R12: 0000000000000004
[  114.675942][  T876] R13: 00000000686e4713 R14: 0000000000499600 R15: 0000000000000000
| [  115.867638][  T890] ------------[ cut here ]------------
| [ 115.868278][ T890] WARNING: CPU: 1 PID: 890 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) 
| [  115.869275][  T890] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  115.872466][  T890] Tainted: [W]=WARN
[  115.872855][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.873472][ T890] 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) 
[ 115.874020][ T890] 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
[  115.875792][  T890] RSP: 0018:ffffc9000107f140 EFLAGS: 00010246
[  115.876430][  T890] RAX: 0000000000000000 RBX: ffff8880053c9000 RCX: 0000000000000001
[  115.877217][  T890] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[  115.877989][  T890] RBP: ffffc9000107f230 R08: ffff88801549e800 R09: 0000000000000000
[  115.878740][  T890] R10: ffffc9000107f5c8 R11: ffffffff8f250668 R12: 1ffff9200020fe2c
[  115.879480][  T890] R13: 00000000000005dc R14: ffffc9000107f880 R15: ffff88800502a360
[  115.880252][  T890] FS:  00007f93afb14800(0000) GS:ffff8880a5d37000(0000) knlGS:0000000000000000
[  115.881136][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.881732][  T890] CR2: 00000000004e5ab8 CR3: 000000000594d002 CR4: 0000000000772ef0
[  115.882458][  T890] PKRU: 55555554
[  115.882841][  T890] Call Trace:
[  115.883215][  T890]  <TASK>
[ 115.883465][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.884035][ T890] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.884518][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.885003][ T890] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 115.885512][ T890] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 115.885986][ T890] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 115.886486][ T890] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 115.887025][ T890] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 115.887669][ T890] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.888165][ T890] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.888677][ T890] ? __kernel_text_address (kernel/extable.c:79) 
[ 115.889180][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.889708][ T890] ? __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) 
[ 115.890203][ T890] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 115.890847][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.891346][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.891864][ T890] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 115.892369][ T890] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 115.892890][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.893390][ T890] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.893907][ T890] ? __create_object (mm/kmemleak.c:771) 
[ 115.894395][ T890] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 115.895399][ T890] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 115.895912][ T890] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 115.896543][ T890] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 115.897058][ T890] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.897580][ T890] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.898075][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.898577][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.899078][ T890] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.899603][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.900115][ T890] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.900621][ T890] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.901131][ T890] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.901645][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.902147][ T890] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.902676][ T890] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.903188][ T890] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.903744][ T890] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.904228][ T890] ? 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) 
[ 115.904690][ T890] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.905177][ T890] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.905670][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.906157][ T890] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.906674][ T890] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.907160][ T890] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.907673][ T890] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.908159][ T890] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.908652][ T890] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.909178][ T890] ___sys_sendmsg (net/socket.c:2670) 
[ 115.909684][ T890] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 115.910175][ T890] ? __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) 
[ 115.910814][ T890] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.911295][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.911829][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.912338][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.912824][ T890] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 115.913295][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.913821][ T890] __sys_sendmsg (net/socket.c:2700) 
[ 115.914264][ T890] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 115.914893][ T890] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.915325][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.915826][ T890] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.916313][ T890] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.916932][  T890] RIP: 0033:0x7f93afce11e7
[ 115.917439][ T890] 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)
[  115.919185][  T890] RSP: 002b:00007fff4033b968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.919946][  T890] RAX: ffffffffffffffda RBX: 00007fff4033c090 RCX: 00007f93afce11e7
[  115.920700][  T890] RDX: 0000000000000000 RSI: 00007fff4033b9d0 RDI: 0000000000000005
[  115.921431][  T890] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  115.922195][  T890] R10: 00007f93afbdeee8 R11: 0000000000000246 R12: 0000000000000004
[  115.922952][  T890] R13: 00000000686e4714 R14: 0000000000499600 R15: 0000000000000000
| [  117.088878][  T902] ------------[ cut here ]------------
| [ 117.089271][ T902] WARNING: CPU: 2 PID: 902 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  117.090446][  T902] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  117.091699][  T902] Tainted: [W]=WARN
[  117.091934][  T902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.092309][ T902] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 117.092648][ T902] 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
[  117.093708][  T902] RSP: 0018:ffffc900012af140 EFLAGS: 00010246
[  117.094099][  T902] RAX: 0000000000000000 RBX: ffff88800783c000 RCX: 0000000000000001
[  117.094553][  T902] RDX: 0000000000000000 RSI: ffffffff8e49b941 RDI: ffffffff8dc555e0
[  117.094994][  T902] RBP: ffffc900012af230 R08: ffff888014d33800 R09: 0000000000000000
[  117.095437][  T902] R10: ffffc900012af5c8 R11: ffffffff8f250668 R12: 1ffff92000255e2c
[  117.095902][  T902] R13: 00000000000005dc R14: ffffc900012af880 R15: ffff88800bb85c60
[  117.096348][  T902] FS:  00007f958d5b8800(0000) GS:ffff8880a5db7000(0000) knlGS:0000000000000000
[  117.096891][  T902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.097285][  T902] CR2: 00000000004e5aa0 CR3: 0000000014f0d003 CR4: 0000000000772ef0
[  117.097743][  T902] PKRU: 55555554
[  117.097970][  T902] Call Trace:
[  117.098199][  T902]  <TASK>
[ 117.098362][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.098680][ T902] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.098984][ T902] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.099291][ T902] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 117.099606][ T902] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 117.099909][ T902] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 117.100214][ T902] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 117.100544][ T902] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 117.100926][ T902] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 117.101228][ T902] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 117.101544][ T902] ? __kernel_text_address (kernel/extable.c:79) 
[ 117.101851][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.102159][ T902] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 117.102466][ T902] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 117.102859][ T902] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.103163][ T902] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.103461][ T902] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 117.103803][ T902] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 117.104108][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.104410][ T902] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.104730][ T902] ? __create_object (mm/kmemleak.c:771) 
[ 117.105035][ T902] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 117.105339][ T902] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 117.105651][ T902] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 117.106024][ T902] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 117.106337][ T902] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.106661][ T902] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.106965][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.107286][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.107602][ T902] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.107902][ T902] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.108202][ T902] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.108522][ T902] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.108829][ T902] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.109133][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.109439][ T902] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.109758][ T902] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.110063][ T902] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.110375][ T902] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.110685][ T902] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 117.110988][ T902] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.111291][ T902] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.111600][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.111912][ T902] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.112216][ T902] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.112547][ T902] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.112867][ T902] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.113173][ T902] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.113472][ T902] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.113874][ T902] ___sys_sendmsg (net/socket.c:2670) 
[ 117.114177][ T902] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 117.114477][ T902] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 117.114857][ T902] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.115163][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.115465][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.115783][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.116082][ T902] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 117.116387][ T902] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.116715][ T902] __sys_sendmsg (net/socket.c:2700) 
[ 117.117016][ T902] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 117.117385][ T902] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.117711][ T902] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.118017][ T902] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.118325][ T902] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.118715][  T902] RIP: 0033:0x7f958d7851e7
[ 117.119029][ T902] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  117.120069][  T902] RSP: 002b:00007ffcc3120ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.120538][  T902] RAX: ffffffffffffffda RBX: 00007ffcc31212d0 RCX: 00007f958d7851e7
[  117.120990][  T902] RDX: 0000000000000000 RSI: 00007ffcc3120c10 RDI: 0000000000000005
[  117.121431][  T902] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  117.121882][  T902] R10: 00007f958d682ee8 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:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if